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 661