2 * arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h
4 * Register definitions for IXP4xx chipset. This file contains
5 * register location and bit definitions only. Platform specific
6 * definitions and helper function declarations are in platform.h
9 * Copyright (C) 2002 Intel Corporation.
10 * Copyright (C) 2003-2004 MontaVista Software, Inc.
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
18 #ifndef _ASM_ARM_IXP4XX_H_
19 #define _ASM_ARM_IXP4XX_H_
22 * IXP4xx Linux Memory Map:
24 * Phy Size Virt Description
25 * =========================================================================
27 * 0x00000000 0x10000000(max) PAGE_OFFSET System RAM
29 * 0x48000000 0x04000000 ioremap'd PCI Memory Space
31 * 0x50000000 0x10000000 ioremap'd EXP BUS
33 * 0x60000000 0x00004000 0xffbe7000 QMgr
35 * 0xC8000000 0x00013000 0xffbeb000 On-Chip Peripherals
37 * 0xC4000000 0x00001000 0xffbfe000 EXP CFG
39 * 0xC0000000 0x00001000 0xffbff000 PCI CFG
45 #define IXP4XX_QMGR_BASE_PHYS (0x60000000)
46 #define IXP4XX_QMGR_BASE_VIRT IOMEM(0xFFBE7000)
47 #define IXP4XX_QMGR_REGION_SIZE (0x00004000)
50 * Expansion BUS Configuration registers
52 #define IXP4XX_EXP_CFG_BASE_PHYS (0xC4000000)
53 #define IXP4XX_EXP_CFG_BASE_VIRT IOMEM(0xFFBFE000)
54 #define IXP4XX_EXP_CFG_REGION_SIZE (0x00001000)
57 * PCI Config registers
59 #define IXP4XX_PCI_CFG_BASE_PHYS (0xC0000000)
60 #define IXP4XX_PCI_CFG_BASE_VIRT IOMEM(0xFFBFF000)
61 #define IXP4XX_PCI_CFG_REGION_SIZE (0x00001000)
66 #define IXP4XX_PERIPHERAL_BASE_PHYS (0xC8000000)
67 #define IXP4XX_PERIPHERAL_BASE_VIRT IOMEM(0xFFBEB000)
68 #define IXP4XX_PERIPHERAL_REGION_SIZE (0x00013000)
73 * This is basically a remap of UART1 into a region that is section
74 * aligned so that it * can be used with the low-level debug code.
76 #define IXP4XX_DEBUG_UART_BASE_PHYS (0xC8000000)
77 #define IXP4XX_DEBUG_UART_BASE_VIRT IOMEM(0xffb00000)
78 #define IXP4XX_DEBUG_UART_REGION_SIZE (0x00001000)
80 #define IXP4XX_EXP_CS0_OFFSET 0x00
81 #define IXP4XX_EXP_CS1_OFFSET 0x04
82 #define IXP4XX_EXP_CS2_OFFSET 0x08
83 #define IXP4XX_EXP_CS3_OFFSET 0x0C
84 #define IXP4XX_EXP_CS4_OFFSET 0x10
85 #define IXP4XX_EXP_CS5_OFFSET 0x14
86 #define IXP4XX_EXP_CS6_OFFSET 0x18
87 #define IXP4XX_EXP_CS7_OFFSET 0x1C
88 #define IXP4XX_EXP_CFG0_OFFSET 0x20
89 #define IXP4XX_EXP_CFG1_OFFSET 0x24
90 #define IXP4XX_EXP_CFG2_OFFSET 0x28
91 #define IXP4XX_EXP_CFG3_OFFSET 0x2C
94 * Expansion Bus Controller registers.
