diff options
Diffstat (limited to 'arch/arm/mach-omap2/usb-fs.c')
| -rw-r--r-- | arch/arm/mach-omap2/usb-fs.c | 359 | 
1 files changed, 0 insertions, 359 deletions
diff --git a/arch/arm/mach-omap2/usb-fs.c b/arch/arm/mach-omap2/usb-fs.c deleted file mode 100644 index 1481078763b..00000000000 --- a/arch/arm/mach-omap2/usb-fs.c +++ /dev/null @@ -1,359 +0,0 @@ -/* - * Platform level USB initialization for FS USB OTG controller on omap1 and 24xx - * - * Copyright (C) 2004 Texas Instruments, Inc. - * - * 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 <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/clk.h> -#include <linux/err.h> - -#include <asm/irq.h> - -#include <plat/usb.h> -#include <plat/board.h> - -#include "control.h" -#include "mux.h" - -#define INT_USB_IRQ_GEN		INT_24XX_USB_IRQ_GEN -#define INT_USB_IRQ_NISO	INT_24XX_USB_IRQ_NISO -#define INT_USB_IRQ_ISO		INT_24XX_USB_IRQ_ISO -#define INT_USB_IRQ_HGEN	INT_24XX_USB_IRQ_HGEN -#define INT_USB_IRQ_OTG		INT_24XX_USB_IRQ_OTG - -#if defined(CONFIG_ARCH_OMAP2) - -#ifdef	CONFIG_USB_GADGET_OMAP - -static struct resource udc_resources[] = { -	/* order is significant! */ -	{		/* registers */ -		.start		= UDC_BASE, -		.end		= UDC_BASE + 0xff, -		.flags		= IORESOURCE_MEM, -	}, {		/* general IRQ */ -		.start		= INT_USB_IRQ_GEN, -		.flags		= IORESOURCE_IRQ, -	}, {		/* PIO IRQ */ -		.start		= INT_USB_IRQ_NISO, -		.flags		= IORESOURCE_IRQ, -	}, {		/* SOF IRQ */ -		.start		= INT_USB_IRQ_ISO, -		.flags		= IORESOURCE_IRQ, -	}, -}; - -static u64 udc_dmamask = ~(u32)0; - -static struct platform_device udc_device = { -	.name		= "omap_udc", -	.id		= -1, -	.dev = { -		.dma_mask		= &udc_dmamask, -		.coherent_dma_mask	= 0xffffffff, -	}, -	.num_resources	= ARRAY_SIZE(udc_resources), -	.resource	= udc_resources, -}; - -static inline void udc_device_init(struct omap_usb_config *pdata) -{ -	pdata->udc_device = &udc_device; -} - -#else - -static inline void udc_device_init(struct omap_usb_config *pdata) -{ -} - -#endif - -#if	defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) - -/* The dmamask must be set for OHCI to work */ -static u64 ohci_dmamask = ~(u32)0; - -static struct resource ohci_resources[] = { -	{ -		.start	= OMAP_OHCI_BASE, -		.end	= OMAP_OHCI_BASE + 0xff, -		.flags	= IORESOURCE_MEM, -	}, -	{ -		.start	= INT_USB_IRQ_HGEN, -		.flags	= IORESOURCE_IRQ, -	}, -}; - -static struct platform_device ohci_device = { -	.name			= "ohci", -	.id			= -1, -	.dev = { -		.dma_mask		= &ohci_dmamask, -		.coherent_dma_mask	= 0xffffffff, -	}, -	.num_resources	= ARRAY_SIZE(ohci_resources), -	.resource		= ohci_resources, -}; - -static inline void ohci_device_init(struct omap_usb_config *pdata) -{ -	pdata->ohci_device = &ohci_device; -} - -#else - -static inline void ohci_device_init(struct omap_usb_config *pdata) -{ -} - -#endif - -#if	defined(CONFIG_USB_OTG) && defined(CONFIG_ARCH_OMAP_OTG) - -static struct resource otg_resources[] = { -	/* order is significant! */ -	{ -		.start		= OTG_BASE, -		.end		= OTG_BASE + 0xff, -		.flags		= IORESOURCE_MEM, -	}, { -		.start		= INT_USB_IRQ_OTG, -		.flags		= IORESOURCE_IRQ, -	}, -}; - -static struct platform_device otg_device = { -	.name		= "omap_otg", -	.id		= -1, -	.num_resources	= ARRAY_SIZE(otg_resources), -	.resource	= otg_resources, -}; - -static inline void otg_device_init(struct omap_usb_config *pdata) -{ -	pdata->otg_device = &otg_device; -} - -#else - -static inline void otg_device_init(struct omap_usb_config *pdata) -{ -} - -#endif - -static void omap2_usb_devconf_clear(u8 port, u32 mask) -{ -	u32 r; - -	r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); -	r &= ~USBTXWRMODEI(port, mask); -	omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0); -} - -static void omap2_usb_devconf_set(u8 port, u32 mask) -{ -	u32 r; - -	r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); -	r |= USBTXWRMODEI(port, mask); -	omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0); -} - -static