arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h

   1 /*
   2  * arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h
   3  *
   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
   7  * and machine-name.h.
   8  *
   9  * Copyright (C) 2002 Intel Corporation.
  10  * Copyright (C) 2003-2004 MontaVista Software, Inc.
  11  *
  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.
  15  *
  16  */
  17
  18 #ifndef _ASM_ARM_IXP4XX_H_
  19 #define _ASM_ARM_IXP4XX_H_
  20
  21 /*
  22  * IXP4xx Linux Memory Map:
  23  *
  24  * Phy          Size            Virt            Description
  25  * =========================================================================
  26  *
  27  * 0x00000000   0x10000000(max) PAGE_OFFSET     System RAM
  28  *
  29  * 0x48000000   0x04000000      ioremap'd       PCI Memory Space
  30  *
  31  * 0x50000000   0x10000000      ioremap'd       EXP BUS
  32  *
  33  * 0xC8000000   0x00013000      0xFEF00000      On-Chip Peripherals
  34  *
  35  * 0xC0000000   0x00001000      0xFEF13000      PCI CFG
  36  *
  37  * 0xC4000000   0x00001000      0xFEF14000      EXP CFG
  38  *
  39  * 0x60000000   0x00004000      0xFEF15000      QMgr
  40  */
  41
  42 /*
  43  * Queue Manager
  44  */
  45 #define IXP4XX_QMGR_BASE_PHYS           0x60000000
  46 #define IXP4XX_QMGR_BASE_VIRT           IOMEM(0xFEF15000)
  47 #define IXP4XX_QMGR_REGION_SIZE         0x00004000
  48
  49 /*
  50  * Peripheral space, including debug UART. Must be section-aligned so that
  51  * it can be used with the low-level debug code.
  52  */
  53 #define IXP4XX_PERIPHERAL_BASE_PHYS     0xC8000000
  54 #define IXP4XX_PERIPHERAL_BASE_VIRT     IOMEM(0xFEF00000)
  55 #define IXP4XX_PERIPHERAL_REGION_SIZE   0x00013000
  56
  57 /*
  58  * PCI Config registers
  59  */
  60 #define IXP4XX_PCI_CFG_BASE_PHYS        0xC0000000
  61 #define IXP4XX_PCI_CFG_BASE_VIRT        IOMEM(0xFEF13000)
  62 #define IXP4XX_PCI_CFG_REGION_SIZE      0x00001000
  63
  64 /*
  65  * Expansion BUS Configuration registers
  66  */
  67 #define IXP4XX_EXP_CFG_BASE_PHYS        0xC4000000
  68 #define IXP4XX_EXP_CFG_BASE_VIRT        0xFEF14000
  69 #define IXP4XX_EXP_CFG_REGION_SIZE      0x00001000
  70
  71 #define IXP4XX_EXP_CS0_OFFSET   0x00
  72 #define IXP4XX_EXP_CS1_OFFSET   0x04
  73 #define IXP4XX_EXP_CS2_OFFSET   0x08
  74 #define IXP4XX_EXP_CS3_OFFSET   0x0C
  75 #define IXP4XX_EXP_CS4_OFFSET   0x10
  76 #define IXP4XX_EXP_CS5_OFFSET   0x14
  77 #define IXP4XX_EXP_CS6_OFFSET   0x18
  78 #define IXP4XX_EXP_CS7_OFFSET   0x1C
  79 #define IXP4XX_EXP_CFG0_OFFSET  0x20
  80 #define IXP4XX_EXP_CFG1_OFFSET  0x24
  81 #define IXP4XX_EXP_CFG2_OFFSET  0x28
  82 #define IXP4XX_EXP_CFG3_OFFSET  0x2C
  83
  84 /*
  85  * Expansion Bus Controller registers.
