2 * include/asm-arm/arch-ixp23xx/ixp23xx.h
4 * Register definitions for IXP23XX
6 * Copyright (C) 2003-2005 Intel Corporation.
7 * Copyright (C) 2005 MontaVista Software, Inc.
9 * Maintainer: Deepak Saxena <dsaxena@plexity.net>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
16 #ifndef __ASM_ARCH_IXP23XX_H
17 #define __ASM_ARCH_IXP23XX_H
20 * IXP2300 linux memory map:
23 * fffd0000 a0000000 64K XSI2CPP_CSR
24 * fffc0000 c4000000 4K EXP_CFG
25 * fff00000 c8000000 64K PERIPHERAL
26 * fe000000 1c0000000 16M CAP_CSR
27 * fd000000 1c8000000 16M MSF_CSR
29 * fa000000 1d8000000 32M PCI_IO
30 * f8000000 1da000000 32M PCI_CFG
31 * f6000000 1de000000 32M PCI_CREG
33 * f0000000 1e0000000 64M PCI_MEM
34 * e[c-f]000000 per-platform mappings
38 /****************************************************************************
40 ****************************************************************************/
41 #define IXP23XX_XSI2CPP_CSR_PHYS 0xa0000000
42 #define IXP23XX_XSI2CPP_CSR_VIRT 0xfffd0000
43 #define IXP23XX_XSI2CPP_CSR_SIZE 0x00010000
45 #define IXP23XX_EXP_CFG_PHYS 0xc4000000
46 #define IXP23XX_EXP_CFG_VIRT 0xfffc0000
47 #define IXP23XX_EXP_CFG_SIZE 0x00001000
49 #define IXP23XX_PERIPHERAL_PHYS 0xc8000000
50 #define IXP23XX_PERIPHERAL_VIRT 0xfff00000
51 #define IXP23XX_PERIPHERAL_SIZE 0x00010000
53 #define IXP23XX_CAP_CSR_PHYS 0x1c0000000ULL
54 #define IXP23XX_CAP_CSR_VIRT 0xfe000000
55 #define IXP23XX_CAP_CSR_SIZE 0x01000000
57 #define IXP23XX_MSF_CSR_PHYS 0x1c8000000ULL
58 #define IXP23XX_MSF_CSR_VIRT 0xfd000000
59 #define IXP23XX_MSF_CSR_SIZE 0x01000000
61 #define IXP23XX_PCI_IO_PHYS 0x1d8000000ULL
62 #define IXP23XX_PCI_IO_VIRT 0xfa000000
63 #define IXP23XX_PCI_IO_SIZE 0x02000000
65 #define IXP23XX_PCI_CFG_PHYS 0x1da000000ULL
66 #define IXP23XX_PCI_CFG_VIRT 0xf8000000
67 #define IXP23XX_PCI_CFG_SIZE 0x02000000
68 #define IXP23XX_PCI_CFG0_VIRT IXP23XX_PCI_CFG_VIRT
69 #define IXP23XX_PCI_CFG1_VIRT (IXP23XX_PCI_CFG_VIRT + 0x01000000)
71 #define IXP23XX_PCI_CREG_PHYS 0x1de000000ULL
72 #define IXP23XX_PCI_CREG_VIRT 0xf6000000
73 #define IXP23XX_PCI_CREG_SIZE 0x02000000
74 #define IXP23XX_PCI_CSR_VIRT (IXP23XX_PCI_CREG_VIRT + 0x01000000)
76 #define IXP23XX_PCI_MEM_START 0xe0000000
77 #define IXP23XX_PCI_MEM_PHYS 0x1e0000000ULL
78 #define IXP23XX_PCI_MEM_VIRT 0xf0000000
79 #define IXP23XX_PCI_MEM_SIZE 0x04000000
82 /****************************************************************************
84 ****************************************************************************/
85 #define IXP23XX_XSI2CPP_REG(x) ((volatile unsigned long *)(IXP23XX_XSI2CPP_CSR_VIRT + (x)))
86 #define IXP23XX_CPP2XSI_CURR_XFER_REG3 IXP23XX_XSI2CPP_REG(0xf8)
87 #define IXP23XX_CPP2XSI_ADDR_31 (1 << 19)
88 #define IXP23XX_CPP2XSI_PSH_OFF (1 << 20)
89 #define IXP23XX_CPP2XSI_COH_OFF (1 << 21)
92 /****************************************************************************
93 * Expansion Bus Config.
