mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-12 16:07:30 +00:00
0044c42e94
This patch moves all bootcount implementations into a common directory: drivers/bootcount. The generic bootcount driver is now usable not only by powerpc platforms, but others as well. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Heiko Schocher <hs@denx.de> Cc: Valentin Longchamp <valentin.longchamp@keymile.com> Cc: Christian Riesch <christian.riesch@omicron.at> Cc: Manfred Rudigier <manfred.rudigier@omicron.at> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Rob Herring <rob.herring@calxeda.com> Cc: Reinhard Meyer <reinhard.meyer@emk-elektronik.de> Tested-by: Valentin Longchamp <valentin.longchamp@keymile.com> Tested-by: Christian Riesch <christian.riesch@omicron.at> Acked-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Mike Frysinger <vapier@gentoo.org>
73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
|
|
* (C) Copyright 2010
|
|
* Reinhard Meyer, reinhard.meyer@emk-elektronik.de
|
|
* (C) Copyright 2009
|
|
* Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.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
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/hardware.h>
|
|
#include <asm/arch/at91_pmc.h>
|
|
#include <asm/arch/at91_pit.h>
|
|
#include <asm/arch/at91_gpbr.h>
|
|
#include <asm/arch/clk.h>
|
|
|
|
#ifndef CONFIG_SYS_AT91_MAIN_CLOCK
|
|
#define CONFIG_SYS_AT91_MAIN_CLOCK 0
|
|
#endif
|
|
|
|
int arch_cpu_init(void)
|
|
{
|
|
return at91_clock_init(CONFIG_SYS_AT91_MAIN_CLOCK);
|
|
}
|
|
|
|
void arch_preboot_os(void)
|
|
{
|
|
ulong cpiv;
|
|
at91_pit_t *pit = (at91_pit_t *) ATMEL_BASE_PIT;
|
|
|
|
cpiv = AT91_PIT_MR_PIV_MASK(readl(&pit->piir));
|
|
|
|
/*
|
|
* Disable PITC
|
|
* Add 0x1000 to current counter to stop it faster
|
|
* without waiting for wrapping back to 0
|
|
*/
|
|
writel(cpiv + 0x1000, &pit->mr);
|
|
}
|
|
|
|
#if defined(CONFIG_DISPLAY_CPUINFO)
|
|
int print_cpuinfo(void)
|
|
{
|
|
char buf[32];
|
|
|
|
printf("CPU: %s\n", ATMEL_CPU_NAME);
|
|
printf("Crystal frequency: %8s MHz\n",
|
|
strmhz(buf, get_main_clk_rate()));
|
|
printf("CPU clock : %8s MHz\n",
|
|
strmhz(buf, get_cpu_clk_rate()));
|
|
printf("Master clock : %8s MHz\n",
|
|
strmhz(buf, get_mck_clk_rate()));
|
|
|
|
return 0;
|
|
}
|
|
#endif
|