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  * 0x6000000    0x00004000      ioremap'd       QMgr
  34  *
  35  * 0xC0000000   0x00001000      0xffbff000      PCI CFG
  36  *
  37  * 0xC4000000   0x00001000      0xffbfe000      EXP CFG
  38  *
  39  * 0xC8000000   0x00013000      0xffbeb000      On-Chip Peripherals
  40  */
  41
  42 /*
  43  * Queue Manager
  44  */
  45 #define IXP4XX_QMGR_BASE_PHYS           (0x60000000)
  46 #define IXP4XX_QMGR_REGION_SIZE         (0x00004000)
  47
  48 /*
  49  * Expansion BUS Configuration registers
  50  */
  51 #define IXP4XX_EXP_CFG_BASE_PHYS        (0xC4000000)
  52 #define IXP4XX_EXP_CFG_BASE_VIRT        (0xFFBFE000)
  53 #define IXP4XX_EXP_CFG_REGION_SIZE      (0x00001000)
  54
  55 /*
  56  * PCI Config registers
  57  */
  58 #define IXP4XX_PCI_CFG_BASE_PHYS        (0xC0000000)
  59 #define IXP4XX_PCI_CFG_BASE_VIRT        (0xFFBFF000)
  60 #define IXP4XX_PCI_CFG_REGION_SIZE      (0x00001000)
  61
  62 /*
  63  * Peripheral space
  64  */
  65 #define IXP4XX_PERIPHERAL_BASE_PHYS     (0xC8000000)
  66 #define IXP4XX_PERIPHERAL_BASE_VIRT     (0xFFBEB000)
  67 #define IXP4XX_PERIPHERAL_REGION_SIZE   (0x00013000)
  68
  69 /*
  70  * Debug UART
  71  *
  72  * This is basically a remap of UART1 into a region that is section
  73  * aligned so that it * can be used with the low-level debug code.
  74  */
  75 #define IXP4XX_DEBUG_UART_BASE_PHYS     (0xC8000000)
  76 #define IXP4XX_DEBUG_UART_BASE_VIRT     (0xffb00000)
  77 #define IXP4XX_DEBUG_UART_REGION_SIZE   (0x00001000)
  78
  79 #define IXP4XX_EXP_CS0_OFFSET   0x00
  80 #define IXP4XX_EXP_CS1_OFFSET   0x04
  81 #define IXP4XX_EXP_CS2_OFFSET   0x08
  82 #define IXP4XX_EXP_CS3_OFFSET   0x0C
  83 #define IXP4XX_EXP_CS4_OFFSET   0x10
  84 #define IXP4XX_EXP_CS5_OFFSET   0x14
  85 #define IXP4XX_EXP_CS6_OFFSET   0x18
  86 #define IXP4XX_EXP_CS7_OFFSET   0x1C
  87 #define IXP4XX_EXP_CFG0_OFFSET  0x20
  88 #define IXP4XX_EXP_CFG1_OFFSET  0x24
  89 #define IXP4XX_EXP_CFG2_OFFSET  0x28
  90 #define IXP4XX_EXP_CFG3_OFFSET  0x2C
  91
  92 /*
  93  * Expansion Bus Controller registers.
  94  */
  95 #define IXP4XX_EXP_REG(x) ((volatile u32 *)(IXP4XX_EXP_CFG_BASE_VIRT+(x)))
  96
  97 #define IXP4XX_EXP_CS0      IXP4XX_EXP_REG(IXP4XX_EXP_CS0_OFFSET)
  98 #define IXP4XX_EXP_CS1      IXP4XX_EXP_REG(IXP4XX_EXP_CS1_OFFSET)
  99 #define IXP4XX_EXP_CS2      IXP4XX_EXP_REG(IXP4XX_EXP_CS2_OFFSET)
 100 #define IXP4XX_EXP_CS3      IXP4XX_EXP_REG(IXP4XX_EXP_CS3_OFFSET)
 101 #define IXP4XX_EXP_CS4      IXP4XX_EXP_REG(IXP4XX_EXP_CS4_OFFSET)
 102 #define IXP4XX_EXP_CS5      IXP4XX_EXP_REG(IXP4XX_EXP_CS5_OFFSET)
 103 #define IXP4XX_EXP_CS6      IXP4XX_EXP_REG(IXP4XX_EXP_CS6_OFFSET)
 104 #define IXP4XX_EXP_CS7      IXP4XX_EXP_REG(IXP4XX_EXP_CS7_OFFSET)
 105
 106 #define IXP4XX_EXP_CFG0     IXP4XX_EXP_REG(IXP4XX_EXP_CFG0_OFFSET)
 107 #define IXP4XX_EXP_CFG1     IXP4XX_EXP_REG(IXP4XX_EXP_CFG1_OFFSET)
 108 #define IXP4XX_EXP_CFG2     IXP4XX_EXP_REG(IXP4XX_EXP_CFG2_OFFSET)
 109 #define IXP4XX_EXP_CFG3     IXP4XX_EXP_REG(IXP4XX_EXP_CFG3_OFFSET)
 110
 111
 112 /*
 113  * Peripheral Space Register Region Base Addresses
 114  */
 115 #define IXP4XX_UART1_BASE_PHYS          (IXP4XX_PERIPHERAL_BASE_PHYS + 0x0000)
 116 #define IXP4XX_UART2_BASE_PHYS          (IXP4XX_PERIPHERAL_BASE_PHYS + 0x1000)
 117 #define IXP4XX_PMU_BASE_PHYS            (IXP4XX_PERIPHERAL_BASE_PHYS + 0x2000)
 118 #define IXP4XX_INTC_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0x3000)
 119 #define IXP4XX_GPIO_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0x4000)
 120 #define IXP4XX_TIMER_BASE_PHYS          (IXP4XX_PERIPHERAL_BASE_PHYS + 0x5000)
 121 #define IXP4XX_NPEA_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0x6000)
 122 #define IXP4XX_NPEB_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0x7000)
