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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-11-29 13:33:15 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-11-29 13:33:15 +0000
commit4ae360c4fb5b8bb53674b1ff1d51fbd7cf52eed3 (patch)
treed72b649b410dbb1f3c97495351970e49fc17dba6 /target/linux/ar71xx/files/arch/mips
parentf5180a42705894d807c42650435164163bb60016 (diff)
ar71xx: add usb support for ubnt rocket m
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18598 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips')
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/ar71xx.c12
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/devices.c33
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/mach-ubnt.c8
-rw-r--r--target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h3
4 files changed, 53 insertions, 3 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/ar71xx.c b/target/linux/ar71xx/files/arch/mips/ar71xx/ar71xx.c
index 30d08c051..2a9dff311 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/ar71xx.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/ar71xx.c
@@ -36,6 +36,7 @@ EXPORT_SYMBOL_GPL(ar71xx_usb_ctrl_base);
void ar71xx_device_stop(u32 mask)
{
unsigned long flags;
+ u32 mask_inv;
u32 t;
switch (ar71xx_soc) {
@@ -49,9 +50,12 @@ void ar71xx_device_stop(u32 mask)
break;
case AR71XX_SOC_AR7240:
+ mask_inv = mask & RESET_MODULE_USB_OHCI_DLL_7240;
local_irq_save(flags);
t = ar71xx_reset_rr(AR724X_RESET_REG_RESET_MODULE);
- ar71xx_reset_wr(AR724X_RESET_REG_RESET_MODULE, t | mask);
+ t |= mask;
+ t &= ~mask_inv;
+ ar71xx_reset_wr(AR724X_RESET_REG_RESET_MODULE, t);
local_irq_restore(flags);
break;
@@ -72,6 +76,7 @@ EXPORT_SYMBOL_GPL(ar71xx_device_stop);
void ar71xx_device_start(u32 mask)
{
unsigned long flags;
+ u32 mask_inv;
u32 t;
switch (ar71xx_soc) {
@@ -85,9 +90,12 @@ void ar71xx_device_start(u32 mask)
break;
case AR71XX_SOC_AR7240:
+ mask_inv = mask & RESET_MODULE_USB_OHCI_DLL_7240;
local_irq_save(flags);
t = ar71xx_reset_rr(AR724X_RESET_REG_RESET_MODULE);
- ar71xx_reset_wr(AR724X_RESET_REG_RESET_MODULE, t & ~mask);
+ t &= ~mask;
+ t |= mask_inv;
+ ar71xx_reset_wr(AR724X_RESET_REG_RESET_MODULE, t);
local_irq_restore(flags);
break;
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:
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ubnt.c b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ubnt.c
index 0653c2f03..9b70f8ddc 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ubnt.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-ubnt.c
@@ -308,8 +308,14 @@ static void __init ubnt_m_setup(void)
ubnt_m_gpio_buttons);
}
+static void __init ubnt_rocket_m_setup(void)
+{
+ ubnt_m_setup();
+ ar71xx_add_device_usb();
+}
+
MIPS_MACHINE(AR71XX_MACH_UBNT_BULLET_M, "Ubiquiti Bullet M", ubnt_m_setup);
-MIPS_MACHINE(AR71XX_MACH_UBNT_ROCKET_M, "Ubiquiti Rocket M", ubnt_m_setup);
+MIPS_MACHINE(AR71XX_MACH_UBNT_ROCKET_M, "Ubiquiti Rocket M", ubnt_rocket_m_setup);
/* TODO detect the second ethernet port and use one
init function for all Ubiquiti MIMO series products */
diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
index 65f2120f5..46629327c 100644
--- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
+++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
@@ -32,6 +32,8 @@
#define AR71XX_EHCI_SIZE 0x01000000
#define AR71XX_OHCI_BASE 0x1c000000
#define AR71XX_OHCI_SIZE 0x01000000
+#define AR7240_OHCI_BASE 0x1b000000
+#define AR7240_OHCI_SIZE 0x01000000
#define AR71XX_SPI_BASE 0x1f000000
#define AR71XX_SPI_SIZE 0x01000000
@@ -468,6 +470,7 @@ static inline u32 ar724x_pci_rr(unsigned reg)
#define RESET_MODULE_USB_OHCI_DLL BIT(6)
#define RESET_MODULE_USB_HOST BIT(5)
#define RESET_MODULE_USB_PHY BIT(4)
+#define RESET_MODULE_USB_OHCI_DLL_7240 BIT(3)
#define RESET_MODULE_PCI_BUS BIT(1)
#define RESET_MODULE_PCI_CORE BIT(0)