96 lines
1.8 KiB
C
96 lines
1.8 KiB
C
/*
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* Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
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*
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* Under GPLv2
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*/
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#include <common.h>
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#include <bootstrap.h>
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#include <mach/bootstrap.h>
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#include <sizes.h>
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#include <malloc.h>
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#include <init.h>
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#if defined(CONFIG_MCI_ATMEL)
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#define is_mmc() 1
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#else
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#define is_mmc() 0
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#endif
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#ifdef CONFIG_NAND_ATMEL
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#define is_nand() 1
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#else
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#define is_nand() 0
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#endif
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#ifdef CONFIG_MTD_M25P80
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#define is_m25p80() 1
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#else
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#define is_m25p80() 0
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#endif
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#ifdef CONFIG_MTD_DATAFLASH
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#define is_dataflash() 1
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#else
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#define is_dataflash() 0
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#endif
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static void boot_seq(bool is_barebox)
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{
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char *name = is_barebox ? "barebox" : "unknown";
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int (*func)(void) = NULL;
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if (is_m25p80()) {
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func = bootstrap_board_read_m25p80();
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printf("Boot %s from m25p80\n", name);
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bootstrap_boot(func, is_barebox);
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bootstrap_err("... failed\n");
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free(func);
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}
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if (is_dataflash()) {
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printf("Boot %s from dataflash\n", name);
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func = bootstrap_board_read_dataflash();
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bootstrap_boot(func, is_barebox);
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bootstrap_err("... failed\n");
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free(func);
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}
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if (is_nand()) {
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printf("Boot %s from nand\n", name);
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func = bootstrap_read_devfs("nand0", true, SZ_128K, SZ_256K, SZ_1M);
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bootstrap_boot(func, is_barebox);
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bootstrap_err("... failed\n");
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free(func);
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}
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}
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static int at91_bootstrap(void)
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{
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int (*func)(void) = NULL;
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if (is_mmc()) {
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printf("Boot from mmc\n");
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func = bootstrap_read_disk("disk0.0", NULL);
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bootstrap_boot(func, false);
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bootstrap_err("... failed\n");
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free(func);
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}
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/* First only bootstrap_boot a barebox */
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boot_seq(true);
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/* Second bootstrap_boot any */
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boot_seq(false);
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bootstrap_err("bootstrap_booting failed\n");
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while (1);
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return 0;
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}
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static int at91_set_bootstrap(void)
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{
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barebox_main = at91_bootstrap;
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return 0;
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}
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late_initcall(at91_set_bootstrap);
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