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authorGabor Juhos <juhosg@openwrt.org>2012-08-04 15:03:56 +0000
committerJohn Crispin <blogic@openwrt.org>2012-08-28 12:29:57 +0200
commit00ffed582fe8a3f7556593c0e8baaf3da3df85b0 (patch)
tree88912fae450552a2d4c05d25137193c687b1b377 /arch/mips/ath79/dev-usb.c
parentMIPS: ath79: use a helper function for USB resource initialization (diff)
downloadlinux-dev-00ffed582fe8a3f7556593c0e8baaf3da3df85b0.tar.xz
linux-dev-00ffed582fe8a3f7556593c0e8baaf3da3df85b0.zip
MIPS: ath79: add USB platform setup code for AR934X
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/4172/ Signed-off-by: John Crispin <blogic@openwrt.org>
Diffstat (limited to 'arch/mips/ath79/dev-usb.c')
-rw-r--r--arch/mips/ath79/dev-usb.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/mips/ath79/dev-usb.c b/arch/mips/ath79/dev-usb.c
index 87fe48e8e301..072bb9be2304 100644
--- a/arch/mips/ath79/dev-usb.c
+++ b/arch/mips/ath79/dev-usb.c
@@ -193,6 +193,32 @@ static void __init ar933x_usb_setup(void)
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);
+}
+
void __init ath79_register_usb(void)
{
if (soc_is_ar71xx())
@@ -205,6 +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();
}