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 00000000000..ed8ec747726 --- /dev/null +++ b/arch/arm/plat-omap/include/plat/system.h @@ -0,0 +1,51 @@ +/* + * Copied from arch/arm/mach-sa1100/include/mach/system.h + * Copyright (c) 1999 Nicolas Pitre <nico@fluxnic.net> + */ +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H +#include <linux/clk.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> + +#include <mach/prcm.h> + +#ifndef CONFIG_MACH_VOICEBLUE +#define voiceblue_reset() do {} while (0) +#else +extern void voiceblue_reset(void); +#endif + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +static inline void omap1_arch_reset(char mode) +{ + /* + * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28 + * "Global Software Reset Affects Traffic Controller Frequency". + */ + if (cpu_is_omap5912()) { + omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), + DPLL_CTL); + omap_writew(0x8, ARM_RSTCT1); + } + + if (machine_is_voiceblue()) + voiceblue_reset(); + else + omap_writew(1, ARM_RSTCT1); +} + +static inline void arch_reset(char mode, const char *cmd) +{ + if (!cpu_class_is_omap2()) + omap1_arch_reset(mode); + else + omap_prcm_arch_reset(mode); +} + +#endif |