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 #ifdef DEBUG
 104         int brate;
 105         char *tmp = getenv("baudrate");
 106         brate = simple_strtoul(tmp, NULL, 16);
 107         printf("Serial Port initialized with Baud rate = %x\n", brate);
 108         printf("SDRAM attributes:\n");
 109         printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles"
 110                "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n",
 111                3, 3, 6, 2, 3);
 112         printf("SDRAM Begin: 0x%x\n", CONFIG_SYS_SDRAM_BASE);
 113         printf("Bank size = %d MB\n", CONFIG_SYS_MAX_RAM_SIZE >> 20);
 114 #endif
 115         gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
 116         gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
 117         return CONFIG_SYS_MAX_RAM_SIZE;
 118 }
 119
 120 #if defined(CONFIG_MISC_INIT_R)
 121 /* miscellaneous platform dependent initialisations */
 122 int misc_init_r(void)
 123 {
 124 #if defined(CONFIG_CMD_NET)
 125         char nid[32];
 126         unsigned char *pMACaddr = (unsigned char *)0x203F0000;
 127
 128         /* The 0xFF check here is to make sure we don't use the address
 129          * in flash if it's simply been erased (aka all 0xFF values) */
 130         if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) {
 131                 sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x",
 132                         pMACaddr[0], pMACaddr[1],
 133                         pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]);
 134                 setenv("ethaddr", nid);
 135         }
 136 #endif
 137
 138 #if defined(CONFIG_BFIN_IDE)
 139 #if defined(CONFIG_BFIN_TRUE_IDE)
 140         /* Enable ATASEL when in True IDE mode */
 141         printf("Using CF True IDE Mode\n");
 142         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
 143         udelay(1000);
 144 #elif defined(CONFIG_BFIN_CF_IDE)
 145         /* Disable ATASEL when we're in Common Memory Mode */
 146         printf("Using CF Common Memory Mode\n");
 147         cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
 148         udelay(1000);
 149 #elif defined(CONFIG_BFIN_HDD_IDE)
 150         printf("Using HDD IDE Mode\n");
 151 #endif
 152         ide_init();
 153 #endif                          /* CONFIG_BFIN_IDE */
 154         return 0;
 155 }
 156 #endif                          /* CONFIG_MISC_INIT_R */
 157
 158 #if defined(CONFIG_BFIN_MAC)
 159
 160 int board_eth_init(bd_t *bis)
 161 {
 162         return bfin_EMAC_initialize(bis);
 163 }
 164 #endif
 165
 166 #ifdef CONFIG_POST
 167 /* Using sw10-PF5 as the hotkey */
 168 int post_hotkeys_pressed(void)
 169 {
 170         int delay = 3;
 171         int i;
 172         unsigned short value;
 173
 174         *pPORTF_FER &= ~PF5;
 175         *pPORTFIO_DIR &= ~PF5;
 176         *pPORTFIO_INEN |= PF5;
 177
 178         printf("########Press SW10 to enter Memory POST########: %2d ", delay);
 179         while (delay--) {
 180                 for (i = 0; i < 100; i++) {
 181                         value = *pPORTFIO & PF5;
 182                         if (value != 0) {
 183                                 break;
 184                         }
 185                         udelay(10000);
 186                 }
 187                 printf("\b\b\b%2d ", delay);
 188         }
 189         printf("\b\b\b 0");
 190         printf("\n");
 191         if (value == 0)
 192                 return 0;
 193         else {
 194                 printf("Hotkey has been pressed, Enter POST . . . . . .\n");
 195                 return 1;
 196         }
 197 }
 198 #endif
 199
 200 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
 201 void post_word_store(ulong a)
 202 {
 203         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 204         *save_addr = a;
 205 }
 206
 207 ulong post_word_load(void)
 208 {
 209         volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR;
 210         return *save_addr;
 211 }
 212 #endif
 213
 214 #ifdef CONFIG_POST
 215 int uart_post_test(int flags)
 216 {
 217         return 0;
 218 }
 219
 220 #define BLOCK_SIZE 0x10000
 221 #define VERIFY_ADDR 0x2000000
 222 extern int erase_block_flash(int);
 223 extern int write_data(long lStart, long lCount, uchar * pnData);
 224 int flash_post_test(int flags)
 225 {
 226         unsigned short *pbuf, *temp;
 227         int offset, n, i;
 228         int value = 0;
 229         int result = 0;
 230         printf("\n");
 231         pbuf = (unsigned short *)VERIFY_ADDR;
 232         temp = pbuf;
 233         for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
 234                 offset = (n - 7) * BLOCK_SIZE;
 235                 printf("--------Erase   block:%2d..", n);
 236                 erase_block_flash(n);
 237                 printf("OK\r");
 238                 printf("--------Program block:%2d...", n);
 239                 write_data(CONFIG_SYS_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
 240                 printf("OK\r");
 241                 printf("--------Verify  block:%2d...", n);
 242                 for (i = 0; i < BLOCK_SIZE; i += 2) {
 243                         if (*(unsigned short *)(CONFIG_SYS_FLASH_BASE + offset + i) !=
 244                             *temp++) {
 245                                 value = 1;
 246                                 result = 1;
 247                         }
