Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the flashrom project. |
| 3 | * |
| 4 | * Copyright (C) 2008 Stefan Wildemann <stefan.wildemann@kontron.com> |
| 5 | * Copyright (C) 2008 Claus Gindhart <claus.gindhart@kontron.com> |
| 6 | * Copyright (C) 2008 Dominik Geyer <dominik.geyer@kontron.com> |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 7 | * Copyright (C) 2008 coresystems GmbH <info@coresystems.de> |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * This module is designed for supporting the devices |
| 26 | * ST M25P40 |
| 27 | * ST M25P80 |
| 28 | * ST M25P16 |
| 29 | * ST M25P32 already tested |
| 30 | * ST M25P64 |
| 31 | * AT 25DF321 already tested |
| 32 | * |
| 33 | */ |
| 34 | |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 35 | #include <string.h> |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 36 | #include <sys/mman.h> |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 37 | #include "flash.h" |
| 38 | #include "spi.h" |
| 39 | |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 40 | /* ICH9 controller register definition */ |
| 41 | #define ICH9_REG_FADDR 0x08 /* 32 Bits */ |
| 42 | #define ICH9_REG_FDATA0 0x10 /* 64 Bytes */ |
| 43 | |
| 44 | #define ICH9_REG_SSFS 0x90 /* 08 Bits */ |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 45 | #define SSFS_SCIP 0x00000001 |
| 46 | #define SSFS_CDS 0x00000004 |
| 47 | #define SSFS_FCERR 0x00000008 |
| 48 | #define SSFS_AEL 0x00000010 |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 49 | |
| 50 | #define ICH9_REG_SSFC 0x91 /* 24 Bits */ |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 51 | #define SSFC_SCGO 0x00000200 |
| 52 | #define SSFC_ACS 0x00000400 |
| 53 | #define SSFC_SPOP 0x00000800 |
| 54 | #define SSFC_COP 0x00001000 |
| 55 | #define SSFC_DBC 0x00010000 |
| 56 | #define SSFC_DS 0x00400000 |
| 57 | #define SSFC_SME 0x00800000 |
| 58 | #define SSFC_SCF 0x01000000 |
| 59 | #define SSFC_SCF_20MHZ 0x00000000 |
| 60 | #define SSFC_SCF_33MHZ 0x01000000 |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 61 | |
| 62 | #define ICH9_REG_PREOP 0x94 /* 16 Bits */ |
| 63 | #define ICH9_REG_OPTYPE 0x96 /* 16 Bits */ |
| 64 | #define ICH9_REG_OPMENU 0x98 /* 64 Bits */ |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 65 | |
| 66 | // ICH9R SPI commands |
| 67 | #define SPI_OPCODE_TYPE_READ_NO_ADDRESS 0 |
| 68 | #define SPI_OPCODE_TYPE_WRITE_NO_ADDRESS 1 |
| 69 | #define SPI_OPCODE_TYPE_READ_WITH_ADDRESS 2 |
| 70 | #define SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS 3 |
| 71 | |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 72 | // ICH7 registers |
| 73 | #define ICH7_REG_SPIS 0x00 /* 16 Bits */ |
| 74 | #define SPIS_SCIP 0x00000001 |
| 75 | #define SPIS_CDS 0x00000004 |
| 76 | #define SPIS_FCERR 0x00000008 |
| 77 | |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 78 | /* VIA SPI is compatible with ICH7, but maxdata |
| 79 | to transfer is 16 bytes. |
| 80 | |
| 81 | DATA byte count on ICH7 is 8:13, on VIA 8:11 |
| 82 | |
| 83 | bit 12 is port select CS0 CS1 |
| 84 | bit 13 is FAST READ enable |
| 85 | bit 7 is used with fast read and one shot controls CS de-assert? |
| 86 | */ |
| 87 | |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 88 | #define ICH7_REG_SPIC 0x02 /* 16 Bits */ |
| 89 | #define SPIC_SCGO 0x0002 |
| 90 | #define SPIC_ACS 0x0004 |
| 91 | #define SPIC_SPOP 0x0008 |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 92 | #define SPIC_DS 0x4000 |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 93 | |
| 94 | #define ICH7_REG_SPIA 0x04 /* 32 Bits */ |
| 95 | #define ICH7_REG_SPID0 0x08 /* 64 Bytes */ |
| 96 | #define ICH7_REG_PREOP 0x54 /* 16 Bits */ |
| 97 | #define ICH7_REG_OPTYPE 0x56 /* 16 Bits */ |
| 98 | #define ICH7_REG_OPMENU 0x58 /* 64 Bits */ |
| 99 | |
FENG yu ning | c05a295 | 2008-12-08 18:16:58 +0000 | [diff] [blame] | 100 | /* ICH SPI configuration lock-down. May be set during chipset enabling. */ |
| 101 | int ichspi_lock = 0; |
| 102 | |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 103 | typedef struct _OPCODE { |
| 104 | uint8_t opcode; //This commands spi opcode |
| 105 | uint8_t spi_type; //This commands spi type |
| 106 | uint8_t atomic; //Use preop: (0: none, 1: preop0, 2: preop1 |
| 107 | } OPCODE; |
| 108 | |
| 109 | /* Opcode definition: |
| 110 | * Preop 1: Write Enable |
| 111 | * Preop 2: Write Status register enable |
| 112 | * |
| 113 | * OP 0: Write address |
| 114 | * OP 1: Read Address |
| 115 | * OP 2: ERASE block |
| 116 | * OP 3: Read Status register |
| 117 | * OP 4: Read ID |
| 118 | * OP 5: Write Status register |
| 119 | * OP 6: chip private (read JDEC id) |
| 120 | * OP 7: Chip erase |
| 121 | */ |
