ramips: sync kernel patches with the mips-next tree

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36431 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 552 insertions, 0 deletions

diff --git a/target/linux/ramips/patches-3.8/0112-MIPS-ralink-adds-support-for-RT3883-SoC-family.patch b/target/linux/ramips/patches-3.8/0112-MIPS-ralink-adds-support-for-RT3883-SoC-family.patch
new file mode 100644
index 0000000000..f744e62248
--- /dev/null
+++ b/target/linux/ramips/patches-3.8/0112-MIPS-ralink-adds-support-for-RT3883-SoC-family.patch
@@ -0,0 +1,552 @@
+From 5eb4dfe5072595e0706de3364f2da45378dbaca6 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Sun, 27 Jan 2013 09:39:02 +0100
+Subject: [PATCH 112/137] MIPS: ralink: adds support for RT3883 SoC family
+
+Add support code for rt3883 SOC.
+
+The code detects the SoC and registers the clk / pinmux settings.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+Patchwork: http://patchwork.linux-mips.org/patch/5185/
+---
+ arch/mips/include/asm/mach-ralink/rt3883.h |  247 ++++++++++++++++++++++++++++
+ arch/mips/ralink/Kconfig                   |    5 +
+ arch/mips/ralink/Makefile                  |    1 +
+ arch/mips/ralink/Platform                  |    5 +
+ arch/mips/ralink/rt3883.c                  |  242 +++++++++++++++++++++++++++
+ 5 files changed, 500 insertions(+)
+ create mode 100644 arch/mips/include/asm/mach-ralink/rt3883.h
+ create mode 100644 arch/mips/ralink/rt3883.c
+
+--- /dev/null
++++ b/arch/mips/include/asm/mach-ralink/rt3883.h
+@@ -0,0 +1,247 @@
++/*
++ * Ralink RT3662/RT3883 SoC register definitions
++ *
++ * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published
++ * by the Free Software Foundation.
++ */
++
++#ifndef _RT3883_REGS_H_
++#define _RT3883_REGS_H_
++
++#include <linux/bitops.h>
++
++#define RT3883_SDRAM_BASE	0x00000000
++#define RT3883_SYSC_BASE	0x10000000
++#define RT3883_TIMER_BASE	0x10000100
++#define RT3883_INTC_BASE	0x10000200
++#define RT3883_MEMC_BASE	0x10000300
++#define RT3883_UART0_BASE	0x10000500
++#define RT3883_PIO_BASE		0x10000600
++#define RT3883_FSCC_BASE	0x10000700
++#define RT3883_NANDC_BASE	0x10000810
++#define RT3883_I2C_BASE		0x10000900
++#define RT3883_I2S_BASE		0x10000a00
++#define RT3883_SPI_BASE		0x10000b00
++#define RT3883_UART1_BASE	0x10000c00
++#define RT3883_PCM_BASE		0x10002000
++#define RT3883_GDMA_BASE	0x10002800
++#define RT3883_CODEC1_BASE	0x10003000
++#define RT3883_CODEC2_BASE	0x10003800
++#define RT3883_FE_BASE		0x10100000
++#define RT3883_ROM_BASE		0x10118000
++#define RT3883_USBDEV_BASE	0x10112000
++#define RT3883_PCI_BASE		0x10140000
