diff options
| -rw-r--r-- | arch/arm/include/asm/arch-omap3/ehci.h (renamed from arch/arm/include/asm/arch-omap3/ehci_omap3.h) | 45 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-omap4/ehci.h | 49 | ||||
| -rw-r--r-- | arch/arm/include/asm/ehci-omap.h | 142 | ||||
| -rw-r--r-- | board/ti/beagle/beagle.c | 22 | ||||
| -rw-r--r-- | board/ti/panda/panda.c | 38 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-omap.c | 207 |
6 files changed, 425 insertions, 78 deletions
diff --git a/arch/arm/include/asm/arch-omap3/ehci_omap3.h b/arch/arm/include/asm/arch-omap3/ehci.h index cd01f5029..0f73d2029 100644 --- a/arch/arm/include/asm/arch-omap3/ehci_omap3.h +++ b/arch/arm/include/asm/arch-omap3/ehci.h @@ -24,35 +24,32 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, * MA 02110-1301 USA */ -#ifndef _EHCI_OMAP3_H_ -#define _EHCI_OMAP3_H_ +#ifndef _OMAP3_EHCI_H_ +#define _OMAP3_EHCI_H_ /* USB/EHCI registers */ -#define OMAP3_USBTLL_BASE 0x48062000UL -#define OMAP3_UHH_BASE 0x48064000UL -#define OMAP3_EHCI_BASE 0x48064800UL +#define OMAP_USBTLL_BASE 0x48062000UL +#define OMAP_UHH_BASE 0x48064000UL +#define OMAP_EHCI_BASE 0x48064800UL /* TLL Register Set */ -#define OMAP_USBTLL_SYSCONFIG (0x10) -#define OMAP_USBTLL_SYSCONFIG_SOFTRESET (1 << 1) -#define OMAP_USBTLL_SYSCONFIG_ENAWAKEUP (1 << 2) -#define OMAP_USBTLL_SYSCONFIG_SIDLEMODE (1 << 3) -#define OMAP_USBTLL_SYSCONFIG_CACTIVITY (1 << 8) - -#define OMAP_USBTLL_SYSSTATUS (0x14) -#define OMAP_USBTLL_SYSSTATUS_RESETDONE (1 << 0) +#define OMAP_USBTLL_SYSCONFIG_SOFTRESET (1 << 1) +#define OMAP_USBTLL_SYSCONFIG_ENAWAKEUP (1 << 2) +#define OMAP_USBTLL_SYSCONFIG_SIDLEMODE (1 << 3) +#define OMAP_USBTLL_SYSCONFIG_CACTIVITY (1 << 8) +#define OMAP_USBTLL_SYSSTATUS_RESETDONE 1 /* UHH Register Set */ -#define OMAP_UHH_SYSCONFIG (0x10) -#define OMAP_UHH_SYSCONFIG_SOFTRESET (1 << 1) -#define OMAP_UHH_SYSCONFIG_CACTIVITY (1 << 8) -#define OMAP_UHH_SYSCONFIG_SIDLEMODE (1 << 3) -#define OMAP_UHH_SYSCONFIG_ENAWAKEUP (1 << 2) -#define OMAP_UHH_SYSCONFIG_MIDLEMODE (1 << 12) +#define OMAP_UHH_SYSCONFIG_SOFTRESET (1 << 1) +#define OMAP_UHH_SYSCONFIG_CACTIVITY (1 << 8) +#define OMAP_UHH_SYSCONFIG_SIDLEMODE (1 << 3) +#define OMAP_UHH_SYSCONFIG_ENAWAKEUP (1 << 2) +#define OMAP_UHH_SYSCONFIG_MIDLEMODE (1 << 12) +#define OMAP_UHH_SYSSTATUS_EHCI_RESETDONE (1 << 2) -#define OMAP_UHH_HOSTCONFIG (0x40) -#define OMAP_UHH_HOSTCONFIG_INCR4_BURST_EN (1 << 2) -#define OMAP_UHH_HOSTCONFIG_INCR8_BURST_EN (1 << 3) -#define OMAP_UHH_HOSTCONFIG_INCR16_BURST_EN (1 << 4) +#define OMAP_UHH_SYSCONFIG_VAL (OMAP_UHH_SYSCONFIG_CACTIVITY | \ + OMAP_UHH_SYSCONFIG_SIDLEMODE | \ + OMAP_UHH_SYSCONFIG_ENAWAKEUP | \ + OMAP_UHH_SYSCONFIG_MIDLEMODE) -#endif /* _EHCI_OMAP3_H_ */ +#endif /* _OMAP3_EHCI_H_ */ diff --git a/arch/arm/include/asm/arch-omap4/ehci.h b/arch/arm/include/asm/arch-omap4/ehci.h new file mode 100644 index 000000000..984c8b9f7 --- /dev/null +++ b/arch/arm/include/asm/arch-omap4/ehci.h @@ -0,0 +1,49 @@ +/* + * OMAP EHCI port support + * Based on LINUX KERNEL + * drivers/usb/host/ehci-omap.c and drivers/mfd/omap-usb-host.c + * + * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com + * Author: Govindraj R <govindraj.raja@ti.