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
  36 /**
  37  * is_valid_ether_addr - Determine if the given Ethernet address is valid
  38  * @addr: Pointer to a six-byte array containing the Ethernet address
  39  *
  40  * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not
  41  * a multicast address, and is not FF:FF:FF:FF:FF:FF.
  42  *
  43  * Return true if the address is valid.
  44  */
  45 static inline int is_valid_ether_addr(const u8 * addr)
  46 {
  47         /* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to
  48          * explicitly check for it here. */
  49         return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr);
  50 }
  51
  52 DECLARE_GLOBAL_DATA_PTR;
  53
  54 #define POST_WORD_ADDR 0xFF903FFC
  55
  56 int checkboard(void)
  57 {
  58         printf("Board: ADI BF537 stamp board\n");
  59         printf("       Support: http://blackfin.uclinux.org/\n");
  60         return 0;
  61 }
  62
  63 #if defined(CONFIG_BFIN_IDE)
  64
  65 void cf_outb(unsigned char val, volatile unsigned char *addr)
  66 {
  67         *(addr) = val;
  68         SSYNC();
  69 }
  70
  71 unsigned char cf_inb(volatile unsigned char *addr)
  72 {
  73         volatile unsigned char c;
  74
  75         c = *(addr);
  76         SSYNC();
  77
  78         return c;
  79 }
  80
  81 void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
  82 {
  83         int i;
  84
  85         for (i = 0; i < words; i++)
  86                 *(sect_buf + i) = *(addr);
  87         SSYNC();
  88 }
  89
  90 void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
  91 {
  92         int i;
  93
  94         for (i = 0; i < words; i++)
  95                 *(addr) = *(sect_buf + i);
  96         SSYNC();
  97 }
  98 #endif                          /* CONFIG_BFIN_IDE */
  99
 100 long int initdram(int board_type)
 101 {
 102 #ifdef DEBUG
 103         int brate;
 104         char *tmp = getenv("baudrate");
 105         brate = simple_strtoul(tmp, NULL, 16);
 106         printf("Serial Port initialized with Baud rate = %x\n", brate);
 107         printf("SDRAM attributes:\n");
 108         printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
 109                "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
 110                3, 3, 6, 2, 3);
 111         printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE);
 112         printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE >> 20);
 113 #endif
 114         gd->bd->bi_memstart = CFG_SDRAM_BASE;
 115         gd->bd->bi_memsize = CFG_MAX_RAM_SIZE;
 116         return CFG_MAX_RAM_SIZE;
 117 }
 118
 119 #if defined(CONFIG_MISC_INIT_R)
 120 /* miscellaneous platform dependent initialisations */
 121 int misc_init_r(void)
 122 {
 123 #if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT)
 124         char nid[32];
 125         unsigned char *pMACaddr = (unsigned char *)0x203F0000;
 126         u8 SrcAddr[6] = { 0x02, 0x80, 0xAD, 0x20, 0x31, 0xB8 };
 127
 128 #if defined(CONFIG_CMD_NET)
 129         /* The 0xFF check here is to make sure we don't use the address
 130          * in flash if it's simply been erased (aka all 0xFF values) */
 131         if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) {
 132                 sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x",
 133                         pMACaddr[0], pMACaddr[1],
 134                         pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]);
 135                 setenv("ethaddr", nid);
 136         }
 137 #endif
 138 #endif                          /* BFIN_BOOT_MODE == BF537_BYPASS_BOOT */
 139
 140 #if defined(CONFIG_BFIN_IDE)
 141 #if defined(CONFIG_BFIN_TRUE_IDE)
 142         /* Enable ATASEL when in True IDE mode */
 143         printf("Using CF True IDE Mode\n");
 144         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
 145         udelay(1000);
 146 #elif defined(CONFIG_BFIN_CF_IDE)
 147         /* Disable ATASEL when we're in Common Memory Mode */
 148         printf("Using CF Common Memory Mode\n");
 149         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
 150         udelay(1000);
 151 #elif defined(CONFIG_BFIN_HDD_IDE)
 152         printf("Using HDD IDE Mode\n");
 153 #endif
 154         ide_init();
