Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

13 files changed, 1066 insertions, 0 deletions

diff --git a/arch/mips/include/asm/mach-ralink/irq.h b/arch/mips/include/asm/mach-ralink/irq.h
new file mode 100644
index 000000000..86473e399
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/irq.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_MACH_RALINK_IRQ_H
+#define __ASM_MACH_RALINK_IRQ_H
+
+#define GIC_NUM_INTRS	64
+#define NR_IRQS 256
+
+#include_next <irq.h>
+
+#endif
diff --git a/arch/mips/include/asm/mach-ralink/mt7620.h b/arch/mips/include/asm/mach-ralink/mt7620.h
new file mode 100644
index 000000000..66af4ccb5
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/mt7620.h
@@ -0,0 +1,140 @@
+/*
+ * 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) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
+ */
+
+#ifndef _MT7620_REGS_H_
+#define _MT7620_REGS_H_
+
+#define MT7620_SYSC_BASE		0x10000000
+
+#define SYSC_REG_CHIP_NAME0		0x00
+#define SYSC_REG_CHIP_NAME1		0x04
+#define SYSC_REG_EFUSE_CFG		0x08
+#define SYSC_REG_CHIP_REV		0x0c
+#define SYSC_REG_SYSTEM_CONFIG0		0x10
+#define SYSC_REG_SYSTEM_CONFIG1		0x14
+#define SYSC_REG_CLKCFG0		0x2c
+#define SYSC_REG_CPU_SYS_CLKCFG		0x3c
+#define SYSC_REG_CPLL_CONFIG0		0x54
+#define SYSC_REG_CPLL_CONFIG1		0x58
+
+#define MT7620_CHIP_NAME0		0x3637544d
+#define MT7620_CHIP_NAME1		0x20203032
+#define MT7628_CHIP_NAME1		0x20203832
+
+#define SYSCFG0_XTAL_FREQ_SEL		BIT(6)
+
+#define CHIP_REV_PKG_MASK		0x1
+#define CHIP_REV_PKG_SHIFT		16
+#define CHIP_REV_VER_MASK		0xf
+#define CHIP_REV_VER_SHIFT		8
+#define CHIP_REV_ECO_MASK		0xf
+
+#define CLKCFG0_PERI_CLK_SEL		BIT(4)
+
+#define CPU_SYS_CLKCFG_OCP_RATIO_SHIFT	16
+#define CPU_SYS_CLKCFG_OCP_RATIO_MASK	0xf
+#define CPU_SYS_CLKCFG_OCP_RATIO_1	0	/* 1:1   (Reserved) */
+#define CPU_SYS_CLKCFG_OCP_RATIO_1_5	1	/* 1:1.5 (Reserved) */
+#define CPU_SYS_CLKCFG_OCP_RATIO_2	2	/* 1:2   */
+#define CPU_SYS_CLKCFG_OCP_RATIO_2_5	3       /* 1:2.5 (Reserved) */
+#define CPU_SYS_CLKCFG_OCP_RATIO_3	4	/* 1:3   */
+#define CPU_SYS_CLKCFG_OCP_RATIO_3_5	5	/* 1:3.5 (Reserved) */
+#define CPU_SYS_CLKCFG_OCP_RATIO_4	6	/* 1:4   */
+#define CPU_SYS_CLKCFG_OCP_RATIO_5	7	/* 1:5   */
+#define CPU_SYS_CLKCFG_OCP_RATIO_10	8	/* 1:10  */
+#define CPU_SYS_CLKCFG_CPU_FDIV_SHIFT	8
+#define CPU_SYS_CLKCFG_CPU_FDIV_MASK	0x1f
+#define CPU_SYS_CLKCFG_CPU_FFRAC_SHIFT	0
+#define CPU_SYS_CLKCFG_CPU_FFRAC_MASK	0x1f
+
+#define CPLL_CFG0_SW_CFG		BIT(31)
+#define CPLL_CFG0_PLL_MULT_RATIO_SHIFT	16
+#define CPLL_CFG0_PLL_MULT_RATIO_MASK   0x7
+#define CPLL_CFG0_LC_CURFCK		BIT(15)
+#define CPLL_CFG0_BYPASS_REF_CLK	BIT(14)
+#define CPLL_CFG0_PLL_DIV_RATIO_SHIFT	10
+#define CPLL_CFG0_PLL_DIV_RATIO_MASK	0x3
+
+#define CPLL_CFG1_CPU_AUX1		BIT(25)
+#define CPLL_CFG1_CPU_AUX0		BIT(24)
+
+#define SYSCFG0_DRAM_TYPE_MASK		0x3
+#define SYSCFG0_DRAM_TYPE_SHIFT		4
+#define SYSCFG0_DRAM_TYPE_SDRAM		0
+#define SYSCFG0_DRAM_TYPE_DDR1		1
+#define SYSCFG0_DRAM_TYPE_DDR2		2
+#define SYSCFG0_DRAM_TYPE_UNKNOWN	3
+
