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 /**
  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 int checkboard(void)
  58 {
  59         printf("Board: ADI BF537 stamp board\n");
  60         printf("       Support: http://blackfin.uclinux.org/\n");
  61         return 0;
  62 }
  63
  64 #if defined(CONFIG_BFIN_IDE)
  65
  66 void cf_outb(unsigned char val, volatile unsigned char *addr)
  67 {
  68         *(addr) = val;
  69         SSYNC();
  70 }
  71
  72 unsigned char cf_inb(volatile unsigned char *addr)
  73 {
  74         volatile unsigned char c;
  75
  76         c = *(addr);
  77         SSYNC();
  78
  79         return c;
  80 }
  81
  82 void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
  83 {
  84         int i;
  85
  86         for (i = 0; i < words; i++)
  87                 *(sect_buf + i) = *(addr);
  88         SSYNC();
  89 }
  90
  91 void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
  92 {
  93         int i;
  94
  95         for (i = 0; i < words; i++)
  96                 *(addr) = *(sect_buf + i);
  97         SSYNC();
  98 }
  99 #endif                          /* CONFIG_BFIN_IDE */
 100
 101 phys_size_t initdram(int board_type)
 102 {
 103         gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
 104         gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
 105         return gd->bd->bi_memsize;
 106 }
 107
 108 #if defined(CONFIG_MISC_INIT_R)
 109 /* miscellaneous platform dependent initialisations */
 110 int misc_init_r(void)
 111 {
 112 #if defined(CONFIG_CMD_NET)
 113         char nid[32];
 114         unsigned char *pMACaddr = (unsigned char *)0x203F0000;
 115
 116         /* The 0xFF check here is to make sure we don't use the address
 117          * in flash if it's simply been erased (aka all 0xFF values) */
 118         if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) {
 119                 sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x",
 120                         pMACaddr[0], pMACaddr[1],
 121                         pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]);
 122                 setenv("ethaddr", nid);
 123         }
 124 #endif
 125
 126 #if defined(CONFIG_BFIN_IDE)
 127 #if defined(CONFIG_BFIN_TRUE_IDE)
 128         /* Enable ATASEL when in True IDE mode */
 129         printf("Using CF True IDE Mode\n");
 130         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
 131         udelay(1000);
 132 #elif defined(CONFIG_BFIN_CF_IDE)
 133         /* Disable ATASEL when we're in Common Memory Mode */
 134         printf("Using CF Common Memory Mode\n");
 135         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
 136         udelay(1000);
 137 #elif defined(CONFIG_BFIN_HDD_IDE)
 138         printf("Using HDD IDE Mode\n");
 139 #endif
 140         ide_init();
 141 #endif                          /* CONFIG_BFIN_IDE */
 142         return 0;
 143 }
 144 #endif                          /* CONFIG_MISC_INIT_R */
 145
 146 #if defined(CONFIG_BFIN_MAC)
 147
 148 int board_eth_init(bd_t *bis)
 149 {
 150         return bfin_EMAC_initialize(bis);
 151 }
 152 #endif
 153
 154 #ifdef CONFIG_POST
 155 /* Using sw10-PF5 as the hotkey */
 156 int post_hotkeys_pressed(void)
 157 {
 158         int delay = 3;
 159         int i;
 160         unsigned short value;
 161
 162         *pPORTF_FER &= ~PF5;
 163         *pPORTFIO_DIR &= ~PF5;
 164         *pPORTFIO_INEN |= PF5;
 165
 166         printf("########Press SW10 to enter Memory POST########: %2d ", delay);
 167         while (delay--) {
 168                 for (i = 0; i < 100; i++) {
 169                         value = *pPORTFIO & PF5;
 170                         if (value != 0) {
 171                                 break;
 172                         }
 173                         udelay(10000);
 174                 }
 175                 printf("\b\b\b%2d ", delay);
 176         }
 177         printf("\b\b\b 0");
 178         printf("\n");
 179         if (value == 0)
 180                 return 0;
 181         else {
 182                 printf("Hotkey has been pressed, Enter POST . . . . . .\n");
 183                 return 1;
 184         }
 185 }
 186 #endif
 187
 188 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
 189 void post_word_store(ulong a)
 190 {
 191         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 192         *save_addr = a;
 193 }
 194
 195 ulong post_word_load(void)
 196 {
 197         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 198         return *save_addr;
 199 }
 200 #endif
 201
 202 #ifdef CONFIG_POST
 203 int uart_post_test(int flags)
 204 {
 205         return 0;
 206 }
 207
 208 #define BLOCK_SIZE 0x10000
 209 #define VERIFY_ADDR 0x2000000
 210 extern int erase_block_flash(int);
 211 extern int write_data(long lStart, long lCount, uchar * pnData);
 212 int flash_post_test(int flags)
 213 {
 214         unsigned short *pbuf, *temp;
 215         int offset, n, i;
 216         int value = 0;
 217         int result = 0;
 218         printf("\n");
 219         pbuf = (unsigned short *)VERIFY_ADDR;
 220         temp = pbuf;
 221         for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
 222                 offset = (n - 7) * BLOCK_SIZE;
 223                 printf("--------Erase   block:%2d..", n);
 224                 erase_block_flash(n);
 225                 printf("OK\r");
 226                 printf("--------Program block:%2d...", n);
 227                 write_data(CONFIG_SYS_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
 228                 printf("OK\r");
 229                 printf("--------Verify  block:%2d...", n);
 230                 for (i = 0; i < BLOCK_SIZE; i += 2) {