 123 #define IXP4XX_NPEC_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0x8000)
 124 #define IXP4XX_EthB_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0x9000)
 125 #define IXP4XX_EthC_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0xA000)
 126 #define IXP4XX_USB_BASE_PHYS            (IXP4XX_PERIPHERAL_BASE_PHYS + 0xB000)
 127 /* ixp46X only */
 128 #define IXP4XX_EthA_BASE_PHYS           (IXP4XX_PERIPHERAL_BASE_PHYS + 0xC000)
 129 #define IXP4XX_EthB1_BASE_PHYS          (IXP4XX_PERIPHERAL_BASE_PHYS + 0xD000)
 130 #define IXP4XX_EthB2_BASE_PHYS          (IXP4XX_PERIPHERAL_BASE_PHYS + 0xE000)
 131 #define IXP4XX_EthB3_BASE_PHYS          (IXP4XX_PERIPHERAL_BASE_PHYS + 0xF000)
 132 #define IXP4XX_TIMESYNC_BASE_PHYS       (IXP4XX_PERIPHERAL_BASE_PHYS + 0x10000)
 133 #define IXP4XX_I2C_BASE_PHYS            (IXP4XX_PERIPHERAL_BASE_PHYS + 0x11000)
 134 #define IXP4XX_SSP_BASE_PHYS            (IXP4XX_PERIPHERAL_BASE_PHYS + 0x12000)
 135
 136
 137 #define IXP4XX_UART1_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0x0000)
 138 #define IXP4XX_UART2_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0x1000)
 139 #define IXP4XX_PMU_BASE_VIRT            (IXP4XX_PERIPHERAL_BASE_VIRT + 0x2000)
 140 #define IXP4XX_INTC_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0x3000)
 141 #define IXP4XX_GPIO_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0x4000)
 142 #define IXP4XX_TIMER_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0x5000)
 143 #define IXP4XX_NPEA_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0x6000)
 144 #define IXP4XX_NPEB_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0x7000)
 145 #define IXP4XX_NPEC_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0x8000)
 146 #define IXP4XX_EthB_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0x9000)
 147 #define IXP4XX_EthC_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0xA000)
 148 #define IXP4XX_USB_BASE_VIRT            (IXP4XX_PERIPHERAL_BASE_VIRT + 0xB000)
 149 /* ixp46X only */
 150 #define IXP4XX_EthA_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0xC000)
 151 #define IXP4XX_EthB1_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0xD000)
 152 #define IXP4XX_EthB2_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0xE000)
 153 #define IXP4XX_EthB3_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0xF000)
 154 #define IXP4XX_TIMESYNC_BASE_VIRT       (IXP4XX_PERIPHERAL_BASE_VIRT + 0x10000)
 155 #define IXP4XX_I2C_BASE_VIRT            (IXP4XX_PERIPHERAL_BASE_VIRT + 0x11000)
 156 #define IXP4XX_SSP_BASE_VIRT            (IXP4XX_PERIPHERAL_BASE_VIRT + 0x12000)
 157
 158 /*
 159  * Constants to make it easy to access  Interrupt Controller registers
 160  */
 161 #define IXP4XX_ICPR_OFFSET      0x00 /* Interrupt Status */
 162 #define IXP4XX_ICMR_OFFSET      0x04 /* Interrupt Enable */
 163 #define IXP4XX_ICLR_OFFSET      0x08 /* Interrupt IRQ/FIQ Select */
 164 #define IXP4XX_ICIP_OFFSET      0x0C /* IRQ Status */
 165 #define IXP4XX_ICFP_OFFSET      0x10 /* FIQ Status */
 166 #define IXP4XX_ICHR_OFFSET      0x14 /* Interrupt Priority */
 167 #define IXP4XX_ICIH_OFFSET      0x18 /* IRQ Highest Pri Int */
 168 #define IXP4XX_ICFH_OFFSET      0x1C /* FIQ Highest Pri Int */
 169
 170 /*
 171  * IXP465-only
 172  */
 173 #define IXP4XX_ICPR2_OFFSET     0x20 /* Interrupt Status 2 */
 174 #define IXP4XX_ICMR2_OFFSET     0x24 /* Interrupt Enable 2 */
 175 #define IXP4XX_ICLR2_OFFSET     0x28 /* Interrupt IRQ/FIQ Select 2 */
 176 #define IXP4XX_ICIP2_OFFSET     0x2C /* IRQ Status */
 177 #define IXP4XX_ICFP2_OFFSET     0x30 /* FIQ Status */
 178 #define IXP4XX_ICEEN_OFFSET     0x34 /* Error High Pri Enable */
 179
 180
 181 /*
 182  * Interrupt Controller Register Definitions.