96 #define IXP4XX_EXP_REG(x) ((volatile u32 __iomem *)(IXP4XX_EXP_CFG_BASE_VIRT+(x)))
98 #define IXP4XX_EXP_CS0 IXP4XX_EXP_REG(IXP4XX_EXP_CS0_OFFSET)
99 #define IXP4XX_EXP_CS1 IXP4XX_EXP_REG(IXP4XX_EXP_CS1_OFFSET)
100 #define IXP4XX_EXP_CS2 IXP4XX_EXP_REG(IXP4XX_EXP_CS2_OFFSET)
101 #define IXP4XX_EXP_CS3 IXP4XX_EXP_REG(IXP4XX_EXP_CS3_OFFSET)
102 #define IXP4XX_EXP_CS4 IXP4XX_EXP_REG(IXP4XX_EXP_CS4_OFFSET)
103 #define IXP4XX_EXP_CS5 IXP4XX_EXP_REG(IXP4XX_EXP_CS5_OFFSET)
104 #define IXP4XX_EXP_CS6 IXP4XX_EXP_REG(IXP4XX_EXP_CS6_OFFSET)
105 #define IXP4XX_EXP_CS7 IXP4XX_EXP_REG(IXP4XX_EXP_CS7_OFFSET)
107 #define IXP4XX_EXP_CFG0 IXP4XX_EXP_REG(IXP4XX_EXP_CFG0_OFFSET)
108 #define IXP4XX_EXP_CFG1 IXP4XX_EXP_REG(IXP4XX_EXP_CFG1_OFFSET)
109 #define IXP4XX_EXP_CFG2 IXP4XX_EXP_REG(IXP4XX_EXP_CFG2_OFFSET)
110 #define IXP4XX_EXP_CFG3 IXP4XX_EXP_REG(IXP4XX_EXP_CFG3_OFFSET)
114 * Peripheral Space Register Region Base Addresses
116 #define IXP4XX_UART1_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x0000)
117 #define IXP4XX_UART2_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x1000)
118 #define IXP4XX_PMU_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x2000)
119 #define IXP4XX_INTC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x3000)
120 #define IXP4XX_GPIO_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x4000)
121 #define IXP4XX_TIMER_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x5000)
122 #define IXP4XX_NPEA_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x6000)
123 #define IXP4XX_NPEB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x7000)
124 #define IXP4XX_NPEC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x8000)
125 #define IXP4XX_EthB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x9000)
126 #define IXP4XX_EthC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xA000)
127 #define IXP4XX_USB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xB000)
129 #define IXP4XX_EthA_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xC000)
130 #define IXP4XX_EthB1_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xD000)
131 #define IXP4XX_EthB2_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xE000)
132 #define IXP4XX_EthB3_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xF000)
133 #define IXP4XX_TIMESYNC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x10000)
134 #define IXP4XX_I2C_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x11000)
135 #define IXP4XX_SSP_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x12000)
138 #define IXP4XX_UART1_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x0000)
139 #define IXP4XX_UART2_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x1000)
140 #define IXP4XX_PMU_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x2000)
141 #define IXP4XX_INTC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x3000)
142 #define IXP4XX_GPIO_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x4000)
143 #define IXP4XX_TIMER_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x5000)
144 #define IXP4XX_NPEA_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x6000)
145 #define IXP4XX_NPEB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x7000)
146 #define IXP4XX_NPEC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x8000)
147 #define IXP4XX_EthB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x9000)
148 #define IXP4XX_EthC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xA000)
149 #define IXP4XX_USB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xB000)
151 #define IXP4XX_EthA_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xC000)
152 #define IXP4XX_EthB1_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xD000)
153 #define IXP4XX_EthB2_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xE000)
154 #define IXP4XX_EthB3_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xF000)
155 #define IXP4XX_TIMESYNC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x10000)
156 #define IXP4XX_I2C_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x11000)
157 #define IXP4XX_SSP_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x12000)
160 * Constants to make it easy to access Interrupt Controller registers
162 #define IXP4XX_ICPR_OFFSET 0x00 /* Interrupt Status */
163 #define IXP4XX_ICMR_OFFSET 0x04 /* Interrupt Enable */
164 #define IXP4XX_ICLR_OFFSET 0x08 /* Interrupt IRQ/FIQ Select */
165 #define IXP4XX_ICIP_OFFSET 0x0C /* IRQ Status */
166 #define IXP4XX_ICFP_OFFSET 0x10 /* FIQ Status */
167 #define IXP4XX_ICHR_OFFSET 0x14 /* Interrupt Priority */
168 #define IXP4XX_ICIH_OFFSET 0x18 /* IRQ Highest Pri Int */
169 #define IXP4XX_ICFH_OFFSET 0x1C /* FIQ Highest Pri Int */
174 #define IXP4XX_ICPR2_OFFSET 0x20 /* Interrupt Status 2 */
175 #define IXP4XX_ICMR2_OFFSET 0x24 /* Interrupt Enable 2 */
176 #define IXP4XX_ICLR2_OFFSET 0x28 /* Interrupt IRQ/FIQ Select 2 */
177 #define IXP4XX_ICIP2_OFFSET 0x2C /* IRQ Status */
178 #define IXP4XX_ICFP2_OFFSET 0x30 /* FIQ Status */
179 #define IXP4XX_ICEEN_OFFSET 0x34 /* Error High Pri Enable */
183 * Interrupt Controller Register Definitions.
