blob: 91d199b6497935acf85192494b6d2c116e43b694 [file] [log] [blame]
Russell King - ARM Linuxee54dba2011-01-27 16:39:45 -08001/*
2 * OMAP1 reset support
3 */
4#include <linux/kernel.h>
5#include <linux/io.h>
6
7#include <mach/hardware.h>
Russell King - ARM Linuxee54dba2011-01-27 16:39:45 -08008#include <plat/prcm.h>
9
Russell Kingbaa95882011-11-05 17:06:28 +000010void omap1_restart(char mode, const char *cmd)
Russell King - ARM Linuxee54dba2011-01-27 16:39:45 -080011{
12 /*
13 * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
14 * "Global Software Reset Affects Traffic Controller Frequency".
15 */
16 if (cpu_is_omap5912()) {
17 omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), DPLL_CTL);
18 omap_writew(0x8, ARM_RSTCT1);
19 }
20
21 omap_writew(1, ARM_RSTCT1);
22}