hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the flashrom project. |
| 3 | * |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 4 | * Copyright (C) 2009,2010 Carl-Daniel Hailfinger |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 8 | * the Free Software Foundation; version 2 of the License. |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | */ |
| 19 | |
David Hendricks | 8437700 | 2014-09-09 16:09:31 -0700 | [diff] [blame] | 20 | #include <errno.h> |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 21 | #include <string.h> |
| 22 | #include <stdlib.h> |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 23 | #include "flash.h" |
hailfinger | a872771 | 2010-06-20 10:58:32 +0000 | [diff] [blame] | 24 | #include "chipdrivers.h" |
hailfinger | 428f685 | 2010-07-27 22:41:39 +0000 | [diff] [blame] | 25 | #include "programmer.h" |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 26 | #include "flashchips.h" |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 27 | |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 28 | /* Remove the #define below if you don't want SPI flash chip emulation. */ |
| 29 | #define EMULATE_SPI_CHIP 1 |
| 30 | |
| 31 | #if EMULATE_SPI_CHIP |
| 32 | #define EMULATE_CHIP 1 |
| 33 | #include "spi.h" |
| 34 | #endif |
| 35 | |
| 36 | #if EMULATE_CHIP |
| 37 | #include <sys/types.h> |
| 38 | #include <sys/stat.h> |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 39 | |
| 40 | #if EMULATE_SPI_CHIP |
| 41 | /* The name of variable-size virtual chip. A 4MB flash example: |
| 42 | * flashrom -p dummy:emulate=VARIABLE_SIZE,size=4194304 |
| 43 | */ |
| 44 | #define VARIABLE_SIZE_CHIP_NAME "VARIABLE_SIZE" |
| 45 | #endif |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 46 | #endif |
| 47 | |
| 48 | #if EMULATE_CHIP |
| 49 | static uint8_t *flashchip_contents = NULL; |
| 50 | enum emu_chip { |
| 51 | EMULATE_NONE, |
| 52 | EMULATE_ST_M25P10_RES, |
| 53 | EMULATE_SST_SST25VF040_REMS, |
| 54 | EMULATE_SST_SST25VF032B, |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 55 | EMULATE_VARIABLE_SIZE, |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 56 | }; |
| 57 | static enum emu_chip emu_chip = EMULATE_NONE; |
| 58 | static char *emu_persistent_image = NULL; |
stefanct | c5eb8a9 | 2011-11-23 09:13:48 +0000 | [diff] [blame] | 59 | static unsigned int emu_chip_size = 0; |
Simon Glass | cf253a7 | 2013-07-10 21:10:11 -0700 | [diff] [blame] | 60 | static int emu_modified; /* is the image modified since reading it? */ |
David Hendricks | 0eda2a8 | 2014-09-12 16:32:05 -0700 | [diff] [blame] | 61 | static int erase_to_zero; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 62 | #if EMULATE_SPI_CHIP |
stefanct | c5eb8a9 | 2011-11-23 09:13:48 +0000 | [diff] [blame] | 63 | static unsigned int emu_max_byteprogram_size = 0; |
| 64 | static unsigned int emu_max_aai_size = 0; |
| 65 | static unsigned int emu_jedec_se_size = 0; |
| 66 | static unsigned int emu_jedec_be_52_size = 0; |
| 67 | static unsigned int emu_jedec_be_d8_size = 0; |
| 68 | static unsigned int emu_jedec_ce_60_size = 0; |
| 69 | static unsigned int emu_jedec_ce_c7_size = 0; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 70 | #endif |
| 71 | #endif |
| 72 | |
stefanct | c5eb8a9 | 2011-11-23 09:13:48 +0000 | [diff] [blame] | 73 | static unsigned int spi_write_256_chunksize = 256; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 74 | |
David Hendricks | 8437700 | 2014-09-09 16:09:31 -0700 | [diff] [blame] | 75 | /* If "freq" parameter is passed in from command line, commands will delay |
| 76 | * for this period before returning. */ |
| 77 | static unsigned long int delay_us = 0; |
| 78 | |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 79 | static int dummy_spi_send_command(const struct flashctx *flash, unsigned int writecnt, unsigned int readcnt, |
mkarcher | d264e9e | 2011-05-11 17:07:07 +0000 | [diff] [blame] | 80 | const unsigned char *writearr, unsigned char *readarr); |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 81 | static int dummy_spi_write_256(struct flashctx *flash, uint8_t *buf, |
stefanct | c5eb8a9 | 2011-11-23 09:13:48 +0000 | [diff] [blame] | 82 | unsigned int start, unsigned int len); |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 83 | static void dummy_chip_writeb(const struct flashctx *flash, uint8_t val, |
| 84 | chipaddr addr); |
| 85 | static void dummy_chip_writew(const struct flashctx *flash, uint16_t val, |
| 86 | chipaddr addr); |
| 87 | static void dummy_chip_writel(const struct flashctx *flash, uint32_t val, |
| 88 | chipaddr addr); |
| 89 | static void dummy_chip_writen(const struct flashctx *flash, uint8_t *buf, |
| 90 | chipaddr addr, size_t len); |
| 91 | static uint8_t dummy_chip_readb(const struct flashctx *flash, |
| 92 | const chipaddr addr); |
| 93 | static uint16_t dummy_chip_readw(const struct flashctx *flash, |
| 94 | const chipaddr addr); |
