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_EthB_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0x9000)
 136 #define IXP4XX_EthC_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0xA000)
 137 #define IXP4XX_USB_BASE_VIRT            (IXP4XX_PERIPHERAL_BASE_VIRT + 0xB000)
 138 /* ixp46X only */
 139 #define IXP4XX_EthA_BASE_VIRT           (IXP4XX_PERIPHERAL_BASE_VIRT + 0xC000)
 140 #define IXP4XX_EthB1_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0xD000)
 141 #define IXP4XX_EthB2_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0xE000)
 142 #define IXP4XX_EthB3_BASE_VIRT          (IXP4XX_PERIPHERAL_BASE_VIRT + 0xF000)
 143 #define IXP4XX_TIMESYNC_BASE_VIRT       (IXP4XX_PERIPHERAL_BASE_VIRT + 0x10000)
 144 #define IXP4XX_I2C_BASE_VIRT            (IXP4XX_PERIPHERAL_BASE_VIRT + 0x11000)
 145 #define IXP4XX_SSP_BASE_VIRT            (IXP4XX_PERIPHERAL_BASE_VIRT + 0x12000)
 146
 147 /*
 148  * Constants to make it easy to access Timer Control/Status registers
 149  */
 150 #define IXP4XX_OSTS_OFFSET      0x00  /* Continious TimeStamp */
 151 #define IXP4XX_OST1_OFFSET      0x04  /* Timer 1 Timestamp */
 152 #define IXP4XX_OSRT1_OFFSET     0x08  /* Timer 1 Reload */
 153 #define IXP4XX_OST2_OFFSET      0x0C  /* Timer 2 Timestamp */
 154 #define IXP4XX_OSRT2_OFFSET     0x10  /* Timer 2 Reload */
 155 #define IXP4XX_OSWT_OFFSET      0x14  /* Watchdog Timer */
 156 #define IXP4XX_OSWE_OFFSET      0x18  /* Watchdog Enable */
 157 #define IXP4XX_OSWK_OFFSET      0x1C  /* Watchdog Key */
 158 #define IXP4XX_OSST_OFFSET      0x20  /* Timer Status */
 159
 160 /*
 161  * Operating System Timer Register Definitions.
 162  */
 163
 164 #define IXP4XX_TIMER_REG(x) ((volatile u32 *)(IXP4XX_TIMER_BASE_VIRT+(x)))
 165
 166 #define IXP4XX_OSTS     IXP4XX_TIMER_REG(IXP4XX_OSTS_OFFSET)
 167 #define IXP4XX_OST1     IXP4XX_TIMER_REG(IXP4XX_OST1_OFFSET)
 168 #define IXP4XX_OSRT1    IXP4XX_TIMER_REG(IXP4XX_OSRT1_OFFSET)
 169 #define IXP4XX_OST2     IXP4XX_TIMER_REG(IXP4XX_OST2_OFFSET)
 170 #define IXP4XX_OSRT2    IXP4XX_TIMER_REG(IXP4XX_OSRT2_OFFSET)
 171 #define IXP4XX_OSWT     IXP4XX_TIMER_REG(IXP4XX_OSWT_OFFSET)
 172 #define IXP4XX_OSWE     IXP4XX_TIMER_REG(IXP4XX_OSWE_OFFSET)
 173 #define IXP4XX_OSWK     IXP4XX_TIMER_REG(IXP4XX_OSWK_OFFSET)
 174 #define IXP4XX_OSST     IXP4XX_TIMER_REG(IXP4XX_OSST_OFFSET)
 175
 176 /*
 177  * Timer register values and bit definitions
 178  */
 179 #define IXP4XX_OST_ENABLE               0x00000001
 180 #define IXP4XX_OST_ONE_SHOT             0x00000002
 181 /* Low order bits of reload value ignored */
 182 #define IXP4XX_OST_RELOAD_MASK          0x00000003
 183 #define IXP4XX_OST_DISABLED             0x00000000
 184 #define IXP4XX_OSST_TIMER_1_PEND        0x00000001
 185 #define IXP4XX_OSST_TIMER_2_PEND        0x00000002
 186 #define IXP4XX_OSST_TIMER_TS_PEND       0x00000004