| 122 | typedef struct _OPCODES { |
| 123 | uint8_t preop[2]; |
| 124 | OPCODE opcode[8]; |
| 125 | } OPCODES; |
| 126 | |
Stefan Reinauer | 325b5d4 | 2008-06-27 15:18:20 +0000 | [diff] [blame] | 127 | static OPCODES *curopcodes = NULL; |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 128 | |
| 129 | /* HW access functions */ |
Uwe Hermann | 09e04f7 | 2009-05-16 22:36:00 +0000 | [diff] [blame^] | 130 | static uint32_t REGREAD32(int X) |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 131 | { |
| 132 | volatile uint32_t regval; |
Uwe Hermann | 394131e | 2008-10-18 21:14:13 +0000 | [diff] [blame] | 133 | regval = *(volatile uint32_t *)((uint8_t *) spibar + X); |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 134 | return regval; |
| 135 | } |
| 136 | |
Uwe Hermann | 09e04f7 | 2009-05-16 22:36:00 +0000 | [diff] [blame^] | 137 | static uint16_t REGREAD16(int X) |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 138 | { |
| 139 | volatile uint16_t regval; |
Uwe Hermann | 394131e | 2008-10-18 21:14:13 +0000 | [diff] [blame] | 140 | regval = *(volatile uint16_t *)((uint8_t *) spibar + X); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 141 | return regval; |
| 142 | } |
| 143 | |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 144 | #define REGWRITE32(X,Y) (*(uint32_t *)((uint8_t *)spibar+X)=Y) |
| 145 | #define REGWRITE16(X,Y) (*(uint16_t *)((uint8_t *)spibar+X)=Y) |
| 146 | #define REGWRITE8(X,Y) (*(uint8_t *)((uint8_t *)spibar+X)=Y) |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 147 | |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 148 | /* Common SPI functions */ |
Uwe Hermann | 09e04f7 | 2009-05-16 22:36:00 +0000 | [diff] [blame^] | 149 | static int find_opcode(OPCODES *op, uint8_t opcode); |
| 150 | static int find_preop(OPCODES *op, uint8_t preop); |
FENG yu ning | f041e9b | 2008-12-15 02:32:11 +0000 | [diff] [blame] | 151 | static int generate_opcodes(OPCODES * op); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 152 | static int program_opcodes(OPCODES * op); |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 153 | static int run_opcode(OPCODE op, uint32_t offset, |
Stefan Reinauer | 325b5d4 | 2008-06-27 15:18:20 +0000 | [diff] [blame] | 154 | uint8_t datalength, uint8_t * data); |
| 155 | static int ich_spi_read_page(struct flashchip *flash, uint8_t * buf, |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 156 | int offset, int maxdata); |
Stefan Reinauer | 325b5d4 | 2008-06-27 15:18:20 +0000 | [diff] [blame] | 157 | static int ich_spi_write_page(struct flashchip *flash, uint8_t * bytes, |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 158 | int offset, int maxdata); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 159 | |
FENG yu ning | f041e9b | 2008-12-15 02:32:11 +0000 | [diff] [blame] | 160 | /* for pairing opcodes with their required preop */ |
| 161 | struct preop_opcode_pair { |
| 162 | uint8_t preop; |
| 163 | uint8_t opcode; |
| 164 | }; |
| 165 | |
| 166 | struct preop_opcode_pair pops[] = { |
| 167 | {JEDEC_WREN, JEDEC_BYTE_PROGRAM}, |
| 168 | {JEDEC_WREN, JEDEC_SE}, /* sector erase */ |
| 169 | {JEDEC_WREN, JEDEC_BE_52}, /* block erase */ |
| 170 | {JEDEC_WREN, JEDEC_BE_D8}, /* block erase */ |
| 171 | {JEDEC_WREN, JEDEC_CE_60}, /* chip erase */ |
| 172 | {JEDEC_WREN, JEDEC_CE_C7}, /* chip erase */ |
| 173 | {JEDEC_EWSR, JEDEC_WRSR}, |
| 174 | {0,} |
| 175 | }; |
| 176 | |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 177 | OPCODES O_ST_M25P = { |
| 178 | { |
| 179 | JEDEC_WREN, |
Stefan Reinauer | 325b5d4 | 2008-06-27 15:18:20 +0000 | [diff] [blame] | 180 | 0}, |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 181 | { |
Stefan Reinauer | 325b5d4 | 2008-06-27 15:18:20 +0000 | [diff] [blame] | 182 | {JEDEC_BYTE_PROGRAM, SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS, 1}, // Write Byte |
| 183 | {JEDEC_READ, SPI_OPCODE_TYPE_READ_WITH_ADDRESS, 0}, // Read Data |
| 184 | {JEDEC_BE_D8, SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS, 1}, // Erase Sector |
| 185 | {JEDEC_RDSR, SPI_OPCODE_TYPE_READ_NO_ADDRESS, 0}, // Read Device Status Reg |
| 186 | {JEDEC_RES, SPI_OPCODE_TYPE_READ_WITH_ADDRESS, 0}, // Resume Deep Power-Down |
| 187 | {JEDEC_WRSR, SPI_OPCODE_TYPE_WRITE_NO_ADDRESS, 1}, // Write Status Register |
| 188 | {JEDEC_RDID, SPI_OPCODE_TYPE_READ_NO_ADDRESS, 0}, // Read JDEC ID |
| 189 | {JEDEC_CE_C7, SPI_OPCODE_TYPE_WRITE_NO_ADDRESS, 1}, // Bulk erase |
| 190 | } |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 191 | }; |
| 192 | |
FENG yu ning | c05a295 | 2008-12-08 18:16:58 +0000 | [diff] [blame] | 193 | OPCODES O_EXISTING = {}; |
| 194 | |
Uwe Hermann | 09e04f7 | 2009-05-16 22:36:00 +0000 | [diff] [blame^] | 195 | static int find_opcode(OPCODES *op, uint8_t opcode) |
