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/*
* barebox - blackfin_linux.c
*
* Copyright (c) 2005 blackfin.uclinux.org
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
/* Dummy functions, currently not in Use */
#include <common.h>
#include <command.h>
#include <image.h>
#include <environment.h>
#include <asm/byteorder.h>
#include <asm/cpu.h>
#include <asm/blackfin.h>
#include <errno.h>
#include <init.h>
#include <boot.h>
#define CMD_LINE_ADDR 0xFF900000 /* L1 scratchpad */
static int do_bootm_linux(struct image_data *idata)
{
int (*appl)(char *cmdline);
const char *cmdline = linux_bootargs_get();
char *cmdlinedest = (char *) CMD_LINE_ADDR;
int ret;
ret = bootm_load_os(idata, idata->os_address);
if (ret)
return ret;
appl = (void *)(idata->os_address + idata->os_entry);
printf("Starting Kernel at 0x%p\n", appl);
icache_disable();
strncpy(cmdlinedest, cmdline, 0x1000);
cmdlinedest[0xfff] = 0;
*(volatile unsigned long *) IMASK = 0x1f;
(*appl)(cmdlinedest);
return -1;
}
static struct image_handler handler = {
.name = "Blackfin Linux",
.bootm = do_bootm_linux,
.filetype = filetype_uimage,
.ih_os = IH_OS_LINUX,
};
static int bfinlinux_register_image_handler(void)
{
return register_image_handler(&handler);
}
late_initcall(bfinlinux_register_image_handler);
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