board/bf537-stamp/bf537-stamp.c

   1 /*
   2  * U-boot - main board file
   3  *
   4  * Copyright (c) 2005-2008 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/net.h>
  33 #include <net.h>
  34 #include <asm/mach-common/bits/bootrom.h>
  35 #include <netdev.h>
  36
  37 DECLARE_GLOBAL_DATA_PTR;
  38
  39 #define POST_WORD_ADDR 0xFF903FFC
  40
  41 int checkboard(void)
  42 {
  43         printf("Board: ADI BF537 stamp board\n");
  44         printf("       Support: http://blackfin.uclinux.org/\n");
  45         return 0;
  46 }
  47
  48 #if defined(CONFIG_BFIN_IDE)
  49
  50 void cf_outb(unsigned char val, volatile unsigned char *addr)
  51 {
  52         *(addr) = val;
  53         SSYNC();
  54 }
  55
  56 unsigned char cf_inb(volatile unsigned char *addr)
  57 {
  58         volatile unsigned char c;
  59
  60         c = *(addr);
  61         SSYNC();
  62
  63         return c;
  64 }
  65
  66 void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
  67 {
  68         int i;
  69
  70         for (i = 0; i < words; i++)
  71                 *(sect_buf + i) = *(addr);
  72         SSYNC();
  73 }
  74
  75 void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
  76 {
  77         int i;
  78
  79         for (i = 0; i < words; i++)
  80                 *(addr) = *(sect_buf + i);
  81         SSYNC();
  82 }
  83 #endif                          /* CONFIG_BFIN_IDE */
  84
  85 phys_size_t initdram(int board_type)
  86 {
  87         gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
  88         gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
  89         return gd->bd->bi_memsize;
  90 }
  91
  92 void board_reset(void)
  93 {
  94         /* workaround for weak pull ups on ssel */
  95         if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_SPI_MASTER) {
  96                 bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~PF10);
  97                 bfin_write_PORTFIO_SET(PF10);
  98                 udelay(1);
  99         }
 100 }
 101
 102 #ifdef CONFIG_BFIN_MAC
 103 static void board_init_enetaddr(uchar *mac_addr)
 104 {
 105 #ifdef CONFIG_SYS_NO_FLASH
 106 # define USE_MAC_IN_FLASH 0
 107 #else
 108 # define USE_MAC_IN_FLASH 1
 109 #endif
 110         bool valid_mac = false;
 111
 112         if (USE_MAC_IN_FLASH) {
 113                 /* we cram the MAC in the last flash sector */
 114                 uchar *board_mac_addr = (uchar *)0x203F0000;
 115                 if (is_valid_ether_addr(board_mac_addr)) {
 116                         memcpy(mac_addr, board_mac_addr, 6);
 117                         valid_mac = true;
 118                 }
 119         }
 120
 121         if (!valid_mac) {
 122                 puts("Warning: Generating 'random' MAC address\n");
 123                 bfin_gen_rand_mac(mac_addr);
 124         }
 125
 126         eth_setenv_enetaddr("ethaddr", mac_addr);
 127 }
 128
 129 int board_eth_init(bd_t *bis)
 130 {
 131         return bfin_EMAC_initialize(bis);
 132 }
 133 #endif
 134
 135 #if defined(CONFIG_MISC_INIT_R)
 136 /* miscellaneous platform dependent initialisations */
 137 int misc_init_r(void)
 138 {
 139 #ifdef CONFIG_BFIN_MAC
 140         uchar enetaddr[6];
 141         if (!eth_getenv_enetaddr("ethaddr", enetaddr))
 142                 board_init_enetaddr(enetaddr);
 143 #endif
 144
 145 #ifndef CONFIG_SYS_NO_FLASH
 146         /* we use the last sector for the MAC address / POST LDR */
 147         extern flash_info_t flash_info[];
 148         flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF, &flash_info[0]);
 149 #endif
 150
 151 #if defined(CONFIG_BFIN_IDE)
 152 #if defined(CONFIG_BFIN_TRUE_IDE)
 153         /* Enable ATASEL when in True IDE mode */
 154         printf("Using CF True IDE Mode\n");
 155         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
 156         udelay(1000);
 157 #elif defined(CONFIG_BFIN_CF_IDE)
 158         /* Disable ATASEL when we're in Common Memory Mode */
 159         printf("Using CF Common Memory Mode\n");
 160         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
 161         udelay(1000);
 162 #elif defined(CONFIG_BFIN_HDD_IDE)
 163         printf("Using HDD IDE Mode\n");
 164 #endif