  86  */
  87 #define IXP4XX_EXP_REG(x) ((volatile u32 __iomem *)(IXP4XX_EXP_CFG_BASE_VIRT+(x)))
  88
  89 #define IXP4XX_EXP_CS0      IXP4XX_EXP_REG(IXP4XX_EXP_CS0_OFFSET)
  90 #define IXP4XX_EXP_CS1      IXP4XX_EXP_REG(IXP4XX_EXP_CS1_OFFSET)
  91 #define IXP4XX_EXP_CS2      IXP4XX_EXP_REG(IXP4XX_EXP_CS2_OFFSET)
  92 #define IXP4XX_EXP_CS3      IXP4XX_EXP_REG(IXP4XX_EXP_CS3_OFFSET)
  93 #define IXP4XX_EXP_CS4      IXP4XX_EXP_REG(IXP4XX_EXP_CS4_OFFSET)
  94 #define IXP4XX_EXP_CS5      IXP4XX_EXP_REG(IXP4XX_EXP_CS5_OFFSET)
  95 #define IXP4XX_EXP_CS6      IXP4XX_EXP_REG(IXP4XX_EXP_CS6_OFFSET)
  96 #define IXP4XX_EXP_CS7      IXP4XX_EXP_REG(IXP4XX_EXP_CS7_OFFSET)
  97
  98 #define IXP4XX_EXP_CFG0     IXP4XX_EXP_REG(IXP4XX_EXP_CFG0_OFFSET)
  99 #define IXP4XX_EXP_CFG1     IXP4XX_EXP_REG(IXP4XX_EXP_CFG1_OFFSET)
 100 #define IXP4XX_EXP_CFG2     IXP4XX_EXP_REG(IXP4XX_EXP_CFG2_OFFSET)
 101 #define IXP4XX_EXP_CFG3     IXP4XX_EXP_REG(IXP4XX_EXP_CFG3_OFFSET)
 102
 103
 104 /*
 105  * Peripheral Space Register Region Base Addresses
 106  */
 107 #define IXP4XX_UART1_BASE_PHYS          (IXP4XX_PERIPHERAL_BASE_PHYS + 0x0000)
 108 #define IXP4XX_UART2_BASE_PHYS          (IXP4XX_PERIPHERAL_BASE_PHYS + 0x1000)
 109 #define IXP4XX_PMU_BASE_PHYS            (IXP4XX_PERIPHERAL_BASE_PHYS + 0x2000)
 110 #define IXP4XX_INTC_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0x3000)
 111 #define IXP4XX_GPIO_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0x4000)
 112 #define IXP4XX_TIMER_BASE_PHYS          (IXP4XX_PERIPHERAL_BASE_PHYS + 0x5000)
 113 #define IXP4XX_NPEA_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0x6000)
 114 #define IXP4XX_NPEB_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0x7000)
 115 #define IXP4XX_NPEC_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0x8000)
 116 #define IXP4XX_EthB_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0x9000)
 117 #define IXP4XX_EthC_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0xA000)
 118 #define IXP4XX_USB_BASE_PHYS            (IXP4XX_PERIPHERAL_BASE_PHYS + 0xB000)
 119 /* ixp46X only */
 120 #define IXP4XX_EthA_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0xC000)
 121 #define IXP4XX_EthB1_BASE_PHYS          (IXP4XX_PERIPHERAL_BASE_PHYS + 0xD000)
 122 #define IXP4XX_EthB2_BASE_PHYS          (IXP4XX_PERIPHERAL_BASE_PHYS + 0xE000)
 123 #define IXP4XX_EthB3_BASE_PHYS          (IXP4XX_PERIPHERAL_BASE_PHYS + 0xF000)
 124 #define IXP4XX_TIMESYNC_BASE_PHYS       (IXP4XX_PERIPHERAL_BASE_PHYS + 0x10000)
 125 #define IXP4XX_I2C_BASE_PHYS            (IXP4XX_PERIPHERAL_BASE_PHYS + 0x11000)
 126 #define IXP4XX_SSP_BASE_PHYS            (IXP4XX_PERIPHERAL_BASE_PHYS + 0x12000)
 127
 128
 129 #define IXP4XX_UART1_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0x0000)