 155 #endif                          /* CONFIG_BFIN_IDE */
 156         return 0;
 157 }
 158 #endif                          /* CONFIG_MISC_INIT_R */
 159
 160 #ifdef CONFIG_POST
 161 #if (BFIN_BOOT_MODE != BF537_BYPASS_BOOT)
 162 /* Using sw10-PF5 as the hotkey */
 163 int post_hotkeys_pressed(void)
 164 {
 165         return 0;
 166 }
 167 #else
 168 /* Using sw10-PF5 as the hotkey */
 169 int post_hotkeys_pressed(void)
 170 {
 171         int delay = 3;
 172         int i;
 173         unsigned short value;
 174
 175         *pPORTF_FER &= ~PF5;
 176         *pPORTFIO_DIR &= ~PF5;
 177         *pPORTFIO_INEN |= PF5;
 178
 179         printf("########Press SW10 to enter Memory POST########: %2d ", delay);
 180         while (delay--) {
 181                 for (i = 0; i < 100; i++) {
 182                         value = *pPORTFIO & PF5;
 183                         if (value != 0) {
 184                                 break;
 185                         }
 186                         udelay(10000);
 187                 }
 188                 printf("\b\b\b%2d ", delay);
 189         }
 190         printf("\b\b\b 0");
 191         printf("\n");
 192         if (value == 0)
 193                 return 0;
 194         else {
 195                 printf("Hotkey has been pressed, Enter POST . . . . . .\n");
 196                 return 1;
 197         }
 198 }
 199 #endif
 200 #endif
 201
 202 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
 203 void post_word_store(ulong a)
 204 {
 205         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 206         *save_addr = a;
 207 }
 208
 209 ulong post_word_load(void)
 210 {
 211         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 212         return *save_addr;
 213 }
 214 #endif
 215
 216 #ifdef CONFIG_POST
 217 int uart_post_test(int flags)
 218 {
 219         return 0;
 220 }
 221
 222 #define BLOCK_SIZE 0x10000
 223 #define VERIFY_ADDR 0x2000000
 224 extern int erase_block_flash(int);
 225 extern int write_data(long lStart, long lCount, uchar * pnData);
 226 int flash_post_test(int flags)
 227 {
 228         unsigned short *pbuf, *temp;
 229         int offset, n, i;
 230         int value = 0;
 231         int result = 0;
 232         printf("\n");
 233         pbuf = (unsigned short *)VERIFY_ADDR;
 234         temp = pbuf;
 235         for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
 236                 offset = (n - 7) * BLOCK_SIZE;
 237                 printf("--------Erase   block:%2d..", n);
 238                 erase_block_flash(n);
 239                 printf("OK\r");
 240                 printf("--------Program block:%2d...", n);
 241                 write_data(CFG_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
 242                 printf("OK\r");
 243                 printf("--------Verify  block:%2d...", n);
 244                 for (i = 0; i < BLOCK_SIZE; i += 2) {
 245                         if (*(unsigned short *)(CFG_FLASH_BASE + offset + i) !=
 246                             *temp++) {
 247                                 value = 1;
 248                                 result = 1;
 249                         }
 250                 }
 251                 if (value)
 252                         printf("failed\n");
 253                 else
 254                         printf("OK              %3d%%\r",
 255                                (int)(
 256                                      (n + 1 -
 257                                       FLASH_START_POST_BLOCK) *
 258                                      100 / (FLASH_END_POST_BLOCK -
 259                                             FLASH_START_POST_BLOCK)));
 260
 261                 temp = pbuf;
 262                 value = 0;
 263         }
 264         printf("\n");
 265         if (result)
 266                 return -1;
 267         else
 268                 return 0;
 269 }
 270
 271 /****************************************************
 272  * LED1 ---- PF6        LED2 ---- PF7               *
 273  * LED3 ---- PF8        LED4 ---- PF9               *
 274  * LED5 ---- PF10       LED6 ---- PF11              *
 275  ****************************************************/
 276 int led_post_test(int flags)
 277 {
