Dave Liu | 5f82043 | 2006-11-03 19:33:44 -0600 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 Freescale Semiconductor, Inc. |
| 3 | * |
| 4 | * Dave Liu <daveliu@freescale.com> |
| 5 | * based on board/mpc8349emds/mpc8349emds.c |
| 6 | * |
| 7 | * See file CREDITS for list of people who contributed to this |
| 8 | * project. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or |
| 11 | * modify it under the terms of the GNU General Public License as |
| 12 | * published by the Free Software Foundation; either version 2 of |
| 13 | * the License, or (at your option) any later version. |
| 14 | */ |
| 15 | |
| 16 | #include <common.h> |
| 17 | #include <ioports.h> |
| 18 | #include <mpc83xx.h> |
| 19 | #include <i2c.h> |
| 20 | #include <spd.h> |
| 21 | #include <miiphy.h> |
| 22 | #include <command.h> |
| 23 | #if defined(CONFIG_PCI) |
| 24 | #include <pci.h> |
| 25 | #endif |
| 26 | #if defined(CONFIG_SPD_EEPROM) |
| 27 | #include <spd_sdram.h> |
| 28 | #else |
| 29 | #include <asm/mmu.h> |
| 30 | #endif |
Kim Phillips | bf0b542 | 2006-11-01 00:10:40 -0600 | [diff] [blame] | 31 | #if defined(CONFIG_OF_FLAT_TREE) |
| 32 | #include <ft_build.h> |
| 33 | #endif |
Dave Liu | 5f82043 | 2006-11-03 19:33:44 -0600 | [diff] [blame] | 34 | |
Dave Liu | 7737d5c | 2006-11-03 12:11:15 -0600 | [diff] [blame] | 35 | const qe_iop_conf_t qe_iop_conf_tab[] = { |
| 36 | /* GETH1 */ |
| 37 | {0, 3, 1, 0, 1}, /* TxD0 */ |
| 38 | {0, 4, 1, 0, 1}, /* TxD1 */ |
| 39 | {0, 5, 1, 0, 1}, /* TxD2 */ |
| 40 | {0, 6, 1, 0, 1}, /* TxD3 */ |
| 41 | {1, 6, 1, 0, 3}, /* TxD4 */ |
| 42 | {1, 7, 1, 0, 1}, /* TxD5 */ |
| 43 | {1, 9, 1, 0, 2}, /* TxD6 */ |
| 44 | {1, 10, 1, 0, 2}, /* TxD7 */ |
| 45 | {0, 9, 2, 0, 1}, /* RxD0 */ |
| 46 | {0, 10, 2, 0, 1}, /* RxD1 */ |
| 47 | {0, 11, 2, 0, 1}, /* RxD2 */ |
| 48 | {0, 12, 2, 0, 1}, /* RxD3 */ |
| 49 | {0, 13, 2, 0, 1}, /* RxD4 */ |
| 50 | {1, 1, 2, 0, 2}, /* RxD5 */ |
| 51 | {1, 0, 2, 0, 2}, /* RxD6 */ |
| 52 | {1, 4, 2, 0, 2}, /* RxD7 */ |
| 53 | {0, 7, 1, 0, 1}, /* TX_EN */ |
| 54 | {0, 8, 1, 0, 1}, /* TX_ER */ |
| 55 | {0, 15, 2, 0, 1}, /* RX_DV */ |
| 56 | {0, 16, 2, 0, 1}, /* RX_ER */ |
| 57 | {0, 0, 2, 0, 1}, /* RX_CLK */ |
| 58 | {2, 9, 1, 0, 3}, /* GTX_CLK - CLK10 */ |
| 59 | {2, 8, 2, 0, 1}, /* GTX125 - CLK9 */ |
| 60 | /* GETH2 */ |
| 61 | {0, 17, 1, 0, 1}, /* TxD0 */ |
| 62 | {0, 18, 1, 0, 1}, /* TxD1 */ |
| 63 | {0, 19, 1, 0, 1}, /* TxD2 */ |
| 64 | {0, 20, 1, 0, 1}, /* TxD3 */ |
| 65 | {1, 2, 1, 0, 1}, /* TxD4 */ |
| 66 | {1, 3, 1, 0, 2}, /* TxD5 */ |
| 67 | {1, 5, 1, 0, 3}, /* TxD6 */ |
| 68 | {1, 8, 1, 0, 3}, /* TxD7 */ |
| 69 | {0, 23, 2, 0, 1}, /* RxD0 */ |
| 70 | {0, 24, 2, 0, 1}, /* RxD1 */ |
| 71 | {0, 25, 2, 0, 1}, /* RxD2 */ |
| 72 | {0, 26, 2, 0, 1}, /* RxD3 */ |
| 73 | {0, 27, 2, 0, 1}, /* RxD4 */ |
| 74 | {1, 12, 2, 0, 2}, /* RxD5 */ |
| 75 | {1, 13, 2, 0, 3}, /* RxD6 */ |
| 76 | {1, 11, 2, 0, 2}, /* RxD7 */ |
| 77 | {0, 21, 1, 0, 1}, /* TX_EN */ |
| 78 | {0, 22, 1, 0, 1}, /* TX_ER */ |
| 79 | {0, 29, 2, 0, 1}, /* RX_DV */ |
| 80 | {0, 30, 2, 0, 1}, /* RX_ER */ |
| 81 | {0, 31, 2, 0, 1}, /* RX_CLK */ |
| 82 | {2, 2, 1, 0, 2}, /* GTX_CLK = CLK10 */ |