 130 #define IXP4XX_UART2_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0x1000)
 131 #define IXP4XX_PMU_BASE_VIRT            (IXP4XX_PERIPHERAL_BASE_VIRT + 0x2000)
 132 #define IXP4XX_INTC_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0x3000)
 133 #define IXP4XX_GPIO_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0x4000)
 134 #define IXP4XX_TIMER_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0x5000)
 135 #define IXP4XX_NPEA_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0x6000)
 136 #define IXP4XX_NPEB_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0x7000)
 137 #define IXP4XX_NPEC_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0x8000)
 138 #define IXP4XX_EthB_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0x9000)
 139 #define IXP4XX_EthC_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0xA000)
 140 #define IXP4XX_USB_BASE_VIRT            (IXP4XX_PERIPHERAL_BASE_VIRT + 0xB000)
 141 /* ixp46X only */
 142 #define IXP4XX_EthA_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0xC000)
 143 #define IXP4XX_EthB1_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0xD000)
 144 #define IXP4XX_EthB2_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0xE000)
 145 #define IXP4XX_EthB3_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0xF000)
 146 #define IXP4XX_TIMESYNC_BASE_VIRT       (IXP4XX_PERIPHERAL_BASE_VIRT + 0x10000)
 147 #define IXP4XX_I2C_BASE_VIRT            (IXP4XX_PERIPHERAL_BASE_VIRT + 0x11000)
 148 #define IXP4XX_SSP_BASE_VIRT            (IXP4XX_PERIPHERAL_BASE_VIRT + 0x12000)
 149
 150 /*
 151  * Constants to make it easy to access  Interrupt Controller registers
 152  */
 153 #define IXP4XX_ICPR_OFFSET      0x00 /* Interrupt Status */
 154 #define IXP4XX_ICMR_OFFSET      0x04 /* Interrupt Enable */
 155 #define IXP4XX_ICLR_OFFSET      0x08 /* Interrupt IRQ/FIQ Select */
 156 #define IXP4XX_ICIP_OFFSET      0x0C /* IRQ Status */
 157 #define IXP4XX_ICFP_OFFSET      0x10 /* FIQ Status */
 158 #define IXP4XX_ICHR_OFFSET      0x14 /* Interrupt Priority */
 159 #define IXP4XX_ICIH_OFFSET      0x18 /* IRQ Highest Pri Int */
 160 #define IXP4XX_ICFH_OFFSET      0x1C /* FIQ Highest Pri Int */
 161
 162 /*
 163  * IXP465-only
 164  */
 165 #define IXP4XX_ICPR2_OFFSET     0x20 /* Interrupt Status 2 */
 166 #define IXP4XX_ICMR2_OFFSET     0x24 /* Interrupt Enable 2 */
 167 #define IXP4XX_ICLR2_OFFSET     0x28 /* Interrupt IRQ/FIQ Select 2 */
 168 #define IXP4XX_ICIP2_OFFSET     0x2C /* IRQ Status */
 169 #define IXP4XX_ICFP2_OFFSET     0x30 /* FIQ Status */
 170 #define IXP4XX_ICEEN_OFFSET     0x34 /* Error High Pri Enable */
 171
 172
 173 /*
 174  * Interrupt Controller Register Definitions.