++#define RT3883_WLAN_BASE	0x10180000
++#define RT3883_USBHOST_BASE	0x101c0000
++#define RT3883_BOOT_BASE	0x1c000000
++#define RT3883_SRAM_BASE	0x1e000000
++#define RT3883_PCIMEM_BASE	0x20000000
++
++#define RT3883_EHCI_BASE	(RT3883_USBHOST_BASE)
++#define RT3883_OHCI_BASE	(RT3883_USBHOST_BASE + 0x1000)
++
++#define RT3883_SYSC_SIZE	0x100
++#define RT3883_TIMER_SIZE	0x100
++#define RT3883_INTC_SIZE	0x100
++#define RT3883_MEMC_SIZE	0x100
++#define RT3883_UART0_SIZE	0x100
++#define RT3883_UART1_SIZE	0x100
++#define RT3883_PIO_SIZE		0x100
++#define RT3883_FSCC_SIZE	0x100
++#define RT3883_NANDC_SIZE	0x0f0
++#define RT3883_I2C_SIZE		0x100
++#define RT3883_I2S_SIZE		0x100
++#define RT3883_SPI_SIZE		0x100
++#define RT3883_PCM_SIZE		0x800
++#define RT3883_GDMA_SIZE	0x800
++#define RT3883_CODEC1_SIZE	0x800
++#define RT3883_CODEC2_SIZE	0x800
++#define RT3883_FE_SIZE		0x10000
++#define RT3883_ROM_SIZE		0x4000
++#define RT3883_USBDEV_SIZE	0x4000
++#define RT3883_PCI_SIZE		0x40000
++#define RT3883_WLAN_SIZE	0x40000
++#define RT3883_USBHOST_SIZE	0x40000
++#define RT3883_BOOT_SIZE	(32 * 1024 * 1024)
++#define RT3883_SRAM_SIZE	(32 * 1024 * 1024)
++
++/* SYSC registers */
++#define RT3883_SYSC_REG_CHIPID0_3	0x00	/* Chip ID 0 */
++#define RT3883_SYSC_REG_CHIPID4_7	0x04	/* Chip ID 1 */
++#define RT3883_SYSC_REG_REVID		0x0c	/* Chip Revision Identification */
++#define RT3883_SYSC_REG_SYSCFG0		0x10	/* System Configuration 0 */
++#define RT3883_SYSC_REG_SYSCFG1		0x14	/* System Configuration 1 */
++#define RT3883_SYSC_REG_CLKCFG0		0x2c	/* Clock Configuration 0 */
++#define RT3883_SYSC_REG_CLKCFG1		0x30	/* Clock Configuration 1 */
++#define RT3883_SYSC_REG_RSTCTRL		0x34	/* Reset Control*/
++#define RT3883_SYSC_REG_RSTSTAT		0x38	/* Reset Status*/
++#define RT3883_SYSC_REG_USB_PS		0x5c	/* USB Power saving control */
++#define RT3883_SYSC_REG_GPIO_MODE	0x60	/* GPIO Purpose Select */
++#define RT3883_SYSC_REG_PCIE_CLK_GEN0	0x7c
++#define RT3883_SYSC_REG_PCIE_CLK_GEN1	0x80
++#define RT3883_SYSC_REG_PCIE_CLK_GEN2	0x84
++#define RT3883_SYSC_REG_PMU		0x88
++#define RT3883_SYSC_REG_PMU1		0x8c
++
++#define RT3883_CHIP_NAME0		0x38335452
++#define RT3883_CHIP_NAME1		0x20203338
++
++#define RT3883_REVID_VER_ID_MASK	0x0f
++#define RT3883_REVID_VER_ID_SHIFT	8
++#define RT3883_REVID_ECO_ID_MASK	0x0f
++
++#define RT3883_SYSCFG0_DRAM_TYPE_DDR2	BIT(17)
++#define RT3883_SYSCFG0_CPUCLK_SHIFT	8
++#define RT3883_SYSCFG0_CPUCLK_MASK	0x3
++#define RT3883_SYSCFG0_CPUCLK_250	0x0
++#define RT3883_SYSCFG0_CPUCLK_384	0x1
++#define RT3883_SYSCFG0_CPUCLK_480	0x2
++#define RT3883_SYSCFG0_CPUCLK_500	0x3