| 95 | static uint32_t dummy_chip_readl(const struct flashctx *flash, |
| 96 | const chipaddr addr); |
| 97 | static void dummy_chip_readn(const struct flashctx *flash, uint8_t *buf, |
| 98 | const chipaddr addr, size_t len); |
mkarcher | d264e9e | 2011-05-11 17:07:07 +0000 | [diff] [blame] | 99 | |
| 100 | static const struct spi_programmer spi_programmer_dummyflasher = { |
uwe | 8d342eb | 2011-07-28 08:13:25 +0000 | [diff] [blame] | 101 | .type = SPI_CONTROLLER_DUMMY, |
| 102 | .max_data_read = MAX_DATA_READ_UNLIMITED, |
| 103 | .max_data_write = MAX_DATA_UNSPECIFIED, |
| 104 | .command = dummy_spi_send_command, |
| 105 | .multicommand = default_spi_send_multicommand, |
| 106 | .read = default_spi_read, |
| 107 | .write_256 = dummy_spi_write_256, |
mkarcher | d264e9e | 2011-05-11 17:07:07 +0000 | [diff] [blame] | 108 | }; |
dhendrix | 0ffc2eb | 2011-06-14 01:35:36 +0000 | [diff] [blame] | 109 | |
hailfinger | 76bb7e9 | 2011-11-09 23:40:00 +0000 | [diff] [blame] | 110 | static const struct par_programmer par_programmer_dummy = { |
| 111 | .chip_readb = dummy_chip_readb, |
| 112 | .chip_readw = dummy_chip_readw, |
| 113 | .chip_readl = dummy_chip_readl, |
| 114 | .chip_readn = dummy_chip_readn, |
| 115 | .chip_writeb = dummy_chip_writeb, |
| 116 | .chip_writew = dummy_chip_writew, |
| 117 | .chip_writel = dummy_chip_writel, |
| 118 | .chip_writen = dummy_chip_writen, |
| 119 | }; |
| 120 | |
| 121 | enum chipbustype dummy_buses_supported = BUS_NONE; |
| 122 | |
dhendrix | 0ffc2eb | 2011-06-14 01:35:36 +0000 | [diff] [blame] | 123 | static int dummy_shutdown(void *data) |
| 124 | { |
| 125 | msg_pspew("%s\n", __func__); |
| 126 | #if EMULATE_CHIP |
| 127 | if (emu_chip != EMULATE_NONE) { |
Simon Glass | cf253a7 | 2013-07-10 21:10:11 -0700 | [diff] [blame] | 128 | if (emu_persistent_image && emu_modified) { |
dhendrix | 0ffc2eb | 2011-06-14 01:35:36 +0000 | [diff] [blame] | 129 | msg_pdbg("Writing %s\n", emu_persistent_image); |
| 130 | write_buf_to_file(flashchip_contents, emu_chip_size, |
| 131 | emu_persistent_image); |
| 132 | } |
| 133 | free(flashchip_contents); |
| 134 | } |
| 135 | #endif |
| 136 | return 0; |
| 137 | } |
| 138 | |
Simon Glass | d2c64a2 | 2013-07-03 22:05:21 +0900 | [diff] [blame] | 139 | /* Values for the 'size' parameter */ |
| 140 | enum { |
| 141 | SIZE_UNKNOWN = -1, |
| 142 | SIZE_AUTO = -2, |
| 143 | }; |
| 144 | |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 145 | int dummy_init(void) |
| 146 | { |
hailfinger | 1ef766d | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 147 | char *bustext = NULL; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 148 | char *tmp = NULL; |
| 149 | #if EMULATE_CHIP |
| 150 | struct stat image_stat; |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 151 | #if EMULATE_SPI_CHIP |
Simon Glass | d2c64a2 | 2013-07-03 22:05:21 +0900 | [diff] [blame] | 152 | int size = SIZE_UNKNOWN; /* size for generic chip */ |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 153 | #endif |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 154 | #endif |
Simon Glass | d2c64a2 | 2013-07-03 22:05:21 +0900 | [diff] [blame] | 155 | int image_size = SIZE_UNKNOWN; |
hailfinger | 1ef766d | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 156 | |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 157 | msg_pspew("%s\n", __func__); |
hailfinger | 668f350 | 2009-06-01 00:02:11 +0000 | [diff] [blame] | 158 | |
hailfinger | ddeb4ac | 2010-07-08 10:13:37 +0000 | [diff] [blame] | 159 | bustext = extract_programmer_param("bus"); |
hailfinger | 1ef766d | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 160 | msg_pdbg("Requested buses are: %s\n", bustext ? bustext : "default"); |
| 161 | if (!bustext) |
| 162 | bustext = strdup("parallel+lpc+fwh+spi"); |
hailfinger | 668f350 | 2009-06-01 00:02:11 +0000 | [diff] [blame] | 163 | /* Convert the parameters to lowercase. */ |
hailfinger | 1ef766d | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 164 | tolower_string(bustext); |
hailfinger | 668f350 | 2009-06-01 00:02:11 +0000 | [diff] [blame] | 165 | |
hailfinger | 76bb7e9 | 2011-11-09 23:40:00 +0000 | [diff] [blame] | 166 | dummy_buses_supported = BUS_NONE; |
hailfinger | 1ef766d | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 167 | if (strstr(bustext, "parallel")) { |
hailfinger | 76bb7e9 | 2011-11-09 23:40:00 +0000 | [diff] [blame] | 168 | dummy_buses_supported |= BUS_PARALLEL; |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 169 | msg_pdbg("Enabling support for %s flash.\n", "parallel"); |
hailfinger | 668f350 | 2009-06-01 00:02:11 +0000 | [diff] [blame] | 170 | } |
hailfinger | 1ef766d | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 171 | if (strstr(bustext, "lpc")) { |
hailfinger | 76bb7e9 | 2011-11-09 23:40:00 +0000 | [diff] [blame] | 172 | dummy_buses_supported |= BUS_LPC; |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 173 | msg_pdbg("Enabling support for %s flash.\n", "LPC"); |