| 83 | {2, 3, 2, 0, 1}, /* GTX125 - CLK4 */ |
| 84 | |
| 85 | {0, 1, 3, 0, 2}, /* MDIO */ |
| 86 | {0, 2, 1, 0, 1}, /* MDC */ |
| 87 | |
| 88 | {0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */ |
| 89 | }; |
| 90 | |
Dave Liu | 5f82043 | 2006-11-03 19:33:44 -0600 | [diff] [blame] | 91 | int board_early_init_f(void) |
| 92 | { |
| 93 | volatile u8 *bcsr = (volatile u8 *)CFG_BCSR; |
| 94 | |
| 95 | /* Enable flash write */ |
| 96 | bcsr[0xa] &= ~0x04; |
| 97 | |
| 98 | return 0; |
| 99 | } |
| 100 | |
| 101 | #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC) |
| 102 | extern void ddr_enable_ecc(unsigned int dram_size); |
| 103 | #endif |
| 104 | int fixed_sdram(void); |
| 105 | void sdram_init(void); |
| 106 | |
| 107 | long int initdram(int board_type) |
| 108 | { |
Timur Tabi | d239d74 | 2006-11-03 12:00:28 -0600 | [diff] [blame] | 109 | volatile immap_t *im = (immap_t *) CFG_IMMR; |
Dave Liu | 5f82043 | 2006-11-03 19:33:44 -0600 | [diff] [blame] | 110 | u32 msize = 0; |
| 111 | |
| 112 | if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im) |
| 113 | return -1; |
| 114 | |
| 115 | /* DDR SDRAM - Main SODIMM */ |
| 116 | im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR; |
| 117 | #if defined(CONFIG_SPD_EEPROM) |
| 118 | msize = spd_sdram(); |
| 119 | #else |
| 120 | msize = fixed_sdram(); |
| 121 | #endif |
| 122 | |
| 123 | #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRC) |
| 124 | /* |
| 125 | * Initialize DDR ECC byte |
| 126 | */ |
| 127 | ddr_enable_ecc(msize * 1024 * 1024); |
| 128 | #endif |
| 129 | /* |
| 130 | * Initialize SDRAM if it is on local bus. |
| 131 | */ |
| 132 | sdram_init(); |
| 133 | puts(" DDR RAM: "); |
| 134 | /* return total bus SDRAM size(bytes) -- DDR */ |
| 135 | return (msize * 1024 * 1024); |
| 136 | } |
| 137 | |
| 138 | #if !defined(CONFIG_SPD_EEPROM) |
| 139 | /************************************************************************* |
| 140 | * fixed sdram init -- doesn't use serial presence detect. |
| 141 | ************************************************************************/ |
| 142 | int fixed_sdram(void) |
| 143 | { |
Timur Tabi | d239d74 | 2006-11-03 12:00:28 -0600 | [diff] [blame] | 144 | volatile immap_t *im = (immap_t *) CFG_IMMR; |
Dave Liu | 5f82043 | 2006-11-03 19:33:44 -0600 | [diff] [blame] | 145 | u32 msize = 0; |
| 146 | u32 ddr_size; |
| 147 | u32 ddr_size_log2; |
| 148 | |
| 149 | msize = CFG_DDR_SIZE; |
| 150 | for (ddr_size = msize << 20, ddr_size_log2 = 0; |
| 151 | (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++) { |
| 152 | if (ddr_size & 1) { |
| 153 | return -1; |
| 154 | } |
| 155 | } |
| 156 | im->sysconf.ddrlaw[0].ar = |
| 157 | LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE); |
| 158 | #if (CFG_DDR_SIZE != 256) |
| 159 | #warning Currenly any ddr size other than 256 is not supported |
| 160 | #endif |
| 161 | im->ddr.csbnds[0].csbnds = 0x00000007; |
| 162 | im->ddr.csbnds[1].csbnds = 0x0008000f; |
| 163 | |
| 164 | im->ddr.cs_config[0] = CFG_DDR_CONFIG; |
| 165 | im->ddr.cs_config[1] = CFG_DDR_CONFIG; |
| 166 | |
| 167 | im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1; |
