board/bf537-stamp/bf537-stamp.c

   1 /*
   2  * U-boot - BF537.c
   3  *
   4  * Copyright (c) 2005-2007 Analog Devices Inc.
   5  *
   6  * (C) Copyright 2000-2004
   7  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   8  *
   9  * See file CREDITS for list of people who contributed to this
  10  * project.
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License as
  14  * published by the Free Software Foundation; either version 2 of
  15  * the License, or (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  25  * MA 02110-1301 USA
  26  */
  27
  28 #include <common.h>
  29 #include <config.h>
  30 #include <command.h>
  31 #include <asm/blackfin.h>
  32 #include <asm/io.h>
  33 #include "ether_bf537.h"
  34
  35 #define POST_WORD_ADDR 0xFF903FFC
  36
  37 /*
  38  * the bootldr command loads an address, checks to see if there
  39  *   is a Boot stream that the on-chip BOOTROM can understand,
  40  *   and loads it via the BOOTROM Callback. It is possible
  41  *   to also add booting from SPI, or TWI, but this function does
  42  *   not currently support that.
  43  */
  44 int do_bootldr(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
  45 {
  46         ulong addr, entry;
  47         ulong *data;
  48
  49         /* Get the address */
  50         if (argc < 2) {
  51                 addr = load_addr;
  52         } else {
  53                 addr = simple_strtoul(argv[1], NULL, 16);
  54         }
  55
  56         /* Check if it is a LDR file */
  57         data = (ulong *) addr;
  58         if (*data == 0xFF800060 || *data == 0xFF800040 || *data == 0xFF800020) {
  59                 /* We want to boot from FLASH or SDRAM */
  60                 entry = _BOOTROM_BOOT_DXE_FLASH;
  61                 printf("## Booting ldr image at 0x%08lx ...\n", addr);
  62                 if (icache_status())
  63                         icache_disable();
  64                 if (dcache_status())
  65                         dcache_disable();
  66
  67               __asm__("R7=%[a];\n" "P0=%[b];\n" "JUMP (P0);\n":
  68               :[a] "d"(addr),[b] "a"(entry)
  69               :"R7", "P0");
  70
  71         } else {
  72                 printf("## No ldr image at address 0x%08lx\n", addr);
  73         }
  74
  75         return 0;
  76 }
  77
  78 U_BOOT_CMD(bootldr, 2, 0, do_bootldr,
  79            "bootldr - boot ldr image from memory\n",
  80            "[addr]\n         - boot ldr image stored in memory\n");
  81
  82 int checkboard(void)
  83 {
  84 #if (BFIN_CPU == ADSP_BF534)
  85         printf("CPU:   ADSP BF534 Rev.: 0.%d\n", *pCHIPID >> 28);
  86 #elif (BFIN_CPU == ADSP_BF536)
  87         printf("CPU:   ADSP BF536 Rev.: 0.%d\n", *pCHIPID >> 28);
  88 #else
  89         printf("CPU:   ADSP BF537 Rev.: 0.%d\n", *pCHIPID >> 28);
  90 #endif
  91         printf("Board: ADI BF537 stamp board\n");
  92         printf("       Support: http://blackfin.uclinux.org/\n");
  93         return 0;
  94 }
  95
  96 #if defined(CONFIG_BFIN_IDE)
  97
  98 void cf_outb(unsigned char val, volatile unsigned char *addr)
  99 {
 100         *(addr) = val;
 101         sync();
 102 }
 103
 104 unsigned char cf_inb(volatile unsigned char *addr)
 105 {
 106         volatile unsigned char c;
 107
 108         c = *(addr);
 109         sync();
 110
 111         return c;
 112 }
 113
 114 void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
 115 {
 116         int i;
 117
 118         for (i = 0; i < words; i++)
 119                 *(sect_buf + i) = *(addr);
 120         sync();
 121 }
 122
 123 void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
 124 {
 125         int i;
 126
 127         for (i = 0; i < words; i++)
 128                 *(addr) = *(sect_buf + i);
 129         sync();
 130 }
 131 #endif                          /* CONFIG_BFIN_IDE */
 132
 133 long int initdram(int board_type)
 134 {
 135         DECLARE_GLOBAL_DATA_PTR;
 136 #ifdef DEBUG
 137         int brate;
 138         char *tmp = getenv("baudrate");
 139         brate = simple_strtoul(tmp, NULL, 16);
 140         printf("Serial Port initialized with Baud rate = %x\n", brate);
 141         printf("SDRAM attributes:\n");
 142         printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
 143                "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
 144                3, 3, 6, 2, 3);
 145         printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE);
 146         printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE >> 20);
 147 #endif
 148         gd->bd->bi_memstart = CFG_SDRAM_BASE;
 149         gd->bd->bi_memsize = CFG_MAX_RAM_SIZE;
 150         return CFG_MAX_RAM_SIZE;
 151 }
 152
 153 #if defined(CONFIG_MISC_INIT_R)
 154 /* miscellaneous platform dependent initialisations */
 155 int misc_init_r(void)
 156 {
 157 #if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT)
 158         char nid[32];
 159         unsigned char *pMACaddr = (unsigned char *)0x203F0000;