hailfinger | 668f350 | 2009-06-01 00:02:11 +0000 | [diff] [blame] | 174 | } |
hailfinger | 1ef766d | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 175 | if (strstr(bustext, "fwh")) { |
hailfinger | 76bb7e9 | 2011-11-09 23:40:00 +0000 | [diff] [blame] | 176 | dummy_buses_supported |= BUS_FWH; |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 177 | msg_pdbg("Enabling support for %s flash.\n", "FWH"); |
hailfinger | 668f350 | 2009-06-01 00:02:11 +0000 | [diff] [blame] | 178 | } |
hailfinger | 1ef766d | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 179 | if (strstr(bustext, "spi")) { |
hailfinger | 76bb7e9 | 2011-11-09 23:40:00 +0000 | [diff] [blame] | 180 | dummy_buses_supported |= BUS_SPI; |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 181 | msg_pdbg("Enabling support for %s flash.\n", "SPI"); |
hailfinger | 668f350 | 2009-06-01 00:02:11 +0000 | [diff] [blame] | 182 | } |
hailfinger | 76bb7e9 | 2011-11-09 23:40:00 +0000 | [diff] [blame] | 183 | if (dummy_buses_supported == BUS_NONE) |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 184 | msg_pdbg("Support for all flash bus types disabled.\n"); |
hailfinger | 1ef766d | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 185 | free(bustext); |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 186 | |
| 187 | tmp = extract_programmer_param("spi_write_256_chunksize"); |
| 188 | if (tmp) { |
| 189 | spi_write_256_chunksize = atoi(tmp); |
| 190 | free(tmp); |
| 191 | if (spi_write_256_chunksize < 1) { |
| 192 | msg_perr("invalid spi_write_256_chunksize\n"); |
| 193 | return 1; |
| 194 | } |
| 195 | } |
| 196 | |
David Hendricks | 8437700 | 2014-09-09 16:09:31 -0700 | [diff] [blame] | 197 | /* frequency to emulate in Hz (default), KHz, or MHz */ |
| 198 | tmp = extract_programmer_param("freq"); |
| 199 | if (tmp) { |
| 200 | unsigned long int freq; |
| 201 | char *units = tmp; |
| 202 | char *end = tmp + strlen(tmp); |
| 203 | |
| 204 | errno = 0; |
| 205 | freq = strtoul(tmp, &units, 0); |
| 206 | if (errno) { |
| 207 | msg_perr("Invalid frequency \"%s\", %s\n", |
| 208 | tmp, strerror(errno)); |
| 209 | goto dummy_init_out; |
| 210 | } |
| 211 | |
| 212 | if ((units > tmp) && (units < end)) { |
| 213 | int units_valid = 0; |
| 214 | |
| 215 | if (units < end - 3) { |
| 216 | ; |
| 217 | } else if (units == end - 2) { |
| 218 | if (!strcasecmp(units, "hz")) |
| 219 | units_valid = 1; |
| 220 | } else if (units == end - 3) { |
| 221 | if (!strcasecmp(units, "khz")) { |
| 222 | freq *= 1000; |
| 223 | units_valid = 1; |
| 224 | } else if (!strcasecmp(units, "mhz")) { |
| 225 | freq *= 1000000; |
| 226 | units_valid = 1; |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | if (!units_valid) { |
| 231 | msg_perr("Invalid units: %s\n", units); |
| 232 | return 1; |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | /* Assume we only work with bytes and transfer at 1 bit/Hz */ |
| 237 | delay_us = (1000000 * 8) / freq; |
| 238 | } |
| 239 | |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 240 | #if EMULATE_CHIP |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 241 | #if EMULATE_SPI_CHIP |
| 242 | tmp = extract_programmer_param("size"); |
| 243 | if (tmp) { |
| 244 | int multiplier = 1; |
Simon Glass | d2c64a2 | 2013-07-03 22:05:21 +0900 | [diff] [blame] | 245 | if (!strcmp(tmp, "auto")) |
| 246 | size = SIZE_AUTO; |
| 247 | else if (strlen(tmp)) { |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 248 | int remove_last_char = 1; |
| 249 | switch (tmp[strlen(tmp) - 1]) { |
| 250 | case 'k': case 'K': |
| 251 | multiplier = 1024; |
| 252 | break; |
| 253 | case 'm': case 'M': |
| 254 | multiplier = 1024 * 1024; |
| 255 | break; |
| 256 | default: |
| 257 | remove_last_char = 0; |
| 258 | break; |
| 259 | } |
| 260 | if (remove_last_char) tmp[strlen(tmp) - 1] = '\0'; |
Simon Glass | d2c64a2 | 2013-07-03 22:05:21 +0900 | [diff] [blame] | 261 | size = atoi(tmp) * multiplier; |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 262 | } |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 263 | } |
| 264 | #endif |
| 265 | |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 266 | tmp = extract_programmer_param("emulate"); |
| 267 | if (!tmp) { |
| 268 | msg_pdbg("Not emulating any flash chip.\n"); |
| 269 | /* Nothing else to do. */ |
dhendrix | 0ffc2eb | 2011-06-14 01:35:36 +0000 | [diff] [blame] | 270 | goto dummy_init_out; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 271 | } |
David Hendricks | 8437700 | 2014-09-09 16:09:31 -0700 | [diff] [blame] | 272 | |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 273 | #if EMULATE_SPI_CHIP |
| 274 | if (!strcmp(tmp, "M25P10.RES")) { |
| 275 | emu_chip = EMULATE_ST_M25P10_RES; |
| 276 | emu_chip_size = 128 * 1024; |
| 277 | emu_max_byteprogram_size = 128; |
| 278 | emu_max_aai_size = 0; |
| 279 | emu_jedec_se_size = 0; |
| 280 | emu_jedec_be_52_size = 0; |
| 281 | emu_jedec_be_d8_size = 32 * 1024; |
| 282 | emu_jedec_ce_60_size = 0; |