FENG yu ning | c05a295 | 2008-12-08 18:16:58 +0000 | [diff] [blame] | 196 | { |
| 197 | int a; |
| 198 | |
| 199 | for (a = 0; a < 8; a++) { |
| 200 | if (op->opcode[a].opcode == opcode) |
| 201 | return a; |
| 202 | } |
| 203 | |
| 204 | return -1; |
| 205 | } |
| 206 | |
Uwe Hermann | 09e04f7 | 2009-05-16 22:36:00 +0000 | [diff] [blame^] | 207 | static int find_preop(OPCODES *op, uint8_t preop) |
FENG yu ning | c05a295 | 2008-12-08 18:16:58 +0000 | [diff] [blame] | 208 | { |
| 209 | int a; |
| 210 | |
| 211 | for (a = 0; a < 2; a++) { |
| 212 | if (op->preop[a] == preop) |
| 213 | return a; |
| 214 | } |
| 215 | |
| 216 | return -1; |
| 217 | } |
| 218 | |
FENG yu ning | f041e9b | 2008-12-15 02:32:11 +0000 | [diff] [blame] | 219 | static int generate_opcodes(OPCODES * op) |
FENG yu ning | c05a295 | 2008-12-08 18:16:58 +0000 | [diff] [blame] | 220 | { |
FENG yu ning | f041e9b | 2008-12-15 02:32:11 +0000 | [diff] [blame] | 221 | int a, b, i; |
FENG yu ning | c05a295 | 2008-12-08 18:16:58 +0000 | [diff] [blame] | 222 | uint16_t preop, optype; |
| 223 | uint32_t opmenu[2]; |
FENG yu ning | c05a295 | 2008-12-08 18:16:58 +0000 | [diff] [blame] | 224 | |
| 225 | if (op == NULL) { |
| 226 | printf_debug("\n%s: null OPCODES pointer!\n", __FUNCTION__); |
| 227 | return -1; |
| 228 | } |
| 229 | |
| 230 | switch (flashbus) { |
| 231 | case BUS_TYPE_ICH7_SPI: |
| 232 | case BUS_TYPE_VIA_SPI: |
| 233 | preop = REGREAD16(ICH7_REG_PREOP); |
| 234 | optype = REGREAD16(ICH7_REG_OPTYPE); |
| 235 | opmenu[0] = REGREAD32(ICH7_REG_OPMENU); |
| 236 | opmenu[1] = REGREAD32(ICH7_REG_OPMENU + 4); |
| 237 | break; |
| 238 | case BUS_TYPE_ICH9_SPI: |
| 239 | preop = REGREAD16(ICH9_REG_PREOP); |
| 240 | optype = REGREAD16(ICH9_REG_OPTYPE); |
| 241 | opmenu[0] = REGREAD32(ICH9_REG_OPMENU); |
| 242 | opmenu[1] = REGREAD32(ICH9_REG_OPMENU + 4); |
| 243 | break; |
| 244 | default: |
| 245 | printf_debug("%s: unsupported chipset\n", __FUNCTION__); |
| 246 | return -1; |
| 247 | } |
| 248 | |
| 249 | op->preop[0] = (uint8_t) preop; |
| 250 | op->preop[1] = (uint8_t) (preop >> 8); |
| 251 | |
| 252 | for (a = 0; a < 8; a++) { |
| 253 | op->opcode[a].spi_type = (uint8_t) (optype & 0x3); |
| 254 | optype >>= 2; |
| 255 | } |
| 256 | |
| 257 | for (a = 0; a < 4; a++) { |
| 258 | op->opcode[a].opcode = (uint8_t) (opmenu[0] & 0xff); |
| 259 | opmenu[0] >>= 8; |
| 260 | } |
| 261 | |
| 262 | for (a = 4; a < 8; a++) { |
| 263 | op->opcode[a].opcode = (uint8_t) (opmenu[1] & 0xff); |
| 264 | opmenu[1] >>= 8; |
| 265 | } |
| 266 | |
| 267 | /* atomic (link opcode with required pre-op) */ |
| 268 | for (a = 4; a < 8; a++) |
| 269 | op->opcode[a].atomic = 0; |
| 270 | |
FENG yu ning | f041e9b | 2008-12-15 02:32:11 +0000 | [diff] [blame] | 271 | for (i = 0; pops[i].opcode; i++) { |
| 272 | a = find_opcode(op, pops[i].opcode); |
| 273 | b = find_preop(op, pops[i].preop); |
| 274 | if ((a != -1) && (b != -1)) |
| 275 | op->opcode[a].atomic = (uint8_t) ++b; |
FENG yu ning | c05a295 | 2008-12-08 18:16:58 +0000 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | return 0; |
| 279 | } |
| 280 | |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 281 | int program_opcodes(OPCODES * op) |
| 282 | { |
| 283 | uint8_t a; |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 284 | uint16_t preop, optype; |
| 285 | uint32_t opmenu[2]; |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 286 | |
| 287 | /* Program Prefix Opcodes */ |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 288 | /* 0:7 Prefix Opcode 1 */ |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 289 | preop = (op->preop[0]); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 290 | /* 8:16 Prefix Opcode 2 */ |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 291 | preop |= ((uint16_t) op->preop[1]) << 8; |
Uwe Hermann | 394131e | 2008-10-18 21:14:13 +0000 | [diff] [blame] | 292 | |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 293 | /* Program Opcode Types 0 - 7 */ |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 294 | optype = 0; |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 295 | for (a = 0; a < 8; a++) { |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 296 | optype |= ((uint16_t) op->opcode[a].spi_type) << (a * 2); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 297 | } |