| 168 | im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2; |
| 169 | im->ddr.sdram_cfg = CFG_DDR_CONTROL; |
| 170 | |
| 171 | im->ddr.sdram_mode = CFG_DDR_MODE; |
| 172 | im->ddr.sdram_interval = CFG_DDR_INTERVAL; |
| 173 | udelay(200); |
| 174 | im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; |
| 175 | |
| 176 | return msize; |
| 177 | } |
| 178 | #endif /*!CFG_SPD_EEPROM */ |
| 179 | |
| 180 | int checkboard(void) |
| 181 | { |
| 182 | puts("Board: Freescale MPC8360EMDS\n"); |
| 183 | return 0; |
| 184 | } |
| 185 | |
| 186 | /* |
| 187 | * if MPC8360EMDS is soldered with SDRAM |
| 188 | */ |
| 189 | #if defined(CFG_BR2_PRELIM) \ |
| 190 | && defined(CFG_OR2_PRELIM) \ |
| 191 | && defined(CFG_LBLAWBAR2_PRELIM) \ |
| 192 | && defined(CFG_LBLAWAR2_PRELIM) |
| 193 | /* |
| 194 | * Initialize SDRAM memory on the Local Bus. |
| 195 | */ |
| 196 | |
| 197 | void sdram_init(void) |
| 198 | { |
Timur Tabi | d239d74 | 2006-11-03 12:00:28 -0600 | [diff] [blame] | 199 | volatile immap_t *immap = (immap_t *) CFG_IMMR; |
Dave Liu | 5f82043 | 2006-11-03 19:33:44 -0600 | [diff] [blame] | 200 | volatile lbus83xx_t *lbc = &immap->lbus; |
| 201 | uint *sdram_addr = (uint *) CFG_LBC_SDRAM_BASE; |
| 202 | |
| 203 | puts("\n SDRAM on Local Bus: "); |
| 204 | print_size(CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n"); |
| 205 | /* |
| 206 | * Setup SDRAM Base and Option Registers, already done in cpu_init.c |
| 207 | */ |
| 208 | /*setup mtrpt, lsrt and lbcr for LB bus */ |
| 209 | lbc->lbcr = CFG_LBC_LBCR; |
| 210 | lbc->mrtpr = CFG_LBC_MRTPR; |
| 211 | lbc->lsrt = CFG_LBC_LSRT; |
| 212 | asm("sync"); |
| 213 | |
| 214 | /* |
| 215 | * Configure the SDRAM controller Machine Mode Register. |
| 216 | */ |
| 217 | lbc->lsdmr = CFG_LBC_LSDMR_5; /* Normal Operation */ |
| 218 | lbc->lsdmr = CFG_LBC_LSDMR_1; /* Precharge All Banks */ |
| 219 | asm("sync"); |
| 220 | *sdram_addr = 0xff; |
| 221 | udelay(100); |
| 222 | |
| 223 | /* |
| 224 | * We need do 8 times auto refresh operation. |
| 225 | */ |
| 226 | lbc->lsdmr = CFG_LBC_LSDMR_2; |
| 227 | asm("sync"); |
| 228 | *sdram_addr = 0xff; /* 1 times */ |
| 229 | udelay(100); |
| 230 | *sdram_addr = 0xff; /* 2 times */ |
| 231 | udelay(100); |
| 232 | *sdram_addr = 0xff; /* 3 times */ |
| 233 | udelay(100); |
| 234 | *sdram_addr = 0xff; /* 4 times */ |
| 235 | udelay(100); |
| 236 | *sdram_addr = 0xff; /* 5 times */ |
| 237 | udelay(100); |
| 238 | *sdram_addr = 0xff; /* 6 times */ |
| 239 | udelay(100); |
| 240 | *sdram_addr = 0xff; /* 7 times */ |
| 241 | udelay(100); |
| 242 | *sdram_addr = 0xff; /* 8 times */ |
| 243 | udelay(100); |
| 244 | |
| 245 | /* Mode register write operation */ |
| 246 | lbc->lsdmr = CFG_LBC_LSDMR_4; |
| 247 | asm("sync"); |
| 248 | *(sdram_addr + 0xcc) = 0xff; |
| 249 | udelay(100); |
| 250 | |
| 251 | /* Normal operation */ |
| 252 | lbc->lsdmr = CFG_LBC_LSDMR_5 | 0x40000000; |
| 253 | asm("sync"); |
| 254 | *sdram_addr = 0xff; |
| 255 | udelay(100); |
| 256 | } |
| 257 | #else |
| 258 | void sdram_init(void) |
| 259 | { |
| 260 | puts("SDRAM on Local Bus is NOT available!\n"); |
| 261 | } |
| 262 | #endif |
| 263 | |
