blob: ddc1047c6188d1109bf0a02d1fad8f20ca9c4b12 [file] [log] [blame]
Dave Liu5f820432006-11-03 19:33:44 -06001/*
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 Phillipsbf0b5422006-11-01 00:10:40 -060031#if defined(CONFIG_OF_FLAT_TREE)
32#include <ft_build.h>
33#endif
Dave Liu5f820432006-11-03 19:33:44 -060034
Dave Liu7737d5c2006-11-03 12:11:15 -060035const 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 Liu5f820432006-11-03 19:33:44 -060091int 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)
102extern void ddr_enable_ecc(unsigned int dram_size);
103#endif
104int fixed_sdram(void);
105void sdram_init(void);
106
107long int initdram(int board_type)
108{
Timur Tabid239d742006-11-03 12:00:28 -0600109 volatile immap_t *im = (immap_t *) CFG_IMMR;
Dave Liu5f820432006-11-03 19:33:44 -0600110 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 ************************************************************************/
142int fixed_sdram(void)
143{
Timur Tabid239d742006-11-03 12:00:28 -0600144 volatile immap_t *im = (immap_t *) CFG_IMMR;
Dave Liu5f820432006-11-03 19:33:44 -0600145 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
180int 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
197void sdram_init(void)
198{
Timur Tabid239d742006-11-03 12:00:28 -0600199 volatile immap_t *immap = (immap_t *) CFG_IMMR;
Dave Liu5f820432006-11-03 19:33:44 -0600200 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
258void 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 */
268void ecc_print_status(void)
269{
Timur Tabid239d742006-11-03 12:00:28 -0600270 volatile immap_t *immap = (immap_t *) CFG_IMMR;
Dave Liu5f820432006-11-03 19:33:44 -0600271 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
348int do_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
349{
Timur Tabid239d742006-11-03 12:00:28 -0600350 volatile immap_t *immap = (immap_t *) CFG_IMMR;
Dave Liu5f820432006-11-03 19:33:44 -0600351 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 Liu90f30a72006-11-02 18:05:50 -0600538 __asm__ __volatile__("sync");
Dave Liu5f820432006-11-03 19:33:44 -0600539
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 Liu90f30a72006-11-02 18:05:50 -0600547 __asm__ __volatile__("sync");
Dave Liu5f820432006-11-03 19:33:44 -0600548
549 /* re-initialize memory, double word write the location again,
550 * generates new ECC code this time */
551 ppcDWstore((u32 *) i, writeback);
Dave Liu90f30a72006-11-02 18:05:50 -0600552 __asm__ __volatile__("sync");
Dave Liu5f820432006-11-03 19:33:44 -0600553 }
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 Liu90f30a72006-11-02 18:05:50 -0600594 __asm__ __volatile__("sync");
Dave Liu5f820432006-11-03 19:33:44 -0600595 }
596 enable_interrupts();
597 return 0;
598 }
599 }
600 printf("Usage:\n%s\n", cmdtp->usage);
601 return 1;
602}
603
604U_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 Phillipsbf0b5422006-11-01 00:10:40 -0600638
639#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
640void
641ft_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