From 3e326ece9eba8184f5d48aa4fb87760a8f6f0f10 Mon Sep 17 00:00:00 2001 From: Markus Klotzbuecher Date: Mon, 22 May 2006 16:33:54 +0200 Subject: This patch adds USB storage support for the delta board. This is the first board to make use of a generic OHCI driver, that calls hooks for board dependant initialization. --- drivers/usb_ohci.c | 1642 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1642 insertions(+) create mode 100644 drivers/usb_ohci.c (limited to 'drivers/usb_ohci.c') diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c new file mode 100644 index 000000000..4065489f3 --- /dev/null +++ b/drivers/usb_ohci.c @@ -0,0 +1,1642 @@ +/* + * URB OHCI HCD (Host Controller Driver) for USB on the AT91RM9200. + * + * (C) Copyright 2003 + * Gary Jennejohn, DENX Software Engineering + * + * Note: Much of this code has been derived from Linux 2.4 + * (C) Copyright 1999 Roman Weissgaerber + * (C) Copyright 2000-2002 David Brownell + * + * Modified for the MP2USB by (C) Copyright 2005 Eric Benard + * ebenard@eukrea.com - based on s3c24x0's driver + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ +/* + * IMPORTANT NOTES + * 1 - you MUST define LITTLEENDIAN in the configuration file for the + * board or this driver will NOT work! + * 2 - this driver is intended for use with USB Mass Storage Devices + * (BBB) ONLY. There is NO support for Interrupt or Isochronous pipes! + * 3 - when running on a PQFP208 AT91RM9200, define CONFIG_AT91C_PQFP_UHPBUG + * to activate workaround for bug #41 or this driver will NOT work! + */ + +#include +/* #include no PCI on the S3C24X0 */ + +#ifdef CONFIG_USB_OHCI + +#include + +#include +#include +#include "usb_ohci.h" + +/* #define OHCI_USE_NPS /\* force NoPowerSwitching mode *\/ */ +#undef OHCI_VERBOSE_DEBUG /* not always helpful */ + +/* For initializing controller (mask in an HCFS mode too) */ +#define OHCI_CONTROL_INIT \ + (OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE + +#define readl(a) (*((vu_long *)(a))) +#define writel(a, b) (*((vu_long *)(b)) = ((vu_long)a)) + +#define min_t(type,x,y) ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; }) + +#undef DEBUG +#ifdef DEBUG +#define dbg(format, arg...) printf("DEBUG: " format "\n", ## arg) +#else +#define dbg(format, arg...) do {} while(0) +#endif /* DEBUG */ +#define err(format, arg...) printf("ERROR: " format "\n", ## arg) +#undef SHOW_INFO +#ifdef SHOW_INFO +#define info(format, arg...) printf("INFO: " format "\n", ## arg) +#else +#define info(format, arg...) do {} while(0) +#endif + +#define m16_swap(x) swap_16(x) +#define m32_swap(x) swap_32(x) + +/* global ohci_t */ +static ohci_t gohci; +/* this must be aligned to a 256 byte boundary */ +struct ohci_hcca ghcca[1]; +/* a pointer to the aligned storage */ +struct ohci_hcca *phcca; +/* this allocates EDs for all possible endpoints */ +struct ohci_device ohci_dev; +/* urb_priv */ +urb_priv_t urb_priv; +/* RHSC flag */ +int got_rhsc; +/* device which was disconnected */ +struct usb_device *devgone; + +/*-------------------------------------------------------------------------*/ + +/* AMD-756 (D2 rev) reports corrupt register contents in some cases. + * The erratum (#4) description is incorrect. AMD's workaround waits + * till some bits (mostly reserved) are clear; ok for all revs. + */ +#define OHCI_QUIRK_AMD756 0xabcd +#define read_roothub(hc, register, mask) ({ \ + u32 temp = readl (&hc->regs->roothub.register); \ + if (hc->flags & OHCI_QUIRK_AMD756) \ + while (temp & mask) \ + temp = readl (&hc->regs->roothub.register); \ + temp; }) + +static u32 roothub_a (struct ohci *hc) + { return read_roothub (hc, a, 0xfc0fe000); } +static inline u32 roothub_b (struct ohci *hc) + { return readl (&hc->regs->roothub.b); } +static inline u32 roothub_status (struct ohci *hc) + { return readl (&hc->regs->roothub.status); } +static u32 roothub_portstatus (struct ohci *hc, int i) + { return read_roothub (hc, portstatus [i], 0xffe0fce0); } + + +/* forward declaration */ +static int hc_interrupt (void); +static void +td_submit_job (struct usb_device * dev, unsigned long pipe, void * buffer, + int transfer_len, struct devrequest * setup, urb_priv_t * urb, int interval); + +/*-------------------------------------------------------------------------* + * URB support functions + *-------------------------------------------------------------------------*/ + +/* free HCD-private data associated with this URB */ + +static void urb_free_priv (urb_priv_t * urb) +{ + int i; + int last; + struct td * td; + + last = urb->length - 1; + if (last >= 0) { + for (i = 0; i <= last; i++) { + td = urb->td[i]; + if (td) { + td->usb_dev = NULL; + urb->td[i] = NULL; + } + } + } +} + +/*-------------------------------------------------------------------------*/ + +#ifdef DEBUG +static int sohci_get_current_frame_number (struct usb_device * dev); + +/* debug| print the main components of an URB + * small: 0) header + data packets 1) just header */ + +static void pkt_print (struct usb_device * dev, unsigned long pipe, void * buffer, + int transfer_len, struct devrequest * setup, char * str, int small) +{ + urb_priv_t * purb = &urb_priv; + + dbg("%s URB:[%4x] dev:%2d,ep:%2d-%c,type:%s,len:%d/%d stat:%#lx", + str, + sohci_get_current_frame_number (dev), + usb_pipedevice (pipe), + usb_pipeendpoint (pipe), + usb_pipeout (pipe)? 'O': 'I', + usb_pipetype (pipe) < 2? (usb_pipeint (pipe)? "INTR": "ISOC"): + (usb_pipecontrol (pipe)? "CTRL": "BULK"), + purb->actual_length, + transfer_len, dev->status); +#ifdef OHCI_VERBOSE_DEBUG + if (!small) { + int i, len; + + if (usb_pipecontrol (pipe)) { + printf (__FILE__ ": cmd(8):"); + for (i = 0; i < 8 ; i++) + printf (" %02x", ((__u8 *) setup) [i]); + printf ("\n"); + } + if (transfer_len > 0 && buffer) { + printf (__FILE__ ": data(%d/%d):", + purb->actual_length, + transfer_len); + len = usb_pipeout (pipe)? + transfer_len: purb->actual_length; + for (i = 0; i < 16 && i < len; i++) + printf (" %02x", ((__u8 *) buffer) [i]); + printf ("%s\n", i < len? "...": ""); + } + } +#endif +} + +/* just for debugging; prints non-empty branches of the int ed tree inclusive iso eds*/ +void ep_print_int_eds (ohci_t *ohci, char * str) { + int i, j; + __u32 * ed_p; + for (i= 0; i < 32; i++) { + j = 5; + ed_p = &(ohci->hcca->int_table [i]); + if (*ed_p == 0) + continue; + printf (__FILE__ ": %s branch int %2d(%2x):", str, i, i); + while (*ed_p != 0 && j--) { + ed_t *ed = (ed_t *)m32_swap(ed_p); + printf (" ed: %4x;", ed->hwINFO); + ed_p = &ed->hwNextED; + } + printf ("\n"); + } +} + +static void ohci_dump_intr_mask (char *label, __u32 mask) +{ + dbg ("%s: 0x%08x%s%s%s%s%s%s%s%s%s", + label, + mask, + (mask & OHCI_INTR_MIE) ? " MIE" : "", + (mask & OHCI_INTR_OC) ? " OC" : "", + (mask & OHCI_INTR_RHSC) ? " RHSC" : "", + (mask & OHCI_INTR_FNO) ? " FNO" : "", + (mask & OHCI_INTR_UE) ? " UE" : "", + (mask & OHCI_INTR_RD) ? " RD" : "", + (mask & OHCI_INTR_SF) ? " SF" : "", + (mask & OHCI_INTR_WDH) ? " WDH" : "", + (mask & OHCI_INTR_SO) ? " SO" : "" + ); +} + +static void maybe_print_eds (char *label, __u32 value) +{ + ed_t *edp = (ed_t *)value; + + if (value) { + dbg ("%s %08x", label, value); + dbg ("%08x", edp->hwINFO); + dbg ("%08x", edp->hwTailP); + dbg ("%08x", edp->hwHeadP); + dbg ("%08x", edp->hwNextED); + } +} + +static char * hcfs2string (int state) +{ + switch (state) { + case OHCI_USB_RESET: return "reset"; + case OHCI_USB_RESUME: return "resume"; + case OHCI_USB_OPER: return "operational"; + case OHCI_USB_SUSPEND: return "suspend"; + } + return "?"; +} + +/* dump control and status registers */ +static void ohci_dump_status (ohci_t *controller) +{ + struct ohci_regs *regs = controller->regs; + __u32 temp; + + temp = readl (®s->revision) & 0xff; + if (temp != 0x10) + dbg ("spec %d.%d", (temp >> 4), (temp & 0x0f)); + + temp = readl (®s->control); + dbg ("control: 0x%08x%s%s%s HCFS=%s%s%s%s%s CBSR=%d", temp, + (temp & OHCI_CTRL_RWE) ? " RWE" : "", + (temp & OHCI_CTRL_RWC) ? " RWC" : "", + (temp & OHCI_CTRL_IR) ? " IR" : "", + hcfs2string (temp & OHCI_CTRL_HCFS), + (temp & OHCI_CTRL_BLE) ? " BLE" : "", + (temp & OHCI_CTRL_CLE) ? " CLE" : "", + (temp & OHCI_CTRL_IE) ? " IE" : "", + (temp & OHCI_CTRL_PLE) ? " PLE" : "", + temp & OHCI_CTRL_CBSR + ); + + temp = readl (®s->cmdstatus); + dbg ("cmdstatus: 0x%08x SOC=%d%s%s%s%s", temp, + (temp & OHCI_SOC) >> 16, + (temp & OHCI_OCR) ? " OCR" : "", + (temp & OHCI_BLF) ? " BLF" : "", + (temp & OHCI_CLF) ? " CLF" : "", + (temp & OHCI_HCR) ? " HCR" : "" + ); + + ohci_dump_intr_mask ("intrstatus", readl (®s->intrstatus)); + ohci_dump_intr_mask ("intrenable", readl (®s->intrenable)); + + maybe_print_eds ("ed_periodcurrent", readl (®s->ed_periodcurrent)); + + maybe_print_eds ("ed_controlhead", readl (®s->ed_controlhead)); + maybe_print_eds ("ed_controlcurrent", readl (®s->ed_controlcurrent)); + + maybe_print_eds ("ed_bulkhead", readl (®s->ed_bulkhead)); + maybe_print_eds ("ed_bulkcurrent", readl (®s->ed_bulkcurrent)); + + maybe_print_eds ("donehead", readl (®s->donehead)); +} + +static void ohci_dump_roothub (ohci_t *controller, int verbose) +{ + __u32 temp, ndp, i; + + temp = roothub_a (controller); + ndp = (temp & RH_A_NDP); +#ifdef CONFIG_AT91C_PQFP_UHPBUG + ndp = (ndp == 2) ? 1:0; +#endif +#if 0 /* def CONFIG_CPU_MONAHANS */ + data_buf [2] = (data_buf [2] == 2) ? 3:0; +#endif + if (verbose) { + dbg ("roothub.a: %08x POTPGT=%d%s%s%s%s%s NDP=%d", temp, + ((temp & RH_A_POTPGT) >> 24) & 0xff, + (temp & RH_A_NOCP) ? " NOCP" : "", + (temp & RH_A_OCPM) ? " OCPM" : "", + (temp & RH_A_DT) ? " DT" : "", + (temp & RH_A_NPS) ? " NPS" : "", + (temp & RH_A_PSM) ? " PSM" : "", + ndp + ); + temp = roothub_b (controller); + dbg ("roothub.b: %08x PPCM=%04x DR=%04x", + temp, + (temp & RH_B_PPCM) >> 16, + (temp & RH_B_DR) + ); + temp = roothub_status (controller); + dbg ("roothub.status: %08x%s%s%s%s%s%s", + temp, + (temp & RH_HS_CRWE) ? " CRWE" : "", + (temp & RH_HS_OCIC) ? " OCIC" : "", + (temp & RH_HS_LPSC) ? " LPSC" : "", + (temp & RH_HS_DRWE) ? " DRWE" : "", + (temp & RH_HS_OCI) ? " OCI" : "", + (temp & RH_HS_LPS) ? " LPS" : "" + ); + } + + for (i = 0; i < ndp; i++) { + temp = roothub_portstatus (controller, i); + dbg ("roothub.portstatus [%d] = 0x%08x%s%s%s%s%s%s%s%s%s%s%s%s", + i, + temp, + (temp & RH_PS_PRSC) ? " PRSC" : "", + (temp & RH_PS_OCIC) ? " OCIC" : "", + (temp & RH_PS_PSSC) ? " PSSC" : "", + (temp & RH_PS_PESC) ? " PESC" : "", + (temp & RH_PS_CSC) ? " CSC" : "", + + (temp & RH_PS_LSDA) ? " LSDA" : "", + (temp & RH_PS_PPS) ? " PPS" : "", + (temp & RH_PS_PRS) ? " PRS" : "", + (temp & RH_PS_POCI) ? " POCI" : "", + (temp & RH_PS_PSS) ? " PSS" : "", + + (temp & RH_PS_PES) ? " PES" : "", + (temp & RH_PS_CCS) ? " CCS" : "" + ); + } +} + +static void ohci_dump (ohci_t *controller, int verbose) +{ + dbg ("OHCI controller usb-%s state", controller->slot_name); + + /* dumps some of the state we know about */ + ohci_dump_status (controller); + if (verbose) + ep_print_int_eds (controller, "hcca"); + dbg ("hcca frame #%04x", controller->hcca->frame_no); + ohci_dump_roothub (controller, 1); +} + + +#endif /* DEBUG */ + +/*-------------------------------------------------------------------------* + * Interface functions (URB) + *-------------------------------------------------------------------------*/ + +/* get a transfer request */ + +int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, struct devrequest *setup, int interval) +{ + ohci_t *ohci; + ed_t * ed; + urb_priv_t *purb_priv; + int i, size = 0; + + ohci = &gohci; + + /* when controller's hung, permit only roothub cleanup attempts + * such as powering down ports */ + if (ohci->disabled) { + err("sohci_submit_job: EPIPE"); + return -1; + } + + /* every endpoint has a ed, locate and fill it */ + if (!(ed = ep_add_ed (dev, pipe))) { + err("sohci_submit_job: ENOMEM"); + return -1; + } + + /* for the private part of the URB we need the number of TDs (size) */ + switch (usb_pipetype (pipe)) { + case PIPE_BULK: /* one TD for every 4096 Byte */ + size = (transfer_len - 1) / 4096 + 1; + break; + case PIPE_CONTROL: /* 1 TD for setup, 1 for ACK and 1 for every 4096 B */ + size = (transfer_len == 0)? 2: + (transfer_len - 1) / 4096 + 3; + break; + } + + if (size >= (N_URB_TD - 1)) { + err("need %d TDs, only have %d", size, N_URB_TD); + return -1; + } + purb_priv = &urb_priv; + purb_priv->pipe = pipe; + + /* fill the private part of the URB */ + purb_priv->length = size; + purb_priv->ed = ed; + purb_priv->actual_length = 0; + + /* allocate the TDs */ + /* note that td[0] was allocated in ep_add_ed */ + for (i = 0; i < size; i++) { + purb_priv->td[i] = td_alloc (dev); + if (!purb_priv->td[i]) { + purb_priv->length = i; + urb_free_priv (purb_priv); + err("sohci_submit_job: ENOMEM"); + return -1; + } + } + + if (ed->state == ED_NEW || (ed->state & ED_DEL)) { + urb_free_priv (purb_priv); + err("sohci_submit_job: EINVAL"); + return -1; + } + + /* link the ed into a chain if is not already */ + if (ed->state != ED_OPER) + ep_link (ohci, ed); + + /* fill the TDs and link it to the ed */ + td_submit_job(dev, pipe, buffer, transfer_len, setup, purb_priv, interval); + + return 0; +} + +/*-------------------------------------------------------------------------*/ + +#ifdef DEBUG +/* tell us the current USB frame number */ + +static int sohci_get_current_frame_number (struct usb_device *usb_dev) +{ + ohci_t *ohci = &gohci; + + return m16_swap (ohci->hcca->frame_no); +} +#endif + +/*-------------------------------------------------------------------------* + * ED handling functions + *-------------------------------------------------------------------------*/ + +/* link an ed into one of the HC chains */ + +static int ep_link (ohci_t *ohci, ed_t *edi) +{ + volatile ed_t *ed = edi; + + ed->state = ED_OPER; + + switch (ed->type) { + case PIPE_CONTROL: + ed->hwNextED = 0; + if (ohci->ed_controltail == NULL) { + writel (ed, &ohci->regs->ed_controlhead); + } else { + ohci->ed_controltail->hwNextED = m32_swap (ed); + } + ed->ed_prev = ohci->ed_controltail; + if (!ohci->ed_controltail && !ohci->ed_rm_list[0] && + !ohci->ed_rm_list[1] && !ohci->sleeping) { + ohci->hc_control |= OHCI_CTRL_CLE; + writel (ohci->hc_control, &ohci->regs->control); + } + ohci->ed_controltail = edi; + break; + + case PIPE_BULK: + ed->hwNextED = 0; + if (ohci->ed_bulktail == NULL) { + writel (ed, &ohci->regs->ed_bulkhead); + } else { + ohci->ed_bulktail->hwNextED = m32_swap (ed); + } + ed->ed_prev = ohci->ed_bulktail; + if (!ohci->ed_bulktail && !ohci->ed_rm_list[0] && + !ohci->ed_rm_list[1] && !ohci->sleeping) { + ohci->hc_control |= OHCI_CTRL_BLE; + writel (ohci->hc_control, &ohci->regs->control); + } + ohci->ed_bulktail = edi; + break; + } + return 0; +} + +/*-------------------------------------------------------------------------*/ + +/* unlink an ed from one of the HC chains. + * just the link to the ed is unlinked. + * the link from the ed still points to another operational ed or 0 + * so the HC can eventually finish the processing of the unlinked ed */ + +static int ep_unlink (ohci_t *ohci, ed_t *ed) +{ + ed->hwINFO |= m32_swap (OHCI_ED_SKIP); + + switch (ed->type) { + case PIPE_CONTROL: + if (ed->ed_prev == NULL) { + if (!ed->hwNextED) { + ohci->hc_control &= ~OHCI_CTRL_CLE; + writel (ohci->hc_control, &ohci->regs->control); + } + writel (m32_swap (*((__u32 *)&ed->hwNextED)), &ohci->regs->ed_controlhead); + } else { + ed->ed_prev->hwNextED = ed->hwNextED; + } + if (ohci->ed_controltail == ed) { + ohci->ed_controltail = ed->ed_prev; + } else { + ((ed_t *)m32_swap (*((__u32 *)&ed->hwNextED)))->ed_prev = ed->ed_prev; + } + break; + + case PIPE_BULK: + if (ed->ed_prev == NULL) { + if (!ed->hwNextED) { + ohci->hc_control &= ~OHCI_CTRL_BLE; + writel (ohci->hc_control, &ohci->regs->control); + } + writel (m32_swap (*((__u32 *)&ed->hwNextED)), &ohci->regs->ed_bulkhead); + } else { + ed->ed_prev->hwNextED = ed->hwNextED; + } + if (ohci->ed_bulktail == ed) { + ohci->ed_bulktail = ed->ed_prev; + } else { + ((ed_t *)m32_swap (*((__u32 *)&ed->hwNextED)))->ed_prev = ed->ed_prev; + } + break; + } + ed->state = ED_UNLINK; + return 0; +} + + +/*-------------------------------------------------------------------------*/ + +/* add/reinit an endpoint; this should be done once at the usb_set_configuration command, + * but the USB stack is a little bit stateless so we do it at every transaction + * if the state of the ed is ED_NEW then a dummy td is added and the state is changed to ED_UNLINK + * in all other cases the state is left unchanged + * the ed info fields are setted anyway even though most of them should not change */ + +static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe) +{ + td_t *td; + ed_t *ed_ret; + volatile ed_t *ed; + + ed = ed_ret = &ohci_dev.ed[(usb_pipeendpoint (pipe) << 1) | + (usb_pipecontrol (pipe)? 0: usb_pipeout (pipe))]; + + if ((ed->state & ED_DEL) || (ed->state & ED_URB_DEL)) { + err("ep_add_ed: pending delete"); + /* pending delete request */ + return NULL; + } + + if (ed->state == ED_NEW) { + ed->hwINFO = m32_swap (OHCI_ED_SKIP); /* skip ed */ + /* dummy td; end of td list for ed */ + td = td_alloc (usb_dev); + ed->hwTailP = m32_swap (td); + ed->hwHeadP = ed->hwTailP; + ed->state = ED_UNLINK; + ed->type = usb_pipetype (pipe); + ohci_dev.ed_cnt++; + } + + ed->hwINFO = m32_swap (usb_pipedevice (pipe) + | usb_pipeendpoint (pipe) << 7 + | (usb_pipeisoc (pipe)? 0x8000: 0) + | (usb_pipecontrol (pipe)? 0: (usb_pipeout (pipe)? 0x800: 0x1000)) + | usb_pipeslow (pipe) << 13 + | usb_maxpacket (usb_dev, pipe) << 16); + + return ed_ret; +} + +/*-------------------------------------------------------------------------* + * TD handling functions + *-------------------------------------------------------------------------*/ + +/* enqueue next TD for this URB (OHCI spec 5.2.8.2) */ + +static void td_fill (ohci_t *ohci, unsigned int info, + void *data, int len, + struct usb_device *dev, int index, urb_priv_t *urb_priv) +{ + volatile td_t *td, *td_pt; +#ifdef OHCI_FILL_TRACE + int i; +#endif + + if (index > urb_priv->length) { + err("index > length"); + return; + } + /* use this td as the next dummy */ + td_pt = urb_priv->td [index]; + td_pt->hwNextTD = 0; + + /* fill the old dummy TD */ + td = urb_priv->td [index] = (td_t *)(m32_swap (urb_priv->ed->hwTailP) & ~0xf); + + td->ed = urb_priv->ed; + td->next_dl_td = NULL; + td->index = index; + td->data = (__u32)data; +#ifdef OHCI_FILL_TRACE + if ((usb_pipetype(urb_priv->pipe) == PIPE_BULK) && usb_pipeout(urb_priv->pipe)) { + for (i = 0; i < len; i++) + printf("td->data[%d] %#2x ",i, ((unsigned char *)td->data)[i]); + printf("\n"); + } +#endif + if (!len) + data = 0; + + td->hwINFO = m32_swap (info); + td->hwCBP = m32_swap (data); + if (data) + td->hwBE = m32_swap (data + len - 1); + else + td->hwBE = 0; + td->hwNextTD = m32_swap (td_pt); + td->hwPSW [0] = m16_swap (((__u32)data & 0x0FFF) | 0xE000); + + /* append to queue */ + td->ed->hwTailP = td->hwNextTD; +} + +/*-------------------------------------------------------------------------*/ + +/* prepare all TDs of a transfer */ + +static void td_submit_job (struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, struct devrequest *setup, urb_priv_t *urb, int interval) +{ + ohci_t *ohci = &gohci; + int data_len = transfer_len; + void *data; + int cnt = 0; + __u32 info = 0; + unsigned int toggle = 0; + + /* OHCI handles the DATA-toggles itself, we just use the USB-toggle bits for reseting */ + if(usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe))) { + toggle = TD_T_TOGGLE; + } else { + toggle = TD_T_DATA0; + usb_settoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 1); + } + urb->td_cnt = 0; + if (data_len) + data = buffer; + else + data = 0; + + switch (usb_pipetype (pipe)) { + case PIPE_BULK: + info = usb_pipeout (pipe)? + TD_CC | TD_DP_OUT : TD_CC | TD_DP_IN ; + while(data_len > 4096) { + td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, 4096, dev, cnt, urb); + data += 4096; data_len -= 4096; cnt++; + } + info = usb_pipeout (pipe)? + TD_CC | TD_DP_OUT : TD_CC | TD_R | TD_DP_IN ; + td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, data_len, dev, cnt, urb); + cnt++; + + if (!ohci->sleeping) + writel (OHCI_BLF, &ohci->regs->cmdstatus); /* start bulk list */ + break; + + case PIPE_CONTROL: + info = TD_CC | TD_DP_SETUP | TD_T_DATA0; + td_fill (ohci, info, setup, 8, dev, cnt++, urb); + if (data_len > 0) { + info = usb_pipeout (pipe)? + TD_CC | TD_R | TD_DP_OUT | TD_T_DATA1 : TD_CC | TD_R | TD_DP_IN | TD_T_DATA1; + /* NOTE: mishandles transfers >8K, some >4K */ + td_fill (ohci, info, data, data_len, dev, cnt++, urb); + } + info = usb_pipeout (pipe)? + TD_CC | TD_DP_IN | TD_T_DATA1: TD_CC | TD_DP_OUT | TD_T_DATA1; + td_fill (ohci, info, data, 0, dev, cnt++, urb); + if (!ohci->sleeping) + writel (OHCI_CLF, &ohci->regs->cmdstatus); /* start Control list */ + break; + } + if (urb->length != cnt) + dbg("TD LENGTH %d != CNT %d", urb->length, cnt); +} + +/*-------------------------------------------------------------------------* + * Done List handling functions + *-------------------------------------------------------------------------*/ + + +/* calculate the transfer length and update the urb */ + +static void dl_transfer_length(td_t * td) +{ + __u32 tdINFO, tdBE, tdCBP; + urb_priv_t *lurb_priv = &urb_priv; + + tdINFO = m32_swap (td->hwINFO); + tdBE = m32_swap (td->hwBE); + tdCBP = m32_swap (td->hwCBP); + + + if (!