186 #define IXP4XX_INTC_REG(x) ((volatile u32 *)(IXP4XX_INTC_BASE_VIRT+(x)))
188 #define IXP4XX_ICPR IXP4XX_INTC_REG(IXP4XX_ICPR_OFFSET)
189 #define IXP4XX_ICMR IXP4XX_INTC_REG(IXP4XX_ICMR_OFFSET)
190 #define IXP4XX_ICLR IXP4XX_INTC_REG(IXP4XX_ICLR_OFFSET)
191 #define IXP4XX_ICIP IXP4XX_INTC_REG(IXP4XX_ICIP_OFFSET)
192 #define IXP4XX_ICFP IXP4XX_INTC_REG(IXP4XX_ICFP_OFFSET)
193 #define IXP4XX_ICHR IXP4XX_INTC_REG(IXP4XX_ICHR_OFFSET)
194 #define IXP4XX_ICIH IXP4XX_INTC_REG(IXP4XX_ICIH_OFFSET)
195 #define IXP4XX_ICFH IXP4XX_INTC_REG(IXP4XX_ICFH_OFFSET)
196 #define IXP4XX_ICPR2 IXP4XX_INTC_REG(IXP4XX_ICPR2_OFFSET)
197 #define IXP4XX_ICMR2 IXP4XX_INTC_REG(IXP4XX_ICMR2_OFFSET)
198 #define IXP4XX_ICLR2 IXP4XX_INTC_REG(IXP4XX_ICLR2_OFFSET)
199 #define IXP4XX_ICIP2 IXP4XX_INTC_REG(IXP4XX_ICIP2_OFFSET)
200 #define IXP4XX_ICFP2 IXP4XX_INTC_REG(IXP4XX_ICFP2_OFFSET)
201 #define IXP4XX_ICEEN IXP4XX_INTC_REG(IXP4XX_ICEEN_OFFSET)
204 * Constants to make it easy to access GPIO registers
206 #define IXP4XX_GPIO_GPOUTR_OFFSET 0x00
207 #define IXP4XX_GPIO_GPOER_OFFSET 0x04
208 #define IXP4XX_GPIO_GPINR_OFFSET 0x08
209 #define IXP4XX_GPIO_GPISR_OFFSET 0x0C
210 #define IXP4XX_GPIO_GPIT1R_OFFSET 0x10
211 #define IXP4XX_GPIO_GPIT2R_OFFSET 0x14
212 #define IXP4XX_GPIO_GPCLKR_OFFSET 0x18
213 #define IXP4XX_GPIO_GPDBSELR_OFFSET 0x1C
216 * GPIO Register Definitions.
217 * [Only perform 32bit reads/writes]
219 #define IXP4XX_GPIO_REG(x) ((volatile u32 *)(IXP4XX_GPIO_BASE_VIRT+(x)))
221 #define IXP4XX_GPIO_GPOUTR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPOUTR_OFFSET)
222 #define IXP4XX_GPIO_GPOER IXP4XX_GPIO_REG(IXP4XX_GPIO_GPOER_OFFSET)
223 #define IXP4XX_GPIO_GPINR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPINR_OFFSET)
224 #define IXP4XX_GPIO_GPISR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPISR_OFFSET)
225 #define IXP4XX_GPIO_GPIT1R IXP4XX_GPIO_REG(IXP4XX_GPIO_GPIT1R_OFFSET)
226 #define IXP4XX_GPIO_GPIT2R IXP4XX_GPIO_REG(IXP4XX_GPIO_GPIT2R_OFFSET)
227 #define IXP4XX_GPIO_GPCLKR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPCLKR_OFFSET)
228 #define IXP4XX_GPIO_GPDBSELR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPDBSELR_OFFSET)
231 * GPIO register bit definitions
236 #define IXP4XX_GPIO_STYLE_ACTIVE_HIGH 0x0
237 #define IXP4XX_GPIO_STYLE_ACTIVE_LOW 0x1
238 #define IXP4XX_GPIO_STYLE_RISING_EDGE 0x2
239 #define IXP4XX_GPIO_STYLE_FALLING_EDGE 0x3
240 #define IXP4XX_GPIO_STYLE_TRANSITIONAL 0x4
243 * Mask used to clear interrupt styles
245 #define IXP4XX_GPIO_STYLE_CLEAR 0x7
246 #define IXP4XX_GPIO_STYLE_SIZE 3
249 * Constants to make it easy to access Timer Control/Status registers
251 #define IXP4XX_OSTS_OFFSET 0x00 /* Continious TimeStamp */
252 #define IXP4XX_OST1_OFFSET 0x04 /* Timer 1 Timestamp */
253 #define IXP4XX_OSRT1_OFFSET 0x08 /* Timer 1 Reload */
254 #define IXP4XX_OST2_OFFSET 0x0C /* Timer 2 Timestamp */
255 #define IXP4XX_OSRT2_OFFSET 0x10 /* Timer 2 Reload */
256 #define IXP4XX_OSWT_OFFSET 0x14 /* Watchdog Timer */
257 #define IXP4XX_OSWE_OFFSET 0x18 /* Watchdog Enable */
258 #define IXP4XX_OSWK_OFFSET 0x1C /* Watchdog Key */
259 #define IXP4XX_OSST_OFFSET 0x20 /* Timer Status */
262 * Operating System Timer Register Definitions.