 231                         if (*(unsigned short *)(CONFIG_SYS_FLASH_BASE + offset + i) !=
 232                             *temp++) {
 233                                 value = 1;
 234                                 result = 1;
 235                         }
 236                 }
 237                 if (value)
 238                         printf("failed\n");
 239                 else
 240                         printf("OK              %3d%%\r",
 241                                (int)(
 242                                      (n + 1 -
 243                                       FLASH_START_POST_BLOCK) *
 244                                      100 / (FLASH_END_POST_BLOCK -
 245                                             FLASH_START_POST_BLOCK)));
 246
 247                 temp = pbuf;
 248                 value = 0;
 249         }
 250         printf("\n");
 251         if (result)
 252                 return -1;
 253         else
 254                 return 0;
 255 }
 256
 257 /****************************************************
 258  * LED1 ---- PF6        LED2 ---- PF7               *
 259  * LED3 ---- PF8        LED4 ---- PF9               *
 260  * LED5 ---- PF10       LED6 ---- PF11              *
 261  ****************************************************/
 262 int led_post_test(int flags)
 263 {
 264         *pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 265         *pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
 266         *pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 267         *pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 268         udelay(1000000);
 269         printf("LED1 on");
 270         *pPORTFIO |= PF6;
 271         udelay(1000000);
 272         printf("\b\b\b\b\b\b\b");
 273         printf("LED2 on");
 274         *pPORTFIO |= PF7;
 275         udelay(1000000);
 276         printf("\b\b\b\b\b\b\b");
 277         printf("LED3 on");
 278         *pPORTFIO |= PF8;
 279         udelay(1000000);
 280         printf("\b\b\b\b\b\b\b");
 281         printf("LED4 on");
 282         *pPORTFIO |= PF9;
 283         udelay(1000000);
 284         printf("\b\b\b\b\b\b\b");
 285         printf("LED5 on");
 286         *pPORTFIO |= PF10;
 287         udelay(1000000);
 288         printf("\b\b\b\b\b\b\b");
 289         printf("lED6 on");
 290         *pPORTFIO |= PF11;
 291         printf("\b\b\b\b\b\b\b ");
 292         return 0;
 293 }
 294
 295 /************************************************
 296  *  SW10 ---- PF5       SW11 ---- PF4           *
 297  *  SW12 ---- PF3       SW13 ---- PF2           *
 298  ************************************************/
 299 int button_post_test(int flags)
 300 {
 301         int i, delay = 5;
 302         unsigned short value = 0;
 303         int result = 0;
 304
 305         *pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
 306         *pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
 307         *pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
 308
 309         printf("\n--------Press SW10: %2d ", delay);
 310         while (delay--) {
 311                 for (i = 0; i < 100; i++) {
 312                         value = *pPORTFIO & PF5;
 313                         if (value != 0) {
 314                                 break;
 315                         }
 316                         udelay(10000);
 317                 }
 318                 printf("\b\b\b%2d ", delay);
 319         }
 320         if (value != 0)
 321                 printf("\b\bOK");
 322         else {
 323                 result = -1;
 324                 printf("\b\bfailed");
 325         }
 326
 327         delay = 5;
 328         printf("\n--------Press SW11: %2d ", delay);
 329         while (delay--) {
 330                 for (i = 0; i < 100; i++) {
 331                         value = *pPORTFIO & PF4;
 332                         if (value != 0) {
 333                                 break;
 334                         }
 335                         udelay(10000);
 336                 }
 337                 printf("\b\b\b%2d ", delay);
 338         }
 339         if (value != 0)
 340                 printf("\b\bOK");
 341         else {
 342                 result = -1;
 343                 printf("\b\bfailed");
 344         }
 345
 346         delay = 5;
 347         printf("\n--------Press SW12: %2d ", delay);
 348         while (delay--) {
 349                 for (i = 0; i < 100; i++) {
 350                         value = *pPORTFIO & PF3;
 351                         if (value != 0) {
 352                                 break;
 353                         }
 354                         udelay(10000);
 355                 }
 356                 printf("\b\b\b%2d ", delay);
 357         }
 358         if (value != 0)
 359                 printf("\b\bOK");
 360         else {
 361                 result = -1;
 362                 printf("\b\bfailed");
 363         }
 364
 365         delay = 5;
 366         printf("\n--------Press SW13: %2d ", delay);
 367         while (delay--) {
 368                 for (i = 0; i < 100; i++) {
 369                         value = *pPORTFIO & PF2;
 370                         if (value != 0) {
 371                                 break;
 372                         }
 373                         udelay(10000);
 374                 }
 375                 printf("\b\b\b%2d ", delay);
 376         }
 377         if (value != 0)
 378                 printf("\b\bOK");
 379         else {
 380                 result = -1;
 381                 printf("\b\bfailed");
 382         }
 383         printf("\n");
 384         return result;
 385 }
 386 #endif