++
++#define RT3883_SYSCFG1_USB0_HOST_MODE	BIT(10)
++#define RT3883_SYSCFG1_PCIE_RC_MODE	BIT(8)
++#define RT3883_SYSCFG1_PCI_HOST_MODE	BIT(7)
++#define RT3883_SYSCFG1_PCI_66M_MODE	BIT(6)
++#define RT3883_SYSCFG1_GPIO2_AS_WDT_OUT	BIT(2)
++
++#define RT3883_CLKCFG1_PCIE_CLK_EN	BIT(21)
++#define RT3883_CLKCFG1_UPHY1_CLK_EN	BIT(20)
++#define RT3883_CLKCFG1_PCI_CLK_EN	BIT(19)
++#define RT3883_CLKCFG1_UPHY0_CLK_EN	BIT(18)
++
++#define RT3883_GPIO_MODE_I2C		BIT(0)
++#define RT3883_GPIO_MODE_SPI		BIT(1)
++#define RT3883_GPIO_MODE_UART0_SHIFT	2
++#define RT3883_GPIO_MODE_UART0_MASK	0x7
++#define RT3883_GPIO_MODE_UART0(x)	((x) << RT3883_GPIO_MODE_UART0_SHIFT)
++#define RT3883_GPIO_MODE_UARTF		0x0
++#define RT3883_GPIO_MODE_PCM_UARTF	0x1
++#define RT3883_GPIO_MODE_PCM_I2S	0x2
++#define RT3883_GPIO_MODE_I2S_UARTF	0x3
++#define RT3883_GPIO_MODE_PCM_GPIO	0x4
++#define RT3883_GPIO_MODE_GPIO_UARTF	0x5
++#define RT3883_GPIO_MODE_GPIO_I2S	0x6
++#define RT3883_GPIO_MODE_GPIO		0x7
++#define RT3883_GPIO_MODE_UART1		BIT(5)
++#define RT3883_GPIO_MODE_JTAG		BIT(6)
++#define RT3883_GPIO_MODE_MDIO		BIT(7)
++#define RT3883_GPIO_MODE_GE1		BIT(9)
++#define RT3883_GPIO_MODE_GE2		BIT(10)
++#define RT3883_GPIO_MODE_PCI_SHIFT	11
++#define RT3883_GPIO_MODE_PCI_MASK	0x7
++#define RT3883_GPIO_MODE_PCI		(RT3883_GPIO_MODE_PCI_MASK << RT3883_GPIO_MODE_PCI_SHIFT)
++#define RT3883_GPIO_MODE_LNA_A_SHIFT	16
++#define RT3883_GPIO_MODE_LNA_A_MASK	0x3
++#define _RT3883_GPIO_MODE_LNA_A(_x)	((_x) << RT3883_GPIO_MODE_LNA_A_SHIFT)
++#define RT3883_GPIO_MODE_LNA_A_GPIO	0x3
++#define RT3883_GPIO_MODE_LNA_A		_RT3883_GPIO_MODE_LNA_A(RT3883_GPIO_MODE_LNA_A_MASK)
++#define RT3883_GPIO_MODE_LNA_G_SHIFT	18
++#define RT3883_GPIO_MODE_LNA_G_MASK	0x3
++#define _RT3883_GPIO_MODE_LNA_G(_x)	((_x) << RT3883_GPIO_MODE_LNA_G_SHIFT)
++#define RT3883_GPIO_MODE_LNA_G_GPIO	0x3
++#define RT3883_GPIO_MODE_LNA_G		_RT3883_GPIO_MODE_LNA_G(RT3883_GPIO_MODE_LNA_G_MASK)
++
++#define RT3883_GPIO_I2C_SD		1
++#define RT3883_GPIO_I2C_SCLK		2
++#define RT3883_GPIO_SPI_CS0		3
++#define RT3883_GPIO_SPI_CLK		4
++#define RT3883_GPIO_SPI_MOSI		5
++#define RT3883_GPIO_SPI_MISO		6
++#define RT3883_GPIO_7			7
++#define RT3883_GPIO_10			10
++#define RT3883_GPIO_14			14
++#define RT3883_GPIO_UART1_TXD		15
++#define RT3883_GPIO_UART1_RXD		16
++#define RT3883_GPIO_JTAG_TDO		17
++#define RT3883_GPIO_JTAG_TDI		18
++#define RT3883_GPIO_JTAG_TMS		19
++#define RT3883_GPIO_JTAG_TCLK		20
++#define RT3883_GPIO_JTAG_TRST_N		21
++#define RT3883_GPIO_MDIO_MDC		22
++#define RT3883_GPIO_MDIO_MDIO		23
++#define RT3883_GPIO_LNA_PE_A0		32