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. + * + * 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, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _OMAP4_EHCI_H_ +#define _OMAP4_EHCI_H_ + +#define OMAP_EHCI_BASE (OMAP44XX_L4_CORE_BASE + 0x64C00) +#define OMAP_UHH_BASE (OMAP44XX_L4_CORE_BASE + 0x64000) +#define OMAP_USBTLL_BASE (OMAP44XX_L4_CORE_BASE + 0x62000) + +/* UHH, TLL and opt clocks */ +#define CM_L3INIT_HSUSBHOST_CLKCTRL 0x4A009358UL + +#define HSUSBHOST_CLKCTRL_CLKSEL_UTMI_P1_MASK (1 << 24) + +/* TLL Register Set */ +#define OMAP_USBTLL_SYSCONFIG_SIDLEMODE (1 << 3) +#define OMAP_USBTLL_SYSCONFIG_ENAWAKEUP (1 << 2) +#define OMAP_USBTLL_SYSCONFIG_SOFTRESET (1 << 1) +#define OMAP_USBTLL_SYSCONFIG_CACTIVITY (1 << 8) +#define OMAP_USBTLL_SYSSTATUS_RESETDONE 1 + +#define OMAP_UHH_SYSCONFIG_SOFTRESET 1 +#define OMAP_UHH_SYSSTATUS_EHCI_RESETDONE (1 << 2) +#define OMAP_UHH_SYSCONFIG_NOIDLE (1 << 2) +#define OMAP_UHH_SYSCONFIG_NOSTDBY (1 << 4) + +#define OMAP_UHH_SYSCONFIG_VAL (OMAP_UHH_SYSCONFIG_NOIDLE | \ + OMAP_UHH_SYSCONFIG_NOSTDBY) + +#endif /* _OMAP4_EHCI_H_ */ diff --git a/arch/arm/include/asm/ehci-omap.h b/arch/arm/include/asm/ehci-omap.h new file mode 100644 index 000000000..e72c5df11 --- /dev/null +++ b/arch/arm/include/asm/ehci-omap.h @@ -0,0 +1,142 @@ +/* + * OMAP EHCI port support + * Based on LINUX KERNEL + * drivers/usb/host/ehci-omap.c and drivers/mfd/omap-usb-host.c + * + * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com* + * Author: Govindraj R <govindraj.raja@ti.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. + * + * 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, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _OMAP_COMMON_EHCI_H_ +#define _OMAP_COMMON_EHCI_H_ + +enum usbhs_omap_port_mode { + OMAP_USBHS_PORT_MODE_UNUSED, + OMAP_EHCI_PORT_MODE_PHY, + OMAP_EHCI_PORT_MODE_TLL, + OMAP_EHCI_PORT_MODE_HSIC, +}; + +#ifdef CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS +#define OMAP_HS_USB_PORTS CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS +#else +#define OMAP_HS_USB_PORTS 3 +#endif + +#define is_ehci_phy_mode(x) ((x) == OMAP_EHCI_PORT_MODE_PHY) +#define is_ehci_tll_mode(x) ((x) == OMAP_EHCI_PORT_MODE_TLL) +#define is_ehci_hsic_mode(x) ((x) == OMAP_EHCI_PORT_MODE_HSIC) + +/* Values of UHH_REVISION - Note: these are not given in the TRM */ +#define OMAP_USBHS_REV1 0x00000010 /* OMAP3 */ +#define OMAP_USBHS_REV2 0x50700100 /* OMAP4 */ + +/* UHH Register Set */ +#define OMAP_UHH_HOSTCONFIG_INCR4_BURST_EN (1 << 2) +#define OMAP_UHH_HOSTCONFIG_INCR8_BURST_EN (1 << 3) +#define OMAP_UHH_HOSTCONFIG_INCR16_BURST_EN (1 << 4) +#define OMAP_UHH_HOSTCONFIG_INCRX_ALIGN_EN (1 << 5) + +#define OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS 1 +#define OMAP_UHH_HOSTCONFIG_ULPI_P2_BYPASS (1 << 11) +#define OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS (1 << 12) +#define OMAP4_UHH_HOSTCONFIG_APP_START_CLK (1 << 31) + +#define OMAP_P1_MODE_CLEAR (3 << 16) +#define OMAP_P1_MODE_TLL (1 << 16) +#define OMAP_P1_MODE_HSIC (3 << 16) +#define OMAP_P2_MODE_CLEAR (3 << 18) +#define OMAP_P2_MODE_TLL (1 << 18) +#define OMAP_P2_MODE_HSIC (3 << 18) +#define OMAP_P3_MODE_HSIC (3 << 20) + +/* EHCI Register Set */ +#define EHCI_INSNREG04_DISABLE_UNSUSPEND (1 << 5) +#define EHCI_INSNREG05_ULPI_CONTROL_SHIFT 31 +#define EHCI_INSNREG05_ULPI_PORTSEL_SHIFT 24 +#define EHCI_INSNREG05_ULPI_OPSEL_SHIFT 22 +#define EHCI_INSNREG05_ULPI_REGADD_SHIFT 16 + +#define OMAP_REV1_TLL_CHANNEL_COUNT 3 +#define OMAP_REV2_TLL_CHANNEL_COUNT 2 + +/* TLL Register Set */ +#define OMAP_TLL_CHANNEL_CONF(num) (0x004 * num) +#define OMAP_TLL_CHANNEL_CONF_DRVVBUS (1 << 16) +#define OMAP_TLL_CHANNEL_CONF_CHRGVBUS (1 << 15) +#define OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF (1 << 11) +#define OMAP_TLL_CHANNEL_CONF_CHANMODE_TRANSPARENT_UTMI (2 << 1) +#define OMAP_TLL_CHANNEL_CONF_CHANEN 1 + +struct omap_usbhs_board_data { + enum usbhs_omap_port_mode port_mode[OMAP_HS_USB_PORTS]; +}; + +struct omap_usbtll { + u32 rev; /* 0x00 */ + u32 hwinfo; /* 0x04 */ + u8 reserved1[0x8]; + u32 sysc; /* 0x10 */ + u32 syss; /* 0x14 */ + u32 irqst; /* 0x18 */ + u32 irqen; /* 0x1c */ + u8 reserved2[0x10]; + u32 shared_conf; /* 0x30 */ + u8 reserved3[0xc]; + u32 channel_conf; /* 0x40 */ +}; + +struct omap_uhh { + u32 rev; /* 0x00 */ + u32 hwinfo; /* 0x04 */ + u8 reserved1[0x8]; + u32 sysc; /* 0x10 */ + u32 syss; /* 0x14 */ + u8 reserved2[0x28]; + u32 hostconfig; /* 0x40 */ + u32 debugcsr; /* 0x44 */ +}; + +struct omap_ehci { + u32 hccapbase; /* 0x00 */ + u32 hcsparams; /* 0x04 */ + u32 hccparams; /* 0x08 */ + u8 reserved1[0x04]; + u32 usbcmd; /* 0x10 */ + u32 usbsts; /* 0x14 */ + u32 usbintr; /* 0x18 */ + u32 frindex; /* 0x1c */ + u32 ctrldssegment; /* 0x20 */ + u32 periodiclistbase; /* 0x24 */ + u32 asysnclistaddr; /* 0x28 */ + u8 reserved2[0x24]; + u32 configflag; /* 0x50 */ + u32 portsc_i; /* 0x54 */ + u8 reserved3[0x38]; + u32 insreg00; /* 0x90 */ + u32 insreg01; /* 0x94 */ + u32 insreg02; /* 0x98 */ + u32 insreg03; /* 0x9c */ + u32 insreg04; /* 0xa0 */ + u32 insreg05_utmi_ulpi; /* 0xa4 */ + u32 insreg06; /* 0xa8 */ + u32 insreg07; /* 0xac */ + u32 insreg08; /* 0xb0 */ +}; + +int omap_ehci_hcd_init(struct omap_usbhs_board_data *usbhs_pdata); +int omap_ehci_hcd_stop(void); + +#endif /* _OMAP_COMMON_EHCI_H_ */ diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c index 624ff70d8..87578763b 100644 --- a/board/ti/beagle/beagle.c +++ b/board/ti/beagle/beagle.c @@ -45,6 +45,11 @@ #include "beagle.h" #include <command.h> +#ifdef CONFIG_USB_EHCI +#include <usb.h> +#include <asm/ehci-omap.h> +#endif + #define pr_debug(fmt, args...) debug(fmt, ##args) #define TWL4030_I2C_BUS 0 @@ -449,6 +454,23 @@ void show_boot_progress(int val) if(val == 15) usb_stop(); } + +static struct omap_usbhs_board_data usbhs_bdata = { + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED +}; + +int