| 283 | emu_jedec_ce_c7_size = emu_chip_size; |
| 284 | msg_pdbg("Emulating ST M25P10.RES SPI flash chip (RES, page " |
| 285 | "write)\n"); |
| 286 | } |
| 287 | if (!strcmp(tmp, "SST25VF040.REMS")) { |
| 288 | emu_chip = EMULATE_SST_SST25VF040_REMS; |
| 289 | emu_chip_size = 512 * 1024; |
| 290 | emu_max_byteprogram_size = 1; |
| 291 | emu_max_aai_size = 0; |
| 292 | emu_jedec_se_size = 4 * 1024; |
| 293 | emu_jedec_be_52_size = 32 * 1024; |
| 294 | emu_jedec_be_d8_size = 0; |
| 295 | emu_jedec_ce_60_size = emu_chip_size; |
| 296 | emu_jedec_ce_c7_size = 0; |
| 297 | msg_pdbg("Emulating SST SST25VF040.REMS SPI flash chip (REMS, " |
| 298 | "byte write)\n"); |
| 299 | } |
| 300 | if (!strcmp(tmp, "SST25VF032B")) { |
| 301 | emu_chip = EMULATE_SST_SST25VF032B; |
| 302 | emu_chip_size = 4 * 1024 * 1024; |
| 303 | emu_max_byteprogram_size = 1; |
| 304 | emu_max_aai_size = 2; |
| 305 | emu_jedec_se_size = 4 * 1024; |
| 306 | emu_jedec_be_52_size = 32 * 1024; |
| 307 | emu_jedec_be_d8_size = 64 * 1024; |
| 308 | emu_jedec_ce_60_size = emu_chip_size; |
| 309 | emu_jedec_ce_c7_size = emu_chip_size; |
| 310 | msg_pdbg("Emulating SST SST25VF032B SPI flash chip (RDID, AAI " |
| 311 | "write)\n"); |
| 312 | } |
Simon Glass | d2c64a2 | 2013-07-03 22:05:21 +0900 | [diff] [blame] | 313 | emu_persistent_image = extract_programmer_param("image"); |
| 314 | if (!stat(emu_persistent_image, &image_stat)) |
| 315 | image_size = image_stat.st_size; |
| 316 | |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 317 | if (!strncmp(tmp, VARIABLE_SIZE_CHIP_NAME, |
| 318 | strlen(VARIABLE_SIZE_CHIP_NAME))) { |
Simon Glass | d2c64a2 | 2013-07-03 22:05:21 +0900 | [diff] [blame] | 319 | if (size == SIZE_UNKNOWN) { |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 320 | msg_perr("%s: the size parameter is not given.\n", |
| 321 | __func__); |
| 322 | free(tmp); |
| 323 | return 1; |
Simon Glass | d2c64a2 | 2013-07-03 22:05:21 +0900 | [diff] [blame] | 324 | } else if (size == SIZE_AUTO) { |
| 325 | if (image_size == SIZE_UNKNOWN) { |
| 326 | msg_perr("%s: no image so cannot use automatic size.\n", |
| 327 | __func__); |
| 328 | free(tmp); |
| 329 | return 1; |
| 330 | } |
| 331 | size = image_size; |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 332 | } |
| 333 | emu_chip = EMULATE_VARIABLE_SIZE; |
| 334 | emu_chip_size = size; |
| 335 | emu_max_byteprogram_size = 256; |
| 336 | emu_max_aai_size = 0; |
| 337 | emu_jedec_se_size = 4 * 1024; |
| 338 | emu_jedec_be_52_size = 32 * 1024; |
| 339 | emu_jedec_be_d8_size = 64 * 1024; |
| 340 | emu_jedec_ce_60_size = emu_chip_size; |
| 341 | emu_jedec_ce_c7_size = emu_chip_size; |
| 342 | msg_pdbg("Emulating generic SPI flash chip (size=%d bytes)\n", |
| 343 | emu_chip_size); |
| 344 | } |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 345 | #endif |
| 346 | if (emu_chip == EMULATE_NONE) { |
| 347 | msg_perr("Invalid chip specified for emulation: %s\n", tmp); |
| 348 | free(tmp); |
| 349 | return 1; |
| 350 | } |
David Hendricks | 0eda2a8 | 2014-09-12 16:32:05 -0700 | [diff] [blame] | 351 | |
| 352 | /* Should emulated flash erase to zero (yes/no)? */ |
| 353 | tmp = extract_programmer_param("erase_to_zero"); |
| 354 | if (tmp) { |
| 355 | if (!strcmp(tmp, "yes")) { |
| 356 | msg_pdbg("Emulated chip will erase to 0x00\n"); |
| 357 | erase_to_zero = 1; |
| 358 | } else if (!strcmp(tmp, "no")) { |
| 359 | msg_pdbg("Emulated chip will erase to 0xff\n"); |
| 360 | } else { |
| 361 | msg_perr("erase_to_zero can be \"yes\" or \"no\"\n"); |
| 362 | return 1; |
| 363 | } |
| 364 | } |
| 365 | |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 366 | free(tmp); |
| 367 | flashchip_contents = malloc(emu_chip_size); |
| 368 | if (!flashchip_contents) { |
| 369 | msg_perr("Out of memory!\n"); |
| 370 | return 1; |
| 371 | } |
dhendrix | 0ffc2eb | 2011-06-14 01:35:36 +0000 | [diff] [blame] | 372 | |
David Hendricks | 0eda2a8 | 2014-09-12 16:32:05 -0700 | [diff] [blame] | 373 | msg_pdbg("Filling fake flash chip with 0x%02x, size %i\n", |
| 374 | erase_to_zero ? 0x00 : 0xff, emu_chip_size); |
| 375 | memset(flashchip_contents, erase_to_zero ? 0x00 : 0xff, emu_chip_size); |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 376 | |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 377 | if (!emu_persistent_image) { |
| 378 | /* Nothing else to do. */ |
dhendrix | 0ffc2eb | 2011-06-14 01:35:36 +0000 | [diff] [blame] | 379 | goto dummy_init_out; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 380 | } |
| 381 | if (!stat(emu_persistent_image, &image_stat)) { |
| 382 | msg_pdbg("Found persistent image %s, size %li ", |
| 383 | emu_persistent_image, (long)image_stat.st_size); |
| 384 | if (image_stat.st_size == emu_chip_size) { |
| 385 | msg_pdbg("matches.\n"); |
| 386 | msg_pdbg("Reading %s\n", emu_persistent_image); |
| 387 | read_buf_from_file(flashchip_contents, emu_chip_size, |
| 388 | emu_persistent_image); |
| 389 | } else { |