+#define SYSCFG0_DRAM_TYPE_DDR2_MT7628	0
+#define SYSCFG0_DRAM_TYPE_DDR1_MT7628	1
+
+#define MT7620_DRAM_BASE		0x0
+#define MT7620_SDRAM_SIZE_MIN		2
+#define MT7620_SDRAM_SIZE_MAX		64
+#define MT7620_DDR1_SIZE_MIN		32
+#define MT7620_DDR1_SIZE_MAX		128
+#define MT7620_DDR2_SIZE_MIN		32
+#define MT7620_DDR2_SIZE_MAX		256
+
+#define MT7620_GPIO_MODE_UART0_SHIFT	2
+#define MT7620_GPIO_MODE_UART0_MASK	0x7
+#define MT7620_GPIO_MODE_UART0(x)	((x) << MT7620_GPIO_MODE_UART0_SHIFT)
+#define MT7620_GPIO_MODE_UARTF		0x0
+#define MT7620_GPIO_MODE_PCM_UARTF	0x1
+#define MT7620_GPIO_MODE_PCM_I2S	0x2
+#define MT7620_GPIO_MODE_I2S_UARTF	0x3
+#define MT7620_GPIO_MODE_PCM_GPIO	0x4
+#define MT7620_GPIO_MODE_GPIO_UARTF	0x5
+#define MT7620_GPIO_MODE_GPIO_I2S	0x6
+#define MT7620_GPIO_MODE_GPIO		0x7
+
+#define MT7620_GPIO_MODE_NAND		0
+#define MT7620_GPIO_MODE_SD		1
+#define MT7620_GPIO_MODE_ND_SD_GPIO	2
+#define MT7620_GPIO_MODE_ND_SD_MASK	0x3
+#define MT7620_GPIO_MODE_ND_SD_SHIFT	18
+
+#define MT7620_GPIO_MODE_PCIE_RST	0
+#define MT7620_GPIO_MODE_PCIE_REF	1
+#define MT7620_GPIO_MODE_PCIE_GPIO	2
+#define MT7620_GPIO_MODE_PCIE_MASK	0x3
+#define MT7620_GPIO_MODE_PCIE_SHIFT	16
+
+#define MT7620_GPIO_MODE_WDT_RST	0
+#define MT7620_GPIO_MODE_WDT_REF	1
+#define MT7620_GPIO_MODE_WDT_GPIO	2
+#define MT7620_GPIO_MODE_WDT_MASK	0x3
+#define MT7620_GPIO_MODE_WDT_SHIFT	21
+
+#define MT7620_GPIO_MODE_MDIO		0
+#define MT7620_GPIO_MODE_MDIO_REFCLK	1
+#define MT7620_GPIO_MODE_MDIO_GPIO	2
+#define MT7620_GPIO_MODE_MDIO_MASK	0x3
+#define MT7620_GPIO_MODE_MDIO_SHIFT	7
+
+#define MT7620_GPIO_MODE_I2C		0
+#define MT7620_GPIO_MODE_UART1		5
+#define MT7620_GPIO_MODE_RGMII1		9
+#define MT7620_GPIO_MODE_RGMII2		10
+#define MT7620_GPIO_MODE_SPI		11
+#define MT7620_GPIO_MODE_SPI_REF_CLK	12
+#define MT7620_GPIO_MODE_WLED		13
+#define MT7620_GPIO_MODE_JTAG		15
+#define MT7620_GPIO_MODE_EPHY		15
+#define MT7620_GPIO_MODE_PA		20
+
+static inline int mt7620_get_eco(void)
+{
+	return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK;
+}
+
+#endif
diff --git a/arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h
new file mode 100644
index 000000000..f7bb8cfc5
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h
@@ -0,0 +1,57 @@
+/*
+ * Ralink MT7620 specific CPU feature overrides
+ *
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * This file was derived from: include/asm-mips/cpu-features.h
+ *	Copyright (C) 2003, 2004 Ralf Baechle
+ *	Copyright (C) 2004 Maciej W. Rozycki
+ *
+ * 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 _MT7620_CPU_FEATURE_OVERRIDES_H
+#define _MT7620_CPU_FEATURE_OVERRIDES_H
+
+#define cpu_has_tlb		1
+#define cpu_has_4kex		1
+#define cpu_has_3k_cache	0
+#define cpu_has_4k_cache	1
+#define cpu_has_tx39_cache	0
+#define cpu_has_sb1_cache	0
+#define cpu_has_fpu		0
+#define cpu_has_32fpr		0
+#define cpu_has_counter		1
+#define cpu_has_watch		1
+#define cpu_has_divec		1
+
+#define cpu_has_prefetch	1
+#define cpu_has_ejtag		1
+#define cpu_has_llsc		1
+
+#define cpu_has_mips16		1