ehci_hcd_init(void) +{ + return omap_ehci_hcd_init(&usbhs_bdata); +} + +int ehci_hcd_stop(void) +{ + return omap_ehci_hcd_stop(); +} + #endif /* CONFIG_USB_EHCI */ #ifndef CONFIG_SPL_BUILD diff --git a/board/ti/panda/panda.c b/board/ti/panda/panda.c index fc8c0b4bc..ca4b8b35e 100644 --- a/board/ti/panda/panda.c +++ b/board/ti/panda/panda.c @@ -26,9 +26,16 @@ #include <asm/arch/mmc_host_def.h> #include <asm/arch/clocks.h> #include <asm/arch/gpio.h> +#include <asm/gpio.h> #include "panda_mux_data.h" +#ifdef CONFIG_USB_EHCI +#include <usb.h> +#include <asm/arch/ehci.h> +#include <asm/ehci-omap.h> +#endif + #define PANDA_ULPI_PHY_TYPE_GPIO 182 DECLARE_GLOBAL_DATA_PTR; @@ -177,6 +184,37 @@ int board_mmc_init(bd_t *bis) } #endif +#ifdef CONFIG_USB_EHCI + +static struct omap_usbhs_board_data usbhs_bdata = { + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, + .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, +}; + +int ehci_hcd_init(void) +{ + int ret; + unsigned int utmi_clk; + + /* Now we can enable our port clocks */ + utmi_clk = readl((void *)CM_L3INIT_HSUSBHOST_CLKCTRL); + utmi_clk |= HSUSBHOST_CLKCTRL_CLKSEL_UTMI_P1_MASK; + sr32((void *)CM_L3INIT_HSUSBHOST_CLKCTRL, 0, 32, utmi_clk); + + ret = omap_ehci_hcd_init(&usbhs_bdata); + if (ret < 0) + return ret; + + return 0; +} + +int ehci_hcd_stop(void) +{ + return omap_ehci_hcd_stop(); +} +#endif + /* * get_board_rev() - get board revision */ diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 93d3bb734..00f787fc9 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -27,14 +27,78 @@ */ #include <common.h> #include <usb.h> +#include <usb/ulpi.h> +#include <errno.h> #include <asm/io.h> #include <asm/gpio.h> -#include <asm/arch/clocks.h> -#include <asm/arch/clocks_omap3.h> -#include <asm/arch/ehci_omap3.h> -#include <asm/arch/sys_proto.h> +#include <asm/arch/ehci.h> +#include <asm/ehci-omap.h> #include "ehci-core.h" +static struct omap_uhh *const uhh = (struct omap_uhh *)OMAP_UHH_BASE; +static struct omap_usbtll *const usbtll = (struct omap_usbtll *)OMAP_USBTLL_BASE; +static struct omap_ehci *const ehci = (struct omap_ehci *)OMAP_EHCI_BASE; + +static int omap_uhh_reset(void) +{ + unsigned long init = get_timer(0); + + /* perform UHH soft reset, and wait until reset is complete */ + writel(OMAP_UHH_SYSCONFIG_SOFTRESET, &uhh->sysc); + + /* Wait for UHH reset to complete */ + while (!(readl(&uhh->syss) & OMAP_UHH_SYSSTATUS_EHCI_RESETDONE)) + if (get_timer(init) > CONFIG_SYS_HZ) { + debug("OMAP UHH error: timeout resetting ehci\n"); + return -EL3RST; + } + + return 0; +} + +static int omap_ehci_tll_reset(void) +{ + unsigned long init = get_timer(0); + + /* perform TLL soft reset, and wait until reset is complete */ + writel(OMAP_USBTLL_SYSCONFIG_SOFTRESET, &usbtll->sysc); + + /* Wait for TLL reset to complete */ + while (!