OpenCloudOS-Kernel/arch/arm/mach-omap1/reset.c

26 lines
494 B
C

/*
* OMAP1 reset support
*/
#include <linux/kernel.h>
#include <linux/io.h>
#include <plat/prcm.h>
#include <mach/hardware.h>
#include "common.h"
void omap1_restart(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);
}