(usb_pipetype (lurb_priv->pipe) == PIPE_CONTROL && + ((td->index == 0) || (td->index == lurb_priv->length - 1)))) { + if (tdBE != 0) { + if (td->hwCBP == 0) + lurb_priv->actual_length += tdBE - td->data + 1; + else + lurb_priv->actual_length += tdCBP - td->data; + } + } +} + +/*-------------------------------------------------------------------------*/ + +/* replies to the request have to be on a FIFO basis so + * we reverse the reversed done-list */ + +static td_t * dl_reverse_done_list (ohci_t *ohci) +{ + __u32 td_list_hc; + td_t *td_rev = NULL; + td_t *td_list = NULL; + urb_priv_t *lurb_priv = NULL; + + td_list_hc = m32_swap (ohci->hcca->done_head) & 0xfffffff0; + ohci->hcca->done_head = 0; + + while (td_list_hc) { + td_list = (td_t *)td_list_hc; + + if (TD_CC_GET (m32_swap (td_list->hwINFO))) { + lurb_priv = &urb_priv; + dbg(" USB-error/status: %x : %p", + TD_CC_GET (m32_swap (td_list->hwINFO)), td_list); + if (td_list->ed->hwHeadP & m32_swap (0x1)) { + if (lurb_priv && ((td_list->index + 1) < lurb_priv->length)) { + td_list->ed->hwHeadP = + (lurb_priv->td[lurb_priv->length - 1]->hwNextTD & m32_swap (0xfffffff0)) | + (td_list->ed->hwHeadP & m32_swap (0x2)); + lurb_priv->td_cnt += lurb_priv->length - td_list->index - 1; + } else + td_list->ed->hwHeadP &= m32_swap (0xfffffff2); + } + } + + td_list->next_dl_td = td_rev; + td_rev = td_list; + td_list_hc = m32_swap (td_list->hwNextTD) & 0xfffffff0; + } + return td_list; +} + +/*-------------------------------------------------------------------------*/ + +/* td done list */ +static int dl_done_list (ohci_t *ohci, td_t *td_list) +{ + td_t *td_list_next = NULL; + ed_t *ed; + int cc = 0; + int stat = 0; + /* urb_t *urb; */ + urb_priv_t *lurb_priv; + __u32 tdINFO, edHeadP, edTailP; + + while (td_list) { + td_list_next = td_list->next_dl_td; + + lurb_priv = &urb_priv; + tdINFO = m32_swap (td_list->hwINFO); + + ed = td_list->ed; + + dl_transfer_length(td_list); + + /* error code of transfer */ + cc = TD_CC_GET (tdINFO); + if (cc != 0) { + dbg("ConditionCode %#x", cc); + stat = cc_to_error[cc]; + } + + if (ed->state != ED_NEW) { + edHeadP = m32_swap (ed->hwHeadP) & 0xfffffff0; + edTailP = m32_swap (ed->hwTailP); + + /* unlink eds if they are not busy */ + if ((edHeadP == edTailP) && (ed->state == ED_OPER)) + ep_unlink (ohci, ed); + } + + td_list = td_list_next; + } + return stat; +} + +/*-------------------------------------------------------------------------* + * Virtual Root Hub + *-------------------------------------------------------------------------*/ + +/* Device descriptor */ +static __u8 root_hub_dev_des[] = +{ + 0x12, /* __u8 bLength; */ + 0x01, /* __u8 bDescriptorType; Device */ + 0x10, /* __u16 bcdUSB; v1.1 */ + 0x01, + 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */ + 0x00, /* __u8 bDeviceSubClass; */ + 0x00, /* __u8 bDeviceProtocol; */ + 0x08, /* __u8 bMaxPacketSize0; 8 Bytes */ + 0x00, /* __u16 idVendor; */ + 0x00, + 0x00, /* __u16 idProduct; */ + 0x00, + 0x00, /* __u16 bcdDevice; */ + 0x00, + 0x00, /* __u8 iManufacturer; */ + 0x01, /* __u8 iProduct; */ + 0x00, /* __u8 iSerialNumber; */ + 0x01 /* __u8 bNumConfigurations; */ +}; + + +/* Configuration descriptor */ +static __u8 root_hub_config_des[] = +{ + 0x09, /* __u8 bLength; */ + 0x02, /* __u8 bDescriptorType; Configuration */ + 0x19, /* __u16 wTotalLength; */ + 0x00, + 0x01, /* __u8 bNumInterfaces; */ + 0x01, /* __u8 bConfigurationValue; */ + 0x00, /* __u8 iConfiguration; */ + 0x40, /* __u8 bmAttributes; + Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 4..0: resvd */ + 0x00, /* __u8 MaxPower; */ + + /* interface */ + 0x09, /* __u8 if_bLength; */ + 0x04, /* __u8 if_bDescriptorType; Interface */ + 0x00, /* __u8 if_bInterfaceNumber; */ + 0x00, /* __u8 if_bAlternateSetting; */ + 0x01, /* __u8 if_bNumEndpoints; */ + 0x09, /* __u8 if_bInterfaceClass; HUB_CLASSCODE */ + 0x00, /* __u8 if_bInterfaceSubClass; */ + 0x00, /* __u8 if_bInterfaceProtocol; */ + 0x00, /* __u8 if_iInterface; */ + + /* endpoint */ + 0x07, /* __u8 ep_bLength; */ + 0x05, /* __u8 ep_bDescriptorType; Endpoint */ + 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ + 0x03, /* __u8 ep_bmAttributes; Interrupt */ + 0x02, /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */ + 0x00, + 0xff /* __u8 ep_bInterval; 255 ms */ +}; + +static unsigned char root_hub_str_index0[] = +{ + 0x04, /* __u8 bLength; */ + 0x03, /* __u8 bDescriptorType; String-descriptor */ + 0x09, /* __u8 lang ID */ + 0x04, /* __u8 lang ID */ +}; + +static unsigned char root_hub_str_index1[] = +{ + 28, /* __u8 bLength; */ + 0x03, /* __u8 bDescriptorType; String-descriptor */ + 'O', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'H', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'C', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'I', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + ' ', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'R', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'o', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'o', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 't', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + ' ', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'H', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'u', /* __u8 Unicode */ + 0, /* __u8 Unicode */ + 'b', /* __u8 Unicode */ + 0, /* __u8 Unicode */ +}; + +/* Hub class-specific descriptor is constructed dynamically */ + + +/*-------------------------------------------------------------------------*/ + +#define OK(x) len = (x); break +#ifdef DEBUG +#define WR_RH_STAT(x) {info("WR:status %#8x", (x));writel((x), &gohci.regs->roothub.status);} +#define WR_RH_PORTSTAT(x) {info("WR:portstatus[%d] %#8x", wIndex-1, (x));writel((x), &gohci.regs->roothub.portstatus[wIndex-1]);} +#else +#define WR_RH_STAT(x) writel((x), &gohci.regs->roothub.status) +#define WR_RH_PORTSTAT(x) writel((x), &gohci.regs->roothub.portstatus[wIndex-1]) +#endif +#define RD_RH_STAT roothub_status(&gohci) +#define RD_RH_PORTSTAT roothub_portstatus(&gohci,wIndex-1) + +/* request to virtual root hub */ + +int rh_check_port_status(ohci_t *controller) +{ + __u32 temp, ndp, i; + int res; + + res = -1; + temp = roothub_a (controller); + ndp = (temp & RH_A_NDP); +#ifdef CONFIG_AT91C_PQFP_UHPBUG + ndp = (ndp == 2) ? 1:0; +#endif + for (i = 0; i < ndp; i++) { + temp = roothub_portstatus (controller, i); + /* check for a device disconnect */ + if (((temp & (RH_PS_PESC | RH_PS_CSC)) == + (RH_PS_PESC | RH_PS_CSC)) && + ((temp & RH_PS_CCS) == 0)) { + res = i; + break; + } + } + return res; +} + +static int ohci_submit_rh_msg(struct usb_device *dev, unsigned long pipe, + void *buffer, int transfer_len, struct devrequest *cmd) +{ + void * data = buffer; + int leni = transfer_len; + int len = 0; + int stat = 0; + __u32 datab[4]; + __u8 *data_buf = (__u8 *)datab; + __u16 bmRType_bReq; + __u16 wValue; + __u16 wIndex; + __u16 wLength; + +#ifdef DEBUG +urb_priv.actual_length = 0; +pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); +#else + wait_ms(1); +#endif + if ((pipe & PIPE_INTERRUPT) == PIPE_INTERRUPT) { + info("Root-Hub submit IRQ: NOT implemented"); + return 0; + } + + bmRType_bReq = cmd->requesttype | (cmd->request << 8); + wValue = m16_swap (cmd->value); + wIndex = m16_swap (cmd->index); + wLength = m16_swap (cmd->length); + + info("Root-Hub: adr: %2x cmd(%1x): %08x %04x %04x %04x", + dev->devnum, 8, bmRType_bReq, wValue, wIndex, wLength); + + switch (bmRType_bReq) { + /* Request Destination: + without flags: Device, + RH_INTERFACE: interface, + RH_ENDPOINT: endpoint, + RH_CLASS means HUB here, + RH_OTHER | RH_CLASS almost ever means HUB_PORT here + */ + + case RH_GET_STATUS: + *(__u16 *) data_buf = m16_swap (1); OK (2); + case RH_GET_STATUS | RH_INTERFACE: + *(__u16 *) data_buf = m16_swap (0); OK (2); + case RH_GET_STATUS | RH_ENDPOINT: + *(__u16 *) data_buf = m16_swap (0); OK (2); + case RH_GET_STATUS | RH_CLASS: + *(__u32 *) data_buf = m32_swap ( + RD_RH_STAT & ~(RH_HS_CRWE | RH_HS_DRWE)); + OK (4); + case RH_GET_STATUS | RH_OTHER | RH_CLASS: + *(__u32 *) data_buf = m32_swap (RD_RH_PORTSTAT); OK (4); + + case RH_CLEAR_FEATURE | RH_ENDPOINT: + switch (wValue) { + case (RH_ENDPOINT_STALL): OK (0); + } + break; + + case RH_CLEAR_FEATURE | RH_CLASS: + switch (wValue) { + case RH_C_HUB_LOCAL_POWER: + OK(0); + case (RH_C_HUB_OVER_CURRENT): + WR_RH_STAT(RH_HS_OCIC); OK (0); + } + break; + + case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS: + switch (wValue) { + case (RH_PORT_ENABLE): + WR_RH_PORTSTAT (RH_PS_CCS ); OK (0); + case (RH_PORT_SUSPEND): + WR_RH_PORTSTAT (RH_PS_POCI); OK (0); + case (RH_PORT_POWER): + WR_RH_PORTSTAT (RH_PS_LSDA); OK (0); + case (RH_C_PORT_CONNECTION): + WR_RH_PORTSTAT (RH_PS_CSC ); OK (0); + case (RH_C_PORT_ENABLE): + WR_RH_PORTSTAT (RH_PS_PESC); OK (0); + case (RH_C_PORT_SUSPEND): + WR_RH_PORTSTAT (RH_PS_PSSC); OK (0); + case (RH_C_PORT_OVER_CURRENT): + WR_RH_PORTSTAT (RH_PS_OCIC); OK (0); + case (RH_C_PORT_RESET): + WR_RH_PORTSTAT (RH_PS_PRSC); OK (0); + } + break; + + case RH_SET_FEATURE | RH_OTHER | RH_CLASS: + switch (wValue) { + case (RH_PORT_SUSPEND): + WR_RH_PORTSTAT (RH_PS_PSS ); OK (0); + case (RH_PORT_RESET): /* BUG IN HUP CODE *********/ + if (RD_RH_PORTSTAT & RH_PS_CCS) + WR_RH_PORTSTAT (RH_PS_PRS); + OK (0); + case (RH_PORT_POWER): + WR_RH_PORTSTAT (RH_PS_PPS ); OK (0); + case (RH_PORT_ENABLE): /* BUG IN HUP CODE *********/ + if (RD_RH_PORTSTAT & RH_PS_CCS) + WR_RH_PORTSTAT (RH_PS_PES ); + OK (0); + } + break; + + case RH_SET_ADDRESS: gohci.rh.devnum = wValue; OK(0); + + case RH_GET_DESCRIPTOR: + switch ((wValue & 0xff00) >> 8) { + case (0x01): /* device descriptor */ + len = min_t(unsigned int, + leni, + min_t(unsigned int, + sizeof (root_hub_dev_des), + wLength)); + data_buf = root_hub_dev_des; OK(len); + case (0x02): /* configuration descriptor */ + len = min_t(unsigned int, + leni, + min_t(unsigned int, + sizeof (root_hub_config_des), + wLength)); + data_buf = root_hub_config_des; OK(len); + case (0x03): /* string descriptors */ + if(wValue==0x0300) { + len = min_t(unsigned int, + leni, + min_t(unsigned int, + sizeof (root_hub_str_index0), + wLength)); + data_buf = root_hub_str_index0; + OK(len); + } + if(wValue==0x0301) { + len = min_t(unsigned int, + leni, + min_t(unsigned int, + sizeof (root_hub_str_index1), + wLength)); + data_buf = root_hub_str_index1; + OK(len); + } + default: + stat = USB_ST_STALLED; + } + break; + + case RH_GET_DESCRIPTOR | RH_CLASS: + { + __u32 temp = roothub_a (&gohci); + + data_buf [0] = 9; /* min length; */ + data_buf [1] = 0x29; + data_buf [2] = temp & RH_A_NDP; +#ifdef CONFIG_AT91C_PQFP_UHPBUG + data_buf [2] = (data_buf [2] == 2) ? 1:0; +#endif +#if 0 /* def CONFIG_CPU_MONAHANS */ + data_buf [2] = (data_buf [2] == 2) ? 3:0; +#endif + + data_buf [3] = 0; + if (temp & RH_A_PSM) /* per-port power switching? */ + data_buf [3] |= 0x1; + if (temp & RH_A_NOCP) /* no overcurrent reporting? */ + data_buf [3] |= 0x10; +#if 1 + else if (temp & RH_A_OCPM) /* per-port overcurrent reporting? */ + data_buf [3] |= 0x8; +#endif + + /* corresponds to data_buf[4-7] */ + datab [1] = 0; + data_buf [5] = (temp & RH_A_POTPGT) >> 24; + temp = roothub_b (&gohci); + data_buf [7] = temp & RH_B_DR; + if (data_buf [2] < 7) { + data_buf [8] = 0xff; + } else { + data_buf [0] += 2; + data_buf [8] = (temp & RH_B_DR) >> 8; + data_buf [10] = data_buf [9] = 0xff; + } + + len = min_t(unsigned int, leni, + min_t(unsigned int, data_buf [0], wLength)); + OK (len); + } + + case RH_GET_CONFIGURATION: *(__u8 *) data_buf = 0x01; OK (1); + + case RH_SET_CONFIGURATION: WR_RH_STAT (0x10000); OK (0); + + default: + dbg ("unsupported root hub command"); + stat = USB_ST_STALLED; + } + +#ifdef DEBUG + ohci_dump_roothub (&gohci, 1); +#else + wait_ms(1); +#endif + + len = min_t(int, len, leni); + if (data != data_buf) + memcpy (data, data_buf, len); + dev->act_len = len; + dev->status = stat; + +#ifdef DEBUG + if (transfer_len) + urb_priv.actual_length = transfer_len; + pkt_print(dev, pipe, buffer, transfer_len, cmd, "RET(rh)", 0/*usb_pipein(pipe)*/); +#else + wait_ms(1); +#endif + + return stat; +} + +/*-------------------------------------------------------------------------*/ + +/* common code for handling submit messages - used for all but root hub */ +/* accesses. */ +int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, struct devrequest *setup, int interval) +{ + int stat = 0; + int maxsize = usb_maxpacket(dev, pipe); + int timeout; + + /* device pulled? Shortcut the action. */ + if (devgone == dev) { + dev->status = USB_ST_CRC_ERR; + return 0; + } + +#ifdef DEBUG + urb_priv.actual_length = 0; + pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe)); +#else + wait_ms(1); +#endif + if (!maxsize) { + err("submit_common_message: pipesize for pipe %lx is zero", + pipe); + return -1; + } + + if (sohci_submit_job(dev, pipe, buffer, transfer_len, setup, interval) < 0) { + err("sohci_submit_job failed"); + return -1; + } + + wait_ms(10); + /* ohci_dump_status(&gohci); */ + + /* allow more time for a BULK device to react - some are slow */ +#define BULK_TO 5000 /* timeout in milliseconds */ + if (usb_pipetype (pipe) == PIPE_BULK) + timeout = BULK_TO; + else + timeout = 100; + + /* wait for it to complete */ + for (;;) { + /* check whether the controller is done */ + stat = hc_interrupt(); + if (stat < 0) { + stat = USB_ST_CRC_ERR; + break; + } + if (stat >= 0 && stat != 0xff) { + /* 0xff is returned for an SF-interrupt */ + break; + } + if (--timeout) { + wait_ms(1); + } else { + err("CTL:TIMEOUT "); + stat = USB_ST_CRC_ERR; + break; + } + } + /* we got an Root Hub Status Change interrupt */ + if (got_rhsc) { +#ifdef DEBUG + ohci_dump_roothub (&gohci, 1); +#endif + got_rhsc = 0; + /* abuse timeout */ + timeout = rh_check_port_status(&gohci); + if (timeout >= 0) { +#if 0 /* this does nothing useful, but leave it here in case that changes */ + /* the called routine adds 1 to the passed value */ + usb_hub_port_connect_change(gohci.rh.dev, timeout - 1); +#endif + /* + * XXX + * This is potentially dangerous because it assumes + * that only one device is ever plugged in! + */ + devgone = dev; + } + } + + dev->status = stat; + dev->act_len = transfer_len; + +#ifdef DEBUG + pkt_print(dev, pipe, buffer, transfer_len, setup, "RET(ctlr)", usb_pipein(pipe)); +#else + wait_ms(1); +#endif + + /* free TDs in urb_priv */ + urb_free_priv (&urb_priv); + return 0; +} + +/* submit routines called from usb.c */ +int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len) +{ + info("submit_bulk_msg"); + return submit_common_msg(dev, pipe, buffer, transfer_len, NULL, 0); +} + +int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, struct devrequest *setup) +{ + int maxsize = usb_maxpacket(dev, pipe); + + info("submit_control_msg"); +#ifdef DEBUG + urb_priv.actual_length = 0; + pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe)); +#else + wait_ms(1); +#endif + if (!maxsize) { + err("submit_control_message: pipesize for pipe %lx is zero", + pipe); + return -1; + } + if (((pipe >> 8) & 0x7f) == gohci.rh.devnum) { + gohci.rh.dev = dev; + /* root hub - redirect */ + return ohci_submit_rh_msg(dev, pipe, buffer, transfer_len, + setup); + } + + return submit_common_msg(dev, pipe, buffer, transfer_len, setup, 0); +} + +int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, + int transfer_len, int interval) +{ + info("submit_int_msg"); + return -1; +} + +/*-------------------------------------------------------------------------* + * HC functions + *-------------------------------------------------------------------------*/ + +/* reset the HC and BUS */ + +static int hc_reset (ohci_t *ohci) +{ + int timeout = 30; + int smm_timeout = 50; /* 0,5 sec */ + + dbg("%s\n", __FUNCTION__); + + if (readl (&ohci->regs->control) & OHCI_CTRL_IR) { /* SMM owns the HC */ + writel (OHCI_OCR, &ohci->regs->cmdstatus); /* request ownership */ + info("USB HC TakeOver from SMM"); + while (readl (&ohci->regs->control) & OHCI_CTRL_IR) { + wait_ms (10); + if (--smm_timeout == 0) { + err("USB HC TakeOver failed!"); + return -1; + } + } + } + + /* Disable HC interrupts */ + writel (OHCI_INTR_MIE, &ohci->regs->intrdisable); + + dbg("USB HC reset_hc usb-%s: ctrl = 0x%X ;\n", + ohci->slot_name, + readl(&ohci->regs->control)); + + /* Reset USB (needed by some controllers) */ + writel (0, &ohci->regs->control); + + /* HC Reset requires max 10 us delay */ + writel (OHCI_HCR, &ohci->regs->cmdstatus); + while ((readl (&ohci->regs->cmdstatus) & OHCI_HCR) != 0) { + if (--timeout == 0) { + err("USB HC reset timed out!"); + return -1; + } + udelay (1); + } + return 0; +} + +/*-------------------------------------------------------------------------*/ + +/* Start an OHCI controller, set the BUS operational + * enable interrupts + * connect the virtual root hub */ + +static int hc_start (ohci_t * ohci) +{ + __u32 mask; + unsigned int fminterval; + + ohci->disabled = 1; + + /* Tell the controller where the control and bulk lists are + * The lists are empty now. */ + + writel (0, &ohci->regs->ed_controlhead); + writel (0, &ohci->regs->ed_bulkhead); + + writel ((__u32)ohci->hcca, &ohci->regs->hcca); /* a reset clears this */ + + fminterval = 0x2edf; + writel ((fminterval * 9) / 10, &ohci->regs->periodicstart); + fminterval |= ((((fminterval - 210) * 6) / 7) << 16); + writel (fminterval, &ohci->regs->fminterval); + writel (0x628, &ohci->regs->lsthresh); + + /* start controller operations */ + ohci->hc_control = OHCI_CONTROL_INIT | OHCI_USB_OPER; + ohci->disabled = 0; + writel (ohci->hc_control, &ohci->regs->control); + + /* disable all interrupts */ + mask = (OHCI_INTR_SO | OHCI_INTR_WDH | OHCI_INTR_SF | OHCI_INTR_RD | + OHCI_INTR_UE | OHCI_INTR_FNO | OHCI_INTR_RHSC | + OHCI_INTR_OC | OHCI_INTR_MIE); + writel (mask, &ohci->regs->intrdisable); + /* clear all interrupts */ + mask &= ~OHCI_INTR_MIE; + writel (mask, &ohci->regs->intrstatus); + /* Choose the interrupts we care about now - but w/o MIE */ + mask = OHCI_INTR_RHSC | OHCI_INTR_UE | OHCI_INTR_WDH | OHCI_INTR_SO; + writel (mask, &ohci->regs->intrenable); + +#ifdef OHCI_USE_NPS + /* required for AMD-756 and some Mac platforms */ + writel ((roothub_a (ohci) | RH_A_NPS) & ~RH_A_PSM, + &ohci->regs->roothub.a); + writel (RH_HS_LPSC, &ohci->regs->roothub.status); +#endif /* OHCI_USE_NPS */ + +#define mdelay(n) ({unsigned long msec=(n); while (msec--) udelay(1000);}) + /* POTPGT delay is bits 24-31, in 2 ms units. */ + mdelay ((roothub_a (ohci) >> 23) & 0x1fe); + + /* connect the virtual root hub */ + ohci->rh.devnum = 0; + + return 0; +} + +/*-------------------------------------------------------------------------*/ + +/* an interrupt happens */ + +static int +hc_interrupt (void) +{ + ohci_t *ohci = &gohci; + struct ohci_regs *regs = ohci->regs; + int ints; + int stat = -1; + + if ((ohci->hcca->done_head != 0) && !(m32_swap (ohci->hcca->done_head) & 0x01)) { + ints = OHCI_INTR_WDH; + } else { + ints = readl (®s->intrstatus); + } + + /* dbg("Interrupt: %x frame: %x", ints, le16_to_cpu (ohci->hcca->frame_no)); */ + + if (ints & OHCI_INTR_RHSC) { + got_rhsc = 1; + } + + if (ints & OHCI_INTR_UE) { + ohci->disabled++; + err ("OHCI Unrecoverable Error, controller usb-%s disabled", + ohci->slot_name); + /* e.g. due to PCI Master/Target Abort */ + +#ifdef DEBUG + ohci_dump (ohci, 1); +#else + wait_ms(1); +#endif + /* FIXME: be optimistic, hope that bug won't repeat often. */ + /* Make some non-interrupt context restart the controller. */ + /* Count and limit the retries though; either hardware or */ + /* software errors can go forever... */ + hc_reset (ohci); + return -1; + } + + if (ints & OHCI_INTR_WDH) { + wait_ms(1); + writel (OHCI_INTR_WDH, ®s->intrdisable); + stat = dl_done_list (&gohci, dl_reverse_done_list (&gohci)); + writel (OHCI_INTR_WDH, ®s->intrenable); + } + + if (ints & OHCI_INTR_SO) { + dbg("USB Schedule overrun\n"); + writel (OHCI_INTR_SO, ®s->intrenable); + stat = -1; + } + + /* FIXME: this assumes SOF (1/ms) interrupts don't get lost... */ + if (ints & OHCI_INTR_SF) { + unsigned int frame = m16_swap (ohci->hcca->frame_no) & 1; + wait_ms(1); + writel (OHCI_INTR_SF, ®s->intrdisable); + if (ohci->ed_rm_list[frame] != NULL) + writel (OHCI_INTR_SF, ®s->intrenable); + stat = 0xff; + } + + writel (ints, ®s->intrstatus); + return stat; +} + +/*-------------------------------------------------------------------------*/ + +/*-------------------------------------------------------------------------*/ + +/* De-allocate all resources.. */ + +static void hc_release_ohci (ohci_t *ohci) +{ + dbg ("USB HC release ohci usb-%s", ohci->slot_name); + + if (!ohci->disabled) + hc_reset (ohci); +} + +/*-------------------------------------------------------------------------*/ + +/* + * low level initalisation routine, called from usb.c + */ +static char ohci_inited = 0; + +int usb_lowlevel_init(void) +{ + /* do board dependant init */ + if(usb_board_init()) + return -1; + + memset (&gohci, 0, sizeof (ohci_t)); + memset (&urb_priv, 0, sizeof (urb_priv_t)); + + /* align the storage */ + if ((__u32)&ghcca[0] & 0xff) { + err("HCCA not aligned!!"); + return -1; + } + phcca = &ghcca[0]; + info("aligned ghcca %p", phcca); + memset(&ohci_dev, 0, sizeof(struct ohci_device)); + if ((__u32)&ohci_dev.ed[0] & 0x7) { + err("EDs not aligned!!"); + return -1; + } + memset(gtd, 0, sizeof(td_t) * (NUM_TD + 1)); + if ((__u32)gtd & 0x7) { + err("TDs not aligned!!"); + return -1; + } + ptd = gtd; + gohci.hcca = phcca; + memset (phcca, 0, sizeof (struct ohci_hcca)); + + gohci.disabled = 1; + gohci.sleeping = 0; + gohci.irq = -1; + gohci.regs = (struct ohci_regs *)OHCI_REGS_BASE; + + gohci.flags = 0; + gohci.slot_name = "delta/zylonite"; + + if (hc_reset (&gohci) < 0) { + hc_release_ohci (&gohci); + err ("can't reset usb-%s", gohci.slot_name); + /* Initialization failed disable clocks */ + CKENA &= ~(CKENA_2_USBHOST | CKENA_20_UDC); + return -1; + } + + /* FIXME this is a second HC reset; why?? */ + /* writel(gohci.hc_control = OHCI_USB_RESET, &gohci.regs->control); + wait_ms(10); */ + + if (hc_start (&gohci) < 0) { + err ("can't start usb-%s", gohci.slot_name); + hc_release_ohci (&gohci); + /* Initialization failed */ + CKENA &= ~(CKENA_2_USBHOST | CKENA_20_UDC); + return -1; + } + +#ifdef DEBUG + ohci_dump (&gohci, 1); +#else + wait_ms(1); +#endif + ohci_inited = 1; + return 0; +} + +int usb_lowlevel_stop(void) +{ + /* this gets called really early - before the controller has */ + /* even been initialized! */ + if (!ohci_inited) + return 0; + /* TODO release any interrupts, etc. */ + /* call hc_release_ohci() here ? */ + hc_reset (&gohci); + + /* board dependant cleanup */ + if(usb_board_stop()) + return -1; + + return 0; +} + +#endif /* CONFIG_USB_OHCI */ -- cgit v1.2.3-70-g09d2 From 24e37645e7378b20fa8f20e2996c8fb8e90c70c9 Mon Sep 17 00:00:00 2001 From: Markus Klotzbuecher Date: Tue, 23 May 2006 10:33:11 +0200 Subject: More cleanup for the delta board and the generic usb_ohci driver. Added CFG_USB_BOARD_INIT and CFG_USB_CPU_INIT for enabling board and cpu specific initialization and cleanup hooks respectively. --- board/delta/delta.c | 55 ++------------------------------------ cpu/pxa/Makefile | 2 +- cpu/pxa/usb.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++ drivers/usb_ohci.c | 59 ++++++++++++++++++++++++++++------------ drivers/usb_ohci.h | 8 ++++++ include/configs/delta.h | 8 ++++-- 6 files changed, 130 insertions(+), 73 deletions(-) create mode 100644 cpu/pxa/usb.c (limited to 'drivers/usb_ohci.c') diff --git a/board/delta/delta.c b/board/delta/delta.c index d9fe8cbf8..6e227748b 100644 --- a/board/delta/delta.c +++ b/board/delta/delta.c @@ -1,10 +1,6 @@ /* - * (C) Copyright 2002 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH - * Marius Groeger + * (C) Copyright 2006 + * DENX Software Engineering * * See file CREDITS for list of people who contributed to this * project. @@ -98,53 +94,6 @@ int board_late_init(void) return 0; } - -/* board dependant usb stuff */ -int usb_board_init() -{ - /* - * Enable USB host clock. - */ - CKENA |= (CKENA_2_USBHOST | CKENA_20_UDC); - udelay(100); - - /* Configure Port 2 for Host (USB Client Registers) */ - UP2OCR = 0x3000c; - -#if 0 - GPIO2_2 = 0x801; /* USBHPEN - Alt. Fkt. 1 */ - GPIO3_2 = 0x801; /* USBHPWR - Alt. Fkt. 1 */ -#endif - - UHCHR |= UHCHR_FHR; - wait_ms(11); /* udelay(11); */ - UHCHR &= ~UHCHR_FHR; - - UHCHR |= UHCHR_FSBIR; - while (UHCHR & UHCHR_FSBIR) - udelay(1); - -#if 0 - UHCHR |= UHCHR_PCPL; /* USBHPEN is active low */ - UHCHR |= UHCHR_PSPL; /* USBHPWR is active low */ -#endif - - UHCHR &= ~UHCHR_SSEP0; - UHCHR &= ~UHCHR_SSEP1; - UHCHR &= ~UHCHR_SSE; - - return 0; -} - -int usb_board_stop() -{ - /* may not want to do this */ - /* CKENA &= ~(CKENA_2_USBHOST | CKENA_20_UDC); */ - - return 0; -} - - /* * Magic Key Handling, mainly copied from board/lwmon/lwmon.c */ diff --git a/cpu/pxa/Makefile b/cpu/pxa/Makefile index 1af53d6ad..bd476f150 100644 --- a/cpu/pxa/Makefile +++ b/cpu/pxa/Makefile @@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk LIB = lib$(CPU).a START = start.o -OBJS = serial.o interrupts.o cpu.o i2c.o pxafb.o mmc.o +OBJS = serial.o interrupts.o cpu.o i2c.o pxafb.o mmc.o usb.o all: .depend $(START) $(LIB) diff --git a/cpu/pxa/usb.c b/cpu/pxa/usb.c new file mode 100644 index 000000000..e89391cf5 --- /dev/null +++ b/cpu/pxa/usb.c @@ -0,0 +1,71 @@ +/* + * (C) Copyright 2006 + * Markus Klotzbuecher, DENX Software Engineering + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include + +#ifdef CFG_USB_CPU_INIT +# ifdef CONFIG_CPU_MONAHANS +int usb_cpu_init() +{ + /* Enable USB host clock. */ + CKENA |= (CKENA_2_USBHOST | CKENA_20_UDC); + udelay(100); + + /* Configure Port 2 for Host (USB Client Registers) */ + UP2OCR = 0x3000c; + +#if 0 + GPIO2_2 = 0x801; /* USBHPEN - Alt. Fkt. 1 */ + GPIO3_2 = 0x801; /* USBHPWR - Alt. Fkt. 1 */ +#endif + + UHCHR |= UHCHR_FHR; + wait_ms(11); + UHCHR &= ~UHCHR_FHR; + + UHCHR |= UHCHR_FSBIR; + while (UHCHR & UHCHR_FSBIR) + udelay(1); + +#if 0 + UHCHR |= UHCHR_PCPL; /* USBHPEN is active low */ + UHCHR |= UHCHR_PSPL; /* USBHPWR is active low */ +#endif + + UHCHR &= ~UHCHR_SSEP0; + UHCHR &= ~UHCHR_SSEP1; + UHCHR &= ~UHCHR_SSE; + + return 0; +} + +int usb_cpu_stop() +{ + /* may not want to do this */ + /* CKENA &= ~(CKENA_2_USBHOST | CKENA_20_UDC); */ + + return 0; +} +# endif /* CONFIG_CPU_MONAHANS */ +#endif /* CFG_USB_CPU_INIT */ diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c index 4065489f3..f5af7192f 100644 --- a/drivers/usb_ohci.c +++ b/drivers/usb_ohci.c @@ -51,7 +51,10 @@ #include #include "usb_ohci.h" -/* #define OHCI_USE_NPS /\* force NoPowerSwitching mode *\/ */ +#ifdef CONFIG_ARM920T +# define OHCI_USE_NPS /* force NoPowerSwitching mode */ +#endif + #undef OHCI_VERBOSE_DEBUG /* not always helpful */ /* For initializing controller (mask in an HCFS mode too) */ @@ -310,9 +313,6 @@ static void ohci_dump_roothub (ohci_t *controller, int verbose) ndp = (temp & RH_A_NDP); #ifdef CONFIG_AT91C_PQFP_UHPBUG ndp = (ndp == 2) ? 