| 264 | #if defined(CONFIG_DDR_ECC) && defined(CONFIG_DDR_ECC_CMD) |
| 265 | /* |
| 266 | * ECC user commands |
| 267 | */ |
| 268 | void ecc_print_status(void) |
| 269 | { |
Timur Tabi | d239d74 | 2006-11-03 12:00:28 -0600 | [diff] [blame] | 270 | volatile immap_t *immap = (immap_t *) CFG_IMMR; |
Dave Liu | 5f82043 | 2006-11-03 19:33:44 -0600 | [diff] [blame] | 271 | volatile ddr83xx_t *ddr = &immap->ddr; |
| 272 | |
| 273 | printf("\nECC mode: %s\n\n", |
| 274 | (ddr->sdram_cfg & SDRAM_CFG_ECC_EN) ? "ON" : "OFF"); |
| 275 | |
| 276 | /* Interrupts */ |
| 277 | printf("Memory Error Interrupt Enable:\n"); |
| 278 | printf(" Multiple-Bit Error Interrupt Enable: %d\n", |
| 279 | (ddr->err_int_en & ECC_ERR_INT_EN_MBEE) ? 1 : 0); |
| 280 | printf(" Single-Bit Error Interrupt Enable: %d\n", |
| 281 | (ddr->err_int_en & ECC_ERR_INT_EN_SBEE) ? 1 : 0); |
| 282 | printf(" Memory Select Error Interrupt Enable: %d\n\n", |
| 283 | (ddr->err_int_en & ECC_ERR_INT_EN_MSEE) ? 1 : 0); |
| 284 | |
| 285 | /* Error disable */ |
| 286 | printf("Memory Error Disable:\n"); |
| 287 | printf(" Multiple-Bit Error Disable: %d\n", |
| 288 | (ddr->err_disable & ECC_ERROR_DISABLE_MBED) ? 1 : 0); |
| 289 | printf(" Sinle-Bit Error Disable: %d\n", |
| 290 | (ddr->err_disable & ECC_ERROR_DISABLE_SBED) ? 1 : 0); |
| 291 | printf(" Memory Select Error Disable: %d\n\n", |
| 292 | (ddr->err_disable & ECC_ERROR_DISABLE_MSED) ? 1 : 0); |
| 293 | |
| 294 | /* Error injection */ |
| 295 | printf("Memory Data Path Error Injection Mask High/Low: %08lx %08lx\n", |
| 296 | ddr->data_err_inject_hi, ddr->data_err_inject_lo); |
| 297 | |
| 298 | printf("Memory Data Path Error Injection Mask ECC:\n"); |
| 299 | printf(" ECC Mirror Byte: %d\n", |
| 300 | (ddr->ecc_err_inject & ECC_ERR_INJECT_EMB) ? 1 : 0); |
| 301 | printf(" ECC Injection Enable: %d\n", |
| 302 | (ddr->ecc_err_inject & ECC_ERR_INJECT_EIEN) ? 1 : 0); |
| 303 | printf(" ECC Error Injection Mask: 0x%02x\n\n", |
| 304 | ddr->ecc_err_inject & ECC_ERR_INJECT_EEIM); |
| 305 | |
| 306 | /* SBE counter/threshold */ |
| 307 | printf("Memory Single-Bit Error Management (0..255):\n"); |
| 308 | printf(" Single-Bit Error Threshold: %d\n", |
| 309 | (ddr->err_sbe & ECC_ERROR_MAN_SBET) >> ECC_ERROR_MAN_SBET_SHIFT); |
| 310 | printf(" Single-Bit Error Counter: %d\n\n", |
| 311 | (ddr->err_sbe & ECC_ERROR_MAN_SBEC) >> ECC_ERROR_MAN_SBEC_SHIFT); |
| 312 | |
| 313 | /* Error detect */ |
| 314 | printf("Memory Error Detect:\n"); |
| 315 | printf(" Multiple Memory Errors: %d\n", |
| 316 | (ddr->err_detect & ECC_ERROR_DETECT_MME) ? 1 : 0); |
| 317 | printf(" Multiple-Bit Error: %d\n", |
| 318 | (ddr->err_detect & ECC_ERROR_DETECT_MBE) ? 1 : 0); |
| 319 | printf(" Single-Bit Error: %d\n", |
| 320 | (ddr->err_detect & ECC_ERROR_DETECT_SBE) ? 1 : 0); |
| 321 | printf(" Memory Select Error: %d\n\n", |
| 322 | (ddr->err_detect & ECC_ERROR_DETECT_MSE) ? 1 : 0); |
| 323 | |
| 324 | /* Capture data */ |
| 325 | printf("Memory Error Address Capture: 0x%08lx\n", ddr->capture_address); |
| 326 | printf("Memory Data Path Read Capture High/Low: %08lx %08lx\n", |
| 327 | ddr->capture_data_hi, ddr->capture_data_lo); |