265 #define IXP4XX_TIMER_REG(x) ((volatile u32 *)(IXP4XX_TIMER_BASE_VIRT+(x)))
267 #define IXP4XX_OSTS IXP4XX_TIMER_REG(IXP4XX_OSTS_OFFSET)
268 #define IXP4XX_OST1 IXP4XX_TIMER_REG(IXP4XX_OST1_OFFSET)
269 #define IXP4XX_OSRT1 IXP4XX_TIMER_REG(IXP4XX_OSRT1_OFFSET)
270 #define IXP4XX_OST2 IXP4XX_TIMER_REG(IXP4XX_OST2_OFFSET)
271 #define IXP4XX_OSRT2 IXP4XX_TIMER_REG(IXP4XX_OSRT2_OFFSET)
272 #define IXP4XX_OSWT IXP4XX_TIMER_REG(IXP4XX_OSWT_OFFSET)
273 #define IXP4XX_OSWE IXP4XX_TIMER_REG(IXP4XX_OSWE_OFFSET)
274 #define IXP4XX_OSWK IXP4XX_TIMER_REG(IXP4XX_OSWK_OFFSET)
275 #define IXP4XX_OSST IXP4XX_TIMER_REG(IXP4XX_OSST_OFFSET)
278 * Timer register values and bit definitions
280 #define IXP4XX_OST_ENABLE 0x00000001
281 #define IXP4XX_OST_ONE_SHOT 0x00000002
282 /* Low order bits of reload value ignored */
283 #define IXP4XX_OST_RELOAD_MASK 0x00000003
284 #define IXP4XX_OST_DISABLED 0x00000000
285 #define IXP4XX_OSST_TIMER_1_PEND 0x00000001
286 #define IXP4XX_OSST_TIMER_2_PEND 0x00000002
287 #define IXP4XX_OSST_TIMER_TS_PEND 0x00000004
288 #define IXP4XX_OSST_TIMER_WDOG_PEND 0x00000008
289 #define IXP4XX_OSST_TIMER_WARM_RESET 0x00000010
291 #define IXP4XX_WDT_KEY 0x0000482E
293 #define IXP4XX_WDT_RESET_ENABLE 0x00000001
294 #define IXP4XX_WDT_IRQ_ENABLE 0x00000002
295 #define IXP4XX_WDT_COUNT_ENABLE 0x00000004
299 * Constants to make it easy to access PCI Control/Status registers
301 #define PCI_NP_AD_OFFSET 0x00
302 #define PCI_NP_CBE_OFFSET 0x04
303 #define PCI_NP_WDATA_OFFSET 0x08
304 #define PCI_NP_RDATA_OFFSET 0x0c
305 #define PCI_CRP_AD_CBE_OFFSET 0x10
306 #define PCI_CRP_WDATA_OFFSET 0x14
307 #define PCI_CRP_RDATA_OFFSET 0x18
308 #define PCI_CSR_OFFSET 0x1c
309 #define PCI_ISR_OFFSET 0x20
310 #define PCI_INTEN_OFFSET 0x24
311 #define PCI_DMACTRL_OFFSET 0x28
312 #define PCI_AHBMEMBASE_OFFSET 0x2c
313 #define PCI_AHBIOBASE_OFFSET 0x30
314 #define PCI_PCIMEMBASE_OFFSET 0x34
315 #define PCI_AHBDOORBELL_OFFSET 0x38
316 #define PCI_PCIDOORBELL_OFFSET 0x3C
317 #define PCI_ATPDMA0_AHBADDR_OFFSET 0x40
318 #define PCI_ATPDMA0_PCIADDR_OFFSET 0x44
319 #define PCI_ATPDMA0_LENADDR_OFFSET 0x48
320 #define PCI_ATPDMA1_AHBADDR_OFFSET 0x4C
321 #define PCI_ATPDMA1_PCIADDR_OFFSET 0x50
322 #define PCI_ATPDMA1_LENADDR_OFFSET 0x54
325 * PCI Control/Status Registers
327 #define IXP4XX_PCI_CSR(x) ((volatile u32 *)(IXP4XX_PCI_CFG_BASE_VIRT+(x)))
329 #define PCI_NP_AD IXP4XX_PCI_CSR(PCI_NP_AD_OFFSET)
330 #define PCI_NP_CBE IXP4XX_PCI_CSR(PCI_NP_CBE_OFFSET)
331 #define PCI_NP_WDATA IXP4XX_PCI_CSR(PCI_NP_WDATA_OFFSET)
332 #define PCI_NP_RDATA IXP4XX_PCI_CSR(PCI_NP_RDATA_OFFSET)
333 #define PCI_CRP_AD_CBE IXP4XX_PCI_CSR(PCI_CRP_AD_CBE_OFFSET)
334 #define PCI_CRP_WDATA IXP4XX_PCI_CSR(PCI_CRP_WDATA_OFFSET)