1:0; -#endif -#if 0 /* def CONFIG_CPU_MONAHANS */ - data_buf [2] = (data_buf [2] == 2) ? 3:0; #endif if (verbose) { dbg ("roothub.a: %08x POTPGT=%d%s%s%s%s%s NDP=%d", temp, @@ -1150,19 +1150,13 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); #ifdef CONFIG_AT91C_PQFP_UHPBUG data_buf [2] = (data_buf [2] == 2) ? 1:0; #endif -#if 0 /* def CONFIG_CPU_MONAHANS */ - data_buf [2] = (data_buf [2] == 2) ? 3:0; -#endif - data_buf [3] = 0; if (temp & RH_A_PSM) /* per-port power switching? */ data_buf [3] |= 0x1; if (temp & RH_A_NOCP) /* no overcurrent reporting? */ data_buf [3] |= 0x10; -#if 1 else if (temp & RH_A_OCPM) /* per-port overcurrent reporting? */ data_buf [3] |= 0x8; -#endif /* corresponds to data_buf[4-7] */ datab [1] = 0; @@ -1557,10 +1551,18 @@ static char ohci_inited = 0; int usb_lowlevel_init(void) { - /* do board dependant init */ - if(usb_board_init()) + +#if CFG_USB_CPU_INIT + /* cpu dependant init */ + if(usb_cpu_init()) return -1; +#endif +#if CFG_USB_BOARD_INIT + /* board dependant init */ + if(usb_board_init()) + return -1; +#endif memset (&gohci, 0, sizeof (ohci_t)); memset (&urb_priv, 0, sizeof (urb_priv_t)); @@ -1588,28 +1590,43 @@ int usb_lowlevel_init(void) gohci.disabled = 1; gohci.sleeping = 0; gohci.irq = -1; - gohci.regs = (struct ohci_regs *)OHCI_REGS_BASE; + gohci.regs = (struct ohci_regs *)CFG_USB_OHCI_REGS_BASE; gohci.flags = 0; - gohci.slot_name = "delta/zylonite"; + gohci.slot_name = CFG_USB_SLOT_NAME; if (hc_reset (&gohci) < 0) { hc_release_ohci (&gohci); err ("can't reset usb-%s", gohci.slot_name); /* Initialization failed disable clocks */ - CKENA &= ~(CKENA_2_USBHOST | CKENA_20_UDC); +#if CFG_USB_BOARD_INIT + /* board dependant cleanup */ + usb_board_stop(); +#endif + +#if CFG_USB_CPU_INIT + /* cpu dependant cleanup */ + usb_cpu_stop(); +#endif return -1; } /* FIXME this is a second HC reset; why?? */ /* writel(gohci.hc_control = OHCI_USB_RESET, &gohci.regs->control); wait_ms(10); */ - if (hc_start (&gohci) < 0) { err ("can't start usb-%s", gohci.slot_name); hc_release_ohci (&gohci); /* Initialization failed */ - CKENA &= ~(CKENA_2_USBHOST | CKENA_20_UDC); +#if CFG_USB_BOARD_INIT + /* board dependant cleanup */ + usb_board_stop(); +#endif + +#if CFG_USB_CPU_INIT + /* cpu dependant cleanup */ + usb_cpu_stop(); +#endif return -1; } @@ -1632,9 +1649,17 @@ int usb_lowlevel_stop(void) /* call hc_release_ohci() here ? */ hc_reset (&gohci); +#if CFG_USB_BOARD_INIT /* board dependant cleanup */ if(usb_board_stop()) return -1; +#endif + +#if CFG_USB_CPU_INIT + /* cpu dependant cleanup */ + if(usb_cpu_stop()) + return -1; +#endif return 0; } diff --git a/drivers/usb_ohci.h b/drivers/usb_ohci.h index 7a1d9d9cc..c37b5f600 100644 --- a/drivers/usb_ohci.h +++ b/drivers/usb_ohci.h @@ -8,8 +8,16 @@ */ /* functions for doing board specific setup/cleanup */ +#ifdef CFG_USB_BOARD_INIT extern int usb_board_init(void); extern int usb_board_stop(void); +#endif + +#ifdef CFG_USB_CPU_INIT +extern int usb_cpu_init(void); +extern int usb_cpu_stop(void); +#endif + static int cc_to_error[16] = { diff --git a/include/configs/delta.h b/include/configs/delta.h index 0423bcbdb..e6b05e059 100644 --- a/include/configs/delta.h +++ b/include/configs/delta.h @@ -102,13 +102,17 @@ | CFG_CMD_IMLS)) #endif - +/* USB */ #define CONFIG_USB_OHCI 1 #define CONFIG_USB_STORAGE 1 #define CONFIG_DOS_PARTITION 1 -#define LITTLEENDIAN 1 /* used by usb_ohci.c */ +#undef CFG_USB_BOARD_INIT +#define CFG_USB_CPU_INIT 1 +#define CFG_USB_OHCI_REGS_BASE OHCI_REGS_BASE +#define CFG_USB_SLOT_NAME "delta" +#define LITTLEENDIAN 1 /* used by usb_ohci.c */ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include -- cgit v1.2.3-70-g09d2 From 301f1aa384d0edcae6a22fd9adb933ad71695ecc Mon Sep 17 00:00:00 2001 From: Markus Klotzbuecher Date: Tue, 23 May 2006 13:38:35 +0200 Subject: Changed the mp2usb (at91rm9200) board to use the generic OHCI driver. Some fixes to the latter. --- cpu/arm920t/at91rm9200/Makefile | 2 +- cpu/arm920t/at91rm9200/usb.c | 47 ++ cpu/arm920t/at91rm9200/usb_ohci.c | 1635 ------------------------------------- cpu/arm920t/at91rm9200/usb_ohci.h | 419 ---------- cpu/pxa/usb.c | 8 +- drivers/usb_ohci.c | 18 +- include/configs/delta.h | 6 +- include/configs/mp2usb.h | 11 +- 8 files changed, 73 insertions(+), 2073 deletions(-) create mode 100644 cpu/arm920t/at91rm9200/usb.c delete mode 100644 cpu/arm920t/at91rm9200/usb_ohci.c delete mode 100644 cpu/arm920t/at91rm9200/usb_ohci.h (limited to 'drivers/usb_ohci.c') diff --git a/cpu/arm920t/at91rm9200/Makefile b/cpu/arm920t/at91rm9200/Makefile index aec9cb640..f9fccbc06 100644 --- a/cpu/arm920t/at91rm9200/Makefile +++ b/cpu/arm920t/at91rm9200/Makefile @@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk LIB = lib$(SOC).a OBJS = bcm5221.o dm9161.o ether.o i2c.o interrupts.o \ - lxt972.o serial.o usb_ohci.o + lxt972.o serial.o usb.o SOBJS = lowlevel_init.o all: .depend $(LIB) diff --git a/cpu/arm920t/at91rm9200/usb.c b/cpu/arm920t/at91rm9200/usb.c new file mode 100644 index 000000000..7b83f23eb --- /dev/null +++ b/cpu/arm920t/at91rm9200/usb.c @@ -0,0 +1,47 @@ +/* + * (C) Copyright 2006 + * DENX Software Engineering + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include + +#if defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) +# ifdef CONFIG_AT91RM9200 + +#include + +int usb_cpu_init() +{ + /* Enable USB host clock. */ + *AT91C_PMC_SCER = AT91C_PMC_UHP; /* 48MHz clock enabled for UHP */ + *AT91C_PMC_PCER = 1 << AT91C_ID_UHP; /* Peripheral Clock Enable Register */ + return 0; +} + +int usb_cpu_stop() +{ + /* Initialization failed */ + *AT91C_PMC_PCDR = 1 << AT91C_ID_UHP; /* Peripheral Clock Disable Register */ + *AT91C_PMC_SCDR = AT91C_PMC_UHP; /* 48MHz clock disabled for UHP */ + return 0; +} +# endif /* CONFIG_AT91RM9200 */ +#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */ diff --git a/cpu/arm920t/at91rm9200/usb_ohci.c b/cpu/arm920t/at91rm9200/usb_ohci.c deleted file mode 100644 index 5b2c56cff..000000000 --- a/cpu/arm920t/at91rm9200/usb_ohci.c +++ /dev/null @@ -1,1635 +0,0 @@ -/* - * URB OHCI HCD (Host Controller Driver) for USB on the AT91RM9200. - * - * (C) Copyright 2003 - * Gary Jennejohn, DENX Software Engineering - * - * Note: Much of this code has been derived from Linux 2.4 - * (C) Copyright 1999 Roman Weissgaerber - * (C) Copyright 2000-2002 David Brownell - * - * Modified for the MP2USB by (C) Copyright 2005 Eric Benard - * ebenard@eukrea.com - based on s3c24x0's driver - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - */ -/* - * IMPORTANT NOTES - * 1 - you MUST define LITTLEENDIAN in the configuration file for the - * board or this driver will NOT work! - * 2 - this driver is intended for use with USB Mass Storage Devices - * (BBB) ONLY. There is NO support for Interrupt or Isochronous pipes! - * 3 - when running on a PQFP208 AT91RM9200, define CONFIG_AT91C_PQFP_UHPBUG - * to activate workaround for bug #41 or this driver will NOT work! - */ - -#include -/* #include no PCI on the S3C24X0 */ - -#ifdef CONFIG_USB_OHCI - -#include - -#include -#include -#include "usb_ohci.h" - -#define OHCI_USE_NPS /* force NoPowerSwitching mode */ -#undef OHCI_VERBOSE_DEBUG /* not always helpful */ - -/* For initializing controller (mask in an HCFS mode too) */ -#define OHCI_CONTROL_INIT \ - (OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE - -#define readl(a) (*((vu_long *)(a))) -#define writel(a, b) (*((vu_long *)(b)) = ((vu_long)a)) - -#define min_t(type,x,y) ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; }) - -#undef DEBUG -#ifdef DEBUG -#define dbg(format, arg...) printf("DEBUG: " format "\n", ## arg) -#else -#define dbg(format, arg...) do {} while(0) -#endif /* DEBUG */ -#define err(format, arg...) printf("ERROR: " format "\n", ## arg) -#undef SHOW_INFO -#ifdef SHOW_INFO -#define info(format, arg...) printf("INFO: " format "\n", ## arg) -#else -#define info(format, arg...) do {} while(0) -#endif - -#define m16_swap(x) swap_16(x) -#define m32_swap(x) swap_32(x) - -/* global ohci_t */ -static ohci_t gohci; -/* this must be aligned to a 256 byte boundary */ -struct ohci_hcca ghcca[1]; -/* a pointer to the aligned storage */ -struct ohci_hcca *phcca; -/* this allocates EDs for all possible endpoints */ -struct ohci_device ohci_dev; -/* urb_priv */ -urb_priv_t urb_priv; -/* RHSC flag */ -int got_rhsc; -/* device which was disconnected */ -struct usb_device *devgone; - -/*-------------------------------------------------------------------------*/ - -/* AMD-756 (D2 rev) reports corrupt register contents in some cases. - * The erratum (#4) description is incorrect. AMD's workaround waits - * till some bits (mostly reserved) are clear; ok for all revs. - */ -#define OHCI_QUIRK_AMD756 0xabcd -#define read_roothub(hc, register, mask) ({ \ - u32 temp = readl (&hc->regs->roothub.register); \ - if (hc->flags & OHCI_QUIRK_AMD756) \ - while (temp & mask) \ - temp = readl (&hc->regs->roothub.register); \ - temp; }) - -static u32 roothub_a (struct ohci *hc) - { return read_roothub (hc, a, 0xfc0fe000); } -static inline u32 roothub_b (struct ohci *hc) - { return readl (&hc->regs->roothub.b); } -static inline u32 roothub_status (struct ohci *hc) - { return readl (&hc->regs->roothub.status); } -static u32 roothub_portstatus (struct ohci *hc, int i) - { return read_roothub (hc, portstatus [i], 0xffe0fce0); } - - -/* forward declaration */ -static int hc_interrupt (void); -static void -td_submit_job (struct usb_device * dev, unsigned long pipe, void * buffer, - int transfer_len, struct devrequest * setup, urb_priv_t * urb, int interval); - -/*-------------------------------------------------------------------------* - * URB support functions - *-------------------------------------------------------------------------*/ - -/* free HCD-private data associated with this URB */ - -static void urb_free_priv (urb_priv_t * urb) -{ - int i; - int last; - struct td * td; - - last = urb->length - 1; - if (last >= 0) { - for (i = 0; i <= last; i++) { - td = urb->td[i]; - if (td) { - td->usb_dev = NULL; - urb->td[i] = NULL; - } - } - } -} - -/*-------------------------------------------------------------------------*/ - -#ifdef DEBUG -static int sohci_get_current_frame_number (struct usb_device * dev); - -/* debug| print the main components of an URB - * small: 0) header + data packets 1) just header */ - -static void pkt_print (struct usb_device * dev, unsigned long pipe, void * buffer, - int transfer_len, struct devrequest * setup, char * str, int small) -{ - urb_priv_t * purb = &urb_priv; - - dbg("%s URB:[%4x] dev:%2d,ep:%2d-%c,type:%s,len:%d/%d stat:%#lx", - str, - sohci_get_current_frame_number (dev), - usb_pipedevice (pipe), - usb_pipeendpoint (pipe), - usb_pipeout (pipe)? 'O': 'I', - usb_pipetype (pipe) < 2? (usb_pipeint (pipe)? "INTR": "ISOC"): - (usb_pipecontrol (pipe)? "CTRL": "BULK"), - purb->actual_length, - transfer_len, dev->status); -#ifdef OHCI_VERBOSE_DEBUG - if (!small) { - int i, len; - - if (usb_pipecontrol (pipe)) { - printf (__FILE__ ": cmd(8):"); - for (i = 0; i < 8 ; i++) - printf (" %02x", ((__u8 *) setup) [i]); - printf ("\n"); - } - if (transfer_len > 0 && buffer) { - printf (__FILE__ ": data(%d/%d):", - purb->actual_length, - transfer_len); - len = usb_pipeout (pipe)? - transfer_len: purb->actual_length; - for (i = 0; i < 16 && i < len; i++) - printf (" %02x", ((__u8 *) buffer) [i]); - printf ("%s\n", i < len? "...": ""); - } - } -#endif -} - -/* just for debugging; prints non-empty branches of the int ed tree inclusive iso eds*/ -void ep_print_int_eds (ohci_t *ohci, char * str) { - int i, j; - __u32 * ed_p; - for (i= 0; i < 32; i++) { - j = 5; - ed_p = &(ohci->hcca->int_table [i]); - if (*ed_p == 0) - continue; - printf (__FILE__ ": %s branch int %2d(%2x):", str, i, i); - while (*ed_p != 0 && j--) { - ed_t *ed = (ed_t *)m32_swap(ed_p); - printf (" ed: %4x;", ed->hwINFO); - ed_p = &ed->hwNextED; - } - printf ("\n"); - } -} - -static void ohci_dump_intr_mask (char *label, __u32 mask) -{ - dbg ("%s: 0x%08x%s%s%s%s%s%s%s%s%s", - label, - mask, - (mask & OHCI_INTR_MIE) ? " MIE" : "", - (mask & OHCI_INTR_OC) ? " OC" : "", - (mask & OHCI_INTR_RHSC) ? " RHSC" : "", - (mask & OHCI_INTR_FNO) ? " FNO" : "", - (mask & OHCI_INTR_UE) ? " UE" : "", - (mask & OHCI_INTR_RD) ? " RD" : "", - (mask & OHCI_INTR_SF) ? " SF" : "", - (mask & OHCI_INTR_WDH) ? " WDH" : "", - (mask & OHCI_INTR_SO) ? " SO" : "" - ); -} - -static void maybe_print_eds (char *label, __u32 value) -{ - ed_t *edp = (ed_t *)value; - - if (value) { - dbg ("%s %08x", label, value); - dbg ("%08x", edp->hwINFO); - dbg ("%08x", edp->hwTailP); - dbg ("%08x", edp->hwHeadP); - dbg ("%08x", edp->hwNextED); - } -} - -static char * hcfs2string (int state) -{ - switch (state) { - case OHCI_USB_RESET: return "reset"; - case OHCI_USB_RESUME: return "resume"; - case OHCI_USB_OPER: return "operational"; - case OHCI_USB_SUSPEND: return "suspend"; - } - return "?"; -} - -/* dump control and status registers */ -static void ohci_dump_status (ohci_t *controller) -{ - struct ohci_regs *regs = controller->regs; - __u32 temp; - - temp = readl (®s->revision) & 0xff; - if (temp != 0x10) - dbg ("spec %d.%d", (temp >> 4), (temp & 0x0f)); - - temp = readl (®s->control); - dbg ("control: 0x%08x%s%s%s HCFS=%s%s%s%s%s CBSR=%d", temp, - (temp & OHCI_CTRL_RWE) ? " RWE" : "", - (temp & OHCI_CTRL_RWC) ? " RWC" : "", - (temp & OHCI_CTRL_IR) ? " IR" : "", - hcfs2string (temp & OHCI_CTRL_HCFS), - (temp & OHCI_CTRL_BLE) ? " BLE" : "", - (temp & OHCI_CTRL_CLE) ? " CLE" : "", - (temp & OHCI_CTRL_IE) ? " IE" : "", - (temp & OHCI_CTRL_PLE) ? " PLE" : "", - temp & OHCI_CTRL_CBSR - ); - - temp = readl (®s->cmdstatus); - dbg ("cmdstatus: 0x%08x SOC=%d%s%s%s%s", temp, - (temp & OHCI_SOC) >> 16, - (temp & OHCI_OCR) ? " OCR" : "", - (temp & OHCI_BLF) ? " BLF" : "", - (temp & OHCI_CLF) ? " CLF" : "", - (temp & OHCI_HCR) ? " HCR" : "" - ); - - ohci_dump_intr_mask ("intrstatus", readl (®s->intrstatus)); - ohci_dump_intr_mask ("intrenable", readl (®s->intrenable)); - - maybe_print_eds ("ed_periodcurrent", readl (®s->ed_periodcurrent)); - - maybe_print_eds ("ed_controlhead", readl (®s->ed_controlhead)); - maybe_print_eds ("ed_controlcurrent", readl (®s->ed_controlcurrent)); - - maybe_print_eds ("ed_bulkhead", readl (®s->ed_bulkhead)); - maybe_print_eds ("ed_bulkcurrent", readl (®s->ed_bulkcurrent)); - - maybe_print_eds ("donehead", readl (®s->donehead)); -} - -static void ohci_dump_roothub (ohci_t *controller, int verbose) -{ - __u32 temp, ndp, i; - - temp = roothub_a (controller); - ndp = (temp & RH_A_NDP); -#ifdef CONFIG_AT91C_PQFP_UHPBUG - ndp = (ndp == 2) ? 1:0; -#endif - if (verbose) { - dbg ("roothub.a: %08x POTPGT=%d%s%s%s%s%s NDP=%d", temp, - ((temp & RH_A_POTPGT) >> 24) & 0xff, - (temp & RH_A_NOCP) ? " NOCP" : "", - (temp & RH_A_OCPM) ? " OCPM" : "", - (temp & RH_A_DT) ? " DT" : "", - (temp & RH_A_NPS) ? " NPS" : "", - (temp & RH_A_PSM) ? " PSM" : "", - ndp - ); - temp = roothub_b (controller); - dbg ("roothub.b: %08x PPCM=%04x DR=%04x", - temp, - (temp & RH_B_PPCM) >> 16, - (temp & RH_B_DR) - ); - temp = roothub_status (controller); - dbg ("roothub.status: %08x%s%s%s%s%s%s", - temp, - (temp & RH_HS_CRWE) ? " CRWE" : "", - (temp & RH_HS_OCIC) ? " OCIC" : "", - (temp & RH_HS_LPSC) ? " LPSC" : "", - (temp & RH_HS_DRWE) ? " DRWE" : "", - (temp & RH_HS_OCI) ? " OCI" : "", - (temp & RH_HS_LPS) ? " LPS" : "" - ); - } - - for (i = 0; i < ndp; i++) { - temp = roothub_portstatus (controller, i); - dbg ("roothub.portstatus [%d] = 0x%08x%s%s%s%s%s%s%s%s%s%s%s%s", - i, - temp, - (temp & RH_PS_PRSC) ? " PRSC" : "", - (temp & RH_PS_OCIC) ? " OCIC" : "", - (temp & RH_PS_PSSC) ? " PSSC" : "", - (temp & RH_PS_PESC) ? " PESC" : "", - (temp & RH_PS_CSC) ? " CSC" : "", - - (temp & RH_PS_LSDA) ? " LSDA" : "", - (temp & RH_PS_PPS) ? " PPS" : "", - (temp & RH_PS_PRS) ? " PRS" : "", - (temp & RH_PS_POCI) ? " POCI" : "", - (temp & RH_PS_PSS) ? " PSS" : "", - - (temp & RH_PS_PES) ? " PES" : "", - (temp & RH_PS_CCS) ? " CCS" : "" - ); - } -} - -static void ohci_dump (ohci_t *controller, int verbose) -{ - dbg ("OHCI controller usb-%s state", controller->slot_name); - - /* dumps some of the state we know about */ - ohci_dump_status (controller); - if (verbose) - ep_print_int_eds (controller, "hcca"); - dbg ("hcca frame #%04x", controller->hcca->frame_no); - ohci_dump_roothub (controller, 1); -} - - -#endif /* DEBUG */ - -/*-------------------------------------------------------------------------* - * Interface functions (URB) - *-------------------------------------------------------------------------*/ - -/* get a transfer request */ - -int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer, - int transfer_len, struct devrequest *setup, int interval) -{ - ohci_t *ohci; - ed_t * ed; - urb_priv_t *purb_priv; - int i, size = 0; - - ohci = &gohci; - - /* when controller's hung, permit only roothub cleanup attempts - * such as powering down ports */ - if (ohci->disabled) { - err("sohci_submit_job: EPIPE"); - return -1; - } - - /* every endpoint has a ed, locate and fill it */ - if (!(ed = ep_add_ed (dev, pipe))) { - err("sohci_submit_job: ENOMEM"); - return -1; - } - - /* for the private part of the URB we need the number of TDs (size) */ - switch (usb_pipetype (pipe)) { - case PIPE_BULK: /* one TD for every 4096 Byte */ - size = (transfer_len - 1) / 4096 + 1; - break; - case PIPE_CONTROL: /* 1 TD for setup, 1 for ACK and 1 for every 4096 B */ - size = (transfer_len == 0)? 2: - (transfer_len - 1) / 4096 + 3; - break; - } - - if (size >= (N_URB_TD - 1)) { - err("need %d TDs, only have %d", size, N_URB_TD); - return -1; - } - purb_priv = &urb_priv; - purb_priv->pipe = pipe; - - /* fill the private part of the URB */ - purb_priv->length = size; - purb_priv->ed = ed; - purb_priv->actual_length = 0; - - /* allocate the TDs */ - /* note that td[0] was allocated in ep_add_ed */ - for (i = 0; i < size; i++) { - purb_priv->td[i] = td_alloc (dev); - if (!purb_priv->td[i]) { - purb_priv->length = i; - urb_free_priv (purb_priv); - err("sohci_submit_job: ENOMEM"); - return -1; - } - } - - if (ed->state == ED_NEW || (ed->state & ED_DEL)) { - urb_free_priv (purb_priv); - err("sohci_submit_job: EINVAL"); - return -1; - } - - /* link the ed into a chain if is not already */ - if (ed->state != ED_OPER) - ep_link (ohci, ed); - - /* fill the TDs and link it to the ed */ - td_submit_job(dev, pipe, buffer, transfer_len, setup, purb_priv, interval); - - return 0; -} - -/*-------------------------------------------------------------------------*/ - -#ifdef DEBUG -/* tell us the current USB frame number */ - -static int sohci_get_current_frame_number (struct usb_device *usb_dev) -{ - ohci_t *ohci = &gohci; - - return m16_swap (ohci->hcca->frame_no); -} -#endif - -/*-------------------------------------------------------------------------* - * ED handling functions - *-------------------------------------------------------------------------*/ - -/* link an ed into one of the HC chains */ - -static int ep_link (ohci_t *ohci, ed_t *edi) -{ - volatile ed_t *ed = edi; - - ed->state = ED_OPER; - - switch (ed->type) { - case PIPE_CONTROL: - ed->hwNextED = 0; - if (ohci->ed_controltail == NULL) { - writel (ed, &ohci->regs->ed_controlhead); - } else { - ohci->ed_controltail->hwNextED = m32_swap (ed); - } - ed->ed_prev = ohci->ed_controltail; - if (!ohci->ed_controltail && !ohci->ed_rm_list[0] && - !ohci->ed_rm_list[1] && !ohci->sleeping) { - ohci->hc_control |= OHCI_CTRL_CLE; - writel (ohci->hc_control, &ohci->regs->control); - } - ohci->ed_controltail = edi; - break; - - case PIPE_BULK: - ed->hwNextED = 0; - if (ohci->ed_bulktail == NULL) { - writel (ed, &ohci->regs->ed_bulkhead); - } else { - ohci->ed_bulktail->hwNextED = m32_swap (ed); - } - ed->ed_prev = ohci->ed_bulktail; - if (!ohci->ed_bulktail && !ohci->ed_rm_list[0] && - !ohci->ed_rm_list[1] && !ohci->sleeping) { - ohci->hc_control |= OHCI_CTRL_BLE; - writel (ohci->hc_control, &ohci->regs->control); - } - ohci->ed_bulktail = edi; - break; - } - return 0; -} - -/*-------------------------------------------------------------------------*/ - -/* unlink an ed from one of the HC chains. - * just the link to the ed is unlinked. - * the link from the ed still points to another operational ed or 0 - * so the HC can eventually finish the processing of the unlinked ed */ - -static int ep_unlink (ohci_t *ohci, ed_t *ed) -{ - ed->hwINFO |= m32_swap (OHCI_ED_SKIP); - - switch (ed->type) { - case PIPE_CONTROL: - if (ed->ed_prev == NULL) { - if (!ed->hwNextED) { - ohci->hc_control &= ~OHCI_CTRL_CLE; - writel (ohci->hc_control, &ohci->regs->control); - } - writel (m32_swap (*((__u32 *)&ed->hwNextED)), &ohci->regs->ed_controlhead); - } else { - ed->ed_prev->hwNextED = ed->hwNextED; - } - if (ohci->ed_controltail == ed) { - ohci->ed_controltail = ed->ed_prev; - } else { - ((ed_t *)m32_swap (*((__u32 *)&ed->hwNextED)))->ed_prev = ed->ed_prev; - } - break; - - case PIPE_BULK: - if (ed->ed_prev == NULL) { - if (!ed->hwNextED) { - ohci->hc_control &= ~OHCI_CTRL_BLE; - writel (ohci->hc_control, &ohci->regs->control); - } - writel (m32_swap (*((__u32 *)&ed->hwNextED)), &ohci->regs->ed_bulkhead); - } else { - ed->ed_prev->hwNextED = ed->hwNextED; - } - if (ohci->ed_bulktail == ed) { - ohci->ed_bulktail = ed->ed_prev; - } else { - ((ed_t *)m32_swap (*((__u32 *)&ed->hwNextED)))->ed_prev = ed->ed_prev; - } - break; - } - ed->state = ED_UNLINK; - return 0; -} - - -/*-------------------------------------------------------------------------*/ - -/* add/reinit an endpoint; this should be done once at the usb_set_configuration command, - * but the USB stack is a little bit stateless so we do it at every transaction - * if the state of the ed is ED_NEW then a dummy td is added and the state is changed to ED_UNLINK - * in all other cases the state is left unchanged - * the ed info fields are setted anyway even though most of them should not change */ - -static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe) -{ - td_t *td; - ed_t *ed_ret; - volatile ed_t *ed; - - ed = ed_ret = &ohci_dev.ed[(usb_pipeendpoint (pipe) << 1) | - (usb_pipecontrol (pipe)? 0: usb_pipeout (pipe))]; - - if ((ed->state & ED_DEL) || (ed->state & ED_URB_DEL)) { - err("ep_add_ed: pending delete"); - /* pending delete request */ - return NULL; - } - - if (ed->state == ED_NEW) { - ed->hwINFO = m32_swap (OHCI_ED_SKIP); /* skip ed */ - /* dummy td; end of td list for ed */ - td = td_alloc (usb_dev); - ed->hwTailP = m32_swap (td); - ed->hwHeadP = ed->hwTailP; - ed->state = ED_UNLINK; - ed->type = usb_pipetype (pipe); - ohci_dev.ed_cnt++; - } - - ed->hwINFO = m32_swap (usb_pipedevice (pipe) - | usb_pipeendpoint (pipe) << 7 - | (usb_pipeisoc (pipe)? 0x8000: 0) - | (usb_pipecontrol (pipe)? 0: (usb_pipeout (pipe)? 