mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-10-04 13:22:20 +00:00
This commit does the following updates. 1. Split the common cache access from cpu.c into lib folder. 2. Rename the following cache api to adapt common.h - dcache_flush_rang -> flush_dcache_rang - icache_inval_range -> invalidate_icache_range 3. Add invalidate_dcache_range Signed-off-by: Macpaul Lin <macpaul@gmail.com>
84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/*
|
|
* (C) Copyright 2002
|
|
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
|
|
* Marius Groeger <mgroeger@sysgo.de>
|
|
*
|
|
* (C) Copyright 2002
|
|
* Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
|
|
*
|
|
* Copyright (C) 2011 Andes Technology Corporation
|
|
* Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
|
|
* Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/* CPU specific code */
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <watchdog.h>
|
|
#include <asm/cache.h>
|
|
|
|
#include <faraday/ftwdt010_wdt.h>
|
|
|
|
/*
|
|
* cleanup_before_linux() is called just before we call linux
|
|
* it prepares the processor for linux
|
|
*
|
|
* we disable interrupt and caches.
|
|
*/
|
|
int cleanup_before_linux(void)
|
|
{
|
|
disable_interrupts();
|
|
|
|
#ifdef CONFIG_MMU
|
|
/* turn off I/D-cache */
|
|
icache_disable();
|
|
dcache_disable();
|
|
|
|
/* flush I/D-cache */
|
|
invalidate_icac();
|
|
invalidate_dcac();
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
disable_interrupts();
|
|
|
|
/*
|
|
* reset to the base addr of andesboot.
|
|
* currently no ROM loader at addr 0.
|
|
* do not use reset_cpu(0);
|
|
*/
|
|
#ifdef CONFIG_FTWDT010_WATCHDOG
|
|
/*
|
|
* workaround: if we use CONFIG_HW_WATCHDOG with ftwdt010, will lead
|
|
* automatic hardware reset when booting Linux.
|
|
* Please do not use CONFIG_HW_WATCHDOG and WATCHDOG_RESET() here.
|
|
*/
|
|
ftwdt010_wdt_reset();
|
|
while (1)
|
|
;
|
|
#endif /* CONFIG_FTWDT010_WATCHDOG */
|
|
|
|
/*NOTREACHED*/
|
|
}
|