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authorGabor Juhos <juhosg@openwrt.org>2011-06-20 21:26:10 +0200
committerRalf Baechle <ralf@linux-mips.org>2011-12-07 22:02:46 +0000
commitc279b7759602d4ef97d45f3eb2cdf36a713eb99a (patch)
tree1c399f392565472b4726cc29b71e4d770266d00c /arch
parent9d6b204f93cfeb7ec5e6ec499aca43d2c1d6da3f (diff)
downloadop-kernel-dev-c279b7759602d4ef97d45f3eb2cdf36a713eb99a.zip
op-kernel-dev-c279b7759602d4ef97d45f3eb2cdf36a713eb99a.tar.gz
MIPS: ath79: add AR933X specific USB platform device registration
Also select the USB_ARCH_HAS_EHCI symbol in order to make the EHCI driver available. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: linux-mips@linux-mips.org Cc: Kathy Giori <kgiori@qca.qualcomm.com> Cc: "Luis R. Rodriguez" <rodrigue@qca.qualcomm.com> Patchwork: https://patchwork.linux-mips.org/patch/2527/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/ath79/Kconfig1
-rw-r--r--arch/mips/ath79/dev-usb.c19
-rw-r--r--arch/mips/include/asm/mach-ath79/ar71xx_regs.h7
3 files changed, 27 insertions, 0 deletions
diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig
index 90edf276..c3680c8 100644
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -42,6 +42,7 @@ config SOC_AR913X
def_bool n
config SOC_AR933X
+ select USB_ARCH_HAS_EHCI
def_bool n
config ATH79_DEV_AR913X_WMAC
diff --git a/arch/mips/ath79/dev-usb.c b/arch/mips/ath79/dev-usb.c
index c3f1999..002d6d2 100644
--- a/arch/mips/ath79/dev-usb.c
+++ b/arch/mips/ath79/dev-usb.c
@@ -163,6 +163,23 @@ static void __init ar913x_usb_setup(void)
platform_device_register(&ath79_ehci_device);
}
+static void __init ar933x_usb_setup(void)
+{
+ ath79_device_reset_set(AR933X_RESET_USBSUS_OVERRIDE);
+ mdelay(10);
+
+ ath79_device_reset_clear(AR933X_RESET_USB_HOST);
+ mdelay(10);
+
+ 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_ehci_device.name = "ar933x-ehci";
+ platform_device_register(&ath79_ehci_device);
+}
+
void __init ath79_register_usb(void)
{
if (soc_is_ar71xx())
@@ -173,6 +190,8 @@ void __init ath79_register_usb(void)
ar724x_usb_setup();
else if (soc_is_ar913x())
ar913x_usb_setup();
+ else if (soc_is_ar933x())
+ ar933x_usb_setup();
else
BUG();
}
diff --git a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
index e65c10d..733baca 100644
--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
@@ -56,6 +56,9 @@
#define AR933X_UART_BASE (AR71XX_APB_BASE + 0x00020000)
#define AR933X_UART_SIZE 0x14
+#define AR933X_EHCI_BASE 0x1b000000
+#define AR933X_EHCI_SIZE 0x1000
+
/*
* DDR_CTRL block
*/
@@ -230,6 +233,10 @@
#define AR913X_RESET_USB_HOST BIT(5)
#define AR913X_RESET_USB_PHY BIT(4)
+#define AR933X_RESET_USB_HOST BIT(5)
+#define AR933X_RESET_USB_PHY BIT(4)
+#define AR933X_RESET_USBSUS_OVERRIDE BIT(3)
+
#define AR933X_BOOTSTRAP_REF_CLK_40 BIT(0)
#define REV_ID_MAJOR_MASK 0xfff0
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