 183  */
 184
 185 #define IXP4XX_INTC_REG(x) ((volatile u32 *)(IXP4XX_INTC_BASE_VIRT+(x)))
 186
 187 #define IXP4XX_ICPR     IXP4XX_INTC_REG(IXP4XX_ICPR_OFFSET)
 188 #define IXP4XX_ICMR     IXP4XX_INTC_REG(IXP4XX_ICMR_OFFSET)
 189 #define IXP4XX_ICLR     IXP4XX_INTC_REG(IXP4XX_ICLR_OFFSET)
 190 #define IXP4XX_ICIP     IXP4XX_INTC_REG(IXP4XX_ICIP_OFFSET)
 191 #define IXP4XX_ICFP     IXP4XX_INTC_REG(IXP4XX_ICFP_OFFSET)
 192 #define IXP4XX_ICHR     IXP4XX_INTC_REG(IXP4XX_ICHR_OFFSET)
 193 #define IXP4XX_ICIH     IXP4XX_INTC_REG(IXP4XX_ICIH_OFFSET)
 194 #define IXP4XX_ICFH     IXP4XX_INTC_REG(IXP4XX_ICFH_OFFSET)
 195 #define IXP4XX_ICPR2    IXP4XX_INTC_REG(IXP4XX_ICPR2_OFFSET)
 196 #define IXP4XX_ICMR2    IXP4XX_INTC_REG(IXP4XX_ICMR2_OFFSET)
 197 #define IXP4XX_ICLR2    IXP4XX_INTC_REG(IXP4XX_ICLR2_OFFSET)
 198 #define IXP4XX_ICIP2    IXP4XX_INTC_REG(IXP4XX_ICIP2_OFFSET)
 199 #define IXP4XX_ICFP2    IXP4XX_INTC_REG(IXP4XX_ICFP2_OFFSET)
 200 #define IXP4XX_ICEEN    IXP4XX_INTC_REG(IXP4XX_ICEEN_OFFSET)
 201
 202 /*
 203  * Constants to make it easy to access GPIO registers
 204  */
 205 #define IXP4XX_GPIO_GPOUTR_OFFSET       0x00
 206 #define IXP4XX_GPIO_GPOER_OFFSET        0x04
 207 #define IXP4XX_GPIO_GPINR_OFFSET        0x08
 208 #define IXP4XX_GPIO_GPISR_OFFSET        0x0C
 209 #define IXP4XX_GPIO_GPIT1R_OFFSET       0x10
 210 #define IXP4XX_GPIO_GPIT2R_OFFSET       0x14
 211 #define IXP4XX_GPIO_GPCLKR_OFFSET       0x18
 212 #define IXP4XX_GPIO_GPDBSELR_OFFSET     0x1C
 213
 214 /*
 215  * GPIO Register Definitions.
 216  * [Only perform 32bit reads/writes]
 217  */
 218 #define IXP4XX_GPIO_REG(x) ((volatile u32 *)(IXP4XX_GPIO_BASE_VIRT+(x)))
 219
 220 #define IXP4XX_GPIO_GPOUTR      IXP4XX_GPIO_REG(IXP4XX_GPIO_GPOUTR_OFFSET)
 221 #define IXP4XX_GPIO_GPOER       IXP4XX_GPIO_REG(IXP4XX_GPIO_GPOER_OFFSET)
 222 #define IXP4XX_GPIO_GPINR       IXP4XX_GPIO_REG(IXP4XX_GPIO_GPINR_OFFSET)
 223 #define IXP4XX_GPIO_GPISR       IXP4XX_GPIO_REG(IXP4XX_GPIO_GPISR_OFFSET)
 224 #define IXP4XX_GPIO_GPIT1R      IXP4XX_GPIO_REG(IXP4XX_GPIO_GPIT1R_OFFSET)
 225 #define IXP4XX_GPIO_GPIT2R      IXP4XX_GPIO_REG(IXP4XX_GPIO_GPIT2R_OFFSET)
 226 #define IXP4XX_GPIO_GPCLKR      IXP4XX_GPIO_REG(IXP4XX_GPIO_GPCLKR_OFFSET)
 227 #define IXP4XX_GPIO_GPDBSELR    IXP4XX_GPIO_REG(IXP4XX_GPIO_GPDBSELR_OFFSET)
 228
 229 /*
 230  * GPIO register bit definitions
 231  */
 232
 233 /* Interrupt styles
 234  */
 235 #define IXP4XX_GPIO_STYLE_ACTIVE_HIGH   0x0
 236 #define IXP4XX_GPIO_STYLE_ACTIVE_LOW    0x1
 237 #define IXP4XX_GPIO_STYLE_RISING_EDGE   0x2
 238 #define IXP4XX_GPIO_STYLE_FALLING_EDGE  0x3
 239 #define IXP4XX_GPIO_STYLE_TRANSITIONAL  0x4
 240
 241 /*
 242  * Mask used to clear interrupt styles
 243  */
 244 #define IXP4XX_GPIO_STYLE_CLEAR         0x7
 245 #define IXP4XX_GPIO_STYLE_SIZE          3
 246
 247 /*
 248  * Constants to make it easy to access Timer Control/Status registers
 249  */
 250 #define IXP4XX_OSTS_OFFSET      0x00  /* Continious TimeStamp */
 251 #define IXP4XX_OST1_OFFSET      0x04  /* Timer 1 Timestamp */
 252 #define IXP4XX_OSRT1_OFFSET     0x08  /* Timer 1 Reload */
 253 #define IXP4XX_OST2_OFFSET      0x0C  /* Timer 2 Timestamp */
 254 #define IXP4XX_OSRT2_OFFSET     0x10  /* Timer 2 Reload */
 255 #define IXP4XX_OSWT_OFFSET      0x14  /* Watchdog Timer */
 256 #define IXP4XX_OSWE_OFFSET      0x18  /* Watchdog Enable */
 257 #define IXP4XX_OSWK_OFFSET      0x1C  /* Watchdog Key */
 258 #define IXP4XX_OSST_OFFSET      0x20  /* Timer Status */
 259
 260 /*
 261  * Operating System Timer Register Definitions.