| 328 | printf("Memory Data Path Read Capture ECC: 0x%02x\n\n", |
| 329 | ddr->capture_ecc & CAPTURE_ECC_ECE); |
| 330 | |
| 331 | printf("Memory Error Attributes Capture:\n"); |
| 332 | printf(" Data Beat Number: %d\n", |
| 333 | (ddr->capture_attributes & ECC_CAPT_ATTR_BNUM) >> |
| 334 | ECC_CAPT_ATTR_BNUM_SHIFT); |
| 335 | printf(" Transaction Size: %d\n", |
| 336 | (ddr->capture_attributes & ECC_CAPT_ATTR_TSIZ) >> |
| 337 | ECC_CAPT_ATTR_TSIZ_SHIFT); |
| 338 | printf(" Transaction Source: %d\n", |
| 339 | (ddr->capture_attributes & ECC_CAPT_ATTR_TSRC) >> |
| 340 | ECC_CAPT_ATTR_TSRC_SHIFT); |
| 341 | printf(" Transaction Type: %d\n", |
| 342 | (ddr->capture_attributes & ECC_CAPT_ATTR_TTYP) >> |
| 343 | ECC_CAPT_ATTR_TTYP_SHIFT); |
| 344 | printf(" Error Information Valid: %d\n\n", |
| 345 | ddr->capture_attributes & ECC_CAPT_ATTR_VLD); |
| 346 | } |
| 347 | |
| 348 | int do_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) |
| 349 | { |
Timur Tabi | d239d74 | 2006-11-03 12:00:28 -0600 | [diff] [blame] | 350 | volatile immap_t *immap = (immap_t *) CFG_IMMR; |
Dave Liu | 5f82043 | 2006-11-03 19:33:44 -0600 | [diff] [blame] | 351 | volatile ddr83xx_t *ddr = &immap->ddr; |
| 352 | volatile u32 val; |
| 353 | u64 *addr; |
| 354 | u32 count; |
| 355 | register u64 *i; |
| 356 | u32 ret[2]; |
| 357 | u32 pattern[2]; |
| 358 | u32 writeback[2]; |
| 359 | |
| 360 | /* The pattern is written into memory to generate error */ |
| 361 | pattern[0] = 0xfedcba98UL; |
| 362 | pattern[1] = 0x76543210UL; |
| 363 | |
| 364 | /* After injecting error, re-initialize the memory with the value */ |
| 365 | writeback[0] = 0x01234567UL; |
| 366 | writeback[1] = 0x89abcdefUL; |
| 367 | |
| 368 | if (argc > 4) { |
| 369 | printf("Usage:\n%s\n", cmdtp->usage); |
| 370 | return 1; |
| 371 | } |
| 372 | |
| 373 | if (argc == 2) { |
| 374 | if (strcmp(argv[1], "status") == 0) { |
| 375 | ecc_print_status(); |
| 376 | return 0; |
| 377 | } else if (strcmp(argv[1], "captureclear") == 0) { |
| 378 | ddr->capture_address = 0; |
| 379 | ddr->capture_data_hi = 0; |
| 380 | ddr->capture_data_lo = 0; |
| 381 | ddr->capture_ecc = 0; |
| 382 | ddr->capture_attributes = 0; |
| 383 | return 0; |
| 384 | } |
| 385 | } |
| 386 | if (argc == 3) { |
| 387 | if (strcmp(argv[1], "sbecnt") == 0) { |
| 388 | val = simple_strtoul(argv[2], NULL, 10); |
| 389 | if (val > 255) { |
| 390 | printf("Incorrect Counter value, " |
| 391 | "should be 0..255\n"); |
| 392 | return 1; |
| 393 | } |
| 394 | |
| 395 | val = (val << ECC_ERROR_MAN_SBEC_SHIFT); |
| 396 | val |= (ddr->err_sbe & ECC_ERROR_MAN_SBET); |
| 397 | |
| 398 | ddr->err_sbe = val; |
| 399 | return 0; |
| 400 | } else if (strcmp(argv[1], "sbethr") == 0) { |
| 401 | val = simple_strtoul(argv[2], NULL, 10); |
| 402 | if (val > 255) { |
| 403 | printf("Incorrect Counter value, " |
| 404 | "should be 0..255\n"); |
| 405 | return 1; |
| 406 | } |
| 407 | |
| 408 | val = (val << ECC_ERROR_MAN_SBET_SHIFT); |
| 409 | val |= (ddr->err_sbe & ECC_ERROR_MAN_SBEC); |
| 410 | |
| 411 | ddr->err_sbe = val; |
| 412 | return 0; |
| 413 | } else if (strcmp(argv[1], "errdisable") == 0) { |
| 414 | val = ddr->err_disable; |
| 415 | |