 175  */
 176
 177 #define IXP4XX_INTC_REG(x) ((volatile u32 *)(IXP4XX_INTC_BASE_VIRT+(x)))
 178
 179 #define IXP4XX_ICPR     IXP4XX_INTC_REG(IXP4XX_ICPR_OFFSET)
 180 #define IXP4XX_ICMR     IXP4XX_INTC_REG(IXP4XX_ICMR_OFFSET)
 181 #define IXP4XX_ICLR     IXP4XX_INTC_REG(IXP4XX_ICLR_OFFSET)
 182 #define IXP4XX_ICIP     IXP4XX_INTC_REG(IXP4XX_ICIP_OFFSET)
 183 #define IXP4XX_ICFP     IXP4XX_INTC_REG(IXP4XX_ICFP_OFFSET)
 184 #define IXP4XX_ICHR     IXP4XX_INTC_REG(IXP4XX_ICHR_OFFSET)
 185 #define IXP4XX_ICIH     IXP4XX_INTC_REG(IXP4XX_ICIH_OFFSET)
 186 #define IXP4XX_ICFH     IXP4XX_INTC_REG(IXP4XX_ICFH_OFFSET)
 187 #define IXP4XX_ICPR2    IXP4XX_INTC_REG(IXP4XX_ICPR2_OFFSET)
 188 #define IXP4XX_ICMR2    IXP4XX_INTC_REG(IXP4XX_ICMR2_OFFSET)
 189 #define IXP4XX_ICLR2    IXP4XX_INTC_REG(IXP4XX_ICLR2_OFFSET)
 190 #define IXP4XX_ICIP2    IXP4XX_INTC_REG(IXP4XX_ICIP2_OFFSET)
 191 #define IXP4XX_ICFP2    IXP4XX_INTC_REG(IXP4XX_ICFP2_OFFSET)
 192 #define IXP4XX_ICEEN    IXP4XX_INTC_REG(IXP4XX_ICEEN_OFFSET)
 193
 194 /*
 195  * Constants to make it easy to access GPIO registers
 196  */
 197 #define IXP4XX_GPIO_GPOUTR_OFFSET       0x00
 198 #define IXP4XX_GPIO_GPOER_OFFSET        0x04
 199 #define IXP4XX_GPIO_GPINR_OFFSET        0x08
 200 #define IXP4XX_GPIO_GPISR_OFFSET        0x0C
 201 #define IXP4XX_GPIO_GPIT1R_OFFSET       0x10
 202 #define IXP4XX_GPIO_GPIT2R_OFFSET       0x14
 203 #define IXP4XX_GPIO_GPCLKR_OFFSET       0x18
 204 #define IXP4XX_GPIO_GPDBSELR_OFFSET     0x1C
 205
 206 /*
 207  * GPIO Register Definitions.
 208  * [Only perform 32bit reads/writes]
 209  */
 210 #define IXP4XX_GPIO_REG(x) ((volatile u32 *)(IXP4XX_GPIO_BASE_VIRT+(x)))
 211
 212 #define IXP4XX_GPIO_GPOUTR      IXP4XX_GPIO_REG(IXP4XX_GPIO_GPOUTR_OFFSET)
 213 #define IXP4XX_GPIO_GPOER       IXP4XX_GPIO_REG(IXP4XX_GPIO_GPOER_OFFSET)
 214 #define IXP4XX_GPIO_GPINR       IXP4XX_GPIO_REG(IXP4XX_GPIO_GPINR_OFFSET)
 215 #define IXP4XX_GPIO_GPISR       IXP4XX_GPIO_REG(IXP4XX_GPIO_GPISR_OFFSET)
 216 #define IXP4XX_GPIO_GPIT1R      IXP4XX_GPIO_REG(IXP4XX_GPIO_GPIT1R_OFFSET)
 217 #define IXP4XX_GPIO_GPIT2R      IXP4XX_GPIO_REG(IXP4XX_GPIO_GPIT2R_OFFSET)
 218 #define IXP4XX_GPIO_GPCLKR      IXP4XX_GPIO_REG(IXP4XX_GPIO_GPCLKR_OFFSET)
 219 #define IXP4XX_GPIO_GPDBSELR    IXP4XX_GPIO_REG(IXP4XX_GPIO_GPDBSELR_OFFSET)
 220
 221 /*
 222  * GPIO register bit definitions
 223  */
 224
 225 /* Interrupt styles
 226  */
 227 #define IXP4XX_GPIO_STYLE_ACTIVE_HIGH   0x0
 228 #define IXP4XX_GPIO_STYLE_ACTIVE_LOW    0x1
 229 #define IXP4XX_GPIO_STYLE_RISING_EDGE   0x2
 230 #define IXP4XX_GPIO_STYLE_FALLING_EDGE  0x3
 231 #define IXP4XX_GPIO_STYLE_TRANSITIONAL  0x4
 232
 233 /*
 234  * Mask used to clear interrupt styles