Uwe Hermann | 394131e | 2008-10-18 21:14:13 +0000 | [diff] [blame] | 298 | |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 299 | /* Program Allowable Opcodes 0 - 3 */ |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 300 | opmenu[0] = 0; |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 301 | for (a = 0; a < 4; a++) { |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 302 | opmenu[0] |= ((uint32_t) op->opcode[a].opcode) << (a * 8); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 303 | } |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 304 | |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 305 | /*Program Allowable Opcodes 4 - 7 */ |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 306 | opmenu[1] = 0; |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 307 | for (a = 4; a < 8; a++) { |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 308 | opmenu[1] |= ((uint32_t) op->opcode[a].opcode) << ((a - 4) * 8); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 309 | } |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 310 | |
Peter Stuge | 016d4e1 | 2009-01-15 02:13:18 +0000 | [diff] [blame] | 311 | printf_debug("\n%s: preop=%04x optype=%04x opmenu=%08x%08x\n", __func__, preop, optype, opmenu[0], opmenu[1]); |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 312 | switch (flashbus) { |
Uwe Hermann | 394131e | 2008-10-18 21:14:13 +0000 | [diff] [blame] | 313 | case BUS_TYPE_ICH7_SPI: |
| 314 | case BUS_TYPE_VIA_SPI: |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 315 | REGWRITE16(ICH7_REG_PREOP, preop); |
| 316 | REGWRITE16(ICH7_REG_OPTYPE, optype); |
| 317 | REGWRITE32(ICH7_REG_OPMENU, opmenu[0]); |
| 318 | REGWRITE32(ICH7_REG_OPMENU + 4, opmenu[1]); |
| 319 | break; |
| 320 | case BUS_TYPE_ICH9_SPI: |
| 321 | REGWRITE16(ICH9_REG_PREOP, preop); |
| 322 | REGWRITE16(ICH9_REG_OPTYPE, optype); |
| 323 | REGWRITE32(ICH9_REG_OPMENU, opmenu[0]); |
| 324 | REGWRITE32(ICH9_REG_OPMENU + 4, opmenu[1]); |
| 325 | break; |
| 326 | default: |
| 327 | printf_debug("%s: unsupported chipset\n", __FUNCTION__); |
| 328 | return -1; |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 329 | } |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 330 | |
| 331 | return 0; |
| 332 | } |
| 333 | |
FENG yu ning | f041e9b | 2008-12-15 02:32:11 +0000 | [diff] [blame] | 334 | /* This function generates OPCODES from or programs OPCODES to ICH according to |
| 335 | * the chipset's SPI configuration lock. |
FENG yu ning | c05a295 | 2008-12-08 18:16:58 +0000 | [diff] [blame] | 336 | * |
FENG yu ning | f041e9b | 2008-12-15 02:32:11 +0000 | [diff] [blame] | 337 | * It should be called before ICH sends any spi command. |
FENG yu ning | c05a295 | 2008-12-08 18:16:58 +0000 | [diff] [blame] | 338 | */ |
Uwe Hermann | 7b2969b | 2009-04-15 10:52:49 +0000 | [diff] [blame] | 339 | int ich_init_opcodes(void) |
FENG yu ning | c05a295 | 2008-12-08 18:16:58 +0000 | [diff] [blame] | 340 | { |
| 341 | int rc = 0; |
| 342 | OPCODES *curopcodes_done; |
| 343 | |
| 344 | if (curopcodes) |
| 345 | return 0; |
| 346 | |
| 347 | if (ichspi_lock) { |
| 348 | printf_debug("Generating OPCODES... "); |
| 349 | curopcodes_done = &O_EXISTING; |
FENG yu ning | f041e9b | 2008-12-15 02:32:11 +0000 | [diff] [blame] | 350 | rc = generate_opcodes(curopcodes_done); |
FENG yu ning | c05a295 | 2008-12-08 18:16:58 +0000 | [diff] [blame] | 351 | } else { |
| 352 | printf_debug("Programming OPCODES... "); |
| 353 | curopcodes_done = &O_ST_M25P; |
| 354 | rc = program_opcodes(curopcodes_done); |
| 355 | } |
| 356 | |
| 357 | if (rc) { |
| 358 | curopcodes = NULL; |
| 359 | printf_debug("failed\n"); |
| 360 | return 1; |
| 361 | } else { |
| 362 | curopcodes = curopcodes_done; |
| 363 | printf_debug("done\n"); |
| 364 | return 0; |
| 365 | } |
| 366 | } |
| 367 | |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 368 | static int ich7_run_opcode(OPCODE op, uint32_t offset, |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 369 | uint8_t datalength, uint8_t * data, int maxdata) |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 370 | { |
| 371 | int write_cmd = 0; |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 372 | int timeout; |
Peter Stuge | 7e2c079 | 2008-06-29 01:30:41 +0000 | [diff] [blame] | 373 | uint32_t temp32 = 0; |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 374 | uint16_t temp16; |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 375 | uint32_t a; |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 376 | uint64_t opmenu; |
| 377 | int opcode_index; |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 378 | |
| 379 | /* Is it a write command? */ |
| 380 | if ((op.spi_type == SPI_OPCODE_TYPE_WRITE_NO_ADDRESS) |
| 381 | || (op.spi_type == SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS)) { |
| 382 | write_cmd = 1; |
| 383 | } |
| 384 | |
| 385 | /* Programm Offset in Flash into FADDR */ |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 386 | REGWRITE32(ICH7_REG_SPIA, (offset & 0x00FFFFFF)); /* SPI addresses are 24 BIT only */ |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 387 | |