++#define RT3883_GPIO_LNA_PE_A1		33
++#define RT3883_GPIO_LNA_PE_A2		34
++#define RT3883_GPIO_LNA_PE_G0		35
++#define RT3883_GPIO_LNA_PE_G1		36
++#define RT3883_GPIO_LNA_PE_G2		37
++#define RT3883_GPIO_PCI_AD0		40
++#define RT3883_GPIO_PCI_AD31		71
++#define RT3883_GPIO_GE2_TXD0		72
++#define RT3883_GPIO_GE2_TXD1		73
++#define RT3883_GPIO_GE2_TXD2		74
++#define RT3883_GPIO_GE2_TXD3		75
++#define RT3883_GPIO_GE2_TXEN		76
++#define RT3883_GPIO_GE2_TXCLK		77
++#define RT3883_GPIO_GE2_RXD0		78
++#define RT3883_GPIO_GE2_RXD1		79
++#define RT3883_GPIO_GE2_RXD2		80
++#define RT3883_GPIO_GE2_RXD3		81
++#define RT3883_GPIO_GE2_RXDV		82
++#define RT3883_GPIO_GE2_RXCLK		83
++#define RT3883_GPIO_GE1_TXD0		84
++#define RT3883_GPIO_GE1_TXD1		85
++#define RT3883_GPIO_GE1_TXD2		86
++#define RT3883_GPIO_GE1_TXD3		87
++#define RT3883_GPIO_GE1_TXEN		88
++#define RT3883_GPIO_GE1_TXCLK		89
++#define RT3883_GPIO_GE1_RXD0		90
++#define RT3883_GPIO_GE1_RXD1		91
++#define RT3883_GPIO_GE1_RXD2		92
++#define RT3883_GPIO_GE1_RXD3		93
++#define RT3883_GPIO_GE1_RXDV		94
++#define RT3883_GPIO_GE1_RXCLK	95
++
++#define RT3883_RSTCTRL_PCIE_PCI_PDM	BIT(27)
++#define RT3883_RSTCTRL_FLASH		BIT(26)
++#define RT3883_RSTCTRL_UDEV		BIT(25)
++#define RT3883_RSTCTRL_PCI		BIT(24)
++#define RT3883_RSTCTRL_PCIE		BIT(23)
++#define RT3883_RSTCTRL_UHST		BIT(22)
++#define RT3883_RSTCTRL_FE		BIT(21)
++#define RT3883_RSTCTRL_WLAN		BIT(20)
++#define RT3883_RSTCTRL_UART1		BIT(29)
++#define RT3883_RSTCTRL_SPI		BIT(18)
++#define RT3883_RSTCTRL_I2S		BIT(17)
++#define RT3883_RSTCTRL_I2C		BIT(16)
++#define RT3883_RSTCTRL_NAND		BIT(15)
++#define RT3883_RSTCTRL_DMA		BIT(14)
++#define RT3883_RSTCTRL_PIO		BIT(13)
++#define RT3883_RSTCTRL_UART		BIT(12)
++#define RT3883_RSTCTRL_PCM		BIT(11)
++#define RT3883_RSTCTRL_MC		BIT(10)
++#define RT3883_RSTCTRL_INTC		BIT(9)
++#define RT3883_RSTCTRL_TIMER		BIT(8)
++#define RT3883_RSTCTRL_SYS		BIT(0)
++
++#define RT3883_INTC_INT_SYSCTL	BIT(0)
++#define RT3883_INTC_INT_TIMER0	BIT(1)
++#define RT3883_INTC_INT_TIMER1	BIT(2)
++#define RT3883_INTC_INT_IA	BIT(3)
++#define RT3883_INTC_INT_PCM	BIT(4)
++#define RT3883_INTC_INT_UART0	BIT(5)
++#define RT3883_INTC_INT_PIO	BIT(6)
++#define RT3883_INTC_INT_DMA	BIT(7)
++#define RT3883_INTC_INT_NAND	BIT(8)
++#define RT3883_INTC_INT_PERFC	BIT(9)
++#define RT3883_INTC_INT_I2S	BIT(10)
++#define RT3883_INTC_INT_UART1	BIT(12)
++#define RT3883_INTC_INT_UHST	BIT(18)
++#define RT3883_INTC_INT_UDEV	BIT(19)
++
++/* FLASH/SRAM/Codec Controller registers */
++#define RT3883_FSCC_REG_FLASH_CFG0	0x00
++#define RT3883_FSCC_REG_FLASH_CFG1	0x04
++#define RT3883_FSCC_REG_CODEC_CFG0	0x40
