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_CHIP_REV		0x0c
21 #define SYSC_REG_SYSTEM_CONFIG0		0x10
22 #define SYSC_REG_SYSTEM_CONFIG1		0x14
23 #define SYSC_REG_CLKCFG0		0x2c
24 #define SYSC_REG_CPU_SYS_CLKCFG		0x3c
25 #define SYSC_REG_CPLL_CONFIG0		0x54
26 #define SYSC_REG_CPLL_CONFIG1		0x58
27 
28 #define MT7620N_CHIP_NAME0		0x33365452
29 #define MT7620N_CHIP_NAME1		0x20203235
30 
31 #define MT7620A_CHIP_NAME0		0x3637544d
32 #define MT7620A_CHIP_NAME1		0x20203032
33 
34 #define SYSCFG0_XTAL_FREQ_SEL		BIT(6)
35 
36 #define CHIP_REV_PKG_MASK		0x1
37 #define CHIP_REV_PKG_SHIFT		16
38 #define CHIP_REV_VER_MASK		0xf
39 #define CHIP_REV_VER_SHIFT		8
40 #define CHIP_REV_ECO_MASK		0xf
41 
42 #define CLKCFG0_PERI_CLK_SEL		BIT(4)
43 
44 #define CPU_SYS_CLKCFG_OCP_RATIO_SHIFT	16
45 #define CPU_SYS_CLKCFG_OCP_RATIO_MASK	0xf
46 #define CPU_SYS_CLKCFG_OCP_RATIO_1	0	/* 1:1   (Reserved) */
47 #define CPU_SYS_CLKCFG_OCP_RATIO_1_5	1	/* 1:1.5 (Reserved) */
48 #define CPU_SYS_CLKCFG_OCP_RATIO_2	2	/* 1:2   */
49 #define CPU_SYS_CLKCFG_OCP_RATIO_2_5	3       /* 1:2.5 (Reserved) */
50 #define CPU_SYS_CLKCFG_OCP_RATIO_3	4	/* 1:3   */
51 #define CPU_SYS_CLKCFG_OCP_RATIO_3_5	5	/* 1:3.5 (Reserved) */
52 #define CPU_SYS_CLKCFG_OCP_RATIO_4	6	/* 1:4   */
53 #define CPU_SYS_CLKCFG_OCP_RATIO_5	7	/* 1:5   */
54 #define CPU_SYS_CLKCFG_OCP_RATIO_10	8	/* 1:10  */
55 #define CPU_SYS_CLKCFG_CPU_FDIV_SHIFT	8
56 #define CPU_SYS_CLKCFG_CPU_FDIV_MASK	0x1f
57 #define CPU_SYS_CLKCFG_CPU_FFRAC_SHIFT	0
58 #define CPU_SYS_CLKCFG_CPU_FFRAC_MASK	0x1f
59 
60 #define CPLL_CFG0_SW_CFG		BIT(31)
61 #define CPLL_CFG0_PLL_MULT_RATIO_SHIFT	16
62 #define CPLL_CFG0_PLL_MULT_RATIO_MASK   0x7
63 #define CPLL_CFG0_LC_CURFCK		BIT(15)
64 #define CPLL_CFG0_BYPASS_REF_CLK	BIT(14)
65 #define CPLL_CFG0_PLL_DIV_RATIO_SHIFT	10
66 #define CPLL_CFG0_PLL_DIV_RATIO_MASK	0x3
67 
68 #define CPLL_CFG1_CPU_AUX1		BIT(25)
69 #define CPLL_CFG1_CPU_AUX0		BIT(24)
70 
71 #define SYSCFG0_DRAM_TYPE_MASK		0x3
72 #define SYSCFG0_DRAM_TYPE_SHIFT		4
73 #define SYSCFG0_DRAM_TYPE_SDRAM		0
74 #define SYSCFG0_DRAM_TYPE_DDR1		1
75 #define SYSCFG0_DRAM_TYPE_DDR2		2
76 
77 #define MT7620_DRAM_BASE		0x0
78 #define MT7620_SDRAM_SIZE_MIN		2
79 #define MT7620_SDRAM_SIZE_MAX		64
80 #define MT7620_DDR1_SIZE_MIN		32
81 #define MT7620_DDR1_SIZE_MAX		128
82 #define MT7620_DDR2_SIZE_MIN		32
83 #define MT7620_DDR2_SIZE_MAX		256
84 
85 #define MT7620_GPIO_MODE_I2C		BIT(0)
86 #define MT7620_GPIO_MODE_UART0_SHIFT	2
87 #define MT7620_GPIO_MODE_UART0_MASK	0x7
88 #define MT7620_GPIO_MODE_UART0(x)	((x) << MT7620_GPIO_MODE_UART0_SHIFT)
89 #define MT7620_GPIO_MODE_UARTF		0x0
90 #define MT7620_GPIO_MODE_PCM_UARTF	0x1
91 #define MT7620_GPIO_MODE_PCM_I2S	0x2
92 #define MT7620_GPIO_MODE_I2S_UARTF	0x3
93 #define MT7620_GPIO_MODE_PCM_GPIO	0x4
94 #define MT7620_GPIO_MODE_GPIO_UARTF	0x5
95 #define MT7620_GPIO_MODE_GPIO_I2S	0x6
96 #define MT7620_GPIO_MODE_GPIO		0x7
97 #define MT7620_GPIO_MODE_UART1		BIT(5)
98 #define MT7620_GPIO_MODE_MDIO		BIT(8)
99 #define MT7620_GPIO_MODE_RGMII1		BIT(9)
100 #define MT7620_GPIO_MODE_RGMII2		BIT(10)
101 #define MT7620_GPIO_MODE_SPI		BIT(11)
102 #define MT7620_GPIO_MODE_SPI_REF_CLK	BIT(12)
103 #define MT7620_GPIO_MODE_WLED		BIT(13)
104 #define MT7620_GPIO_MODE_JTAG		BIT(15)
105 #define MT7620_GPIO_MODE_EPHY		BIT(15)
106 #define MT7620_GPIO_MODE_WDT		BIT(22)
107 
108 #endif
109