+#define cpu_has_mdmx		0
+#define cpu_has_mips3d		0
+#define cpu_has_smartmips	0
+
+#define cpu_has_mips32r1	1
+#define cpu_has_mips32r2	1
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
+#define cpu_has_dsp		1
+#define cpu_has_dsp2		0
+#define cpu_has_mipsmt		0
+
+#define cpu_has_64bits		0
+#define cpu_has_64bit_zero_reg	0
+#define cpu_has_64bit_gp_regs	0
+#define cpu_has_64bit_addresses	0
+
+#define cpu_dcache_line_size()	32
+#define cpu_icache_line_size()	32
+
+#endif /* _MT7620_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mach-ralink/mt7621.h b/arch/mips/include/asm/mach-ralink/mt7621.h
new file mode 100644
index 000000000..a672e06fa
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/mt7621.h
@@ -0,0 +1,38 @@
+/*
+ * 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.
+ *
+ * Copyright (C) 2015 John Crispin <john@phrozen.org>
+ */
+
+#ifndef _MT7621_REGS_H_
+#define _MT7621_REGS_H_
+
+#define MT7621_PALMBUS_BASE		0x1C000000
+#define MT7621_PALMBUS_SIZE		0x03FFFFFF
+
+#define MT7621_SYSC_BASE		0x1E000000
+
+#define SYSC_REG_CHIP_NAME0		0x00
+#define SYSC_REG_CHIP_NAME1		0x04
+#define SYSC_REG_CHIP_REV		0x0c
+#define SYSC_REG_SYSTEM_CONFIG0		0x10
+#define SYSC_REG_SYSTEM_CONFIG1		0x14
+
+#define CHIP_REV_PKG_MASK		0x1
+#define CHIP_REV_PKG_SHIFT		16
+#define CHIP_REV_VER_MASK		0xf
+#define CHIP_REV_VER_SHIFT		8
+#define CHIP_REV_ECO_MASK		0xf
+
+#define MT7621_DRAM_BASE                0x0
+#define MT7621_DDR2_SIZE_MIN		32
+#define MT7621_DDR2_SIZE_MAX		256
+
+#define MT7621_CHIP_NAME0		0x3637544D
+#define MT7621_CHIP_NAME1		0x20203132
+
+#define MIPS_GIC_IRQ_BASE           (MIPS_CPU_IRQ_BASE + 8)
+
+#endif
diff --git a/arch/mips/include/asm/mach-ralink/mt7621/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/mt7621/cpu-feature-overrides.h
new file mode 100644
index 000000000..15db1b330
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/mt7621/cpu-feature-overrides.h
@@ -0,0 +1,65 @@
+/*
+ * Ralink MT7621 specific CPU feature overrides
+ *
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2015 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This file was derived from: include/asm-mips/cpu-features.h
+ *	Copyright (C) 2003, 2004 Ralf Baechle
+ *	Copyright (C) 2004 Maciej W. Rozycki
+ *
+ * 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 _MT7621_CPU_FEATURE_OVERRIDES_H
+#define _MT7621_CPU_FEATURE_OVERRIDES_H
+
+#define cpu_has_tlb		1
+#define cpu_has_4kex		1
+#define cpu_has_3k_cache	0
+#define cpu_has_4k_cache	1
+#define cpu_has_tx39_cache	0
+#define cpu_has_sb1_cache	0
+#define cpu_has_fpu		0
+#define cpu_has_32fpr		0
+#define cpu_has_counter		1
+#define cpu_has_watch		1
+#define cpu_has_divec		1
+
+#define cpu_has_prefetch	1
+#define cpu_has_ejtag		1
+#define cpu_has_llsc		1
+
+#define cpu_has_mips16		1
+#define cpu_has_mdmx		0
+#define cpu_has_mips3d		0
+#define cpu_has_smartmips	0
+
+#define cpu_has_mips32r1	1
+#define cpu_has_mips32r2	1
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
+#define cpu_has_dsp		1
