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 <net.h>
  34 #include "ether_bf537.h"
  35 #include <asm/mach-common/bits/bootrom.h>
  36
  37 /**
  38  * is_valid_ether_addr - Determine if the given Ethernet address is valid
  39  * @addr: Pointer to a six-byte array containing the Ethernet address
  40  *
  41  * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not
  42  * a multicast address, and is not FF:FF:FF:FF:FF:FF.
  43  *
  44  * Return true if the address is valid.
  45  */
  46 static inline int is_valid_ether_addr(const u8 * addr)
  47 {
  48         /* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to
  49          * explicitly check for it here. */
  50         return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr);
  51 }
  52
  53 DECLARE_GLOBAL_DATA_PTR;
  54
  55 #define POST_WORD_ADDR 0xFF903FFC
  56
  57 /*
  58  * the bootldr command loads an address, checks to see if there
  59  *   is a Boot stream that the on-chip BOOTROM can understand,
  60  *   and loads it via the BOOTROM Callback. It is possible
  61  *   to also add booting from SPI, or TWI, but this function does
  62  *   not currently support that.
  63  */
  64 int do_bootldr(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
  65 {
  66         ulong addr, entry;
  67         ulong *data;
  68
  69         /* Get the address */
  70         if (argc < 2) {
  71                 addr = load_addr;
  72         } else {
  73                 addr = simple_strtoul(argv[1], NULL, 16);
  74         }
  75
  76         /* Check if it is a LDR file */
  77         data = (ulong *) addr;
  78         if (*data == 0xFF800060 || *data == 0xFF800040 || *data == 0xFF800020) {
  79                 /* We want to boot from FLASH or SDRAM */
  80                 entry = _BOOTROM_BOOT_DXE_FLASH;
  81                 printf("## Booting ldr image at 0x%08lx ...\n", addr);
  82                 if (icache_status())
  83                         icache_disable();
  84                 if (dcache_status())
  85                         dcache_disable();
  86
  87               __asm__("R7=%[a];\n" "P0=%[b];\n" "JUMP (P0);\n":
  88               :[a] "d"(addr),[b] "a"(entry)
  89               :"R7", "P0");
  90
  91         } else {
  92                 printf("## No ldr image at address 0x%08lx\n", addr);
  93         }
  94
  95         return 0;
  96 }
  97
  98 U_BOOT_CMD(bootldr, 2, 0, do_bootldr,
  99            "bootldr - boot ldr image from memory\n",
 100            "[addr]\n         - boot ldr image stored in memory\n");
 101
 102 int checkboard(void)
 103 {
 104 #if (BFIN_CPU == ADSP_BF534)
 105         printf("CPU:   ADSP BF534 Rev.: 0.%d\n", *pCHIPID >> 28);
 106 #elif (BFIN_CPU == ADSP_BF536)
 107         printf("CPU:   ADSP BF536 Rev.: 0.%d\n", *pCHIPID >> 28);
 108 #else
 109         printf("CPU:   ADSP BF537 Rev.: 0.%d\n", *pCHIPID >> 28);
 110 #endif
 111         printf("Board: ADI BF537 stamp board\n");
 112         printf("       Support: http://blackfin.uclinux.org/\n");
 113         return 0;
 114 }
 115
 116 #if defined(CONFIG_BFIN_IDE)
 117
 118 void cf_outb(unsigned char val, volatile unsigned char *addr)
 119 {
 120         *(addr) = val;
 121         SSYNC();
 122 }
 123
 124 unsigned char cf_inb(volatile unsigned char *addr)
 125 {
 126         volatile unsigned char c;
 127
 128         c = *(addr);
 129         SSYNC();
 130
 131         return c;
 132 }
 133
 134 void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
 135 {
 136         int i;
 137
 138         for (i = 0; i < words; i++)
 139                 *(sect_buf + i) = *(addr);
 140         SSYNC();
 141 }
 142
 143 void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
 144 {
 145         int i;
 146
 147         for (i = 0; i < words; i++)
 148                 *(addr) = *(sect_buf + i);
 149         SSYNC();
 150 }
 151 #endif                          /* CONFIG_BFIN_IDE */
 152
 153 long int initdram(int board_type)
 154 {
 155 #ifdef DEBUG
 156         int brate;
 157         char *tmp = getenv("baudrate");
 158         brate = simple_strtoul(tmp, NULL, 16);
 159         printf("Serial Port initialized with Baud rate = %x\n", brate);
 160         printf("SDRAM attributes:\n");
 161         printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
 162                "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
 163                3, 3, 6, 2, 3);
 164         printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE);
 165         printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE >> 20);
 166 #endif