 235  */
 236 #define IXP4XX_GPIO_STYLE_CLEAR         0x7
 237 #define IXP4XX_GPIO_STYLE_SIZE          3
 238
 239 /*
 240  * Constants to make it easy to access Timer Control/Status registers
 241  */
 242 #define IXP4XX_OSTS_OFFSET      0x00  /* Continious TimeStamp */
 243 #define IXP4XX_OST1_OFFSET      0x04  /* Timer 1 Timestamp */
 244 #define IXP4XX_OSRT1_OFFSET     0x08  /* Timer 1 Reload */
 245 #define IXP4XX_OST2_OFFSET      0x0C  /* Timer 2 Timestamp */
 246 #define IXP4XX_OSRT2_OFFSET     0x10  /* Timer 2 Reload */
 247 #define IXP4XX_OSWT_OFFSET      0x14  /* Watchdog Timer */
 248 #define IXP4XX_OSWE_OFFSET      0x18  /* Watchdog Enable */
 249 #define IXP4XX_OSWK_OFFSET      0x1C  /* Watchdog Key */
 250 #define IXP4XX_OSST_OFFSET      0x20  /* Timer Status */
 251
 252 /*
 253  * Operating System Timer Register Definitions.
 254  */
 255
 256 #define IXP4XX_TIMER_REG(x) ((volatile u32 *)(IXP4XX_TIMER_BASE_VIRT+(x)))
 257
 258 #define IXP4XX_OSTS     IXP4XX_TIMER_REG(IXP4XX_OSTS_OFFSET)
 259 #define IXP4XX_OST1     IXP4XX_TIMER_REG(IXP4XX_OST1_OFFSET)
 260 #define IXP4XX_OSRT1    IXP4XX_TIMER_REG(IXP4XX_OSRT1_OFFSET)
 261 #define IXP4XX_OST2     IXP4XX_TIMER_REG(IXP4XX_OST2_OFFSET)
 262 #define IXP4XX_OSRT2    IXP4XX_TIMER_REG(IXP4XX_OSRT2_OFFSET)
 263 #define IXP4XX_OSWT     IXP4XX_TIMER_REG(IXP4XX_OSWT_OFFSET)
 264 #define IXP4XX_OSWE     IXP4XX_TIMER_REG(IXP4XX_OSWE_OFFSET)
 265 #define IXP4XX_OSWK     IXP4XX_TIMER_REG(IXP4XX_OSWK_OFFSET)
 266 #define IXP4XX_OSST     IXP4XX_TIMER_REG(IXP4XX_OSST_OFFSET)
 267
 268 /*
 269  * Timer register values and bit definitions
 270  */
 271 #define IXP4XX_OST_ENABLE               0x00000001
 272 #define IXP4XX_OST_ONE_SHOT             0x00000002
 273 /* Low order bits of reload value ignored */
 274 #define IXP4XX_OST_RELOAD_MASK          0x00000003
 275 #define IXP4XX_OST_DISABLED             0x00000000
 276 #define IXP4XX_OSST_TIMER_1_PEND        0x00000001
 277 #define IXP4XX_OSST_TIMER_2_PEND        0x00000002
 278 #define IXP4XX_OSST_TIMER_TS_PEND       0x00000004
 279 #define IXP4XX_OSST_TIMER_WDOG_PEND     0x00000008
 280 #define IXP4XX_OSST_TIMER_WARM_RESET    0x00000010
 281
 282 #define IXP4XX_WDT_KEY                  0x0000482E
 283
 284 #define IXP4XX_WDT_RESET_ENABLE         0x00000001
 285 #define IXP4XX_WDT_IRQ_ENABLE           0x00000002
 286 #define IXP4XX_WDT_COUNT_ENABLE         0x00000004
 287
 288
 289 /*
 290  * Constants to make it easy to access PCI Control/Status registers
 291  */
 292 #define PCI_NP_AD_OFFSET            0x00
 293 #define PCI_NP_CBE_OFFSET           0x04
 294 #define PCI_NP_WDATA_OFFSET         0x08
 295 #define PCI_NP_RDATA_OFFSET         0x0c
