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