blob: e9b95637f7fc0808a0d2d14f1443ebb3426ae4b2 [file] [log] [blame]
Russell Kinga09e64f2008-08-05 16:14:15 +01001/*
2 * Copied from arch/arm/mach-sa1100/include/mach/system.h
3 * Copyright (c) 1999 Nicolas Pitre <nico@cam.org>
4 */
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
Paul Walmsleyfecb4942009-01-27 19:12:50 -070012#include <mach/prcm.h>
13
Russell Kinga09e64f2008-08-05 16:14:15 +010014#ifndef CONFIG_MACH_VOICEBLUE
15#define voiceblue_reset() do {} while (0)
16#endif
17
Russell Kinga09e64f2008-08-05 16:14:15 +010018static inline void arch_idle(void)
19{
20 cpu_do_idle();
21}
22
23static inline void omap1_arch_reset(char mode)
24{
25 /*
26 * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
27 * "Global Software Reset Affects Traffic Controller Frequency".
28 */
29 if (cpu_is_omap5912()) {
30 omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4),
31 DPLL_CTL);
32 omap_writew(0x8, ARM_RSTCT1);
33 }
34
35 if (machine_is_voiceblue())
36 voiceblue_reset();
37 else
38 omap_writew(1, ARM_RSTCT1);
39}
40
41static inline void arch_reset(char mode)
42{
Syed Mohammed, Khasimcc26b3b2008-10-09 17:51:41 +030043 if (!cpu_class_is_omap2())
Russell Kinga09e64f2008-08-05 16:14:15 +010044 omap1_arch_reset(mode);
45 else
46 omap_prcm_arch_reset(mode);
47}
48
49#endif