0x800: 0x1000)) - | usb_pipeslow (pipe) << 13 - | usb_maxpacket (usb_dev, pipe) << 16); - - return ed_ret; -} - -/*-------------------------------------------------------------------------* - * TD handling functions - *-------------------------------------------------------------------------*/ - -/* enqueue next TD for this URB (OHCI spec 5.2.8.2) */ - -static void td_fill (ohci_t *ohci, unsigned int info, - void *data, int len, - struct usb_device *dev, int index, urb_priv_t *urb_priv) -{ - volatile td_t *td, *td_pt; -#ifdef OHCI_FILL_TRACE - int i; -#endif - - if (index > urb_priv->length) { - err("index > length"); - return; - } - /* use this td as the next dummy */ - td_pt = urb_priv->td [index]; - td_pt->hwNextTD = 0; - - /* fill the old dummy TD */ - td = urb_priv->td [index] = (td_t *)(m32_swap (urb_priv->ed->hwTailP) & ~0xf); - - td->ed = urb_priv->ed; - td->next_dl_td = NULL; - td->index = index; - td->data = (__u32)data; -#ifdef OHCI_FILL_TRACE - if ((usb_pipetype(urb_priv->pipe) == PIPE_BULK) && usb_pipeout(urb_priv->pipe)) { - for (i = 0; i < len; i++) - printf("td->data[%d] %#2x ",i, ((unsigned char *)td->data)[i]); - printf("\n"); - } -#endif - if (!len) - data = 0; - - td->hwINFO = m32_swap (info); - td->hwCBP = m32_swap (data); - if (data) - td->hwBE = m32_swap (data + len - 1); - else - td->hwBE = 0; - td->hwNextTD = m32_swap (td_pt); - td->hwPSW [0] = m16_swap (((__u32)data & 0x0FFF) | 0xE000); - - /* append to queue */ - td->ed->hwTailP = td->hwNextTD; -} - -/*-------------------------------------------------------------------------*/ - -/* prepare all TDs of a transfer */ - -static void td_submit_job (struct usb_device *dev, unsigned long pipe, void *buffer, - int transfer_len, struct devrequest *setup, urb_priv_t *urb, int interval) -{ - ohci_t *ohci = &gohci; - int data_len = transfer_len; - void *data; - int cnt = 0; - __u32 info = 0; - unsigned int toggle = 0; - - /* OHCI handles the DATA-toggles itself, we just use the USB-toggle bits for reseting */ - if(usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe))) { - toggle = TD_T_TOGGLE; - } else { - toggle = TD_T_DATA0; - usb_settoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 1); - } - urb->td_cnt = 0; - if (data_len) - data = buffer; - else - data = 0; - - switch (usb_pipetype (pipe)) { - case PIPE_BULK: - info = usb_pipeout (pipe)? - TD_CC | TD_DP_OUT : TD_CC | TD_DP_IN ; - while(data_len > 4096) { - td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, 4096, dev, cnt, urb); - data += 4096; data_len -= 4096; cnt++; - } - info = usb_pipeout (pipe)? - TD_CC | TD_DP_OUT : TD_CC | TD_R | TD_DP_IN ; - td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, data_len, dev, cnt, urb); - cnt++; - - if (!ohci->sleeping) - writel (OHCI_BLF, &ohci->regs->cmdstatus); /* start bulk list */ - break; - - case PIPE_CONTROL: - info = TD_CC | TD_DP_SETUP | TD_T_DATA0; - td_fill (ohci, info, setup, 8, dev, cnt++, urb); - if (data_len > 0) { - info = usb_pipeout (pipe)? - TD_CC | TD_R | TD_DP_OUT | TD_T_DATA1 : TD_CC | TD_R | TD_DP_IN | TD_T_DATA1; - /* NOTE: mishandles transfers >8K, some >4K */ - td_fill (ohci, info, data, data_len, dev, cnt++, urb); - } - info = usb_pipeout (pipe)? - TD_CC | TD_DP_IN | TD_T_DATA1: TD_CC | TD_DP_OUT | TD_T_DATA1; - td_fill (ohci, info, data, 0, dev, cnt++, urb); - if (!ohci->sleeping) - writel (OHCI_CLF, &ohci->regs->cmdstatus); /* start Control list */ - break; - } - if (urb->length != cnt) - dbg("TD LENGTH %d != CNT %d", urb->length, cnt); -} - -/*-------------------------------------------------------------------------* - * Done List handling functions - *-------------------------------------------------------------------------*/ - - -/* calculate the transfer length and update the urb */ - -static void dl_transfer_length(td_t * td) -{ - __u32 tdINFO, tdBE, tdCBP; - urb_priv_t *lurb_priv = &urb_priv; - - tdINFO = m32_swap (td->hwINFO); - tdBE = m32_swap (td->hwBE); - tdCBP = m32_swap (td->hwCBP); - - - if (!(usb_pipetype (lurb_priv->pipe) == PIPE_CONTROL && - ((td->index == 0) || (td->index == lurb_priv->length - 1)))) { - if (tdBE != 0) { - if (td->hwCBP == 0) - lurb_priv->actual_length += tdBE - td->data + 1; - else - lurb_priv->actual_length += tdCBP - td->data; - } - } -} - -/*-------------------------------------------------------------------------*/ - -/* replies to the request have to be on a FIFO basis so - * we reverse the reversed done-list */ - -static td_t * dl_reverse_done_list (ohci_t *ohci) -{ - __u32 td_list_hc; - td_t *td_rev = NULL; - td_t *td_list = NULL; - urb_priv_t *lurb_priv = NULL; - - td_list_hc = m32_swap (ohci->hcca->done_head) & 0xfffffff0; - ohci->hcca->done_head = 0; - - while (td_list_hc) { - td_list = (td_t *)td_list_hc; - - if (TD_CC_GET (m32_swap (td_list->hwINFO))) { - lurb_priv = &urb_priv; - dbg(" USB-error/status: %x : %p", - TD_CC_GET (m32_swap (td_list->hwINFO)), td_list); - if (td_list->ed->hwHeadP & m32_swap (0x1)) { - if (lurb_priv && ((td_list->index + 1) < lurb_priv->length)) { - td_list->ed->hwHeadP = - (lurb_priv->td[lurb_priv->length - 1]->hwNextTD & m32_swap (0xfffffff0)) | - (td_list->ed->hwHeadP & m32_swap (0x2)); - lurb_priv->td_cnt += lurb_priv->length - td_list->index - 1; - } else - td_list->ed->hwHeadP &= m32_swap (0xfffffff2); - } - } - - td_list->next_dl_td = td_rev; - td_rev = td_list; - td_list_hc = m32_swap (td_list->hwNextTD) & 0xfffffff0; - } - return td_list; -} - -/*-------------------------------------------------------------------------*/ - -/* td done list */ -static int dl_done_list (ohci_t *ohci, td_t *td_list) -{ - td_t *td_list_next = NULL; - ed_t *ed; - int cc = 0; - int stat = 0; - /* urb_t *urb; */ - urb_priv_t *lurb_priv; - __u32 tdINFO, edHeadP, edTailP; - - while (td_list) { - td_list_next = td_list->next_dl_td; - - lurb_priv = &urb_priv; - tdINFO = m32_swap (td_list->hwINFO); - - ed = td_list->ed; - - dl_transfer_length(td_list); - - /* error code of transfer */ - cc = TD_CC_GET (tdINFO); - if (cc != 0) { - dbg("ConditionCode %#x", cc); - stat = cc_to_error[cc]; - } - - if (ed->state != ED_NEW) { - edHeadP = m32_swap (ed->hwHeadP) & 0xfffffff0; - edTailP = m32_swap (ed->hwTailP); - - /* unlink eds if they are not busy */ - if ((edHeadP == edTailP) && (ed->state == ED_OPER)) - ep_unlink (ohci, ed); - } - - td_list = td_list_next; - } - return stat; -} - -/*-------------------------------------------------------------------------* - * Virtual Root Hub - *-------------------------------------------------------------------------*/ - -/* Device descriptor */ -static __u8 root_hub_dev_des[] = -{ - 0x12, /* __u8 bLength; */ - 0x01, /* __u8 bDescriptorType; Device */ - 0x10, /* __u16 bcdUSB; v1.1 */ - 0x01, - 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */ - 0x00, /* __u8 bDeviceSubClass; */ - 0x00, /* __u8 bDeviceProtocol; */ - 0x08, /* __u8 bMaxPacketSize0; 8 Bytes */ - 0x00, /* __u16 idVendor; */ - 0x00, - 0x00, /* __u16 idProduct; */ - 0x00, - 0x00, /* __u16 bcdDevice; */ - 0x00, - 0x00, /* __u8 iManufacturer; */ - 0x01, /* __u8 iProduct; */ - 0x00, /* __u8 iSerialNumber; */ - 0x01 /* __u8 bNumConfigurations; */ -}; - - -/* Configuration descriptor */ -static __u8 root_hub_config_des[] = -{ - 0x09, /* __u8 bLength; */ - 0x02, /* __u8 bDescriptorType; Configuration */ - 0x19, /* __u16 wTotalLength; */ - 0x00, - 0x01, /* __u8 bNumInterfaces; */ - 0x01, /* __u8 bConfigurationValue; */ - 0x00, /* __u8 iConfiguration; */ - 0x40, /* __u8 bmAttributes; - Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 4..0: resvd */ - 0x00, /* __u8 MaxPower; */ - - /* interface */ - 0x09, /* __u8 if_bLength; */ - 0x04, /* __u8 if_bDescriptorType; Interface */ - 0x00, /* __u8 if_bInterfaceNumber; */ - 0x00, /* __u8 if_bAlternateSetting; */ - 0x01, /* __u8 if_bNumEndpoints; */ - 0x09, /* __u8 if_bInterfaceClass; HUB_CLASSCODE */ - 0x00, /* __u8 if_bInterfaceSubClass; */ - 0x00, /* __u8 if_bInterfaceProtocol; */ - 0x00, /* __u8 if_iInterface; */ - - /* endpoint */ - 0x07, /* __u8 ep_bLength; */ - 0x05, /* __u8 ep_bDescriptorType; Endpoint */ - 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ - 0x03, /* __u8 ep_bmAttributes; Interrupt */ - 0x02, /* __u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */ - 0x00, - 0xff /* __u8 ep_bInterval; 255 ms */ -}; - -static unsigned char root_hub_str_index0[] = -{ - 0x04, /* __u8 bLength; */ - 0x03, /* __u8 bDescriptorType; String-descriptor */ - 0x09, /* __u8 lang ID */ - 0x04, /* __u8 lang ID */ -}; - -static unsigned char root_hub_str_index1[] = -{ - 28, /* __u8 bLength; */ - 0x03, /* __u8 bDescriptorType; String-descriptor */ - 'O', /* __u8 Unicode */ - 0, /* __u8 Unicode */ - 'H', /* __u8 Unicode */ - 0, /* __u8 Unicode */ - 'C', /* __u8 Unicode */ - 0, /* __u8 Unicode */ - 'I', /* __u8 Unicode */ - 0, /* __u8 Unicode */ - ' ', /* __u8 Unicode */ - 0, /* __u8 Unicode */ - 'R', /* __u8 Unicode */ - 0, /* __u8 Unicode */ - 'o', /* __u8 Unicode */ - 0, /* __u8 Unicode */ - 'o', /* __u8 Unicode */ - 0, /* __u8 Unicode */ - 't', /* __u8 Unicode */ - 0, /* __u8 Unicode */ - ' ', /* __u8 Unicode */ - 0, /* __u8 Unicode */ - 'H', /* __u8 Unicode */ - 0, /* __u8 Unicode */ - 'u', /* __u8 Unicode */ - 0, /* __u8 Unicode */ - 'b', /* __u8 Unicode */ - 0, /* __u8 Unicode */ -}; - -/* Hub class-specific descriptor is constructed dynamically */ - - -/*-------------------------------------------------------------------------*/ - -#define OK(x) len = (x); break -#ifdef DEBUG -#define WR_RH_STAT(x) {info("WR:status %#8x", (x));writel((x), &gohci.regs->roothub.status);} -#define WR_RH_PORTSTAT(x) {info("WR:portstatus[%d] %#8x", wIndex-1, (x));writel((x), &gohci.regs->roothub.portstatus[wIndex-1]);} -#else -#define WR_RH_STAT(x) writel((x), &gohci.regs->roothub.status) -#define WR_RH_PORTSTAT(x) writel((x), &gohci.regs->roothub.portstatus[wIndex-1]) -#endif -#define RD_RH_STAT roothub_status(&gohci) -#define RD_RH_PORTSTAT roothub_portstatus(&gohci,wIndex-1) - -/* request to virtual root hub */ - -int rh_check_port_status(ohci_t *controller) -{ - __u32 temp, ndp, i; - int res; - - res = -1; - temp = roothub_a (controller); - ndp = (temp & RH_A_NDP); -#ifdef CONFIG_AT91C_PQFP_UHPBUG - ndp = (ndp == 2) ? 1:0; -#endif - - for (i = 0; i < ndp; i++) { - temp = roothub_portstatus (controller, i); - /* check for a device disconnect */ - if (((temp & (RH_PS_PESC | RH_PS_CSC)) == - (RH_PS_PESC | RH_PS_CSC)) && - ((temp & RH_PS_CCS) == 0)) { - res = i; - break; - } - } - return res; -} - -static int ohci_submit_rh_msg(struct usb_device *dev, unsigned long pipe, - void *buffer, int transfer_len, struct devrequest *cmd) -{ - void * data = buffer; - int leni = transfer_len; - int len = 0; - int stat = 0; - __u32 datab[4]; - __u8 *data_buf = (__u8 *)datab; - __u16 bmRType_bReq; - __u16 wValue; - __u16 wIndex; - __u16 wLength; - -#ifdef DEBUG -urb_priv.actual_length = 0; -pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); -#else - wait_ms(1); -#endif - if ((pipe & PIPE_INTERRUPT) == PIPE_INTERRUPT) { - info("Root-Hub submit IRQ: NOT implemented"); - return 0; - } - - bmRType_bReq = cmd->requesttype | (cmd->request << 8); - wValue = m16_swap (cmd->value); - wIndex = m16_swap (cmd->index); - wLength = m16_swap (cmd->length); - - info("Root-Hub: adr: %2x cmd(%1x): %08x %04x %04x %04x", - dev->devnum, 8, bmRType_bReq, wValue, wIndex, wLength); - - switch (bmRType_bReq) { - /* Request Destination: - without flags: Device, - RH_INTERFACE: interface, - RH_ENDPOINT: endpoint, - RH_CLASS means HUB here, - RH_OTHER | RH_CLASS almost ever means HUB_PORT here - */ - - case RH_GET_STATUS: - *(__u16 *) data_buf = m16_swap (1); OK (2); - case RH_GET_STATUS | RH_INTERFACE: - *(__u16 *) data_buf = m16_swap (0); OK (2); - case RH_GET_STATUS | RH_ENDPOINT: - *(__u16 *) data_buf = m16_swap (0); OK (2); - case RH_GET_STATUS | RH_CLASS: - *(__u32 *) data_buf = m32_swap ( - RD_RH_STAT & ~(RH_HS_CRWE | RH_HS_DRWE)); - OK (4); - case RH_GET_STATUS | RH_OTHER | RH_CLASS: - *(__u32 *) data_buf = m32_swap (RD_RH_PORTSTAT); OK (4); - - case RH_CLEAR_FEATURE | RH_ENDPOINT: - switch (wValue) { - case (RH_ENDPOINT_STALL): OK (0); - } - break; - - case RH_CLEAR_FEATURE | RH_CLASS: - switch (wValue) { - case RH_C_HUB_LOCAL_POWER: - OK(0); - case (RH_C_HUB_OVER_CURRENT): - WR_RH_STAT(RH_HS_OCIC); OK (0); - } - break; - - case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS: - switch (wValue) { - case (RH_PORT_ENABLE): - WR_RH_PORTSTAT (RH_PS_CCS ); OK (0); - case (RH_PORT_SUSPEND): - WR_RH_PORTSTAT (RH_PS_POCI); OK (0); - case (RH_PORT_POWER): - WR_RH_PORTSTAT (RH_PS_LSDA); OK (0); - case (RH_C_PORT_CONNECTION): - WR_RH_PORTSTAT (RH_PS_CSC ); OK (0); - case (RH_C_PORT_ENABLE): - WR_RH_PORTSTAT (RH_PS_PESC); OK (0); - case (RH_C_PORT_SUSPEND): - WR_RH_PORTSTAT (RH_PS_PSSC); OK (0); - case (RH_C_PORT_OVER_CURRENT): - WR_RH_PORTSTAT (RH_PS_OCIC); OK (0); - case (RH_C_PORT_RESET): - WR_RH_PORTSTAT (RH_PS_PRSC); OK (0); - } - break; - - case RH_SET_FEATURE | RH_OTHER | RH_CLASS: - switch (wValue) { - case (RH_PORT_SUSPEND): - WR_RH_PORTSTAT (RH_PS_PSS ); OK (0); - case (RH_PORT_RESET): /* BUG IN HUP CODE *********/ - if (RD_RH_PORTSTAT & RH_PS_CCS) - WR_RH_PORTSTAT (RH_PS_PRS); - OK (0); - case (RH_PORT_POWER): - WR_RH_PORTSTAT (RH_PS_PPS ); OK (0); - case (RH_PORT_ENABLE): /* BUG IN HUP CODE *********/ - if (RD_RH_PORTSTAT & RH_PS_CCS) - WR_RH_PORTSTAT (RH_PS_PES ); - OK (0); - } - break; - - case RH_SET_ADDRESS: gohci.rh.devnum = wValue; OK(0); - - case RH_GET_DESCRIPTOR: - switch ((wValue & 0xff00) >> 8) { - case (0x01): /* device descriptor */ - len = min_t(unsigned int, - leni, - min_t(unsigned int, - sizeof (root_hub_dev_des), - wLength)); - data_buf = root_hub_dev_des; OK(len); - case (0x02): /* configuration descriptor */ - len = min_t(unsigned int, - leni, - min_t(unsigned int, - sizeof (root_hub_config_des), - wLength)); - data_buf = root_hub_config_des; OK(len); - case (0x03): /* string descriptors */ - if(wValue==0x0300) { - len = min_t(unsigned int, - leni, - min_t(unsigned int, - sizeof (root_hub_str_index0), - wLength)); - data_buf = root_hub_str_index0; - OK(len); - } - if(wValue==0x0301) { - len = min_t(unsigned int, - leni, - min_t(unsigned int, - sizeof (root_hub_str_index1), - wLength)); - data_buf = root_hub_str_index1; - OK(len); - } - default: - stat = USB_ST_STALLED; - } - break; - - case RH_GET_DESCRIPTOR | RH_CLASS: - { - __u32 temp = roothub_a (&gohci); - - data_buf [0] = 9; /* min length; */ - data_buf [1] = 0x29; - data_buf [2] = temp & RH_A_NDP; -#ifdef CONFIG_AT91C_PQFP_UHPBUG - data_buf [2] = (data_buf [2] == 2) ? 1:0; -#endif - data_buf [3] = 0; - if (temp & RH_A_PSM) /* per-port power switching? */ - data_buf [3] |= 0x1; - if (temp & RH_A_NOCP) /* no overcurrent reporting? */ - data_buf [3] |= 0x10; - else if (temp & RH_A_OCPM) /* per-port overcurrent reporting? */ - data_buf [3] |= 0x8; - - /* corresponds to data_buf[4-7] */ - datab [1] = 0; - data_buf [5] = (temp & RH_A_POTPGT) >> 24; - temp = roothub_b (&gohci); - data_buf [7] = temp & RH_B_DR; - if (data_buf [2] < 7) { - data_buf [8] = 0xff; - } else { - data_buf [0] += 2; - data_buf [8] = (temp & RH_B_DR) >> 8; - data_buf [10] = data_buf [9] = 0xff; - } - - len = min_t(unsigned int, leni, - min_t(unsigned int, data_buf [0], wLength)); - OK (len); - } - - case RH_GET_CONFIGURATION: *(__u8 *) data_buf = 0x01; OK (1); - - case RH_SET_CONFIGURATION: WR_RH_STAT (0x10000); OK (0); - - default: - dbg ("unsupported root hub command"); - stat = USB_ST_STALLED; - } - -#ifdef DEBUG - ohci_dump_roothub (&gohci, 1); -#else - wait_ms(1); -#endif - - len = min_t(int, len, leni); - if (data != data_buf) - memcpy (data, data_buf, len); - dev->act_len = len; - dev->status = stat; - -#ifdef DEBUG - if (transfer_len) - urb_priv.actual_length = transfer_len; - pkt_print(dev, pipe, buffer, transfer_len, cmd, "RET(rh)", 0/*usb_pipein(pipe)*/); -#else - wait_ms(1); -#endif - - return stat; -} - -/*-------------------------------------------------------------------------*/ - -/* common code for handling submit messages - used for all but root hub */ -/* accesses. */ -int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, - int transfer_len, struct devrequest *setup, int interval) -{ - int stat = 0; - int maxsize = usb_maxpacket(dev, pipe); - int timeout; - - /* device pulled? Shortcut the action. */ - if (devgone == dev) { - dev->status = USB_ST_CRC_ERR; - return 0; - } - -#ifdef DEBUG - urb_priv.actual_length = 0; - pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe)); -#else - wait_ms(1); -#endif - if (!maxsize) { - err("submit_common_message: pipesize for pipe %lx is zero", - pipe); - return -1; - } - - if (sohci_submit_job(dev, pipe, buffer, transfer_len, setup, interval) < 0) { - err("sohci_submit_job failed"); - return -1; - } - - wait_ms(10); - /* ohci_dump_status(&gohci); */ - - /* allow more time for a BULK device to react - some are slow */ -#define BULK_TO 5000 /* timeout in milliseconds */ - if (usb_pipetype (pipe) == PIPE_BULK) - timeout = BULK_TO; - else - timeout = 100; - - /* wait for it to complete */ - for (;;) { - /* check whether the controller is done */ - stat = hc_interrupt(); - if (stat < 0) { - stat = USB_ST_CRC_ERR; - break; - } - if (stat >= 0 && stat != 0xff) { - /* 0xff is returned for an SF-interrupt */ - break; - } - if (--timeout) { - wait_ms(1); - } else { - err("CTL:TIMEOUT "); - stat = USB_ST_CRC_ERR; - break; - } - } - /* we got an Root Hub Status Change interrupt */ - if (got_rhsc) { -#ifdef DEBUG - ohci_dump_roothub (&gohci, 1); -#endif - got_rhsc = 0; - /* abuse timeout */ - timeout = rh_check_port_status(&gohci); - if (timeout >= 0) { -#if 0 /* this does nothing useful, but leave it here in case that changes */ - /* the called routine adds 1 to the passed value */ - usb_hub_port_connect_change(gohci.rh.dev, timeout - 1); -#endif - /* - * XXX - * This is potentially dangerous because it assumes - * that only one device is ever plugged in! - */ - devgone = dev; - } - } - - dev->status = stat; - dev->act_len = transfer_len; - -#ifdef DEBUG - pkt_print(dev, pipe, buffer, transfer_len, setup, "RET(ctlr)", usb_pipein(pipe)); -#else - wait_ms(1); -#endif - - /* free TDs in urb_priv */ - urb_free_priv (&urb_priv); - return 0; -} - -/* submit routines called from usb.c */ -int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer, - int transfer_len) -{ - info("submit_bulk_msg"); - return submit_common_msg(dev, pipe, buffer, transfer_len, NULL, 0); -} - -int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, - int transfer_len, struct devrequest *setup) -{ - int maxsize = usb_maxpacket(dev, pipe); - - info("submit_control_msg"); -#ifdef DEBUG - urb_priv.actual_length = 0; - pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe)); -#else - wait_ms(1); -#endif - if (!maxsize) { - err("submit_control_message: pipesize for pipe %lx is zero", - pipe); - return -1; - } - if (((pipe >> 8) & 0x7f) == gohci.rh.devnum) { - gohci.rh.dev = dev; - /* root hub - redirect */ - return ohci_submit_rh_msg(dev, pipe, buffer, transfer_len, - setup); - } - - return submit_common_msg(dev, pipe, buffer, transfer_len, setup, 0); -} - -int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, - int transfer_len, int interval) -{ - info("submit_int_msg"); - return -1; -} - -/*-------------------------------------------------------------------------* - * HC functions - *-------------------------------------------------------------------------*/ - -/* reset the HC and BUS */ - -static int hc_reset (ohci_t *ohci) -{ - int timeout = 30; - int smm_timeout = 50; /* 0,5 sec */ - - dbg("%s\n", __FUNCTION__); - - if (readl (&ohci->regs->control) & OHCI_CTRL_IR) { /* SMM owns the HC */ - writel (OHCI_OCR, &ohci->regs->cmdstatus); /* request ownership */ - info("USB HC TakeOver from SMM"); - while (readl (&ohci->regs->control) & OHCI_CTRL_IR) { - wait_ms (10); - if (--smm_timeout == 0) { - err("USB HC TakeOver failed!"); - return -1; - } - } - } - - /* Disable HC interrupts */ - writel (OHCI_INTR_MIE, &ohci->regs->intrdisable); - - dbg("USB HC reset_hc usb-%s: ctrl = 0x%X ;\n", - ohci->slot_name, - readl(&ohci->regs->control)); - - /* Reset USB (needed by some controllers) */ - writel (0, &ohci->regs->control); - - /* HC Reset requires max 10 us delay */ - writel (OHCI_HCR, &ohci->regs->cmdstatus); - while ((readl (&ohci->regs->cmdstatus) & OHCI_HCR) != 0) { - if (--timeout == 0) { - err("USB HC reset timed out!"); - return -1; - } - udelay (1); - } - return 0; -} - -/*-------------------------------------------------------------------------*/ - -/* Start an OHCI controller, set the BUS operational - * enable interrupts - * connect the virtual root hub */ - -static int hc_start (ohci_t * ohci) -{ - __u32 mask; - unsigned int fminterval; - - ohci->disabled = 1; - - /* Tell the controller where the control and bulk lists are - * The lists are empty now. */ - - writel (0, &ohci->regs->ed_controlhead); - writel (0, &ohci->regs->ed_bulkhead); - - writel ((__u32)ohci->hcca, &ohci->regs->hcca); /* a reset clears this */ - - fminterval = 0x2edf; - writel ((fminterval * 9) / 10, &ohci->regs->periodicstart); - fminterval |= ((((fminterval - 210) * 6) / 7) << 16); - writel (fminterval, &ohci->regs->fminterval); - writel (0x628, &ohci->regs->lsthresh); - - /* start controller operations */ - ohci->hc_control = OHCI_CONTROL_INIT | OHCI_USB_OPER; - ohci->disabled = 0; - writel (ohci->hc_control, &ohci->regs->control); - - /* disable all interrupts */ - mask = (OHCI_INTR_SO | OHCI_INTR_WDH | OHCI_INTR_SF | OHCI_INTR_RD | - OHCI_INTR_UE | OHCI_INTR_FNO | OHCI_INTR_RHSC | - OHCI_INTR_OC | OHCI_INTR_MIE); - writel (mask, &ohci->regs->intrdisable); - /* clear all interrupts */ - mask &= ~OHCI_INTR_MIE; - writel (mask, &ohci->regs->intrstatus); - /* Choose the interrupts we care about now - but w/o MIE */ - mask = OHCI_INTR_RHSC | OHCI_INTR_UE | OHCI_INTR_WDH | OHCI_INTR_SO; - writel (mask, &ohci->regs->intrenable); - -#ifdef OHCI_USE_NPS - /* required for AMD-756 and some Mac platforms */ - writel ((roothub_a (ohci) | RH_A_NPS) & ~RH_A_PSM, - &ohci->regs->roothub.a); - writel (RH_HS_LPSC, &ohci->regs->roothub.status); -#endif /* OHCI_USE_NPS */ - -#define mdelay(n) ({unsigned long msec=(n); while (msec--) udelay(1000);}) - /* POTPGT delay is bits 24-31, in 2 ms units. */ - mdelay ((roothub_a (ohci) >> 23) & 0x1fe); - - /* connect the virtual root hub */ - ohci->rh.devnum = 0; - - return 0; -} - -/*-------------------------------------------------------------------------*/ - -/* an interrupt happens */ - -static int -hc_interrupt (void) -{ - ohci_t *ohci = &gohci; - struct ohci_regs *regs = ohci->regs; - int ints; - int stat = -1; - - if ((ohci->hcca->done_head != 0) && !