94 ****************************************************************************/
95 #define IXP23XX_EXP_CFG_REG(x) ((volatile unsigned long *)(IXP23XX_EXP_CFG_VIRT + (x)))
96 #define IXP23XX_EXP_CS0 IXP23XX_EXP_CFG_REG(0x00)
97 #define IXP23XX_EXP_CS1 IXP23XX_EXP_CFG_REG(0x04)
98 #define IXP23XX_EXP_CS2 IXP23XX_EXP_CFG_REG(0x08)
99 #define IXP23XX_EXP_CS3 IXP23XX_EXP_CFG_REG(0x0c)
100 #define IXP23XX_EXP_CS4 IXP23XX_EXP_CFG_REG(0x10)
101 #define IXP23XX_EXP_CS5 IXP23XX_EXP_CFG_REG(0x14)
102 #define IXP23XX_EXP_CS6 IXP23XX_EXP_CFG_REG(0x18)
103 #define IXP23XX_EXP_CS7 IXP23XX_EXP_CFG_REG(0x1c)
104 #define IXP23XX_FLASH_WRITABLE (0x2)
105 #define IXP23XX_FLASH_BUS8 (0x1)
107 #define IXP23XX_EXP_CFG0 IXP23XX_EXP_CFG_REG(0x20)
108 #define IXP23XX_EXP_CFG1 IXP23XX_EXP_CFG_REG(0x24)
109 #define IXP23XX_EXP_CFG0_MEM_MAP (1 << 31)
110 #define IXP23XX_EXP_CFG0_XSCALE_SPEED_SEL (3 << 22)
111 #define IXP23XX_EXP_CFG0_XSCALE_SPEED_EN (1 << 21)
112 #define IXP23XX_EXP_CFG0_CPP_SPEED_SEL (3 << 19)
113 #define IXP23XX_EXP_CFG0_CPP_SPEED_EN (1 << 18)
114 #define IXP23XX_EXP_CFG0_PCI_SWIN (3 << 16)
115 #define IXP23XX_EXP_CFG0_PCI_DWIN (3 << 14)
116 #define IXP23XX_EXP_CFG0_PCI33_MODE (1 << 13)
117 #define IXP23XX_EXP_CFG0_QDR_SPEED_SEL (1 << 12)
118 #define IXP23XX_EXP_CFG0_CPP_DIV_SEL (1 << 5)
119 #define IXP23XX_EXP_CFG0_XSI_NOT_PRES (1 << 4)
120 #define IXP23XX_EXP_CFG0_PROM_BOOT (1 << 3)
121 #define IXP23XX_EXP_CFG0_PCI_ARB (1 << 2)
122 #define IXP23XX_EXP_CFG0_PCI_HOST (1 << 1)
123 #define IXP23XX_EXP_CFG0_FLASH_WIDTH (1 << 0)
125 #define IXP23XX_EXP_UNIT_FUSE IXP23XX_EXP_CFG_REG(0x28)
126 #define IXP23XX_EXP_MSF_MUX IXP23XX_EXP_CFG_REG(0x30)
127 #define IXP23XX_EXP_CFG_FUSE IXP23XX_EXP_CFG_REG(0x34)
129 #define IXP23XX_EXP_BUS_PHYS 0x90000000
130 #define IXP23XX_EXP_BUS_WINDOW_SIZE 0x01000000
132 #define IXP23XX_EXP_BUS_CS0_BASE (IXP23XX_EXP_BUS_PHYS + 0x00000000)
133 #define IXP23XX_EXP_BUS_CS1_BASE (IXP23XX_EXP_BUS_PHYS + 0x01000000)
134 #define IXP23XX_EXP_BUS_CS2_BASE (IXP23XX_EXP_BUS_PHYS + 0x02000000)
135 #define IXP23XX_EXP_BUS_CS3_BASE (IXP23XX_EXP_BUS_PHYS + 0x03000000)
136 #define IXP23XX_EXP_BUS_CS4_BASE (IXP23XX_EXP_BUS_PHYS + 0x04000000)
137 #define IXP23XX_EXP_BUS_CS5_BASE (IXP23XX_EXP_BUS_PHYS + 0x05000000)
138 #define IXP23XX_EXP_BUS_CS6_BASE (IXP23XX_EXP_BUS_PHYS + 0x06000000)
139 #define IXP23XX_EXP_BUS_CS7_BASE (IXP23XX_EXP_BUS_PHYS + 0x07000000)
