diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.2/003-MIPS-ath79-add-common-USB-Host-Controller-device.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.2/003-MIPS-ath79-add-common-USB-Host-Controller-device.patch | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.2/003-MIPS-ath79-add-common-USB-Host-Controller-device.patch b/target/linux/ar71xx/patches-3.2/003-MIPS-ath79-add-common-USB-Host-Controller-device.patch new file mode 100644 index 0000000..dbfb80c --- /dev/null +++ b/target/linux/ar71xx/patches-3.2/003-MIPS-ath79-add-common-USB-Host-Controller-device.patch @@ -0,0 +1,375 @@ +From cb888b2552199ace429731b772d5257c598d53df Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Sun, 5 Jun 2011 23:38:46 +0200 +Subject: [PATCH 03/27] MIPS: ath79: add common USB Host Controller device + +Add common platform_device and helper code to make the registration of +the built-in USB controllers easier on the board which are using them. +Also register the USB controller on the AP81 and PB44 boards. + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +Signed-off-by: Imre Kaloz <kaloz@openwrt.org> +Cc: linux-mips@linux-mips.org +Patchwork: https://patchwork.linux-mips.org/patch/2442/ +Signed-off-by: Ralf Baechle <ralf@linux-mips.org> +--- + arch/mips/ath79/Kconfig | 5 + + arch/mips/ath79/Makefile | 1 + + arch/mips/ath79/dev-usb.c | 178 ++++++++++++++++++++++++ + arch/mips/ath79/dev-usb.h | 17 +++ + arch/mips/ath79/mach-ap81.c | 2 + + arch/mips/ath79/mach-pb44.c | 2 + + arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 32 ++++- + 7 files changed, 236 insertions(+), 1 deletions(-) + create mode 100644 arch/mips/ath79/dev-usb.c + create mode 100644 arch/mips/ath79/dev-usb.h + +--- a/arch/mips/ath79/Kconfig ++++ b/arch/mips/ath79/Kconfig +@@ -9,6 +9,7 @@ config ATH79_MACH_AP81 + select ATH79_DEV_GPIO_BUTTONS + select ATH79_DEV_LEDS_GPIO + select ATH79_DEV_SPI ++ select ATH79_DEV_USB + help + Say 'Y' here if you want your kernel to support the + Atheros AP81 reference board. +@@ -19,6 +20,7 @@ config ATH79_MACH_PB44 + select ATH79_DEV_GPIO_BUTTONS + select ATH79_DEV_LEDS_GPIO + select ATH79_DEV_SPI ++ select ATH79_DEV_USB + help + Say 'Y' here if you want your kernel to support the + Atheros PB44 reference board. +@@ -52,4 +54,7 @@ config ATH79_DEV_LEDS_GPIO + config ATH79_DEV_SPI + def_bool n + ++config ATH79_DEV_USB ++ def_bool n ++ + endif +--- a/arch/mips/ath79/Makefile ++++ b/arch/mips/ath79/Makefile +@@ -20,6 +20,7 @@ obj-$(CONFIG_ATH79_DEV_AR913X_WMAC) += d + obj-$(CONFIG_ATH79_DEV_GPIO_BUTTONS) += dev-gpio-buttons.o + obj-$(CONFIG_ATH79_DEV_LEDS_GPIO) += dev-leds-gpio.o + obj-$(CONFIG_ATH79_DEV_SPI) += dev-spi.o ++obj-$(CONFIG_ATH79_DEV_USB) += dev-usb.o + + # + # Machines +--- /dev/null ++++ b/arch/mips/ath79/dev-usb.c +@@ -0,0 +1,178 @@ ++/* ++ * Atheros AR7XXX/AR9XXX USB Host