 167         gd->bd->bi_memstart = CFG_SDRAM_BASE;
 168         gd->bd->bi_memsize = CFG_MAX_RAM_SIZE;
 169         return CFG_MAX_RAM_SIZE;
 170 }
 171
 172 #if defined(CONFIG_MISC_INIT_R)
 173 /* miscellaneous platform dependent initialisations */
 174 int misc_init_r(void)
 175 {
 176 #if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT)
 177         char nid[32];
 178         unsigned char *pMACaddr = (unsigned char *)0x203F0000;
 179         u8 SrcAddr[6] = { 0x02, 0x80, 0xAD, 0x20, 0x31, 0xB8 };
 180
 181 #if defined(CONFIG_CMD_NET)
 182         /* The 0xFF check here is to make sure we don't use the address
 183          * in flash if it's simply been erased (aka all 0xFF values) */
 184         if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) {
 185                 sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x",
 186                         pMACaddr[0], pMACaddr[1],
 187                         pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]);
 188                 setenv("ethaddr", nid);
 189         }
 190         if (getenv("ethaddr")) {
 191                 SetupMacAddr(SrcAddr);
 192         }
 193 #endif
 194 #endif                          /* BFIN_BOOT_MODE == BF537_BYPASS_BOOT */
 195
 196 #if defined(CONFIG_BFIN_IDE)
 197 #if defined(CONFIG_BFIN_TRUE_IDE)
 198         /* Enable ATASEL when in True IDE mode */
 199         printf("Using CF True IDE Mode\n");
 200         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
 201         udelay(1000);
 202 #elif defined(CONFIG_BFIN_CF_IDE)
 203         /* Disable ATASEL when we're in Common Memory Mode */
 204         printf("Using CF Common Memory Mode\n");
 205         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
 206         udelay(1000);
 207 #elif defined(CONFIG_BFIN_HDD_IDE)
 208         printf("Using HDD IDE Mode\n");
 209 #endif
 210         ide_init();
 211 #endif                          /* CONFIG_BFIN_IDE */
 212         return 0;
 213 }
 214 #endif                          /* CONFIG_MISC_INIT_R */
 215
 216 #ifdef CONFIG_POST
 217 #if (BFIN_BOOT_MODE != BF537_BYPASS_BOOT)
 218 /* Using sw10-PF5 as the hotkey */
 219 int post_hotkeys_pressed(void)
 220 {
 221         return 0;
 222 }
 223 #else
 224 /* Using sw10-PF5 as the hotkey */
 225 int post_hotkeys_pressed(void)
 226 {
 227         int delay = 3;
 228         int i;
 229         unsigned short value;
 230
 231         *pPORTF_FER &= ~PF5;
 232         *pPORTFIO_DIR &= ~PF5;
 233         *pPORTFIO_INEN |= PF5;
 234
 235         printf("########Press SW10 to enter Memory POST########: %2d ", delay);
 236         while (delay--) {
 237                 for (i = 0; i < 100; i++) {
 238                         value = *pPORTFIO & PF5;
 239                         if (value != 0) {
 240                                 break;
 241                         }
 242                         udelay(10000);
 243                 }
 244                 printf("\b\b\b%2d ", delay);
 245         }
 246         printf("\b\b\b 0");
 247         printf("\n");
 248         if (value == 0)
 249                 return 0;
 250         else {
 251                 printf("Hotkey has been pressed, Enter POST . . . . . .\n");
 252                 return 1;
 253         }
 254 }
 255 #endif
 256 #endif
 257
 258 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
 259 void post_word_store(ulong a)
 260 {
 261         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 262         *save_addr = a;
 263 }
 264
 265 ulong post_word_load(void)
 266 {
 267         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 268         return *save_addr;
 269 }
 270 #endif
 271
 272 #ifdef CONFIG_POST
 273 int uart_post_test(int flags)
 274 {
 275         return 0;
 276 }
 277
 278 #define BLOCK_SIZE 0x10000
 279 #define VERIFY_ADDR 0x2000000
 280 extern int erase_block_flash(int);
 281 extern int write_data(long lStart, long lCount, uchar * pnData);
 282 int flash_post_test(int flags)
 283 {
 284         unsigned short *pbuf, *temp;
 285         int offset, n, i;
 286         int value = 0;
 287         int result = 0;
 288         printf("\n");
 289         pbuf = (unsigned short *)VERIFY_ADDR;
 290         temp = pbuf;
 291         for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
 292                 offset = (n - 7) * BLOCK_SIZE;
 293                 printf("--------Erase   block:%2d..", n);
 294                 erase_block_flash(n);
 295                 printf("OK\r");
 296                 printf("--------Program block:%2d...", n);
 297                 write_data(CFG_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