335 #define PCI_CRP_RDATA IXP4XX_PCI_CSR(PCI_CRP_RDATA_OFFSET)
336 #define PCI_CSR IXP4XX_PCI_CSR(PCI_CSR_OFFSET)
337 #define PCI_ISR IXP4XX_PCI_CSR(PCI_ISR_OFFSET)
338 #define PCI_INTEN IXP4XX_PCI_CSR(PCI_INTEN_OFFSET)
339 #define PCI_DMACTRL IXP4XX_PCI_CSR(PCI_DMACTRL_OFFSET)
340 #define PCI_AHBMEMBASE IXP4XX_PCI_CSR(PCI_AHBMEMBASE_OFFSET)
341 #define PCI_AHBIOBASE IXP4XX_PCI_CSR(PCI_AHBIOBASE_OFFSET)
342 #define PCI_PCIMEMBASE IXP4XX_PCI_CSR(PCI_PCIMEMBASE_OFFSET)
343 #define PCI_AHBDOORBELL IXP4XX_PCI_CSR(PCI_AHBDOORBELL_OFFSET)
344 #define PCI_PCIDOORBELL IXP4XX_PCI_CSR(PCI_PCIDOORBELL_OFFSET)
345 #define PCI_ATPDMA0_AHBADDR IXP4XX_PCI_CSR(PCI_ATPDMA0_AHBADDR_OFFSET)
346 #define PCI_ATPDMA0_PCIADDR IXP4XX_PCI_CSR(PCI_ATPDMA0_PCIADDR_OFFSET)
347 #define PCI_ATPDMA0_LENADDR IXP4XX_PCI_CSR(PCI_ATPDMA0_LENADDR_OFFSET)
348 #define PCI_ATPDMA1_AHBADDR IXP4XX_PCI_CSR(PCI_ATPDMA1_AHBADDR_OFFSET)
349 #define PCI_ATPDMA1_PCIADDR IXP4XX_PCI_CSR(PCI_ATPDMA1_PCIADDR_OFFSET)
350 #define PCI_ATPDMA1_LENADDR IXP4XX_PCI_CSR(PCI_ATPDMA1_LENADDR_OFFSET)
353 * PCI register values and bit definitions
356 /* CSR bit definitions */
357 #define PCI_CSR_HOST 0x00000001
358 #define PCI_CSR_ARBEN 0x00000002
359 #define PCI_CSR_ADS 0x00000004
360 #define PCI_CSR_PDS 0x00000008
361 #define PCI_CSR_ABE 0x00000010
362 #define PCI_CSR_DBT 0x00000020
363 #define PCI_CSR_ASE 0x00000100
364 #define PCI_CSR_IC 0x00008000
366 /* ISR (Interrupt status) Register bit definitions */
367 #define PCI_ISR_PSE 0x00000001
368 #define PCI_ISR_PFE 0x00000002
369 #define PCI_ISR_PPE 0x00000004
370 #define PCI_ISR_AHBE 0x00000008
371 #define PCI_ISR_APDC 0x00000010
372 #define PCI_ISR_PADC 0x00000020
373 #define PCI_ISR_ADB 0x00000040
374 #define PCI_ISR_PDB 0x00000080
376 /* INTEN (Interrupt Enable) Register bit definitions */
377 #define PCI_INTEN_PSE 0x00000001
378 #define PCI_INTEN_PFE 0x00000002
379 #define PCI_INTEN_PPE 0x00000004
380 #define PCI_INTEN_AHBE 0x00000008
381 #define PCI_INTEN_APDC 0x00000010
382 #define PCI_INTEN_PADC 0x00000020
383 #define PCI_INTEN_ADB 0x00000040
384 #define PCI_INTEN_PDB 0x00000080
387 * Shift value for byte enable on NP cmd/byte enable register
389 #define IXP4XX_PCI_NP_CBE_BESL 4
392 * PCI commands supported by NP access unit
394 #define NP_CMD_IOREAD 0x2
395 #define NP_CMD_IOWRITE 0x3
396 #define NP_CMD_CONFIGREAD 0xa
397 #define NP_CMD_CONFIGWRITE 0xb
398 #define NP_CMD_MEMREAD 0x6
399 #define NP_CMD_MEMWRITE 0x7
402 * Constants for CRP access into local config space
404 #define CRP_AD_CBE_BESL 20
405 #define CRP_AD_CBE_WRITE 0x00010000
409 * USB Device Controller
411 * These are used by the USB gadget driver, so they don't follow the
412 * IXP4XX_ naming convetions.