| 416 | if (strcmp(argv[2], "+sbe") == 0) { |
| 417 | val |= ECC_ERROR_DISABLE_SBED; |
| 418 | } else if (strcmp(argv[2], "+mbe") == 0) { |
| 419 | val |= ECC_ERROR_DISABLE_MBED; |
| 420 | } else if (strcmp(argv[2], "+mse") == 0) { |
| 421 | val |= ECC_ERROR_DISABLE_MSED; |
| 422 | } else if (strcmp(argv[2], "+all") == 0) { |
| 423 | val |= (ECC_ERROR_DISABLE_SBED | |
| 424 | ECC_ERROR_DISABLE_MBED | |
| 425 | ECC_ERROR_DISABLE_MSED); |
| 426 | } else if (strcmp(argv[2], "-sbe") == 0) { |
| 427 | val &= ~ECC_ERROR_DISABLE_SBED; |
| 428 | } else if (strcmp(argv[2], "-mbe") == 0) { |
| 429 | val &= ~ECC_ERROR_DISABLE_MBED; |
| 430 | } else if (strcmp(argv[2], "-mse") == 0) { |
| 431 | val &= ~ECC_ERROR_DISABLE_MSED; |
| 432 | } else if (strcmp(argv[2], "-all") == 0) { |
| 433 | val &= ~(ECC_ERROR_DISABLE_SBED | |
| 434 | ECC_ERROR_DISABLE_MBED | |
| 435 | ECC_ERROR_DISABLE_MSED); |
| 436 | } else { |
| 437 | printf("Incorrect err_disable field\n"); |
| 438 | return 1; |
| 439 | } |
| 440 | |
| 441 | ddr->err_disable = val; |
| 442 | __asm__ __volatile__("sync"); |
| 443 | __asm__ __volatile__("isync"); |
| 444 | return 0; |
| 445 | } else if (strcmp(argv[1], "errdetectclr") == 0) { |
| 446 | val = ddr->err_detect; |
| 447 | |
| 448 | if (strcmp(argv[2], "mme") == 0) { |
| 449 | val |= ECC_ERROR_DETECT_MME; |
| 450 | } else if (strcmp(argv[2], "sbe") == 0) { |
| 451 | val |= ECC_ERROR_DETECT_SBE; |
| 452 | } else if (strcmp(argv[2], "mbe") == 0) { |
| 453 | val |= ECC_ERROR_DETECT_MBE; |
| 454 | } else if (strcmp(argv[2], "mse") == 0) { |
| 455 | val |= ECC_ERROR_DETECT_MSE; |
| 456 | } else if (strcmp(argv[2], "all") == 0) { |
| 457 | val |= (ECC_ERROR_DETECT_MME | |
| 458 | ECC_ERROR_DETECT_MBE | |
| 459 | ECC_ERROR_DETECT_SBE | |
| 460 | ECC_ERROR_DETECT_MSE); |
| 461 | } else { |
| 462 | printf("Incorrect err_detect field\n"); |
| 463 | return 1; |
| 464 | } |
| 465 | |
| 466 | ddr->err_detect = val; |
| 467 | return 0; |
| 468 | } else if (strcmp(argv[1], "injectdatahi") == 0) { |
| 469 | val = simple_strtoul(argv[2], NULL, 16); |
| 470 | |
| 471 | ddr->data_err_inject_hi = val; |
| 472 | return 0; |
| 473 | } else if (strcmp(argv[1], "injectdatalo") == 0) { |
| 474 | val = simple_strtoul(argv[2], NULL, 16); |
| 475 | |
| 476 | ddr->data_err_inject_lo = val; |
| 477 | return 0; |
| 478 | } else if (strcmp(argv[1], "injectecc") == 0) { |
| 479 | val = simple_strtoul(argv[2], NULL, 16); |
| 480 | if (val > 0xff) { |
| 481 | printf("Incorrect ECC inject mask, " |
| 482 | "should be 0x00..0xff\n"); |
| 483 | return 1; |
| 484 | } |
| 485 | val |= (ddr->ecc_err_inject & ~ECC_ERR_INJECT_EEIM); |
| 486 | |
| 487 | ddr->ecc_err_inject = val; |
| 488 | return 0; |
| 489 | } else if (strcmp(argv[1], "inject") == 0) { |
| 490 | val = ddr->ecc_err_inject; |
| 491 | |
| 492 | if (strcmp(argv[2], "en") == 0) |
| 493 | val |= ECC_ERR_INJECT_EIEN; |
| 494 | else if (strcmp(argv[2], "dis") == 0) |
| 495 | val &= ~ECC_ERR_INJECT_EIEN; |
| 496 | else |
| 497 | printf("Incorrect command\n"); |
| 498 | |
| 499 | ddr->ecc_err_inject = val; |
| 500 | __asm__ __volatile__("sync"); |
| 501 | __asm__ __volatile__("isync"); |
| 502 | return 0; |
