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 #ifdef DEBUG
  88         int brate;
  89         char *tmp = getenv("baudrate");
  90         brate = simple_strtoul(tmp, NULL, 16);
  91         printf("Serial Port initialized with Baud rate = %x\n", brate);
  92         printf("SDRAM attributes:\n");
  93         printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
  94                "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
  95                3, 3, 6, 2, 3);
  96         printf("SDRAM Begin: 0x%x\n", CONFIG_SYS_SDRAM_BASE);
  97         printf("Bank size = %d MB\n", CONFIG_SYS_MAX_RAM_SIZE >> 20);
  98 #endif
  99         gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
 100         gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
 101         return CONFIG_SYS_MAX_RAM_SIZE;
 102 }
 103
 104 #if defined(CONFIG_MISC_INIT_R)
 105 /* miscellaneous platform dependent initialisations */
 106 int misc_init_r(void)
 107 {
 108 #if defined(CONFIG_CMD_NET)
 109         char nid[32];
 110         unsigned char *pMACaddr = (unsigned char *)0x203F0000;
 111
 112         /* The 0xFF check here is to make sure we don't use the address
 113          * in flash if it's simply been erased (aka all 0xFF values) */
 114         if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) {
 115                 sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x",
 116                         pMACaddr[0], pMACaddr[1],
 117                         pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]);
 118                 setenv("ethaddr", nid);
 119         }
 120 #endif
 121
 122 #if defined(CONFIG_BFIN_IDE)
 123 #if defined(CONFIG_BFIN_TRUE_IDE)
 124         /* Enable ATASEL when in True IDE mode */
 125         printf("Using CF True IDE Mode\n");
 126         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
 127         udelay(1000);
 128 #elif defined(CONFIG_BFIN_CF_IDE)
 129         /* Disable ATASEL when we're in Common Memory Mode */
 130         printf("Using CF Common Memory Mode\n");
 131         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
 132         udelay(1000);
 133 #elif defined(CONFIG_BFIN_HDD_IDE)
 134         printf("Using HDD IDE Mode\n");
 135 #endif
 136         ide_init();
 137 #endif                          /* CONFIG_BFIN_IDE */
 138         return 0;
 139 }
 140 #endif                          /* CONFIG_MISC_INIT_R */
 141
 142 #if defined(CONFIG_BFIN_MAC)
 143
 144 int board_eth_init(bd_t *bis)
 145 {
 146         return bfin_EMAC_initialize(bis);
 147 }
 148 #endif
 149
 150 #ifdef CONFIG_POST
 151 /* Using sw10-PF5 as the hotkey */
 152 int post_hotkeys_pressed(void)
 153 {
 154         int delay = 3;
 155         int i;
 156         unsigned short value;
 157
 158         *pPORTF_FER &= ~PF5;
 159         *pPORTFIO_DIR &= ~PF5;
 160         *pPORTFIO_INEN |= PF5;
 161
 162         printf("########Press SW10 to enter Memory POST########: %2d ", delay);
 163         while (delay--) {
 164                 for (i = 0; i < 100; i++) {
 165                         value = *pPORTFIO & PF5;
 166                         if (value != 0) {
 167                                 break;
 168                         }
 169                         udelay(10000);
 170                 }
 171                 printf("\b\b\b%2d ", delay);
 172         }
 173         printf("\b\b\b 0");
 174         printf("\n");
 175         if (value == 0)
 176                 return 0;
 177         else {
 178                 printf("Hotkey has been pressed, Enter POST . . . . . .\n");
 179                 return 1;
 180         }
 181 }
 182 #endif
 183
 184 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
 185 void post_word_store(ulong a)
 186 {
 187         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 188         *save_addr = a;
 189 }
 190
 191 ulong post_word_load(void)
 192 {
 193         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 194         return *save_addr;
 195 }
 196 #endif
 197
 198 #ifdef CONFIG_POST
 199 int uart_post_test(int flags)
 200 {
 201         return 0;
 202 }
 203
 204 #define BLOCK_SIZE 0x10000
 205 #define VERIFY_ADDR 0x2000000
 206 extern int erase_block_flash(int);
 207 extern int write_data(long lStart, long lCount, uchar * pnData);
 208 int flash_post_test(int flags)
 209 {
 210         unsigned short *pbuf, *temp;
 211         int offset, n, i;
 212         int value = 0;
 213         int result = 0;
 214         printf("\n");
 215         pbuf = (unsigned short *)VERIFY_ADDR;
 216         temp = pbuf;
 217         for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
 218                 offset = (n - 7) * BLOCK_SIZE;
 219                 printf("--------Erase   block:%2d..", n);
 220                 erase_block_flash(n);
 221                 printf("OK\r");
 222                 printf("--------Program block:%2d...", n);
 223                 write_data(CONFIG_SYS_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
 224                 printf("OK\r");
 225                 printf("--------Verify  block:%2d...", n);
 226                 for (i = 0; i < BLOCK_SIZE; i += 2) {
 227                         if (*(unsigned short *)(CONFIG_SYS_FLASH_BASE + offset + i) !=
 228                             *temp++) {
 229                                 value = 1;
 230                                 result = 1;
 231                         }
