1 /*
2  *  Atheros AR71XX/AR724X/AR913X SoC register definitions
3  *
4  *  Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
5  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
6  *
7  *  Parts of this file are based on Atheros' 2.6.15 BSP
8  *
9  *  This program is free software; you can redistribute it and/or modify it
10  *  under the terms of the GNU General Public License version 2 as published
11  *  by the Free Software Foundation.
12  */
13 
14 #ifndef __ASM_MACH_AR71XX_REGS_H
15 #define __ASM_MACH_AR71XX_REGS_H
16 
17 #include <linux/types.h>
18 #include <linux/init.h>
19 #include <linux/io.h>
20 #include <linux/bitops.h>
21 
22 #define AR71XX_APB_BASE		0x18000000
23 #define AR71XX_SPI_BASE		0x1f000000
24 #define AR71XX_SPI_SIZE		0x01000000
25 
26 #define AR71XX_DDR_CTRL_BASE	(AR71XX_APB_BASE + 0x00000000)
27 #define AR71XX_DDR_CTRL_SIZE	0x100
28 #define AR71XX_UART_BASE	(AR71XX_APB_BASE + 0x00020000)
29 #define AR71XX_UART_SIZE	0x100
30 #define AR71XX_GPIO_BASE        (AR71XX_APB_BASE + 0x00040000)
31 #define AR71XX_GPIO_SIZE        0x100
32 #define AR71XX_PLL_BASE		(AR71XX_APB_BASE + 0x00050000)
33 #define AR71XX_PLL_SIZE		0x100
34 #define AR71XX_RESET_BASE	(AR71XX_APB_BASE + 0x00060000)
35 #define AR71XX_RESET_SIZE	0x100
36 
37 #define AR913X_WMAC_BASE	(AR71XX_APB_BASE + 0x000C0000)
38 #define AR913X_WMAC_SIZE	0x30000
39 
40 /*
41  * DDR_CTRL block
42  */
43 #define AR71XX_DDR_REG_PCI_WIN0		0x7c
44 #define AR71XX_DDR_REG_PCI_WIN1		0x80
45 #define AR71XX_DDR_REG_PCI_WIN2		0x84
46 #define AR71XX_DDR_REG_PCI_WIN3		0x88
47 #define AR71XX_DDR_REG_PCI_WIN4		0x8c
48 #define AR71XX_DDR_REG_PCI_WIN5		0x90
49 #define AR71XX_DDR_REG_PCI_WIN6		0x94
50 #define AR71XX_DDR_REG_PCI_WIN7		0x98
51 #define AR71XX_DDR_REG_FLUSH_GE0	0x9c
52 #define AR71XX_DDR_REG_FLUSH_GE1	0xa0
53 #define AR71XX_DDR_REG_FLUSH_USB	0xa4
54 #define AR71XX_DDR_REG_FLUSH_PCI	0xa8
55 
56 #define AR724X_DDR_REG_FLUSH_GE0	0x7c
57 #define AR724X_DDR_REG_FLUSH_GE1	0x80
58 #define AR724X_DDR_REG_FLUSH_USB	0x84
59 #define AR724X_DDR_REG_FLUSH_PCIE	0x88
60 
61 #define AR913X_DDR_REG_FLUSH_GE0	0x7c
62 #define AR913X_DDR_REG_FLUSH_GE1	0x80
63 #define AR913X_DDR_REG_FLUSH_USB	0x84
64 #define AR913X_DDR_REG_FLUSH_WMAC	0x88
65 
66 /*
67  * PLL block
68  */
69 #define AR71XX_PLL_REG_CPU_CONFIG	0x00
70 #define AR71XX_PLL_REG_SEC_CONFIG	0x04
71 #define AR71XX_PLL_REG_ETH0_INT_CLOCK	0x10
72 #define AR71XX_PLL_REG_ETH1_INT_CLOCK	0x14
73 
74 #define AR71XX_PLL_DIV_SHIFT		3
75 #define AR71XX_PLL_DIV_MASK		0x1f
76 #define AR71XX_CPU_DIV_SHIFT		16
77 #define AR71XX_CPU_DIV_MASK		0x3
78 #define AR71XX_DDR_DIV_SHIFT		18
79 #define AR71XX_DDR_DIV_MASK		0x3
80 #define AR71XX_AHB_DIV_SHIFT		20
