linux/arch/arm/mach-omap1/reset.c
Russell King - ARM Linux ee54dba9c3 ARM: OMAP: Allow platforms to hook reset cleanly
This adds a clean method to allow platforms to hook into the reset
code if they require to.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2011-01-27 16:39:48 -08:00

26 lines
560 B
C

/*
* OMAP1 reset support
*/
#include <linux/kernel.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <mach/system.h>
#include <plat/prcm.h>
void omap1_arch_reset(char mode, const char *cmd)
{
/*
* Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
* "Global Software Reset Affects Traffic Controller Frequency".
*/
if (cpu_is_omap5912()) {
omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), DPLL_CTL);
omap_writew(0x8, ARM_RSTCT1);
}
omap_writew(1, ARM_RSTCT1);
}
void (*arch_reset)(char, const char *) = omap1_arch_reset;