| 390 | msg_pdbg("doesn't match.\n"); |
| 391 | } |
| 392 | } |
| 393 | #endif |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 394 | |
dhendrix | 0ffc2eb | 2011-06-14 01:35:36 +0000 | [diff] [blame] | 395 | dummy_init_out: |
| 396 | if (register_shutdown(dummy_shutdown, NULL)) { |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 397 | free(flashchip_contents); |
dhendrix | 0ffc2eb | 2011-06-14 01:35:36 +0000 | [diff] [blame] | 398 | return 1; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 399 | } |
hailfinger | 76bb7e9 | 2011-11-09 23:40:00 +0000 | [diff] [blame] | 400 | if (dummy_buses_supported & (BUS_PARALLEL | BUS_LPC | BUS_FWH)) |
| 401 | register_par_programmer(&par_programmer_dummy, |
| 402 | dummy_buses_supported & |
| 403 | (BUS_PARALLEL | BUS_LPC | |
| 404 | BUS_FWH)); |
| 405 | if (dummy_buses_supported & BUS_SPI) |
| 406 | register_spi_programmer(&spi_programmer_dummyflasher); |
| 407 | |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 408 | return 0; |
| 409 | } |
| 410 | |
hailfinger | 11ae3c4 | 2009-05-11 14:13:25 +0000 | [diff] [blame] | 411 | void *dummy_map(const char *descr, unsigned long phys_addr, size_t len) |
| 412 | { |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 413 | msg_pspew("%s: Mapping %s, 0x%lx bytes at 0x%08lx\n", |
| 414 | __func__, descr, (unsigned long)len, phys_addr); |
hailfinger | 11ae3c4 | 2009-05-11 14:13:25 +0000 | [diff] [blame] | 415 | return (void *)phys_addr; |
| 416 | } |
| 417 | |
| 418 | void dummy_unmap(void *virt_addr, size_t len) |
| 419 | { |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 420 | msg_pspew("%s: Unmapping 0x%lx bytes at %p\n", |
| 421 | __func__, (unsigned long)len, virt_addr); |
hailfinger | 11ae3c4 | 2009-05-11 14:13:25 +0000 | [diff] [blame] | 422 | } |
| 423 | |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 424 | void dummy_chip_writeb(const struct flashctx *flash, uint8_t val, chipaddr addr) |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 425 | { |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 426 | msg_pspew("%s: addr=0x%lx, val=0x%02x\n", __func__, addr, val); |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 427 | } |
| 428 | |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 429 | void dummy_chip_writew(const struct flashctx *flash, uint16_t val, chipaddr addr) |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 430 | { |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 431 | msg_pspew("%s: addr=0x%lx, val=0x%04x\n", __func__, addr, val); |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 432 | } |
| 433 | |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 434 | void dummy_chip_writel(const struct flashctx *flash, uint32_t val, chipaddr addr) |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 435 | { |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 436 | msg_pspew("%s: addr=0x%lx, val=0x%08x\n", __func__, addr, val); |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 437 | } |
| 438 | |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 439 | void dummy_chip_writen(const struct flashctx *flash, uint8_t *buf, chipaddr addr, size_t len) |
hailfinger | 9d987ef | 2009-06-05 18:32:07 +0000 | [diff] [blame] | 440 | { |
| 441 | size_t i; |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 442 | msg_pspew("%s: addr=0x%lx, len=0x%08lx, writing data (hex):", |
| 443 | __func__, addr, (unsigned long)len); |
hailfinger | 9d987ef | 2009-06-05 18:32:07 +0000 | [diff] [blame] | 444 | for (i = 0; i < len; i++) { |
| 445 | if ((i % 16) == 0) |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 446 | msg_pspew("\n"); |
| 447 | msg_pspew("%02x ", buf[i]); |
hailfinger | 9d987ef | 2009-06-05 18:32:07 +0000 | [diff] [blame] | 448 | } |
| 449 | } |
| 450 | |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 451 | uint8_t dummy_chip_readb(const struct flashctx *flash, const chipaddr addr) |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 452 | { |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 453 | msg_pspew("%s: addr=0x%lx, returning 0xff\n", __func__, addr); |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 454 | return 0xff; |
| 455 | } |
| 456 | |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 457 | uint16_t dummy_chip_readw(const struct flashctx *flash, const chipaddr addr) |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 458 | { |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 459 | msg_pspew("%s: addr=0x%lx, returning 0xffff\n", __func__, addr); |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 460 | return 0xffff; |
| 461 | } |
| 462 | |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 463 | uint32_t dummy_chip_readl(const struct flashctx *flash, const chipaddr addr) |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 464 | { |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 465 | msg_pspew("%s: addr=0x%lx, returning 0xffffffff\n", __func__, addr); |
