blob: c58a4ef42a4594cee264502035aba26f5103d9c4 [file] [log] [blame]
Russell Kinga09e64f2008-08-05 16:14:15 +01001/*
2 * Copied from arch/arm/mach-sa1100/include/mach/system.h
Nicolas Pitre2f82af02009-09-14 03:25:28 -04003 * Copyright (c) 1999 Nicolas Pitre <nico@fluxnic.net>
Russell Kinga09e64f2008-08-05 16:14:15 +01004 */
5#ifndef __ASM_ARCH_SYSTEM_H
6#define __ASM_ARCH_SYSTEM_H
7#include <linux/clk.h>
8
9#include <asm/mach-types.h>
10#include <mach/hardware.h>
11
Tony Lindgrence491cf2009-10-20 09:40:47 -070012#include <plat/prcm.h>
Paul Walmsleyfecb4942009-01-27 19:12:50 -070013
Russell Kinga09e64f2008-08-05 16:14:15 +010014#ifndef CONFIG_MACH_VOICEBLUE
15#define voiceblue_reset() do {} while (0)
Tony Lindgren6b0147c2009-03-23 18:07:39 -070016#else
17extern void voiceblue_reset(void);
Russell Kinga09e64f2008-08-05 16:14:15 +010018#endif
19
Russell Kinga09e64f2008-08-05 16:14:15 +010020static inline void arch_idle(void)
21{
22 cpu_do_idle();
23}
24
25static inline void omap1_arch_reset(char mode)
26{
27 /*
28 * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
29 * "Global Software Reset Affects Traffic Controller Frequency".
30 */
31 if (cpu_is_omap5912()) {
32 omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4),
33 DPLL_CTL);
34 omap_writew(0x8, ARM_RSTCT1);
35 }
36
37 if (machine_is_voiceblue())
38 voiceblue_reset();
39 else
40 omap_writew(1, ARM_RSTCT1);
41}
42
Russell Kingbe093be2009-03-19 16:20:24 +000043static inline void arch_reset(char mode, const char *cmd)
Russell Kinga09e64f2008-08-05 16:14:15 +010044{
Syed Mohammed, Khasimcc26b3b2008-10-09 17:51:41 +030045 if (!cpu_class_is_omap2())
Russell Kinga09e64f2008-08-05 16:14:15 +010046 omap1_arch_reset(mode);
47 else
48 omap_prcm_arch_reset(mode);
49}
50
51#endif