 262  */
 263
 264 #define IXP4XX_TIMER_REG(x) ((volatile u32 *)(IXP4XX_TIMER_BASE_VIRT+(x)))
 265
 266 #define IXP4XX_OSTS     IXP4XX_TIMER_REG(IXP4XX_OSTS_OFFSET)
 267 #define IXP4XX_OST1     IXP4XX_TIMER_REG(IXP4XX_OST1_OFFSET)
 268 #define IXP4XX_OSRT1    IXP4XX_TIMER_REG(IXP4XX_OSRT1_OFFSET)
 269 #define IXP4XX_OST2     IXP4XX_TIMER_REG(IXP4XX_OST2_OFFSET)
 270 #define IXP4XX_OSRT2    IXP4XX_TIMER_REG(IXP4XX_OSRT2_OFFSET)
 271 #define IXP4XX_OSWT     IXP4XX_TIMER_REG(IXP4XX_OSWT_OFFSET)
 272 #define IXP4XX_OSWE     IXP4XX_TIMER_REG(IXP4XX_OSWE_OFFSET)
 273 #define IXP4XX_OSWK     IXP4XX_TIMER_REG(IXP4XX_OSWK_OFFSET)
 274 #define IXP4XX_OSST     IXP4XX_TIMER_REG(IXP4XX_OSST_OFFSET)
 275
 276 /*
 277  * Timer register values and bit definitions
 278  */
 279 #define IXP4XX_OST_ENABLE               0x00000001
 280 #define IXP4XX_OST_ONE_SHOT             0x00000002
 281 /* Low order bits of reload value ignored */
 282 #define IXP4XX_OST_RELOAD_MASK          0x00000003
 283 #define IXP4XX_OST_DISABLED             0x00000000
 284 #define IXP4XX_OSST_TIMER_1_PEND        0x00000001
 285 #define IXP4XX_OSST_TIMER_2_PEND        0x00000002
 286 #define IXP4XX_OSST_TIMER_TS_PEND       0x00000004
 287 #define IXP4XX_OSST_TIMER_WDOG_PEND     0x00000008
 288 #define IXP4XX_OSST_TIMER_WARM_RESET    0x00000010
 289
 290 #define IXP4XX_WDT_KEY                  0x0000482E
 291
 292 #define IXP4XX_WDT_RESET_ENABLE         0x00000001
 293 #define IXP4XX_WDT_IRQ_ENABLE           0x00000002
 294 #define IXP4XX_WDT_COUNT_ENABLE         0x00000004
 295
 296
 297 /*
 298  * Constants to make it easy to access PCI Control/Status registers
 299  */
 300 #define PCI_NP_AD_OFFSET            0x00
 301 #define PCI_NP_CBE_OFFSET           0x04
 302 #define PCI_NP_WDATA_OFFSET         0x08
 303 #define PCI_NP_RDATA_OFFSET         0x0c
 304 #define PCI_CRP_AD_CBE_OFFSET       0x10
 305 #define PCI_CRP_WDATA_OFFSET        0x14
 306 #define PCI_CRP_RDATA_OFFSET        0x18
 307 #define PCI_CSR_OFFSET              0x1c
 308 #define PCI_ISR_OFFSET              0x20
 309 #define PCI_INTEN_OFFSET            0x24
 310 #define PCI_DMACTRL_OFFSET          0x28
 311 #define PCI_AHBMEMBASE_OFFSET       0x2c
 312 #define PCI_AHBIOBASE_OFFSET        0x30
 313 #define PCI_PCIMEMBASE_OFFSET       0x34
 314 #define PCI_AHBDOORBELL_OFFSET      0x38
 315 #define PCI_PCIDOORBELL_OFFSET      0x3C
 316 #define PCI_ATPDMA0_AHBADDR_OFFSET  0x40
 317 #define PCI_ATPDMA0_PCIADDR_OFFSET  0x44
 318 #define PCI_ATPDMA0_LENADDR_OFFSET  0x48
 319 #define PCI_ATPDMA1_AHBADDR_OFFSET  0x4C
 320 #define PCI_ATPDMA1_PCIADDR_OFFSET  0x50
 321 #define PCI_ATPDMA1_LENADDR_OFFSET      0x54
 322
 323 /*
 324  * PCI Control/Status Registers
 325  */
 326 #define IXP4XX_PCI_CSR(x) ((volatile u32 *)(IXP4XX_PCI_CFG_BASE_VIRT+(x)))
 327
 328 #define PCI_NP_AD               IXP4XX_PCI_CSR(PCI_NP_AD_OFFSET)
 329 #define PCI_NP_CBE              IXP4XX_PCI_CSR(PCI_NP_CBE_OFFSET)
 330 #define PCI_NP_WDATA            IXP4XX_PCI_CSR(PCI_NP_WDATA_OFFSET)
 331 #define PCI_NP_RDATA            IXP4XX_PCI_CSR(PCI_NP_RDATA_OFFSET)
 332 #define PCI_CRP_AD_CBE          IXP4XX_PCI_CSR(PCI_CRP_AD_CBE_OFFSET)
 333 #define PCI_CRP_WDATA           IXP4XX_PCI_CSR(PCI_CRP_WDATA_OFFSET)
 334 #define PCI_CRP_RDATA           IXP4XX_PCI_CSR(PCI_CRP_RDATA_OFFSET)