| 503 | } else if (strcmp(argv[1], "mirror") == 0) { |
| 504 | val = ddr->ecc_err_inject; |
| 505 | |
| 506 | if (strcmp(argv[2], "en") == 0) |
| 507 | val |= ECC_ERR_INJECT_EMB; |
| 508 | else if (strcmp(argv[2], "dis") == 0) |
| 509 | val &= ~ECC_ERR_INJECT_EMB; |
| 510 | else |
| 511 | printf("Incorrect command\n"); |
| 512 | |
| 513 | ddr->ecc_err_inject = val; |
| 514 | return 0; |
| 515 | } |
| 516 | } |
| 517 | if (argc == 4) { |
| 518 | if (strcmp(argv[1], "testdw") == 0) { |
| 519 | addr = (u64 *) simple_strtoul(argv[2], NULL, 16); |
| 520 | count = simple_strtoul(argv[3], NULL, 16); |
| 521 | |
| 522 | if ((u32) addr % 8) { |
| 523 | printf("Address not alligned on " |
| 524 | "double word boundary\n"); |
| 525 | return 1; |
| 526 | } |
| 527 | disable_interrupts(); |
| 528 | |
| 529 | for (i = addr; i < addr + count; i++) { |
| 530 | |
| 531 | /* enable injects */ |
| 532 | ddr->ecc_err_inject |= ECC_ERR_INJECT_EIEN; |
| 533 | __asm__ __volatile__("sync"); |
| 534 | __asm__ __volatile__("isync"); |
| 535 | |
| 536 | /* write memory location injecting errors */ |
| 537 | ppcDWstore((u32 *) i, pattern); |
Dave Liu | 90f30a7 | 2006-11-02 18:05:50 -0600 | [diff] [blame] | 538 | __asm__ __volatile__("sync"); |
Dave Liu | 5f82043 | 2006-11-03 19:33:44 -0600 | [diff] [blame] | 539 | |
| 540 | /* disable injects */ |
| 541 | ddr->ecc_err_inject &= ~ECC_ERR_INJECT_EIEN; |
| 542 | __asm__ __volatile__("sync"); |
| 543 | __asm__ __volatile__("isync"); |
| 544 | |
| 545 | /* read data, this generates ECC error */ |
| 546 | ppcDWload((u32 *) i, ret); |
Dave Liu | 90f30a7 | 2006-11-02 18:05:50 -0600 | [diff] [blame] | 547 | __asm__ __volatile__("sync"); |
Dave Liu | 5f82043 | 2006-11-03 19:33:44 -0600 | [diff] [blame] | 548 | |
| 549 | /* re-initialize memory, double word write the location again, |
| 550 | * generates new ECC code this time */ |
| 551 | ppcDWstore((u32 *) i, writeback); |
Dave Liu | 90f30a7 | 2006-11-02 18:05:50 -0600 | [diff] [blame] | 552 | __asm__ __volatile__("sync"); |
Dave Liu | 5f82043 | 2006-11-03 19:33:44 -0600 | [diff] [blame] | 553 | } |
| 554 | enable_interrupts(); |
| 555 | return 0; |
| 556 | } |
| 557 | if (strcmp(argv[1], "testword") == 0) { |
| 558 | addr = (u64 *) simple_strtoul(argv[2], NULL, 16); |
| 559 | count = simple_strtoul(argv[3], NULL, 16); |
| 560 | |
| 561 | if ((u32) addr % 8) { |
| 562 | printf("Address not alligned on " |
| 563 | "double word boundary\n"); |
| 564 | return 1; |
| 565 | } |
| 566 | disable_interrupts(); |
| 567 | |
| 568 | for (i = addr; i < addr + count; i++) { |
| 569 | |
| 570 | /* enable injects */ |
| 571 | ddr->ecc_err_inject |= ECC_ERR_INJECT_EIEN; |
| 572 | __asm__ __volatile__("sync"); |
| 573 | __asm__ __volatile__("isync"); |
| 574 | |
| 575 | /* write memory location injecting errors */ |
| 576 | *(u32 *) i = 0xfedcba98UL; |
| 577 | __asm__ __volatile__("sync"); |
| 578 | |
| 579 | /* sub double word write, |
| 580 | * bus will read-modify-write, |
| 581 | * generates ECC error */ |
| 582 | *((u32 *) i + 1) = 0x76543210UL; |
| 583 | __asm__ __volatile__("sync"); |
| 584 | |
| 585 | /* disable injects */ |