 187 #define IXP4XX_OSST_TIMER_WDOG_PEND     0x00000008
 188 #define IXP4XX_OSST_TIMER_WARM_RESET    0x00000010
 189
 190 #define IXP4XX_WDT_KEY                  0x0000482E
 191
 192 #define IXP4XX_WDT_RESET_ENABLE         0x00000001
 193 #define IXP4XX_WDT_IRQ_ENABLE           0x00000002
 194 #define IXP4XX_WDT_COUNT_ENABLE         0x00000004
 195
 196
 197 /*
 198  * Constants to make it easy to access PCI Control/Status registers
 199  */
 200 #define PCI_NP_AD_OFFSET            0x00
 201 #define PCI_NP_CBE_OFFSET           0x04
 202 #define PCI_NP_WDATA_OFFSET         0x08
 203 #define PCI_NP_RDATA_OFFSET         0x0c
 204 #define PCI_CRP_AD_CBE_OFFSET       0x10
 205 #define PCI_CRP_WDATA_OFFSET        0x14
 206 #define PCI_CRP_RDATA_OFFSET        0x18
 207 #define PCI_CSR_OFFSET              0x1c
 208 #define PCI_ISR_OFFSET              0x20
 209 #define PCI_INTEN_OFFSET            0x24
 210 #define PCI_DMACTRL_OFFSET          0x28
 211 #define PCI_AHBMEMBASE_OFFSET       0x2c
 212 #define PCI_AHBIOBASE_OFFSET        0x30
 213 #define PCI_PCIMEMBASE_OFFSET       0x34
 214 #define PCI_AHBDOORBELL_OFFSET      0x38
 215 #define PCI_PCIDOORBELL_OFFSET      0x3C
 216 #define PCI_ATPDMA0_AHBADDR_OFFSET  0x40
 217 #define PCI_ATPDMA0_PCIADDR_OFFSET  0x44
 218 #define PCI_ATPDMA0_LENADDR_OFFSET  0x48
 219 #define PCI_ATPDMA1_AHBADDR_OFFSET  0x4C
 220 #define PCI_ATPDMA1_PCIADDR_OFFSET  0x50
 221 #define PCI_ATPDMA1_LENADDR_OFFSET      0x54
 222
 223 /*
 224  * PCI Control/Status Registers
 225  */
 226 #define IXP4XX_PCI_CSR(x) ((volatile u32 *)(IXP4XX_PCI_CFG_BASE_VIRT+(x)))
 227
 228 #define PCI_NP_AD               IXP4XX_PCI_CSR(PCI_NP_AD_OFFSET)
 229 #define PCI_NP_CBE              IXP4XX_PCI_CSR(PCI_NP_CBE_OFFSET)
 230 #define PCI_NP_WDATA            IXP4XX_PCI_CSR(PCI_NP_WDATA_OFFSET)
 231 #define PCI_NP_RDATA            IXP4XX_PCI_CSR(PCI_NP_RDATA_OFFSET)
 232 #define PCI_CRP_AD_CBE          IXP4XX_PCI_CSR(PCI_CRP_AD_CBE_OFFSET)
 233 #define PCI_CRP_WDATA           IXP4XX_PCI_CSR(PCI_CRP_WDATA_OFFSET)
 234 #define PCI_CRP_RDATA           IXP4XX_PCI_CSR(PCI_CRP_RDATA_OFFSET)
 235 #define PCI_CSR                 IXP4XX_PCI_CSR(PCI_CSR_OFFSET)
 236 #define PCI_ISR                 IXP4XX_PCI_CSR(PCI_ISR_OFFSET)
 237 #define PCI_INTEN               IXP4XX_PCI_CSR(PCI_INTEN_OFFSET)
 238 #define PCI_DMACTRL             IXP4XX_PCI_CSR(PCI_DMACTRL_OFFSET)
 239 #define PCI_AHBMEMBASE          IXP4XX_PCI_CSR(PCI_AHBMEMBASE_OFFSET)
 240 #define PCI_AHBIOBASE           IXP4XX_PCI_CSR(PCI_AHBIOBASE_OFFSET)
 241 #define PCI_PCIMEMBASE          IXP4XX_PCI_CSR(PCI_PCIMEMBASE_OFFSET)
 242 #define PCI_AHBDOORBELL         IXP4XX_PCI_CSR(PCI_AHBDOORBELL_OFFSET)
 243 #define PCI_PCIDOORBELL         IXP4XX_PCI_CSR(PCI_PCIDOORBELL_OFFSET)
 244 #define PCI_ATPDMA0_AHBADDR     IXP4XX_PCI_CSR(PCI_ATPDMA0_AHBADDR_OFFSET)
 245 #define PCI_ATPDMA0_PCIADDR     IXP4XX_PCI_CSR(PCI_ATPDMA0_PCIADDR_OFFSET)