hailfinger | a9df33c | 2009-05-09 00:54:55 +0000 | [diff] [blame] | 466 | return 0xffffffff; |
| 467 | } |
| 468 | |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 469 | void dummy_chip_readn(const struct flashctx *flash, uint8_t *buf, const chipaddr addr, size_t len) |
hailfinger | 9d987ef | 2009-06-05 18:32:07 +0000 | [diff] [blame] | 470 | { |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 471 | msg_pspew("%s: addr=0x%lx, len=0x%lx, returning array of 0xff\n", |
| 472 | __func__, addr, (unsigned long)len); |
hailfinger | 9d987ef | 2009-06-05 18:32:07 +0000 | [diff] [blame] | 473 | memset(buf, 0xff, len); |
| 474 | return; |
| 475 | } |
| 476 | |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 477 | #if EMULATE_SPI_CHIP |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 478 | static int emulate_spi_chip_response(const struct flashctx *flash, unsigned int writecnt, unsigned int readcnt, |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 479 | const unsigned char *writearr, unsigned char *readarr) |
| 480 | { |
stefanct | c5eb8a9 | 2011-11-23 09:13:48 +0000 | [diff] [blame] | 481 | unsigned int offs; |
| 482 | static int unsigned aai_offs; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 483 | static int aai_active = 0; |
| 484 | |
| 485 | if (writecnt == 0) { |
| 486 | msg_perr("No command sent to the chip!\n"); |
| 487 | return 1; |
| 488 | } |
| 489 | /* TODO: Implement command blacklists here. */ |
| 490 | switch (writearr[0]) { |
| 491 | case JEDEC_RES: |
| 492 | if (emu_chip != EMULATE_ST_M25P10_RES) |
| 493 | break; |
| 494 | /* Respond with ST_M25P10_RES. */ |
| 495 | if (readcnt > 0) |
| 496 | readarr[0] = 0x10; |
| 497 | break; |
| 498 | case JEDEC_REMS: |
| 499 | if (emu_chip != EMULATE_SST_SST25VF040_REMS) |
| 500 | break; |
| 501 | /* Respond with SST_SST25VF040_REMS. */ |
| 502 | if (readcnt > 0) |
| 503 | readarr[0] = 0xbf; |
| 504 | if (readcnt > 1) |
| 505 | readarr[1] = 0x44; |
| 506 | break; |
| 507 | case JEDEC_RDID: |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 508 | if (emu_chip == EMULATE_SST_SST25VF032B) { |
| 509 | /* Respond with SST_SST25VF032B. */ |
| 510 | if (readcnt > 0) |
| 511 | readarr[0] = 0xbf; |
| 512 | if (readcnt > 1) |
| 513 | readarr[1] = 0x25; |
| 514 | if (readcnt > 2) |
| 515 | readarr[2] = 0x4a; |
| 516 | } else if (emu_chip == EMULATE_VARIABLE_SIZE) { |
| 517 | const uint16_t man_id = VARIABLE_SIZE_MANUF_ID; |
| 518 | const uint16_t dev_id = VARIABLE_SIZE_DEVICE_ID; |
| 519 | if (readcnt > 0) readarr[0] = man_id >> 8; |
| 520 | if (readcnt > 1) readarr[1] = man_id & 0xff; |
| 521 | if (readcnt > 2) readarr[2] = dev_id >> 8; |
| 522 | if (readcnt > 3) readarr[3] = dev_id & 0xff; |
| 523 | } |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 524 | break; |
| 525 | case JEDEC_RDSR: |
| 526 | memset(readarr, 0, readcnt); |
| 527 | if (aai_active) |
| 528 | memset(readarr, 1 << 6, readcnt); |
| 529 | break; |
| 530 | case JEDEC_READ: |
| 531 | offs = writearr[1] << 16 | writearr[2] << 8 | writearr[3]; |
| 532 | /* Truncate to emu_chip_size. */ |
| 533 | offs %= emu_chip_size; |
| 534 | if (readcnt > 0) |
| 535 | memcpy(readarr, flashchip_contents + offs, readcnt); |
| 536 | break; |
| 537 | case JEDEC_BYTE_PROGRAM: |
| 538 | offs = writearr[1] << 16 | writearr[2] << 8 | writearr[3]; |
| 539 | /* Truncate to emu_chip_size. */ |
| 540 | offs %= emu_chip_size; |
| 541 | if (writecnt < 5) { |
| 542 | msg_perr("BYTE PROGRAM size too short!\n"); |
| 543 | return 1; |
| 544 | } |
| 545 | if (writecnt - 4 > emu_max_byteprogram_size) { |
| 546 | msg_perr("Max BYTE PROGRAM size exceeded!\n"); |
| 547 | return 1; |
| 548 | } |
| 549 | memcpy(flashchip_contents + offs, writearr + 4, writecnt - 4); |
Simon Glass | cf253a7 | 2013-07-10 21:10:11 -0700 | [diff] [blame] | 550 | emu_modified = 1; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 551 | break; |
| 552 | case JEDEC_AAI_WORD_PROGRAM: |
| 553 | if (!emu_max_aai_size) |
| 554 | break; |
| 555 | if (!aai_active) { |
| 556 | if (writecnt < JEDEC_AAI_WORD_PROGRAM_OUTSIZE) { |
| 557 | msg_perr("Initial AAI WORD PROGRAM size too " |
| 558 | "short!\n"); |
| 559 | return 1; |
| 560 | } |
| 561 | if (writecnt > JEDEC_AAI_WORD_PROGRAM_OUTSIZE) { |
| 562 | msg_perr("Initial AAI WORD PROGRAM size too " |
| 563 | "long!\n"); |
| 564 | return 1; |
| 565 | } |
| 566 | aai_active = 1; |
| 567 | aai_offs = writearr[1] << 16 | writearr[2] << 8 | |
| 568 | writearr[3]; |
| 569 | /* Truncate to emu_chip_size. */ |
| 570 | aai_offs %= emu_chip_size; |
| 571 | memcpy(flashchip_contents + aai_offs, writearr + 4, 2); |
| 572 | aai_offs += 2; |
| 573 | } else { |
| 574 | if (writecnt < JEDEC_AAI_WORD_PROGRAM_CONT_OUTSIZE) { |
| 575 | msg_perr("Continuation AAI WORD PROGRAM size " |
| 576 | "too short!\n"); |
| 577 | return 1; |
| 578 | } |
| 579 | if (writecnt > JEDEC_AAI_WORD_PROGRAM_CONT_OUTSIZE) { |
| 580 | msg_perr("Continuation AAI WORD PROGRAM size " |
| 581 | "too long!\n"); |