+#define cpu_has_dsp2		0
+#define cpu_has_mipsmt		1
+
+#define cpu_has_64bits		0
+#define cpu_has_64bit_zero_reg	0
+#define cpu_has_64bit_gp_regs	0
+#define cpu_has_64bit_addresses	0
+
+#define cpu_dcache_line_size()	32
+#define cpu_icache_line_size()	32
+
+#define cpu_has_dc_aliases	0
+#define cpu_has_vtag_icache	0
+
+#define cpu_has_rixi		0
+#define cpu_has_tlbinv		0
+#define cpu_has_userlocal	1
+
+#endif /* _MT7621_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mach-ralink/pinmux.h b/arch/mips/include/asm/mach-ralink/pinmux.h
new file mode 100644
index 000000000..ba8ac331a
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/pinmux.h
@@ -0,0 +1,55 @@
+/*
+ *  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
+ *  publishhed by the Free Software Foundation.
+ *
+ *  Copyright (C) 2012 John Crispin <john@phrozen.org>
+ */
+
+#ifndef _RT288X_PINMUX_H__
+#define _RT288X_PINMUX_H__
+
+#define FUNC(name, value, pin_first, pin_count) \
+	{ name, value, pin_first, pin_count }
+
+#define GRP(_name, _func, _mask, _shift) \
+	{ .name = _name, .mask = _mask, .shift = _shift, \
+	  .func = _func, .gpio = _mask, \
+	  .func_count = ARRAY_SIZE(_func) }
+
+#define GRP_G(_name, _func, _mask, _gpio, _shift) \
+	{ .name = _name, .mask = _mask, .shift = _shift, \
+	  .func = _func, .gpio = _gpio, \
+	  .func_count = ARRAY_SIZE(_func) }
+
+struct rt2880_pmx_group;
+
+struct rt2880_pmx_func {
+	const char *name;
+	const char value;
+
+	int pin_first;
+	int pin_count;
+	int *pins;
+
+	int *groups;
+	int group_count;
+
+	int enabled;
+};
+
+struct rt2880_pmx_group {
+	const char *name;
+	int enabled;
+
+	const u32 shift;
+	const char mask;
+	const char gpio;
+
+	struct rt2880_pmx_func *func;
+	int func_count;
+};
+
+extern struct rt2880_pmx_group *rt2880_pinmux_data;
+
+#endif
diff --git a/arch/mips/include/asm/mach-ralink/ralink_regs.h b/arch/mips/include/asm/mach-ralink/ralink_regs.h
new file mode 100644
index 000000000..b4e7dfa21
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/ralink_regs.h
@@ -0,0 +1,65 @@
+/*
+ *  Ralink SoC register definitions
+ *
+ *  Copyright (C) 2013 John Crispin <john@phrozen.org>
+ *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@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 _RALINK_REGS_H_
+#define _RALINK_REGS_H_
+
+#include <linux/io.h>
+
+enum ralink_soc_type {
+	RALINK_UNKNOWN = 0,
+	RT2880_SOC,
+	RT3883_SOC,
+	RT305X_SOC_RT3050,
+	RT305X_SOC_RT3052,
+	RT305X_SOC_RT3350,
+	RT305X_SOC_RT3352,
+	RT305X_SOC_RT5350,
+	MT762X_SOC_MT7620A,
+	MT762X_SOC_MT7620N,
+	MT762X_SOC_MT7621AT,
+	MT762X_SOC_MT7628AN,
+	MT762X_SOC_MT7688,
+};
+extern enum ralink_soc_type ralink_soc;
+
+extern __iomem void *rt_sysc_membase;
+extern __iomem void *rt_memc_membase;
+
+static inline void rt_sysc_w32(u32 val, unsigned reg)
+{
+	__raw_writel(val, rt_sysc_membase + reg);
+}
+
+static inline u32 rt_sysc_r32(unsigned reg)
+{
+	return __raw_readl(rt_sysc_membase + reg);
+}
+
+static inline void rt_sysc_m32(u32 clr, u32 set, unsigned reg)
