1 /* 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 12 #ifndef CONFIG_MACH_VOICEBLUE 13 #define voiceblue_reset() do {} while (0) 14 #endif 15 16 extern void omap_prcm_arch_reset(char mode); 17 arch_idle(void)18static inline void arch_idle(void) 19 { 20 cpu_do_idle(); 21 } 22 omap1_arch_reset(char mode)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 arch_reset(char mode)41static inline void arch_reset(char mode) 42 { 43 if (!cpu_class_is_omap2()) 44 omap1_arch_reset(mode); 45 else 46 omap_prcm_arch_reset(mode); 47 } 48 49 #endif 50