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  1/*
  2 * This program is free software; you can redistribute it and/or modify it
  3 * under the terms of the GNU General Public License version 2 as published
  4 * by the Free Software Foundation.
  5 *
  6 * Parts of this file are based on Ralink's 2.6.21 BSP
  7 *
  8 * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
  9 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
 10 * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
 11 */
 12
 13#ifndef _MT7620_REGS_H_
 14#define _MT7620_REGS_H_
 15
 16#define MT7620_SYSC_BASE		0x10000000
 17
 18#define SYSC_REG_CHIP_NAME0		0x00
 19#define SYSC_REG_CHIP_NAME1		0x04
 20#define SYSC_REG_EFUSE_CFG		0x08
 21#define SYSC_REG_CHIP_REV		0x0c
 22#define SYSC_REG_SYSTEM_CONFIG0		0x10
 23#define SYSC_REG_SYSTEM_CONFIG1		0x14
 24#define SYSC_REG_CLKCFG0		0x2c
 25#define SYSC_REG_CPU_SYS_CLKCFG		0x3c
 26#define SYSC_REG_CPLL_CONFIG0		0x54
 27#define SYSC_REG_CPLL_CONFIG1		0x58
 28
 29#define MT7620_CHIP_NAME0		0x3637544d
 30#define MT7620_CHIP_NAME1		0x20203032
 31#define MT7628_CHIP_NAME1		0x20203832
 32
 33#define SYSCFG0_XTAL_FREQ_SEL		BIT(6)
 34
 35#define CHIP_REV_PKG_MASK		0x1
 36#define CHIP_REV_PKG_SHIFT		16
 37#define CHIP_REV_VER_MASK		0xf
 38#define CHIP_REV_VER_SHIFT		8
 39#define CHIP_REV_ECO_MASK		0xf
 40
 41#define CLKCFG0_PERI_CLK_SEL		BIT(4)
 42
 43#define CPU_SYS_CLKCFG_OCP_RATIO_SHIFT	16
 44#define CPU_SYS_CLKCFG_OCP_RATIO_MASK	0xf
 45#define CPU_SYS_CLKCFG_OCP_RATIO_1	0	/* 1:1   (Reserved) */
 46#define CPU_SYS_CLKCFG_OCP_RATIO_1_5	1	/* 1:1.5 (Reserved) */
 47#define CPU_SYS_CLKCFG_OCP_RATIO_2	2	/* 1:2   */
 48#define CPU_SYS_CLKCFG_OCP_RATIO_2_5	3       /* 1:2.5 (Reserved) */
 49#define CPU_SYS_CLKCFG_OCP_RATIO_3	4	/* 1:3   */
 50#define CPU_SYS_CLKCFG_OCP_RATIO_3_5	5	/* 1:3.5 (Reserved) */
 51#define CPU_SYS_CLKCFG_OCP_RATIO_4	6	/* 1:4   */
 52#define CPU_SYS_CLKCFG_OCP_RATIO_5	7	/* 1:5   */
 53#define CPU_SYS_CLKCFG_OCP_RATIO_10	8	/* 1:10  */
 54#define CPU_SYS_CLKCFG_CPU_FDIV_SHIFT	8
 55#define CPU_SYS_CLKCFG_CPU_FDIV_MASK	0x1f
 56#define CPU_SYS_CLKCFG_CPU_FFRAC_SHIFT	0
 57#define CPU_SYS_CLKCFG_CPU_FFRAC_MASK	0x1f
 58
 59#define CPLL_CFG0_SW_CFG		BIT(31)
 60#define CPLL_CFG0_PLL_MULT_RATIO_SHIFT	16
 61#define CPLL_CFG0_PLL_MULT_RATIO_MASK   0x7
 62#define CPLL_CFG0_LC_CURFCK		BIT(15)
 63#define CPLL_CFG0_BYPASS_REF_CLK	BIT(14)