++#define RT3883_FSCC_REG_CODEC_CFG1	0x44
++
++#define RT3883_FLASH_CFG_WIDTH_SHIFT	26
++#define RT3883_FLASH_CFG_WIDTH_MASK	0x3
++#define RT3883_FLASH_CFG_WIDTH_8BIT	0x0
++#define RT3883_FLASH_CFG_WIDTH_16BIT	0x1
++#define RT3883_FLASH_CFG_WIDTH_32BIT	0x2
++
++#endif /* _RT3883_REGS_H_ */
+--- a/arch/mips/ralink/Kconfig
++++ b/arch/mips/ralink/Kconfig
+@@ -15,6 +15,11 @@ choice
+ 		select USB_ARCH_HAS_OHCI
+ 		select USB_ARCH_HAS_EHCI
+ 
++	config SOC_RT3883
++		bool "RT3883"
++		select USB_ARCH_HAS_OHCI
++		select USB_ARCH_HAS_EHCI
++
+ endchoice
+ 
+ choice
+--- a/arch/mips/ralink/Makefile
++++ b/arch/mips/ralink/Makefile
+@@ -10,6 +10,7 @@ obj-y := prom.o of.o reset.o clk.o irq.o
+ 
+ obj-$(CONFIG_SOC_RT288X) += rt288x.o
+ obj-$(CONFIG_SOC_RT305X) += rt305x.o
++obj-$(CONFIG_SOC_RT3883) += rt3883.o
+ 
+ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
+ 
+--- a/arch/mips/ralink/Platform
++++ b/arch/mips/ralink/Platform
+@@ -13,3 +13,8 @@ load-$(CONFIG_SOC_RT288X)	+= 0xffffffff8
+ # Ralink RT305x
+ #
+ load-$(CONFIG_SOC_RT305X)	+= 0xffffffff80000000
++
++#
++# Ralink RT3883
++#
++load-$(CONFIG_SOC_RT3883)	+= 0xffffffff80000000
+--- /dev/null
++++ b/arch/mips/ralink/rt3883.c
+@@ -0,0 +1,242 @@
++/*
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms of the GNU General Public License version 2 as published
++ * by the Free Software Foundation.
++ *
++ * Parts of this file are based on Ralink's 2.6.21 BSP
++ *
++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
++ * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
++ */
++
++#include <linux/kernel.h>
++#include <linux/init.h>
++#include <linux/module.h>
++
++#include <asm/mipsregs.h>
++#include <asm/mach-ralink/ralink_regs.h>
++#include <asm/mach-ralink/rt3883.h>
++
++#include "common.h"
++
++static struct ralink_pinmux_grp mode_mux[] = {
++	{
++		.name = "i2c",
++		.mask = RT3883_GPIO_MODE_I2C,
++		.gpio_first = RT3883_GPIO_I2C_SD,
++		.gpio_last = RT3883_GPIO_I2C_SCLK,
++	}, {
++		.name = "spi",
++		.mask = RT3883_GPIO_MODE_SPI,
++		.gpio_first = RT3883_GPIO_SPI_CS0,
++		.gpio_last = RT3883_GPIO_SPI_MISO,
++	}, {
++		.name = "uartlite",
++		.mask = RT3883_GPIO_MODE_UART1,
++		.gpio_first = RT3883_GPIO_UART1_TXD,
++		.gpio_last = RT3883_GPIO_UART1_RXD,
++	}, {
++		.name = "jtag",
++		.mask = RT3883_GPIO_MODE_JTAG,
++		.gpio_first = RT3883_GPIO_JTAG_TDO,
++		.gpio_last = RT3883_GPIO_JTAG_TCLK,
++	}, {
++		.name = "mdio",
++		.mask = RT3883_GPIO_MODE_MDIO,
++		.gpio_first = RT3883_GPIO_MDIO_MDC,
++		.gpio_last = RT3883_GPIO_MDIO_MDIO,
++	}, {
++		.name = "ge1",
++		.mask = RT3883_GPIO_MODE_GE1,