| 388 | /* Program data into FDATA0 to N */ |
| 389 | if (write_cmd && (datalength != 0)) { |
| 390 | temp32 = 0; |
| 391 | for (a = 0; a < datalength; a++) { |
| 392 | if ((a % 4) == 0) { |
| 393 | temp32 = 0; |
| 394 | } |
| 395 | |
| 396 | temp32 |= ((uint32_t) data[a]) << ((a % 4) * 8); |
| 397 | |
| 398 | if ((a % 4) == 3) { |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 399 | REGWRITE32(ICH7_REG_SPID0 + (a - (a % 4)), |
| 400 | temp32); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 401 | } |
| 402 | } |
| 403 | if (((a - 1) % 4) != 3) { |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 404 | REGWRITE32(ICH7_REG_SPID0 + |
| 405 | ((a - 1) - ((a - 1) % 4)), temp32); |
| 406 | } |
| 407 | |
| 408 | } |
| 409 | |
| 410 | /* Assemble SPIS */ |
| 411 | temp16 = 0; |
| 412 | /* clear error status registers */ |
| 413 | temp16 |= (SPIS_CDS + SPIS_FCERR); |
| 414 | REGWRITE16(ICH7_REG_SPIS, temp16); |
| 415 | |
| 416 | /* Assemble SPIC */ |
| 417 | temp16 = 0; |
| 418 | |
| 419 | if (datalength != 0) { |
| 420 | temp16 |= SPIC_DS; |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 421 | temp16 |= ((uint32_t) ((datalength - 1) & (maxdata - 1))) << 8; |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 422 | } |
| 423 | |
| 424 | /* Select opcode */ |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 425 | opmenu = REGREAD32(ICH7_REG_OPMENU); |
| 426 | opmenu |= ((uint64_t)REGREAD32(ICH7_REG_OPMENU + 4)) << 32; |
| 427 | |
Uwe Hermann | 7b2969b | 2009-04-15 10:52:49 +0000 | [diff] [blame] | 428 | for (opcode_index = 0; opcode_index < 8; opcode_index++) { |
| 429 | if ((opmenu & 0xff) == op.opcode) { |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 430 | break; |
| 431 | } |
| 432 | opmenu >>= 8; |
| 433 | } |
| 434 | if (opcode_index == 8) { |
| 435 | printf_debug("Opcode %x not found.\n", op.opcode); |
| 436 | return 1; |
| 437 | } |
| 438 | temp16 |= ((uint16_t) (opcode_index & 0x07)) << 4; |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 439 | |
| 440 | /* Handle Atomic */ |
| 441 | if (op.atomic != 0) { |
| 442 | /* Select atomic command */ |
| 443 | temp16 |= SPIC_ACS; |
Carl-Daniel Hailfinger | 738fdff | 2008-11-18 00:43:14 +0000 | [diff] [blame] | 444 | /* Select prefix opcode */ |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 445 | if ((op.atomic - 1) == 1) { |
| 446 | /*Select prefix opcode 2 */ |
| 447 | temp16 |= SPIC_SPOP; |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | /* Start */ |
| 452 | temp16 |= SPIC_SCGO; |
| 453 | |
| 454 | /* write it */ |
| 455 | REGWRITE16(ICH7_REG_SPIC, temp16); |
| 456 | |
| 457 | /* wait for cycle complete */ |
Carl-Daniel Hailfinger | 4c24ad4 | 2009-05-09 07:24:23 +0000 | [diff] [blame] | 458 | timeout = 100 * 1000 * 60; // 60s is a looong timeout. |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 459 | while (((REGREAD16(ICH7_REG_SPIS) & SPIS_CDS) == 0) && --timeout) { |
Carl-Daniel Hailfinger | 4c24ad4 | 2009-05-09 07:24:23 +0000 | [diff] [blame] | 460 | myusec_delay(10); |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 461 | } |
| 462 | if (!timeout) { |
| 463 | printf_debug("timeout\n"); |
| 464 | } |
| 465 | |
| 466 | if ((REGREAD16(ICH7_REG_SPIS) & SPIS_FCERR) != 0) { |
| 467 | printf_debug("Transaction error!\n"); |
| 468 | return 1; |
| 469 | } |
| 470 | |
| 471 | if ((!write_cmd) && (datalength != 0)) { |
| 472 | for (a = 0; a < datalength; a++) { |
| 473 | if ((a % 4) == 0) { |
| 474 | temp32 = REGREAD32(ICH7_REG_SPID0 + (a)); |
| 475 | } |
| 476 | |
| 477 | data[a] = |
| 478 | (temp32 & (((uint32_t) 0xff) << ((a % 4) * 8))) |
| 479 | >> ((a % 4) * 8); |
| 480 | } |
| 481 | } |
| 482 | |
| 483 | return 0; |
| 484 | } |
| 485 | |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 486 | static int ich9_run_opcode(OPCODE op, uint32_t offset, |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 487 | uint8_t datalength, uint8_t * data) |
| 488 | { |
| 489 | int write_cmd = 0; |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 490 | int timeout; |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 491 | uint32_t temp32; |
| 492 | uint32_t a; |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 493 | uint64_t opmenu; |
| 494 | int opcode_index; |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 495 | |
| 496 | /* Is it a write command? */ |
| 497 | if ((op.spi_type == SPI_OPCODE_TYPE_WRITE_NO_ADDRESS) |
| 498 | || (op.spi_type == SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS)) { |
| 499 | write_cmd = 1; |
| 500 | } |
| 501 | |
| 502 | /* Programm Offset in Flash into FADDR */ |