142 /****************************************************************************
144 ****************************************************************************/
145 #define IXP23XX_UART1_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x0000)
146 #define IXP23XX_UART2_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x1000)
147 #define IXP23XX_PMU_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x2000)
148 #define IXP23XX_INTC_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x3000)
149 #define IXP23XX_GPIO_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x4000)
150 #define IXP23XX_TIMER_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x5000)
151 #define IXP23XX_NPE0_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x6000)
152 #define IXP23XX_DSR_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x7000)
153 #define IXP23XX_NPE1_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x8000)
154 #define IXP23XX_ETH0_VIRT (IXP23XX_PERIPHERAL_VIRT + 0x9000)
155 #define IXP23XX_ETH1_VIRT (IXP23XX_PERIPHERAL_VIRT + 0xA000)
156 #define IXP23XX_GIG0_VIRT (IXP23XX_PERIPHERAL_VIRT + 0xB000)
157 #define IXP23XX_GIG1_VIRT (IXP23XX_PERIPHERAL_VIRT + 0xC000)
158 #define IXP23XX_DDRS_VIRT (IXP23XX_PERIPHERAL_VIRT + 0xD000)
160 #define IXP23XX_UART1_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x0000)
161 #define IXP23XX_UART2_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x1000)
162 #define IXP23XX_PMU_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x2000)
163 #define IXP23XX_INTC_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x3000)
164 #define IXP23XX_GPIO_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x4000)
165 #define IXP23XX_TIMER_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x5000)
166 #define IXP23XX_NPE0_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x6000)
167 #define IXP23XX_DSR_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x7000)
168 #define IXP23XX_NPE1_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x8000)
169 #define IXP23XX_ETH0_PHYS (IXP23XX_PERIPHERAL_PHYS + 0x9000)
170 #define IXP23XX_ETH1_PHYS (IXP23XX_PERIPHERAL_PHYS + 0xA000)
171 #define IXP23XX_GIG0_PHYS (IXP23XX_PERIPHERAL_PHYS + 0xB000)
172 #define IXP23XX_GIG1_PHYS (IXP23XX_PERIPHERAL_PHYS + 0xC000)
173 #define IXP23XX_DDRS_PHYS (IXP23XX_PERIPHERAL_PHYS + 0xD000)
176 /****************************************************************************
177 * Interrupt controller.
