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Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ar71xx/devices.c')
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/devices.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c
index 65b7419ac..bed23938e 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/devices.c
@@ -42,6 +42,19 @@ static struct resource ar71xx_ohci_resources[] = {
},
};
+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",
@@ -90,6 +103,9 @@ static struct platform_device ar71xx_ehci_device = {
(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);
@@ -105,6 +121,18 @@ static void __init ar71xx_usb_setup(void)
mdelay(900);
}
+static void __init ar7240_usb_setup(void)
+{
+ ar71xx_ohci_device.resource = ar7240_ohci_resources;
+
+ 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);
+}
+
static void __init ar91xx_usb_setup(void)
{
ar71xx_device_stop(RESET_MODULE_USBSUS_OVERRIDE);
@@ -120,6 +148,11 @@ static void __init ar91xx_usb_setup(void)
void __init ar71xx_add_device_usb(void)
{
switch (ar71xx_soc) {
+ case AR71XX_SOC_AR7240:
+ ar7240_usb_setup();
+ platform_device_register(&ar71xx_ohci_device);
+ break;
+
case AR71XX_SOC_AR7130:
case AR71XX_SOC_AR7141:
case AR71XX_SOC_AR7161: