mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 01:38:22 +00:00
91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
/*
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* U-boot - bf533_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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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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 <zlib.h>
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#include <asm/byteorder.h>
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#define LINUX_MAX_ENVS 256
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#define LINUX_MAX_ARGS 256
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#ifdef CONFIG_SHOW_BOOT_PROGRESS
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#include <status_led.h>
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#define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
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#else
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#define SHOW_BOOT_PROGRESS(arg)
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#endif
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#define CMD_LINE_ADDR 0xFF900000 /* L1 scratchpad */
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#ifdef SHARED_RESOURCES
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extern void swap_to(int device_id);
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#endif
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static char *make_command_line(void);
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extern image_header_t header;
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extern int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
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void do_bootm_linux(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
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ulong addr, ulong * len_ptr, int verify)
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{
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int (*appl)(char *cmdline);
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char *cmdline;
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#ifdef SHARED_RESOURCES
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swap_to(FLASH);
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#endif
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appl = (int (*)(char *))ntohl(header.ih_ep);
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printf("Starting Kernel at = %x\n", appl);
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cmdline = make_command_line();
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if(icache_status()){
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flush_instruction_cache();
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icache_disable();
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}
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if(dcache_status()){
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flush_data_cache();
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dcache_disable();
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}
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(*appl)(cmdline);
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}
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char *make_command_line(void)
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{
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char *dest = (char *) CMD_LINE_ADDR;
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char *bootargs;
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if ( (bootargs = getenv("bootargs")) == NULL )
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return NULL;
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strncpy(dest, bootargs, 0x1000);
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dest[0xfff] = 0;
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return dest;
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}
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