 296 #define PCI_CRP_AD_CBE_OFFSET       0x10
 297 #define PCI_CRP_WDATA_OFFSET        0x14
 298 #define PCI_CRP_RDATA_OFFSET        0x18
 299 #define PCI_CSR_OFFSET              0x1c
 300 #define PCI_ISR_OFFSET              0x20
 301 #define PCI_INTEN_OFFSET            0x24
 302 #define PCI_DMACTRL_OFFSET          0x28
 303 #define PCI_AHBMEMBASE_OFFSET       0x2c
 304 #define PCI_AHBIOBASE_OFFSET        0x30
 305 #define PCI_PCIMEMBASE_OFFSET       0x34
 306 #define PCI_AHBDOORBELL_OFFSET      0x38
 307 #define PCI_PCIDOORBELL_OFFSET      0x3C
 308 #define PCI_ATPDMA0_AHBADDR_OFFSET  0x40
 309 #define PCI_ATPDMA0_PCIADDR_OFFSET  0x44
 310 #define PCI_ATPDMA0_LENADDR_OFFSET  0x48
 311 #define PCI_ATPDMA1_AHBADDR_OFFSET  0x4C
 312 #define PCI_ATPDMA1_PCIADDR_OFFSET  0x50
 313 #define PCI_ATPDMA1_LENADDR_OFFSET      0x54
 314
 315 /*
 316  * PCI Control/Status Registers
 317  */
 318 #define IXP4XX_PCI_CSR(x) ((volatile u32 *)(IXP4XX_PCI_CFG_BASE_VIRT+(x)))
 319
 320 #define PCI_NP_AD               IXP4XX_PCI_CSR(PCI_NP_AD_OFFSET)
 321 #define PCI_NP_CBE              IXP4XX_PCI_CSR(PCI_NP_CBE_OFFSET)
 322 #define PCI_NP_WDATA            IXP4XX_PCI_CSR(PCI_NP_WDATA_OFFSET)
 323 #define PCI_NP_RDATA            IXP4XX_PCI_CSR(PCI_NP_RDATA_OFFSET)
 324 #define PCI_CRP_AD_CBE          IXP4XX_PCI_CSR(PCI_CRP_AD_CBE_OFFSET)
 325 #define PCI_CRP_WDATA           IXP4XX_PCI_CSR(PCI_CRP_WDATA_OFFSET)
 326 #define PCI_CRP_RDATA           IXP4XX_PCI_CSR(PCI_CRP_RDATA_OFFSET)
 327 #define PCI_CSR                 IXP4XX_PCI_CSR(PCI_CSR_OFFSET)
 328 #define PCI_ISR                 IXP4XX_PCI_CSR(PCI_ISR_OFFSET)
 329 #define PCI_INTEN               IXP4XX_PCI_CSR(PCI_INTEN_OFFSET)
 330 #define PCI_DMACTRL             IXP4XX_PCI_CSR(PCI_DMACTRL_OFFSET)
 331 #define PCI_AHBMEMBASE          IXP4XX_PCI_CSR(PCI_AHBMEMBASE_OFFSET)
 332 #define PCI_AHBIOBASE           IXP4XX_PCI_CSR(PCI_AHBIOBASE_OFFSET)
 333 #define PCI_PCIMEMBASE          IXP4XX_PCI_CSR(PCI_PCIMEMBASE_OFFSET)
 334 #define PCI_AHBDOORBELL         IXP4XX_PCI_CSR(PCI_AHBDOORBELL_OFFSET)
 335 #define PCI_PCIDOORBELL         IXP4XX_PCI_CSR(PCI_PCIDOORBELL_OFFSET)
 336 #define PCI_ATPDMA0_AHBADDR     IXP4XX_PCI_CSR(PCI_ATPDMA0_AHBADDR_OFFSET)
 337 #define PCI_ATPDMA0_PCIADDR     IXP4XX_PCI_CSR(PCI_ATPDMA0_PCIADDR_OFFSET)
 338 #define PCI_ATPDMA0_LENADDR     IXP4XX_PCI_CSR(PCI_ATPDMA0_LENADDR_OFFSET)
 339 #define PCI_ATPDMA1_AHBADDR     IXP4XX_PCI_CSR(PCI_ATPDMA1_AHBADDR_OFFSET)
 340 #define PCI_ATPDMA1_PCIADDR     IXP4XX_PCI_CSR(PCI_ATPDMA1_PCIADDR_OFFSET)
 341 #define PCI_ATPDMA1_LENADDR     IXP4XX_PCI_CSR(PCI_ATPDMA1_LENADDR_OFFSET)
 342
 343 /*
 344  * PCI register values and bit definitions
