diff options
Diffstat (limited to 'target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/dev-usb.c')
| -rw-r--r-- | target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/dev-usb.c | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/dev-usb.c b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/dev-usb.c deleted file mode 100644 index 57c7ef292c..0000000000 --- a/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/dev-usb.c +++ /dev/null @@ -1,246 +0,0 @@ -/* - * Atheros AR71xx USB host device support - * - * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> - * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> - * - * Parts of this file are based on Atheros' 2.6.15 BSP - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/dma-mapping.h> -#include <linux/platform_device.h> - -#include <asm/mach-ar71xx/ar71xx.h> -#include <asm/mach-ar71xx/platform.h> - -#include "dev-usb.h" - -/* - * OHCI (USB full speed host controller) - */ -static struct resource ar71xx_ohci_resources[] = { - [0] = { - .start = AR71XX_OHCI_BASE, - .end = AR71XX_OHCI_BASE + AR71XX_OHCI_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = AR71XX_MISC_IRQ_OHCI, - .end = AR71XX_MISC_IRQ_OHCI, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource ar7240_ohci_resources[] = { - [0] = { - .start = AR7240_OHCI_BASE, - .end = AR7240_OHCI_BASE + AR7240_OHCI_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = AR71XX_CPU_IRQ_USB, - .end = AR71XX_CPU_IRQ_USB, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 ar71xx_ohci_dmamask = DMA_BIT_MASK(32); -static struct platform_device ar71xx_ohci_device = { - .name = "ar71xx-ohci", - .id = -1, - .resource = ar71xx_ohci_resources, - .num_resources = ARRAY_SIZE(ar71xx_ohci_resources), - .dev = { - .dma_mask = &ar71xx_ohci_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, -}; - -/* - * EHCI (USB high/full speed host controller) - */ -static struct resource ar71xx_ehci_resources[] = { - [0] = { - .start = AR71XX_EHCI_BASE, - .end = AR71XX_EHCI_BASE + AR71XX_EHCI_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = AR71XX_CPU_IRQ_USB, - .end = AR71XX_CPU_IRQ_USB, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 ar71xx_ehci_dmamask = DMA_BIT_MASK(32); -static struct ar71xx_ehci_platform_data ar71xx_ehci_data; - -static struct platform_device ar71xx_ehci_device = { - .name = "ar71xx-ehci", - .id = -1, - .resource = ar71xx_ehci_resources, - .num_resources = ARRAY_SIZE(ar71xx_ehci_resources), - .dev = { - .dma_mask = &ar71xx_ehci_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &ar71xx_ehci_data, - }, -}; - -#define AR71XX_USB_RESET_MASK \ - (RESET_MODULE_USB_HOST | RESET_MODULE_USB_PHY \ - | RESET_MODULE_USB_OHCI_DLL) - -#define AR7240_USB_RESET_MASK \ - (RESET_MODULE_USB_HOST | RESET_MODULE_USB_OHCI_DLL_7240) - -static void __init ar71xx_usb_setup(void) -{ - ar71xx_device_stop(AR71XX_USB_RESET_MASK); - mdelay(1000); - ar71xx_device_start(AR71XX_USB_RESET_MASK); - - /* Turning on the Buff and Desc swap bits */ - ar71xx_usb_ctrl_wr(USB_CTRL_REG_CONFIG, 