mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 03:08:31 +00:00
dd14af7640
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>
36 lines
766 B
C
36 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");
|