diff options
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/system.h')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/system.h | 36 |
1 files changed, 1 insertions, 35 deletions
diff --git a/arch/arm/plat-mxc/include/mach/system.h b/arch/arm/plat-mxc/include/mach/system.h index 51f02a9d41a3..b9895d250167 100644 --- a/arch/arm/plat-mxc/include/mach/system.h +++ b/arch/arm/plat-mxc/include/mach/system.h @@ -17,43 +17,9 @@ #ifndef __ASM_ARCH_MXC_SYSTEM_H__ #define __ASM_ARCH_MXC_SYSTEM_H__ -#include <mach/hardware.h> -#include <mach/common.h> - -extern void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode); - static inline void arch_idle(void) { - /* fix i.MX31 errata TLSbo65953 and i.MX35 errata ENGcm09472 */ - if (cpu_is_mx31() || cpu_is_mx35()) { - unsigned long reg = 0; - __asm__ __volatile__( - /* disable I and D cache */ - "mrc p15, 0, %0, c1, c0, 0\n" - "bic %0, %0, #0x00001000\n" - "bic %0, %0, #0x00000004\n" - "mcr p15, 0, %0, c1, c0, 0\n" - /* invalidate I cache */ - "mov %0, #0\n" - "mcr p15, 0, %0, c7, c5, 0\n" - /* clear and invalidate D cache */ - "mov %0, #0\n" - "mcr p15, 0, %0, c7, c14, 0\n" - /* WFI */ - "mov %0, #0\n" - "mcr p15, 0, %0, c7, c0, 4\n" - "nop\n" "nop\n" "nop\n" "nop\n" - "nop\n" "nop\n" "nop\n" - /* enable I and D cache */ - "mrc p15, 0, %0, c1, c0, 0\n" - "orr %0, %0, #0x00001000\n" - "orr %0, %0, #0x00000004\n" - "mcr p15, 0, %0, c1, c0, 0\n" - : "=r" (reg)); - } else if (cpu_is_mx51()) - mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF); - else - cpu_do_idle(); + cpu_do_idle(); } void arch_reset(char mode, const char *cmd); |