81 #define AR71XX_AHB_DIV_MASK		0x7
82 
83 #define AR724X_PLL_REG_CPU_CONFIG	0x00
84 #define AR724X_PLL_REG_PCIE_CONFIG	0x18
85 
86 #define AR724X_PLL_DIV_SHIFT		0
87 #define AR724X_PLL_DIV_MASK		0x3ff
88 #define AR724X_PLL_REF_DIV_SHIFT	10
89 #define AR724X_PLL_REF_DIV_MASK		0xf
90 #define AR724X_AHB_DIV_SHIFT		19
91 #define AR724X_AHB_DIV_MASK		0x1
92 #define AR724X_DDR_DIV_SHIFT		22
93 #define AR724X_DDR_DIV_MASK		0x3
94 
95 #define AR913X_PLL_REG_CPU_CONFIG	0x00
96 #define AR913X_PLL_REG_ETH_CONFIG	0x04
97 #define AR913X_PLL_REG_ETH0_INT_CLOCK	0x14
98 #define AR913X_PLL_REG_ETH1_INT_CLOCK	0x18
99 
100 #define AR913X_PLL_DIV_SHIFT		0
101 #define AR913X_PLL_DIV_MASK		0x3ff
102 #define AR913X_DDR_DIV_SHIFT		22
103 #define AR913X_DDR_DIV_MASK		0x3
104 #define AR913X_AHB_DIV_SHIFT		19
105 #define AR913X_AHB_DIV_MASK		0x1
106 
107 /*
108  * RESET block
109  */
110 #define AR71XX_RESET_REG_TIMER			0x00
111 #define AR71XX_RESET_REG_TIMER_RELOAD		0x04
112 #define AR71XX_RESET_REG_WDOG_CTRL		0x08
113 #define AR71XX_RESET_REG_WDOG			0x0c
114 #define AR71XX_RESET_REG_MISC_INT_STATUS	0x10
115 #define AR71XX_RESET_REG_MISC_INT_ENABLE	0x14
116 #define AR71XX_RESET_REG_PCI_INT_STATUS		0x18
117 #define AR71XX_RESET_REG_PCI_INT_ENABLE		0x1c
118 #define AR71XX_RESET_REG_GLOBAL_INT_STATUS	0x20
119 #define AR71XX_RESET_REG_RESET_MODULE		0x24
120 #define AR71XX_RESET_REG_PERFC_CTRL		0x2c
121 #define AR71XX_RESET_REG_PERFC0			0x30
122 #define AR71XX_RESET_REG_PERFC1			0x34
123 #define AR71XX_RESET_REG_REV_ID			0x90
124 
125 #define AR913X_RESET_REG_GLOBAL_INT_STATUS	0x18
126 #define AR913X_RESET_REG_RESET_MODULE		0x1c
127 #define AR913X_RESET_REG_PERF_CTRL		0x20
128 #define AR913X_RESET_REG_PERFC0			0x24
129 #define AR913X_RESET_REG_PERFC1			0x28
130 
131 #define AR724X_RESET_REG_RESET_MODULE		0x1c
132 
133 #define MISC_INT_DMA			BIT(7)
134 #define MISC_INT_OHCI			BIT(6)
135 #define MISC_INT_PERFC			BIT(5)
136 #define MISC_INT_WDOG			BIT(4)
137 #define MISC_INT_UART			BIT(3)
138 #define MISC_INT_GPIO			BIT(2)
139 #define MISC_INT_ERROR			BIT(1)
140 #define MISC_INT_TIMER			BIT(0)
141 
142 #define AR71XX_RESET_EXTERNAL		BIT(28)
143 #define AR71XX_RESET_FULL_CHIP		BIT(24)
144 #define AR71XX_RESET_CPU_NMI		BIT(21)
145 #define AR71XX_RESET_CPU_COLD		BIT(20)
146 #define AR71XX_RESET_DMA		BIT(19)
147 #define AR71XX_RESET_SLIC		BIT(18)
148 #define AR71XX_RESET_STEREO		BIT(17)
149 #define AR71XX_RESET_DDR		BIT(16)
150 #define AR71XX_RESET_GE1_MAC		BIT(13)
151 #define AR71XX_RESET_GE1_PHY		BIT(12)
152 #define AR71XX_RESET_USBSUS_OVERRIDE	BIT(10)
153 #define AR71XX_RESET_GE0_MAC		BIT(9)
154 #define AR71XX_RESET_GE0_PHY		BIT(8)
155 #define AR71XX_RESET_USB_OHCI_DLL	BIT(6)
156 #define AR71XX_RESET_USB_HOST		BIT(5)
