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https://github.com/AsahiLinux/u-boot
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030103d780
Flash might be in unknown state when u-boot is started with jtag. And got wrong env data. So reset it in board early init. We cannot use generic cfi flash routines, because flash_init() is not run yet. Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*
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* (C) Copyright 2005, Psyent Corporation <www.psyent.com>
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* Scott McNutt <smcnutt@psyent.com>
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* (C) Copyright 2010, Thomas Chou <thomas@wytron.com.tw>
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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., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <netdev.h>
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#include <mtd/cfi_flash.h>
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#include <asm/io.h>
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void text_base_hook(void); /* nop hook for text_base.S */
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#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR)
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static void __early_flash_cmd_reset(void)
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{
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/* reset flash before we read env */
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writeb(AMD_CMD_RESET, CONFIG_ENV_ADDR);
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writeb(FLASH_CMD_RESET, CONFIG_ENV_ADDR);
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}
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void early_flash_cmd_reset(void)
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__attribute__((weak,alias("__early_flash_cmd_reset")));
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#endif
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int board_early_init_f(void)
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{
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text_base_hook();
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#if defined(CONFIG_ENV_IS_IN_FLASH) && defined(CONFIG_ENV_ADDR)
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early_flash_cmd_reset();
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#endif
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return 0;
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}
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int checkboard(void)
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{
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printf("BOARD : %s\n", CONFIG_BOARD_NAME);
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return 0;
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}
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phys_size_t initdram(int board_type)
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{
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return 0;
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}
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#ifdef CONFIG_CMD_NET
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int board_eth_init(bd_t *bis)
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{
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int rc = 0;
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#ifdef CONFIG_SMC91111
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rc += smc91111_initialize(0, CONFIG_SMC91111_BASE);
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#endif
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#ifdef CONFIG_DRIVER_DM9000
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rc += dm9000_initialize(bis);
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#endif
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#ifdef CONFIG_ALTERA_TSE
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rc += altera_tse_initialize(0,
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CONFIG_SYS_ALTERA_TSE_MAC_BASE,
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CONFIG_SYS_ALTERA_TSE_SGDMA_RX_BASE,
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CONFIG_SYS_ALTERA_TSE_SGDMA_TX_BASE);
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#endif
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#ifdef CONFIG_ETHOC
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rc += ethoc_initialize(0, CONFIG_SYS_ETHOC_BASE);
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#endif
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return rc;
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}
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#endif
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