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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 | /* * Copyright 2001 MontaVista Software Inc. * Author: jsun@mvista.com or jsun@junsun.net * * Copyright (C) 2000 Geert Uytterhoeven <geert@sonycom.com> * Sony Software Development Center Europe (SDCE), Brussels * * include/asm-mips/ddb5xxx/ddb5xxx.h * Common header for all NEC DDB 5xxx boards, including 5074, 5476, 5477. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * */ #ifndef __ASM_DDB5XXX_DDB5XXX_H #define __ASM_DDB5XXX_DDB5XXX_H #include <linux/config.h> #include <linux/types.h> /* * This file is based on the following documentation: * * NEC Vrc 5074 System Controller Data Sheet, June 1998 * * [jsun] It is modified so that this file only contains the macros * that are true for all DDB 5xxx boards. The modification is based on * * uPD31577(VRC5477) VR5432-SDRAM/PCI Bridge (Luke) * Preliminary Specification Decoment, Rev 1.1, 27 Dec, 2000 * */ #define DDB_BASE 0xbfa00000 #define DDB_SIZE 0x00200000 /* 2 MB */ /* * Physical Device Address Registers (PDARs) */ #define DDB_SDRAM0 0x0000 /* SDRAM Bank 0 [R/W] */ #define DDB_SDRAM1 0x0008 /* SDRAM Bank 1 [R/W] */ #define DDB_DCS2 0x0010 /* Device Chip-Select 2 [R/W] */ #define DDB_DCS3 0x0018 /* Device Chip-Select 3 [R/W] */ #define DDB_DCS4 0x0020 /* Device Chip-Select 4 [R/W] */ #define DDB_DCS5 0x0028 /* Device Chip-Select 5 [R/W] */ #define DDB_DCS6 0x0030 /* Device Chip-Select 6 [R/W] */ #define DDB_DCS7 0x0038 /* Device Chip-Select 7 [R/W] */ #define DDB_DCS8 0x0040 /* Device Chip-Select 8 [R/W] */ #define DDB_PCIW0 0x0060 /* PCI Address Window 0 [R/W] */ #define DDB_PCIW1 0x0068 /* PCI Address Window 1 [R/W] */ #define DDB_INTCS 0x0070 /* Controller Internal Registers and Devices */ /* [R/W] */ #define DDB_BOOTCS 0x0078 /* Boot ROM Chip-Select [R/W] */ /* Vrc5477 has two more, IOPCIW0, IOPCIW1 */ /* * CPU Interface Registers */ #define DDB_CPUSTAT 0x0080 /* CPU Status [R/W] */ #define DDB_INTCTRL 0x0088 /* Interrupt Control [R/W] */ #define DDB_INTSTAT0 0x0090 /* Interrupt Status 0 [R] */ #define DDB_INTSTAT1 0x0098 /* Interrupt Status 1 and CPU Interrupt */ /* Enable [R/W] */ #define DDB_INTCLR 0x00A0 /* Interrupt Clear [R/W] */ #define DDB_INTPPES 0x00A8 /* PCI Interrupt Control [R/W] */ /* * Memory-Interface Registers */ #define DDB_MEMCTRL 0x00C0 /* Memory Control */ #define DDB_ACSTIME 0x00C8 /* Memory Access Timing [R/W] */ #define DDB_CHKERR 0x00D0 /* Memory Check Error Status [R] */ /* * PCI-Bus Registers */ #define DDB_PCICTRL 0x00E0 /* PCI Control [R/W] */ #define DDB_PCIARB 0x00E8 /* PCI Arbiter [R/W] */ #define DDB_PCIINIT0 0x00F0 /* PCI Master (Initiator) 0 [R/W] */ #define DDB_PCIINIT1 0x00F8 /* PCI Master (Initiator) 1 [R/W] */ #define DDB_PCIERR 0x00B8 /* PCI Error [R/W] */ /* * Local-Bus Registers */ #define DDB_LCNFG 0x0100 /* Local Bus Configuration [R/W] */ #define DDB_LCST2 0x0110 /* Local Bus Chip-Select Timing 2 [R/W] */ #define DDB_LCST3 0x0118 /* Local Bus Chip-Select Timing 3 [R/W] */ #define DDB_LCST4 0x0120 /* Local Bus Chip-Select Timing 4 [R/W] */ #define DDB_LCST5 0x0128 /* Local Bus Chip-Select Timing 5 [R/W] */ #define DDB_LCST6 0x0130 /* Local Bus Chip-Select Timing 6 [R/W] */ #define DDB_LCST7 0x0138 /* Local Bus Chip-Select Timing 7 [R/W] */ #define DDB_LCST8 0x0140 /* Local Bus Chip-Select Timing 8 [R/W] */ #define DDB_DCSFN 0x0150 /* Device Chip-Select Muxing and Output */ /* Enables [R/W] */ #define DDB_DCSIO 0x0158 /* Device Chip-Selects As I/O Bits [R/W] */ #define DDB_BCST 0x0178 /* Local Boot Chip-Select Timing [R/W] */ /* * DMA Registers */ #define DDB_DMACTRL0 0x0180 /* DMA Control 0 [R/W] */ #define DDB_DMASRCA0 0x0188 /* DMA Source Address 0 [R/W] */ #define DDB_DMADESA0 0x0190 /* DMA Destination Address 0 [R/W] */ #define DDB_DMACTRL1 0x0198 /* DMA Control 1 [R/W] */ #define DDB_DMASRCA1 0x01A0 /* DMA Source Address 1 [R/W] */ #define DDB_DMADESA1 0x01A8 /* DMA Destination Address 1 [R/W] */ /* * Timer Registers */ #define DDB_T0CTRL 0x01C0 /* SDRAM Refresh Control [R/W] */ #define DDB_T0CNTR 0x01C8 /* SDRAM Refresh Counter [R/W] */ #define DDB_T1CTRL 0x01D0 /* CPU-Bus Read Time-Out Control [R/W] */ #define DDB_T1CNTR 0x01D8 /* CPU-Bus Read Time-Out Counter [R/W] */ #define DDB_T2CTRL 0x01E0 /* General-Purpose Timer Control [R/W] */ #define DDB_T2CNTR 0x01E8 /* General-Purpose Timer Counter [R/W] */ #define DDB_T3CTRL 0x01F0 /* Watchdog Timer Control [R/W] */ #define DDB_T3CNTR 0x01F8 /* Watchdog Timer Counter [R/W] */ /* * PCI Configuration Space Registers */ #define DDB_PCI_BASE 0x0200 #define DDB_VID 0x0200 /* PCI Vendor ID [R] */ #define DDB_DID 0x0202 /* PCI Device ID [R] */ #define DDB_PCICMD 0x0204 /* PCI Command [R/W] */ #define DDB_PCISTS 0x0206 /* PCI Status [R/W] */ #define DDB_REVID 0x0208 /* PCI Revision ID [R] */ #define DDB_CLASS 0x0209 /* PCI Class Code [R] */ #define DDB_CLSIZ 0x020C /* PCI Cache Line Size [R/W] */ #define DDB_MLTIM 0x020D /* PCI Latency Timer [R/W] */ #define DDB_HTYPE 0x020E /* PCI Header Type [R] */ #define DDB_BIST 0x020F /* BIST [R] (unimplemented) */ #define DDB_BARC 0x0210 /* PCI Base Address Register Control [R/W] */ #define DDB_BAR0 0x0218 /* PCI Base Address Register 0 [R/W] */ #define DDB_BAR1 0x0220 /* PCI Base Address Register 1 [R/W] */ #define DDB_CIS 0x0228 /* PCI Cardbus CIS Pointer [R] */ /* (unimplemented) */ #define DDB_SSVID 0x022C /* PCI Sub-System Vendor ID [R/W] */ #define DDB_SSID 0x022E /* PCI Sub-System ID [R/W] */ #define DDB_ROM 0x0230 /* Expansion ROM Base Address [R] */ /* (unimplemented) */ #define DDB_INTLIN 0x023C /* PCI Interrupt Line [R/W] */ #define DDB_INTPIN 0x023D /* PCI Interrupt Pin [R] */ #define DDB_MINGNT 0x023E /* PCI Min_Gnt [R] (unimplemented) */ #define DDB_MAXLAT 0x023F /* PCI Max_Lat [R] (unimplemented) */ #define DDB_BAR2 0x0240 /* PCI Base Address Register 2 [R/W] */ #define DDB_BAR3 0x0248 /* PCI Base Address Register 3 [R/W] */ #define DDB_BAR4 0x0250 /* PCI Base Address Register 4 [R/W] */ #define DDB_BAR5 0x0258 /* PCI Base Address Register 5 [R/W] */ #define DDB_BAR6 0x0260 /* PCI Base Address Register 6 [R/W] */ #define DDB_BAR7 0x0268 /* PCI Base Address Register 7 [R/W] */ #define DDB_BAR8 0x0270 /* PCI Base Address Register 8 [R/W] */ #define DDB_BARB 0x0278 /* PCI Base Address Register BOOT [R/W] */ /* * Nile 4 Register Access */ static inline void ddb_sync(void) { /* The DDB5074 doesn't seem to like these accesses. They kill the board on * interrupt load */ #ifndef CONFIG_DDB5074 volatile u32 *p = (volatile u32 *)0xbfc00000; (void)(*p); #endif } static inline void ddb_out32(u32 offset, u32 val) { *(volatile u32 *)(DDB_BASE+offset) = val; ddb_sync(); } static inline u32 ddb_in32(u32 offset) { u32 val = *(volatile u32 *)(DDB_BASE+offset); ddb_sync(); return val; } static inline void ddb_out16(u32 offset, u16 val) { *(volatile u16 *)(DDB_BASE+offset) = val; ddb_sync(); } static inline u16 ddb_in16(u32 offset) { u16 val = *(volatile u16 *)(DDB_BASE+offset); ddb_sync(); return val; } static inline void ddb_out8(u32 offset, u8 val) { *(volatile u8 *)(DDB_BASE+offset) = val; ddb_sync(); } static inline u8 ddb_in8(u32 offset) { u8 val = *(volatile u8 *)(DDB_BASE+offset); ddb_sync(); return val; } /* * Physical Device Address Registers */ extern u32 ddb_calc_pdar(u32 phys, u32 size, int width, int on_memory_bus, int pci_visible); extern void ddb_set_pdar(u32 pdar, u32 phys, u32 size, int width, int on_memory_bus, int pci_visible); /* * PCI Master Registers */ #define DDB_PCICMD_IACK 0 /* PCI Interrupt Acknowledge */ #define DDB_PCICMD_IO 1 /* PCI I/O Space */ #define DDB_PCICMD_MEM 3 /* PCI Memory Space */ #define DDB_PCICMD_CFG 5 /* PCI Configuration Space */ /* * additional options for pci init reg (no shifting needed) */ #define DDB_PCI_CFGTYPE1 0x200 /* for pci init0/1 regs */ #define DDB_PCI_ACCESS_32 0x10 /* for pci init0/1 regs */ extern void ddb_set_pmr(u32 pmr, u32 type, u32 addr, u32 options); /* * we need to reset pci bus when we start up and shutdown */ extern void ddb_pci_reset_bus(void); /* * include the board dependent part */ #if defined(CONFIG_DDB5074) #include <asm/ddb5xxx/ddb5074.h> #elif defined(CONFIG_DDB5476) #include <asm/ddb5xxx/ddb5476.h> #elif defined(CONFIG_DDB5477) #include <asm/ddb5xxx/ddb5477.h> #else #error "Unknown DDB board!" #endif #endif /* __ASM_DDB5XXX_DDB5XXX_H */ |