 248                 }
 249                 if (value)
 250                         printf("failed\n");
 251                 else
 252                         printf("OK              %3d%%\r",
 253                                (int)(
 254                                      (n + 1 -
 255                                       FLASH_START_POST_BLOCK) *
 256                                      100 / (FLASH_END_POST_BLOCK -
 257                                             FLASH_START_POST_BLOCK)));
 258
 259                 temp = pbuf;
 260                 value = 0;
 261         }
 262         printf("\n");
 263         if (result)
 264                 return -1;
 265         else
 266                 return 0;
 267 }
 268
 269 /****************************************************
 270  * LED1 ---- PF6        LED2 ---- PF7               *
 271  * LED3 ---- PF8        LED4 ---- PF9               *
 272  * LED5 ---- PF10       LED6 ---- PF11              *
 273  ****************************************************/
 274 int led_post_test(int flags)
 275 {
 276         *pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 277         *pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11;
 278         *pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 279         *pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11);
 280         udelay(1000000);
 281         printf("LED1 on");
 282         *pPORTFIO |= PF6;
 283         udelay(1000000);
 284         printf("\b\b\b\b\b\b\b");
 285         printf("LED2 on");
 286         *pPORTFIO |= PF7;
 287         udelay(1000000);
 288         printf("\b\b\b\b\b\b\b");
 289         printf("LED3 on");
 290         *pPORTFIO |= PF8;
 291         udelay(1000000);
 292         printf("\b\b\b\b\b\b\b");
 293         printf("LED4 on");
 294         *pPORTFIO |= PF9;
 295         udelay(1000000);
 296         printf("\b\b\b\b\b\b\b");
 297         printf("LED5 on");
 298         *pPORTFIO |= PF10;
 299         udelay(1000000);
 300         printf("\b\b\b\b\b\b\b");
 301         printf("lED6 on");
 302         *pPORTFIO |= PF11;
 303         printf("\b\b\b\b\b\b\b ");
 304         return 0;
 305 }
 306
 307 /************************************************
 308  *  SW10 ---- PF5       SW11 ---- PF4           *
 309  *  SW12 ---- PF3       SW13 ---- PF2           *
 310  ************************************************/
 311 int button_post_test(int flags)
 312 {
 313         int i, delay = 5;
 314         unsigned short value = 0;
 315         int result = 0;
 316
 317         *pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2);
 318         *pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2);
 319         *pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2);
 320
 321         printf("\n--------Press SW10: %2d ", delay);
 322         while (delay--) {
 323                 for (i = 0; i < 100; i++) {
 324                         value = *pPORTFIO & PF5;
 325                         if (value != 0) {
 326                                 break;
 327                         }
 328                         udelay(10000);
 329                 }
 330                 printf("\b\b\b%2d ", delay);
 331         }
 332         if (value != 0)
 333                 printf("\b\bOK");
 334         else {
 335                 result = -1;
 336                 printf("\b\bfailed");
 337         }
 338
 339         delay = 5;
 340         printf("\n--------Press SW11: %2d ", delay);
 341         while (delay--) {
 342                 for (i = 0; i < 100; i++) {
 343                         value = *pPORTFIO & PF4;
 344                         if (value != 0) {
 345                                 break;
 346                         }
 347                         udelay(10000);
 348                 }
 349                 printf("\b\b\b%2d ", delay);
 350         }
 351         if (value != 0)
 352                 printf("\b\bOK");
 353         else {
 354                 result = -1;
 355                 printf("\b\bfailed");
 356         }
 357
 358         delay = 5;
 359         printf("\n--------Press SW12: %2d ", delay);
 360         while (delay--) {
 361                 for (i = 0; i < 100; i++) {
 362                         value = *pPORTFIO & PF3;
 363                         if (value != 0) {
 364                                 break;
 365                         }
 366                         udelay(10000);
 367                 }
 368                 printf("\b\b\b%2d ", delay);
 369         }
 370         if (value != 0)
 371                 printf("\b\bOK");
 372         else {
 373                 result = -1;
 374                 printf("\b\bfailed");
 375         }
 376
 377         delay = 5;
 378         printf("\n--------Press SW13: %2d ", delay);
 379         while (delay--) {
 380                 for (i = 0; i < 100; i++) {
 381                         value = *pPORTFIO & PF2;
 382                         if (value != 0) {
 383                                 break;
 384                         }
 385                         udelay(10000);
 386                 }
 387                 printf("\b\b\b%2d ", delay);
 388         }
 389         if (value != 0)
 390                 printf("\b\bOK");
 391         else {
 392                 result = -1;
 393                 printf("\b\bfailed");
 394         }
 395         printf("\n");
 396         return result;
 397 }
 398 #endif