 160         u8 SrcAddr[6] = { 0x02, 0x80, 0xAD, 0x20, 0x31, 0xB8 };
 161
 162 #if defined(CONFIG_CMD_NET)
 163         /* The 0xFF check here is to make sure we don't use the address
 164          * in flash if it's simply been erased (aka all 0xFF values) */
 165         if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) {
 166                 sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x",
 167                         pMACaddr[0], pMACaddr[1],
 168                         pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]);
 169                 setenv("ethaddr", nid);
 170         }
 171         if (getenv("ethaddr")) {
 172                 SetupMacAddr(SrcAddr);
 173         }
 174 #endif
 175 #endif                          /* BFIN_BOOT_MODE == BF537_BYPASS_BOOT */
 176
 177 #if defined(CONFIG_BFIN_IDE)
 178 #if defined(CONFIG_BFIN_TRUE_IDE)
 179         /* Enable ATASEL when in True IDE mode */
 180         printf("Using CF True IDE Mode\n");
 181         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
 182         udelay(1000);
 183 #elif defined(CONFIG_BFIN_CF_IDE)
 184         /* Disable ATASEL when we're in Common Memory Mode */
 185         printf("Using CF Common Memory Mode\n");
 186         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
 187         udelay(1000);
 188 #elif defined(CONFIG_BFIN_HDD_IDE)
 189         printf("Using HDD IDE Mode\n");
 190 #endif
 191         ide_init();
 192 #endif                          /* CONFIG_BFIN_IDE */
 193         return 0;
 194 }
 195 #endif                          /* CONFIG_MISC_INIT_R */
 196
 197 #ifdef CONFIG_POST
 198 #if (BFIN_BOOT_MODE != BF537_BYPASS_BOOT)
 199 /* Using sw10-PF5 as the hotkey */
 200 int post_hotkeys_pressed(void)
 201 {
 202         return 0;
 203 }
 204 #else
 205 /* Using sw10-PF5 as the hotkey */
 206 int post_hotkeys_pressed(void)
 207 {
 208         int delay = 3;
 209         int i;
 210         unsigned short value;
 211
 212         *pPORTF_FER &= ~PF5;
 213         *pPORTFIO_DIR &= ~PF5;
 214         *pPORTFIO_INEN |= PF5;
 215
 216         printf("########Press SW10 to enter Memory POST########: %2d ", delay);
 217         while (delay--) {
 218                 for (i = 0; i < 100; i++) {
 219                         value = *pPORTFIO & PF5;
 220                         if (value != 0) {
 221                                 break;
 222                         }
 223                         udelay(10000);
 224                 }
 225                 printf("\b\b\b%2d ", delay);
 226         }
 227         printf("\b\b\b 0");
 228         printf("\n");
 229         if (value == 0)
 230                 return 0;
 231         else {
 232                 printf("Hotkey has been pressed, Enter POST . . . . . .\n");
 233                 return 1;
 234         }
 235 }
 236 #endif
 237 #endif
 238
 239 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
 240 void post_word_store(ulong a)
 241 {
 242         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 243         *save_addr = a;
 244 }
 245
 246 ulong post_word_load(void)
 247 {
 248         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 249         return *save_addr;
 250 }
 251 #endif
 252
 253 #ifdef CONFIG_POST
 254 int uart_post_test(int flags)
 255 {
 256         return 0;
 257 }
 258
 259 #define BLOCK_SIZE 0x10000
 260 #define VERIFY_ADDR 0x2000000
 261 extern int erase_block_flash(int);
 262 extern int write_data(long lStart, long lCount, uchar * pnData);
 263 int flash_post_test(int flags)
 264 {
 265         unsigned short *pbuf, *temp;
 266         int offset, n, i;
 267         int value = 0;
 268         int result = 0;
 269         printf("\n");
 270         pbuf = (unsigned short *)VERIFY_ADDR;
 271         temp = pbuf;
 272         for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
 273                 offset = (n - 7) * BLOCK_SIZE;
 274                 printf("--------Erase   block:%2d..", n);
 275                 erase_block_flash(n);
 276                 printf("OK\r");
 277                 printf("--------Program block:%2d...", n);
 278                 write_data(CFG_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
 279                 printf("OK\r");
 280                 printf("--------Verify  block:%2d...", n);
 281                 for (i = 0; i < BLOCK_SIZE; i += 2) {
 282                         if (*(unsigned short *)(CFG_FLASH_BASE + offset + i) !=
 283                             *temp++) {
 284                                 value = 1;
 285                                 result = 1;
 286                         }
 287                 }
 288                 if (value)
 289                         printf("failed\n");
 290                 else
 291                         printf("OK              %3d%%\r",
 292                                (int)(
 293                                      (n + 1 -
 294                                       FLASH_START_POST_BLOCK) *
 295                                      100 / (FLASH_END_POST_BLOCK -