++		.gpio_first = RT3883_GPIO_GE1_TXD0,
++		.gpio_last = RT3883_GPIO_GE1_RXCLK,
++	}, {
++		.name = "ge2",
++		.mask = RT3883_GPIO_MODE_GE2,
++		.gpio_first = RT3883_GPIO_GE2_TXD0,
++		.gpio_last = RT3883_GPIO_GE2_RXCLK,
++	}, {
++		.name = "pci",
++		.mask = RT3883_GPIO_MODE_PCI,
++		.gpio_first = RT3883_GPIO_PCI_AD0,
++		.gpio_last = RT3883_GPIO_PCI_AD31,
++	}, {
++		.name = "lna a",
++		.mask = RT3883_GPIO_MODE_LNA_A,
++		.gpio_first = RT3883_GPIO_LNA_PE_A0,
++		.gpio_last = RT3883_GPIO_LNA_PE_A2,
++	}, {
++		.name = "lna g",
++		.mask = RT3883_GPIO_MODE_LNA_G,
++		.gpio_first = RT3883_GPIO_LNA_PE_G0,
++		.gpio_last = RT3883_GPIO_LNA_PE_G2,
++	}, {0}
++};
++
++static struct ralink_pinmux_grp uart_mux[] = {
++	{
++		.name = "uartf",
++		.mask = RT3883_GPIO_MODE_UARTF,
++		.gpio_first = RT3883_GPIO_7,
++		.gpio_last = RT3883_GPIO_14,
++	}, {
++		.name = "pcm uartf",
++		.mask = RT3883_GPIO_MODE_PCM_UARTF,
++		.gpio_first = RT3883_GPIO_7,
++		.gpio_last = RT3883_GPIO_14,
++	}, {
++		.name = "pcm i2s",
++		.mask = RT3883_GPIO_MODE_PCM_I2S,
++		.gpio_first = RT3883_GPIO_7,
++		.gpio_last = RT3883_GPIO_14,
++	}, {
++		.name = "i2s uartf",
++		.mask = RT3883_GPIO_MODE_I2S_UARTF,
++		.gpio_first = RT3883_GPIO_7,
++		.gpio_last = RT3883_GPIO_14,
++	}, {
++		.name = "pcm gpio",
++		.mask = RT3883_GPIO_MODE_PCM_GPIO,
++		.gpio_first = RT3883_GPIO_11,
++		.gpio_last = RT3883_GPIO_14,
++	}, {
++		.name = "gpio uartf",
++		.mask = RT3883_GPIO_MODE_GPIO_UARTF,
++		.gpio_first = RT3883_GPIO_7,
++		.gpio_last = RT3883_GPIO_10,
++	}, {
++		.name = "gpio i2s",
++		.mask = RT3883_GPIO_MODE_GPIO_I2S,
++		.gpio_first = RT3883_GPIO_7,
++		.gpio_last = RT3883_GPIO_10,
++	}, {
++		.name = "gpio",
++		.mask = RT3883_GPIO_MODE_GPIO,
++	}, {0}
++};
++
++static struct ralink_pinmux_grp pci_mux[] = {
++	{
++		.name = "pci-dev",
++		.mask = 0,
++		.gpio_first = RT3883_GPIO_PCI_AD0,
++		.gpio_last = RT3883_GPIO_PCI_AD31,
++	}, {
++		.name = "pci-host2",
++		.mask = 1,
++		.gpio_first = RT3883_GPIO_PCI_AD0,
++		.gpio_last = RT3883_GPIO_PCI_AD31,
++	}, {
++		.name = "pci-host1",
++		.mask = 2,
++		.gpio_first = RT3883_GPIO_PCI_AD0,
++		.gpio_last = RT3883_GPIO_PCI_AD31,
++	}, {
++		.name = "pci-fnc",
++		.mask = 3,
++		.gpio_first = RT3883_GPIO_PCI_AD0,
++		.gpio_last = RT3883_GPIO_PCI_AD31,
++	}, {
++		.name = "pci-gpio",
++		.mask = 7,
++		.gpio_first = RT3883_GPIO_PCI_AD0,
++		.gpio_last = RT3883_GPIO_PCI_AD31,
++	}, {0}
++};
++
++static void rt3883_wdt_reset(void)
++{
++	u32 t;
++
++	/* enable WDT reset output on GPIO 2 */
++	t = rt_sysc_r32(RT3883_SYSC_REG_SYSCFG1);