 246 #define PCI_ATPDMA0_LENADDR     IXP4XX_PCI_CSR(PCI_ATPDMA0_LENADDR_OFFSET)
 247 #define PCI_ATPDMA1_AHBADDR     IXP4XX_PCI_CSR(PCI_ATPDMA1_AHBADDR_OFFSET)
 248 #define PCI_ATPDMA1_PCIADDR     IXP4XX_PCI_CSR(PCI_ATPDMA1_PCIADDR_OFFSET)
 249 #define PCI_ATPDMA1_LENADDR     IXP4XX_PCI_CSR(PCI_ATPDMA1_LENADDR_OFFSET)
 250
 251 /*
 252  * PCI register values and bit definitions
 253  */
 254
 255 /* CSR bit definitions */
 256 #define PCI_CSR_HOST            0x00000001
 257 #define PCI_CSR_ARBEN           0x00000002
 258 #define PCI_CSR_ADS             0x00000004
 259 #define PCI_CSR_PDS             0x00000008
 260 #define PCI_CSR_ABE             0x00000010
 261 #define PCI_CSR_DBT             0x00000020
 262 #define PCI_CSR_ASE             0x00000100
 263 #define PCI_CSR_IC              0x00008000
 264
 265 /* ISR (Interrupt status) Register bit definitions */
 266 #define PCI_ISR_PSE             0x00000001
 267 #define PCI_ISR_PFE             0x00000002
 268 #define PCI_ISR_PPE             0x00000004
 269 #define PCI_ISR_AHBE            0x00000008
 270 #define PCI_ISR_APDC            0x00000010
 271 #define PCI_ISR_PADC            0x00000020
 272 #define PCI_ISR_ADB             0x00000040
 273 #define PCI_ISR_PDB             0x00000080
 274
 275 /* INTEN (Interrupt Enable) Register bit definitions */
 276 #define PCI_INTEN_PSE           0x00000001
 277 #define PCI_INTEN_PFE           0x00000002
 278 #define PCI_INTEN_PPE           0x00000004
 279 #define PCI_INTEN_AHBE          0x00000008
 280 #define PCI_INTEN_APDC          0x00000010
 281 #define PCI_INTEN_PADC          0x00000020
 282 #define PCI_INTEN_ADB           0x00000040
 283 #define PCI_INTEN_PDB           0x00000080
 284
 285 /*
 286  * Shift value for byte enable on NP cmd/byte enable register
 287  */
 288 #define IXP4XX_PCI_NP_CBE_BESL          4
 289
 290 /*
 291  * PCI commands supported by NP access unit
 292  */
 293 #define NP_CMD_IOREAD                   0x2
 294 #define NP_CMD_IOWRITE                  0x3
 295 #define NP_CMD_CONFIGREAD               0xa
 296 #define NP_CMD_CONFIGWRITE              0xb
 297 #define NP_CMD_MEMREAD                  0x6
 298 #define NP_CMD_MEMWRITE                 0x7
 299
 300 /*
 301  * Constants for CRP access into local config space
 302  */
 303 #define CRP_AD_CBE_BESL         20
 304 #define CRP_AD_CBE_WRITE        0x00010000
 305
 306 #define DCMD_LENGTH     0x01fff         /* length mask (max = 8K - 1) */
 307
 308 /* "fuse" bits of IXP_EXP_CFG2 */
 309 /* All IXP4xx CPUs */
 310 #define IXP4XX_FEATURE_RCOMP            (1 << 0)
 311 #define IXP4XX_FEATURE_USB_DEVICE       (1 << 1)
 312 #define IXP4XX_FEATURE_HASH             (1 << 2)
 313 #define IXP4XX_FEATURE_AES              (1 << 3)
 314 #define IXP4XX_FEATURE_DES              (1 << 4)
 315 #define IXP4XX_FEATURE_HDLC             (1 << 5)