178 ****************************************************************************/
179 #define IXP23XX_INTC_REG(x) ((volatile unsigned long *)(IXP23XX_INTC_VIRT + (x)))
180 #define IXP23XX_INTR_ST1 IXP23XX_INTC_REG(0x00)
181 #define IXP23XX_INTR_ST2 IXP23XX_INTC_REG(0x04)
182 #define IXP23XX_INTR_ST3 IXP23XX_INTC_REG(0x08)
183 #define IXP23XX_INTR_ST4 IXP23XX_INTC_REG(0x0c)
184 #define IXP23XX_INTR_EN1 IXP23XX_INTC_REG(0x10)
185 #define IXP23XX_INTR_EN2 IXP23XX_INTC_REG(0x14)
186 #define IXP23XX_INTR_EN3 IXP23XX_INTC_REG(0x18)
187 #define IXP23XX_INTR_EN4 IXP23XX_INTC_REG(0x1c)
188 #define IXP23XX_INTR_SEL1 IXP23XX_INTC_REG(0x20)
189 #define IXP23XX_INTR_SEL2 IXP23XX_INTC_REG(0x24)
190 #define IXP23XX_INTR_SEL3 IXP23XX_INTC_REG(0x28)
191 #define IXP23XX_INTR_SEL4 IXP23XX_INTC_REG(0x2c)
192 #define IXP23XX_INTR_IRQ_ST1 IXP23XX_INTC_REG(0x30)
193 #define IXP23XX_INTR_IRQ_ST2 IXP23XX_INTC_REG(0x34)
194 #define IXP23XX_INTR_IRQ_ST3 IXP23XX_INTC_REG(0x38)
195 #define IXP23XX_INTR_IRQ_ST4 IXP23XX_INTC_REG(0x3c)
196 #define IXP23XX_INTR_IRQ_ENC_ST_OFFSET 0x54
199 /****************************************************************************
201 ****************************************************************************/
202 #define IXP23XX_GPIO_REG(x) ((volatile unsigned long *)(IXP23XX_GPIO_VIRT + (x)))
203 #define IXP23XX_GPIO_GPOUTR IXP23XX_GPIO_REG(0x00)
204 #define IXP23XX_GPIO_GPOER IXP23XX_GPIO_REG(0x04)
205 #define IXP23XX_GPIO_GPINR IXP23XX_GPIO_REG(0x08)
206 #define IXP23XX_GPIO_GPISR IXP23XX_GPIO_REG(0x0c)
207 #define IXP23XX_GPIO_GPIT1R IXP23XX_GPIO_REG(0x10)
208 #define IXP23XX_GPIO_GPIT2R IXP23XX_GPIO_REG(0x14)
209 #define IXP23XX_GPIO_GPCLKR IXP23XX_GPIO_REG(0x18)
210 #define IXP23XX_GPIO_GPDBSELR IXP23XX_GPIO_REG(0x1c)
212 #define IXP23XX_GPIO_STYLE_MASK 0x7
213 #define IXP23XX_GPIO_STYLE_ACTIVE_HIGH 0x0
214 #define IXP23XX_GPIO_STYLE_ACTIVE_LOW 0x1
215 #define IXP23XX_GPIO_STYLE_RISING_EDGE 0x2
216 #define IXP23XX_GPIO_STYLE_FALLING_EDGE 0x3
217 #define IXP23XX_GPIO_STYLE_TRANSITIONAL 0x4
219 #define IXP23XX_GPIO_STYLE_SIZE 3
222 /****************************************************************************
224 ****************************************************************************/
225 #define IXP23XX_TIMER_REG(x) ((volatile unsigned long *)(IXP23XX_TIMER_VIRT + (x)))
226 #define IXP23XX_TIMER_CONT IXP23XX_TIMER_REG(0x00)
227 #define IXP23XX_TIMER1_TIMESTAMP IXP23XX_TIMER_REG(0x04)
228 #define IXP23XX_TIMER1_RELOAD IXP23XX_TIMER_REG(0x08)
229 #define IXP23XX_TIMER2_TIMESTAMP IXP23XX_TIMER_REG(0x0c)
230 #define IXP23XX_TIMER2_RELOAD IXP23XX_TIMER_REG(0x10)
231 #define IXP23XX_TIMER_WDOG IXP23XX_TIMER_REG(0x14)
232 #define IXP23XX_TIMER_WDOG_EN IXP23XX_TIMER_REG(0x18)
233 #define IXP23XX_TIMER_WDOG_KEY IXP23XX_TIMER_REG(0x1c)
234 #define IXP23XX_TIMER_WDOG_KEY_MAGIC 0x482e
235 #define IXP23XX_TIMER_STATUS IXP23XX_TIMER_REG(0x20)