 335 #define PCI_CSR                 IXP4XX_PCI_CSR(PCI_CSR_OFFSET)
 336 #define PCI_ISR                 IXP4XX_PCI_CSR(PCI_ISR_OFFSET)
 337 #define PCI_INTEN               IXP4XX_PCI_CSR(PCI_INTEN_OFFSET)
 338 #define PCI_DMACTRL             IXP4XX_PCI_CSR(PCI_DMACTRL_OFFSET)
 339 #define PCI_AHBMEMBASE          IXP4XX_PCI_CSR(PCI_AHBMEMBASE_OFFSET)
 340 #define PCI_AHBIOBASE           IXP4XX_PCI_CSR(PCI_AHBIOBASE_OFFSET)
 341 #define PCI_PCIMEMBASE          IXP4XX_PCI_CSR(PCI_PCIMEMBASE_OFFSET)
 342 #define PCI_AHBDOORBELL         IXP4XX_PCI_CSR(PCI_AHBDOORBELL_OFFSET)
 343 #define PCI_PCIDOORBELL         IXP4XX_PCI_CSR(PCI_PCIDOORBELL_OFFSET)
 344 #define PCI_ATPDMA0_AHBADDR     IXP4XX_PCI_CSR(PCI_ATPDMA0_AHBADDR_OFFSET)
 345 #define PCI_ATPDMA0_PCIADDR     IXP4XX_PCI_CSR(PCI_ATPDMA0_PCIADDR_OFFSET)
 346 #define PCI_ATPDMA0_LENADDR     IXP4XX_PCI_CSR(PCI_ATPDMA0_LENADDR_OFFSET)
 347 #define PCI_ATPDMA1_AHBADDR     IXP4XX_PCI_CSR(PCI_ATPDMA1_AHBADDR_OFFSET)
 348 #define PCI_ATPDMA1_PCIADDR     IXP4XX_PCI_CSR(PCI_ATPDMA1_PCIADDR_OFFSET)
 349 #define PCI_ATPDMA1_LENADDR     IXP4XX_PCI_CSR(PCI_ATPDMA1_LENADDR_OFFSET)
 350
 351 /*
 352  * PCI register values and bit definitions
 353  */
 354
 355 /* CSR bit definitions */
 356 #define PCI_CSR_HOST            0x00000001
 357 #define PCI_CSR_ARBEN           0x00000002
 358 #define PCI_CSR_ADS             0x00000004
 359 #define PCI_CSR_PDS             0x00000008
 360 #define PCI_CSR_ABE             0x00000010
 361 #define PCI_CSR_DBT             0x00000020
 362 #define PCI_CSR_ASE             0x00000100
 363 #define PCI_CSR_IC              0x00008000
 364
 365 /* ISR (Interrupt status) Register bit definitions */
 366 #define PCI_ISR_PSE             0x00000001
 367 #define PCI_ISR_PFE             0x00000002
 368 #define PCI_ISR_PPE             0x00000004
 369 #define PCI_ISR_AHBE            0x00000008
 370 #define PCI_ISR_APDC            0x00000010
 371 #define PCI_ISR_PADC            0x00000020
 372 #define PCI_ISR_ADB             0x00000040
 373 #define PCI_ISR_PDB             0x00000080
 374
 375 /* INTEN (Interrupt Enable) Register bit definitions */
 376 #define PCI_INTEN_PSE           0x00000001
 377 #define PCI_INTEN_PFE           0x00000002
 378 #define PCI_INTEN_PPE           0x00000004
 379 #define PCI_INTEN_AHBE          0x00000008
 380 #define PCI_INTEN_APDC          0x00000010
 381 #define PCI_INTEN_PADC          0x00000020
 382 #define PCI_INTEN_ADB           0x00000040
 383 #define PCI_INTEN_PDB           0x00000080
 384
 385 /*
 386  * Shift value for byte enable on NP cmd/byte enable register
 387  */
 388 #define IXP4XX_PCI_NP_CBE_BESL          4
 389
 390 /*
 391  * PCI commands supported by NP access unit
 392  */
 393 #define NP_CMD_IOREAD                   0x2
 394 #define NP_CMD_IOWRITE                  0x3
 395 #define NP_CMD_CONFIGREAD               0xa
 396 #define NP_CMD_CONFIGWRITE              0xb
 397 #define NP_CMD_MEMREAD                  0x6
 398 #define NP_CMD_MEMWRITE                 0x7
 399
 400 /*
 401  * Constants for CRP access into local config space
 402  */
 403 #define CRP_AD_CBE_BESL         20
 404 #define CRP_AD_CBE_WRITE        0x00010000
 405
 406
 407 /*
 408  * USB Device Controller
 409  *
 410  * These are used by the USB gadget driver, so they don't follow the
 411  * IXP4XX_ naming convetions.
