/* * U-boot - BF537.c * * Copyright (c) 2005-2007 Analog Devices Inc. * * (C) Copyright 2000-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, * MA 02110-1301 USA */ #include <common.h> #include <config.h> #include <command.h> #include <asm/blackfin.h> #include <asm/io.h> #include <net.h> #include <asm/mach-common/bits/bootrom.h> /** * is_valid_ether_addr - Determine if the given Ethernet address is valid * @addr: Pointer to a six-byte array containing the Ethernet address * * Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not * a multicast address, and is not FF:FF:FF:FF:FF:FF. * * Return true if the address is valid. */ static inline int is_valid_ether_addr(const u8 * addr) { /* FF:FF:FF:FF:FF:FF is a multicast address so we don't need to * explicitly check for it here. */ return !is_multicast_ether_addr(addr) && !is_zero_ether_addr(addr); } DECLARE_GLOBAL_DATA_PTR; #define POST_WORD_ADDR 0xFF903FFC int checkboard(void) { printf("Board: ADI BF537 stamp board\n"); printf(" Support: http://blackfin.uclinux.org/\n"); return 0; } #if defined(CONFIG_BFIN_IDE) void cf_outb(unsigned char val, volatile unsigned char *addr) { *(addr) = val; SSYNC(); } unsigned char cf_inb(volatile unsigned char *addr) { volatile unsigned char c; c = *(addr); SSYNC(); return c; } void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words) { int i; for (i = 0; i < words; i++) *(sect_buf + i) = *(addr); SSYNC(); } void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words) { int i; for (i = 0; i < words; i++) *(addr) = *(sect_buf + i); SSYNC(); } #endif /* CONFIG_BFIN_IDE */ phys_size_t initdram(int board_type) { #ifdef DEBUG int brate; char *tmp = getenv("baudrate"); brate = simple_strtoul(tmp, NULL, 16); printf("Serial Port initialized with Baud rate = %x\n", brate); printf("SDRAM attributes:\n"); printf("tRCD %d SCLK Cycles,tRP %d SCLK Cycles,tRAS %d SCLK Cycles" "tWR %d SCLK Cycles,CAS Latency %d SCLK cycles \n", 3, 3, 6, 2, 3); printf("SDRAM Begin: 0x%x\n", CFG_SDRAM_BASE); printf("Bank size = %d MB\n", CFG_MAX_RAM_SIZE >> 20); #endif gd->bd->bi_memstart = CFG_SDRAM_BASE; gd->bd->bi_memsize = CFG_MAX_RAM_SIZE; return CFG_MAX_RAM_SIZE; } #if defined(CONFIG_MISC_INIT_R) /* miscellaneous platform dependent initialisations */ int misc_init_r(void) { #if defined(CONFIG_CMD_NET) char nid[32]; unsigned char *pMACaddr = (unsigned char *)0x203F0000; /* The 0xFF check here is to make sure we don't use the address * in flash if it's simply been erased (aka all 0xFF values) */ if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) { sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x", pMACaddr[0], pMACaddr[1], pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]); setenv("ethaddr", nid); } #endif #if defined(CONFIG_BFIN_IDE) #if defined(CONFIG_BFIN_TRUE_IDE) /* Enable ATASEL when in True IDE mode */ printf("Using CF True IDE Mode\n"); cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA); udelay(1000); #elif defined(CONFIG_BFIN_CF_IDE) /* Disable ATASEL when we're in Common Memory Mode */ printf("Using CF Common Memory Mode\n"); cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS); udelay(1000); #elif defined(CONFIG_BFIN_HDD_IDE) printf("Using HDD IDE Mode\n"); #endif ide_init(); #endif /* CONFIG_BFIN_IDE */ return 0; } #endif /* CONFIG_MISC_INIT_R */ #ifdef CONFIG_POST /* Using sw10-PF5 as the hotkey */ int post_hotkeys_pressed(void) { int delay = 3; int i; unsigned short value; *pPORTF_FER &= ~PF5; *pPORTFIO_DIR &= ~PF5; *pPORTFIO_INEN |= PF5; printf("########Press SW10 to enter Memory POST########: %2d ", delay); while (delay--) { for (i = 0; i < 100; i++) { value = *pPORTFIO & PF5; if (value != 0) { break; } udelay(10000); } printf("\b\b\b%2d ", delay); } printf("\b\b\b 0"); printf("\n"); if (value == 0) return 0; else { printf("Hotkey has been pressed, Enter POST . . . . . .