+{
+	u32 val = rt_sysc_r32(reg) & ~clr;
+
+	__raw_writel(val | set, rt_sysc_membase + reg);
+}
+
+static inline void rt_memc_w32(u32 val, unsigned reg)
+{
+	__raw_writel(val, rt_memc_membase + reg);
+}
+
+static inline u32 rt_memc_r32(unsigned reg)
+{
+	return __raw_readl(rt_memc_membase + reg);
+}
+
+#endif /* _RALINK_REGS_H_ */
diff --git a/arch/mips/include/asm/mach-ralink/rt288x.h b/arch/mips/include/asm/mach-ralink/rt288x.h
new file mode 100644
index 000000000..25ae1042d
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/rt288x.h
@@ -0,0 +1,53 @@
+/*
+ * 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) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
+ */
+
+#ifndef _RT288X_REGS_H_
+#define _RT288X_REGS_H_
+
+#define RT2880_SYSC_BASE		0x00300000
+
+#define SYSC_REG_CHIP_NAME0		0x00
+#define SYSC_REG_CHIP_NAME1		0x04
+#define SYSC_REG_CHIP_ID		0x0c
+#define SYSC_REG_SYSTEM_CONFIG		0x10
+#define SYSC_REG_CLKCFG			0x30
+
+#define RT2880_CHIP_NAME0		0x38325452
+#define RT2880_CHIP_NAME1		0x20203038
+
+#define CHIP_ID_ID_MASK			0xff
+#define CHIP_ID_ID_SHIFT		8
+#define CHIP_ID_REV_MASK		0xff
+
+#define SYSTEM_CONFIG_CPUCLK_SHIFT	20
+#define SYSTEM_CONFIG_CPUCLK_MASK	0x3
+#define SYSTEM_CONFIG_CPUCLK_250	0x0
+#define SYSTEM_CONFIG_CPUCLK_266	0x1
+#define SYSTEM_CONFIG_CPUCLK_280	0x2
+#define SYSTEM_CONFIG_CPUCLK_300	0x3
+
+#define RT2880_GPIO_MODE_I2C		BIT(0)
+#define RT2880_GPIO_MODE_UART0		BIT(1)
+#define RT2880_GPIO_MODE_SPI		BIT(2)
+#define RT2880_GPIO_MODE_UART1		BIT(3)
+#define RT2880_GPIO_MODE_JTAG		BIT(4)
+#define RT2880_GPIO_MODE_MDIO		BIT(5)
+#define RT2880_GPIO_MODE_SDRAM		BIT(6)
+#define RT2880_GPIO_MODE_PCI		BIT(7)
+
+#define CLKCFG_SRAM_CS_N_WDT		BIT(9)
+
+#define RT2880_SDRAM_BASE		0x08000000
+#define RT2880_MEM_SIZE_MIN		2
+#define RT2880_MEM_SIZE_MAX		128
+
+#endif
diff --git a/arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h
new file mode 100644
index 000000000..72fc10669
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h
@@ -0,0 +1,56 @@
+/*
+ * Ralink RT288x specific CPU feature overrides
+ *
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * This file was derived from: include/asm-mips/cpu-features.h
+ *	Copyright (C) 2003, 2004 Ralf Baechle
+ *	Copyright (C) 2004 Maciej W. Rozycki
+ *
+ * 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 _RT288X_CPU_FEATURE_OVERRIDES_H
+#define _RT288X_CPU_FEATURE_OVERRIDES_H
+
+#define cpu_has_tlb		1
+#define cpu_has_4kex		1
+#define cpu_has_3k_cache	0
+#define cpu_has_4k_cache	1
+#define cpu_has_tx39_cache	0
+#define cpu_has_sb1_cache	0
+#define cpu_has_fpu		0
+#define cpu_has_32fpr		0
+#define cpu_has_counter		1
+#define cpu_has_watch		1
+#define cpu_has_divec		1
+
+#define cpu_has_prefetch	1
+#define cpu_has_ejtag		1
+#define cpu_has_llsc		1
+
+#define cpu_has_mips16		1
+#define cpu_has_mdmx		0
+#define cpu_has_mips3d		0
+#define cpu_has_smartmips	0
+
+#define cpu_has_mips32r1	1
+#define cpu_has_mips32r2	1
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