 345  */
 346
 347 /* CSR bit definitions */
 348 #define PCI_CSR_HOST            0x00000001
 349 #define PCI_CSR_ARBEN           0x00000002
 350 #define PCI_CSR_ADS             0x00000004
 351 #define PCI_CSR_PDS             0x00000008
 352 #define PCI_CSR_ABE             0x00000010
 353 #define PCI_CSR_DBT             0x00000020
 354 #define PCI_CSR_ASE             0x00000100
 355 #define PCI_CSR_IC              0x00008000
 356
 357 /* ISR (Interrupt status) Register bit definitions */
 358 #define PCI_ISR_PSE             0x00000001
 359 #define PCI_ISR_PFE             0x00000002
 360 #define PCI_ISR_PPE             0x00000004
 361 #define PCI_ISR_AHBE            0x00000008
 362 #define PCI_ISR_APDC            0x00000010
 363 #define PCI_ISR_PADC            0x00000020
 364 #define PCI_ISR_ADB             0x00000040
 365 #define PCI_ISR_PDB             0x00000080
 366
 367 /* INTEN (Interrupt Enable) Register bit definitions */
 368 #define PCI_INTEN_PSE           0x00000001
 369 #define PCI_INTEN_PFE           0x00000002
 370 #define PCI_INTEN_PPE           0x00000004
 371 #define PCI_INTEN_AHBE          0x00000008
 372 #define PCI_INTEN_APDC          0x00000010
 373 #define PCI_INTEN_PADC          0x00000020
 374 #define PCI_INTEN_ADB           0x00000040
 375 #define PCI_INTEN_PDB           0x00000080
 376
 377 /*
 378  * Shift value for byte enable on NP cmd/byte enable register
 379  */
 380 #define IXP4XX_PCI_NP_CBE_BESL          4
 381
 382 /*
 383  * PCI commands supported by NP access unit
 384  */
 385 #define NP_CMD_IOREAD                   0x2
 386 #define NP_CMD_IOWRITE                  0x3
 387 #define NP_CMD_CONFIGREAD               0xa
 388 #define NP_CMD_CONFIGWRITE              0xb
 389 #define NP_CMD_MEMREAD                  0x6
 390 #define NP_CMD_MEMWRITE                 0x7
 391
 392 /*
 393  * Constants for CRP access into local config space
 394  */
 395 #define CRP_AD_CBE_BESL         20
 396 #define CRP_AD_CBE_WRITE        0x00010000
 397
 398 #define DCMD_LENGTH     0x01fff         /* length mask (max = 8K - 1) */
 399
 400 /* "fuse" bits of IXP_EXP_CFG2 */
 401 /* All IXP4xx CPUs */
 402 #define IXP4XX_FEATURE_RCOMP            (1 << 0)
 403 #define IXP4XX_FEATURE_USB_DEVICE       (1 << 1)
 404 #define IXP4XX_FEATURE_HASH             (1 << 2)
 405 #define IXP4XX_FEATURE_AES              (1 << 3)
 406 #define IXP4XX_FEATURE_DES              (1 << 4)
 407 #define IXP4XX_FEATURE_HDLC             (1 << 5)
 408 #define IXP4XX_FEATURE_AAL              (1 << 6)
 409 #define IXP4XX_FEATURE_HSS              (1 << 7)
 410 #define IXP4XX_FEATURE_UTOPIA           (1 << 8)
 411 #define IXP4XX_FEATURE_NPEB_ETH0        (1 << 9)
