diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/system.h')
-rw-r--r-- | arch/arm/plat-omap/include/plat/system.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/system.h b/arch/arm/plat-omap/include/plat/system.h new file mode 100644 index 000000000000..ed8ec7477261 --- /dev/null +++ b/arch/arm/plat-omap/include/plat/system.h | |||
@@ -0,0 +1,51 @@ | |||
1 | /* | ||
2 | * Copied from arch/arm/mach-sa1100/include/mach/system.h | ||
3 | * Copyright (c) 1999 Nicolas Pitre <nico@fluxnic.net> | ||
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 | |||
12 | #include <mach/prcm.h> | ||
13 | |||
14 | #ifndef CONFIG_MACH_VOICEBLUE | ||
15 | #define voiceblue_reset() do {} while (0) | ||
16 | #else | ||
17 | extern void voiceblue_reset(void); | ||
18 | #endif | ||
19 | |||
20 | static inline void arch_idle(void) | ||
21 | { | ||
22 | cpu_do_idle(); | ||
23 | } | ||
24 | |||
25 | static 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 | |||
43 | static inline void arch_reset(char mode, const char *cmd) | ||
44 | { | ||
45 | if (!cpu_class_is_omap2()) | ||
46 | omap1_arch_reset(mode); | ||
47 | else | ||
48 | omap_prcm_arch_reset(mode); | ||
49 | } | ||
50 | |||
51 | #endif | ||