 165         ide_init();
 166 #endif                          /* CONFIG_BFIN_IDE */
 167         return 0;
 168 }
 169 #endif                          /* CONFIG_MISC_INIT_R */
 170
 171 #ifdef CONFIG_POST
 172 /* Using sw10-PF5 as the hotkey */
 173 int post_hotkeys_pressed(void)
 174 {
 175         int delay = 3;
 176         int i;
 177         unsigned short value;
 178
 179         *pPORTF_FER &= ~PF5;
 180         *pPORTFIO_DIR &= ~PF5;
 181         *pPORTFIO_INEN |= PF5;
 182
 183         printf("########Press SW10 to enter Memory POST########: %2d ", delay);
 184         while (delay--) {
 185                 for (i = 0; i < 100; i++) {
 186                         value = *pPORTFIO & PF5;
 187                         if (value != 0) {
 188                                 break;
 189                         }
 190                         udelay(10000);
 191                 }
 192                 printf("\b\b\b%2d ", delay);
 193         }
 194         printf("\b\b\b 0");
 195         printf("\n");
 196         if (value == 0)
 197                 return 0;
 198         else {
 199                 printf("Hotkey has been pressed, Enter POST . . . . . .\n");
 200                 return 1;
 201         }
 202 }
 203 #endif
 204
 205 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
 206 void post_word_store(ulong a)
 207 {
 208         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 209         *save_addr = a;
 210 }
 211
 212 ulong post_word_load(void)
 213 {
 214         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 215         return *save_addr;
 216 }
 217 #endif
 218
 219 #ifdef CONFIG_POST
 220 int uart_post_test(int flags)
 221 {
 222         return 0;
 223 }
 224
 225 #define BLOCK_SIZE 0x10000
 226 #define VERIFY_ADDR 0x2000000
 227 extern int erase_block_flash(int);
 228 extern int write_data(long lStart, long lCount, uchar * pnData);
 229 int flash_post_test(int flags)
 230 {
 231         unsigned short *pbuf, *temp;
 232         int offset, n, i;
 233         int value = 0;
 234         int result = 0;
 235         printf("\n");
 236         pbuf = (unsigned short *)VERIFY_ADDR;
 237         temp = pbuf;
 238         for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
 239                 offset = (n - 7) * BLOCK_SIZE;
 240                 printf("--------Erase   block:%2d..", n);
 241                 erase_block_flash(n);
 242                 printf("OK\r");
 243                 printf("--------Program block:%2d...", n);
 244                 write_data(CONFIG_SYS_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
 245                 printf("OK\r");
 246                 printf("--------Verify  block:%2d...", n);
 247                 for (i = 0; i < BLOCK_SIZE; i += 2) {
 248                         if (*(unsigned short *)(CONFIG_SYS_FLASH_BASE + offset + i) !=
 249                             *temp++) {
 250                                 value = 1;
 251                                 result = 1;
 252                         }
 253                 }
 254                 if (value)
 255                         printf("failed\n");
 256                 else
 257                         printf("OK              %3d%%\r",
 258                                (int)(
 259                                      (n + 1 -
 260                                       FLASH_START_POST_BLOCK) *
 261                                      100 / (FLASH_END_POST_BLOCK -
 262                                             FLASH_START_POST_BLOCK)));
 263
 264                 temp = pbuf;
 265                 value = 0;
 266         }
 267         printf("\n");
 268         if (result)
 269                 return -1;
 270         else
 271                 return 0;
 272 }
 273
 274 /****************************************************
 275  * LED1 ---- PF6        LED2 ---- PF7               *
 276  * LED3 ---- PF8        LED4 ---- PF9               *
 277  * LED5 ---- PF10       LED6 ---- PF11              *
 278  ****************************************************/
 279 int led_post_test(int flags)
 280 {
 281         *pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 282         *pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