 278         *pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 279         *pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
 280         *pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 281         *pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 282         udelay(1000000);
 283         printf("LED1 on");
 284         *pPORTFIO |= PF6;
 285         udelay(1000000);
 286         printf("\b\b\b\b\b\b\b");
 287         printf("LED2 on");
 288         *pPORTFIO |= PF7;
 289         udelay(1000000);
 290         printf("\b\b\b\b\b\b\b");
 291         printf("LED3 on");
 292         *pPORTFIO |= PF8;
 293         udelay(1000000);
 294         printf("\b\b\b\b\b\b\b");
 295         printf("LED4 on");
 296         *pPORTFIO |= PF9;
 297         udelay(1000000);
 298         printf("\b\b\b\b\b\b\b");
 299         printf("LED5 on");
 300         *pPORTFIO |= PF10;
 301         udelay(1000000);
 302         printf("\b\b\b\b\b\b\b");
 303         printf("lED6 on");
 304         *pPORTFIO |= PF11;
 305         printf("\b\b\b\b\b\b\b ");
 306         return 0;
 307 }
 308
 309 /************************************************
 310  *  SW10 ---- PF5       SW11 ---- PF4           *
 311  *  SW12 ---- PF3       SW13 ---- PF2           *
 312  ************************************************/
 313 int button_post_test(int flags)
 314 {
 315         int i, delay = 5;
 316         unsigned short value = 0;
 317         int result = 0;
 318
 319         *pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
 320         *pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
 321         *pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
 322
 323         printf("\n--------Press SW10: %2d ", delay);
 324         while (delay--) {
 325                 for (i = 0; i < 100; i++) {
 326                         value = *pPORTFIO & PF5;
 327                         if (value != 0) {
 328                                 break;
 329                         }
 330                         udelay(10000);
 331                 }
 332                 printf("\b\b\b%2d ", delay);
 333         }
 334         if (value != 0)
 335                 printf("\b\bOK");
 336         else {
 337                 result = -1;
 338                 printf("\b\bfailed");
 339         }
 340
 341         delay = 5;
 342         printf("\n--------Press SW11: %2d ", delay);
 343         while (delay--) {
 344                 for (i = 0; i < 100; i++) {
 345                         value = *pPORTFIO & PF4;
 346                         if (value != 0) {
 347                                 break;
 348                         }
 349                         udelay(10000);
 350                 }
 351                 printf("\b\b\b%2d ", delay);
 352         }
 353         if (value != 0)
 354                 printf("\b\bOK");
 355         else {
 356                 result = -1;
 357                 printf("\b\bfailed");
 358         }
 359
 360         delay = 5;
 361         printf("\n--------Press SW12: %2d ", delay);
 362         while (delay--) {
 363                 for (i = 0; i < 100; i++) {
 364                         value = *pPORTFIO & PF3;
 365                         if (value != 0) {
 366                                 break;
 367                         }
 368                         udelay(10000);
 369                 }
 370                 printf("\b\b\b%2d ", delay);
 371         }
 372         if (value != 0)
 373                 printf("\b\bOK");
 374         else {
 375                 result = -1;
 376                 printf("\b\bfailed");
 377         }
 378
 379         delay = 5;
 380         printf("\n--------Press SW13: %2d ", delay);
 381         while (delay--) {
 382                 for (i = 0; i < 100; i++) {
 383                         value = *pPORTFIO & PF2;
 384                         if (value != 0) {
 385                                 break;
 386                         }
 387                         udelay(10000);
 388                 }
 389                 printf("\b\b\b%2d ", delay);
 390         }
 391         if (value != 0)
 392                 printf("\b\bOK");
 393         else {
 394                 result = -1;
 395                 printf("\b\bfailed");
 396         }
 397         printf("\n");
 398         return result;
 399 }
 400 #endif