| 582 | return 1; |
| 583 | } |
| 584 | memcpy(flashchip_contents + aai_offs, writearr + 1, 2); |
| 585 | aai_offs += 2; |
| 586 | } |
Simon Glass | cf253a7 | 2013-07-10 21:10:11 -0700 | [diff] [blame] | 587 | emu_modified = 1; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 588 | break; |
| 589 | case JEDEC_WRDI: |
| 590 | if (!emu_max_aai_size) |
| 591 | break; |
| 592 | aai_active = 0; |
| 593 | break; |
| 594 | case JEDEC_SE: |
| 595 | if (!emu_jedec_se_size) |
| 596 | break; |
| 597 | if (writecnt != JEDEC_SE_OUTSIZE) { |
| 598 | msg_perr("SECTOR ERASE 0x20 outsize invalid!\n"); |
| 599 | return 1; |
| 600 | } |
| 601 | if (readcnt != JEDEC_SE_INSIZE) { |
| 602 | msg_perr("SECTOR ERASE 0x20 insize invalid!\n"); |
| 603 | return 1; |
| 604 | } |
| 605 | offs = writearr[1] << 16 | writearr[2] << 8 | writearr[3]; |
| 606 | if (offs & (emu_jedec_se_size - 1)) |
hailfinger | e53f5e4 | 2011-02-04 22:52:04 +0000 | [diff] [blame] | 607 | msg_pdbg("Unaligned SECTOR ERASE 0x20: 0x%x\n", offs); |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 608 | offs &= ~(emu_jedec_se_size - 1); |
| 609 | memset(flashchip_contents + offs, 0xff, emu_jedec_se_size); |
Simon Glass | cf253a7 | 2013-07-10 21:10:11 -0700 | [diff] [blame] | 610 | emu_modified = 1; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 611 | break; |
| 612 | case JEDEC_BE_52: |
| 613 | if (!emu_jedec_be_52_size) |
| 614 | break; |
| 615 | if (writecnt != JEDEC_BE_52_OUTSIZE) { |
| 616 | msg_perr("BLOCK ERASE 0x52 outsize invalid!\n"); |
| 617 | return 1; |
| 618 | } |
| 619 | if (readcnt != JEDEC_BE_52_INSIZE) { |
| 620 | msg_perr("BLOCK ERASE 0x52 insize invalid!\n"); |
| 621 | return 1; |
| 622 | } |
| 623 | offs = writearr[1] << 16 | writearr[2] << 8 | writearr[3]; |
| 624 | if (offs & (emu_jedec_be_52_size - 1)) |
hailfinger | e53f5e4 | 2011-02-04 22:52:04 +0000 | [diff] [blame] | 625 | msg_pdbg("Unaligned BLOCK ERASE 0x52: 0x%x\n", offs); |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 626 | offs &= ~(emu_jedec_be_52_size - 1); |
| 627 | memset(flashchip_contents + offs, 0xff, emu_jedec_be_52_size); |
Simon Glass | cf253a7 | 2013-07-10 21:10:11 -0700 | [diff] [blame] | 628 | emu_modified = 1; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 629 | break; |
| 630 | case JEDEC_BE_D8: |
| 631 | if (!emu_jedec_be_d8_size) |
| 632 | break; |
| 633 | if (writecnt != JEDEC_BE_D8_OUTSIZE) { |
| 634 | msg_perr("BLOCK ERASE 0xd8 outsize invalid!\n"); |
| 635 | return 1; |
| 636 | } |
| 637 | if (readcnt != JEDEC_BE_D8_INSIZE) { |
| 638 | msg_perr("BLOCK ERASE 0xd8 insize invalid!\n"); |
| 639 | return 1; |
| 640 | } |
| 641 | offs = writearr[1] << 16 | writearr[2] << 8 | writearr[3]; |
| 642 | if (offs & (emu_jedec_be_d8_size - 1)) |
hailfinger | e53f5e4 | 2011-02-04 22:52:04 +0000 | [diff] [blame] | 643 | msg_pdbg("Unaligned BLOCK ERASE 0xd8: 0x%x\n", offs); |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 644 | offs &= ~(emu_jedec_be_d8_size - 1); |
| 645 | memset(flashchip_contents + offs, 0xff, emu_jedec_be_d8_size); |
| 646 | break; |
| 647 | case JEDEC_CE_60: |
| 648 | if (!emu_jedec_ce_60_size) |
| 649 | break; |
| 650 | if (writecnt != JEDEC_CE_60_OUTSIZE) { |
| 651 | msg_perr("CHIP ERASE 0x60 outsize invalid!\n"); |
| 652 | return 1; |
| 653 | } |
| 654 | if (readcnt != JEDEC_CE_60_INSIZE) { |
| 655 | msg_perr("CHIP ERASE 0x60 insize invalid!\n"); |
| 656 | return 1; |
| 657 | } |
hailfinger | e53f5e4 | 2011-02-04 22:52:04 +0000 | [diff] [blame] | 658 | /* JEDEC_CE_60_OUTSIZE is 1 (no address) -> no offset. */ |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 659 | /* emu_jedec_ce_60_size is emu_chip_size. */ |
hailfinger | e53f5e4 | 2011-02-04 22:52:04 +0000 | [diff] [blame] | 660 | memset(flashchip_contents, 0xff, emu_jedec_ce_60_size); |
Simon Glass | cf253a7 | 2013-07-10 21:10:11 -0700 | [diff] [blame] | 661 | emu_modified = 1; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 662 | break; |
| 663 | case JEDEC_CE_C7: |
| 664 | if (!emu_jedec_ce_c7_size) |
| 665 | break; |
| 666 | if (writecnt != JEDEC_CE_C7_OUTSIZE) { |
| 667 | msg_perr("CHIP ERASE 0xc7 outsize invalid!\n"); |
| 668 | return 1; |
| 669 | } |
| 670 | if (readcnt != JEDEC_CE_C7_INSIZE) { |
| 671 | msg_perr("CHIP ERASE 0xc7 insize invalid!\n"); |
| 672 | return 1; |
| 673 | } |
hailfinger | e53f5e4 | 2011-02-04 22:52:04 +0000 | [diff] [blame] | 674 | /* JEDEC_CE_C7_OUTSIZE is 1 (no address) -> no offset. */ |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 675 | /* emu_jedec_ce_c7_size is emu_chip_size. */ |
| 676 | memset(flashchip_contents, 0xff, emu_jedec_ce_c7_size); |
Simon Glass | cf253a7 | 2013-07-10 21:10:11 -0700 | [diff] [blame] | 677 | emu_modified = 1; |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 678 | break; |
| 679 | default: |
| 680 | /* No special response. */ |
| 681 | break; |
| 682 | } |
| 683 | return 0; |
| 684 | } |
| 685 | #endif |