| 503 | REGWRITE32(ICH9_REG_FADDR, (offset & 0x00FFFFFF)); /* SPI addresses are 24 BIT only */ |
| 504 | |
| 505 | /* Program data into FDATA0 to N */ |
| 506 | if (write_cmd && (datalength != 0)) { |
| 507 | temp32 = 0; |
| 508 | for (a = 0; a < datalength; a++) { |
| 509 | if ((a % 4) == 0) { |
| 510 | temp32 = 0; |
| 511 | } |
| 512 | |
| 513 | temp32 |= ((uint32_t) data[a]) << ((a % 4) * 8); |
| 514 | |
| 515 | if ((a % 4) == 3) { |
| 516 | REGWRITE32(ICH9_REG_FDATA0 + (a - (a % 4)), |
| 517 | temp32); |
| 518 | } |
| 519 | } |
| 520 | if (((a - 1) % 4) != 3) { |
| 521 | REGWRITE32(ICH9_REG_FDATA0 + |
| 522 | ((a - 1) - ((a - 1) % 4)), temp32); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 523 | } |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 524 | } |
| 525 | |
| 526 | /* Assemble SSFS + SSFC */ |
| 527 | temp32 = 0; |
| 528 | |
| 529 | /* clear error status registers */ |
| 530 | temp32 |= (SSFS_CDS + SSFS_FCERR); |
| 531 | /* USE 20 MhZ */ |
| 532 | temp32 |= SSFC_SCF_20MHZ; |
| 533 | |
| 534 | if (datalength != 0) { |
| 535 | uint32_t datatemp; |
| 536 | temp32 |= SSFC_DS; |
| 537 | datatemp = ((uint32_t) ((datalength - 1) & 0x3f)) << (8 + 8); |
| 538 | temp32 |= datatemp; |
| 539 | } |
| 540 | |
| 541 | /* Select opcode */ |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 542 | opmenu = REGREAD32(ICH9_REG_OPMENU); |
| 543 | opmenu |= ((uint64_t)REGREAD32(ICH9_REG_OPMENU + 4)) << 32; |
| 544 | |
Uwe Hermann | 7b2969b | 2009-04-15 10:52:49 +0000 | [diff] [blame] | 545 | for (opcode_index = 0; opcode_index < 8; opcode_index++) { |
| 546 | if ((opmenu & 0xff) == op.opcode) { |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 547 | break; |
| 548 | } |
| 549 | opmenu >>= 8; |
| 550 | } |
| 551 | if (opcode_index == 8) { |
| 552 | printf_debug("Opcode %x not found.\n", op.opcode); |
| 553 | return 1; |
| 554 | } |
| 555 | temp32 |= ((uint32_t) (opcode_index & 0x07)) << (8 + 4); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 556 | |
| 557 | /* Handle Atomic */ |
| 558 | if (op.atomic != 0) { |
| 559 | /* Select atomic command */ |
| 560 | temp32 |= SSFC_ACS; |
| 561 | /* Selct prefix opcode */ |
| 562 | if ((op.atomic - 1) == 1) { |
| 563 | /*Select prefix opcode 2 */ |
| 564 | temp32 |= SSFC_SPOP; |
| 565 | } |
| 566 | } |
| 567 | |
| 568 | /* Start */ |
| 569 | temp32 |= SSFC_SCGO; |
| 570 | |
| 571 | /* write it */ |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 572 | REGWRITE32(ICH9_REG_SSFS, temp32); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 573 | |
| 574 | /*wait for cycle complete */ |
Carl-Daniel Hailfinger | 4c24ad4 | 2009-05-09 07:24:23 +0000 | [diff] [blame] | 575 | timeout = 100 * 1000 * 60; // 60s is a looong timeout. |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 576 | while (((REGREAD32(ICH9_REG_SSFS) & SSFS_CDS) == 0) && --timeout) { |
Carl-Daniel Hailfinger | 4c24ad4 | 2009-05-09 07:24:23 +0000 | [diff] [blame] | 577 | myusec_delay(10); |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 578 | } |
| 579 | if (!timeout) { |
| 580 | printf_debug("timeout\n"); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 581 | } |
| 582 | |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 583 | if ((REGREAD32(ICH9_REG_SSFS) & SSFS_FCERR) != 0) { |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 584 | printf_debug("Transaction error!\n"); |
| 585 | return 1; |
| 586 | } |
| 587 | |
| 588 | if ((!write_cmd) && (datalength != 0)) { |
| 589 | for (a = 0; a < datalength; a++) { |
| 590 | if ((a % 4) == 0) { |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 591 | temp32 = REGREAD32(ICH9_REG_FDATA0 + (a)); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 592 | } |
| 593 | |
| 594 | data[a] = |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 595 | (temp32 & (((uint32_t) 0xff) << ((a % 4) * 8))) |
| 596 | >> ((a % 4) * 8); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 597 | } |
| 598 | } |
| 599 | |
| 600 | return 0; |
| 601 | } |
| 602 | |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 603 | static int run_opcode(OPCODE op, uint32_t offset, |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 604 | uint8_t datalength, uint8_t * data) |
| 605 | { |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 606 | switch (flashbus) { |
| 607 | case BUS_TYPE_VIA_SPI: |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 608 | return ich7_run_opcode(op, offset, datalength, data, 16); |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 609 | case BUS_TYPE_ICH7_SPI: |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 610 | return ich7_run_opcode(op, offset, datalength, data, 64); |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 611 | case BUS_TYPE_ICH9_SPI: |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 612 | return ich9_run_opcode(op, offset, datalength, data); |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 613 | default: |