 283         *pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 284         *pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 285         udelay(1000000);
 286         printf("LED1 on");
 287         *pPORTFIO |= PF6;
 288         udelay(1000000);
 289         printf("\b\b\b\b\b\b\b");
 290         printf("LED2 on");
 291         *pPORTFIO |= PF7;
 292         udelay(1000000);
 293         printf("\b\b\b\b\b\b\b");
 294         printf("LED3 on");
 295         *pPORTFIO |= PF8;
 296         udelay(1000000);
 297         printf("\b\b\b\b\b\b\b");
 298         printf("LED4 on");
 299         *pPORTFIO |= PF9;
 300         udelay(1000000);
 301         printf("\b\b\b\b\b\b\b");
 302         printf("LED5 on");
 303         *pPORTFIO |= PF10;
 304         udelay(1000000);
 305         printf("\b\b\b\b\b\b\b");
 306         printf("lED6 on");
 307         *pPORTFIO |= PF11;
 308         printf("\b\b\b\b\b\b\b ");
 309         return 0;
 310 }
 311
 312 /************************************************
 313  *  SW10 ---- PF5       SW11 ---- PF4           *
 314  *  SW12 ---- PF3       SW13 ---- PF2           *
 315  ************************************************/
 316 int button_post_test(int flags)
 317 {
 318         int i, delay = 5;
 319         unsigned short value = 0;
 320         int result = 0;
 321
 322         *pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
 323         *pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
 324         *pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
 325
 326         printf("\n--------Press SW10: %2d ", delay);
 327         while (delay--) {
 328                 for (i = 0; i < 100; i++) {
 329                         value = *pPORTFIO & PF5;
 330                         if (value != 0) {
 331                                 break;
 332                         }
 333                         udelay(10000);
 334                 }
 335                 printf("\b\b\b%2d ", delay);
 336         }
 337         if (value != 0)
 338                 printf("\b\bOK");
 339         else {
 340                 result = -1;
 341                 printf("\b\bfailed");
 342         }
 343
 344         delay = 5;
 345         printf("\n--------Press SW11: %2d ", delay);
 346         while (delay--) {
 347                 for (i = 0; i < 100; i++) {
 348                         value = *pPORTFIO & PF4;
 349                         if (value != 0) {
 350                                 break;
 351                         }
 352                         udelay(10000);
 353                 }
 354                 printf("\b\b\b%2d ", delay);
 355         }
 356         if (value != 0)
 357                 printf("\b\bOK");
 358         else {
 359                 result = -1;
 360                 printf("\b\bfailed");
 361         }
 362
 363         delay = 5;
 364         printf("\n--------Press SW12: %2d ", delay);
 365         while (delay--) {
 366                 for (i = 0; i < 100; i++) {
 367                         value = *pPORTFIO & PF3;
 368                         if (value != 0) {
 369                                 break;
 370                         }
 371                         udelay(10000);
 372                 }
 373                 printf("\b\b\b%2d ", delay);
 374         }
 375         if (value != 0)
 376                 printf("\b\bOK");
 377         else {
 378                 result = -1;
 379                 printf("\b\bfailed");
 380         }
 381
 382         delay = 5;
 383         printf("\n--------Press SW13: %2d ", delay);
 384         while (delay--) {
 385                 for (i = 0; i < 100; i++) {
 386                         value = *pPORTFIO & PF2;
 387                         if (value != 0) {
 388                                 break;
 389                         }
 390                         udelay(10000);
 391                 }
 392                 printf("\b\b\b%2d ", delay);
 393         }
 394         if (value != 0)
 395                 printf("\b\bOK");
 396         else {
 397                 result = -1;
 398                 printf("\b\bfailed");
 399         }
 400         printf("\n");
 401         return result;
 402 }
 403 #endif