| 686 | |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 687 | static int dummy_spi_send_command(const struct flashctx *flash, unsigned int writecnt, unsigned int readcnt, |
hailfinger | f91e3b5 | 2009-05-14 12:59:36 +0000 | [diff] [blame] | 688 | const unsigned char *writearr, unsigned char *readarr) |
| 689 | { |
| 690 | int i; |
| 691 | |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 692 | msg_pspew("%s:", __func__); |
hailfinger | f91e3b5 | 2009-05-14 12:59:36 +0000 | [diff] [blame] | 693 | |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 694 | msg_pspew(" writing %u bytes:", writecnt); |
hailfinger | f91e3b5 | 2009-05-14 12:59:36 +0000 | [diff] [blame] | 695 | for (i = 0; i < writecnt; i++) |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 696 | msg_pspew(" 0x%02x", writearr[i]); |
hailfinger | f91e3b5 | 2009-05-14 12:59:36 +0000 | [diff] [blame] | 697 | |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 698 | /* Response for unknown commands and missing chip is 0xff. */ |
| 699 | memset(readarr, 0xff, readcnt); |
| 700 | #if EMULATE_SPI_CHIP |
| 701 | switch (emu_chip) { |
| 702 | case EMULATE_ST_M25P10_RES: |
| 703 | case EMULATE_SST_SST25VF040_REMS: |
| 704 | case EMULATE_SST_SST25VF032B: |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 705 | case EMULATE_VARIABLE_SIZE: |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 706 | if (emulate_spi_chip_response(flash, writecnt, readcnt, writearr, |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 707 | readarr)) { |
| 708 | msg_perr("Invalid command sent to flash chip!\n"); |
| 709 | return 1; |
| 710 | } |
| 711 | break; |
| 712 | default: |
| 713 | break; |
| 714 | } |
| 715 | #endif |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 716 | msg_pspew(" reading %u bytes:", readcnt); |
uwe | 8d342eb | 2011-07-28 08:13:25 +0000 | [diff] [blame] | 717 | for (i = 0; i < readcnt; i++) |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 718 | msg_pspew(" 0x%02x", readarr[i]); |
hailfinger | 50c335f | 2010-01-09 04:32:23 +0000 | [diff] [blame] | 719 | msg_pspew("\n"); |
David Hendricks | 8437700 | 2014-09-09 16:09:31 -0700 | [diff] [blame] | 720 | |
| 721 | programmer_delay((writecnt + readcnt) * delay_us); |
hailfinger | f91e3b5 | 2009-05-14 12:59:36 +0000 | [diff] [blame] | 722 | return 0; |
| 723 | } |
hailfinger | a872771 | 2010-06-20 10:58:32 +0000 | [diff] [blame] | 724 | |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 725 | static int dummy_spi_write_256(struct flashctx *flash, uint8_t *buf, |
stefanct | c5eb8a9 | 2011-11-23 09:13:48 +0000 | [diff] [blame] | 726 | unsigned int start, unsigned int len) |
hailfinger | c7d06c6 | 2010-07-14 16:19:05 +0000 | [diff] [blame] | 727 | { |
hailfinger | 6ead722 | 2010-11-01 22:07:04 +0000 | [diff] [blame] | 728 | return spi_write_chunked(flash, buf, start, len, |
| 729 | spi_write_256_chunksize); |
hailfinger | c7d06c6 | 2010-07-14 16:19:05 +0000 | [diff] [blame] | 730 | } |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 731 | |
| 732 | #if EMULATE_CHIP && EMULATE_SPI_CHIP |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 733 | int probe_variable_size(struct flashctx *flash) |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 734 | { |
| 735 | int i; |
| 736 | |
| 737 | /* Skip the probing if we don't emulate this chip. */ |
| 738 | if (emu_chip != EMULATE_VARIABLE_SIZE) |
| 739 | return 0; |
| 740 | |
| 741 | /* |
Souvik Ghosh | d75cd67 | 2016-06-17 14:21:39 -0700 | [diff] [blame^] | 742 | * This will break if one day flashctx becomes read-only. |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 743 | * Once that happens, we need to have special hacks in functions: |
| 744 | * |
| 745 | * erase_and_write_flash() in flashrom.c |
| 746 | * read_flash_to_file() |
| 747 | * handle_romentries() |
| 748 | * ... |
| 749 | * |
| 750 | * Search "total_size * 1024" in code. |
| 751 | */ |
| 752 | if (emu_chip_size % 1024) |
| 753 | msg_perr("%s: emu_chip_size is not multipler of 1024.\n", |
| 754 | __func__); |
| 755 | flash->total_size = emu_chip_size / 1024; |
| 756 | msg_cdbg("%s: set flash->total_size to %dK bytes.\n", __func__, |
| 757 | flash->total_size); |
| 758 | |
David Hendricks | 0eda2a8 | 2014-09-12 16:32:05 -0700 | [diff] [blame] | 759 | if (erase_to_zero) |
| 760 | flash->feature_bits |= FEATURE_ERASE_TO_ZERO; |
| 761 | |
Louis Yung-Chieh Lo | e53fa0f | 2011-04-11 17:18:41 +0800 | [diff] [blame] | 762 | /* Update eraser count */ |
| 763 | for (i = 0; i < NUM_ERASEFUNCTIONS; i++) { |
| 764 | struct block_eraser *eraser = &flash->block_erasers[i]; |
| 765 | if (eraser->block_erase == NULL) |
| 766 | break; |
| 767 | |
| 768 | eraser->eraseblocks[0].count = emu_chip_size / |
| 769 | eraser->eraseblocks[0].size; |
| 770 | msg_cdbg("%s: eraser.size=%d, .count=%d\n", |
| 771 | __func__, eraser->eraseblocks[0].size, |
| 772 | eraser->eraseblocks[0].count); |
| 773 | } |
| 774 | |
| 775 | return 1; |
| 776 | } |
| 777 | #endif |