(readl(&usbtll->syss) & OMAP_USBTLL_SYSSTATUS_RESETDONE)) + if (get_timer(init) > CONFIG_SYS_HZ) { + debug("OMAP EHCI error: timeout resetting TLL\n"); + return -EL3RST; + } + + return 0; +} + +static void omap_usbhs_hsic_init(int port) +{ + unsigned int reg; + + /* Enable channels now */ + reg = readl(&usbtll->channel_conf + port); + + setbits_le32(®, (OMAP_TLL_CHANNEL_CONF_CHANMODE_TRANSPARENT_UTMI + | OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF + | OMAP_TLL_CHANNEL_CONF_DRVVBUS + | OMAP_TLL_CHANNEL_CONF_CHRGVBUS + | OMAP_TLL_CHANNEL_CONF_CHANEN)); + + writel(reg, &usbtll->channel_conf + port); +} + +static void omap_ehci_soft_phy_reset(int port) +{ + struct ulpi_viewport ulpi_vp; + + ulpi_vp.viewport_addr = (u32)&ehci->insreg05_utmi_ulpi; + ulpi_vp.port_num = port; + + ulpi_reset(&ulpi_vp); +} + inline int __board_usb_init(void) { return 0; @@ -72,31 +136,31 @@ static inline void omap_ehci_phy_reset(int on, int delay) #endif /* Reset is needed otherwise the kernel-driver will throw an error. */ -int ehci_hcd_stop(void) +int omap_ehci_hcd_stop(void) { - debug("Resetting OMAP3 EHCI\n"); + debug("Resetting OMAP EHCI\n"); omap_ehci_phy_reset(1, 0); - writel(OMAP_UHH_SYSCONFIG_SOFTRESET, - OMAP3_UHH_BASE + OMAP_UHH_SYSCONFIG); - /* disable USB clocks */ - struct prcm *prcm_base = (struct prcm *)PRCM_BASE; - sr32(&prcm_base->iclken_usbhost, 0, 1, 0); - sr32(&prcm_base->fclken_usbhost, 0, 2, 0); - sr32(&prcm_base->iclken3_core, 2, 1, 0); - sr32(&prcm_base->fclken3_core, 2, 1, 0); + + if (omap_uhh_reset() < 0) + return -1; + + if (omap_ehci_tll_reset() < 0) + return -1; + return 0; } /* - * Initialize the OMAP3 EHCI controller and PHY. - * Based on "drivers/usb/host/ehci-omap.c" from Linux 2.6.37. + * Initialize the OMAP EHCI controller and PHY. + * Based on "drivers/usb/host/ehci-omap.c" from Linux 3.1 * See there for additional Copyrights. */ -int ehci_hcd_init(void) +int omap_ehci_hcd_init(struct omap_usbhs_board_data *usbhs_pdata) { int ret; + unsigned int i, reg = 0, rev = 0; - debug("Initializing OMAP3 EHCI\n"); + debug("Initializing OMAP EHCI\n"); ret = board_usb_init(); if (ret < 0) @@ -105,52 +169,87 @@ int ehci_hcd_init(void) /* Put the PHY in RESET */ omap_ehci_phy_reset(1, 10); - struct prcm *prcm_base = (struct prcm *)PRCM_BASE; - /* Enable USBHOST_L3_ICLK (USBHOST_MICLK) */ - sr32(&prcm_base->iclken_usbhost, 0, 1, 1); - /* - * Enable USBHOST_48M_FCLK (USBHOST_FCLK1) - * and USBHOST_120M_FCLK (USBHOST_FCLK2) - */ - sr32(&prcm_base->fclken_usbhost, 0, 2, 3); - /* Enable USBTTL_ICLK */ - sr32(&prcm_base->iclken3_core, 2, 1, 1); - /* Enable USBTTL_FCLK */ - sr32(&prcm_base->fclken3_core, 2, 1, 1); - debug("USB clocks enabled\n"); + ret = omap_uhh_reset(); + if (ret < 0) + return ret; - /* perform TLL soft reset, and wait until reset is complete */ - writel(OMAP_USBTLL_SYSCONFIG_SOFTRESET, - OMAP3_USBTLL_BASE + OMAP_USBTLL_SYSCONFIG); - /* Wait for TLL reset to complete */ - while (!