 232                 }
 233                 if (value)
 234                         printf("failed\n");
 235                 else
 236                         printf("OK              %3d%%\r",
 237                                (int)(
 238                                      (n + 1 -
 239                                       FLASH_START_POST_BLOCK) *
 240                                      100 / (FLASH_END_POST_BLOCK -
 241                                             FLASH_START_POST_BLOCK)));
 242
 243                 temp = pbuf;
 244                 value = 0;
 245         }
 246         printf("\n");
 247         if (result)
 248                 return -1;
 249         else
 250                 return 0;
 251 }
 252
 253 /****************************************************
 254  * LED1 ---- PF6        LED2 ---- PF7               *
 255  * LED3 ---- PF8        LED4 ---- PF9               *
 256  * LED5 ---- PF10       LED6 ---- PF11              *
 257  ****************************************************/
 258 int led_post_test(int flags)
 259 {
 260         *pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 261         *pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
 262         *pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 263         *pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 264         udelay(1000000);
 265         printf("LED1 on");
 266         *pPORTFIO |= PF6;
 267         udelay(1000000);
 268         printf("\b\b\b\b\b\b\b");
 269         printf("LED2 on");
 270         *pPORTFIO |= PF7;
 271         udelay(1000000);
 272         printf("\b\b\b\b\b\b\b");
 273         printf("LED3 on");
 274         *pPORTFIO |= PF8;
 275         udelay(1000000);
 276         printf("\b\b\b\b\b\b\b");
 277         printf("LED4 on");
 278         *pPORTFIO |= PF9;
 279         udelay(1000000);
 280         printf("\b\b\b\b\b\b\b");
 281         printf("LED5 on");
 282         *pPORTFIO |= PF10;
 283         udelay(1000000);
 284         printf("\b\b\b\b\b\b\b");
 285         printf("lED6 on");
 286         *pPORTFIO |= PF11;
 287         printf("\b\b\b\b\b\b\b ");
 288         return 0;
 289 }
 290
 291 /************************************************
 292  *  SW10 ---- PF5       SW11 ---- PF4           *
 293  *  SW12 ---- PF3       SW13 ---- PF2           *
 294  ************************************************/
 295 int button_post_test(int flags)
 296 {
 297         int i, delay = 5;
 298         unsigned short value = 0;
 299         int result = 0;
 300
 301         *pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
 302         *pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
 303         *pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
 304
 305         printf("\n--------Press SW10: %2d ", delay);
 306         while (delay--) {
 307                 for (i = 0; i < 100; i++) {
 308                         value = *pPORTFIO & PF5;
 309                         if (value != 0) {
 310                                 break;
 311                         }
 312                         udelay(10000);
 313                 }
 314                 printf("\b\b\b%2d ", delay);
 315         }
 316         if (value != 0)
 317                 printf("\b\bOK");
 318         else {
 319                 result = -1;
 320                 printf("\b\bfailed");
 321         }
 322
 323         delay = 5;
 324         printf("\n--------Press SW11: %2d ", delay);
 325         while (delay--) {
 326                 for (i = 0; i < 100; i++) {
 327                         value = *pPORTFIO & PF4;
 328                         if (value != 0) {
 329                                 break;
 330                         }
 331                         udelay(10000);
 332                 }
 333                 printf("\b\b\b%2d ", delay);
 334         }
 335         if (value != 0)
 336                 printf("\b\bOK");
 337         else {
 338                 result = -1;
 339                 printf("\b\bfailed");
 340         }
 341
 342         delay = 5;
 343         printf("\n--------Press SW12: %2d ", delay);
 344         while (delay--) {
 345                 for (i = 0; i < 100; i++) {
 346                         value = *pPORTFIO & PF3;
 347                         if (value != 0) {
 348                                 break;
 349                         }
 350                         udelay(10000);
 351                 }
 352                 printf("\b\b\b%2d ", delay);
 353         }
 354         if (value != 0)
 355                 printf("\b\bOK");
 356         else {
 357                 result = -1;
 358                 printf("\b\bfailed");
 359         }
 360
 361         delay = 5;
 362         printf("\n--------Press SW13: %2d ", delay);
 363         while (delay--) {
 364                 for (i = 0; i < 100; i++) {
 365                         value = *pPORTFIO & PF2;
 366                         if (value != 0) {
 367                                 break;
 368                         }
 369                         udelay(10000);
 370                 }
 371                 printf("\b\b\b%2d ", delay);
 372         }
 373         if (value != 0)
 374                 printf("\b\bOK");
 375         else {
 376                 result = -1;
 377                 printf("\b\bfailed");
 378         }
 379         printf("\n");
 380         return result;
 381 }
 382 #endif