+#define cpu_has_dsp		0
+#define cpu_has_mipsmt		0
+
+#define cpu_has_64bits		0
+#define cpu_has_64bit_zero_reg	0
+#define cpu_has_64bit_gp_regs	0
+#define cpu_has_64bit_addresses	0
+
+#define cpu_dcache_line_size()	16
+#define cpu_icache_line_size()	16
+
+#endif /* _RT288X_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mach-ralink/rt305x.h b/arch/mips/include/asm/mach-ralink/rt305x.h
new file mode 100644
index 000000000..ac2d65c04
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/rt305x.h
@@ -0,0 +1,162 @@
+/*
+ * 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) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ * Copyright (C) 2013 John Crispin <john@phrozen.org>
+ */
+
+#ifndef _RT305X_REGS_H_
+#define _RT305X_REGS_H_
+
+extern enum ralink_soc_type ralink_soc;
+
+static inline int soc_is_rt3050(void)
+{
+	return ralink_soc == RT305X_SOC_RT3050;
+}
+
+static inline int soc_is_rt3052(void)
+{
+	return ralink_soc == RT305X_SOC_RT3052;
+}
+
+static inline int soc_is_rt305x(void)
+{
+	return soc_is_rt3050() || soc_is_rt3052();
+}
+
+static inline int soc_is_rt3350(void)
+{
+	return ralink_soc == RT305X_SOC_RT3350;
+}
+
+static inline int soc_is_rt3352(void)
+{
+	return ralink_soc == RT305X_SOC_RT3352;
+}
+
+static inline int soc_is_rt5350(void)
+{
+	return ralink_soc == RT305X_SOC_RT5350;
+}
+
+#define RT305X_SYSC_BASE		0x10000000
+
+#define SYSC_REG_CHIP_NAME0		0x00
+#define SYSC_REG_CHIP_NAME1		0x04
+#define SYSC_REG_CHIP_ID		0x0c
+#define SYSC_REG_SYSTEM_CONFIG		0x10
+
+#define RT3052_CHIP_NAME0		0x30335452
+#define RT3052_CHIP_NAME1		0x20203235
+
+#define RT3350_CHIP_NAME0		0x33335452
+#define RT3350_CHIP_NAME1		0x20203035
+
+#define RT3352_CHIP_NAME0		0x33335452
+#define RT3352_CHIP_NAME1		0x20203235
+
+#define RT5350_CHIP_NAME0		0x33355452
+#define RT5350_CHIP_NAME1		0x20203035
+
+#define CHIP_ID_ID_MASK			0xff
+#define CHIP_ID_ID_SHIFT		8
+#define CHIP_ID_REV_MASK		0xff
+
+#define RT305X_SYSCFG_CPUCLK_SHIFT		18
+#define RT305X_SYSCFG_CPUCLK_MASK		0x1
+#define RT305X_SYSCFG_CPUCLK_LOW		0x0
+#define RT305X_SYSCFG_CPUCLK_HIGH		0x1
+
+#define RT305X_SYSCFG_SRAM_CS0_MODE_SHIFT	2
+#define RT305X_SYSCFG_CPUCLK_MASK		0x1
+#define RT305X_SYSCFG_SRAM_CS0_MODE_WDT		0x1
+
+#define RT3352_SYSCFG0_CPUCLK_SHIFT	8
+#define RT3352_SYSCFG0_CPUCLK_MASK	0x1
+#define RT3352_SYSCFG0_CPUCLK_LOW	0x0
+#define RT3352_SYSCFG0_CPUCLK_HIGH	0x1
+
+#define RT5350_SYSCFG0_CPUCLK_SHIFT	8
+#define RT5350_SYSCFG0_CPUCLK_MASK	0x3
+#define RT5350_SYSCFG0_CPUCLK_360	0x0
+#define RT5350_SYSCFG0_CPUCLK_320	0x2
+#define RT5350_SYSCFG0_CPUCLK_300	0x3
+
+#define RT5350_SYSCFG0_DRAM_SIZE_SHIFT  12
+#define RT5350_SYSCFG0_DRAM_SIZE_MASK   7
+#define RT5350_SYSCFG0_DRAM_SIZE_2M     0
+#define RT5350_SYSCFG0_DRAM_SIZE_8M     1
+#define RT5350_SYSCFG0_DRAM_SIZE_16M    2
+#define RT5350_SYSCFG0_DRAM_SIZE_32M    3
+#define RT5350_SYSCFG0_DRAM_SIZE_64M    4
+
+/* multi function gpio pins */
+#define RT305X_GPIO_I2C_SD		1
+#define RT305X_GPIO_I2C_SCLK		2
+#define RT305X_GPIO_SPI_EN		3