 298                 printf("OK\r");
 299                 printf("--------Verify  block:%2d...", n);
 300                 for (i = 0; i < BLOCK_SIZE; i += 2) {
 301                         if (*(unsigned short *)(CFG_FLASH_BASE + offset + i) !=
 302                             *temp++) {
 303                                 value = 1;
 304                                 result = 1;
 305                         }
 306                 }
 307                 if (value)
 308                         printf("failed\n");
 309                 else
 310                         printf("OK              %3d%%\r",
 311                                (int)(
 312                                      (n + 1 -
 313                                       FLASH_START_POST_BLOCK) *
 314                                      100 / (FLASH_END_POST_BLOCK -
 315                                             FLASH_START_POST_BLOCK)));
 316
 317                 temp = pbuf;
 318                 value = 0;
 319         }
 320         printf("\n");
 321         if (result)
 322                 return -1;
 323         else
 324                 return 0;
 325 }
 326
 327 /****************************************************
 328  * LED1 ---- PF6        LED2 ---- PF7               *
 329  * LED3 ---- PF8        LED4 ---- PF9               *
 330  * LED5 ---- PF10       LED6 ---- PF11              *
 331  ****************************************************/
 332 int led_post_test(int flags)
 333 {
 334         *pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 335         *pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
 336         *pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 337         *pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 338         udelay(1000000);
 339         printf("LED1 on");
 340         *pPORTFIO |= PF6;
 341         udelay(1000000);
 342         printf("\b\b\b\b\b\b\b");
 343         printf("LED2 on");
 344         *pPORTFIO |= PF7;
 345         udelay(1000000);
 346         printf("\b\b\b\b\b\b\b");
 347         printf("LED3 on");
 348         *pPORTFIO |= PF8;
 349         udelay(1000000);
 350         printf("\b\b\b\b\b\b\b");
 351         printf("LED4 on");
 352         *pPORTFIO |= PF9;
 353         udelay(1000000);
 354         printf("\b\b\b\b\b\b\b");
 355         printf("LED5 on");
 356         *pPORTFIO |= PF10;
 357         udelay(1000000);
 358         printf("\b\b\b\b\b\b\b");
 359         printf("lED6 on");
 360         *pPORTFIO |= PF11;
 361         printf("\b\b\b\b\b\b\b ");
 362         return 0;
 363 }
 364
 365 /************************************************
 366  *  SW10 ---- PF5       SW11 ---- PF4           *
 367  *  SW12 ---- PF3       SW13 ---- PF2           *
 368  ************************************************/
 369 int button_post_test(int flags)
 370 {
 371         int i, delay = 5;
 372         unsigned short value = 0;
 373         int result = 0;
 374
 375         *pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
 376         *pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
 377         *pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
 378
 379         printf("\n--------Press SW10: %2d ", delay);
 380         while (delay--) {
 381                 for (i = 0; i < 100; i++) {
 382                         value = *pPORTFIO & PF5;
 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 SW11: %2d ", delay);
 399         while (delay--) {
 400                 for (i = 0; i < 100; i++) {
 401                         value = *pPORTFIO & PF4;
 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 SW12: %2d ", delay);
 418         while (delay--) {
 419                 for (i = 0; i < 100; i++) {
 420                         value = *pPORTFIO & PF3;
 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
 435         delay = 5;
 436         printf("\n--------Press SW13: %2d ", delay);
 437         while (delay--) {
 438                 for (i = 0; i < 100; i++) {
 439                         value = *pPORTFIO & PF2;
 440                         if (value != 0) {
 441                                 break;
 442                         }
 443                         udelay(10000);
 444                 }
 445                 printf("\b\b\b%2d ", delay);
 446         }
 447         if (value != 0)
 448                 printf("\b\bOK");
 449         else {
 450                 result = -1;
 451                 printf("\b\bfailed");
 452         }
 453         printf("\n");
 454         return result;
 455 }
 456 #endif