415 # define IXP4XX_USB_REG(x) (*((volatile u32 *)(x)))
417 /* UDC Undocumented - Reserved1 */
418 #define UDC_RES1 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0004)
419 /* UDC Undocumented - Reserved2 */
420 #define UDC_RES2 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0008)
421 /* UDC Undocumented - Reserved3 */
422 #define UDC_RES3 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x000C)
423 /* UDC Control Register */
424 #define UDCCR IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0000)
425 /* UDC Endpoint 0 Control/Status Register */
426 #define UDCCS0 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0010)
427 /* UDC Endpoint 1 (IN) Control/Status Register */
428 #define UDCCS1 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0014)
429 /* UDC Endpoint 2 (OUT) Control/Status Register */
430 #define UDCCS2 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0018)
431 /* UDC Endpoint 3 (IN) Control/Status Register */
432 #define UDCCS3 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x001C)
433 /* UDC Endpoint 4 (OUT) Control/Status Register */
434 #define UDCCS4 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0020)
435 /* UDC Endpoint 5 (Interrupt) Control/Status Register */
436 #define UDCCS5 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0024)
437 /* UDC Endpoint 6 (IN) Control/Status Register */
438 #define UDCCS6 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0028)
439 /* UDC Endpoint 7 (OUT) Control/Status Register */
440 #define UDCCS7 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x002C)
441 /* UDC Endpoint 8 (IN) Control/Status Register */
442 #define UDCCS8 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0030)
443 /* UDC Endpoint 9 (OUT) Control/Status Register */
444 #define UDCCS9 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0034)
445 /* UDC Endpoint 10 (Interrupt) Control/Status Register */
446 #define UDCCS10 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0038)
447 /* UDC Endpoint 11 (IN) Control/Status Register */
448 #define UDCCS11 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x003C)
449 /* UDC Endpoint 12 (OUT) Control/Status Register */
450 #define UDCCS12 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0040)
451 /* UDC Endpoint 13 (IN) Control/Status Register */
452 #define UDCCS13 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0044)
453 /* UDC Endpoint 14 (OUT) Control/Status Register */
454 #define UDCCS14 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0048)
455 /* UDC Endpoint 15 (Interrupt) Control/Status Register */
456 #define UDCCS15 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x004C)
457 /* UDC Frame Number Register High */
458 #define UFNRH IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0060)
459 /* UDC Frame Number Register Low */
460 #define UFNRL IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0064)
461 /* UDC Byte Count Reg 2 */
462 #define UBCR2 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0068)
463 /* UDC Byte Count Reg 4 */
464 #define UBCR4 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x006c)
465 /* UDC Byte Count Reg 7 */
466 #define UBCR7 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0070)
467 /* UDC Byte Count Reg 9 */
468 #define UBCR9 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0074)
469 /* UDC Byte Count Reg 12 */
470 #define UBCR12 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0078)
471 /* UDC Byte Count Reg 14 */
472 #define UBCR14 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x007c)
473 /* UDC Endpoint 0 Data Register */
474 #define UDDR0 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0080)
475 /* UDC Endpoint 1 Data Register */
476 #define UDDR1 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0100)
477 /* UDC Endpoint 2 Data Register */
478 #define UDDR2 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0180)
479 /* UDC Endpoint 3 Data Register */
480 #define UDDR3 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0200)
481 /* UDC Endpoint 4 Data Register */
482 #define UDDR4 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0400)
483 /* UDC Endpoint 5 Data Register */