 412  *
 413  */
 414 # define IXP4XX_USB_REG(x)       (*((volatile u32 *)(x)))
 415
 416 /* UDC Undocumented - Reserved1 */
 417 #define UDC_RES1        IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0004)
 418 /* UDC Undocumented - Reserved2 */
 419 #define UDC_RES2        IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0008)
 420 /* UDC Undocumented - Reserved3 */
 421 #define UDC_RES3        IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x000C)
 422 /* UDC Control Register */
 423 #define UDCCR           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0000)
 424 /* UDC Endpoint 0 Control/Status Register */
 425 #define UDCCS0          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0010)
 426 /* UDC Endpoint 1 (IN) Control/Status Register */
 427 #define UDCCS1          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0014)
 428 /* UDC Endpoint 2 (OUT) Control/Status Register */
 429 #define UDCCS2          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0018)
 430 /* UDC Endpoint 3 (IN) Control/Status Register */
 431 #define UDCCS3          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x001C)
 432 /* UDC Endpoint 4 (OUT) Control/Status Register */
 433 #define UDCCS4          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0020)
 434 /* UDC Endpoint 5 (Interrupt) Control/Status Register */
 435 #define UDCCS5          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0024)
 436 /* UDC Endpoint 6 (IN) Control/Status Register */
 437 #define UDCCS6          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0028)
 438 /* UDC Endpoint 7 (OUT) Control/Status Register */
 439 #define UDCCS7          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x002C)
 440 /* UDC Endpoint 8 (IN) Control/Status Register */
 441 #define UDCCS8          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0030)
 442 /* UDC Endpoint 9 (OUT) Control/Status Register */
 443 #define UDCCS9          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0034)
 444 /* UDC Endpoint 10 (Interrupt) Control/Status Register */
 445 #define UDCCS10         IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0038)
 446 /* UDC Endpoint 11 (IN) Control/Status Register */
 447 #define UDCCS11         IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x003C)
 448 /* UDC Endpoint 12 (OUT) Control/Status Register */
 449 #define UDCCS12         IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0040)
 450 /* UDC Endpoint 13 (IN) Control/Status Register */
 451 #define UDCCS13         IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0044)
 452 /* UDC Endpoint 14 (OUT) Control/Status Register */
 453 #define UDCCS14         IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0048)
 454 /* UDC Endpoint 15 (Interrupt) Control/Status Register */
 455 #define UDCCS15         IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x004C)
 456 /* UDC Frame Number Register High */
 457 #define UFNRH           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0060)
 458 /* UDC Frame Number Register Low */
 459 #define UFNRL           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0064)
 460 /* UDC Byte Count Reg 2 */
 461 #define UBCR2           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0068)
 462 /* UDC Byte Count Reg 4 */
 463 #define UBCR4           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x006c)
 464 /* UDC Byte Count Reg 7 */
 465 #define UBCR7           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0070)
 466 /* UDC Byte Count Reg 9 */
 467 #define UBCR9           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0074)
 468 /* UDC Byte Count Reg 12 */
 469 #define UBCR12          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0078)
 470 /* UDC Byte Count Reg 14 */
 471 #define UBCR14          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x007c)
 472 /* UDC Endpoint 0 Data Register */
 473 #define UDDR0           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0080)
 474 /* UDC Endpoint 1 Data Register */
 475 #define UDDR1           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0100)
 476 /* UDC Endpoint 2 Data Register */
 477 #define UDDR2           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0180)
 478 /* UDC Endpoint 3 Data Register */
 479 #define UDDR3           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0200)
 480 /* UDC Endpoint 4 Data Register */
 481 #define UDDR4           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0400)
 482 /* UDC Endpoint 5 Data Register */
 483 #define UDDR5           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x00A0)
 484 /* UDC Endpoint 6 Data Register */
 485 #define UDDR6           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0600)
 486 /* UDC Endpoint 7 Data Register */
 487 #define UDDR7           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0680)
 488 /* UDC Endpoint 8 Data Register */
 489 #define UDDR8           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0700)
 490 /* UDC Endpoint 9 Data Register */
 491 #define UDDR9           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0900)
 492 /* UDC Endpoint 10 Data Register */
