mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-12 14:16:17 +09:00
9171fc8172
All of the duplicated code for Blackfin processors and boot modes have been unified. After all, the core is the same for all processors, just the peripheral set differs (which gets handled in the drivers). Signed-off-by: Mike Frysinger <vapier@gentoo.org>
80 lines
1.6 KiB
C
80 lines
1.6 KiB
C
/*
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* U-boot - bootm.c - misc boot helper functions
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*
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* Copyright (c) 2005-2008 Analog Devices Inc.
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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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* Licensed under the GPL-2 or later.
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*/
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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 <asm/blackfin.h>
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extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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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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{
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char *dest = (char *)CMD_LINE_ADDR;
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char *bootargs = getenv("bootargs");
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if (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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void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
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bootm_headers_t *images)
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{
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int (*appl) (char *cmdline);
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char *cmdline;
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ulong ep = 0;
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if (!images->autostart)
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return;
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#ifdef SHARED_RESOURCES
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swap_to(FLASH);
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#endif
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/* find kernel entry point */
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if (images->legacy_hdr_valid) {
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ep = image_get_ep (images->legacy_hdr_os);
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#if defined(CONFIG_FIT)
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} else if (images->fit_uname_os) {
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int ret = fit_image_get_entry (images->fit_hdr_os,
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images->fit_noffset_os, &ep);
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if (ret) {
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puts ("Can't get entry point property!\n");
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goto error;
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}
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#endif
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} else {
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puts ("Could not find kernel entry point!\n");
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goto error;
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}
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appl = (int (*)(char *))ep;
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printf("Starting Kernel at = %x\n", appl);
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cmdline = make_command_line();
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icache_disable();
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dcache_disable();
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(*appl) (cmdline);
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/* does not return */
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return;
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error:
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if (images->autostart)
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do_reset (cmdtp, flag, argc, argv);
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}
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