484 #define UDDR5 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x00A0)
485 /* UDC Endpoint 6 Data Register */
486 #define UDDR6 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0600)
487 /* UDC Endpoint 7 Data Register */
488 #define UDDR7 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0680)
489 /* UDC Endpoint 8 Data Register */
490 #define UDDR8 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0700)
491 /* UDC Endpoint 9 Data Register */
492 #define UDDR9 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0900)
493 /* UDC Endpoint 10 Data Register */
494 #define UDDR10 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x00C0)
495 /* UDC Endpoint 11 Data Register */
496 #define UDDR11 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0B00)
497 /* UDC Endpoint 12 Data Register */
498 #define UDDR12 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0B80)
499 /* UDC Endpoint 13 Data Register */
500 #define UDDR13 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0C00)
501 /* UDC Endpoint 14 Data Register */
502 #define UDDR14 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0E00)
503 /* UDC Endpoint 15 Data Register */
504 #define UDDR15 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x00E0)
505 /* UDC Interrupt Control Register 0 */
506 #define UICR0 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0050)
507 /* UDC Interrupt Control Register 1 */
508 #define UICR1 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0054)
509 /* UDC Status Interrupt Register 0 */
510 #define USIR0 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0058)
511 /* UDC Status Interrupt Register 1 */
512 #define USIR1 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x005C)
514 #define UDCCR_UDE (1 << 0) /* UDC enable */
515 #define UDCCR_UDA (1 << 1) /* UDC active */
516 #define UDCCR_RSM (1 << 2) /* Device resume */
517 #define UDCCR_RESIR (1 << 3) /* Resume interrupt request */
518 #define UDCCR_SUSIR (1 << 4) /* Suspend interrupt request */
519 #define UDCCR_SRM (1 << 5) /* Suspend/resume interrupt mask */
520 #define UDCCR_RSTIR (1 << 6) /* Reset interrupt request */
521 #define UDCCR_REM (1 << 7) /* Reset interrupt mask */
523 #define UDCCS0_OPR (1 << 0) /* OUT packet ready */
524 #define UDCCS0_IPR (1 << 1) /* IN packet ready */
525 #define UDCCS0_FTF (1 << 2) /* Flush Tx FIFO */
526 #define UDCCS0_DRWF (1 << 3) /* Device remote wakeup feature */
527 #define UDCCS0_SST (1 << 4) /* Sent stall */
528 #define UDCCS0_FST (1 << 5) /* Force stall */
529 #define UDCCS0_RNE (1 << 6) /* Receive FIFO no empty */
530 #define UDCCS0_SA (1 << 7) /* Setup active */
532 #define UDCCS_BI_TFS (1 << 0) /* Transmit FIFO service */
533 #define UDCCS_BI_TPC (1 << 1) /* Transmit packet complete */
534 #define UDCCS_BI_FTF (1 << 2) /* Flush Tx FIFO */
535 #define UDCCS_BI_TUR (1 << 3) /* Transmit FIFO underrun */
536 #define UDCCS_BI_SST (1 << 4) /* Sent stall */
537 #define UDCCS_BI_FST (1 << 5) /* Force stall */
538 #define UDCCS_BI_TSP (1 << 7) /* Transmit short packet */
540 #define UDCCS_BO_RFS (1 << 0) /* Receive FIFO service */
541 #define UDCCS_BO_RPC (1 << 1) /* Receive packet complete */
542 #define UDCCS_BO_DME (1 << 3) /* DMA enable */
543 #define UDCCS_BO_SST (1 << 4) /* Sent stall */
544 #define UDCCS_BO_FST (1 << 5) /* Force stall */
545 #define UDCCS_BO_RNE (1 << 6) /* Receive FIFO not empty */
546 #define UDCCS_BO_RSP (1 << 7) /* Receive short packet */
548 #define UDCCS_II_TFS (1 << 0) /* Transmit FIFO service */
549 #define UDCCS_II_TPC (1 << 1) /* Transmit packet complete */
550 #define UDCCS_II_FTF (1 << 2) /* Flush Tx FIFO */
551 #define UDCCS_II_TUR (1 << 3) /* Transmit FIFO underrun */
552 #define UDCCS_II_TSP (1 << 7) /* Transmit short packet */
554 #define UDCCS_IO_RFS (1 << 0) /* Receive FIFO service */
555 #define UDCCS_IO_RPC (1 << 1) /* Receive packet complete */
556 #define UDCCS_IO_ROF (1 << 3) /* Receive overflow */
557 #define UDCCS_IO_DME (1 << 3) /* DMA enable */
558 #define UDCCS_IO_RNE (1 << 6) /* Receive FIFO not empty */
559 #define UDCCS_IO_RSP (1 << 7) /* Receive short packet */
561 #define UDCCS_INT_TFS (1 << 0) /* Transmit FIFO service */
562 #define UDCCS_INT_TPC (1 << 1) /* Transmit packet complete */