+#define RT305X_GPIO_SPI_CLK		4
+/* GPIO 7-14 is shared between UART0, PCM  and I2S interfaces */
+#define RT305X_GPIO_7			7
+#define RT305X_GPIO_10			10
+#define RT305X_GPIO_14			14
+#define RT305X_GPIO_UART1_TXD		15
+#define RT305X_GPIO_UART1_RXD		16
+#define RT305X_GPIO_JTAG_TDO		17
+#define RT305X_GPIO_JTAG_TDI		18
+#define RT305X_GPIO_MDIO_MDC		22
+#define RT305X_GPIO_MDIO_MDIO		23
+#define RT305X_GPIO_SDRAM_MD16		24
+#define RT305X_GPIO_SDRAM_MD31		39
+#define RT305X_GPIO_GE0_TXD0		40
+#define RT305X_GPIO_GE0_RXCLK		51
+
+#define RT305X_GPIO_MODE_UART0_SHIFT	2
+#define RT305X_GPIO_MODE_UART0_MASK	0x7
+#define RT305X_GPIO_MODE_UART0(x)	((x) << RT305X_GPIO_MODE_UART0_SHIFT)
+#define RT305X_GPIO_MODE_UARTF		0
+#define RT305X_GPIO_MODE_PCM_UARTF	1
+#define RT305X_GPIO_MODE_PCM_I2S	2
+#define RT305X_GPIO_MODE_I2S_UARTF	3
+#define RT305X_GPIO_MODE_PCM_GPIO	4
+#define RT305X_GPIO_MODE_GPIO_UARTF	5
+#define RT305X_GPIO_MODE_GPIO_I2S	6
+#define RT305X_GPIO_MODE_GPIO		7
+
+#define RT305X_GPIO_MODE_I2C		0
+#define RT305X_GPIO_MODE_SPI		1
+#define RT305X_GPIO_MODE_UART1		5
+#define RT305X_GPIO_MODE_JTAG		6
+#define RT305X_GPIO_MODE_MDIO		7
+#define RT305X_GPIO_MODE_SDRAM		8
+#define RT305X_GPIO_MODE_RGMII		9
+#define RT5350_GPIO_MODE_PHY_LED	14
+#define RT5350_GPIO_MODE_SPI_CS1	21
+#define RT3352_GPIO_MODE_LNA		18
+#define RT3352_GPIO_MODE_PA		20
+
+#define RT3352_SYSC_REG_SYSCFG0		0x010
+#define RT3352_SYSC_REG_SYSCFG1         0x014
+#define RT3352_SYSC_REG_CLKCFG1         0x030
+#define RT3352_SYSC_REG_RSTCTRL         0x034
+#define RT3352_SYSC_REG_USB_PS          0x05c
+
+#define RT3352_CLKCFG0_XTAL_SEL		BIT(20)
+#define RT3352_CLKCFG1_UPHY0_CLK_EN	BIT(18)
+#define RT3352_CLKCFG1_UPHY1_CLK_EN	BIT(20)
+#define RT3352_RSTCTRL_UHST		BIT(22)
+#define RT3352_RSTCTRL_UDEV		BIT(25)
+#define RT3352_SYSCFG1_USB0_HOST_MODE	BIT(10)
+
+#define RT305X_SDRAM_BASE		0x00000000
+#define RT305X_MEM_SIZE_MIN		2
+#define RT305X_MEM_SIZE_MAX		64
+#define RT3352_MEM_SIZE_MIN		2
+#define RT3352_MEM_SIZE_MAX		256
+
+#endif
diff --git a/arch/mips/include/asm/mach-ralink/rt305x/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/rt305x/cpu-feature-overrides.h
new file mode 100644
index 000000000..917c28654
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/rt305x/cpu-feature-overrides.h
@@ -0,0 +1,56 @@
+/*
+ * Ralink RT305x specific CPU feature overrides
+ *
+ * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * This file was derived from: include/asm-mips/cpu-features.h
+ *	Copyright (C) 2003, 2004 Ralf Baechle
+ *	Copyright (C) 2004 Maciej W. Rozycki
+ *
+ * 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 _RT305X_CPU_FEATURE_OVERRIDES_H
+#define _RT305X_CPU_FEATURE_OVERRIDES_H
+
+#define cpu_has_tlb		1
+#define cpu_has_4kex		1
+#define cpu_has_3k_cache	0
+#define cpu_has_4k_cache	1
+#define cpu_has_tx39_cache	0
+#define cpu_has_sb1_cache	0
+#define cpu_has_fpu		0
+#define cpu_has_32fpr		0
+#define cpu_has_counter		1
+#define cpu_has_watch		1
+#define cpu_has_divec		1
+
