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	Tested on the following boards: ALFA AP96 TL-MR3220 v1 TL-WR1043ND v1 TL-WR2543ND v1 TL-WR703N v1 TL-WR741ND v1 TL-WR741ND v4 WNDR3700 v1 WZR-HP-G300NH SVN-Revision: 29868
		
			
				
	
	
		
			108 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			108 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From 2d832612094b5592641364773c5ab2a3658f7120 Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Sun, 11 Dec 2011 18:34:13 +0100
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Subject: [PATCH 31/35] MIPS: ath79: add USB platform setup code for AR934X
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
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---
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 arch/mips/ath79/dev-usb.c                      |   28 +++++++++++++++++++
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 arch/mips/include/asm/mach-ath79/ar71xx_regs.h |   35 ++++++++++++++++++++++++
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 2 files changed, 63 insertions(+), 0 deletions(-)
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--- a/arch/mips/ath79/dev-usb.c
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+++ b/arch/mips/ath79/dev-usb.c
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@@ -180,6 +180,32 @@ static void __init ar933x_usb_setup(void
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 	platform_device_register(&ath79_ehci_device);
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 }
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+static void __init ar934x_usb_setup(void)
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+{
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+	u32 bootstrap;
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+
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+	bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP);
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+	if (bootstrap & AR934X_BOOTSTRAP_USB_MODE_DEVICE)
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+		return;
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+
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+	ath79_device_reset_clear(AR934X_RESET_USBSUS_OVERRIDE);
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+	udelay(1000);
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+
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+	ath79_device_reset_set(AR934X_RESET_USB_PHY);
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+	udelay(1000);
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+
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+	ath79_device_reset_set(AR934X_RESET_USB_PHY_ANALOG);
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+	udelay(1000);
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+
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+	ath79_device_reset_set(AR934X_RESET_USB_HOST);
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+	udelay(1000);
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+
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+	ath79_ehci_resources[0].start = AR934X_EHCI_BASE;
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+	ath79_ehci_resources[0].end = AR934X_EHCI_BASE + AR934X_EHCI_SIZE - 1;
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+	ath79_ehci_device.name = "ar934x-ehci";
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+	platform_device_register(&ath79_ehci_device);
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+}
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+
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 void __init ath79_register_usb(void)
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 {
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 	if (soc_is_ar71xx())
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@@ -192,6 +218,8 @@ void __init ath79_register_usb(void)
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 		ar913x_usb_setup();
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 	else if (soc_is_ar933x())
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 		ar933x_usb_setup();
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+	else if (soc_is_ar934x())
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+		ar934x_usb_setup();
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 	else
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 		BUG();
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 }
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--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
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+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
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@@ -63,6 +63,8 @@
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 #define AR934X_WMAC_BASE	(AR71XX_APB_BASE + 0x00100000)
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 #define AR934X_WMAC_SIZE	0x20000
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+#define AR934X_EHCI_BASE	0x1b000000
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+#define AR934X_EHCI_SIZE	0x1000
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 /*
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  * DDR_CTRL block
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@@ -288,6 +290,39 @@
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 #define AR933X_RESET_USB_PHY		BIT(4)
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 #define AR933X_RESET_USBSUS_OVERRIDE	BIT(3)
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+#define AR934X_RESET_HOST		BIT(31)
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+#define AR934X_RESET_SLIC		BIT(30)
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+#define AR934X_RESET_HDMA		BIT(29)
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+#define AR934X_RESET_EXTERNAL		BIT(28)
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+#define AR934X_RESET_RTC		BIT(27)
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+#define AR934X_RESET_PCIE_EP_INT	BIT(26)
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+#define AR934X_RESET_CHKSUM_ACC		BIT(25)
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+#define AR934X_RESET_FULL_CHIP		BIT(24)
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+#define AR934X_RESET_GE1_MDIO		BIT(23)
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+#define AR934X_RESET_GE0_MDIO		BIT(22)
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+#define AR934X_RESET_CPU_NMI		BIT(21)
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+#define AR934X_RESET_CPU_COLD		BIT(20)
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+#define AR934X_RESET_HOST_RESET_INT	BIT(19)
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+#define AR934X_RESET_PCIE_EP		BIT(18)
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+#define AR934X_RESET_UART1		BIT(17)
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+#define AR934X_RESET_DDR		BIT(16)
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+#define AR934X_RESET_USB_PHY_PLL_PWD_EXT BIT(15)
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+#define AR934X_RESET_NANDF		BIT(14)
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+#define AR934X_RESET_GE1_MAC		BIT(13)
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+#define AR934X_RESET_ETH_SWITCH_ANALOG	BIT(12)
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+#define AR934X_RESET_USB_PHY_ANALOG	BIT(11)
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+#define AR934X_RESET_HOST_DMA_INT	BIT(10)
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+#define AR934X_RESET_GE0_MAC		BIT(9)
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+#define AR934X_RESET_ETH_SIWTCH		BIT(8)
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+#define AR934X_RESET_PCIE_PHY		BIT(7)
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+#define AR934X_RESET_PCIE		BIT(6)
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+#define AR934X_RESET_USB_HOST		BIT(5)
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+#define AR934X_RESET_USB_PHY		BIT(4)
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+#define AR934X_RESET_USBSUS_OVERRIDE	BIT(3)
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+#define AR934X_RESET_LUT		BIT(2)
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+#define AR934X_RESET_MBOX		BIT(1)
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+#define AR934X_RESET_I2S		BIT(0)
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+
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 #define AR933X_BOOTSTRAP_REF_CLK_40	BIT(0)
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 #define AR934X_BOOTSTRAP_SW_OPTION8	BIT(23)
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