Commit 00ffed58 authored by Gabor Juhos's avatar Gabor Juhos Committed by John Crispin
Browse files

MIPS: ath79: add USB platform setup code for AR934X 



Signed-off-by: default avatarGabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4172/


Signed-off-by: default avatarJohn Crispin <blogic@openwrt.org>
parent 8d3e03e1

arch/mips/ath79/dev-usb.c

+28 −0
Original line number Diff line number Diff line
@@ -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();

}

arch/mips/include/asm/mach-ath79/ar71xx_regs.h

+7 −0
Original line number Diff line number Diff line
@@ -63,6 +63,8 @@ 


#define AR934X_WMAC_BASE	(AR71XX_APB_BASE + 0x00100000)

#define AR934X_WMAC_SIZE	0x20000

#define AR934X_EHCI_BASE	0x1b000000

#define AR934X_EHCI_SIZE	0x200



/*

 * DDR_CTRL block
@@ -288,6 +290,11 @@ 
#define AR933X_RESET_USB_PHY		BIT(4)

#define AR933X_RESET_USBSUS_OVERRIDE	BIT(3)



#define AR934X_RESET_USB_PHY_ANALOG	BIT(11)

#define AR934X_RESET_USB_HOST		BIT(5)

#define AR934X_RESET_USB_PHY		BIT(4)

#define AR934X_RESET_USBSUS_OVERRIDE	BIT(3)



#define AR933X_BOOTSTRAP_REF_CLK_40	BIT(0)



#define AR934X_BOOTSTRAP_SW_OPTION8	BIT(23)