void omap2_usb2_disable_5pinbitll(void) -{ -	u32 r; - -	r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); -	r &= ~(USBTXWRMODEI(2, USB_BIDIR_TLL) | USBT2TLL5PI); -	omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0); -} - -static void omap2_usb2_enable_5pinunitll(void) -{ -	u32 r; - -	r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); -	r |= USBTXWRMODEI(2, USB_UNIDIR_TLL) | USBT2TLL5PI; -	omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0); -} - -static u32 __init omap2_usb0_init(unsigned nwires, unsigned is_device) -{ -	u32	syscon1 = 0; - -	omap2_usb_devconf_clear(0, USB_BIDIR_TLL); - -	if (nwires == 0) -		return 0; - -	if (is_device) -		omap_mux_init_signal("usb0_puen", 0); - -	omap_mux_init_signal("usb0_dat", 0); -	omap_mux_init_signal("usb0_txen", 0); -	omap_mux_init_signal("usb0_se0", 0); -	if (nwires != 3) -		omap_mux_init_signal("usb0_rcv", 0); - -	switch (nwires) { -	case 3: -		syscon1 = 2; -		omap2_usb_devconf_set(0, USB_BIDIR); -		break; -	case 4: -		syscon1 = 1; -		omap2_usb_devconf_set(0, USB_BIDIR); -		break; -	case 6: -		syscon1 = 3; -		omap_mux_init_signal("usb0_vp", 0); -		omap_mux_init_signal("usb0_vm", 0); -		omap2_usb_devconf_set(0, USB_UNIDIR); -		break; -	default: -		printk(KERN_ERR "illegal usb%d %d-wire transceiver\n", -			0, nwires); -	} - -	return syscon1 << 16; -} - -static u32 __init omap2_usb1_init(unsigned nwires) -{ -	u32	syscon1 = 0; - -	omap2_usb_devconf_clear(1, USB_BIDIR_TLL); - -	if (nwires == 0) -		return 0; - -	/* NOTE:  board-specific code must set up pin muxing for usb1, -	 * since each signal could come out on either of two balls. -	 */ - -	switch (nwires) { -	case 2: -		/* NOTE: board-specific code must override this setting if -		 * this TLL link is not using DP/DM -		 */ -		syscon1 = 1; -		omap2_usb_devconf_set(1, USB_BIDIR_TLL); -		break; -	case 3: -		syscon1 = 2; -		omap2_usb_devconf_set(1, USB_BIDIR); -		break; -	case 4: -		syscon1 = 1; -		omap2_usb_devconf_set(1, USB_BIDIR); -		break; -	case 6: -	default: -		printk(KERN_ERR "illegal usb%d %d-wire transceiver\n", -			1, nwires); -	} - -	return syscon1 << 20; -} - -static u32 __init omap2_usb2_init(unsigned nwires, unsigned alt_pingroup) -{ -	u32	syscon1 = 0; - -	omap2_usb2_disable_5pinbitll(); -	alt_pingroup = 0; - -	/* NOTE omap1 erratum: must leave USB2_UNI_R set if usb0 in use */ -	if (alt_pingroup || nwires == 0) -		return 0; - -	omap_mux_init_signal("usb2_dat", 0); -	omap_mux_init_signal("usb2_se0", 0); -	if (nwires > 2) -		omap_mux_init_signal("usb2_txen", 0); -	if (nwires > 3) -		omap_mux_init_signal("usb2_rcv", 0); - -	switch (nwires) { -	case 2: -		/* NOTE: board-specific code must override this setting if -		 * this TLL link is not using DP/DM -		 */ -		syscon1 = 1; -		omap2_usb_devconf_set(2, USB_BIDIR_TLL); -		break; -	case 3: -		syscon1 = 2; -		omap2_usb_devconf_set(2, USB_BIDIR); -		break; -	case 4: -		syscon1 = 1; -		omap2_usb_devconf_set(2, USB_BIDIR); -		break; -	case 5: -		/* NOTE: board-specific code must mux this setting depending -		 * on TLL link using DP/DM.  Something must also -		 * set up OTG_SYSCON2.HMC_TLL{ATTACH,SPEED} -		 * 2420: hdq_sio.usb2_tllse0 or vlynq_rx0.usb2_tllse0 -		 * 2430: hdq_sio.usb2_tllse0 or sdmmc2_dat0.usb2_tllse0 -		 */ - -		syscon1 = 3; -		omap2_usb2_enable_5pinunitll(); -		break; -	case 6: -	default: -		printk(KERN_ERR "illegal usb%d %d-wire transceiver\n", -			2, nwires); -	} - -	return syscon1 << 24; -} - -void __init omap2_usbfs_init(struct omap_usb_config *pdata) -{ -	struct clk *ick; - -	if (!cpu_is_omap24xx()) -		return; - -	ick = clk_get(NULL, "usb_l4_ick"); -	if (IS_ERR(ick)) -		return; - -	clk_enable(ick); -	pdata->usb0_init = omap2_usb0_init; -	pdata->usb1_init = omap2_usb1_init; -	pdata->usb2_init = omap2_usb2_init; -	udc_device_init(pdata); -	ohci_device_init(pdata); -	otg_device_init(pdata); -	omap_otg_init(pdata); -	clk_disable(ick); -	clk_put(ick); -} - -#endif  |