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microblaze: Support flashes on lower addresses

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Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek 2011-07-21 11:01:58 +02:00
parent 077a4e6b98
commit a93c1a171c
2 changed files with 36 additions and 1 deletions
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32
arch/microblaze/include/asm/processor.h
View File

@ -1 +1,31 @@
/* FIXME: Implement this! */ /*
* Copyright (C) 2011 Michal Simek <monstr@monstr.eu>
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __ASM_MICROBLAZE_PROCESSOR_H
#define __ASM_MICROBLAZE_PROCESSOR_H
/* References to section boundaries */
extern char __end[];
extern char __text_start[];
#endif /* __ASM_MICROBLAZE_PROCESSOR_H */

5
arch/microblaze/lib/board.c
View File

@ -31,6 +31,7 @@
#include <watchdog.h> #include <watchdog.h>
#include <stdio_dev.h> #include <stdio_dev.h>
#include <net.h> #include <net.h>
#include <asm/processor.h>
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
@ -84,6 +85,8 @@ init_fnc_t *init_sequence[] = {
NULL, NULL,
}; };
unsigned long monitor_flash_len;
void board_init (void) void board_init (void)
{ {
bd_t *bd; bd_t *bd;
@ -105,6 +108,8 @@ void board_init (void)
bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
monitor_flash_len = __end - __text_start;
/* /*
* The Malloc area is immediately below the monitor copy in DRAM * The Malloc area is immediately below the monitor copy in DRAM
* aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off * aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off