 64#define CPLL_CFG0_PLL_DIV_RATIO_SHIFT	10
 65#define CPLL_CFG0_PLL_DIV_RATIO_MASK	0x3
 66
 67#define CPLL_CFG1_CPU_AUX1		BIT(25)
 68#define CPLL_CFG1_CPU_AUX0		BIT(24)
 69
 70#define SYSCFG0_DRAM_TYPE_MASK		0x3
 71#define SYSCFG0_DRAM_TYPE_SHIFT		4
 72#define SYSCFG0_DRAM_TYPE_SDRAM		0
 73#define SYSCFG0_DRAM_TYPE_DDR1		1
 74#define SYSCFG0_DRAM_TYPE_DDR2		2
 75
 76#define SYSCFG0_DRAM_TYPE_DDR2_MT7628	0
 77#define SYSCFG0_DRAM_TYPE_DDR1_MT7628	1
 78
 79#define MT7620_DRAM_BASE		0x0
 80#define MT7620_SDRAM_SIZE_MIN		2
 81#define MT7620_SDRAM_SIZE_MAX		64
 82#define MT7620_DDR1_SIZE_MIN		32
 83#define MT7620_DDR1_SIZE_MAX		128
 84#define MT7620_DDR2_SIZE_MIN		32
 85#define MT7620_DDR2_SIZE_MAX		256
 86
 87#define MT7620_GPIO_MODE_UART0_SHIFT	2
 88#define MT7620_GPIO_MODE_UART0_MASK	0x7
 89#define MT7620_GPIO_MODE_UART0(x)	((x) << MT7620_GPIO_MODE_UART0_SHIFT)
 90#define MT7620_GPIO_MODE_UARTF		0x0
 91#define MT7620_GPIO_MODE_PCM_UARTF	0x1
 92#define MT7620_GPIO_MODE_PCM_I2S	0x2
 93#define MT7620_GPIO_MODE_I2S_UARTF	0x3
 94#define MT7620_GPIO_MODE_PCM_GPIO	0x4
 95#define MT7620_GPIO_MODE_GPIO_UARTF	0x5
 96#define MT7620_GPIO_MODE_GPIO_I2S	0x6
 97#define MT7620_GPIO_MODE_GPIO		0x7
 98
 99#define MT7620_GPIO_MODE_NAND		0
100#define MT7620_GPIO_MODE_SD		1
101#define MT7620_GPIO_MODE_ND_SD_GPIO	2
102#define MT7620_GPIO_MODE_ND_SD_MASK	0x3
103#define MT7620_GPIO_MODE_ND_SD_SHIFT	18
104
105#define MT7620_GPIO_MODE_PCIE_RST	0
106#define MT7620_GPIO_MODE_PCIE_REF	1
107#define MT7620_GPIO_MODE_PCIE_GPIO	2
108#define MT7620_GPIO_MODE_PCIE_MASK	0x3
109#define MT7620_GPIO_MODE_PCIE_SHIFT	16
110
111#define MT7620_GPIO_MODE_WDT_RST	0
112#define MT7620_GPIO_MODE_WDT_REF	1
113#define MT7620_GPIO_MODE_WDT_GPIO	2
114#define MT7620_GPIO_MODE_WDT_MASK	0x3
115#define MT7620_GPIO_MODE_WDT_SHIFT	21
116
117#define MT7620_GPIO_MODE_I2C		0
118#define MT7620_GPIO_MODE_UART1		5
119#define MT7620_GPIO_MODE_MDIO		8
120#define MT7620_GPIO_MODE_RGMII1		9
121#define MT7620_GPIO_MODE_RGMII2		10
122#define MT7620_GPIO_MODE_SPI		11
123#define MT7620_GPIO_MODE_SPI_REF_CLK	12
124#define MT7620_GPIO_MODE_WLED		13
125#define MT7620_GPIO_MODE_JTAG		15
126#define MT7620_GPIO_MODE_EPHY		15
127#define MT7620_GPIO_MODE_PA		20
128
129static inline int mt7620_get_eco(void)
130{
131	return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK;
132}
133
134#endif