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 defined(CONFIG_CMD_NET)
 124         char nid[32];
 125         unsigned char *pMACaddr = (unsigned char *)0x203F0000;
 126
 127         /* The 0xFF check here is to make sure we don't use the address
 128          * in flash if it's simply been erased (aka all 0xFF values) */
 129         if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) {
 130                 sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x",
 131                         pMACaddr[0], pMACaddr[1],
 132                         pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]);
 133                 setenv("ethaddr", nid);
 134         }
 135 #endif
 136
 137 #if defined(CONFIG_BFIN_IDE)
 138 #if defined(CONFIG_BFIN_TRUE_IDE)
 139         /* Enable ATASEL when in True IDE mode */
 140         printf("Using CF True IDE Mode\n");
 141         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
 142         udelay(1000);
 143 #elif defined(CONFIG_BFIN_CF_IDE)
 144         /* Disable ATASEL when we're in Common Memory Mode */
 145         printf("Using CF Common Memory Mode\n");
 146         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
 147         udelay(1000);
 148 #elif defined(CONFIG_BFIN_HDD_IDE)
 149         printf("Using HDD IDE Mode\n");
 150 #endif
 151         ide_init();
 152 #endif                          /* CONFIG_BFIN_IDE */
 153         return 0;
 154 }
 155 #endif                          /* CONFIG_MISC_INIT_R */
 156
 157 #ifdef CONFIG_POST
 158 /* Using sw10-PF5 as the hotkey */
 159 int post_hotkeys_pressed(void)
 160 {
 161         int delay = 3;
 162         int i;
 163         unsigned short value;
 164
 165         *pPORTF_FER &= ~PF5;
 166         *pPORTFIO_DIR &= ~PF5;
 167         *pPORTFIO_INEN |= PF5;
 168
 169         printf("########Press SW10 to enter Memory POST########: %2d ", delay);
 170         while (delay--) {
 171                 for (i = 0; i < 100; i++) {
 172                         value = *pPORTFIO & PF5;
 173                         if (value != 0) {
 174                                 break;
 175                         }
 176                         udelay(10000);
 177                 }
 178                 printf("\b\b\b%2d ", delay);
 179         }
 180         printf("\b\b\b 0");
 181         printf("\n");
 182         if (value == 0)
 183                 return 0;
 184         else {
 185                 printf("Hotkey has been pressed, Enter POST . . . . . .\n");
 186                 return 1;
 187         }
 188 }
 189 #endif
 190
 191 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
 192 void post_word_store(ulong a)
 193 {
 194         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 195         *save_addr = a;
 196 }
 197
 198 ulong post_word_load(void)
 199 {
 200         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 201         return *save_addr;
 202 }
 203 #endif
 204
 205 #ifdef CONFIG_POST
 206 int uart_post_test(int flags)
 207 {
 208         return 0;
 209 }
 210
 211 #define BLOCK_SIZE 0x10000
 212 #define VERIFY_ADDR 0x2000000
 213 extern int erase_block_flash(int);
 214 extern int write_data(long lStart, long lCount, uchar * pnData);
 215 int flash_post_test(int flags)
 216 {
 217         unsigned short *pbuf, *temp;
 218         int offset, n, i;
 219         int value = 0;
 220         int result = 0;
 221         printf("\n");
 222         pbuf = (unsigned short *)VERIFY_ADDR;
 223         temp = pbuf;
 224         for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
 225                 offset = (n - 7) * BLOCK_SIZE;
 226                 printf("--------Erase   block:%2d..", n);
 227                 erase_block_flash(n);
 228                 printf("OK\r");
 229                 printf("--------Program block:%2d...", n);
 230                 write_data(CFG_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
 231                 printf("OK\r");
 232                 printf("--------Verify  block:%2d...", n);
 233                 for (i = 0; i < BLOCK_SIZE; i += 2) {
 234                         if (*(unsigned short *)(CFG_FLASH_BASE + offset + i) !=
 235                             *temp++) {
 236                                 value = 1;
 237                                 result = 1;
 238                         }
 239                 }
 240                 if (value)
 241                         printf("failed\n");
 242                 else
 243                         printf("OK              %3d%%\r",
 244                                (int)(
 245                                      (n + 1 -
 246                                       FLASH_START_POST_BLOCK) *
 247                                      100 / (FLASH_END_POST_BLOCK -
 248                                             FLASH_START_POST_BLOCK)));
 249
 250                 temp = pbuf;
 251                 value = 0;
 252         }
 253         printf("\n");
 254         if (result)
 255                 return -1;
 256         else
 257                 return 0;
 258 }
 259
 260 /****************************************************
 261  * LED1 ---- PF6        LED2 ---- PF7               *
 262  * LED3 ---- PF8        LED4 ---- PF9               *
 263  * LED5 ---- PF10       LED6 ---- PF11              *
 264  ****************************************************/
 265 int led_post_test(int flags)
 266 {
 267         *pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 268         *pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
 269         *pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 270         *pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 271         udelay(1000000);
 272         printf("LED1 on");
 273         *pPORTFIO |= PF6;
 274         udelay(1000000);
 275         printf("\b\b\b\b\b\b\b");
 276         printf("LED2 on");
 277         *pPORTFIO |= PF7;
 278         udelay(1000000);
 279         printf("\b\b\b\b\b\b\b");
 280         printf("LED3 on");
 281         *pPORTFIO |= PF8;
 282         udelay(1000000);
 283         printf("\b\b\b\b\b\b\b");
 284         printf("LED4 on");
 285         *pPORTFIO |= PF9;
 286         udelay(1000000);
 287         printf("\b\b\b\b\b\b\b");
 288         printf("LED5 on");
 289         *pPORTFIO |= PF10;
 290         udelay(1000000);
 291         printf("\b\b\b\b\b\b\b");
 292         printf("lED6 on");
 293         *pPORTFIO |= PF11;
 294         printf("\b\b\b\b\b\b\b ");
 295         return 0;
 296 }
 297
 298 /************************************************
 299  *  SW10 ---- PF5       SW11 ---- PF4           *
 300  *  SW12 ---- PF3       SW13 ---- PF2           *
 301  ************************************************/
 302 int button_post_test(int flags)
 303 {
 304         int i, delay = 5;
 305         unsigned short value = 0;
 306         int result = 0;
 307
 308         *pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
 309         *pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
 310         *pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
 311
 312         printf("\n--------Press SW10: %2d ", delay);
 313         while (delay--) {
 314                 for (i = 0; i < 100; i++) {
 315                         value = *pPORTFIO & PF5;
 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 SW11: %2d ", delay);
 332         while (delay--) {
 333                 for (i = 0; i < 100; i++) {
 334                         value = *pPORTFIO & PF4;
 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 SW12: %2d ", delay);
 351         while (delay--) {
 352                 for (i = 0; i < 100; i++) {
 353                         value = *pPORTFIO & PF3;
 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
 368         delay = 5;
 369         printf("\n--------Press SW13: %2d ", delay);
 370         while (delay--) {
 371                 for (i = 0; i < 100; i++) {
 372                         value = *pPORTFIO & PF2;
 373                         if (value != 0) {
 374                                 break;
 375                         }
 376                         udelay(10000);
 377                 }
 378                 printf("\b\b\b%2d ", delay);
 379         }
 380         if (value != 0)
 381                 printf("\b\bOK");
 382         else {
 383                 result = -1;
 384                 printf("\b\bfailed");
 385         }
 386         printf("\n");
 387         return result;
 388 }
 389 #endif