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 _RT305X_REGS_H_
14#define _RT305X_REGS_H_
15
16enum rt305x_soc_type {
17	RT305X_SOC_UNKNOWN = 0,
18	RT305X_SOC_RT3050,
19	RT305X_SOC_RT3052,
20	RT305X_SOC_RT3350,
21	RT305X_SOC_RT3352,
22	RT305X_SOC_RT5350,
23};
24
25extern enum rt305x_soc_type rt305x_soc;
26
27static inline int soc_is_rt3050(void)
28{
29	return rt305x_soc == RT305X_SOC_RT3050;
30}
31
32static inline int soc_is_rt3052(void)
33{
34	return rt305x_soc == RT305X_SOC_RT3052;
35}
36
37static inline int soc_is_rt305x(void)
38{
39	return soc_is_rt3050() || soc_is_rt3052();
40}
41
42static inline int soc_is_rt3350(void)
43{
44	return rt305x_soc == RT305X_SOC_RT3350;
45}
46
47static inline int soc_is_rt3352(void)
48{
49	return rt305x_soc == RT305X_SOC_RT3352;
50}
51
52static inline int soc_is_rt5350(void)
53{
54	return rt305x_soc == RT305X_SOC_RT5350;
55}
56
57#define RT305X_SYSC_BASE		0x10000000
58
59#define SYSC_REG_CHIP_NAME0		0x00
60#define SYSC_REG_CHIP_NAME1		0x04
61#define SYSC_REG_CHIP_ID		0x0c
62#define SYSC_REG_SYSTEM_CONFIG		0x10
63
64#define RT3052_CHIP_NAME0		0x30335452
65#define RT3052_CHIP_NAME1		0x20203235
66
67#define RT3350_CHIP_NAME0		0x33335452
68#define RT3350_CHIP_NAME1		0x20203035
69
70#define RT3352_CHIP_NAME0		0x33335452
71#define RT3352_CHIP_NAME1		0x20203235
72
73#define RT5350_CHIP_NAME0		0x33355452
74#define RT5350_CHIP_NAME1		0x20203035
75
76#define CHIP_ID_ID_MASK			0xff
77#define CHIP_ID_ID_SHIFT		8
78#define CHIP_ID_REV_MASK		0xff
79
80#define RT305X_SYSCFG_CPUCLK_SHIFT		18
81#define RT305X_SYSCFG_CPUCLK_MASK		0x1
82#define RT305X_SYSCFG_CPUCLK_LOW		0x0
83#define RT305X_SYSCFG_CPUCLK_HIGH		0x1
84
85#define RT305X_SYSCFG_SRAM_CS0_MODE_SHIFT	2
86#define RT305X_SYSCFG_CPUCLK_MASK		0x1
87#define RT305X_SYSCFG_SRAM_CS0_MODE_WDT		0x1
88
89#define RT3352_SYSCFG0_CPUCLK_SHIFT	8
90#define RT3352_SYSCFG0_CPUCLK_MASK	0x1
91#define RT3352_SYSCFG0_CPUCLK_LOW	0x0
92#define RT3352_SYSCFG0_CPUCLK_HIGH	0x1
93
94#define RT5350_SYSCFG0_CPUCLK_SHIFT	8
95#define RT5350_SYSCFG0_CPUCLK_MASK	0x3
96#define RT5350_SYSCFG0_CPUCLK_360	0x0
97#define RT5350_SYSCFG0_CPUCLK_320	0x2
98#define RT5350_SYSCFG0_CPUCLK_300	0x3
99
100#define RT5350_SYSCFG0_DRAM_SIZE_SHIFT  12
101#define RT5350_SYSCFG0_DRAM_SIZE_MASK   7
102#define RT5350_SYSCFG0_DRAM_SIZE_2M     0
103#define RT5350_SYSCFG0_DRAM_SIZE_8M     1
104#define RT5350_SYSCFG0_DRAM_SIZE_16M    2