 493 #define UDDR10          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x00C0)
 494 /* UDC Endpoint 11 Data Register */
 495 #define UDDR11          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0B00)
 496 /* UDC Endpoint 12 Data Register */
 497 #define UDDR12          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0B80)
 498 /* UDC Endpoint 13 Data Register */
 499 #define UDDR13          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0C00)
 500 /* UDC Endpoint 14 Data Register */
 501 #define UDDR14          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0E00)
 502 /* UDC Endpoint 15 Data Register */
 503 #define UDDR15          IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x00E0)
 504 /* UDC Interrupt Control Register 0 */
 505 #define UICR0           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0050)
 506 /* UDC Interrupt Control Register 1 */
 507 #define UICR1           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0054)
 508 /* UDC Status Interrupt Register 0 */
 509 #define USIR0           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0058)
 510 /* UDC Status Interrupt Register 1 */
 511 #define USIR1           IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x005C)
 512
 513 #define UDCCR_UDE       (1 << 0)        /* UDC enable */
 514 #define UDCCR_UDA       (1 << 1)        /* UDC active */
 515 #define UDCCR_RSM       (1 << 2)        /* Device resume */
 516 #define UDCCR_RESIR     (1 << 3)        /* Resume interrupt request */
 517 #define UDCCR_SUSIR     (1 << 4)        /* Suspend interrupt request */
 518 #define UDCCR_SRM       (1 << 5)        /* Suspend/resume interrupt mask */
 519 #define UDCCR_RSTIR     (1 << 6)        /* Reset interrupt request */
 520 #define UDCCR_REM       (1 << 7)        /* Reset interrupt mask */
 521
 522 #define UDCCS0_OPR      (1 << 0)        /* OUT packet ready */
 523 #define UDCCS0_IPR      (1 << 1)        /* IN packet ready */
 524 #define UDCCS0_FTF      (1 << 2)        /* Flush Tx FIFO */
 525 #define UDCCS0_DRWF     (1 << 3)        /* Device remote wakeup feature */
 526 #define UDCCS0_SST      (1 << 4)        /* Sent stall */
 527 #define UDCCS0_FST      (1 << 5)        /* Force stall */
 528 #define UDCCS0_RNE      (1 << 6)        /* Receive FIFO no empty */
 529 #define UDCCS0_SA       (1 << 7)        /* Setup active */
 530
 531 #define UDCCS_BI_TFS    (1 << 0)        /* Transmit FIFO service */
 532 #define UDCCS_BI_TPC    (1 << 1)        /* Transmit packet complete */
 533 #define UDCCS_BI_FTF    (1 << 2)        /* Flush Tx FIFO */
 534 #define UDCCS_BI_TUR    (1 << 3)        /* Transmit FIFO underrun */
 535 #define UDCCS_BI_SST    (1 << 4)        /* Sent stall */
 536 #define UDCCS_BI_FST    (1 << 5)        /* Force stall */
 537 #define UDCCS_BI_TSP    (1 << 7)        /* Transmit short packet */
 538
 539 #define UDCCS_BO_RFS    (1 << 0)        /* Receive FIFO service */
 540 #define UDCCS_BO_RPC    (1 << 1)        /* Receive packet complete */
 541 #define UDCCS_BO_DME    (1 << 3)        /* DMA enable */
 542 #define UDCCS_BO_SST    (1 << 4)        /* Sent stall */
 543 #define UDCCS_BO_FST    (1 << 5)        /* Force stall */
 544 #define UDCCS_BO_RNE    (1 << 6)        /* Receive FIFO not empty */
 545 #define UDCCS_BO_RSP    (1 << 7)        /* Receive short packet */
 546
 547 #define UDCCS_II_TFS    (1 << 0)        /* Transmit FIFO service */
 548 #define UDCCS_II_TPC    (1 << 1)        /* Transmit packet complete */
 549 #define UDCCS_II_FTF    (1 << 2)        /* Flush Tx FIFO */
 550 #define UDCCS_II_TUR    (1 << 3)        /* Transmit FIFO underrun */
 551 #define UDCCS_II_TSP    (1 << 7)        /* Transmit short packet */
 552
 553 #define UDCCS_IO_RFS    (1 << 0)        /* Receive FIFO service */
 554 #define UDCCS_IO_RPC    (1 << 1)        /* Receive packet complete */
 555 #define UDCCS_IO_ROF    (1 << 3)        /* Receive overflow */
 556 #define UDCCS_IO_DME    (1 << 3)        /* DMA enable */
 557 #define UDCCS_IO_RNE    (1 << 6)        /* Receive FIFO not empty */
 558 #define UDCCS_IO_RSP    (1 << 7)        /* Receive short packet */
 559
 560 #define UDCCS_INT_TFS   (1 << 0)        /* Transmit FIFO service */
 561 #define UDCCS_INT_TPC   (1 << 1)        /* Transmit packet complete */
 562 #define UDCCS_INT_FTF   (1 << 2)        /* Flush Tx FIFO */
 563 #define UDCCS_INT_TUR   (1 << 3)        /* Transmit FIFO underrun */
 564 #define UDCCS_INT_SST   (1 << 4)        /* Sent stall */
 565 #define UDCCS_INT_FST   (1 << 5)        /* Force stall */
 566 #define UDCCS_INT_TSP   (1 << 7)        /* Transmit short packet */
 567
 568 #define UICR0_IM0       (1 << 0)        /* Interrupt mask ep 0 */
 569 #define UICR0_IM1       (1 << 1)        /* Interrupt mask ep 1 */
 570 #define UICR0_IM2       (1 << 2)        /* Interrupt mask ep 2 */
 571 #define UICR0_IM3       (1 << 3)        /* Interrupt mask ep 3 */
 572 #define UICR0_IM4       (1 << 4)        /* Interrupt mask ep 4 */
 573 #define UICR0_IM5       (1 << 5)        /* Interrupt mask ep 5 */
 574 #define UICR0_IM6       (1 << 6)        /* Interrupt mask ep 6 */
 575 #define UICR0_IM7       (1 << 7)        /* Interrupt mask ep 7 */
