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 <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 #if defined(CONFIG_MISC_INIT_R)
  93 /* miscellaneous platform dependent initialisations */
  94 int misc_init_r(void)
  95 {
  96 #if defined(CONFIG_CMD_NET)
  97         char nid[32];
  98         unsigned char *pMACaddr = (unsigned char *)0x203F0000;
  99
 100         /* The 0xFF check here is to make sure we don't use the address
 101          * in flash if it's simply been erased (aka all 0xFF values) */
 102         if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) {
 103                 sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x",
 104                         pMACaddr[0], pMACaddr[1],
 105                         pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]);
 106                 setenv("ethaddr", nid);
 107         }
 108 #endif
 109
 110 #if defined(CONFIG_BFIN_IDE)
 111 #if defined(CONFIG_BFIN_TRUE_IDE)
 112         /* Enable ATASEL when in True IDE mode */
 113         printf("Using CF True IDE Mode\n");
 114         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
 115         udelay(1000);
 116 #elif defined(CONFIG_BFIN_CF_IDE)
 117         /* Disable ATASEL when we're in Common Memory Mode */
 118         printf("Using CF Common Memory Mode\n");
 119         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
 120         udelay(1000);
 121 #elif defined(CONFIG_BFIN_HDD_IDE)
 122         printf("Using HDD IDE Mode\n");
 123 #endif
 124         ide_init();
 125 #endif                          /* CONFIG_BFIN_IDE */
 126         return 0;
 127 }
 128 #endif                          /* CONFIG_MISC_INIT_R */
 129
 130 #if defined(CONFIG_BFIN_MAC)
 131
 132 int board_eth_init(bd_t *bis)
 133 {
 134         return bfin_EMAC_initialize(bis);
 135 }
 136 #endif
 137
 138 #ifdef CONFIG_POST
 139 /* Using sw10-PF5 as the hotkey */
 140 int post_hotkeys_pressed(void)
 141 {
 142         int delay = 3;
 143         int i;
 144         unsigned short value;
 145
 146         *pPORTF_FER &= ~PF5;
 147         *pPORTFIO_DIR &= ~PF5;
 148         *pPORTFIO_INEN |= PF5;
 149
 150         printf("########Press SW10 to enter Memory POST########: %2d ", delay);
 151         while (delay--) {
 152                 for (i = 0; i < 100; i++) {
 153                         value = *pPORTFIO & PF5;
 154                         if (value != 0) {
 155                                 break;
 156                         }
 157                         udelay(10000);
 158                 }
 159                 printf("\b\b\b%2d ", delay);
 160         }
 161         printf("\b\b\b 0");
 162         printf("\n");
 163         if (value == 0)
 164                 return 0;
 165         else {
 166                 printf("Hotkey has been pressed, Enter POST . . . . . .\n");
 167                 return 1;
 168         }
 169 }
 170 #endif
 171
 172 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
 173 void post_word_store(ulong a)
 174 {
 175         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 176         *save_addr = a;
 177 }
 178
 179 ulong post_word_load(void)
 180 {
 181         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 182         return *save_addr;
 183 }
 184 #endif
 185
 186 #ifdef CONFIG_POST
 187 int uart_post_test(int flags)
 188 {
 189         return 0;
 190 }
 191
 192 #define BLOCK_SIZE 0x10000
 193 #define VERIFY_ADDR 0x2000000
 194 extern int erase_block_flash(int);
 195 extern int write_data(long lStart, long lCount, uchar * pnData);
 196 int flash_post_test(int flags)
 197 {
 198         unsigned short *pbuf, *temp;
 199         int offset, n, i;
 200         int value = 0;
 201         int result = 0;
 202         printf("\n");
 203         pbuf = (unsigned short *)VERIFY_ADDR;
 204         temp = pbuf;
 205         for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
 206                 offset = (n - 7) * BLOCK_SIZE;
 207                 printf("--------Erase   block:%2d..", n);
 208                 erase_block_flash(n);
 209                 printf("OK\r");
 210                 printf("--------Program block:%2d...", n);
 211                 write_data(CONFIG_SYS_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
 212                 printf("OK\r");
 213                 printf("--------Verify  block:%2d...", n);
 214                 for (i = 0; i < BLOCK_SIZE; i += 2) {
 215                         if (*(unsigned short *)(CONFIG_SYS_FLASH_BASE + offset + i) !=
 216                             *temp++) {
 217                                 value = 1;
 218                                 result = 1;
 219                         }
 220                 }
 221                 if (value)
 222                         printf("failed\n");
 223                 else
 224                         printf("OK              %3d%%\r",
 225                                (int)(
 226                                      (n + 1 -
 227                                       FLASH_START_POST_BLOCK) *