++	t |= RT3883_SYSCFG1_GPIO2_AS_WDT_OUT;
++	rt_sysc_w32(t, RT3883_SYSC_REG_SYSCFG1);
++}
++
++struct ralink_pinmux rt_gpio_pinmux = {
++	.mode = mode_mux,
++	.uart = uart_mux,
++	.uart_shift = RT3883_GPIO_MODE_UART0_SHIFT,
++	.uart_mask = RT3883_GPIO_MODE_GPIO,
++	.wdt_reset = rt3883_wdt_reset,
++	.pci = pci_mux,
++	.pci_shift = RT3883_GPIO_MODE_PCI_SHIFT,
++	.pci_mask = RT3883_GPIO_MODE_PCI_MASK,
++};
++
++void __init ralink_clk_init(void)
++{
++	unsigned long cpu_rate, sys_rate;
++	u32 syscfg0;
++	u32 clksel;
++	u32 ddr2;
++
++	syscfg0 = rt_sysc_r32(RT3883_SYSC_REG_SYSCFG0);
++	clksel = ((syscfg0 >> RT3883_SYSCFG0_CPUCLK_SHIFT) &
++		RT3883_SYSCFG0_CPUCLK_MASK);
++	ddr2 = syscfg0 & RT3883_SYSCFG0_DRAM_TYPE_DDR2;
++
++	switch (clksel) {
++	case RT3883_SYSCFG0_CPUCLK_250:
++		cpu_rate = 250000000;
++		sys_rate = (ddr2) ? 125000000 : 83000000;
++		break;
++	case RT3883_SYSCFG0_CPUCLK_384:
++		cpu_rate = 384000000;
++		sys_rate = (ddr2) ? 128000000 : 96000000;
++		break;
++	case RT3883_SYSCFG0_CPUCLK_480:
++		cpu_rate = 480000000;
++		sys_rate = (ddr2) ? 160000000 : 120000000;
++		break;
++	case RT3883_SYSCFG0_CPUCLK_500:
++		cpu_rate = 500000000;
++		sys_rate = (ddr2) ? 166000000 : 125000000;
++		break;
++	}
++
++	ralink_clk_add("cpu", cpu_rate);
++	ralink_clk_add("10000100.timer", sys_rate);
++	ralink_clk_add("10000120.watchdog", sys_rate);
++	ralink_clk_add("10000500.uart", 40000000);
++	ralink_clk_add("10000b00.spi", sys_rate);
++	ralink_clk_add("10000c00.uartlite", 40000000);
++	ralink_clk_add("10100000.ethernet", sys_rate);
++}
++
++void __init ralink_of_remap(void)
++{
++	rt_sysc_membase = plat_of_remap_node("ralink,rt3883-sysc");
++	rt_memc_membase = plat_of_remap_node("ralink,rt3883-memc");
++
++	if (!rt_sysc_membase || !rt_memc_membase)
++		panic("Failed to remap core resources");
++}
++
++void prom_soc_init(struct ralink_soc_info *soc_info)
++{
++	void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT3883_SYSC_BASE);
++	const char *name;
++	u32 n0;
++	u32 n1;
++	u32 id;
++
++	n0 = __raw_readl(sysc + RT3883_SYSC_REG_CHIPID0_3);
++	n1 = __raw_readl(sysc + RT3883_SYSC_REG_CHIPID4_7);
++	id = __raw_readl(sysc + RT3883_SYSC_REG_REVID);
++
++	if (n0 == RT3883_CHIP_NAME0 && n1 == RT3883_CHIP_NAME1) {
++		soc_info->compatible = "ralink,rt3883-soc";
++		name = "RT3883";
++	} else {
++		panic("rt3883: unknown SoC, n0:%08x n1:%08x", n0, n1);
++	}
++
++	snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN,
++		"Ralink %s ver:%u eco:%u",
++		name,
++		(id >> RT3883_REVID_VER_ID_SHIFT) & RT3883_REVID_VER_ID_MASK,
++		(id & RT3883_REVID_ECO_ID_MASK));
++}