linux/arch/arm/plat-spear/restart.c
Catalin Marinas da660b4a3b arm: Move sp810.h to include/linux/amba/
Since it is now used by code under drivers/clk/ it makes sense for this
file to be in a more generic location. This is required for building
vexpress support on arm64.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Cc: Shiraz Hashim <shiraz.hashim@st.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
2013-01-30 15:55:45 +00:00

34 lines
906 B
C

/*
* arch/arm/plat-spear/restart.c
*
* SPEAr platform specific restart functions
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar <viresh.linux@gmail.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/io.h>
#include <linux/amba/sp810.h>
#include <asm/system_misc.h>
#include <mach/spear.h>
#include <mach/generic.h>
#define SPEAR13XX_SYS_SW_RES (VA_MISC_BASE + 0x204)
void spear_restart(char mode, const char *cmd)
{
if (mode == 's') {
/* software reset, Jump into ROM at address 0 */
soft_restart(0);
} else {
/* hardware reset, Use on-chip reset capability */
#ifdef CONFIG_ARCH_SPEAR13XX
writel_relaxed(0x01, SPEAR13XX_SYS_SW_RES);
#else
sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE);
#endif
}
}