\n"); return 1; } } #endif #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) void post_word_store(ulong a) { volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR; *save_addr = a; } ulong post_word_load(void) { volatile ulong *save_addr = (volatile ulong *)POST_WORD_ADDR; return *save_addr; } #endif #ifdef CONFIG_POST int uart_post_test(int flags) { return 0; } #define BLOCK_SIZE 0x10000 #define VERIFY_ADDR 0x2000000 extern int erase_block_flash(int); extern int write_data(long lStart, long lCount, uchar * pnData); int flash_post_test(int flags) { unsigned short *pbuf, *temp; int offset, n, i; int value = 0; int result = 0; printf("\n"); pbuf = (unsigned short *)VERIFY_ADDR; temp = pbuf; for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) { offset = (n - 7) * BLOCK_SIZE; printf("--------Erase block:%2d..", n); erase_block_flash(n); printf("OK\r"); printf("--------Program block:%2d...", n); write_data(CFG_FLASH_BASE + offset, BLOCK_SIZE, pbuf); printf("OK\r"); printf("--------Verify block:%2d...", n); for (i = 0; i < BLOCK_SIZE; i += 2) { if (*(unsigned short *)(CFG_FLASH_BASE + offset + i) != *temp++) { value = 1; result = 1; } } if (value) printf("failed\n"); else printf("OK %3d%%\r", (int)( (n + 1 - FLASH_START_POST_BLOCK) * 100 / (FLASH_END_POST_BLOCK - FLASH_START_POST_BLOCK))); temp = pbuf; value = 0; } printf("\n"); if (result) return -1; else return 0; } /**************************************************** * LED1 ---- PF6 LED2 ---- PF7 * * LED3 ---- PF8 LED4 ---- PF9 * * LED5 ---- PF10 LED6 ---- PF11 * ****************************************************/ int led_post_test(int flags) { *pPORTF_FER &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11); *pPORTFIO_DIR |= PF6 | PF7 | PF8 | PF9 | PF10 | PF11; *pPORTFIO_INEN &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11); *pPORTFIO &= ~(PF6 | PF7 | PF8 | PF9 | PF10 | PF11); udelay(1000000); printf("LED1 on"); *pPORTFIO |= PF6; udelay(1000000); printf("\b\b\b\b\b\b\b"); printf("LED2 on"); *pPORTFIO |= PF7; udelay(1000000); printf("\b\b\b\b\b\b\b"); printf("LED3 on"); *pPORTFIO |= PF8; udelay(1000000); printf("\b\b\b\b\b\b\b"); printf("LED4 on"); *pPORTFIO |= PF9; udelay(1000000); printf("\b\b\b\b\b\b\b"); printf("LED5 on"); *pPORTFIO |= PF10; udelay(1000000); printf("\b\b\b\b\b\b\b"); printf("lED6 on"); *pPORTFIO |= PF11; printf("\b\b\b\b\b\b\b "); return 0; } /************************************************ * SW10 ---- PF5 SW11 ---- PF4 * * SW12 ---- PF3 SW13 ---- PF2 * ************************************************/ int button_post_test(int flags) { int i, delay = 5; unsigned short value = 0; int result = 0; *pPORTF_FER &= ~(PF5 | PF4 | PF3 | PF2); *pPORTFIO_DIR &= ~(PF5 | PF4 | PF3 | PF2); *pPORTFIO_INEN |= (PF5 | PF4 | PF3 | PF2); printf("\n--------Press SW10: %2d ", delay); while (delay--) { for (i = 0; i < 100; i++) { value = *pPORTFIO & PF5; if (value != 0) { break; } udelay(10000); } printf("\b\b\b%2d ", delay); } if (value != 0) printf("\b\bOK"); else { result = -1; printf("\b\bfailed"); } delay = 5; printf("\n--------Press SW11: %2d ", delay); while (delay--) { for (i = 0; i < 100; i++) { value = *pPORTFIO & PF4; if (value != 0) { break; } udelay(10000); } printf("\b\b\b%2d ", delay); } if (value != 0) printf("\b\bOK"); else { result = -1; printf("\b\bfailed"); } delay = 5; printf("\n--------Press SW12: %2d ", delay); while (delay--) { for (i = 0; i < 100; i++) { value = *pPORTFIO & PF3; if (value != 0) { break; } udelay(10000); } printf("\b\b\b%2d ", delay); } if (value != 0) printf("\b\bOK"); else { result = -1; printf("\b\bfailed"); } delay = 5; printf("\n--------Press SW13: %2d ", delay); while (delay--) { for (i = 0; i < 100; i++) { value = *pPORTFIO & PF2; if (value != 0) { break; } udelay(10000); } printf("\b\b\b%2d ", delay); } if (value != 0) printf("\b\bOK"); else { result = -1; printf("\b\bfailed"); } printf("\n"); return result; } #endif