(m32_swap (ohci->hcca->done_head) & 0x01)) { - ints = OHCI_INTR_WDH; - } else { - ints = readl (®s->intrstatus); - } - - /* dbg("Interrupt: %x frame: %x", ints, le16_to_cpu (ohci->hcca->frame_no)); */ - - if (ints & OHCI_INTR_RHSC) { - got_rhsc = 1; - } - - if (ints & OHCI_INTR_UE) { - ohci->disabled++; - err ("OHCI Unrecoverable Error, controller usb-%s disabled", - ohci->slot_name); - /* e.g. due to PCI Master/Target Abort */ - -#ifdef DEBUG - ohci_dump (ohci, 1); -#else - wait_ms(1); -#endif - /* FIXME: be optimistic, hope that bug won't repeat often. */ - /* Make some non-interrupt context restart the controller. */ - /* Count and limit the retries though; either hardware or */ - /* software errors can go forever... */ - hc_reset (ohci); - return -1; - } - - if (ints & OHCI_INTR_WDH) { - wait_ms(1); - writel (OHCI_INTR_WDH, ®s->intrdisable); - stat = dl_done_list (&gohci, dl_reverse_done_list (&gohci)); - writel (OHCI_INTR_WDH, ®s->intrenable); - } - - if (ints & OHCI_INTR_SO) { - dbg("USB Schedule overrun\n"); - writel (OHCI_INTR_SO, ®s->intrenable); - stat = -1; - } - - /* FIXME: this assumes SOF (1/ms) interrupts don't get lost... */ - if (ints & OHCI_INTR_SF) { - unsigned int frame = m16_swap (ohci->hcca->frame_no) & 1; - wait_ms(1); - writel (OHCI_INTR_SF, ®s->intrdisable); - if (ohci->ed_rm_list[frame] != NULL) - writel (OHCI_INTR_SF, ®s->intrenable); - stat = 0xff; - } - - writel (ints, ®s->intrstatus); - return stat; -} - -/*-------------------------------------------------------------------------*/ - -/*-------------------------------------------------------------------------*/ - -/* De-allocate all resources.. */ - -static void hc_release_ohci (ohci_t *ohci) -{ - dbg ("USB HC release ohci usb-%s", ohci->slot_name); - - if (!ohci->disabled) - hc_reset (ohci); -} - -/*-------------------------------------------------------------------------*/ - -/* - * low level initalisation routine, called from usb.c - */ -static char ohci_inited = 0; - -int usb_lowlevel_init(void) -{ - /* - * Enable USB host clock. - */ - *AT91C_PMC_SCER = AT91C_PMC_UHP; /* 48MHz clock enabled for UHP */ - *AT91C_PMC_PCER = 1 << AT91C_ID_UHP; /* Peripheral Clock Enable Register */ - - memset (&gohci, 0, sizeof (ohci_t)); - memset (&urb_priv, 0, sizeof (urb_priv_t)); - - /* align the storage */ - if ((__u32)&ghcca[0] & 0xff) { - err("HCCA not aligned!!"); - return -1; - } - phcca = &ghcca[0]; - info("aligned ghcca %p", phcca); - memset(&ohci_dev, 0, sizeof(struct ohci_device)); - if ((__u32)&ohci_dev.ed[0] & 0x7) { - err("EDs not aligned!!"); - return -1; - } - memset(gtd, 0, sizeof(td_t) * (NUM_TD + 1)); - if ((__u32)gtd & 0x7) { - err("TDs not aligned!!"); - return -1; - } - ptd = gtd; - gohci.hcca = phcca; - memset (phcca, 0, sizeof (struct ohci_hcca)); - - gohci.disabled = 1; - gohci.sleeping = 0; - gohci.irq = -1; - gohci.regs = (struct ohci_regs *)AT91_USB_HOST_BASE; - - gohci.flags = 0; - gohci.slot_name = "at91rm9200"; - - if (hc_reset (&gohci) < 0) { - hc_release_ohci (&gohci); - /* Initialization failed */ - *AT91C_PMC_PCER = AT91C_ID_UHP; - *AT91C_PMC_SCDR = 1 << AT91C_PMC_UHP; /* 48MHz clock disabled for UHP */ - return -1; - } - - /* FIXME this is a second HC reset; why?? */ -/* writel (gohci.hc_control = OHCI_USB_RESET, &gohci.regs->control); - wait_ms (10);*/ - - if (hc_start (&gohci) < 0) { - err ("can't start usb-%s", gohci.slot_name); - hc_release_ohci (&gohci); - /* Initialization failed */ - *AT91C_PMC_PCER = AT91C_ID_UHP; - *AT91C_PMC_SCDR = 1 << AT91C_PMC_UHP; /* 48MHz clock disabled for UHP */ - return -1; - } - -#ifdef DEBUG - ohci_dump (&gohci, 1); -#else - wait_ms(1); -#endif - ohci_inited = 1; - return 0; -} - -int usb_lowlevel_stop(void) -{ - /* this gets called really early - before the controller has */ - /* even been initialized! */ - if (!ohci_inited) - return 0; - /* TODO release any interrupts, etc. */ - /* call hc_release_ohci() here ? */ - hc_reset (&gohci); - /* may not want to do this */ - *AT91C_PMC_PCER = 1 << AT91C_ID_UHP; - *AT91C_PMC_SCDR = 1 << AT91C_PMC_UHP; /* 48MHz clock disabled for UHP */ - return 0; -} - -#endif /* CONFIG_USB_OHCI */ diff --git a/cpu/arm920t/at91rm9200/usb_ohci.h b/cpu/arm920t/at91rm9200/usb_ohci.h deleted file mode 100644 index ecb4e937b..000000000 --- a/cpu/arm920t/at91rm9200/usb_ohci.h +++ /dev/null @@ -1,419 +0,0 @@ -/* - * URB OHCI HCD (Host Controller Driver) for USB. - * - * (C) Copyright 1999 Roman Weissgaerber - * (C) Copyright 2000-2001 David Brownell - * - * usb-ohci.h - */ - - -static int cc_to_error[16] = { - -/* mapping of the OHCI CC status to error codes */ - /* No Error */ 0, - /* CRC Error */ USB_ST_CRC_ERR, - /* Bit Stuff */ USB_ST_BIT_ERR, - /* Data Togg */ USB_ST_CRC_ERR, - /* Stall */ USB_ST_STALLED, - /* DevNotResp */ -1, - /* PIDCheck */ USB_ST_BIT_ERR, - /* UnExpPID */ USB_ST_BIT_ERR, - /* DataOver */ USB_ST_BUF_ERR, - /* DataUnder */ USB_ST_BUF_ERR, - /* reservd */ -1, - /* reservd */ -1, - /* BufferOver */ USB_ST_BUF_ERR, - /* BuffUnder */ USB_ST_BUF_ERR, - /* Not Access */ -1, - /* Not Access */ -1 -}; - -/* ED States */ - -#define ED_NEW 0x00 -#define ED_UNLINK 0x01 -#define ED_OPER 0x02 -#define ED_DEL 0x04 -#define ED_URB_DEL 0x08 - -/* usb_ohci_ed */ -struct ed { - __u32 hwINFO; - __u32 hwTailP; - __u32 hwHeadP; - __u32 hwNextED; - - struct ed *ed_prev; - __u8 int_period; - __u8 int_branch; - __u8 int_load; - __u8 int_interval; - __u8 state; - __u8 type; - __u16 last_iso; - struct ed *ed_rm_list; - - struct usb_device *usb_dev; - __u32 unused[3]; -} __attribute((aligned(16))); -typedef struct ed ed_t; - - -/* TD info field */ -#define TD_CC 0xf0000000 -#define TD_CC_GET(td_p) ((td_p >>28) & 0x0f) -#define TD_CC_SET(td_p, cc) (td_p) = ((td_p) & 0x0fffffff) | (((cc) & 0x0f) << 28) -#define TD_EC 0x0C000000 -#define TD_T 0x03000000 -#define TD_T_DATA0 0x02000000 -#define TD_T_DATA1 0x03000000 -#define TD_T_TOGGLE 0x00000000 -#define TD_R 0x00040000 -#define TD_DI 0x00E00000 -#define TD_DI_SET(X) (((X) & 0x07)<< 21) -#define TD_DP 0x00180000 -#define TD_DP_SETUP 0x00000000 -#define TD_DP_IN 0x00100000 -#define TD_DP_OUT 0x00080000 - -#define TD_ISO 0x00010000 -#define TD_DEL 0x00020000 - -/* CC Codes */ -#define TD_CC_NOERROR 0x00 -#define TD_CC_CRC 0x01 -#define TD_CC_BITSTUFFING 0x02 -#define TD_CC_DATATOGGLEM 0x03 -#define TD_CC_STALL 0x04 -#define TD_DEVNOTRESP 0x05 -#define TD_PIDCHECKFAIL 0x06 -#define TD_UNEXPECTEDPID 0x07 -#define TD_DATAOVERRUN 0x08 -#define TD_DATAUNDERRUN 0x09 -#define TD_BUFFEROVERRUN 0x0C -#define TD_BUFFERUNDERRUN 0x0D -#define TD_NOTACCESSED 0x0F - - -#define MAXPSW 1 - -struct td { - __u32 hwINFO; - __u32 hwCBP; /* Current Buffer Pointer */ - __u32 hwNextTD; /* Next TD Pointer */ - __u32 hwBE; /* Memory Buffer End Pointer */ - - __u16 hwPSW[MAXPSW]; - __u8 unused; - __u8 index; - struct ed *ed; - struct td *next_dl_td; - struct usb_device *usb_dev; - int transfer_len; - __u32 data; - - __u32 unused2[2]; -} __attribute((aligned(32))); -typedef struct td td_t; - -#define OHCI_ED_SKIP (1 << 14) - -/* - * The HCCA (Host Controller Communications Area) is a 256 byte - * structure defined in the OHCI spec. that the host controller is - * told the base address of. It must be 256-byte aligned. - */ - -#define NUM_INTS 32 /* part of the OHCI standard */ -struct ohci_hcca { - __u32 int_table[NUM_INTS]; /* Interrupt ED table */ - __u16 frame_no; /* current frame number */ - __u16 pad1; /* set to 0 on each frame_no change */ - __u32 done_head; /* info returned for an interrupt */ - u8 reserved_for_hc[116]; -} __attribute((aligned(256))); - - -/* - * Maximum number of root hub ports. - */ -#define MAX_ROOT_PORTS 15 /* maximum OHCI root hub ports */ - -/* - * This is the structure of the OHCI controller's memory mapped I/O - * region. This is Memory Mapped I/O. You must use the readl() and - * writel() macros defined in asm/io.h to access these!! - */ -struct ohci_regs { - /* control and status registers */ - __u32 revision; - __u32 control; - __u32 cmdstatus; - __u32 intrstatus; - __u32 intrenable; - __u32 intrdisable; - /* memory pointers */ - __u32 hcca; - __u32 ed_periodcurrent; - __u32 ed_controlhead; - __u32 ed_controlcurrent; - __u32 ed_bulkhead; - __u32 ed_bulkcurrent; - __u32 donehead; - /* frame counters */ - __u32 fminterval; - __u32 fmremaining; - __u32 fmnumber; - __u32 periodicstart; - __u32 lsthresh; - /* Root hub ports */ - struct ohci_roothub_regs { - __u32 a; - __u32 b; - __u32 status; - __u32 portstatus[MAX_ROOT_PORTS]; - } roothub; -} __attribute((aligned(32))); - - -/* OHCI CONTROL AND STATUS REGISTER MASKS */ - -/* - * HcControl (control) register masks - */ -#define OHCI_CTRL_CBSR (3 << 0) /* control/bulk service ratio */ -#define OHCI_CTRL_PLE (1 << 2) /* periodic list enable */ -#define OHCI_CTRL_IE (1 << 3) /* isochronous enable */ -#define OHCI_CTRL_CLE (1 << 4) /* control list enable */ -#define OHCI_CTRL_BLE (1 << 5) /* bulk list enable */ -#define OHCI_CTRL_HCFS (3 << 6) /* host controller functional state */ -#define OHCI_CTRL_IR (1 << 8) /* interrupt routing */ -#define OHCI_CTRL_RWC (1 << 9) /* remote wakeup connected */ -#define OHCI_CTRL_RWE (1 << 10) /* remote wakeup enable */ - -/* pre-shifted values for HCFS */ -# define OHCI_USB_RESET (0 << 6) -# define OHCI_USB_RESUME (1 << 6) -# define OHCI_USB_OPER (2 << 6) -# define OHCI_USB_SUSPEND (3 << 6) - -/* - * HcCommandStatus (cmdstatus) register masks - */ -#define OHCI_HCR (1 << 0) /* host controller reset */ -#define OHCI_CLF (1 << 1) /* control list filled */ -#define OHCI_BLF (1 << 2) /* bulk list filled */ -#define OHCI_OCR (1 << 3) /* ownership change request */ -#define OHCI_SOC (3 << 16) /* scheduling overrun count */ - -/* - * masks used with interrupt registers: - * HcInterruptStatus (intrstatus) - * HcInterruptEnable (intrenable) - * HcInterruptDisable (intrdisable) - */ -#define OHCI_INTR_SO (1 << 0) /* scheduling overrun */ -#define OHCI_INTR_WDH (1 << 1) /* writeback of done_head */ -#define OHCI_INTR_SF (1 << 2) /* start frame */ -#define OHCI_INTR_RD (1 << 3) /* resume detect */ -#define OHCI_INTR_UE (1 << 4) /* unrecoverable error */ -#define OHCI_INTR_FNO (1 << 5) /* frame number overflow */ -#define OHCI_INTR_RHSC (1 << 6) /* root hub status change */ -#define OHCI_INTR_OC (1 << 30) /* ownership change */ -#define OHCI_INTR_MIE (1 << 31) /* master interrupt enable */ - - -/* Virtual Root HUB */ -struct virt_root_hub { - int devnum; /* Address of Root Hub endpoint */ - void *dev; /* was urb */ - void *int_addr; - int send; - int interval; -}; - -/* USB HUB CONSTANTS (not OHCI-specific; see hub.h) */ - -/* destination of request */ -#define RH_INTERFACE 0x01 -#define RH_ENDPOINT 0x02 -#define RH_OTHER 0x03 - -#define RH_CLASS 0x20 -#define RH_VENDOR 0x40 - -/* Requests: bRequest << 8 | bmRequestType */ -#define RH_GET_STATUS 0x0080 -#define RH_CLEAR_FEATURE 0x0100 -#define RH_SET_FEATURE 0x0300 -#define RH_SET_ADDRESS 0x0500 -#define RH_GET_DESCRIPTOR 0x0680 -#define RH_SET_DESCRIPTOR 0x0700 -#define RH_GET_CONFIGURATION 0x0880 -#define RH_SET_CONFIGURATION 0x0900 -#define RH_GET_STATE 0x0280 -#define RH_GET_INTERFACE 0x0A80 -#define RH_SET_INTERFACE 0x0B00 -#define RH_SYNC_FRAME 0x0C80 -/* Our Vendor Specific Request */ -#define RH_SET_EP 0x2000 - - -/* Hub port features */ -#define RH_PORT_CONNECTION 0x00 -#define RH_PORT_ENABLE 0x01 -#define RH_PORT_SUSPEND 0x02 -#define RH_PORT_OVER_CURRENT 0x03 -#define RH_PORT_RESET 0x04 -#define RH_PORT_POWER 0x08 -#define RH_PORT_LOW_SPEED 0x09 - -#define RH_C_PORT_CONNECTION 0x10 -#define RH_C_PORT_ENABLE 0x11 -#define RH_C_PORT_SUSPEND 0x12 -#define RH_C_PORT_OVER_CURRENT 0x13 -#define RH_C_PORT_RESET 0x14 - -/* Hub features */ -#define RH_C_HUB_LOCAL_POWER 0x00 -#define RH_C_HUB_OVER_CURRENT 0x01 - -#define RH_DEVICE_REMOTE_WAKEUP 0x00 -#define RH_ENDPOINT_STALL 0x01 - -#define RH_ACK 0x01 -#define RH_REQ_ERR -1 -#define RH_NACK 0x00 - - -/* OHCI ROOT HUB REGISTER MASKS */ - -/* roothub.portstatus [i] bits */ -#define RH_PS_CCS 0x00000001 /* current connect status */ -#define RH_PS_PES 0x00000002 /* port enable status*/ -#define RH_PS_PSS 0x00000004 /* port suspend status */ -#define RH_PS_POCI 0x00000008 /* port over current indicator */ -#define RH_PS_PRS 0x00000010 /* port reset status */ -#define RH_PS_PPS 0x00000100 /* port power status */ -#define RH_PS_LSDA 0x00000200 /* low speed device attached */ -#define RH_PS_CSC 0x00010000 /* connect status change */ -#define RH_PS_PESC 0x00020000 /* port enable status change */ -#define RH_PS_PSSC 0x00040000 /* port suspend status change */ -#define RH_PS_OCIC 0x00080000 /* over current indicator change */ -#define RH_PS_PRSC 0x00100000 /* port reset status change */ - -/* roothub.status bits */ -#define RH_HS_LPS 0x00000001 /* local power status */ -#define RH_HS_OCI 0x00000002 /* over current indicator */ -#define RH_HS_DRWE 0x00008000 /* device remote wakeup enable */ -#define RH_HS_LPSC 0x00010000 /* local power status change */ -#define RH_HS_OCIC 0x00020000 /* over current indicator change */ -#define RH_HS_CRWE 0x80000000 /* clear remote wakeup enable */ - -/* roothub.b masks */ -#define RH_B_DR 0x0000ffff /* device removable flags */ -#define RH_B_PPCM 0xffff0000 /* port power control mask */ - -/* roothub.a masks */ -#define RH_A_NDP (0xff << 0) /* number of downstream ports */ -#define RH_A_PSM (1 << 8) /* power switching mode */ -#define RH_A_NPS (1 << 9) /* no power switching */ -#define RH_A_DT (1 << 10) /* device type (mbz) */ -#define RH_A_OCPM (1 << 11) /* over current protection mode */ -#define RH_A_NOCP (1 << 12) /* no over current protection */ -#define RH_A_POTPGT (0xff << 24) /* power on to power good time */ - -/* urb */ -#define N_URB_TD 48 -typedef struct -{ - ed_t *ed; - __u16 length; /* number of tds associated with this request */ - __u16 td_cnt; /* number of tds already serviced */ - int state; - unsigned long pipe; - int actual_length; - td_t *td[N_URB_TD]; /* list pointer to all corresponding TDs associated with this request */ -} urb_priv_t; -#define URB_DEL 1 - -/* - * This is the full ohci controller description - * - * Note how the "proper" USB information is just - * a subset of what the full implementation needs. (Linus) - */ - - -typedef struct ohci { - struct ohci_hcca *hcca; /* hcca */ - /*dma_addr_t hcca_dma;*/ - - int irq; - int disabled; /* e.g. got a UE, we're hung */ - int sleeping; - unsigned long flags; /* for HC bugs */ - - struct ohci_regs *regs; /* OHCI controller's memory */ - - ed_t *ed_rm_list[2]; /* lists of all endpoints to be removed */ - ed_t *ed_bulktail; /* last endpoint of bulk list */ - ed_t *ed_controltail; /* last endpoint of control list */ - int intrstatus; - __u32 hc_control; /* copy of the hc control reg */ - struct usb_device *dev[32]; - struct virt_root_hub rh; - - const char *slot_name; -} ohci_t; - -#define NUM_EDS 8 /* num of preallocated endpoint descriptors */ - -struct ohci_device { - ed_t ed[NUM_EDS]; - int ed_cnt; -}; - -/* hcd */ -/* endpoint */ -static int ep_link(ohci_t * ohci, ed_t * ed); -static int ep_unlink(ohci_t * ohci, ed_t * ed); -static ed_t * ep_add_ed(struct usb_device * usb_dev, unsigned long pipe); - -/*-------------------------------------------------------------------------*/ - -/* we need more TDs than EDs */ -#define NUM_TD 64 - -/* +1 so we can align the storage */ -td_t gtd[NUM_TD+1]; -/* pointers to aligned storage */ -td_t *ptd; - -/* TDs ... */ -static inline struct td * -td_alloc (struct usb_device *usb_dev) -{ - int i; - struct td *td; - - td = NULL; - for (i = 0; i < NUM_TD; i++) - { - if (ptd[i].usb_dev == NULL) - { - td = &ptd[i]; - td->usb_dev = usb_dev; - break; - } - } - - return td; -} - -static inline void -ed_free (struct ed *ed) -{ - ed->usb_dev = NULL; -} diff --git a/cpu/pxa/usb.c b/cpu/pxa/usb.c index e89391cf5..171615704 100644 --- a/cpu/pxa/usb.c +++ b/cpu/pxa/usb.c @@ -22,10 +22,12 @@ */ #include -#include -#ifdef CFG_USB_CPU_INIT +#if defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) # ifdef CONFIG_CPU_MONAHANS + +#include + int usb_cpu_init() { /* Enable USB host clock. */ @@ -68,4 +70,4 @@ int usb_cpu_stop() return 0; } # endif /* CONFIG_CPU_MONAHANS */ -#endif /* CFG_USB_CPU_INIT */ +#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */ diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c index f5af7192f..c32245a24 100644 --- a/drivers/usb_ohci.c +++ b/drivers/usb_ohci.c @@ -1552,13 +1552,13 @@ static char ohci_inited = 0; int usb_lowlevel_init(void) { -#if CFG_USB_CPU_INIT +#if CFG_USB_OHCI_CPU_INIT /* cpu dependant init */ if(usb_cpu_init()) return -1; #endif -#if CFG_USB_BOARD_INIT +#if CFG_USB_OHCI_BOARD_INIT /* board dependant init */ if(usb_board_init()) return -1; @@ -1593,18 +1593,18 @@ int usb_lowlevel_init(void) gohci.regs = (struct ohci_regs *)CFG_USB_OHCI_REGS_BASE; gohci.flags = 0; - gohci.slot_name = CFG_USB_SLOT_NAME; + gohci.slot_name = CFG_USB_OHCI_SLOT_NAME; if (hc_reset (&gohci) < 0) { hc_release_ohci (&gohci); err ("can't reset usb-%s", gohci.slot_name); /* Initialization failed disable clocks */ -#if CFG_USB_BOARD_INIT +#if CFG_USB_OHCI_BOARD_INIT /* board dependant cleanup */ usb_board_stop(); #endif -#if CFG_USB_CPU_INIT +#if CFG_USB_OHCI_CPU_INIT /* cpu dependant cleanup */ usb_cpu_stop(); #endif @@ -1618,12 +1618,12 @@ int usb_lowlevel_init(void) err ("can't start usb-%s", gohci.slot_name); hc_release_ohci (&gohci); /* Initialization failed */ -#if CFG_USB_BOARD_INIT +#if CFG_USB_OHCI_BOARD_INIT /* board dependant cleanup */ usb_board_stop(); #endif -#if CFG_USB_CPU_INIT +#if CFG_USB_OHCI_CPU_INIT /* cpu dependant cleanup */ usb_cpu_stop(); #endif @@ -1649,13 +1649,13 @@ int usb_lowlevel_stop(void) /* call hc_release_ohci() here ? */ hc_reset (&gohci); -#if CFG_USB_BOARD_INIT +#if CFG_USB_OHCI_BOARD_INIT /* board dependant cleanup */ if(usb_board_stop()) return -1; #endif -#if CFG_USB_CPU_INIT +#if CFG_USB_OHCI_CPU_INIT /* cpu dependant cleanup */ if(usb_cpu_stop()) return -1; diff --git a/include/configs/delta.h b/include/configs/delta.h index e6b05e059..fea821ab9 100644 --- a/include/configs/delta.h +++ b/include/configs/delta.h @@ -107,10 +107,10 @@ #define CONFIG_USB_STORAGE 1 #define CONFIG_DOS_PARTITION 1 -#undef CFG_USB_BOARD_INIT -#define CFG_USB_CPU_INIT 1 +#undef CFG_USB_OHCI_BOARD_INIT +#define CFG_USB_OHCI_CPU_INIT 1 #define CFG_USB_OHCI_REGS_BASE OHCI_REGS_BASE -#define CFG_USB_SLOT_NAME "delta" +#define CFG_USB_OHCI_SLOT_NAME "delta" #define LITTLEENDIAN 1 /* used by usb_ohci.c */ diff --git a/include/configs/mp2usb.h b/include/configs/mp2usb.h index 04f1f2408..edb20f8d8 100644 --- a/include/configs/mp2usb.h +++ b/include/configs/mp2usb.h @@ -107,6 +107,11 @@ #define CONFIG_DOS_PARTITION 1 #define CONFIG_AT91C_PQFP_UHPBUG 1 +#undef CFG_USB_OHCI_BOARD_INIT +#define CFG_USB_OHCI_CPU_INIT 1 +#define CFG_USB_OHCI_REGS_BASE AT91_USB_HOST_BASE +#define CFG_USB_OHCI_SLOT_NAME "at91rm9200" + #undef CONFIG_HARD_I2C #ifdef CONFIG_HARD_I2C @@ -127,7 +132,7 @@ #define CONFIG_COMMANDS \ ((CONFIG_CMD_DFL | \ CFG_CMD_DATE | \ - CFG_CMD_DHCP | \ + CFG_CMD_DHCP | \ CFG_CMD_EEPROM | \ CFG_CMD_I2C | \ CFG_CMD_NFS | \ @@ -136,7 +141,7 @@ #else #define CONFIG_COMMANDS \ ((CONFIG_CMD_DFL | \ - CFG_CMD_DHCP | \ + CFG_CMD_DHCP | \ CFG_CMD_NFS | \ CFG_CMD_SNTP | \ CFG_CMD_USB | \ @@ -156,7 +161,7 @@ #define CONFIG_NR_DRAM_BANKS 1 #define PHYS_SDRAM 0x20000000 -#define PHYS_SDRAM_SIZE 0x08000000 /* 128 megs */ +#define PHYS_SDRAM_SIZE 0x08000000 /* 128 megs */ #define CFG_MEMTEST_START PHYS_SDRAM #define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 262144 -- cgit v1.2.3-70-g09d2 From ddf83a2fcef1a670c45fc585119dcc1fe062c4a9 Mon Sep 17 00:00:00 2001 From: Markus Klotzbuecher Date: Tue, 30 May 2006 16:56:14 +0200 Subject: Support generic OHCI support for the s3c24x0 cpu. --- cpu/arm920t/at91rm9200/usb.c | 6 ++ cpu/arm920t/s3c24x0/Makefile | 2 +- cpu/arm920t/s3c24x0/usb.c | 72 +++++++++++++++++++++++ cpu/pxa/usb.c | 5 ++ drivers/usb_ohci.c | 133 +++++++++++++++++++++++++++++++++++-------- drivers/usb_ohci.h | 2 + include/configs/trab.h | 5 ++ 7 files changed, 199 insertions(+), 26 deletions(-) create mode 100644 cpu/arm920t/s3c24x0/usb.c (limited to 'drivers/usb_ohci.c') diff --git a/cpu/arm920t/at91rm9200/usb.c b/cpu/arm920t/at91rm9200/usb.c index 7b83f23eb..98e3cdd58 100644 --- a/cpu/arm920t/at91rm9200/usb.c +++ b/cpu/arm920t/at91rm9200/usb.c @@ -43,5 +43,11 @@ int usb_cpu_stop() *AT91C_PMC_SCDR = AT91C_PMC_UHP; /* 48MHz clock disabled for UHP */ return 0; } + +int usb_cpu_init_fail() +{ + usb_cpu_stop(); +} + # endif /* CONFIG_AT91RM9200 */ #endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */ diff --git a/cpu/arm920t/s3c24x0/Makefile b/cpu/arm920t/s3c24x0/Makefile index af9e4effc..f81f84dd2 100644 --- a/cpu/arm920t/s3c24x0/Makefile +++ b/cpu/arm920t/s3c24x0/Makefile @@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk LIB = lib$(SOC).a OBJS = i2c.o interrupts.o serial.o speed.o \ - usb_ohci.o + usb.o all: .depend $(LIB) diff --git a/cpu/arm920t/s3c24x0/usb.c b/cpu/arm920t/s3c24x0/usb.c new file mode 100644 index 000000000..8114034cc --- /dev/null +++ b/cpu/arm920t/s3c24x0/usb.c @@ -0,0 +1,72 @@ +/* + * (C) Copyright 2006 + * DENX Software Engineering + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include + +#if defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) +# if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) + +#if defined(CONFIG_S3C2400) +# include +#elif defined(CONFIG_S3C2410) +# include +#endif + +int usb_cpu_init() +{ + + S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER(); + S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO(); + + /* + * Set the 48 MHz UPLL clocking. Values are taken from + * "PLL value selection guide", 6-23, s3c2400_UM.pdf. + */ + clk_power->UPLLCON = ((40 << 12) + (1 << 4) + 2); + gpio->MISCCR |= 0x8; /* 1 = use pads related USB for USB host */ + + /* + * Enable USB host clock. + */ + clk_power->CLKCON |= (1 << 4); + + return 0; +} + +int usb_cpu_stop() +{ + S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER(); + /* may not want to do this */ + clk_power->CLKCON &= ~(1 << 4); + return 0; +} + +int usb_cpu_init_fail() +{ + S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER(); + clk_power->CLKCON &= ~(1 << 4); + return 0; +} + +# endif /* defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) */ +#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */ diff --git a/cpu/pxa/usb.c b/cpu/pxa/usb.c index 171615704..bff5bfb6a 100644 --- a/cpu/pxa/usb.c +++ b/cpu/pxa/usb.c @@ -66,8 +66,13 @@ int usb_cpu_stop() { /* may not want to do this */ /* CKENA &= ~(CKENA_2_USBHOST | CKENA_20_UDC); */ + return 0; +} +int usb_cpu_init_fail() +{ return 0; } + # endif /* CONFIG_CPU_MONAHANS */ #endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */ diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c index c32245a24..9b3ca1232 100644 --- a/drivers/usb_ohci.c +++ b/drivers/usb_ohci.c @@ -21,7 +21,7 @@ * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License @@ -45,13 +45,25 @@ #ifdef CONFIG_USB_OHCI -#include +#if defined(CONFIG_S3C2400) +# include +#elif defined(CONFIG_S3C2410) +# include +#elif defined(CONFIG_ARM920T) +# include +#elif defined(CONFIG_CPU_MONAHANS) +# include +#endif #include #include #include "usb_ohci.h" -#ifdef CONFIG_ARM920T +#undef S3C24X0_merge + +#if defined(CONFIG_ARM920T) || \ + defined(CONFIG_S3C2400) || \ + defined(CONFIG_S3C2410) # define OHCI_USE_NPS /* force NoPowerSwitching mode */ #endif @@ -98,6 +110,12 @@ int got_rhsc; /* device which was disconnected */ struct usb_device *devgone; +#ifdef S3C24X0_merge +/* flag guarding URB transation */ +int urb_finished = 0; +#endif + + /*-------------------------------------------------------------------------*/ /* AMD-756 (D2 rev) reports corrupt register contents in some cases. @@ -402,6 +420,17 @@ int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer, err("sohci_submit_job: EPIPE"); return -1; } +#ifdef S3C24X0_merge + /* if we have an unfinished URB from previous transaction let's + * fail and scream as quickly as possible so as not to corrupt + * further communication */ + if (!urb_finished) { + err("sohci_submit_job: URB NOT FINISHED"); + return -1; + } + /* we're about to begin a new transaction here so mark the URB unfinished */ + urb_finished = 0; +#endif /* every endpoint has a ed, locate and fill it */ if (!