| 586 | ddr->ecc_err_inject &= ~ECC_ERR_INJECT_EIEN; |
| 587 | __asm__ __volatile__("sync"); |
| 588 | __asm__ __volatile__("isync"); |
| 589 | |
| 590 | /* re-initialize memory, |
| 591 | * double word write the location again, |
| 592 | * generates new ECC code this time */ |
| 593 | ppcDWstore((u32 *) i, writeback); |
Dave Liu | 90f30a7 | 2006-11-02 18:05:50 -0600 | [diff] [blame] | 594 | __asm__ __volatile__("sync"); |
Dave Liu | 5f82043 | 2006-11-03 19:33:44 -0600 | [diff] [blame] | 595 | } |
| 596 | enable_interrupts(); |
| 597 | return 0; |
| 598 | } |
| 599 | } |
| 600 | printf("Usage:\n%s\n", cmdtp->usage); |
| 601 | return 1; |
| 602 | } |
| 603 | |
| 604 | U_BOOT_CMD(ecc, 4, 0, do_ecc, |
| 605 | "ecc - support for DDR ECC features\n", |
| 606 | "status - print out status info\n" |
| 607 | "ecc captureclear - clear capture regs data\n" |
| 608 | "ecc sbecnt <val> - set Single-Bit Error counter\n" |
| 609 | "ecc sbethr <val> - set Single-Bit Threshold\n" |
| 610 | "ecc errdisable <flag> - clear/set disable Memory Error Disable, flag:\n" |
| 611 | " [-|+]sbe - Single-Bit Error\n" |
| 612 | " [-|+]mbe - Multiple-Bit Error\n" |
| 613 | " [-|+]mse - Memory Select Error\n" |
| 614 | " [-|+]all - all errors\n" |
| 615 | "ecc errdetectclr <flag> - clear Memory Error Detect, flag:\n" |
| 616 | " mme - Multiple Memory Errors\n" |
| 617 | " sbe - Single-Bit Error\n" |
| 618 | " mbe - Multiple-Bit Error\n" |
| 619 | " mse - Memory Select Error\n" |
| 620 | " all - all errors\n" |
| 621 | "ecc injectdatahi <hi> - set Memory Data Path Error Injection Mask High\n" |
| 622 | "ecc injectdatalo <lo> - set Memory Data Path Error Injection Mask Low\n" |
| 623 | "ecc injectecc <ecc> - set ECC Error Injection Mask\n" |
| 624 | "ecc inject <en|dis> - enable/disable error injection\n" |
| 625 | "ecc mirror <en|dis> - enable/disable mirror byte\n" |
| 626 | "ecc testdw <addr> <cnt> - test mem region with double word access:\n" |
| 627 | " - enables injects\n" |
| 628 | " - writes pattern injecting errors with double word access\n" |
| 629 | " - disables injects\n" |
| 630 | " - reads pattern back with double word access, generates error\n" |
| 631 | " - re-inits memory\n" |
| 632 | "ecc testword <addr> <cnt> - test mem region with word access:\n" |
| 633 | " - enables injects\n" |
| 634 | " - writes pattern injecting errors with word access\n" |
| 635 | " - writes pattern with word access, generates error\n" |
| 636 | " - disables injects\n" " - re-inits memory"); |
| 637 | #endif /* if defined(CONFIG_DDR_ECC) && defined(CONFIG_DDR_ECC_CMD) */ |
Kim Phillips | bf0b542 | 2006-11-01 00:10:40 -0600 | [diff] [blame] | 638 | |
| 639 | #if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) |
| 640 | void |
| 641 | ft_board_setup(void *blob, bd_t *bd) |
| 642 | { |
| 643 | u32 *p; |
| 644 | int len; |
| 645 | |
| 646 | #ifdef CONFIG_PCI |
| 647 | ft_pci_setup(blob, bd); |
| 648 | #endif |
| 649 | ft_cpu_setup(blob, bd); |
| 650 | |
| 651 | p = ft_get_prop(blob, "/memory/reg", &len); |
| 652 | if (p != NULL) { |
| 653 | *p++ = cpu_to_be32(bd->bi_memstart); |
| 654 | *p = cpu_to_be32(bd->bi_memsize); |
| 655 | } |
| 656 | } |
| 657 | #endif |