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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 /*
  2  * arch/arm/mach-ixp23xx/include/mach/ixp23xx.h
  3  *
  4  * Register definitions for IXP23XX
  5  *
  6  * Copyright (C) 2003-2005 Intel Corporation.
  7  * Copyright (C) 2005 MontaVista Software, Inc.
  8  *
  9  * Maintainer: Deepak Saxena <dsaxena@plexity.net>
 10  *
 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.
 14  */
 15 
 16 #ifndef __ASM_ARCH_IXP23XX_H
 17 #define __ASM_ARCH_IXP23XX_H
 18 
 19 /*
 20  * IXP2300 linux memory map:
 21  *
 22  * virt         phys            size
 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
 28  * fb000000                     16M             ---
 29  * fa000000     1d8000000       32M             PCI_IO
 30  * f8000000     1da000000       32M             PCI_CFG
 31  * f6000000     1de000000       32M             PCI_CREG
 32  * f4000000                     32M             ---
 33  * f0000000     1e0000000       64M             PCI_MEM
 34  * e[c-f]000000                                 per-platform mappings
 35  */
 36 
 37 
 38 /****************************************************************************
 39  * Static mappings.
 40  ****************************************************************************/
 41 #define IXP23XX_XSI2CPP_CSR_PHYS        0xa0000000
 42 #define IXP23XX_XSI2CPP_CSR_VIRT        0xfffd0000
 43 #define IXP23XX_XSI2CPP_CSR_SIZE        0x00010000
 44 
 45 #define IXP23XX_EXP_CFG_PHYS            0xc4000000
 46 #define IXP23XX_EXP_CFG_VIRT            0xfffc0000
 47 #define IXP23XX_EXP_CFG_SIZE            0x00001000
 48 
 49 #define IXP23XX_PERIPHERAL_PHYS         0xc8000000
 50 #define IXP23XX_PERIPHERAL_VIRT         0xfff00000
 51 #define IXP23XX_PERIPHERAL_SIZE         0x00010000
 52 
 53 #define IXP23XX_CAP_CSR_PHYS            0x1c0000000ULL
 54 #define IXP23XX_CAP_CSR_VIRT            0xfe000000
 55 #define IXP23XX_CAP_CSR_SIZE            0x01000000
 56 
 57 #define IXP23XX_MSF_CSR_PHYS            0x1c8000000ULL
 58 #define IXP23XX_MSF_CSR_VIRT            0xfd000000
 59 #define IXP23XX_MSF_CSR_SIZE            0x01000000
 60 
 61 #define IXP23XX_PCI_IO_PHYS             0x1d8000000ULL
 62 #define IXP23XX_PCI_IO_VIRT             0xfa000000
 63 #define IXP23XX_PCI_IO_SIZE             0x02000000
 64 
 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)
 70 
 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)
 75 
 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
 80 
 81 
 82 /****************************************************************************
 83  * XSI2CPP CSRs.
 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)
 90 
 91 
 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)
106 
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)
124 
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)
128 
129 #define IXP23XX_EXP_BUS_PHYS            0x90000000
130 #define IXP23XX_EXP_BUS_WINDOW_SIZE     0x01000000
131 
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)
140 
141 
142 /****************************************************************************
143  * Peripherals.
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)
159 
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)
174 
175 
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
197 
198 
199 /****************************************************************************
200  * GPIO.
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)
211 
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
218 
219 #define IXP23XX_GPIO_STYLE_SIZE         3
220 
221 
222 /****************************************************************************
223  * Timer.
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)
238 
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)
249 
250 
251 /****************************************************************************
252  * CAP CSRs.
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)
261 
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)
268 
269 #define IXP23XX_UENGINE_CSR_VIRT_BASE   (IXP23XX_CAP_CSR_VIRT + 0x18000)
270 
271 
272 /****************************************************************************
273  * PCI CSRs.
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)
279 
280 
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)
296 
297 
298 #endif
299 
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