 412 #define IXP4XX_FEATURE_NPEC_ETH         (1 << 10)
 413 #define IXP4XX_FEATURE_RESET_NPEA       (1 << 11)
 414 #define IXP4XX_FEATURE_RESET_NPEB       (1 << 12)
 415 #define IXP4XX_FEATURE_RESET_NPEC       (1 << 13)
 416 #define IXP4XX_FEATURE_PCI              (1 << 14)
 417 #define IXP4XX_FEATURE_UTOPIA_PHY_LIMIT (3 << 16)
 418 #define IXP4XX_FEATURE_XSCALE_MAX_FREQ  (3 << 22)
 419 #define IXP42X_FEATURE_MASK             (IXP4XX_FEATURE_RCOMP            | \
 420                                          IXP4XX_FEATURE_USB_DEVICE       | \
 421                                          IXP4XX_FEATURE_HASH             | \
 422                                          IXP4XX_FEATURE_AES              | \
 423                                          IXP4XX_FEATURE_DES              | \
 424                                          IXP4XX_FEATURE_HDLC             | \
 425                                          IXP4XX_FEATURE_AAL              | \
 426                                          IXP4XX_FEATURE_HSS              | \
 427                                          IXP4XX_FEATURE_UTOPIA           | \
 428                                          IXP4XX_FEATURE_NPEB_ETH0        | \
 429                                          IXP4XX_FEATURE_NPEC_ETH         | \
 430                                          IXP4XX_FEATURE_RESET_NPEA       | \
 431                                          IXP4XX_FEATURE_RESET_NPEB       | \
 432                                          IXP4XX_FEATURE_RESET_NPEC       | \
 433                                          IXP4XX_FEATURE_PCI              | \
 434                                          IXP4XX_FEATURE_UTOPIA_PHY_LIMIT | \
 435                                          IXP4XX_FEATURE_XSCALE_MAX_FREQ)
 436
 437
 438 /* IXP43x/46x CPUs */
 439 #define IXP4XX_FEATURE_ECC_TIMESYNC     (1 << 15)
 440 #define IXP4XX_FEATURE_USB_HOST         (1 << 18)
 441 #define IXP4XX_FEATURE_NPEA_ETH         (1 << 19)
 442 #define IXP43X_FEATURE_MASK             (IXP42X_FEATURE_MASK             | \
 443                                          IXP4XX_FEATURE_ECC_TIMESYNC     | \
 444                                          IXP4XX_FEATURE_USB_HOST         | \
 445                                          IXP4XX_FEATURE_NPEA_ETH)
 446
 447 /* IXP46x CPU (including IXP455) only */
 448 #define IXP4XX_FEATURE_NPEB_ETH_1_TO_3  (1 << 20)
 449 #define IXP4XX_FEATURE_RSA              (1 << 21)
 450 #define IXP46X_FEATURE_MASK             (IXP43X_FEATURE_MASK             | \
 451                                          IXP4XX_FEATURE_NPEB_ETH_1_TO_3  | \
 452                                          IXP4XX_FEATURE_RSA)
 453
 454 #endif