157 #define AR71XX_RESET_USB_PHY		BIT(4)
158 #define AR71XX_RESET_PCI_BUS		BIT(1)
159 #define AR71XX_RESET_PCI_CORE		BIT(0)
160 
161 #define AR724X_RESET_GE1_MDIO		BIT(23)
162 #define AR724X_RESET_GE0_MDIO		BIT(22)
163 #define AR724X_RESET_PCIE_PHY_SERIAL	BIT(10)
164 #define AR724X_RESET_PCIE_PHY		BIT(7)
165 #define AR724X_RESET_PCIE		BIT(6)
166 #define AR724X_RESET_OHCI_DLL		BIT(3)
167 
168 #define AR913X_RESET_AMBA2WMAC		BIT(22)
169 
170 #define REV_ID_MAJOR_MASK		0xfff0
171 #define REV_ID_MAJOR_AR71XX		0x00a0
172 #define REV_ID_MAJOR_AR913X		0x00b0
173 #define REV_ID_MAJOR_AR7240		0x00c0
174 #define REV_ID_MAJOR_AR7241		0x0100
175 #define REV_ID_MAJOR_AR7242		0x1100
176 
177 #define AR71XX_REV_ID_MINOR_MASK	0x3
178 #define AR71XX_REV_ID_MINOR_AR7130	0x0
179 #define AR71XX_REV_ID_MINOR_AR7141	0x1
180 #define AR71XX_REV_ID_MINOR_AR7161	0x2
181 #define AR71XX_REV_ID_REVISION_MASK	0x3
182 #define AR71XX_REV_ID_REVISION_SHIFT	2
183 
184 #define AR913X_REV_ID_MINOR_MASK	0x3
185 #define AR913X_REV_ID_MINOR_AR9130	0x0
186 #define AR913X_REV_ID_MINOR_AR9132	0x1
187 #define AR913X_REV_ID_REVISION_MASK	0x3
188 #define AR913X_REV_ID_REVISION_SHIFT	2
189 
190 #define AR724X_REV_ID_REVISION_MASK	0x3
191 
192 /*
193  * SPI block
194  */
195 #define AR71XX_SPI_REG_FS	0x00	/* Function Select */
196 #define AR71XX_SPI_REG_CTRL	0x04	/* SPI Control */
197 #define AR71XX_SPI_REG_IOC	0x08	/* SPI I/O Control */
198 #define AR71XX_SPI_REG_RDS	0x0c	/* Read Data Shift */
199 
200 #define AR71XX_SPI_FS_GPIO	BIT(0)	/* Enable GPIO mode */
201 
202 #define AR71XX_SPI_CTRL_RD	BIT(6)	/* Remap Disable */
203 #define AR71XX_SPI_CTRL_DIV_MASK 0x3f
204 
205 #define AR71XX_SPI_IOC_DO	BIT(0)	/* Data Out pin */
206 #define AR71XX_SPI_IOC_CLK	BIT(8)	/* CLK pin */
207 #define AR71XX_SPI_IOC_CS(n)	BIT(16 + (n))
208 #define AR71XX_SPI_IOC_CS0	AR71XX_SPI_IOC_CS(0)
209 #define AR71XX_SPI_IOC_CS1	AR71XX_SPI_IOC_CS(1)
210 #define AR71XX_SPI_IOC_CS2	AR71XX_SPI_IOC_CS(2)
211 #define AR71XX_SPI_IOC_CS_ALL	(AR71XX_SPI_IOC_CS0 | AR71XX_SPI_IOC_CS1 | \
212 				 AR71XX_SPI_IOC_CS2)
213 
214 /*
215  * GPIO block
216  */
217 #define AR71XX_GPIO_REG_OE		0x00
218 #define AR71XX_GPIO_REG_IN		0x04
219 #define AR71XX_GPIO_REG_OUT		0x08
220 #define AR71XX_GPIO_REG_SET		0x0c
221 #define AR71XX_GPIO_REG_CLEAR		0x10
222 #define AR71XX_GPIO_REG_INT_MODE	0x14
223 #define AR71XX_GPIO_REG_INT_TYPE	0x18
224 #define AR71XX_GPIO_REG_INT_POLARITY	0x1c
225 #define AR71XX_GPIO_REG_INT_PENDING	0x20
226 #define AR71XX_GPIO_REG_INT_ENABLE	0x24
227 #define AR71XX_GPIO_REG_FUNC		0x28
228 
229 #define AR71XX_GPIO_COUNT		16
230 #define AR724X_GPIO_COUNT		18
231 #define AR913X_GPIO_COUNT		22
232 
233 #endif /* __ASM_MACH_AR71XX_REGS_H */
234