 296                                             FLASH_START_POST_BLOCK)));
 297
 298                 temp = pbuf;
 299                 value = 0;
 300         }
 301         printf("\n");
 302         if (result)
 303                 return -1;
 304         else
 305                 return 0;
 306 }
 307
 308 /****************************************************
 309  * LED1 ---- PF6        LED2 ---- PF7               *
 310  * LED3 ---- PF8        LED4 ---- PF9               *
 311  * LED5 ---- PF10       LED6 ---- PF11              *
 312  ****************************************************/
 313 int led_post_test(int flags)
 314 {
 315         *pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 316         *pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
 317         *pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 318         *pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 319         udelay(1000000);
 320         printf("LED1 on");
 321         *pPORTFIO |= PF6;
 322         udelay(1000000);
 323         printf("\b\b\b\b\b\b\b");
 324         printf("LED2 on");
 325         *pPORTFIO |= PF7;
 326         udelay(1000000);
 327         printf("\b\b\b\b\b\b\b");
 328         printf("LED3 on");
 329         *pPORTFIO |= PF8;
 330         udelay(1000000);
 331         printf("\b\b\b\b\b\b\b");
 332         printf("LED4 on");
 333         *pPORTFIO |= PF9;
 334         udelay(1000000);
 335         printf("\b\b\b\b\b\b\b");
 336         printf("LED5 on");
 337         *pPORTFIO |= PF10;
 338         udelay(1000000);
 339         printf("\b\b\b\b\b\b\b");
 340         printf("lED6 on");
 341         *pPORTFIO |= PF11;
 342         printf("\b\b\b\b\b\b\b ");
 343         return 0;
 344 }
 345
 346 /************************************************
 347  *  SW10 ---- PF5       SW11 ---- PF4           *
 348  *  SW12 ---- PF3       SW13 ---- PF2           *
 349  ************************************************/
 350 int button_post_test(int flags)
 351 {
 352         int i, delay = 5;
 353         unsigned short value = 0;
 354         int result = 0;
 355
 356         *pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
 357         *pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
 358         *pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
 359
 360         printf("\n--------Press SW10: %2d ", delay);
 361         while (delay--) {
 362                 for (i = 0; i < 100; i++) {
 363                         value = *pPORTFIO & PF5;
 364                         if (value != 0) {
 365                                 break;
 366                         }
 367                         udelay(10000);
 368                 }
 369                 printf("\b\b\b%2d ", delay);
 370         }
 371         if (value != 0)
 372                 printf("\b\bOK");
 373         else {
 374                 result = -1;
 375                 printf("\b\bfailed");
 376         }
 377
 378         delay = 5;
 379         printf("\n--------Press SW11: %2d ", delay);
 380         while (delay--) {
 381                 for (i = 0; i < 100; i++) {
 382                         value = *pPORTFIO & PF4;
 383                         if (value != 0) {
 384                                 break;
 385                         }
 386                         udelay(10000);
 387                 }
 388                 printf("\b\b\b%2d ", delay);
 389         }
 390         if (value != 0)
 391                 printf("\b\bOK");
 392         else {
 393                 result = -1;
 394                 printf("\b\bfailed");
 395         }
 396
 397         delay = 5;
 398         printf("\n--------Press SW12: %2d ", delay);
 399         while (delay--) {
 400                 for (i = 0; i < 100; i++) {
 401                         value = *pPORTFIO & PF3;
 402                         if (value != 0) {
 403                                 break;
 404                         }
 405                         udelay(10000);
 406                 }
 407                 printf("\b\b\b%2d ", delay);
 408         }
 409         if (value != 0)
 410                 printf("\b\bOK");
 411         else {
 412                 result = -1;
 413                 printf("\b\bfailed");
 414         }
 415
 416         delay = 5;
 417         printf("\n--------Press SW13: %2d ", delay);
 418         while (delay--) {
 419                 for (i = 0; i < 100; i++) {
 420                         value = *pPORTFIO & PF2;
 421                         if (value != 0) {
 422                                 break;
 423                         }
 424                         udelay(10000);
 425                 }
 426                 printf("\b\b\b%2d ", delay);
 427         }
 428         if (value != 0)
 429                 printf("\b\bOK");
 430         else {
 431                 result = -1;
 432                 printf("\b\bfailed");
 433         }
 434         printf("\n");
 435         return result;
 436 }
 437 #endif