diff options
Diffstat (limited to 'arch/mips/ath79/dev-usb.c')
| -rw-r--r-- | arch/mips/ath79/dev-usb.c | 92 |
1 files changed, 56 insertions, 36 deletions
diff --git a/arch/mips/ath79/dev-usb.c b/arch/mips/ath79/dev-usb.c index b2a2311ec85..072bb9be230 100644 --- a/arch/mips/ath79/dev-usb.c +++ b/arch/mips/ath79/dev-usb.c @@ -25,17 +25,7 @@ #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 struct resource ath79_ohci_resources[2]; static u64 ath79_ohci_dmamask = DMA_BIT_MASK(32); @@ -54,17 +44,7 @@ static struct platform_device ath79_ohci_device = { }, }; -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 struct resource ath79_ehci_resources[2]; static u64 ath79_ehci_dmamask = DMA_BIT_MASK(32); @@ -90,6 +70,20 @@ static struct platform_device ath79_ehci_device = { }, }; +static void __init ath79_usb_init_resource(struct resource res[2], + unsigned long base, + unsigned long size, + int irq) +{ + res[0].flags = IORESOURCE_MEM; + res[0].start = base; + res[0].end = base + size - 1; + + res[1].flags = IORESOURCE_IRQ; + res[1].start = irq; + res[1].end = irq; +} + #define AR71XX_USB_RESET_MASK (AR71XX_RESET_USB_HOST | \ AR71XX_RESET_USB_PHY | \ AR71XX_RESET_USB_OHCI_DLL) @@ -114,12 +108,12 @@ static void __init ath79_usb_setup(void) mdelay(900); - ath79_ohci_resources[0].start = AR71XX_OHCI_BASE; - ath79_ohci_resources[0].end = AR71XX_OHCI_BASE + AR71XX_OHCI_SIZE - 1; + ath79_usb_init_resource(ath79_ohci_resources, AR71XX_OHCI_BASE, + AR71XX_OHCI_SIZE, ATH79_MISC_IRQ_OHCI); 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_usb_init_resource(ath79_ehci_resources, AR71XX_EHCI_BASE, + AR71XX_EHCI_SIZE, ATH79_CPU_IRQ_USB); ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v1; platform_device_register(&ath79_ehci_device); } @@ -143,10 +137,8 @@ static void __init ar7240_usb_setup(void) iounmap(usb_ctrl_base); - ath79_ohci_resources[0].start = AR7240_OHCI_BASE; - ath79_ohci_resources[0].end = AR7240_OHCI_BASE + AR7240_OHCI_SIZE - 1; - ath79_ohci_resources[1].start = ATH79_CPU_IRQ_USB; - ath79_ohci_resources[1].end = ATH79_CPU_IRQ_USB; + ath79_usb_init_resource(ath79_ohci_resources, AR7240_OHCI_BASE, + AR7240_OHCI_SIZE, ATH79_CPU_IRQ_USB); platform_device_register(&ath79_ohci_device); } @@ -161,8 +153,8 @@ static void __init ar724x_usb_setup(void) 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_usb_init_resource(ath79_ehci_resources, AR724X_EHCI_BASE, + AR724X_EHCI_SIZE, ATH79_CPU_IRQ_USB); ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v2; platform_device_register(&ath79_ehci_device); } @@ -178,8 +170,8 @@ static void __init ar913x_usb_setup(void) 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_usb_init_resource(ath79_ehci_resources, AR913X_EHCI_BASE, + AR913X_EHCI_SIZE, ATH79_CPU_IRQ_USB); ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v2; platform_device_register(&ath79_ehci_device); } @@ -195,8 +187,34 @@ static void __init ar933x_usb_setup(void) ath79_device_reset_clear(AR933X_RESET_USB_PHY); mdelay(10); - ath79_ehci_resources[0].start = AR933X_EHCI_BASE; - ath79_ehci_resources[0].end = AR933X_EHCI_BASE + AR933X_EHCI_SIZE - 1; + ath79_usb_init_resource(ath79_ehci_resources, AR933X_EHCI_BASE, + AR933X_EHCI_SIZE, ATH79_CPU_IRQ_USB); + ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v2; + 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); } @@ -213,6 +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(); } |