| 614 | printf_debug("%s: unsupported chipset\n", __FUNCTION__); |
| 615 | } |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 616 | |
| 617 | /* If we ever get here, something really weird happened */ |
| 618 | return -1; |
| 619 | } |
| 620 | |
Uwe Hermann | 394131e | 2008-10-18 21:14:13 +0000 | [diff] [blame] | 621 | static int ich_spi_read_page(struct flashchip *flash, uint8_t * buf, int offset, |
| 622 | int maxdata) |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 623 | { |
| 624 | int page_size = flash->page_size; |
| 625 | uint32_t remaining = flash->page_size; |
| 626 | int a; |
| 627 | |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 628 | printf_debug("ich_spi_read_page: offset=%d, number=%d, buf=%p\n", |
| 629 | offset, page_size, buf); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 630 | |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 631 | for (a = 0; a < page_size; a += maxdata) { |
| 632 | if (remaining < maxdata) { |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 633 | |
Carl-Daniel Hailfinger | 738fdff | 2008-11-18 00:43:14 +0000 | [diff] [blame] | 634 | if (spi_nbyte_read(offset + (page_size - remaining), |
| 635 | &buf[page_size - remaining], remaining)) { |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 636 | printf_debug("Error reading"); |
| 637 | return 1; |
| 638 | } |
| 639 | remaining = 0; |
| 640 | } else { |
Carl-Daniel Hailfinger | 738fdff | 2008-11-18 00:43:14 +0000 | [diff] [blame] | 641 | if (spi_nbyte_read(offset + (page_size - remaining), |
| 642 | &buf[page_size - remaining], maxdata)) { |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 643 | printf_debug("Error reading"); |
| 644 | return 1; |
| 645 | } |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 646 | remaining -= maxdata; |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 647 | } |
| 648 | } |
| 649 | |
| 650 | return 0; |
| 651 | } |
| 652 | |
| 653 | static int ich_spi_write_page(struct flashchip *flash, uint8_t * bytes, |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 654 | int offset, int maxdata) |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 655 | { |
| 656 | int page_size = flash->page_size; |
| 657 | uint32_t remaining = page_size; |
| 658 | int a; |
| 659 | |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 660 | printf_debug("ich_spi_write_page: offset=%d, number=%d, buf=%p\n", |
| 661 | offset, page_size, bytes); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 662 | |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 663 | for (a = 0; a < page_size; a += maxdata) { |
| 664 | if (remaining < maxdata) { |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 665 | if (run_opcode |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 666 | (curopcodes->opcode[0], |
Stefan Reinauer | a9424d5 | 2008-06-27 16:28:34 +0000 | [diff] [blame] | 667 | offset + (page_size - remaining), remaining, |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 668 | &bytes[page_size - remaining]) != 0) { |
| 669 | printf_debug("Error writing"); |
| 670 | return 1; |
| 671 | } |
| 672 | remaining = 0; |
| 673 | } else { |
| 674 | if (run_opcode |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 675 | (curopcodes->opcode[0], |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 676 | offset + (page_size - remaining), maxdata, |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 677 | &bytes[page_size - remaining]) != 0) { |
| 678 | printf_debug("Error writing"); |
| 679 | return 1; |
| 680 | } |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 681 | remaining -= maxdata; |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 682 | } |
| 683 | } |
| 684 | |
| 685 | return 0; |
| 686 | } |
| 687 | |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 688 | int ich_spi_read(struct flashchip *flash, uint8_t * buf) |
| 689 | { |
| 690 | int i, rc = 0; |
| 691 | int total_size = flash->total_size * 1024; |
| 692 | int page_size = flash->page_size; |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 693 | int maxdata = 64; |
| 694 | |
Stefan Reinauer | 2cb94e1 | 2008-06-30 23:45:22 +0000 | [diff] [blame] | 695 | if (flashbus == BUS_TYPE_VIA_SPI) { |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 696 | maxdata = 16; |
| 697 | } |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 698 | |
| 699 | for (i = 0; (i < total_size / page_size) && (rc == 0); i++) { |
| 700 | rc = ich_spi_read_page(flash, (void *)(buf + i * page_size), |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 701 | i * page_size, maxdata); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 702 | } |