 316 #define IXP4XX_FEATURE_AAL              (1 << 6)
 317 #define IXP4XX_FEATURE_HSS              (1 << 7)
 318 #define IXP4XX_FEATURE_UTOPIA           (1 << 8)
 319 #define IXP4XX_FEATURE_NPEB_ETH0        (1 << 9)
 320 #define IXP4XX_FEATURE_NPEC_ETH         (1 << 10)
 321 #define IXP4XX_FEATURE_RESET_NPEA       (1 << 11)
 322 #define IXP4XX_FEATURE_RESET_NPEB       (1 << 12)
 323 #define IXP4XX_FEATURE_RESET_NPEC       (1 << 13)
 324 #define IXP4XX_FEATURE_PCI              (1 << 14)
 325 #define IXP4XX_FEATURE_UTOPIA_PHY_LIMIT (3 << 16)
 326 #define IXP4XX_FEATURE_XSCALE_MAX_FREQ  (3 << 22)
 327 #define IXP42X_FEATURE_MASK             (IXP4XX_FEATURE_RCOMP            | \
 328                                          IXP4XX_FEATURE_USB_DEVICE       | \
 329                                          IXP4XX_FEATURE_HASH             | \
 330                                          IXP4XX_FEATURE_AES              | \
 331                                          IXP4XX_FEATURE_DES              | \
 332                                          IXP4XX_FEATURE_HDLC             | \
 333                                          IXP4XX_FEATURE_AAL              | \
 334                                          IXP4XX_FEATURE_HSS              | \
 335                                          IXP4XX_FEATURE_UTOPIA           | \
 336                                          IXP4XX_FEATURE_NPEB_ETH0        | \
 337                                          IXP4XX_FEATURE_NPEC_ETH         | \
 338                                          IXP4XX_FEATURE_RESET_NPEA       | \
 339                                          IXP4XX_FEATURE_RESET_NPEB       | \
 340                                          IXP4XX_FEATURE_RESET_NPEC       | \
 341                                          IXP4XX_FEATURE_PCI              | \
 342                                          IXP4XX_FEATURE_UTOPIA_PHY_LIMIT | \
 343                                          IXP4XX_FEATURE_XSCALE_MAX_FREQ)
 344
 345
 346 /* IXP43x/46x CPUs */
 347 #define IXP4XX_FEATURE_ECC_TIMESYNC     (1 << 15)
 348 #define IXP4XX_FEATURE_USB_HOST         (1 << 18)
 349 #define IXP4XX_FEATURE_NPEA_ETH         (1 << 19)
 350 #define IXP43X_FEATURE_MASK             (IXP42X_FEATURE_MASK             | \
 351                                          IXP4XX_FEATURE_ECC_TIMESYNC     | \
 352                                          IXP4XX_FEATURE_USB_HOST         | \
 353                                          IXP4XX_FEATURE_NPEA_ETH)
 354
 355 /* IXP46x CPU (including IXP455) only */
 356 #define IXP4XX_FEATURE_NPEB_ETH_1_TO_3  (1 << 20)
 357 #define IXP4XX_FEATURE_RSA              (1 << 21)
 358 #define IXP46X_FEATURE_MASK             (IXP43X_FEATURE_MASK             | \
 359                                          IXP4XX_FEATURE_NPEB_ETH_1_TO_3  | \
 360                                          IXP4XX_FEATURE_RSA)
 361
 362 #endif