 228                                      100 / (FLASH_END_POST_BLOCK -
 229                                             FLASH_START_POST_BLOCK)));
 230
 231                 temp = pbuf;
 232                 value = 0;
 233         }
 234         printf("\n");
 235         if (result)
 236                 return -1;
 237         else
 238                 return 0;
 239 }
 240
 241 /****************************************************
 242  * LED1 ---- PF6        LED2 ---- PF7               *
 243  * LED3 ---- PF8        LED4 ---- PF9               *
 244  * LED5 ---- PF10       LED6 ---- PF11              *
 245  ****************************************************/
 246 int led_post_test(int flags)
 247 {
 248         *pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 249         *pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
 250         *pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 251         *pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 252         udelay(1000000);
 253         printf("LED1 on");
 254         *pPORTFIO |= PF6;
 255         udelay(1000000);
 256         printf("\b\b\b\b\b\b\b");
 257         printf("LED2 on");
 258         *pPORTFIO |= PF7;
 259         udelay(1000000);
 260         printf("\b\b\b\b\b\b\b");
 261         printf("LED3 on");
 262         *pPORTFIO |= PF8;
 263         udelay(1000000);
 264         printf("\b\b\b\b\b\b\b");
 265         printf("LED4 on");
 266         *pPORTFIO |= PF9;
 267         udelay(1000000);
 268         printf("\b\b\b\b\b\b\b");
 269         printf("LED5 on");
 270         *pPORTFIO |= PF10;
 271         udelay(1000000);
 272         printf("\b\b\b\b\b\b\b");
 273         printf("lED6 on");
 274         *pPORTFIO |= PF11;
 275         printf("\b\b\b\b\b\b\b ");
 276         return 0;
 277 }
 278
 279 /************************************************
 280  *  SW10 ---- PF5       SW11 ---- PF4           *
 281  *  SW12 ---- PF3       SW13 ---- PF2           *
 282  ************************************************/
 283 int button_post_test(int flags)
 284 {
 285         int i, delay = 5;
 286         unsigned short value = 0;
 287         int result = 0;
 288
 289         *pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
 290         *pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
 291         *pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
 292
 293         printf("\n--------Press SW10: %2d ", delay);
 294         while (delay--) {
 295                 for (i = 0; i < 100; i++) {
 296                         value = *pPORTFIO & PF5;
 297                         if (value != 0) {
 298                                 break;
 299                         }
 300                         udelay(10000);
 301                 }
 302                 printf("\b\b\b%2d ", delay);
 303         }
 304         if (value != 0)
 305                 printf("\b\bOK");
 306         else {
 307                 result = -1;
 308                 printf("\b\bfailed");
 309         }
 310
 311         delay = 5;
 312         printf("\n--------Press SW11: %2d ", delay);
 313         while (delay--) {
 314                 for (i = 0; i < 100; i++) {
 315                         value = *pPORTFIO & PF4;
 316                         if (value != 0) {
 317                                 break;
 318                         }
 319                         udelay(10000);
 320                 }
 321                 printf("\b\b\b%2d ", delay);
 322         }
 323         if (value != 0)
 324                 printf("\b\bOK");
 325         else {
 326                 result = -1;
 327                 printf("\b\bfailed");
 328         }
 329
 330         delay = 5;
 331         printf("\n--------Press SW12: %2d ", delay);
 332         while (delay--) {
 333                 for (i = 0; i < 100; i++) {
 334                         value = *pPORTFIO & PF3;
 335                         if (value != 0) {
 336                                 break;
 337                         }
 338                         udelay(10000);
 339                 }
 340                 printf("\b\b\b%2d ", delay);
 341         }
 342         if (value != 0)
 343                 printf("\b\bOK");
 344         else {
 345                 result = -1;
 346                 printf("\b\bfailed");
 347         }
 348
 349         delay = 5;
 350         printf("\n--------Press SW13: %2d ", delay);
 351         while (delay--) {
 352                 for (i = 0; i < 100; i++) {
 353                         value = *pPORTFIO & PF2;
 354                         if (value != 0) {
 355                                 break;
 356                         }
 357                         udelay(10000);
 358                 }
 359                 printf("\b\b\b%2d ", delay);
 360         }
 361         if (value != 0)
 362                 printf("\b\bOK");
 363         else {
 364                 result = -1;
 365                 printf("\b\bfailed");
 366         }
 367         printf("\n");
 368         return result;
 369 }
 370 #endif