 576
 577 #define UICR1_IM8       (1 << 0)        /* Interrupt mask ep 8 */
 578 #define UICR1_IM9       (1 << 1)        /* Interrupt mask ep 9 */
 579 #define UICR1_IM10      (1 << 2)        /* Interrupt mask ep 10 */
 580 #define UICR1_IM11      (1 << 3)        /* Interrupt mask ep 11 */
 581 #define UICR1_IM12      (1 << 4)        /* Interrupt mask ep 12 */
 582 #define UICR1_IM13      (1 << 5)        /* Interrupt mask ep 13 */
 583 #define UICR1_IM14      (1 << 6)        /* Interrupt mask ep 14 */
 584 #define UICR1_IM15      (1 << 7)        /* Interrupt mask ep 15 */
 585
 586 #define USIR0_IR0       (1 << 0)        /* Interrupt request ep 0 */
 587 #define USIR0_IR1       (1 << 1)        /* Interrupt request ep 1 */
 588 #define USIR0_IR2       (1 << 2)        /* Interrupt request ep 2 */
 589 #define USIR0_IR3       (1 << 3)        /* Interrupt request ep 3 */
 590 #define USIR0_IR4       (1 << 4)        /* Interrupt request ep 4 */
 591 #define USIR0_IR5       (1 << 5)        /* Interrupt request ep 5 */
 592 #define USIR0_IR6       (1 << 6)        /* Interrupt request ep 6 */
 593 #define USIR0_IR7       (1 << 7)        /* Interrupt request ep 7 */
 594
 595 #define USIR1_IR8       (1 << 0)        /* Interrupt request ep 8 */
 596 #define USIR1_IR9       (1 << 1)        /* Interrupt request ep 9 */
 597 #define USIR1_IR10      (1 << 2)        /* Interrupt request ep 10 */
 598 #define USIR1_IR11      (1 << 3)        /* Interrupt request ep 11 */
 599 #define USIR1_IR12      (1 << 4)        /* Interrupt request ep 12 */
 600 #define USIR1_IR13      (1 << 5)        /* Interrupt request ep 13 */
 601 #define USIR1_IR14      (1 << 6)        /* Interrupt request ep 14 */
 602 #define USIR1_IR15      (1 << 7)        /* Interrupt request ep 15 */
 603
 604 #define DCMD_LENGTH     0x01fff         /* length mask (max = 8K - 1) */
 605
 606 /* "fuse" bits of IXP_EXP_CFG2 */
 607 /* All IXP4xx CPUs */
 608 #define IXP4XX_FEATURE_RCOMP            (1 << 0)
 609 #define IXP4XX_FEATURE_USB_DEVICE       (1 << 1)
 610 #define IXP4XX_FEATURE_HASH             (1 << 2)
 611 #define IXP4XX_FEATURE_AES              (1 << 3)
 612 #define IXP4XX_FEATURE_DES              (1 << 4)
 613 #define IXP4XX_FEATURE_HDLC             (1 << 5)
 614 #define IXP4XX_FEATURE_AAL              (1 << 6)
 615 #define IXP4XX_FEATURE_HSS              (1 << 7)
 616 #define IXP4XX_FEATURE_UTOPIA           (1 << 8)
 617 #define IXP4XX_FEATURE_NPEB_ETH0        (1 << 9)
 618 #define IXP4XX_FEATURE_NPEC_ETH         (1 << 10)
 619 #define IXP4XX_FEATURE_RESET_NPEA       (1 << 11)
 620 #define IXP4XX_FEATURE_RESET_NPEB       (1 << 12)
 621 #define IXP4XX_FEATURE_RESET_NPEC       (1 << 13)
 622 #define IXP4XX_FEATURE_PCI              (1 << 14)
 623 #define IXP4XX_FEATURE_UTOPIA_PHY_LIMIT (3 << 16)
 624 #define IXP4XX_FEATURE_XSCALE_MAX_FREQ  (3 << 22)
 625 #define IXP42X_FEATURE_MASK             (IXP4XX_FEATURE_RCOMP            | \
 626                                          IXP4XX_FEATURE_USB_DEVICE       | \
 627                                          IXP4XX_FEATURE_HASH             | \
 628                                          IXP4XX_FEATURE_AES              | \
 629                                          IXP4XX_FEATURE_DES              | \
 630                                          IXP4XX_FEATURE_HDLC             | \
 631                                          IXP4XX_FEATURE_AAL              | \
 632                                          IXP4XX_FEATURE_HSS              | \
 633                                          IXP4XX_FEATURE_UTOPIA           | \
 634                                          IXP4XX_FEATURE_NPEB_ETH0        | \
 635                                          IXP4XX_FEATURE_NPEC_ETH         | \
 636                                          IXP4XX_FEATURE_RESET_NPEA       | \
 637                                          IXP4XX_FEATURE_RESET_NPEB       | \
 638                                          IXP4XX_FEATURE_RESET_NPEC       | \
 639                                          IXP4XX_FEATURE_PCI              | \
 640                                          IXP4XX_FEATURE_UTOPIA_PHY_LIMIT | \
 641                                          IXP4XX_FEATURE_XSCALE_MAX_FREQ)
 642
 643
 644 /* IXP43x/46x CPUs */
 645 #define IXP4XX_FEATURE_ECC_TIMESYNC     (1 << 15)
 646 #define IXP4XX_FEATURE_USB_HOST         (1 << 18)
 647 #define IXP4XX_FEATURE_NPEA_ETH         (1 << 19)
 648 #define IXP43X_FEATURE_MASK             (IXP42X_FEATURE_MASK             | \
 649                                          IXP4XX_FEATURE_ECC_TIMESYNC     | \
 650                                          IXP4XX_FEATURE_USB_HOST         | \
 651                                          IXP4XX_FEATURE_NPEA_ETH)
 652
 653 /* IXP46x CPU (including IXP455) only */
 654 #define IXP4XX_FEATURE_NPEB_ETH_1_TO_3  (1 << 20)
 655 #define IXP4XX_FEATURE_RSA              (1 << 21)
 656 #define IXP46X_FEATURE_MASK             (IXP43X_FEATURE_MASK             | \
 657                                          IXP4XX_FEATURE_NPEB_ETH_1_TO_3  | \
 658                                          IXP4XX_FEATURE_RSA)
 659
 660 #endif