| 703 | |
| 704 | return rc; |
| 705 | } |
| 706 | |
Carl-Daniel Hailfinger | 96930c3 | 2009-05-09 02:30:21 +0000 | [diff] [blame] | 707 | int ich_spi_write_256(struct flashchip *flash, uint8_t * buf) |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 708 | { |
| 709 | int i, j, rc = 0; |
| 710 | int total_size = flash->total_size * 1024; |
| 711 | int page_size = flash->page_size; |
| 712 | int erase_size = 64 * 1024; |
Rudolf Marek | 3fdbccf | 2008-06-30 21:38:30 +0000 | [diff] [blame] | 713 | int maxdata = 64; |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 714 | |
| 715 | spi_disable_blockprotect(); |
| 716 | |
| 717 | printf("Programming page: \n"); |
| 718 | |
| 719 | for (i = 0; i < total_size / erase_size; i++) { |
Carl-Daniel Hailfinger | 6afb613 | 2008-11-03 00:02:11 +0000 | [diff] [blame] | 720 | /* FIMXE: call the chip-specific spi_block_erase_XX instead. |
| 721 | * For this, we need to add a block erase function to |
| 722 | * struct flashchip. |
| 723 | */ |
| 724 | rc = spi_block_erase_d8(flash, i * erase_size); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 725 | if (rc) { |
| 726 | printf("Error erasing block at 0x%x\n", i); |
| 727 | break; |
| 728 | } |
Stefan Reinauer | 325b5d4 | 2008-06-27 15:18:20 +0000 | [diff] [blame] | 729 | |
Peter Stuge | 6a21416 | 2008-07-07 05:14:06 +0000 | [diff] [blame] | 730 | if (flashbus == BUS_TYPE_VIA_SPI) |
| 731 | maxdata = 16; |
| 732 | |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 733 | for (j = 0; j < erase_size / page_size; j++) { |
Uwe Hermann | 394131e | 2008-10-18 21:14:13 +0000 | [diff] [blame] | 734 | ich_spi_write_page(flash, |
| 735 | (void *)(buf + (i * erase_size) + (j * page_size)), |
| 736 | (i * erase_size) + (j * page_size), maxdata); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 737 | } |
| 738 | } |
| 739 | |
| 740 | printf("\n"); |
| 741 | |
| 742 | return rc; |
| 743 | } |
| 744 | |
Stefan Reinauer | 325b5d4 | 2008-06-27 15:18:20 +0000 | [diff] [blame] | 745 | int ich_spi_command(unsigned int writecnt, unsigned int readcnt, |
| 746 | const unsigned char *writearr, unsigned char *readarr) |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 747 | { |
| 748 | int a; |
| 749 | int opcode_index = -1; |
| 750 | const unsigned char cmd = *writearr; |
| 751 | OPCODE *opcode; |
| 752 | uint32_t addr = 0; |
| 753 | uint8_t *data; |
| 754 | int count; |
| 755 | |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 756 | /* find cmd in opcodes-table */ |
| 757 | for (a = 0; a < 8; a++) { |
| 758 | if ((curopcodes->opcode[a]).opcode == cmd) { |
| 759 | opcode_index = a; |
| 760 | break; |
| 761 | } |
| 762 | } |
| 763 | |
| 764 | /* unknown / not programmed command */ |
| 765 | if (opcode_index == -1) { |
| 766 | printf_debug("Invalid OPCODE 0x%02x\n", cmd); |
Carl-Daniel Hailfinger | 3e9dbea | 2009-05-13 11:40:08 +0000 | [diff] [blame] | 767 | return SPI_INVALID_OPCODE; |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 768 | } |
| 769 | |
| 770 | opcode = &(curopcodes->opcode[opcode_index]); |
| 771 | |
| 772 | /* if opcode-type requires an address */ |
| 773 | if (opcode->spi_type == SPI_OPCODE_TYPE_READ_WITH_ADDRESS || |
| 774 | opcode->spi_type == SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS) { |
Stefan Reinauer | 325b5d4 | 2008-06-27 15:18:20 +0000 | [diff] [blame] | 775 | addr = (writearr[1] << 16) | |
| 776 | (writearr[2] << 8) | (writearr[3] << 0); |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 777 | } |
Stefan Reinauer | 325b5d4 | 2008-06-27 15:18:20 +0000 | [diff] [blame] | 778 | |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 779 | /* translate read/write array/count */ |
| 780 | if (opcode->spi_type == SPI_OPCODE_TYPE_WRITE_NO_ADDRESS) { |
Stefan Reinauer | 325b5d4 | 2008-06-27 15:18:20 +0000 | [diff] [blame] | 781 | data = (uint8_t *) (writearr + 1); |
| 782 | count = writecnt - 1; |
| 783 | } else if (opcode->spi_type == SPI_OPCODE_TYPE_WRITE_WITH_ADDRESS) { |
| 784 | data = (uint8_t *) (writearr + 4); |
| 785 | count = writecnt - 4; |
| 786 | } else { |
| 787 | data = (uint8_t *) readarr; |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 788 | count = readcnt; |
| 789 | } |
Stefan Reinauer | 325b5d4 | 2008-06-27 15:18:20 +0000 | [diff] [blame] | 790 | |
Stefan Reinauer | 4311956 | 2008-11-02 19:51:50 +0000 | [diff] [blame] | 791 | if (run_opcode(*opcode, addr, count, data) != 0) { |
Dominik Geyer | b46acba | 2008-05-16 12:55:55 +0000 | [diff] [blame] | 792 | printf_debug("run OPCODE 0x%02x failed\n", opcode->opcode); |
| 793 | return 1; |
| 794 | } |
| 795 | |
| 796 | return 0; |
| 797 | } |