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Diffstat (limited to 'arch/mips/ath79/dev-usb.c')
-rw-r--r--arch/mips/ath79/dev-usb.c92
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();
}