(readl(OMAP3_USBTLL_BASE + OMAP_USBTLL_SYSSTATUS) - & OMAP_USBTLL_SYSSTATUS_RESETDONE)) - ; - debug("TLL reset done\n"); + ret = omap_ehci_tll_reset(); + if (ret) + return ret; writel(OMAP_USBTLL_SYSCONFIG_ENAWAKEUP | OMAP_USBTLL_SYSCONFIG_SIDLEMODE | - OMAP_USBTLL_SYSCONFIG_CACTIVITY, - OMAP3_USBTLL_BASE + OMAP_USBTLL_SYSCONFIG); + OMAP_USBTLL_SYSCONFIG_CACTIVITY, &usbtll->sysc); /* Put UHH in NoIdle/NoStandby mode */ - writel(OMAP_UHH_SYSCONFIG_ENAWAKEUP - | OMAP_UHH_SYSCONFIG_SIDLEMODE - | OMAP_UHH_SYSCONFIG_CACTIVITY - | OMAP_UHH_SYSCONFIG_MIDLEMODE, - OMAP3_UHH_BASE + OMAP_UHH_SYSCONFIG); + writel(OMAP_UHH_SYSCONFIG_VAL, &uhh->sysc); + + /* setup ULPI bypass and burst configurations */ + clrsetbits_le32(®, OMAP_UHH_HOSTCONFIG_INCRX_ALIGN_EN, + (OMAP_UHH_HOSTCONFIG_INCR4_BURST_EN | + OMAP_UHH_HOSTCONFIG_INCR8_BURST_EN | + OMAP_UHH_HOSTCONFIG_INCR16_BURST_EN)); - /* setup burst configurations */ - writel(OMAP_UHH_HOSTCONFIG_INCR4_BURST_EN - | OMAP_UHH_HOSTCONFIG_INCR8_BURST_EN - | OMAP_UHH_HOSTCONFIG_INCR16_BURST_EN, - OMAP3_UHH_BASE + OMAP_UHH_HOSTCONFIG); + rev = readl(&uhh->rev); + if (rev == OMAP_USBHS_REV1) { + if (is_ehci_phy_mode(usbhs_pdata->port_mode[0])) + clrbits_le32(®, OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS); + else + setbits_le32(®, OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS); + + if (is_ehci_phy_mode(usbhs_pdata->port_mode[1])) + clrbits_le32(®, OMAP_UHH_HOSTCONFIG_ULPI_P2_BYPASS); + else + setbits_le32(®, OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS); + + if (is_ehci_phy_mode(usbhs_pdata->port_mode[2])) + clrbits_le32(®, OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS); + else + setbits_le32(®, OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS); + } else if (rev == OMAP_USBHS_REV2) { + clrsetbits_le32(®, (OMAP_P1_MODE_CLEAR | OMAP_P2_MODE_CLEAR), + OMAP4_UHH_HOSTCONFIG_APP_START_CLK); + + /* Clear port mode fields for PHY mode*/ + + if (is_ehci_hsic_mode(usbhs_pdata->port_mode[0])) + setbits_le32(®, OMAP_P1_MODE_HSIC); + + if (is_ehci_hsic_mode(usbhs_pdata->port_mode[1])) + setbits_le32(®, OMAP_P2_MODE_HSIC); + + if (is_ehci_hsic_mode(usbhs_pdata->port_mode[2])) + setbits_le32(®, OMAP_P3_MODE_HSIC); + } + + debug("OMAP UHH_REVISION 0x%x\n", rev); + writel(reg, &uhh->hostconfig); + + for (i = 0; i < OMAP_HS_USB_PORTS; i++) + if (is_ehci_hsic_mode(usbhs_pdata->port_mode[i])) + omap_usbhs_hsic_init(i); omap_ehci_phy_reset(0, 10); - hccr = (struct ehci_hccr *)(OMAP3_EHCI_BASE); - hcor = (struct ehci_hcor *)(OMAP3_EHCI_BASE + 0x10); + /* + * An undocumented "feature" in the OMAP3 EHCI controller, + * causes suspended ports to be taken out of suspend when + * the USBCMD.Run/Stop bit is cleared (for example when + * we do ehci_bus_suspend). + * This breaks suspend-resume if the root-hub is allowed + * to suspend. Writing 1 to this undocumented register bit + * disables this feature and restores normal behavior. + */ + writel(EHCI_INSNREG04_DISABLE_UNSUSPEND, &ehci->insreg04); + + for (i = 0; i < OMAP_HS_USB_PORTS; i++) + if (is_ehci_phy_mode(usbhs_pdata->port_mode[i])) + omap_ehci_soft_phy_reset(i); + + dcache_disable(); + hccr = (struct ehci_hccr *)(OMAP_EHCI_BASE); + hcor = (struct ehci_hcor *)(OMAP_EHCI_BASE + 0x10); - debug("OMAP3 EHCI init done\n"); + debug("OMAP EHCI init done\n"); return 0; } |