u-boot/common/cmd_spibootldr.c
Mike Frysinger dd14af7640 Blackfin: new spibootldr command
Newer Blackfin parts can an on-chip ROM that can boot LDRs over SPI flashes,
so add a new 'spibootldr' command to take advantage of it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-14 20:01:04 -04:00

37 lines
766 B
C

/*
* U-boot - spibootldr.c
*
* Copyright (c) 2005-2008 Analog Devices Inc.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* Licensed under the GPL-2 or later.
*/
#include <common.h>
#include <command.h>
#include <asm/blackfin.h>
#include <asm/mach-common/bits/bootrom.h>
int do_spibootldr(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
s32 addr;
/* Get the address */
if (argc < 2)
addr = 0;
else
addr = simple_strtoul(argv[1], NULL, 16);
printf("## Booting ldr image at SPI offset 0x%x ...\n", addr);
return bfrom_SpiBoot(addr, BFLAG_PERIPHERAL | 4, 0, NULL);
}
U_BOOT_CMD(spibootldr, 2, 0, do_spibootldr,
"boot ldr image from spi",
"[offset]\n"
" - boot ldr image stored at offset into spi\n");