diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.6/002-MIPS-ath79-add-USB-platform-setup-code-for-AR934X.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.6/002-MIPS-ath79-add-USB-platform-setup-code-for-AR934X.patch | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.6/002-MIPS-ath79-add-USB-platform-setup-code-for-AR934X.patch b/target/linux/ar71xx/patches-3.6/002-MIPS-ath79-add-USB-platform-setup-code-for-AR934X.patch new file mode 100644 index 000000000..e505beb8e --- /dev/null +++ b/target/linux/ar71xx/patches-3.6/002-MIPS-ath79-add-USB-platform-setup-code-for-AR934X.patch @@ -0,0 +1,86 @@ +From 9d9e4d955b1def6d63470bcf45e8ead1b2ae4892 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Sat, 4 Aug 2012 15:03:56 +0000 +Subject: [PATCH] MIPS: ath79: add USB platform setup code for AR934X + +commit 00ffed582fe8a3f7556593c0e8baaf3da3df85b0 upstream. + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +Patchwork: http://patchwork.linux-mips.org/patch/4172/ +Signed-off-by: John Crispin <blogic@openwrt.org> + +Conflicts: + + arch/mips/include/asm/mach-ath79/ar71xx_regs.h +--- + arch/mips/ath79/dev-usb.c | 28 ++++++++++++++++++++++++ + arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 7 ++++++ + 2 files changed, 35 insertions(+) + +--- a/arch/mips/ath79/dev-usb.c ++++ b/arch/mips/ath79/dev-usb.c +@@ -193,6 +193,32 @@ static void __init ar933x_usb_setup(void + platform_device_register(&ath79_ehci_device); + } + ++static void __init ar934x_usb_setup(void) ++{ ++ u32 bootstrap; ++ ++ bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP); ++ if (bootstrap & AR934X_BOOTSTRAP_USB_MODE_DEVICE) ++ return; ++ ++ ath79_device_reset_set(AR934X_RESET_USBSUS_OVERRIDE); ++ udelay(1000); ++ ++ ath79_device_reset_clear(AR934X_RESET_USB_PHY); ++ udelay(1000); ++ ++ ath79_device_reset_clear(AR934X_RESET_USB_PHY_ANALOG); ++ udelay(1000); ++ ++ ath79_device_reset_clear(AR934X_RESET_USB_HOST); ++ udelay(1000); ++ ++ ath79_usb_init_resource(ath79_ehci_resources, AR934X_EHCI_BASE, ++ AR934X_EHCI_SIZE, ATH79_CPU_IRQ_USB); ++ ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v2; ++ platform_device_register(&ath79_ehci_device); ++} ++ + void __init ath79_register_usb(void) + { + if (soc_is_ar71xx()) +@@ -205,6 +231,8 @@ void __init ath79_register_usb(void) + ar913x_usb_setup(); + else if (soc_is_ar933x()) + ar933x_usb_setup(); ++ else if (soc_is_ar934x()) ++ ar934x_usb_setup(); + else + BUG(); + } +--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h ++++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h +@@ -65,6 +65,8 @@ + #define AR934X_WMAC_SIZE 0x20000 + #define AR934X_SRIF_BASE (AR71XX_APB_BASE + 0x00116000) + #define AR934X_SRIF_SIZE 0x1000 ++#define AR934X_EHCI_BASE 0x1b000000 ++#define AR934X_EHCI_SIZE 0x200 + + /* + * DDR_CTRL block +@@ -290,6 +292,11 @@ + #define AR933X_RESET_USB_PHY BIT(4) + #define AR933X_RESET_USBSUS_OVERRIDE BIT(3) + ++#define AR934X_RESET_USB_PHY_ANALOG BIT(11) ++#define AR934X_RESET_USB_HOST BIT(5) ++#define AR934X_RESET_USB_PHY BIT(4) ++#define AR934X_RESET_USBSUS_OVERRIDE BIT(3) ++ + #define AR933X_BOOTSTRAP_REF_CLK_40 BIT(0) + + #define AR934X_BOOTSTRAP_SW_OPTION8 BIT(23) |