168 lines
3.9 KiB
C
168 lines
3.9 KiB
C
/*
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* U-boot - main board file
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*
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* Copyright (c) 2005-2008 Analog Devices Inc.
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*
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* (C) Copyright 2000-2004
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include <common.h>
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#include <config.h>
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#include <command.h>
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#include <asm/blackfin.h>
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#include <asm/net.h>
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#include <net.h>
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#include <asm/mach-common/bits/bootrom.h>
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#include <netdev.h>
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DECLARE_GLOBAL_DATA_PTR;
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int checkboard(void)
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{
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printf("Board: ADI BF537 stamp board\n");
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printf(" Support: http://blackfin.uclinux.org/\n");
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return 0;
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}
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#if defined(CONFIG_BFIN_IDE)
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void cf_outb(unsigned char val, volatile unsigned char *addr)
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{
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*(addr) = val;
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SSYNC();
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}
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unsigned char cf_inb(volatile unsigned char *addr)
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{
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volatile unsigned char c;
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c = *(addr);
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SSYNC();
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return c;
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}
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void cf_insw(unsigned short *sect_buf, unsigned short *addr, int words)
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{
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int i;
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for (i = 0; i < words; i++)
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*(sect_buf + i) = *(addr);
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SSYNC();
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}
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void cf_outsw(unsigned short *addr, unsigned short *sect_buf, int words)
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{
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int i;
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for (i = 0; i < words; i++)
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*(addr) = *(sect_buf + i);
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SSYNC();
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}
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#endif /* CONFIG_BFIN_IDE */
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phys_size_t initdram(int board_type)
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{
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gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
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gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
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return gd->bd->bi_memsize;
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}
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void board_reset(void)
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{
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/* workaround for weak pull ups on ssel */
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if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_SPI_MASTER) {
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bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~PF10);
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bfin_write_PORTFIO_SET(PF10);
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udelay(1);
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}
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}
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#ifdef CONFIG_BFIN_MAC
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static void board_init_enetaddr(uchar *mac_addr)
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{
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#ifdef CONFIG_SYS_NO_FLASH
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# define USE_MAC_IN_FLASH 0
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#else
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# define USE_MAC_IN_FLASH 1
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#endif
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bool valid_mac = false;
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if (USE_MAC_IN_FLASH) {
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/* we cram the MAC in the last flash sector */
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uchar *board_mac_addr = (uchar *)0x203F0000;
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if (is_valid_ether_addr(board_mac_addr)) {
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memcpy(mac_addr, board_mac_addr, 6);
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valid_mac = true;
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}
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}
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if (!valid_mac) {
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puts("Warning: Generating 'random' MAC address\n");
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bfin_gen_rand_mac(mac_addr);
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}
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eth_setenv_enetaddr("ethaddr", mac_addr);
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}
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int board_eth_init(bd_t *bis)
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{
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return bfin_EMAC_initialize(bis);
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}
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#endif
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#if defined(CONFIG_MISC_INIT_R)
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/* miscellaneous platform dependent initialisations */
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int misc_init_r(void)
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{
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#ifdef CONFIG_BFIN_MAC
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uchar enetaddr[6];
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if (!eth_getenv_enetaddr("ethaddr", enetaddr))
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board_init_enetaddr(enetaddr);
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#endif
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#ifndef CONFIG_SYS_NO_FLASH
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/* we use the last sector for the MAC address / POST LDR */
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extern flash_info_t flash_info[];
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flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF, &flash_info[0]);
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#endif
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#if defined(CONFIG_BFIN_IDE)
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#if defined(CONFIG_BFIN_TRUE_IDE)
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/* Enable ATASEL when in True IDE mode */
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printf("Using CF True IDE Mode\n");
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cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA);
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udelay(1000);
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#elif defined(CONFIG_BFIN_CF_IDE)
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/* Disable ATASEL when we're in Common Memory Mode */
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printf("Using CF Common Memory Mode\n");
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cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS);
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udelay(1000);
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#elif defined(CONFIG_BFIN_HDD_IDE)
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printf("Using HDD IDE Mode\n");
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#endif
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ide_init();
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#endif /* CONFIG_BFIN_IDE */
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return 0;
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}
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#endif /* CONFIG_MISC_INIT_R */
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