(ed = ep_add_ed (dev, pipe))) { @@ -574,12 +603,14 @@ static int ep_unlink (ohci_t *ohci, ed_t *ed) /*-------------------------------------------------------------------------*/ -/* add/reinit an endpoint; this should be done once at the usb_set_configuration command, - * but the USB stack is a little bit stateless so we do it at every transaction - * if the state of the ed is ED_NEW then a dummy td is added and the state is changed to ED_UNLINK - * in all other cases the state is left unchanged - * the ed info fields are setted anyway even though most of them should not change */ - +/* add/reinit an endpoint; this should be done once at the + * usb_set_configuration command, but the USB stack is a little bit + * stateless so we do it at every transaction if the state of the ed + * is ED_NEW then a dummy td is added and the state is changed to + * ED_UNLINK in all other cases the state is left unchanged the ed + * info fields are setted anyway even though most of them should not + * change + */ static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe) { td_t *td; @@ -663,7 +694,9 @@ static void td_fill (ohci_t *ohci, unsigned int info, else td->hwBE = 0; td->hwNextTD = m32_swap (td_pt); +#ifndef S3C24X0_merge td->hwPSW [0] = m16_swap (((__u32)data & 0x0FFF) | 0xE000); +#endif /* append to queue */ td->ed->hwTailP = td->hwNextTD; @@ -830,7 +863,18 @@ static int dl_done_list (ohci_t *ohci, td_t *td_list) dbg("ConditionCode %#x", cc); stat = cc_to_error[cc]; } - +#ifdef S3C24X0_merge + /* see if this done list makes for all TD's of current URB, + * and mark the URB finished if so */ + if (++(lurb_priv->td_cnt) == lurb_priv->length) { + if ((ed->state & (ED_OPER | ED_UNLINK))) + urb_finished = 1; + else + dbg("dl_done_list: strange.., ED state %x, ed->state\n"); + } else + dbg("dl_done_list: processing TD %x, len %x\n", lurb_priv->td_cnt, + lurb_priv->length); +#endif if (ed->state != ED_NEW) { edHeadP = m32_swap (ed->hwHeadP) & 0xfffffff0; edTailP = m32_swap (ed->hwTailP); @@ -1172,7 +1216,7 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); } len = min_t(unsigned int, leni, - min_t(unsigned int, data_buf [0], wLength)); + min_t(unsigned int, data_buf [0], wLength)); OK (len); } @@ -1260,18 +1304,38 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, stat = USB_ST_CRC_ERR; break; } + +#ifdef S3C24X0_merge + /* NOTE: since we are not interrupt driven in U-Boot and always + * handle only one URB at a time, we cannot assume the + * transaction finished on the first successful return from + * hc_interrupt().. unless the flag for current URB is set, + * meaning that all TD's to/from device got actually + * transferred and processed. If the current URB is not + * finished we need to re-iterate this loop so as + * hc_interrupt() gets called again as there needs to be some + * more TD's to process still */ + if ((stat >= 0) && (stat != 0xff) && (urb_finished)) { +#else if (stat >= 0 && stat != 0xff) { +#endif /* 0xff is returned for an SF-interrupt */ break; } + if (--timeout) { wait_ms(1); } else { err("CTL:TIMEOUT "); +#ifdef S3C24X0_merge + dbg("submit_common_msg: TO status %x\n", stat); + urb_finished = 1; +#endif stat = USB_ST_CRC_ERR; break; } } +#ifndef S3C24X0_merge /* we got an Root Hub Status Change interrupt */ if (got_rhsc) { #ifdef DEBUG @@ -1293,6 +1357,7 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, devgone = dev; } } +#endif /* S3C24X0_merge */ dev->status = stat; dev->act_len = transfer_len; @@ -1462,24 +1527,40 @@ static int hc_start (ohci_t * ohci) /* an interrupt happens */ -static int -hc_interrupt (void) +static int hc_interrupt (void) { ohci_t *ohci = &gohci; struct ohci_regs *regs = ohci->regs; int ints; int stat = -1; +#ifdef S3C24X0_merge + + if ((ohci->hcca->done_head != 0) && + !(m32_swap (ohci->hcca->done_head) & 0x01)) { + ints = OHCI_INTR_WDH; + } else if ((ints = readl (®s->intrstatus)) == ~(u32)0) { + ohci->disabled++; + err ("%s device removed!", ohci->slot_name); + return -1; + } else if ((ints &= readl (®s->intrenable)) == 0) { + dbg("hc_interrupt: returning..\n"); + return 0xff; + } +#else if ((ohci->hcca->done_head != 0) && !(m32_swap (ohci->hcca->done_head) & 0x01)) { ints = OHCI_INTR_WDH; } else { ints = readl (®s->intrstatus); } - +#endif /* dbg("Interrupt: %x frame: %x", ints, le16_to_cpu (ohci->hcca->frame_no)); */ if (ints & OHCI_INTR_RHSC) { got_rhsc = 1; +#ifdef S3C24X0_merge + stat = 0xff; +#endif } if (ints & OHCI_INTR_UE) { @@ -1552,13 +1633,13 @@ static char ohci_inited = 0; int usb_lowlevel_init(void) { -#if CFG_USB_OHCI_CPU_INIT +#ifdef CFG_USB_OHCI_CPU_INIT /* cpu dependant init */ if(usb_cpu_init()) return -1; #endif -#if CFG_USB_OHCI_BOARD_INIT +#ifdef CFG_USB_OHCI_BOARD_INIT /* board dependant init */ if(usb_board_init()) return -1; @@ -1598,15 +1679,14 @@ int usb_lowlevel_init(void) if (hc_reset (&gohci) < 0) { hc_release_ohci (&gohci); err ("can't reset usb-%s", gohci.slot_name); - /* Initialization failed disable clocks */ -#if CFG_USB_OHCI_BOARD_INIT +#ifdef CFG_USB_OHCI_BOARD_INIT /* board dependant cleanup */ - usb_board_stop(); + usb_board_init_fail(); #endif -#if CFG_USB_OHCI_CPU_INIT +#ifdef CFG_USB_OHCI_CPU_INIT /* cpu dependant cleanup */ - usb_cpu_stop(); + usb_cpu_init_fail(); #endif return -1; } @@ -1618,12 +1698,12 @@ int usb_lowlevel_init(void) err ("can't start usb-%s", gohci.slot_name); hc_release_ohci (&gohci); /* Initialization failed */ -#if CFG_USB_OHCI_BOARD_INIT +#ifdef CFG_USB_OHCI_BOARD_INIT /* board dependant cleanup */ usb_board_stop(); #endif -#if CFG_USB_OHCI_CPU_INIT +#ifdef CFG_USB_OHCI_CPU_INIT /* cpu dependant cleanup */ usb_cpu_stop(); #endif @@ -1634,6 +1714,9 @@ int usb_lowlevel_init(void) ohci_dump (&gohci, 1); #else wait_ms(1); +# ifdef S3C24X0_merge + urb_finished = 1; +# endif #endif ohci_inited = 1; return 0; @@ -1649,13 +1732,13 @@ int usb_lowlevel_stop(void) /* call hc_release_ohci() here ? */ hc_reset (&gohci); -#if CFG_USB_OHCI_BOARD_INIT +#ifdef CFG_USB_OHCI_BOARD_INIT /* board dependant cleanup */ if(usb_board_stop()) return -1; #endif -#if CFG_USB_OHCI_CPU_INIT +#ifdef CFG_USB_OHCI_CPU_INIT /* cpu dependant cleanup */ if(usb_cpu_stop()) return -1; diff --git a/drivers/usb_ohci.h b/drivers/usb_ohci.h index c37b5f600..a1b36ed83 100644 --- a/drivers/usb_ohci.h +++ b/drivers/usb_ohci.h @@ -11,11 +11,13 @@ #ifdef CFG_USB_BOARD_INIT extern int usb_board_init(void); extern int usb_board_stop(void); +extern int usb_cpu_init_fail(void); #endif #ifdef CFG_USB_CPU_INIT extern int usb_cpu_init(void); extern int usb_cpu_stop(void); +extern int usb_cpu_init_fail(void); #endif diff --git a/include/configs/trab.h b/include/configs/trab.h index 85ee756e0..b6d4bcf17 100644 --- a/include/configs/trab.h +++ b/include/configs/trab.h @@ -84,6 +84,11 @@ #define CONFIG_USB_STORAGE 1 #define CONFIG_DOS_PARTITION 1 +#undef CFG_USB_OHCI_BOARD_INIT +#define CFG_USB_OHCI_CPU_INIT 1 +#define CFG_USB_OHCI_REGS_BASE S3C24X0_USB_HOST_BASE +#define CFG_USB_OHCI_SLOT_NAME "s3c2400" + /* * Size of malloc() pool */ -- cgit v1.2.3-70-g09d2 From 53e336e9ffc51035bdc4e5867631b3378761b4df Mon Sep 17 00:00:00 2001 From: Markus Klotzbuecher Date: Mon, 27 Nov 2006 11:43:09 +0100 Subject: Modified the mpc5xxx and the ppc4xx cpu to use the generic OHCI driver and adapted board configs TQM5200 and yosemite accordingly. This commit also makes the maximum number of root hub ports configurable (CFG_USB_OHCI_MAX_ROOT_PORTS). --- cpu/mpc5xxx/Makefile | 2 +- cpu/ppc4xx/Makefile | 3 ++- drivers/usb_ohci.c | 13 +++++++++++-- drivers/usb_ohci.h | 13 +++++++++++-- include/configs/TQM5200.h | 7 +++++++ include/configs/delta.h | 1 + include/configs/mp2usb.h | 1 + include/configs/trab.h | 1 + include/configs/yosemite.h | 6 ++++++ 9 files changed, 41 insertions(+), 6 deletions(-) (limited to 'drivers/usb_ohci.c') diff --git a/cpu/mpc5xxx/Makefile b/cpu/mpc5xxx/Makefile index a97b62517..94f82b225 100644 --- a/cpu/mpc5xxx/Makefile +++ b/cpu/mpc5xxx/Makefile @@ -28,7 +28,7 @@ LIB = lib$(CPU).a START = start.o ASOBJS = io.o firmware_sc_task_bestcomm.impl.o firmware_sc_task.impl.o OBJS = i2c.o traps.o cpu.o cpu_init.o fec.o ide.o interrupts.o \ - loadtask.o pci_mpc5200.o serial.o speed.o usb_ohci.o + loadtask.o pci_mpc5200.o serial.o speed.o usb_ohci.o usb.o all: .depend $(START) $(ASOBJS) $(LIB) diff --git a/cpu/ppc4xx/Makefile b/cpu/ppc4xx/Makefile index c56345700..ca68599f7 100644 --- a/cpu/ppc4xx/Makefile +++ b/cpu/ppc4xx/Makefile @@ -31,7 +31,8 @@ COBJS = 405gp_pci.o 4xx_enet.o \ bedbug_405.o commproc.o \ cpu.o cpu_init.o i2c.o interrupts.o \ miiphy.o sdram.o serial.o \ - spd_sdram.o speed.o traps.o usb_ohci.o usbdev.o + spd_sdram.o speed.o traps.o \ + usb_ohci.o usbdev.o usb.o OBJS = $(AOBJS) $(COBJS) diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c index 9b3ca1232..be1a615eb 100644 --- a/drivers/usb_ohci.c +++ b/drivers/usb_ohci.c @@ -45,6 +45,7 @@ #ifdef CONFIG_USB_OHCI +/* mk: are these really required? */ #if defined(CONFIG_S3C2400) # include #elif defined(CONFIG_S3C2410) @@ -53,6 +54,8 @@ # include #elif defined(CONFIG_CPU_MONAHANS) # include +#elif defined(CONFIG_MPC5200) +# include #endif #include @@ -557,8 +560,10 @@ static int ep_link (ohci_t *ohci, ed_t *edi) * the link from the ed still points to another operational ed or 0 * so the HC can eventually finish the processing of the unlinked ed */ -static int ep_unlink (ohci_t *ohci, ed_t *ed) +static int ep_unlink (ohci_t *ohci, ed_t *edi) { + volatile ed_t *ed = edi; + ed->hwINFO |= m32_swap (OHCI_ED_SKIP); switch (ed->type) { @@ -825,6 +830,9 @@ static td_t * dl_reverse_done_list (ohci_t *ohci) } else td_list->ed->hwHeadP &= m32_swap (0xfffffff2); } +#ifdef CONFIG_MPC5200 + td_list->hwNextTD = 0; +#endif } td_list->next_dl_td = td_rev; @@ -1448,7 +1456,8 @@ static int hc_reset (ohci_t *ohci) readl(&ohci->regs->control)); /* Reset USB (needed by some controllers) */ - writel (0, &ohci->regs->control); + ohci->hc_control = 0; + writel (ohci->hc_control, &ohci->regs->control); /* HC Reset requires max 10 us delay */ writel (OHCI_HCR, &ohci->regs->cmdstatus); diff --git a/drivers/usb_ohci.h b/drivers/usb_ohci.h index 68dd4ecaf..95fbc4465 100644 --- a/drivers/usb_ohci.h +++ b/drivers/usb_ohci.h @@ -113,7 +113,9 @@ struct td { __u32 hwNextTD; /* Next TD Pointer */ __u32 hwBE; /* Memory Buffer End Pointer */ +/* #ifndef CONFIG_MPC5200 /\* this seems wrong *\/ */ __u16 hwPSW[MAXPSW]; +/* #endif */ __u8 unused; __u8 index; struct ed *ed; @@ -137,8 +139,13 @@ typedef struct td td_t; #define NUM_INTS 32 /* part of the OHCI standard */ struct ohci_hcca { __u32 int_table[NUM_INTS]; /* Interrupt ED table */ +#if defined(CONFIG_MPC5200) + __u16 pad1; /* set to 0 on each frame_no change */ + __u16 frame_no; /* current frame number */ +#else __u16 frame_no; /* current frame number */ __u16 pad1; /* set to 0 on each frame_no change */ +#endif __u32 done_head; /* info returned for an interrupt */ u8 reserved_for_hc[116]; } __attribute((aligned(256))); @@ -147,7 +154,9 @@ struct ohci_hcca { /* * Maximum number of root hub ports. */ -#define MAX_ROOT_PORTS 3 /* maximum OHCI root hub ports */ +#ifndef CFG_USB_OHCI_MAX_ROOT_PORTS +# error "CFG_USB_OHCI_MAX_ROOT_PORTS undefined!" +#endif /* * This is the structure of the OHCI controller's memory mapped I/O @@ -181,7 +190,7 @@ struct ohci_regs { __u32 a; __u32 b; __u32 status; - __u32 portstatus[MAX_ROOT_PORTS]; + __u32 portstatus[CFG_USB_OHCI_MAX_ROOT_PORTS]; } roothub; } __attribute((aligned(32))); diff --git a/include/configs/TQM5200.h b/include/configs/TQM5200.h index be83b6767..832dcdde5 100644 --- a/include/configs/TQM5200.h +++ b/include/configs/TQM5200.h @@ -128,6 +128,13 @@ #define CONFIG_USB_OHCI #define ADD_USB_CMD CFG_CMD_USB | CFG_CMD_FAT #define CONFIG_USB_STORAGE + +#undef CFG_USB_OHCI_BOARD_INIT +#define CFG_USB_OHCI_CPU_INIT +#define CFG_USB_OHCI_REGS_BASE MPC5XXX_USB +#define CFG_USB_OHCI_SLOT_NAME "mpc5200" +#define CFG_USB_OHCI_MAX_ROOT_PORTS 15 + #else #define ADD_USB_CMD 0 #endif diff --git a/include/configs/delta.h b/include/configs/delta.h index fea821ab9..0617ad864 100644 --- a/include/configs/delta.h +++ b/include/configs/delta.h @@ -111,6 +111,7 @@ #define CFG_USB_OHCI_CPU_INIT 1 #define CFG_USB_OHCI_REGS_BASE OHCI_REGS_BASE #define CFG_USB_OHCI_SLOT_NAME "delta" +#define CFG_USB_OHCI_MAX_ROOT_PORTS 3 #define LITTLEENDIAN 1 /* used by usb_ohci.c */ diff --git a/include/configs/mp2usb.h b/include/configs/mp2usb.h index edb20f8d8..d182d4948 100644 --- a/include/configs/mp2usb.h +++ b/include/configs/mp2usb.h @@ -111,6 +111,7 @@ #define CFG_USB_OHCI_CPU_INIT 1 #define CFG_USB_OHCI_REGS_BASE AT91_USB_HOST_BASE #define CFG_USB_OHCI_SLOT_NAME "at91rm9200" +#define CFG_USB_OHCI_MAX_ROOT_PORTS 15 #undef CONFIG_HARD_I2C diff --git a/include/configs/trab.h b/include/configs/trab.h index ae979475b..33617cdcd 100644 --- a/include/configs/trab.h +++ b/include/configs/trab.h @@ -88,6 +88,7 @@ #define CFG_USB_OHCI_CPU_INIT 1 #define CFG_USB_OHCI_REGS_BASE S3C24X0_USB_HOST_BASE #define CFG_USB_OHCI_SLOT_NAME "s3c2400" +#define CFG_USB_OHCI_MAX_ROOT_PORTS 15 /* * Size of malloc() pool diff --git a/include/configs/yosemite.h b/include/configs/yosemite.h index a81cf34f1..e6a02c631 100644 --- a/include/configs/yosemite.h +++ b/include/configs/yosemite.h @@ -216,6 +216,12 @@ #define CONFIG_USB_OHCI #define CONFIG_USB_STORAGE +#undef CFG_USB_OHCI_BOARD_INIT +#define CFG_USB_OHCI_CPU_INIT 1 +#define CFG_USB_OHCI_REGS_BASE (CFG_PERIPHERAL_BASE | 0x1000) +#define CFG_USB_OHCI_SLOT_NAME "ppc440" +#define CFG_USB_OHCI_MAX_ROOT_PORTS 15 + /*Comment this out to enable USB 1.1 device*/ #define USB_2_0_DEVICE #endif /*CONFIG_440EP*/ -- cgit v1.2.3-70-g09d2 From 7b59b3c7a8ce2e4b567abf99c1cd667bf35b9418 Mon Sep 17 00:00:00 2001 From: Markus Klotzbuecher Date: Mon, 27 Nov 2006 11:44:58 +0100 Subject: Introduced the configuration option CONFIG_USB_OHCI_NEW in order to be able to choose between the old and the generic OHCI drivers. --- board/trab/auto_update.c | 2 +- cpu/arm920t/at91rm9200/usb.c | 2 +- cpu/arm920t/s3c24x0/usb.c | 2 +- cpu/pxa/usb.c | 2 +- drivers/usb_ohci.c | 4 ++-- include/configs/TQM5200.h | 2 +- include/configs/delta.h | 2 +- include/configs/mp2usb.h | 2 +- include/configs/trab.h | 2 +- include/configs/yosemite.h | 2 +- include/usb.h | 2 +- 11 files changed, 12 insertions(+), 12 deletions(-) (limited to 'drivers/usb_ohci.c') diff --git a/board/trab/auto_update.c b/board/trab/auto_update.c index d2c8d44a7..7684499c2 100644 --- a/board/trab/auto_update.c +++ b/board/trab/auto_update.c @@ -34,7 +34,7 @@ #ifdef CONFIG_AUTO_UPDATE -#ifndef CONFIG_USB_OHCI +#ifndef CONFIG_USB_OHCI_NEW #error "must define CONFIG_USB_OHCI" #endif diff --git a/cpu/arm920t/at91rm9200/usb.c b/cpu/arm920t/at91rm9200/usb.c index 98e3cdd58..366262e4c 100644 --- a/cpu/arm920t/at91rm9200/usb.c +++ b/cpu/arm920t/at91rm9200/usb.c @@ -23,7 +23,7 @@ #include -#if defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) +#if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT) # ifdef CONFIG_AT91RM9200 #include diff --git a/cpu/arm920t/s3c24x0/usb.c b/cpu/arm920t/s3c24x0/usb.c index 4bc7961a0..ef5d5bf71 100644 --- a/cpu/arm920t/s3c24x0/usb.c +++ b/cpu/arm920t/s3c24x0/usb.c @@ -23,7 +23,7 @@ #include -#if defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) +#if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT) # if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) #if defined(CONFIG_S3C2400) diff --git a/cpu/pxa/usb.c b/cpu/pxa/usb.c index bff5bfb6a..5d273cb35 100644 --- a/cpu/pxa/usb.c +++ b/cpu/pxa/usb.c @@ -23,7 +23,7 @@ #include -#if defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) +#if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT) # ifdef CONFIG_CPU_MONAHANS #include diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c index be1a615eb..482633fc6 100644 --- a/drivers/usb_ohci.c +++ b/drivers/usb_ohci.c @@ -43,7 +43,7 @@ #include /* #include no PCI on the S3C24X0 */ -#ifdef CONFIG_USB_OHCI +#ifdef CONFIG_USB_OHCI_NEW /* mk: are these really required? */ #if defined(CONFIG_S3C2400) @@ -1756,4 +1756,4 @@ int usb_lowlevel_stop(void) return 0; } -#endif /* CONFIG_USB_OHCI */ +#endif /* CONFIG_USB_OHCI_NEW */ diff --git a/include/configs/TQM5200.h b/include/configs/TQM5200.h index 832dcdde5..6c8712b68 100644 --- a/include/configs/TQM5200.h +++ b/include/configs/TQM5200.h @@ -125,7 +125,7 @@ /* USB */ #ifdef CONFIG_STK52XX -#define CONFIG_USB_OHCI +#define CONFIG_USB_OHCI_NEW #define ADD_USB_CMD CFG_CMD_USB | CFG_CMD_FAT #define CONFIG_USB_STORAGE diff --git a/include/configs/delta.h b/include/configs/delta.h index 0617ad864..4038f2196 100644 --- a/include/configs/delta.h +++ b/include/configs/delta.h @@ -103,7 +103,7 @@ #endif /* USB */ -#define CONFIG_USB_OHCI 1 +#define CONFIG_USB_OHCI_NEW 1 #define CONFIG_USB_STORAGE 1 #define CONFIG_DOS_PARTITION 1 diff --git a/include/configs/mp2usb.h b/include/configs/mp2usb.h index d182d4948..2cf78a3b1 100644 --- a/include/configs/mp2usb.h +++ b/include/configs/mp2usb.h @@ -101,7 +101,7 @@ #undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */ -#define CONFIG_USB_OHCI 1 +#define CONFIG_USB_OHCI_NEW 1 #define CONFIG_USB_KEYBOARD 1 #define CONFIG_USB_STORAGE 1 #define CONFIG_DOS_PARTITION 1 diff --git a/include/configs/trab.h b/include/configs/trab.h index 33617cdcd..acf86d08a 100644 --- a/include/configs/trab.h +++ b/include/configs/trab.h @@ -80,7 +80,7 @@ #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* USB stuff */ -#define CONFIG_USB_OHCI 1 +#define CONFIG_USB_OHCI_NEW 1 #define CONFIG_USB_STORAGE 1 #define CONFIG_DOS_PARTITION 1 diff --git a/include/configs/yosemite.h b/include/configs/yosemite.h index e6a02c631..7f434e93f 100644 --- a/include/configs/yosemite.h +++ b/include/configs/yosemite.h @@ -213,7 +213,7 @@ #ifdef CONFIG_440EP /* USB */ -#define CONFIG_USB_OHCI +#define CONFIG_USB_OHCI_NEW #define CONFIG_USB_STORAGE #undef CFG_USB_OHCI_BOARD_INIT diff --git a/include/usb.h b/include/usb.h index bf7155404..fafac8934 100644 --- a/include/usb.h +++ b/include/usb.h @@ -169,7 +169,7 @@ struct usb_device { * this is how the lowlevel part communicate with the outer world */ -#if defined(CONFIG_USB_UHCI) || defined(CONFIG_USB_OHCI) || defined (CONFIG_USB_SL811HS) +#if defined(CONFIG_USB_UHCI) || defined(CONFIG_USB_OHCI) || defined (CONFIG_USB_SL811HS) || defined(CONFIG_USB_OHCI_NEW) int usb_lowlevel_init(void); int usb_lowlevel_stop(void); int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,int transfer_len); -- cgit v1.2.3-70-g09d2 From ae3b770e4eae8e98b6e9e29662e18c47fdf0171f Mon Sep 17 00:00:00 2001 From: Markus Klotzbuecher Date: Mon, 27 Nov 2006 11:46:46 +0100 Subject: Fix some endianness issues related to the generic ohci driver --- drivers/usb_ohci.c | 60 ++++++++++++++++++++++++++++++++++++++--------- include/configs/IceCube.h | 9 ++++++- include/usb.h | 15 +++++++----- 3 files changed, 66 insertions(+), 18 deletions(-) (limited to 'drivers/usb_ohci.c') diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c index 482633fc6..c5e4c38ef 100644 --- a/drivers/usb_ohci.c +++ b/drivers/usb_ohci.c @@ -62,15 +62,20 @@ #include #include "usb_ohci.h" -#undef S3C24X0_merge +#define S3C24X0_merge #if defined(CONFIG_ARM920T) || \ defined(CONFIG_S3C2400) || \ - defined(CONFIG_S3C2410) + defined(CONFIG_S3C2410) || \ + defined(CONFIG_440EP) || \ + defined(CONFIG_MPC5200) # define OHCI_USE_NPS /* force NoPowerSwitching mode */ #endif #undef OHCI_VERBOSE_DEBUG /* not always helpful */ +#undef DEBUG +#undef SHOW_INFO +#undef OHCI_FILL_TRACE /* For initializing controller (mask in an HCFS mode too) */ #define OHCI_CONTROL_INIT \ @@ -95,8 +100,13 @@ #define info(format, arg...) do {} while(0) #endif -#define m16_swap(x) swap_16(x) -#define m32_swap(x) swap_32(x) +#if defined(CONFIG_440EP) || defined(CONFIG_MPC5200) +# define m16_swap(x) (x) +# define m32_swap(x) (x) +#else +# define m16_swap(x) swap_16(x) +# define m32_swap(x) swap_32(x) +#endif /* global ohci_t */ static ohci_t gohci; @@ -523,7 +533,7 @@ static int ep_link (ohci_t *ohci, ed_t *edi) if (ohci->ed_controltail == NULL) { writel (ed, &ohci->regs->ed_controlhead); } else { - ohci->ed_controltail->hwNextED = m32_swap (ed); + ohci->ed_controltail->hwNextED = m32_swap ((unsigned long)ed); } ed->ed_prev = ohci->ed_controltail; if (!ohci->ed_controltail && !ohci->ed_rm_list[0] && @@ -539,7 +549,7 @@ static int ep_link (ohci_t *ohci, ed_t *edi) if (ohci->ed_bulktail == NULL) { writel (ed, &ohci->regs->ed_bulkhead); } else { - ohci->ed_bulktail->hwNextED = m32_swap (ed); + ohci->ed_bulktail->hwNextED = m32_swap ((unsigned long)ed); } ed->ed_prev = ohci->ed_bulktail; if (!ohci->ed_bulktail && !ohci->ed_rm_list[0] && @@ -635,7 +645,7 @@ static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe) ed->hwINFO = m32_swap (OHCI_ED_SKIP); /* skip ed */ /* dummy td; end of td list for ed */ td = td_alloc (usb_dev); - ed->hwTailP = m32_swap (td); + ed->hwTailP = m32_swap ((unsigned long)td); ed->hwHeadP = ed->hwTailP; ed->state = ED_UNLINK; ed->type = usb_pipetype (pipe); @@ -693,12 +703,12 @@ static void td_fill (ohci_t *ohci, unsigned int info, data = 0; td->hwINFO = m32_swap (info); - td->hwCBP = m32_swap (data); + td->hwCBP = m32_swap ((unsigned long)data); if (data) - td->hwBE = m32_swap (data + len - 1); + td->hwBE = m32_swap ((unsigned long)(data + len - 1)); else td->hwBE = 0; - td->hwNextTD = m32_swap (td_pt); + td->hwNextTD = m32_swap ((unsigned long)td_pt); #ifndef S3C24X0_merge td->hwPSW [0] = m16_swap (((__u32)data & 0x0FFF) | 0xE000); #endif @@ -875,7 +885,12 @@ static int dl_done_list (ohci_t *ohci, td_t *td_list) /* see if this done list makes for all TD's of current URB, * and mark the URB finished if so */ if (++(lurb_priv->td_cnt) == lurb_priv->length) { +#if 1 + if ((ed->state & (ED_OPER | ED_UNLINK)) && + (lurb_priv->state != URB_DEL)) +#else if ((ed->state & (ED_OPER | ED_UNLINK))) +#endif urb_finished = 1; else dbg("dl_done_list: strange.., ED state %x, ed->state\n"); @@ -1068,9 +1083,15 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); } bmRType_bReq = cmd->requesttype | (cmd->request << 8); +#if defined(CONFIG_440EP) || defined(CONFIG_MPC5200) + wValue = __swap_16(cmd->value); + wIndex = __swap_16(cmd->index); + wLength = __swap_16(cmd->length); +#else wValue = m16_swap (cmd->value); wIndex = m16_swap (cmd->index); wLength = m16_swap (cmd->length); +#endif /* CONFIG_440EP || CONFIG_MPC5200 */ info("Root-Hub: adr: %2x cmd(%1x): %08x %04x %04x %04x", dev->devnum, 8, bmRType_bReq, wValue, wIndex, wLength); @@ -1084,6 +1105,20 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); RH_OTHER | RH_CLASS almost ever means HUB_PORT here */ +#if defined(CONFIG_440EP) || defined(CONFIG_MPC5200) + case RH_GET_STATUS: + *(__u16 *) data_buf = __swap_16(1); OK (2); + case RH_GET_STATUS | RH_INTERFACE: + *(__u16 *) data_buf = __swap_16(0); OK (2); + case RH_GET_STATUS | RH_ENDPOINT: + *(__u16 *) data_buf = __swap_16(0); OK (2); + case RH_GET_STATUS | RH_CLASS: + *(__u32 *) data_buf = __swap_32( + RD_RH_STAT & ~(RH_HS_CRWE | RH_HS_DRWE)); + OK (4); + case RH_GET_STATUS | RH_OTHER | RH_CLASS: + *(__u32 *) data_buf = __swap_32(RD_RH_PORTSTAT); OK (4); +#else case RH_GET_STATUS: *(__u16 *) data_buf = m16_swap (1); OK (2); case RH_GET_STATUS | RH_INTERFACE: @@ -1096,6 +1131,7 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); OK (4); case RH_GET_STATUS | RH_OTHER | RH_CLASS: *(__u32 *) data_buf = m32_swap (RD_RH_PORTSTAT); OK (4); +#endif /* CONFIG_440EP || CONFIG_MPC5200 */ case RH_CLEAR_FEATURE | RH_ENDPOINT: switch (wValue) { @@ -1294,8 +1330,10 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, return -1; } +#if 0 wait_ms(10); /* ohci_dump_status(&gohci); */ +#endif /* allow more time for a BULK device to react - some are slow */ #define BULK_TO 5000 /* timeout in milliseconds */ @@ -1337,6 +1375,7 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, err("CTL:TIMEOUT "); #ifdef S3C24X0_merge dbg("submit_common_msg: TO status %x\n", stat); + stat = USB_ST_CRC_ERR; urb_finished = 1; #endif stat = USB_ST_CRC_ERR; @@ -1755,5 +1794,4 @@ int usb_lowlevel_stop(void) return 0; } - #endif /* CONFIG_USB_OHCI_NEW */ diff --git a/include/configs/IceCube.h b/include/configs/IceCube.h index 1152f838d..8753b9ff6 100644 --- a/include/configs/IceCube.h +++ b/include/configs/IceCube.h @@ -94,9 +94,16 @@ /* USB */ #if 1 -#define CONFIG_USB_OHCI +#define CONFIG_USB_OHCI_NEW #define ADD_USB_CMD CFG_CMD_USB | CFG_CMD_FAT #define CONFIG_USB_STORAGE + +#undef CFG_USB_OHCI_BOARD_INIT +#define CFG_USB_OHCI_CPU_INIT +#define CFG_USB_OHCI_REGS_BASE MPC5XXX_USB +#define CFG_USB_OHCI_SLOT_NAME "mpc5200" +#define CFG_USB_OHCI_MAX_ROOT_PORTS 15 + #else #define ADD_USB_CMD 0 #endif diff --git a/include/usb.h b/include/usb.h index fafac8934..419a7e364 100644 --- a/include/usb.h +++ b/include/usb.h @@ -230,16 +230,12 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); /* big endian -> little endian conversion */ /* some CPUs are already little endian e.g. the ARM920T */ -#ifdef LITTLEENDIAN -#define swap_16(x) ((unsigned short)(x)) -#define swap_32(x) ((unsigned long)(x)) -#else -#define swap_16(x) \ +#define __swap_16(x) \ ({ unsigned short x_ = (unsigned short)x; \ (unsigned short)( \ ((x_ & 0x00FFU) << 8) | ((x_ & 0xFF00U) >> 8) ); \ }) -#define swap_32(x) \ +#define __swap_32(x) \ ({ unsigned long x_ = (unsigned long)x; \ (unsigned long)( \ ((x_ & 0x000000FFUL) << 24) | \ @@ -247,6 +243,13 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate); ((x_ & 0x00FF0000UL) >> 8) | \ ((x_ & 0xFF000000UL) >> 24) ); \ }) + +#ifdef LITTLEENDIAN +# define swap_16(x) (x) +# define swap_32(x) (x) +#else +# define swap_16(x) __swap_16(x) +# define swap_32(x) __swap_32(x) #endif /* LITTLEENDIAN */ /* -- cgit v1.2.3-70-g09d2 From ae79f60677c208326535647dcbd5c3ec40dbcb0b Mon Sep 17 00:00:00 2001 From: Markus Klotzbuecher Date: Mon, 26 Mar 2007 11:21:05 +0200 Subject: USB: remove the S3C24X0_merge #define, which was introduced while merging OHCI drivers. Signed-off-by: Markus Klotzbuecher --- drivers/usb_ohci.c | 56 +++--------------------------------------------------- 1 file changed, 3 insertions(+), 53 deletions(-) (limited to 'drivers/usb_ohci.c') diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c index c5e4c38ef..1c3f622d5 100644 --- a/drivers/usb_ohci.c +++ b/drivers/usb_ohci.c @@ -62,8 +62,6 @@ #include #include "usb_ohci.h" -#define S3C24X0_merge - #if defined(CONFIG_ARM920T) || \ defined(CONFIG_S3C2400) || \ defined(CONFIG_S3C2410) || \ @@ -123,10 +121,8 @@ int got_rhsc; /* device which was disconnected */ struct usb_device *devgone; -#ifdef S3C24X0_merge /* flag guarding URB transation */ int urb_finished = 0; -#endif /*-------------------------------------------------------------------------*/ @@ -433,7 +429,7 @@ int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer, err("sohci_submit_job: EPIPE"); return -1; } -#ifdef S3C24X0_merge + /* if we have an unfinished URB from previous transaction let's * fail and scream as quickly as possible so as not to corrupt * further communication */ @@ -443,7 +439,6 @@ int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer, } /* we're about to begin a new transaction here so mark the URB unfinished */ urb_finished = 0; -#endif /* every endpoint has a ed, locate and fill it */ if (!