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https://github.com/u-boot/u-boot.git
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d1f3ac9ee4
The MAC address is stored in the last flash sector rather than OTP. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
/*
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* U-boot - main board file
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*
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* Copyright (c) 2005-2009 Analog Devices Inc.
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*
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* Licensed under the GPL-2 or later.
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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 <net.h>
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#include <netdev.h>
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#include <asm/blackfin.h>
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#include <asm/net.h>
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#include <asm/mach-common/bits/otp.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 BF526 EZ-Board 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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#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 *)0x203F0096;
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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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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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return 0;
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}
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