236 #define IXP23XX_TIMER_SOFT_RESET IXP23XX_TIMER_REG(0x24)
237 #define IXP23XX_TIMER_SOFT_RESET_EN IXP23XX_TIMER_REG(0x28)
239 #define IXP23XX_TIMER_ENABLE (1 << 0)
240 #define IXP23XX_TIMER_ONE_SHOT (1 << 1)
241 /* Low order bits of reload value ignored */
242 #define IXP23XX_TIMER_RELOAD_MASK (0x3)
243 #define IXP23XX_TIMER_DISABLED (0x0)
244 #define IXP23XX_TIMER1_INT_PEND (1 << 0)
245 #define IXP23XX_TIMER2_INT_PEND (1 << 1)
246 #define IXP23XX_TIMER_STATUS_TS_PEND (1 << 2)
247 #define IXP23XX_TIMER_STATUS_WDOG_PEND (1 << 3)
248 #define IXP23XX_TIMER_STATUS_WARM_RESET (1 << 4)
251 /****************************************************************************
253 ****************************************************************************/
254 #define IXP23XX_GLOBAL_REG(x) ((volatile unsigned long *)(IXP23XX_CAP_CSR_VIRT + 0x4a00 + (x)))
255 #define IXP23XX_PRODUCT_ID IXP23XX_GLOBAL_REG(0x00)
256 #define IXP23XX_MISC_CONTROL IXP23XX_GLOBAL_REG(0x04)
257 #define IXP23XX_MSF_CLK_CNTRL IXP23XX_GLOBAL_REG(0x08)
258 #define IXP23XX_RESET0 IXP23XX_GLOBAL_REG(0x0c)
259 #define IXP23XX_RESET1 IXP23XX_GLOBAL_REG(0x10)
260 #define IXP23XX_STRAP_OPTIONS IXP23XX_GLOBAL_REG(0x18)
262 #define IXP23XX_ENABLE_WATCHDOG (1 << 24)
263 #define IXP23XX_SHPC_INIT_COMP (1 << 21)
264 #define IXP23XX_RST_ALL (1 << 16)
265 #define IXP23XX_RESET_PCI (1 << 2)
266 #define IXP23XX_PCI_UNIT_RESET (1 << 1)
267 #define IXP23XX_XSCALE_RESET (1 << 0)
269 #define IXP23XX_UENGINE_CSR_VIRT_BASE (IXP23XX_CAP_CSR_VIRT + 0x18000)
272 /****************************************************************************
274 ****************************************************************************/
275 #define IXP23XX_PCI_CREG(x) ((volatile unsigned long *)(IXP23XX_PCI_CREG_VIRT + (x)))
276 #define IXP23XX_PCI_CMDSTAT IXP23XX_PCI_CREG(0x04)
277 #define IXP23XX_PCI_SRAM_BAR IXP23XX_PCI_CREG(0x14)
278 #define IXP23XX_PCI_SDRAM_BAR IXP23XX_PCI_CREG(0x18)
281 #define IXP23XX_PCI_CSR(x) ((volatile unsigned long *)(IXP23XX_PCI_CREG_VIRT + 0x01000000 + (x)))
282 #define IXP23XX_PCI_OUT_INT_STATUS IXP23XX_PCI_CSR(0x0030)
283 #define IXP23XX_PCI_OUT_INT_MASK IXP23XX_PCI_CSR(0x0034)
284 #define IXP23XX_PCI_SRAM_BASE_ADDR_MASK IXP23XX_PCI_CSR(0x00fc)
285 #define IXP23XX_PCI_DRAM_BASE_ADDR_MASK IXP23XX_PCI_CSR(0x0100)
286 #define IXP23XX_PCI_CONTROL IXP23XX_PCI_CSR(0x013c)
287 #define IXP23XX_PCI_ADDR_EXT IXP23XX_PCI_CSR(0x0140)
288 #define IXP23XX_PCI_ME_PUSH_STATUS IXP23XX_PCI_CSR(0x0148)
289 #define IXP23XX_PCI_ME_PUSH_EN IXP23XX_PCI_CSR(0x014c)
290 #define IXP23XX_PCI_ERR_STATUS IXP23XX_PCI_CSR(0x0150)
291 #define IXP23XX_PCI_ERROR_STATUS IXP23XX_PCI_CSR(0x0150)
292 #define IXP23XX_PCI_ERR_ENABLE IXP23XX_PCI_CSR(0x0154)
293 #define IXP23XX_PCI_XSCALE_INT_STATUS IXP23XX_PCI_CSR(0x0158)
294 #define IXP23XX_PCI_XSCALE_INT_ENABLE IXP23XX_PCI_CSR(0x015c)
295 #define IXP23XX_PCI_CPP_ADDR_BITS IXP23XX_PCI_CSR(0x0160)