(ed = ep_add_ed (dev, pipe))) { @@ -709,9 +704,6 @@ static void td_fill (ohci_t *ohci, unsigned int info, else td->hwBE = 0; td->hwNextTD = m32_swap ((unsigned long)td_pt); -#ifndef S3C24X0_merge - td->hwPSW [0] = m16_swap (((__u32)data & 0x0FFF) | 0xE000); -#endif /* append to queue */ td->ed->hwTailP = td->hwNextTD; @@ -881,7 +873,7 @@ static int dl_done_list (ohci_t *ohci, td_t *td_list) dbg("ConditionCode %#x", cc); stat = cc_to_error[cc]; } -#ifdef S3C24X0_merge + /* see if this done list makes for all TD's of current URB, * and mark the URB finished if so */ if (++(lurb_priv->td_cnt) == lurb_priv->length) { @@ -890,7 +882,6 @@ static int dl_done_list (ohci_t *ohci, td_t *td_list) (lurb_priv->state != URB_DEL)) #else if ((ed->state & (ED_OPER | ED_UNLINK))) -#endif urb_finished = 1; else dbg("dl_done_list: strange.., ED state %x, ed->state\n"); @@ -1351,7 +1342,6 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, break; } -#ifdef S3C24X0_merge /* NOTE: since we are not interrupt driven in U-Boot and always * handle only one URB at a time, we cannot assume the * transaction finished on the first successful return from @@ -1362,9 +1352,6 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, * hc_interrupt() gets called again as there needs to be some * more TD's to process still */ if ((stat >= 0) && (stat != 0xff) && (urb_finished)) { -#else - if (stat >= 0 && stat != 0xff) { -#endif /* 0xff is returned for an SF-interrupt */ break; } @@ -1373,38 +1360,13 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, wait_ms(1); } else { err("CTL:TIMEOUT "); -#ifdef S3C24X0_merge dbg("submit_common_msg: TO status %x\n", stat); stat = USB_ST_CRC_ERR; urb_finished = 1; -#endif stat = USB_ST_CRC_ERR; break; } } -#ifndef S3C24X0_merge - /* we got an Root Hub Status Change interrupt */ - if (got_rhsc) { -#ifdef DEBUG - ohci_dump_roothub (&gohci, 1); -#endif - got_rhsc = 0; - /* abuse timeout */ - timeout = rh_check_port_status(&gohci); - if (timeout >= 0) { -#if 0 /* this does nothing useful, but leave it here in case that changes */ - /* the called routine adds 1 to the passed value */ - usb_hub_port_connect_change(gohci.rh.dev, timeout - 1); -#endif - /* - * XXX - * This is potentially dangerous because it assumes - * that only one device is ever plugged in! - */ - devgone = dev; - } - } -#endif /* S3C24X0_merge */ dev->status = stat; dev->act_len = transfer_len; @@ -1582,8 +1544,6 @@ static int hc_interrupt (void) int ints; int stat = -1; -#ifdef S3C24X0_merge - if ((ohci->hcca->done_head != 0) && !(m32_swap (ohci->hcca->done_head) & 0x01)) { ints = OHCI_INTR_WDH; @@ -1595,20 +1555,12 @@ static int hc_interrupt (void) dbg("hc_interrupt: returning..\n"); return 0xff; } -#else - if ((ohci->hcca->done_head != 0) && !(m32_swap (ohci->hcca->done_head) & 0x01)) { - ints = OHCI_INTR_WDH; - } else { - ints = readl (®s->intrstatus); - } -#endif + /* dbg("Interrupt: %x frame: %x", ints, le16_to_cpu (ohci->hcca->frame_no)); */ if (ints & OHCI_INTR_RHSC) { got_rhsc = 1; -#ifdef S3C24X0_merge stat = 0xff; -#endif } if (ints & OHCI_INTR_UE) { @@ -1762,9 +1714,7 @@ int usb_lowlevel_init(void) ohci_dump (&gohci, 1); #else wait_ms(1); -# ifdef S3C24X0_merge urb_finished = 1; -# endif #endif ohci_inited = 1; return 0; -- cgit v1.2.3-70-g09d2 From d98c0885ad617fccf21e7c26ef8cb728fbfb2459 Mon Sep 17 00:00:00 2001 From: Rodolfo Giometti Date: Mon, 23 Apr 2007 13:10:52 +0200 Subject: USB: (Another) delay for crappy USB keys. Some USB keys are slow in giving back an answer when the Root HUB enables power lines. Signed-off-by: Rodolfo Giometti --- drivers/usb_ohci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/usb_ohci.c') diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c index 1c3f622d5..70cb6a384 100644 --- a/drivers/usb_ohci.c +++ b/drivers/usb_ohci.c @@ -1169,7 +1169,9 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); WR_RH_PORTSTAT (RH_PS_PRS); OK (0); case (RH_PORT_POWER): - WR_RH_PORTSTAT (RH_PS_PPS ); OK (0); + WR_RH_PORTSTAT (RH_PS_PPS ); + wait_ms(100); + OK (0); case (RH_PORT_ENABLE): /* BUG IN HUP CODE *********/ if (RD_RH_PORTSTAT & RH_PS_CCS) WR_RH_PORTSTAT (RH_PS_PES ); -- cgit v1.2.3-70-g09d2 From 4dae14ce8fbdf380017dc54f172218e7d2acc889 Mon Sep 17 00:00:00 2001 From: Zhang Wei Date: Wed, 6 Jun 2007 10:08:14 +0200 Subject: USB PCI-OHCI, interrupt pipe and usb event poll support This patch added USB PCI-OHCI chips support, interrupt pipe support and usb event poll support. For supporting the USB interrupt pipe, the globe urb_priv is moved to purb in ed struct. Now, we can process several urbs at one time. The interrupt pipe support codes are ported from Linux kernel 2.4. Signed-off-by: Zhang Wei --- drivers/usb_ohci.c | 310 ++++++++++++++++++++++++++++++++++++++++++++--------- drivers/usb_ohci.h | 12 ++- 2 files changed, 267 insertions(+), 55 deletions(-) (limited to 'drivers/usb_ohci.c') diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c index 70cb6a384..459c809ca 100644 --- a/drivers/usb_ohci.c +++ b/drivers/usb_ohci.c @@ -1,5 +1,11 @@ /* - * URB OHCI HCD (Host Controller Driver) for USB on the AT91RM9200. + * URB OHCI HCD (Host Controller Driver) for USB on the AT91RM9200 and PCI bus. + * + * Interrupt support is added. Now, it has been tested + * on ULI1575 chip and works well with USB keyboard. + * + * (C) Copyright 2007 + * Zhang Wei, Freescale Semiconductor, Inc. * * (C) Copyright 2003 * Gary Jennejohn, DENX Software Engineering @@ -35,7 +41,7 @@ * 1 - you MUST define LITTLEENDIAN in the configuration file for the * board or this driver will NOT work! * 2 - this driver is intended for use with USB Mass Storage Devices - * (BBB) ONLY. There is NO support for Interrupt or Isochronous pipes! + * (BBB) and USB keyboard. There is NO support for Isochronous pipes! * 3 - when running on a PQFP208 AT91RM9200, define CONFIG_AT91C_PQFP_UHPBUG * to activate workaround for bug #41 or this driver will NOT work! */ @@ -56,6 +62,8 @@ # include #elif defined(CONFIG_MPC5200) # include +#elif defined(CONFIG_PCI_OHCI) +# include #endif #include @@ -66,6 +74,7 @@ defined(CONFIG_S3C2400) || \ defined(CONFIG_S3C2410) || \ defined(CONFIG_440EP) || \ + defined(CONFIG_PCI_OHCI) || \ defined(CONFIG_MPC5200) # define OHCI_USE_NPS /* force NoPowerSwitching mode */ #endif @@ -79,12 +88,19 @@ #define OHCI_CONTROL_INIT \ (OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE -#define readl(a) (*((vu_long *)(a))) -#define writel(a, b) (*((vu_long *)(b)) = ((vu_long)a)) +#define readl(a) m32_swap(*((vu_long *)(a))) +#define writel(a, b) (*((vu_long *)(b)) = m32_swap((vu_long)a)) #define min_t(type,x,y) ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; }) -#undef DEBUG +#ifdef CONFIG_PCI_OHCI +static struct pci_device_id ohci_pci_ids[] = { + {0x10b9, 0x5237}, /* ULI1575 PCI OHCI module ids */ + /* Please add supported PCI OHCI controller ids here */ + {0, 0} +}; +#endif + #ifdef DEBUG #define dbg(format, arg...) printf("DEBUG: " format "\n", ## arg) #else @@ -114,15 +130,11 @@ struct ohci_hcca ghcca[1]; struct ohci_hcca *phcca; /* this allocates EDs for all possible endpoints */ struct ohci_device ohci_dev; -/* urb_priv */ -urb_priv_t urb_priv; /* RHSC flag */ int got_rhsc; /* device which was disconnected */ struct usb_device *devgone; -/* flag guarding URB transation */ -int urb_finished = 0; /*-------------------------------------------------------------------------*/ @@ -177,6 +189,7 @@ static void urb_free_priv (urb_priv_t * urb) } } } + free(urb); } /*-------------------------------------------------------------------------*/ @@ -187,11 +200,10 @@ static int sohci_get_current_frame_number (struct usb_device * dev); /* debug| print the main components of an URB * small: 0) header + data packets 1) just header */ -static void pkt_print (struct usb_device * dev, unsigned long pipe, void * buffer, +static void pkt_print (urb_priv_t *purb, struct usb_device * dev, + unsigned long pipe, void * buffer, int transfer_len, struct devrequest * setup, char * str, int small) { - urb_priv_t * purb = &urb_priv; - dbg("%s URB:[%4x] dev:%2d,ep:%2d-%c,type:%s,len:%d/%d stat:%#lx", str, sohci_get_current_frame_number (dev), @@ -200,7 +212,7 @@ static void pkt_print (struct usb_device * dev, unsigned long pipe, void * buffe usb_pipeout (pipe)? 'O': 'I', usb_pipetype (pipe) < 2? (usb_pipeint (pipe)? "INTR": "ISOC"): (usb_pipecontrol (pipe)? "CTRL": "BULK"), - purb->actual_length, + (purb ? purb->actual_length : 0), transfer_len, dev->status); #ifdef OHCI_VERBOSE_DEBUG if (!small) { @@ -214,10 +226,11 @@ static void pkt_print (struct usb_device * dev, unsigned long pipe, void * buffe } if (transfer_len > 0 && buffer) { printf (__FILE__ ": data(%d/%d):", - purb->actual_length, + (purb ? purb->actual_length : 0), transfer_len); len = usb_pipeout (pipe)? - transfer_len: purb->actual_length; + transfer_len: + (purb ? purb->actual_length : 0); for (i = 0; i < 16 && i < len; i++) printf (" %02x", ((__u8 *) buffer) [i]); printf ("%s\n", i < len? "...": ""); @@ -413,13 +426,17 @@ static void ohci_dump (ohci_t *controller, int verbose) /* get a transfer request */ -int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer, - int transfer_len, struct devrequest *setup, int interval) +int sohci_submit_job(urb_priv_t *urb, struct devrequest *setup) { ohci_t *ohci; ed_t * ed; - urb_priv_t *purb_priv; + urb_priv_t *purb_priv = urb; int i, size = 0; + struct usb_device *dev = urb->dev; + unsigned long pipe = urb->pipe; + void *buffer = urb->transfer_buffer; + int transfer_len = urb->transfer_buffer_length; + int interval = urb->interval; ohci = &gohci; @@ -430,18 +447,11 @@ int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer, return -1; } - /* if we have an unfinished URB from previous transaction let's - * fail and scream as quickly as possible so as not to corrupt - * further communication */ - if (!urb_finished) { - err("sohci_submit_job: URB NOT FINISHED"); - return -1; - } /* we're about to begin a new transaction here so mark the URB unfinished */ - urb_finished = 0; + urb->finished = 0; /* every endpoint has a ed, locate and fill it */ - if (!(ed = ep_add_ed (dev, pipe))) { + if (!(ed = ep_add_ed (dev, pipe, interval, 1))) { err("sohci_submit_job: ENOMEM"); return -1; } @@ -455,13 +465,17 @@ int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer, size = (transfer_len == 0)? 2: (transfer_len - 1) / 4096 + 3; break; + case PIPE_INTERRUPT: /* 1 TD */ + size = 1; + break; } + ed->purb = urb; + if (size >= (N_URB_TD - 1)) { err("need %d TDs, only have %d", size, N_URB_TD); return -1; } - purb_priv = &urb_priv; purb_priv->pipe = pipe; /* fill the private part of the URB */ @@ -497,6 +511,40 @@ int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer, return 0; } +static inline int sohci_return_job(struct ohci *hc, urb_priv_t *urb) +{ + struct ohci_regs *regs = hc->regs; + + switch (usb_pipetype (urb->pipe)) { + case PIPE_INTERRUPT: + /* implicitly requeued */ + if (urb->dev->irq_handle && + (urb->dev->irq_act_len = urb->actual_length)) { + writel (OHCI_INTR_WDH, ®s->intrenable); + readl (®s->intrenable); /* PCI posting flush */ + urb->dev->irq_handle(urb->dev); + writel (OHCI_INTR_WDH, ®s->intrdisable); + readl (®s->intrdisable); /* PCI posting flush */ + } + urb->actual_length = 0; + td_submit_job ( + urb->dev, + urb->pipe, + urb->transfer_buffer, + urb->transfer_buffer_length, + NULL, + urb, + urb->interval); + break; + case PIPE_CONTROL: + case PIPE_BULK: + break; + default: + return 0; + } + return 1; +} + /*-------------------------------------------------------------------------*/ #ifdef DEBUG @@ -510,6 +558,59 @@ static int sohci_get_current_frame_number (struct usb_device *usb_dev) } #endif +/*-------------------------------------------------------------------------* + * ED handling functions + *-------------------------------------------------------------------------*/ + +/* search for the right branch to insert an interrupt ed into the int tree + * do some load ballancing; + * returns the branch and + * sets the interval to interval = 2^integer (ld (interval)) */ + +static int ep_int_ballance (ohci_t * ohci, int interval, int load) +{ + int i, branch = 0; + + /* search for the least loaded interrupt endpoint + * branch of all 32 branches + */ + for (i = 0; i < 32; i++) + if (ohci->ohci_int_load [branch] > ohci->ohci_int_load [i]) + branch = i; + + branch = branch % interval; + for (i = branch; i < 32; i += interval) + ohci->ohci_int_load [i] += load; + + return branch; +} + +/*-------------------------------------------------------------------------*/ + +/* 2^int( ld (inter)) */ + +static int ep_2_n_interval (int inter) +{ + int i; + for (i = 0; ((inter >> i) > 1 ) && (i < 5); i++); + return 1 << i; +} + +/*-------------------------------------------------------------------------*/ + +/* the int tree is a binary tree + * in order to process it sequentially the indexes of the branches have to be mapped + * the mapping reverses the bits of a word of num_bits length */ + +static int ep_rev (int num_bits, int word) +{ + int i, wout = 0; + + for (i = 0; i < num_bits; i++) + wout |= (((word >> i) & 1) << (num_bits - i - 1)); + return wout; +} + /*-------------------------------------------------------------------------* * ED handling functions *-------------------------------------------------------------------------*/ @@ -519,8 +620,15 @@ static int sohci_get_current_frame_number (struct usb_device *usb_dev) static int ep_link (ohci_t *ohci, ed_t *edi) { volatile ed_t *ed = edi; + int int_branch; + int i; + int inter; + int interval; + int load; + __u32 * ed_p; ed->state = ED_OPER; + ed->int_interval = 0; switch (ed->type) { case PIPE_CONTROL: @@ -554,12 +662,49 @@ static int ep_link (ohci_t *ohci, ed_t *edi) } ohci->ed_bulktail = edi; break; + + case PIPE_INTERRUPT: + load = ed->int_load; + interval = ep_2_n_interval (ed->int_period); + ed->int_interval = interval; + int_branch = ep_int_ballance (ohci, interval, load); + ed->int_branch = int_branch; + + for (i = 0; i < ep_rev (6, interval); i += inter) { + inter = 1; + for (ed_p = &(ohci->hcca->int_table[ep_rev (5, i) + int_branch]); + (*ed_p != 0) && (((ed_t *)ed_p)->int_interval >= interval); + ed_p = &(((ed_t *)ed_p)->hwNextED)) + inter = ep_rev (6, ((ed_t *)ed_p)->int_interval); + ed->hwNextED = *ed_p; + *ed_p = m32_swap(ed); + } + break; } return 0; } /*-------------------------------------------------------------------------*/ +/* scan the periodic table to find and unlink this ED */ +static void periodic_unlink ( struct ohci *ohci, volatile struct ed *ed, + unsigned index, unsigned period) +{ + for (; index < NUM_INTS; index += period) { + __u32 *ed_p = &ohci->hcca->int_table [index]; + + /* ED might have been unlinked through another path */ + while (*ed_p != 0) { + if (((struct ed *)m32_swap (ed_p)) == ed) { + *ed_p = ed->hwNextED; + break; + } + ed_p = & (((struct ed *)m32_swap (ed_p))->hwNextED); + } + } +} + + /* unlink an ed from one of the HC chains. * just the link to the ed is unlinked. * the link from the ed still points to another operational ed or 0 @@ -568,6 +713,7 @@ static int ep_link (ohci_t *ohci, ed_t *edi) static int ep_unlink (ohci_t *ohci, ed_t *edi) { volatile ed_t *ed = edi; + int i; ed->hwINFO |= m32_swap (OHCI_ED_SKIP); @@ -605,6 +751,12 @@ static int ep_unlink (ohci_t *ohci, ed_t *edi) ((ed_t *)m32_swap (*((__u32 *)&ed->hwNextED)))->ed_prev = ed->ed_prev; } break; + + case PIPE_INTERRUPT: + periodic_unlink (ohci, ed, 0, 1); + for (i = ed->int_branch; i < 32; i += ed->int_interval) + ohci->ohci_int_load[i] -= ed->int_load; + break; } ed->state = ED_UNLINK; return 0; @@ -621,7 +773,8 @@ static int ep_unlink (ohci_t *ohci, ed_t *edi) * info fields are setted anyway even though most of them should not * change */ -static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe) +static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe, + int interval, int load) { td_t *td; ed_t *ed_ret; @@ -654,6 +807,11 @@ static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe) | usb_pipeslow (pipe) << 13 | usb_maxpacket (usb_dev, pipe) << 16); + if (ed->type == PIPE_INTERRUPT && ed->state == ED_UNLINK) { + ed->int_period = interval; + ed->int_load = load; + } + return ed_ret; } @@ -768,6 +926,13 @@ static void td_submit_job (struct usb_device *dev, unsigned long pipe, void *buf if (!ohci->sleeping) writel (OHCI_CLF, &ohci->regs->cmdstatus); /* start Control list */ break; + + case PIPE_INTERRUPT: + info = usb_pipeout (urb->pipe)? + TD_CC | TD_DP_OUT | toggle: + TD_CC | TD_R | TD_DP_IN | toggle; + td_fill (ohci, info, data, data_len, dev, cnt++, urb); + break; } if (urb->length != cnt) dbg("TD LENGTH %d != CNT %d", urb->length, cnt); @@ -783,7 +948,7 @@ static void td_submit_job (struct usb_device *dev, unsigned long pipe, void *buf static void dl_transfer_length(td_t * td) { __u32 tdINFO, tdBE, tdCBP; - urb_priv_t *lurb_priv = &urb_priv; + urb_priv_t *lurb_priv = td->ed->purb; tdINFO = m32_swap (td->hwINFO); tdBE = m32_swap (td->hwBE); @@ -820,7 +985,7 @@ static td_t * dl_reverse_done_list (ohci_t *ohci) td_list = (td_t *)td_list_hc; if (TD_CC_GET (m32_swap (td_list->hwINFO))) { - lurb_priv = &urb_priv; + lurb_priv = td_list->ed->purb; dbg(" USB-error/status: %x : %p", TD_CC_GET (m32_swap (td_list->hwINFO)), td_list); if (td_list->ed->hwHeadP & m32_swap (0x1)) { @@ -860,10 +1025,10 @@ static int dl_done_list (ohci_t *ohci, td_t *td_list) while (td_list) { td_list_next = td_list->next_dl_td; - lurb_priv = &urb_priv; tdINFO = m32_swap (td_list->hwINFO); ed = td_list->ed; + lurb_priv = ed->purb; dl_transfer_length(td_list); @@ -882,14 +1047,16 @@ static int dl_done_list (ohci_t *ohci, td_t *td_list) (lurb_priv->state != URB_DEL)) #else if ((ed->state & (ED_OPER | ED_UNLINK))) - urb_finished = 1; +#endif + lurb_priv->finished = sohci_return_job(ohci, + lurb_priv); else dbg("dl_done_list: strange.., ED state %x, ed->state\n"); } else dbg("dl_done_list: processing TD %x, len %x\n", lurb_priv->td_cnt, lurb_priv->length); -#endif - if (ed->state != ED_NEW) { + if (ed->state != ED_NEW && + (usb_pipetype (lurb_priv->pipe) != PIPE_INTERRUPT)) { edHeadP = m32_swap (ed->hwHeadP) & 0xfffffff0; edTailP = m32_swap (ed->hwTailP); @@ -1063,8 +1230,7 @@ static int ohci_submit_rh_msg(struct usb_device *dev, unsigned long pipe, __u16 wLength; #ifdef DEBUG -urb_priv.actual_length = 0; -pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); +pkt_print(NULL, dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); #else wait_ms(1); #endif @@ -1279,9 +1445,7 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe)); dev->status = stat; #ifdef DEBUG - if (transfer_len) - urb_priv.actual_length = transfer_len; - pkt_print(dev, pipe, buffer, transfer_len, cmd, "RET(rh)", 0/*usb_pipein(pipe)*/); + pkt_print(NULL, dev, pipe, buffer, transfer_len, cmd, "RET(rh)", 0/*usb_pipein(pipe)*/); #else wait_ms(1); #endif @@ -1299,6 +1463,16 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, int stat = 0; int maxsize = usb_maxpacket(dev, pipe); int timeout; + urb_priv_t *urb; + + urb = malloc(sizeof(urb_priv_t)); + memset(urb, 0, sizeof(urb_priv_t)); + + urb->dev = dev; + urb->pipe = pipe; + urb->transfer_buffer = buffer; + urb->transfer_buffer_length = transfer_len; + urb->interval = interval; /* device pulled? Shortcut the action. */ if (devgone == dev) { @@ -1307,8 +1481,8 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, } #ifdef DEBUG - urb_priv.actual_length = 0; - pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe)); + urb->actual_length = 0; + pkt_print(urb, dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe)); #else wait_ms(1); #endif @@ -1318,7 +1492,7 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, return -1; } - if (sohci_submit_job(dev, pipe, buffer, transfer_len, setup, interval) < 0) { + if (sohci_submit_job(urb, setup) < 0) { err("sohci_submit_job failed"); return -1; } @@ -1353,18 +1527,20 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, * finished we need to re-iterate this loop so as * hc_interrupt() gets called again as there needs to be some * more TD's to process still */ - if ((stat >= 0) && (stat != 0xff) && (urb_finished)) { + if ((stat >= 0) && (stat != 0xff) && (urb->finished)) { /* 0xff is returned for an SF-interrupt */ break; } if (--timeout) { wait_ms(1); + if (!urb->finished) + dbg("\%"); + } else { err("CTL:TIMEOUT "); dbg("submit_common_msg: TO status %x\n", stat); - stat = USB_ST_CRC_ERR; - urb_finished = 1; + urb->finished = 1; stat = USB_ST_CRC_ERR; break; } @@ -1374,13 +1550,14 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer, dev->act_len = transfer_len; #ifdef DEBUG - pkt_print(dev, pipe, buffer, transfer_len, setup, "RET(ctlr)", usb_pipein(pipe)); + pkt_print(urb, dev, pipe, buffer, transfer_len, setup, "RET(ctlr)", usb_pipein(pipe)); #else wait_ms(1); #endif /* free TDs in urb_priv */ - urb_free_priv (&urb_priv); + if (usb_pipetype (pipe) != PIPE_INTERRUPT) + urb_free_priv (urb); return 0; } @@ -1399,8 +1576,7 @@ int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer, info("submit_control_msg"); #ifdef DEBUG - urb_priv.actual_length = 0; - pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe)); + pkt_print(NULL, dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe)); #else wait_ms(1); #endif @@ -1423,7 +1599,8 @@ int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, int transfer_len, int interval) { info("submit_int_msg"); - return -1; + return submit_common_msg(dev, pipe, buffer, transfer_len, NULL, + interval); } /*-------------------------------------------------------------------------* @@ -1537,6 +1714,12 @@ static int hc_start (ohci_t * ohci) /*-------------------------------------------------------------------------*/ +/* Poll USB interrupt. */ +void usb_event_poll(void) +{ + hc_interrupt(); +} + /* an interrupt happens */ static int hc_interrupt (void) @@ -1587,8 +1770,10 @@ static int hc_interrupt (void) if (ints & OHCI_INTR_WDH) { wait_ms(1); writel (OHCI_INTR_WDH, ®s->intrdisable); + (void)readl (®s->intrdisable); /* flush */ stat = dl_done_list (&gohci, dl_reverse_done_list (&gohci)); writel (OHCI_INTR_WDH, ®s->intrenable); + (void)readl (®s->intrdisable); /* flush */ } if (ints & OHCI_INTR_SO) { @@ -1634,6 +1819,9 @@ static char ohci_inited = 0; int usb_lowlevel_init(void) { +#ifdef CONFIG_PCI_OHCI + pci_dev_t pdev; +#endif #ifdef CFG_USB_OHCI_CPU_INIT /* cpu dependant init */ @@ -1647,7 +1835,6 @@ int usb_lowlevel_init(void) return -1; #endif memset (&gohci, 0, sizeof (ohci_t)); - memset (&urb_priv, 0, sizeof (urb_priv_t)); /* align the storage */ if ((__u32)&ghcca[0] & 0xff) { @@ -1673,7 +1860,25 @@ int usb_lowlevel_init(void) gohci.disabled = 1; gohci.sleeping = 0; gohci.irq = -1; +#ifdef CONFIG_PCI_OHCI + pdev = pci_find_devices(ohci_pci_ids, 0); + + if (pdev != -1) { + u16 vid, did; + u32 base; + pci_read_config_word(pdev, PCI_VENDOR_ID, &vid); + pci_read_config_word(pdev, PCI_DEVICE_ID, &did); + printf("OHCI pci controller (%04x, %04x) found @(%d:%d:%d)\n", + vid, did, (pdev >> 16) & 0xff, + (pdev >> 11) & 0x1f, (pdev >> 8) & 0x7); + pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0, &base); + printf("OHCI regs address 0x%08x\n", base); + gohci.regs = (struct ohci_regs *)base; + } else + return -1; +#else gohci.regs = (struct ohci_regs *)CFG_USB_OHCI_REGS_BASE; +#endif gohci.flags = 0; gohci.slot_name = CFG_USB_OHCI_SLOT_NAME; @@ -1716,7 +1921,6 @@ int usb_lowlevel_init(void) ohci_dump (&gohci, 1); #else wait_ms(1); - urb_finished = 1; #endif ohci_inited = 1; return 0; diff --git a/drivers/usb_ohci.h b/drivers/usb_ohci.h index d2b03c0ee..380cb4c92 100644 --- a/drivers/usb_ohci.h +++ b/drivers/usb_ohci.h @@ -64,7 +64,8 @@ struct ed { struct ed *ed_rm_list; struct usb_device *usb_dev; - __u32 unused[3]; + void *purb; + __u32 unused[2]; } __attribute((aligned(16))); typedef struct ed ed_t; @@ -349,9 +350,14 @@ typedef struct ed_t *ed; __u16 length; /* number of tds associated with this request */ __u16 td_cnt; /* number of tds already serviced */ + struct usb_device *dev; int state; unsigned long pipe; + void *transfer_buffer; + int transfer_buffer_length; + int interval; int actual_length; + int finished; td_t *td[N_URB_TD]; /* list pointer to all corresponding TDs associated with this request */ } urb_priv_t; #define URB_DEL 1 @@ -375,6 +381,7 @@ typedef struct ohci { struct ohci_regs *regs; /* OHCI controller's memory */ + int ohci_int_load[32]; /* load of the 32 Interrupt Chains (for load balancing)*/ ed_t *ed_rm_list[2]; /* lists of all endpoints to be removed */ ed_t *ed_bulktail; /* last endpoint of bulk list */ ed_t *ed_controltail; /* last endpoint of control list */ @@ -397,7 +404,8 @@ struct ohci_device { /* endpoint */ static int ep_link(ohci_t * ohci, ed_t * ed); static int ep_unlink(ohci_t * ohci, ed_t * ed); -static ed_t * ep_add_ed(struct usb_device * usb_dev, unsigned long pipe); +static ed_t * ep_add_ed(struct usb_device * usb_dev, unsigned long pipe, + int interval, int load); /*-------------------------------------------------------------------------*/ -- cgit v1.2.3-70-g09d2 From fc43be478f2aa37ce38acd85355038866e4162af Mon Sep 17 00:00:00 2001 From: Markus Klotzbuecher Date: Wed, 6 Jun 2007 11:49:35 +0200 Subject: USB/OHCI: endianness cleanup in the generic ohci driver --- doc/README.generic_usb_ohci | 49 ++++++++++++++++++--------- drivers/usb_ohci.c | 82 ++++++++++++++++----------------------------- 2 files changed, 62 insertions(+), 69 deletions(-) (limited to 'drivers/usb_ohci.c') diff --git a/doc/README.generic_usb_ohci b/doc/README.generic_usb_ohci index 017c69ab0..c343dfdf9 100644 --- a/doc/README.generic_usb_ohci +++ b/doc/README.generic_usb_ohci @@ -9,35 +9,52 @@ into cpu/board directories and are called via the hooks below. Configuration options ---------------------- -CONFIG_USB_OHCI_NEW: enable the new OHCI driver + CONFIG_USB_OHCI_NEW: enable the new OHCI driver -CFG_USB_OHCI_BOARD_INIT: call the board dependant hooks: + CFG_USB_OHCI_BOARD_INIT: call the board dependant hooks: - - extern int usb_board_init(void); - - extern int usb_board_stop(void); - - extern int usb_cpu_init_fail(void); + - extern int usb_board_init(void); + - extern int usb_board_stop(void); + - extern int usb_cpu_init_fail(void); -CFG_USB_OHCI_CPU_INIT: call the cpu dependant hooks: + CFG_USB_OHCI_CPU_INIT: call the cpu dependant hooks: - - extern int usb_cpu_init(void); - - extern int usb_cpu_stop(void); - - extern int usb_cpu_init_fail(void); + - extern int usb_cpu_init(void); + - extern int usb_cpu_stop(void); + - extern int usb_cpu_init_fail(void); -CFG_USB_OHCI_REGS_BASE: defines the base address of the OHCI registers + CFG_USB_OHCI_REGS_BASE: defines the base address of the OHCI + registers -CFG_USB_OHCI_SLOT_NAME: slot name + CFG_USB_OHCI_SLOT_NAME: slot name -CFG_USB_OHCI_MAX_ROOT_PORTS: maximal number of ports of the root hub. + CFG_USB_OHCI_MAX_ROOT_PORTS: maximal number of ports of the + root hub. Endianness issues ------------------ -The LITTLEENDIAN #define determines if the 'swap_16' and 'swap_32' -macros do byte swapping or not. But some cpus OHCI-controllers such as -ppc4xx and mpc5xxx operate in little endian mode, so some extra ifdefs -were necessary to make this work. +The USB bus operates in little endian, but unfortunately there are +OHCI controllers that operate in big endian such as ppc4xx and +mpc5xxx. For these the config option + CFG_OHCI_BE_CONTROLLER + +needs to be defined. + + +PCI Controllers +---------------- + +You'll need to define + + CONFIG_PCI_OHCI + +PCI Controllers need to do byte swapping on register accesses, so they +should to define: + + CFG_OHCI_SWAP_REG_ACCESS diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c index 459c809ca..3cef576b2 100644 --- a/drivers/usb_ohci.c +++ b/drivers/usb_ohci.c @@ -38,31 +38,20 @@ */ /* * IMPORTANT NOTES - * 1 - you MUST define LITTLEENDIAN in the configuration file for the - * board or this driver will NOT work! + * 1 - Read doc/README.generic_usb_ohci * 2 - this driver is intended for use with USB Mass Storage Devices * (BBB) and USB keyboard. There is NO support for Isochronous pipes! - * 3 - when running on a PQFP208 AT91RM9200, define CONFIG_AT91C_PQFP_UHPBUG + * 2 - when running on a PQFP208 AT91RM9200, define CONFIG_AT91C_PQFP_UHPBUG * to activate workaround for bug #41 or this driver will NOT work! */ #include -/* #include no PCI on the S3C24X0 */ #ifdef CONFIG_USB_OHCI_NEW -/* mk: are these really required? */ -#if defined(CONFIG_S3C2400) -# include -#elif defined(CONFIG_S3C2410) -# include -#elif defined(CONFIG_ARM920T) -# include -#elif defined(CONFIG_CPU_MONAHANS) -# include -#elif defined(CONFIG_MPC5200) -# include -#elif defined(CONFIG_PCI_OHCI) +#include + +#if defined(CONFIG_PCI_OHCI) # include #endif @@ -88,8 +77,16 @@ #define OHCI_CONTROL_INIT \ (OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE -#define readl(a) m32_swap(*((vu_long *)(a))) -#define writel(a, b) (*((vu_long *)(b)) = m32_swap((vu_long)a)) +/* + * e.g. PCI controllers need this + */ +#ifdef CFG_OHCI_SWAP_REG_ACCESS +# define readl(a) __swap_16(*((vu_long *)(a))) +# define writel(a, b) (*((vu_long *)(b)) = __swap_32((vu_long)a)) +#else +# define readl(a) (*((vu_long *)(a))) +# define writel(a, b) (*((vu_long *)(b)) = ((vu_long)a)) +#endif /* CFG_OHCI_SWAP_REG_ACCESS */ #define min_t(type,x,y) ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; }) @@ -114,13 +111,13 @@ static struct pci_device_id ohci_pci_ids[] = { #define info(format, arg...) do {} while(0) #endif -#if defined(CONFIG_440EP) || defined(CONFIG_MPC5200) -# define m16_swap(x) (x) -# define m32_swap(x) (x) +#ifdef CFG_OHCI_BE_CONTROLLER +# define m16_swap(x) cpu_to_be16(x) +# define m32_swap(x) cpu_to_be32(x) #else -# define m16_swap(x) swap_16(x) -# define m32_swap(x) swap_32(x) -#endif +# define m16_swap(x) cpu_to_le16(x) +# define m32_swap(x) cpu_to_le32(x) +#endif /* CFG_OHCI_BE_CONTROLLER */ /* global ohci_t */ static ohci_t gohci; @@ -1240,15 +1237,9 @@ pkt_print(NULL, dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe } bmRType_bReq = cmd->requesttype | (cmd->request << 8); -#if defined(CONFIG_440EP) || defined(CONFIG_MPC5200) - wValue = __swap_16(cmd->value); - wIndex = __swap_16(cmd->index); - wLength = __swap_16(cmd->length); -#else - wValue = m16_swap (cmd->value); - wIndex = m16_swap (cmd->index); - wLength = m16_swap (cmd->length); -#endif /* CONFIG_440EP || CONFIG_MPC5200 */ + wValue = cpu_to_le16 (cmd->value); + wIndex = cpu_to_le16 (cmd->index); + wLength = cpu_to_le16 (cmd->length); info("Root-Hub: adr: %2x cmd(%1x): %08x %04x %04x %04x", dev->devnum, 8, bmRType_bReq, wValue, wIndex, wLength); @@ -1262,33 +1253,18 @@ pkt_print(NULL, dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe RH_OTHER | RH_CLASS almost ever means HUB_PORT here */ -#if defined(CONFIG_440EP) || defined(CONFIG_MPC5200) - case RH_GET_STATUS: - *(__u16 *) data_buf = __swap_16(1); OK (2); - case RH_GET_STATUS | RH_INTERFACE: - *(__u16 *) data_buf = __swap_16(0); OK (2); - case RH_GET_STATUS | RH_ENDPOINT: - *(__u16 *) data_buf = __swap_16(0); OK (2); - case RH_GET_STATUS | RH_CLASS: - *(__u32 *) data_buf = __swap_32( - RD_RH_STAT & ~(RH_HS_CRWE | RH_HS_DRWE)); - OK (4); - case RH_GET_STATUS | RH_OTHER | RH_CLASS: - *(__u32 *) data_buf = __swap_32(RD_RH_PORTSTAT); OK (4); -#else case RH_GET_STATUS: - *(__u16 *) data_buf = m16_swap (1); OK (2); + *(__u16 *) data_buf = cpu_to_le16 (1); OK (2); case RH_GET_STATUS | RH_INTERFACE: - *(__u16 *) data_buf = m16_swap (0); OK (2); + *(__u16 *) data_buf = cpu_to_le16 (0); OK (2); case RH_GET_STATUS | RH_ENDPOINT: - *(__u16 *) data_buf = m16_swap (0); OK (2); + *(__u16 *) data_buf = cpu_to_le16 (0); OK (2); case RH_GET_STATUS | RH_CLASS: - *(__u32 *) data_buf = m32_swap ( + *(__u32 *) data_buf = cpu_to_le32 ( RD_RH_STAT & ~(RH_HS_CRWE | RH_HS_DRWE)); OK (4); case RH_GET_STATUS | RH_OTHER | RH_CLASS: - *(__u32 *) data_buf = m32_swap (RD_RH_PORTSTAT); OK (4); -#endif /* CONFIG_440EP || CONFIG_MPC5200 */ + *(__u32 *) data_buf = cpu_to_le32 (RD_RH_PORTSTAT); OK (4); case RH_CLEAR_FEATURE | RH_ENDPOINT: switch (wValue) { -- cgit v1.2.3-70-g09d2 From 9b7464a2c88614e1061f509c48930a3d240d1a35 Mon Sep 17 00:00:00 2001 From: Jason Jin Date: Mon, 11 Jun 2007 15:14:24 +0200 Subject: USB: This patch fix readl in ohci swap reg access. Signed-off-by: Jason Jin --- drivers/usb_ohci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/usb_ohci.c') diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c index 3cef576b2..d6b745fad 100644 --- a/drivers/usb_ohci.c +++ b/drivers/usb_ohci.c @@ -81,7 +81,7 @@ * e.g. PCI controllers need this */ #ifdef CFG_OHCI_SWAP_REG_ACCESS -# define readl(a) __swap_16(*((vu_long *)(a))) +# define readl(a) __swap_32(*((vu_long *)(a))) # define writel(a, b) (*((vu_long *)(b)) = __swap_32((vu_long)a)) #else # define readl(a) (*((vu_long *)(a))) -- cgit v1.2.3-70-g09d2 From be5d72d10d47609326226225181e301fb9a33b58 Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Mon, 13 Aug 2007 21:57:53 +0200 Subject: Minor coding style cleanup. Update CHANGELOG. Signed-off-by: Wolfgang Denk --- CHANGELOG | 74 +++++++++++++++++++++++++++++++++++++++++++++ board/cm5200/cm5200.c | 6 ++-- board/cm5200/cm5200.h | 2 +- board/cm5200/cmd_cm5200.c | 2 +- doc/README.generic_usb_ohci | 5 +-- drivers/nand/nand_util.c | 10 +++--- drivers/usb_ohci.c | 11 ------- include/configs/cm5200.h | 21 +------------ libfdt/fdt_ro.c | 1 - 9 files changed, 86 insertions(+), 46 deletions(-) (limited to 'drivers/usb_ohci.c') diff --git a/CHANGELOG b/CHANGELOG index 1228908a5..57299b65f 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -1,3 +1,53 @@ +commit a08458303e7f9db67f296980036d3292c35cb45c +Author: Haavard Skinnemoen +Date: Fri Jun 29 18:38:51 2007 +0200 + + atmel_mci: Fix data timeout value + + Calculate the data timeout based on values from the CSD instead of + just using a hardcoded DTOR value. This is a backport of a similar fix + in BSP 2.0, with one additional fix: the DTOCYC value is rounded up + instead of down. + + Signed-off-by: Haavard Skinnemoen + +commit 0ba8eed28b575626b17e0a7882f923b83e0d7584 +Author: Haavard Skinnemoen +Date: Mon Aug 13 17:22:31 2007 +0200 + + AVR32: Include instead of + + include/asm-avr32/div64.h was recently moved to include/div64.h, but + cpu/at32ap/interrupts.c wasn't properly updated (an earlier version of + the patch was merged perhaps?) + + This patch updates cpu/at32ap/interrupts.c so that the avr32 port + compiles again. + + Signed-off-by: Haavard Skinnemoen + +commit f0d1246ed7cb5a88522244c596d7ae7e6f161283 +Author: Haavard Skinnemoen +Date: Wed Jun 27 13:34:26 2007 +0200 + + atmel_mci: Use 512 byte blocksize if possible + + Instead of always using the largest blocksize the card supports, check + if it can support smaller block sizes and use 512 bytes if possible. + Most cards do support this, and other parts of u-boot seem to have + trouble with block sizes different from 512 bytes. + + Also enable underrun/overrun protection. + + Signed-off-by: Haavard Skinnemoen + Acked-by: Hans-Christian Egtvedt + +commit 9986bc3e40e899bea372a99a2bca4071bdf2e24b +Author: Wolfgang Denk +Date: Sun Aug 12 21:34:50 2007 +0200 + + Update CHANGELOG + commit 77d19a8bf3b0b1e401cb9f23c81e2ef419705c1a Author: Wolfgang Denk Date: Sun Aug 12 21:34:34 2007 +0200 @@ -3928,6 +3978,30 @@ Date: Fri Jan 5 09:15:34 2007 +0100 Signed-off-by Dan Malek, +commit f2134f8e9eb006bdcd729e89f309c07b2fa45180 +Author: Haavard Skinnemoen +Date: Wed May 2 13:31:53 2007 +0200 + + macb: Don't restart autonegotiation if we already have link + + Rework macb_phy_init so that it doesn't attempt to re-negotiate if the + link is already up. + + Signed-off-by: Haavard Skinnemoen + +commit 04fcb5d38bc90779cd9a710d60702075986f0e29 +Author: Haavard Skinnemoen +Date: Wed May 2 13:22:38 2007 +0200 + + macb: Introduce a few barriers when dealing with DMA descriptors + + There were a few theoretical possibilities that the compiler might + optimize away DMA descriptor reads and/or writes and thus cause + synchronization problems with the hardware. Insert barriers where + we depend on reads/writes actually hitting memory. + + Signed-off-by: Haavard Skinnemoen + commit ffa621a0d12a1ccd81c936c567f8917a213787a8 Author: Andy Fleming Date: Sat Feb 24 01:08:13 2007 -0600 diff --git a/board/cm5200/cm5200.c b/board/cm5200/cm5200.c index 6804e33c2..b74ac08bc 100644 --- a/board/cm5200/cm5200.c +++ b/board/cm5200/cm5200.c @@ -122,7 +122,7 @@ long int initdram(int board_type) mem_conf_t *mem_conf; mem_conf = get_mem_config(board_type); - + /* configure SDRAM start/end for detection */ *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001e; /* 2G at 0x0 */ @@ -303,7 +303,7 @@ int checkboard(void) hw_id_t hw_id_tmp; char module_name_tmp[MODULE_NAME_MAXLEN] = ""; - /* + /* * We need I2C to access HW ID data from EEPROM, so we call i2c_init() * here despite the fact that it will be called again later on. We * also use a little trick to silence I2C-related output. @@ -321,7 +321,7 @@ int checkboard(void) else printf("Board: unrecognized cm5200 module (%s)\n", module_name_tmp); - + return 0; } diff --git a/board/cm5200/cm5200.h b/board/cm5200/cm5200.h index a6cbc88f4..b2ea5ce0d 100644 --- a/board/cm5200/cm5200.h +++ b/board/cm5200/cm5200.h @@ -138,7 +138,7 @@ static char **hw_id_list[] = { cmu1_qa_hw_id, }; -/* indices to the above list - keep in sync */ +/* indices to the above list - keep in sync */ enum { CM1_QA, CM11_QA, diff --git a/board/cm5200/cmd_cm5200.c b/board/cm5200/cmd_cm5200.c index fd9b914ae..513c36553 100644 --- a/board/cm5200/cmd_cm5200.c +++ b/board/cm5200/cmd_cm5200.c @@ -1,7 +1,7 @@ /* * (C) Copyright 2007 Markus Kappeler * - * Adapted for U-Boot 1.2 by Piotr Kruszynski + * Adapted for U-Boot 1.2 by Piotr Kruszynski * * See file CREDITS for list of people who contributed to this * project. diff --git a/doc/README.generic_usb_ohci b/doc/README.generic_usb_ohci index c343dfdf9..494dd1f5d 100644 --- a/doc/README.generic_usb_ohci +++ b/doc/README.generic_usb_ohci @@ -41,7 +41,7 @@ mpc5xxx. For these the config option CFG_OHCI_BE_CONTROLLER -needs to be defined. +needs to be defined. PCI Controllers @@ -55,6 +55,3 @@ PCI Controllers need to do byte swapping on register accesses, so they should to define: CFG_OHCI_SWAP_REG_ACCESS - - - diff --git a/drivers/nand/nand_util.c b/drivers/nand/nand_util.c index aee872703..cf05043c0 100644 --- a/drivers/nand/nand_util.c +++ b/drivers/nand/nand_util.c @@ -209,7 +209,7 @@ int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts) } if (!opts->quiet) { - unsigned long long n =(unsigned long long) + unsigned long long n =(unsigned long long) (erase.addr+meminfo->erasesize-opts->offset) * 100; int percent = (int)do_div(n, erase_length); @@ -476,8 +476,8 @@ int nand_write_opts(nand_info_t *meminfo, const nand_write_options_t *opts) imglen -= readlen; if (!opts->quiet) { - unsigned long long n = (unsigned long long) - (opts->length-imglen) * 100; + unsigned long long n = (unsigned long long) + (opts->length-imglen) * 100; int percent = (int)do_div(n, opts->length); /* output progress message only at whole percent * steps to reduce the number of messages printed @@ -651,8 +651,8 @@ int nand_read_opts(nand_info_t *meminfo, const nand_read_options_t *opts) } if (!opts->quiet) { - unsigned long long n = (unsigned long long) - (opts->length-imglen) * 100; + unsigned long long n = (unsigned long long) + (opts->length-imglen) * 100; int percent = (int)do_div(n ,opts->length); /* output progress message only at whole percent * steps to reduce the number of messages printed diff --git a/drivers/usb_ohci.c b/drivers/usb_ohci.c index d6b745fad..f0a37b20a 100644 --- a/drivers/usb_ohci.c +++ b/drivers/usb_ohci.c @@ -132,8 +132,6 @@ int got_rhsc; /* device which was disconnected */ struct usb_device *devgone; - - /*-------------------------------------------------------------------------*/ /* AMD-756 (D2 rev) reports corrupt register contents in some cases. @@ -157,7 +155,6 @@ static inline u32 roothub_status (struct ohci *hc) static u32 roothub_portstatus (struct ohci *hc, int i) { return read_roothub (hc, portstatus [i], 0xffe0fce0); } - /* forward declaration */ static int hc_interrupt (void); static void @@ -412,8 +409,6 @@ static void ohci_dump (ohci_t *controller, int verbose) ep_print_int_eds (controller, "hcca"); dbg ("hcca frame #%04x", controller->hcca->frame_no); ohci_dump_roothub (controller, 1); -} - #endif /* DEBUG */ @@ -701,7 +696,6 @@ static void periodic_unlink ( struct ohci *ohci, volatile struct ed *ed, } } - /* unlink an ed from one of the HC chains. * just the link to the ed is unlinked. * the link from the ed still points to another operational ed or 0 @@ -759,7 +753,6 @@ static int ep_unlink (ohci_t *ohci, ed_t *edi) return 0; } - /*-------------------------------------------------------------------------*/ /* add/reinit an endpoint; this should be done once at the @@ -939,7 +932,6 @@ static void td_submit_job (struct usb_device *dev, unsigned long pipe, void *buf * Done List handling functions *-------------------------------------------------------------------------*/ - /* calculate the transfer length and update the urb */ static void dl_transfer_length(td_t * td) @@ -951,7 +943,6 @@ static void dl_transfer_length(td_t * td) tdBE = m32_swap (td->hwBE); tdCBP = m32_swap (td->hwCBP); - if (!(usb_pipetype (lurb_priv->pipe) == PIPE_CONTROL && ((td->index == 0) || (td->index == lurb_priv->length - 1)))) { if (tdBE != 0) { @@ -1094,7 +1085,6 @@ static __u8 root_hub_dev_des[] = 0x01 /* __u8 bNumConfigurations; */ }; - /* Configuration descriptor */ static __u8 root_hub_config_des[] = { @@ -1172,7 +1162,6 @@ static unsigned char root_hub_str_index1[] = /* Hub class-specific descriptor is constructed dynamically */ - /*-------------------------------------------------------------------------*/ #define OK(x) len = (x); break diff --git a/include/configs/cm5200.h b/include/configs/cm5200.h index 56c0ecb4d..d55434802 100644 --- a/include/configs/cm5200.h +++ b/include/configs/cm5200.h @@ -31,7 +31,6 @@ #define CONFIG_MPC5200 1 /* (more precisely an MPC5200 CPU) */ #define CONFIG_CM5200 1 /* ... on CM5200 platform */ - /* * Supported commands */ @@ -60,7 +59,6 @@ #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 } #define CONFIG_SILENT_CONSOLE 1 /* needed to silence i2c_init() */ - /* * Ethernet configuration */ @@ -71,7 +69,6 @@ #define CONFIG_MISC_INIT_R 1 #define CONFIG_MAC_OFFSET 0x35 /* MAC address offset in I2C EEPROM */ - /* * POST support */ @@ -80,11 +77,9 @@ /* List of I2C addresses to be verified by POST */ #define I2C_ADDR_LIST { CFG_I2C_SLAVE, CFG_I2C_IO, CFG_I2C_EEPROM } - /* display image timestamps */ #define CONFIG_TIMESTAMP 1 - /* * Autobooting */ @@ -137,19 +132,16 @@ "" #define CONFIG_BOOTCOMMAND "run flash_flash" - /* * Low level configuration */ - /* * Clock configuration */ #define CFG_MPC5XXX_CLKIN 33000000 /* SYS_XTAL_IN = 33MHz */ #define CFG_IPBCLK_EQUALS_XLBCLK 1 /* IPB = 133MHz */ - /* * Memory map */ @@ -184,7 +176,7 @@ */ #define CFG_FLASH_CFI 1 #define CFG_FLASH_CFI_DRIVER 1 -#define CFG_FLASH_BASE 0xfc000000 +#define CFG_FLASH_BASE 0xfc000000 /* we need these despite using CFI */ #define CFG_MAX_FLASH_BANKS 1 /* max num of flash banks */ #define CFG_MAX_FLASH_SECT 256 /* max num of sectors on one chip */ @@ -215,7 +207,6 @@ #define CFG_CS_BURST 0x00000000 #define CFG_CS_DEADCYCLE 0x00000001 - /* * SDRAM configuration * settings for k4s561632E-xx75, assuming XLB = 132 MHz @@ -225,8 +216,6 @@ #define SDRAM_CONFIG1 0xE2333900 #define SDRAM_CONFIG2 0x8EE70000 - - /* * MTD configuration */ @@ -238,7 +227,6 @@ "2m(kernel),27904k(rootfs)," \ "-(config)" - /* * I2C configuration */ @@ -249,13 +237,11 @@ #define CFG_I2C_IO 0x38 /* PCA9554AD I2C I/O port address */ #define CFG_I2C_EEPROM 0x53 /* I2C EEPROM device address */ - /* * RTC configuration */ #define CONFIG_RTC_MPC5200 1 /* use internal MPC5200 RTC */ - /* * USB configuration */ @@ -284,7 +270,6 @@ #define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR + CFG_ENV_SECT_SIZE) #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) - /* * Pin multiplexing configuration */ @@ -302,7 +287,6 @@ */ #define CFG_GPS_PORT_CONFIG 0x10559C44 - /* * Miscellaneous configurable options */ @@ -322,7 +306,6 @@ #define CFG_LOAD_ADDR 0x100000 /* default load address */ #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ - /* * Various low-level settings */ @@ -334,7 +317,6 @@ #define CFG_XLB_PIPELINING 1 /* enable transaction pipeling */ - /* * Cache Configuration */ @@ -343,7 +325,6 @@ #define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ #endif - /* * Flat Device Tree support */ diff --git a/libfdt/fdt_ro.c b/libfdt/fdt_ro.c index ffd9209b1..46d525db1 100644 --- a/libfdt/fdt_ro.c +++ b/libfdt/fdt_ro.c @@ -534,4 +534,3 @@ int fdt_get_reservemap(void *fdt, int n, struct fdt_reserve_entry *re) } #endif /* CONFIG_OF_LIBFDT */ - -- cgit v1.2.3-70-g09d2