xref: /openbmc/linux/arch/arm/mach-omap1/reset.c (revision 7490ca1e)
1 /*
2  * OMAP1 reset support
3  */
4 #include <linux/kernel.h>
5 #include <linux/io.h>
6 
7 #include <mach/hardware.h>
8 #include <plat/prcm.h>
9 
10 void omap1_restart(char mode, const char *cmd)
11 {
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 }
23