105#define RT5350_SYSCFG0_DRAM_SIZE_32M    3
106#define RT5350_SYSCFG0_DRAM_SIZE_64M    4
107
108/* multi function gpio pins */
109#define RT305X_GPIO_I2C_SD		1
110#define RT305X_GPIO_I2C_SCLK		2
111#define RT305X_GPIO_SPI_EN		3
112#define RT305X_GPIO_SPI_CLK		4
113/* GPIO 7-14 is shared between UART0, PCM  and I2S interfaces */
114#define RT305X_GPIO_7			7
115#define RT305X_GPIO_10			10
116#define RT305X_GPIO_14			14
117#define RT305X_GPIO_UART1_TXD		15
118#define RT305X_GPIO_UART1_RXD		16
119#define RT305X_GPIO_JTAG_TDO		17
120#define RT305X_GPIO_JTAG_TDI		18
121#define RT305X_GPIO_MDIO_MDC		22
122#define RT305X_GPIO_MDIO_MDIO		23
123#define RT305X_GPIO_SDRAM_MD16		24
124#define RT305X_GPIO_SDRAM_MD31		39
125#define RT305X_GPIO_GE0_TXD0		40
126#define RT305X_GPIO_GE0_RXCLK		51
127
128#define RT305X_GPIO_MODE_UART0_SHIFT	2
129#define RT305X_GPIO_MODE_UART0_MASK	0x7
130#define RT305X_GPIO_MODE_UART0(x)	((x) << RT305X_GPIO_MODE_UART0_SHIFT)
131#define RT305X_GPIO_MODE_UARTF		0
132#define RT305X_GPIO_MODE_PCM_UARTF	1
133#define RT305X_GPIO_MODE_PCM_I2S	2
134#define RT305X_GPIO_MODE_I2S_UARTF	3
135#define RT305X_GPIO_MODE_PCM_GPIO	4
136#define RT305X_GPIO_MODE_GPIO_UARTF	5
137#define RT305X_GPIO_MODE_GPIO_I2S	6
138#define RT305X_GPIO_MODE_GPIO		7
139
140#define RT305X_GPIO_MODE_I2C		0
141#define RT305X_GPIO_MODE_SPI		1
142#define RT305X_GPIO_MODE_UART1		5
143#define RT305X_GPIO_MODE_JTAG		6
144#define RT305X_GPIO_MODE_MDIO		7
145#define RT305X_GPIO_MODE_SDRAM		8
146#define RT305X_GPIO_MODE_RGMII		9
147#define RT5350_GPIO_MODE_PHY_LED	14
148#define RT5350_GPIO_MODE_SPI_CS1	21
149#define RT3352_GPIO_MODE_LNA		18
150#define RT3352_GPIO_MODE_PA		20
151
152#define RT3352_SYSC_REG_SYSCFG0		0x010
153#define RT3352_SYSC_REG_SYSCFG1         0x014
154#define RT3352_SYSC_REG_CLKCFG1         0x030
155#define RT3352_SYSC_REG_RSTCTRL         0x034
156#define RT3352_SYSC_REG_USB_PS          0x05c
157
158#define RT3352_CLKCFG0_XTAL_SEL		BIT(20)
159#define RT3352_CLKCFG1_UPHY0_CLK_EN	BIT(18)
160#define RT3352_CLKCFG1_UPHY1_CLK_EN	BIT(20)
161#define RT3352_RSTCTRL_UHST		BIT(22)
162#define RT3352_RSTCTRL_UDEV		BIT(25)
163#define RT3352_SYSCFG1_USB0_HOST_MODE	BIT(10)
164
165#define RT305X_SDRAM_BASE		0x00000000
166#define RT305X_MEM_SIZE_MIN		2
167#define RT305X_MEM_SIZE_MAX		64
168#define RT3352_MEM_SIZE_MIN		2
169#define RT3352_MEM_SIZE_MAX		256
170
171#endif
172