Controller device ++ * ++ * Copyright (C) 2008-2011 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/irq.h> ++#include <linux/dma-mapping.h> ++#include <linux/platform_device.h> ++ ++#include <asm/mach-ath79/ath79.h> ++#include <asm/mach-ath79/ar71xx_regs.h> ++#include "common.h" ++#include "dev-usb.h" ++ ++static struct resource ath79_ohci_resources[] = { ++ [0] = { ++ /* .start and .end fields are filled dynamically */ ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = ATH79_MISC_IRQ_OHCI, ++ .end = ATH79_MISC_IRQ_OHCI, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static u64 ath79_ohci_dmamask = DMA_BIT_MASK(32); ++static struct platform_device ath79_ohci_device = { ++ .name = "ath79-ohci", ++ .id = -1, ++ .resource = ath79_ohci_resources, ++ .num_resources = ARRAY_SIZE(ath79_ohci_resources), ++ .dev = { ++ .dma_mask = &ath79_ohci_dmamask, ++ .coherent_dma_mask = DMA_BIT_MASK(32), ++ }, ++}; ++ ++static struct resource ath79_ehci_resources[] = { ++ [0] = { ++ /* .start and .end fields are filled dynamically */ ++ .flags = IORESOURCE_MEM, ++ }, ++ [1] = { ++ .start = ATH79_CPU_IRQ_USB, ++ .end = ATH79_CPU_IRQ_USB, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++ ++static u64 ath79_ehci_dmamask = DMA_BIT_MASK(32); ++static struct platform_device ath79_ehci_device = { ++ .name = "ath79-ehci", ++ .id = -1, ++ .resource = ath79_ehci_resources, ++ .num_resources = ARRAY_SIZE(ath79_ehci_resources), ++ .dev = { ++ .dma_mask = &ath79_ehci_dmamask, ++ .coherent_dma_mask = DMA_BIT_MASK(32), ++ }, ++}; ++ ++#define AR71XX_USB_RESET_MASK (AR71XX_RESET_USB_HOST | \ ++ AR71XX_RESET_USB_PHY | \ ++ AR71XX_RESET_USB_OHCI_DLL) ++ ++static void __init ath79_usb_setup(void) ++{ ++ void __iomem *usb_ctrl_base; ++ ++ ath79_device_reset_set(AR71XX_USB_RESET_MASK); ++ mdelay(1000); ++ ath79_device_reset_clear(AR71XX_USB_RESET_MASK); ++ ++ usb_ctrl_base = ioremap(AR71XX_USB_CTRL_BASE, AR71XX_USB_CTRL_SIZE); ++ ++ /* Turning on the Buff and Desc swap bits */ ++ __raw_writel(0xf0000, usb_ctrl_base + AR71XX_USB_CTRL_REG_CONFIG); ++ ++ /* WAR for HW bug. Here it adjusts the duration between two SOFS */ ++ __raw_writel(0x20c00, usb_ctrl_base + AR71XX_USB_CTRL_REG_FLADJ); ++ ++ iounmap(usb_ctrl_base); ++ ++ mdelay(900); ++ ++ ath79_ohci_resources[0].start = AR71XX_OHCI_BASE; ++ ath79_ohci_resources[0].end = AR71XX_OHCI_BASE + AR71XX_OHCI_SIZE - 1; ++ platform_device_register(&ath79_ohci_device); ++ ++ ath79_ehci_resources[0].start = AR71XX_EHCI_BASE; ++ ath79_ehci_resources[0].end = AR71XX_EHCI_BASE + AR71XX_EHCI_SIZE - 1; ++ ath79_ehci_device.name = "ar71xx-ehci"; ++ platform_device_register(&ath79_ehci_device); ++} ++ ++static void __init ar7240_usb_setup(void) ++{ ++ void __iomem *usb_ctrl_base; ++ ++ ath79_device_reset_clear(AR7240_RESET_OHCI_DLL); ++ ath79_device_reset_set(AR7240_RESET_USB_HOST); ++ ++ mdelay(1000); ++ ++ ath79_device_reset_set(AR7240_RESET_OHCI_DLL); ++ ath79_device_reset_clear(AR7240_RESET_USB_HOST); ++ ++ usb_ctrl_base = ioremap(AR7240_USB_CTRL_BASE, AR7240_USB_CTRL_SIZE); ++ ++ /* WAR for HW bug. Here it adjusts the duration between two SOFS */ ++ __raw_writel(0x3, usb_ctrl_base + AR71XX_USB_CTRL_REG_FLADJ); ++ ++ iounmap(usb_ctrl_base); ++ ++ ath79_ohci_resources[0].start = AR7240_OHCI_BASE; ++ ath79_ohci_resources[0].end = AR7240_OHCI_BASE + AR7240_OHCI_SIZE - 1; ++ platform_device_register(&ath79_ohci_device); ++} ++ ++static void __init ar724x_usb_setup(void) ++{ ++ ath79_device_reset_set(AR724X_RESET_USBSUS_OVERRIDE); ++ mdelay(10); ++ ++ ath79_device_reset_clear(AR724X_RESET_USB_HOST); ++ mdelay(10); ++ ++ ath79_device_reset_clear(AR724X_RESET_USB_PHY); ++ mdelay(10); ++ ++ ath79_ehci_resources[0].start = AR724X_EHCI_BASE; ++ ath79_ehci_resources[0].end = AR724X_EHCI_BASE + AR724X_EHCI_SIZE - 1; ++ ath79_ehci_device.name = "ar724x-ehci"; ++ platform_device_register(&ath79_ehci_device); ++} ++ ++static void __init ar913x_usb_setup(void) ++{ ++ ath79_device_reset_set(AR913X_RESET_USBSUS_OVERRIDE); ++ mdelay(10); ++ ++ ath79_device_reset_clear(AR913X_RESET_USB_HOST); ++ mdelay(10); ++ ++ ath79_device_reset_clear(AR913X_RESET_USB_PHY); ++ mdelay(10); ++ ++ ath79_ehci_resources[0].start = AR913X_EHCI_BASE; ++ ath79_ehci_resources[0].end = AR913X_EHCI_BASE + AR913X_EHCI_SIZE - 1; ++ ath79_ehci_device.name = "ar913x-ehci"; ++ platform_device_register(&ath79_ehci_device); ++} ++ ++void __init ath79_register_usb(void) ++{ ++ if (soc_is_ar71xx()) ++ ath79_usb_setup(); ++ else if (soc_is_ar7240()) ++ ar7240_usb_setup(); ++ else if (soc_is_ar7241() || soc_is_ar7242()) ++ ar724x_usb_setup(); ++ else if (soc_is_ar913x()) ++ ar913x_usb_setup(); ++ else ++ BUG(); ++} +--- /dev/null ++++ b/arch/mips/ath79/dev-usb.h +@@ -0,0 +1,17 @@ ++/* ++ * Atheros AR71XX/AR724X/AR913X USB Host Controller support ++ * ++ * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> ++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> ++ * ++ * 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. ++ */ ++ ++#ifndef _ATH79_DEV_USB_H ++#define _ATH79_DEV_USB_H ++ ++void ath79_register_usb(void); ++ ++#endif /* _ATH79_DEV_USB_H */ +--- a/arch/mips/ath79/mach-ap81.c ++++ b/arch/mips/ath79/mach-ap81.c +@@ -14,6 +14,7 @@ + #include "dev-gpio-buttons.h" + #include "dev-leds-gpio.h" + #include "dev-spi.h" ++#include "dev-usb.h" + + #define AP81_GPIO_LED_STATUS 1 + #define AP81_GPIO_LED_AOSS 3 +@@ -92,6 +93,7 @@ static void __init ap81_setup(void) + ath79_register_spi(&ap81_spi_data, ap81_spi_info, + ARRAY_SIZE(ap81_spi_info)); + ath79_register_ar913x_wmac(cal_data); ++ ath79_register_usb(); + } + + MIPS_MACHINE(ATH79_MACH_AP81, "AP81", "Atheros AP81 reference board", +--- a/arch/mips/ath79/mach-pb44.c ++++ b/arch/mips/ath79/mach-pb44.c +@@ -18,6 +18,7 @@ + #include "dev-gpio-buttons.h" + #include "dev-leds-gpio.h" + #include "dev-spi.h" ++#include "dev-usb.h" + + #define PB44_GPIO_I2C_SCL 0 + #define PB44_GPIO_I2C_SDA 1 +@@ -112,6 +113,7 @@ static void __init pb44_init(void) + pb44_gpio_keys); + ath79_register_spi(&pb44_spi_data, pb44_spi_info, + ARRAY_SIZE(pb44_spi_info)); ++ ath79_register_usb(); + } + + MIPS_MACHINE(ATH79_MACH_PB44, "PB44", "Atheros PB44 reference board", +--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h ++++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h +@@ -20,6 +20,10 @@ + #include <linux/bitops.h> + + #define AR71XX_APB_BASE 0x18000000 ++#define AR71XX_EHCI_BASE 0x1b000000 ++#define AR71XX_EHCI_SIZE 0x1000 ++#define AR71XX_OHCI_BASE 0x1c000000 ++#define AR71XX_OHCI_SIZE 0x1000 + #define AR71XX_SPI_BASE 0x1f000000 + #define AR71XX_SPI_SIZE 0x01000000 + +@@ -27,6 +31,8 @@ + #define AR71XX_DDR_CTRL_SIZE 0x100 + #define AR71XX_UART_BASE (AR71XX_APB_BASE + 0x00020000) + #define AR71XX_UART_SIZE 0x100 ++#define AR71XX_USB_CTRL_BASE (AR71XX_APB_BASE + 0x00030000) ++#define AR71XX_USB_CTRL_SIZE 0x100 + #define AR71XX_GPIO_BASE (AR71XX_APB_BASE + 0x00040000) + #define AR71XX_GPIO_SIZE 0x100 + #define AR71XX_PLL_BASE (AR71XX_APB_BASE + 0x00050000) +@@ -34,6 +40,16 @@ + #define AR71XX_RESET_BASE (AR71XX_APB_BASE + 0x00060000) + #define AR71XX_RESET_SIZE 0x100 + ++#define AR7240_USB_CTRL_BASE (AR71XX_APB_BASE + 0x00030000) ++#define AR7240_USB_CTRL_SIZE 0x100 ++#define AR7240_OHCI_BASE 0x1b000000 ++#define AR7240_OHCI_SIZE 0x1000 ++ ++#define AR724X_EHCI_BASE 0x1b000000 ++#define AR724X_EHCI_SIZE 0x1000 ++ ++#define AR913X_EHCI_BASE 0x1b000000 ++#define AR913X_EHCI_SIZE 0x1000 + #define AR913X_WMAC_BASE (AR71XX_APB_BASE + 0x000C0000) + #define AR913X_WMAC_SIZE 0x30000 + +@@ -105,6 +121,12 @@ + #define AR913X_AHB_DIV_MASK 0x1 + + /* ++ * USB_CONFIG block ++ */ ++#define AR71XX_USB_CTRL_REG_FLADJ 0x00 ++#define AR71XX_USB_CTRL_REG_CONFIG 0x04 ++ ++/* + * RESET block + */ + #define AR71XX_RESET_REG_TIMER 0x00 +@@ -162,14 +184,22 @@ + #define AR71XX_RESET_PCI_BUS BIT(1) + #define AR71XX_RESET_PCI_CORE BIT(0) + ++#define AR7240_RESET_USB_HOST BIT(5) ++#define AR7240_RESET_OHCI_DLL BIT(3) ++ + #define AR724X_RESET_GE1_MDIO BIT(23) + #define AR724X_RESET_GE0_MDIO BIT(22) + #define AR724X_RESET_PCIE_PHY_SERIAL BIT(10) + #define AR724X_RESET_PCIE_PHY BIT(7) + #define AR724X_RESET_PCIE BIT(6) +-#define AR724X_RESET_OHCI_DLL BIT(3) ++#define AR724X_RESET_USB_HOST BIT(5) ++#define AR724X_RESET_USB_PHY BIT(4) ++#define AR724X_RESET_USBSUS_OVERRIDE BIT(3) + + #define AR913X_RESET_AMBA2WMAC BIT(22) ++#define AR913X_RESET_USBSUS_OVERRIDE BIT(10) ++#define AR913X_RESET_USB_HOST BIT(5) ++#define AR913X_RESET_USB_PHY BIT(4) + + #define REV_ID_MAJOR_MASK 0xfff0 + #define REV_ID_MAJOR_AR71XX 0x00a0 |