+#define cpu_has_prefetch	1
+#define cpu_has_ejtag		1
+#define cpu_has_llsc		1
+
+#define cpu_has_mips16		1
+#define cpu_has_mdmx		0
+#define cpu_has_mips3d		0
+#define cpu_has_smartmips	0
+
+#define cpu_has_mips32r1	1
+#define cpu_has_mips32r2	1
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
+#define cpu_has_dsp		1
+#define cpu_has_mipsmt		0
+
+#define cpu_has_64bits		0
+#define cpu_has_64bit_zero_reg	0
+#define cpu_has_64bit_gp_regs	0
+#define cpu_has_64bit_addresses	0
+
+#define cpu_dcache_line_size()	32
+#define cpu_icache_line_size()	32
+
+#endif /* _RT305X_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mach-ralink/rt3883.h b/arch/mips/include/asm/mach-ralink/rt3883.h
new file mode 100644
index 000000000..0fbe6f925
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/rt3883.h
@@ -0,0 +1,254 @@
+/*
+ * 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_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_I2C		0
+#define RT3883_GPIO_MODE_SPI		1
+#define RT3883_GPIO_MODE_UART1		5
+#define RT3883_GPIO_MODE_JTAG		6
+#define RT3883_GPIO_MODE_MDIO		7
+#define RT3883_GPIO_MODE_GE1		9
+#define RT3883_GPIO_MODE_GE2		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_11			11
+#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
+
+#define RT3883_SDRAM_BASE		0x00000000
+#define RT3883_MEM_SIZE_MIN		2
+#define RT3883_MEM_SIZE_MAX		256
+
+#endif /* _RT3883_REGS_H_ */
diff --git a/arch/mips/include/asm/mach-ralink/rt3883/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/rt3883/cpu-feature-overrides.h
new file mode 100644
index 000000000..181fbf4c9
--- /dev/null
+++ b/arch/mips/include/asm/mach-ralink/rt3883/cpu-feature-overrides.h
@@ -0,0 +1,55 @@
+/*
+ * Ralink RT3662/RT3883 specific CPU feature overrides
+ *
+ * Copyright (C) 2011-2013 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This file was derived from: include/asm-mips/cpu-features.h
+ *	Copyright (C) 2003, 2004 Ralf Baechle
+ *	Copyright (C) 2004 Maciej W. Rozycki
+ *
+ * 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_CPU_FEATURE_OVERRIDES_H
+#define _RT3883_CPU_FEATURE_OVERRIDES_H
+
+#define cpu_has_tlb		1
+#define cpu_has_4kex		1
+#define cpu_has_3k_cache	0
+#define cpu_has_4k_cache	1
+#define cpu_has_tx39_cache	0
+#define cpu_has_sb1_cache	0
+#define cpu_has_fpu		0
+#define cpu_has_32fpr		0
+#define cpu_has_counter		1
+#define cpu_has_watch		1
+#define cpu_has_divec		1
+
+#define cpu_has_prefetch	1
+#define cpu_has_ejtag		1
+#define cpu_has_llsc		1
+
+#define cpu_has_mips16		1
+#define cpu_has_mdmx		0
+#define cpu_has_mips3d		0
+#define cpu_has_smartmips	0
+
+#define cpu_has_mips32r1	1
+#define cpu_has_mips32r2	1
+#define cpu_has_mips64r1	0
+#define cpu_has_mips64r2	0
+
+#define cpu_has_dsp		1
+#define cpu_has_mipsmt		0
+
+#define cpu_has_64bits		0
+#define cpu_has_64bit_zero_reg	0
+#define cpu_has_64bit_gp_regs	0
+#define cpu_has_64bit_addresses	0
+
+#define cpu_dcache_line_size()	32
+#define cpu_icache_line_size()	32
+
+#endif /* _RT3883_CPU_FEATURE_OVERRIDES_H */