0xf0000); - - /* WAR for HW bug. Here it adjusts the duration between two SOFS */ - ar71xx_usb_ctrl_wr(USB_CTRL_REG_FLADJ, 0x20c00); - - mdelay(900); - - platform_device_register(&ar71xx_ohci_device); - platform_device_register(&ar71xx_ehci_device); -} - -static void __init ar7240_usb_setup(void) -{ - ar71xx_device_stop(AR7240_USB_RESET_MASK); - mdelay(1000); - ar71xx_device_start(AR7240_USB_RESET_MASK); - - /* WAR for HW bug. Here it adjusts the duration between two SOFS */ - ar71xx_usb_ctrl_wr(USB_CTRL_REG_FLADJ, 0x3); - - ar71xx_ohci_device.resource = ar7240_ohci_resources; - ar71xx_ohci_device.num_resources = ARRAY_SIZE(ar7240_ohci_resources); - platform_device_register(&ar71xx_ohci_device); -} - -static void __init ar7241_usb_setup(void) -{ - ar71xx_device_start(AR724X_RESET_USBSUS_OVERRIDE); - mdelay(10); - - ar71xx_device_start(AR724X_RESET_USB_HOST); - mdelay(10); - - ar71xx_device_start(AR724X_RESET_USB_PHY); - mdelay(10); - - ar71xx_ehci_data.is_ar91xx = 1; - ar71xx_ehci_device.resource = ar7240_ohci_resources; - ar71xx_ehci_device.num_resources = ARRAY_SIZE(ar7240_ohci_resources); - platform_device_register(&ar71xx_ehci_device); -} - -static void __init ar91xx_usb_setup(void) -{ - ar71xx_device_stop(RESET_MODULE_USBSUS_OVERRIDE); - mdelay(10); - - ar71xx_device_start(RESET_MODULE_USB_HOST); - mdelay(10); - - ar71xx_device_start(RESET_MODULE_USB_PHY); - mdelay(10); - - ar71xx_ehci_data.is_ar91xx = 1; - platform_device_register(&ar71xx_ehci_device); -} - -static void __init ar933x_usb_setup(void) -{ - ar71xx_device_reset_rmw(0, AR933X_RESET_USBSUS_OVERRIDE); - mdelay(10); - - ar71xx_device_reset_rmw(AR933X_RESET_USB_HOST, - AR933X_RESET_USBSUS_OVERRIDE); - mdelay(10); - - ar71xx_device_reset_rmw(AR933X_RESET_USB_PHY, - AR933X_RESET_USBSUS_OVERRIDE); - mdelay(10); - - ar71xx_ehci_data.is_ar91xx = 1; - platform_device_register(&ar71xx_ehci_device); -} - -static void __init ar934x_usb_setup(void) -{ - u32 bootstrap; - - bootstrap = ar71xx_reset_rr(AR934X_RESET_REG_BOOTSTRAP); - if (bootstrap & AR934X_BOOTSTRAP_USB_MODE_DEVICE) - return; - - ar71xx_device_stop(AR934X_RESET_USBSUS_OVERRIDE); - udelay(1000); - - ar71xx_device_start(AR934X_RESET_USB_PHY); - udelay(1000); - - ar71xx_device_start(AR934X_RESET_USB_PHY_ANALOG); - udelay(1000); - - ar71xx_device_start(AR934X_RESET_USB_HOST); - udelay(1000); - - ar71xx_ehci_data.is_ar91xx = 1; - platform_device_register(&ar71xx_ehci_device); -} - -void __init ar71xx_add_device_usb(void) -{ - switch (ar71xx_soc) { - case AR71XX_SOC_AR7240: - ar7240_usb_setup(); - break; - - case AR71XX_SOC_AR7241: - case AR71XX_SOC_AR7242: - ar7241_usb_setup(); - break; - - case AR71XX_SOC_AR7130: - case AR71XX_SOC_AR7141: - case AR71XX_SOC_AR7161: - ar71xx_usb_setup(); - break; - - case AR71XX_SOC_AR9130: - case AR71XX_SOC_AR9132: - ar91xx_usb_setup(); - break; - - case AR71XX_SOC_AR9330: - case AR71XX_SOC_AR9331: - ar933x_usb_setup(); - break; - - case AR71XX_SOC_AR9341: - case AR71XX_SOC_AR9342: - case AR71XX_SOC_AR9344: - ar934x_usb_setup(); - break; - - default: - BUG(); - } -} |