563 #define UDCCS_INT_FTF (1 << 2) /* Flush Tx FIFO */
564 #define UDCCS_INT_TUR (1 << 3) /* Transmit FIFO underrun */
565 #define UDCCS_INT_SST (1 << 4) /* Sent stall */
566 #define UDCCS_INT_FST (1 << 5) /* Force stall */
567 #define UDCCS_INT_TSP (1 << 7) /* Transmit short packet */
569 #define UICR0_IM0 (1 << 0) /* Interrupt mask ep 0 */
570 #define UICR0_IM1 (1 << 1) /* Interrupt mask ep 1 */
571 #define UICR0_IM2 (1 << 2) /* Interrupt mask ep 2 */
572 #define UICR0_IM3 (1 << 3) /* Interrupt mask ep 3 */
573 #define UICR0_IM4 (1 << 4) /* Interrupt mask ep 4 */
574 #define UICR0_IM5 (1 << 5) /* Interrupt mask ep 5 */
575 #define UICR0_IM6 (1 << 6) /* Interrupt mask ep 6 */
576 #define UICR0_IM7 (1 << 7) /* Interrupt mask ep 7 */
578 #define UICR1_IM8 (1 << 0) /* Interrupt mask ep 8 */
579 #define UICR1_IM9 (1 << 1) /* Interrupt mask ep 9 */
580 #define UICR1_IM10 (1 << 2) /* Interrupt mask ep 10 */
581 #define UICR1_IM11 (1 << 3) /* Interrupt mask ep 11 */
582 #define UICR1_IM12 (1 << 4) /* Interrupt mask ep 12 */
583 #define UICR1_IM13 (1 << 5) /* Interrupt mask ep 13 */
584 #define UICR1_IM14 (1 << 6) /* Interrupt mask ep 14 */
585 #define UICR1_IM15 (1 << 7) /* Interrupt mask ep 15 */
587 #define USIR0_IR0 (1 << 0) /* Interrupt request ep 0 */
588 #define USIR0_IR1 (1 << 1) /* Interrupt request ep 1 */
589 #define USIR0_IR2 (1 << 2) /* Interrupt request ep 2 */
590 #define USIR0_IR3 (1 << 3) /* Interrupt request ep 3 */
591 #define USIR0_IR4 (1 << 4) /* Interrupt request ep 4 */
592 #define USIR0_IR5 (1 << 5) /* Interrupt request ep 5 */
593 #define USIR0_IR6 (1 << 6) /* Interrupt request ep 6 */
594 #define USIR0_IR7 (1 << 7) /* Interrupt request ep 7 */
596 #define USIR1_IR8 (1 << 0) /* Interrupt request ep 8 */
597 #define USIR1_IR9 (1 << 1) /* Interrupt request ep 9 */
598 #define USIR1_IR10 (1 << 2) /* Interrupt request ep 10 */
599 #define USIR1_IR11 (1 << 3) /* Interrupt request ep 11 */
600 #define USIR1_IR12 (1 << 4) /* Interrupt request ep 12 */
601 #define USIR1_IR13 (1 << 5) /* Interrupt request ep 13 */
602 #define USIR1_IR14 (1 << 6) /* Interrupt request ep 14 */
603 #define USIR1_IR15 (1 << 7) /* Interrupt request ep 15 */
605 #define DCMD_LENGTH 0x01fff /* length mask (max = 8K - 1) */
607 /* "fuse" bits of IXP_EXP_CFG2 */
608 /* All IXP4xx CPUs */
609 #define IXP4XX_FEATURE_RCOMP (1 << 0)
610 #define IXP4XX_FEATURE_USB_DEVICE (1 << 1)
611 #define IXP4XX_FEATURE_HASH (1 << 2)
612 #define IXP4XX_FEATURE_AES (1 << 3)
613 #define IXP4XX_FEATURE_DES (1 << 4)
614 #define IXP4XX_FEATURE_HDLC (1 << 5)
615 #define IXP4XX_FEATURE_AAL (1 << 6)
616 #define IXP4XX_FEATURE_HSS (1 << 7)
617 #define IXP4XX_FEATURE_UTOPIA (1 << 8)
618 #define IXP4XX_FEATURE_NPEB_ETH0 (1 << 9)
619 #define IXP4XX_FEATURE_NPEC_ETH (1 << 10)
620 #define IXP4XX_FEATURE_RESET_NPEA (1 << 11)
621 #define IXP4XX_FEATURE_RESET_NPEB (1 << 12)
622 #define IXP4XX_FEATURE_RESET_NPEC (1 << 13)
623 #define IXP4XX_FEATURE_PCI (1 << 14)
624 #define IXP4XX_FEATURE_UTOPIA_PHY_LIMIT (3 << 16)
625 #define IXP4XX_FEATURE_XSCALE_MAX_FREQ (3 << 22)
626 #define IXP42X_FEATURE_MASK (IXP4XX_FEATURE_RCOMP | \
627 IXP4XX_FEATURE_USB_DEVICE | \
628 IXP4XX_FEATURE_HASH | \
629 IXP4XX_FEATURE_AES | \
630 IXP4XX_FEATURE_DES | \
631 IXP4XX_FEATURE_HDLC | \
632 IXP4XX_FEATURE_AAL | \
633 IXP4XX_FEATURE_HSS | \
634 IXP4XX_FEATURE_UTOPIA | \
635 IXP4XX_FEATURE_NPEB_ETH0 | \
636 IXP4XX_FEATURE_NPEC_ETH | \
637 IXP4XX_FEATURE_RESET_NPEA | \
638 IXP4XX_FEATURE_RESET_NPEB | \
639 IXP4XX_FEATURE_RESET_NPEC | \
640 IXP4XX_FEATURE_PCI | \
641 IXP4XX_FEATURE_UTOPIA_PHY_LIMIT | \
642 IXP4XX_FEATURE_XSCALE_MAX_FREQ)
645 /* IXP43x/46x CPUs */
646 #define IXP4XX_FEATURE_ECC_TIMESYNC (1 << 15)
647 #define IXP4XX_FEATURE_USB_HOST (1 << 18)
648 #define IXP4XX_FEATURE_NPEA_ETH (1 << 19)
649 #define IXP43X_FEATURE_MASK (IXP42X_FEATURE_MASK | \
650 IXP4XX_FEATURE_ECC_TIMESYNC | \
651 IXP4XX_FEATURE_USB_HOST | \
652 IXP4XX_FEATURE_NPEA_ETH)
654 /* IXP46x CPU (including IXP455) only */
655 #define IXP4XX_FEATURE_NPEB_ETH_1_TO_3 (1 << 20)
656 #define IXP4XX_FEATURE_RSA (1 << 21)
657 #define IXP46X_FEATURE_MASK (IXP43X_FEATURE_MASK | \
658 IXP4XX_FEATURE_NPEB_ETH_1_TO_3 | \
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