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MIPS: ath79: add AR933X specific USB platform device registration

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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>
This commit is contained in:
Gabor Juhos 2011-06-20 21:26:10 +02:00 committed by Ralf Baechle
parent 9d6b204f93
commit c279b77596
3 changed files with 27 additions and 0 deletions
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1
arch/mips/ath79/Kconfig
View file

@ -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

19
arch/mips/ath79/dev-usb.c
View file

@ -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();
}

7
arch/mips/include/asm/mach-ath79/ar71xx_regs.h
View file

@ -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