diff options
| -rw-r--r-- | arch/arm/mach-imx/Makefile | 5 | ||||
| -rw-r--r-- | arch/arm/mach-imx/common.h | 8 | ||||
| -rw-r--r-- | arch/arm/mach-imx/headsmp.S | 36 | ||||
| -rw-r--r-- | arch/arm/mach-imx/suspend-imx6.S | 33 |
4 files changed, 43 insertions, 39 deletions
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 979ff84b2385..b4c19cda67e8 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -103,9 +103,10 @@ obj-$(CONFIG_SOC_IMX6Q) += clk-imx6q.o mach-imx6q.o obj-$(CONFIG_SOC_IMX6SL) += clk-imx6sl.o mach-imx6sl.o AFLAGS_suspend-imx6.o :=-Wa,-march=armv7-a -obj-$(CONFIG_SOC_IMX6Q) += pm-imx6q.o headsmp.o suspend-imx6.o +obj-$(CONFIG_SUSPEND) += suspend-imx6.o +obj-$(CONFIG_SOC_IMX6Q) += pm-imx6q.o headsmp.o # i.MX6SL reuses i.MX6Q code -obj-$(CONFIG_SOC_IMX6SL) += pm-imx6q.o headsmp.o suspend-imx6.o +obj-$(CONFIG_SOC_IMX6SL) += pm-imx6q.o headsmp.o # i.MX5 based machines obj-$(CONFIG_MACH_MX51_BABBAGE) += mach-mx51_babbage.o diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h index 91d69ccf7c76..b5241ea76706 100644 --- a/arch/arm/mach-imx/common.h +++ b/arch/arm/mach-imx/common.h @@ -116,7 +116,6 @@ void imx_enable_cpu(int cpu, bool enable); void imx_set_cpu_jump(int cpu, void *jump_addr); u32 imx_get_cpu_arg(int cpu); void imx_set_cpu_arg(int cpu, u32 arg); -void v7_cpu_resume(void); #ifdef CONFIG_SMP void v7_secondary_startup(void); void imx_scu_map_io(void); @@ -145,7 +144,14 @@ void imx6sl_set_wait_clk(bool enter); void imx_cpu_die(unsigned int cpu); int imx_cpu_kill(unsigned int cpu); +#ifdef CONFIG_SUSPEND +void v7_cpu_resume(void); void imx6_suspend(void __iomem *ocram_vbase); +#else +static inline void v7_cpu_resume(void) {} +static inline void imx6_suspend(void __iomem *ocram_vbase) {} +#endif + void imx6q_pm_init(void); void imx6dl_pm_init(void); void imx6sl_pm_init(void); diff --git a/arch/arm/mach-imx/headsmp.S b/arch/arm/mach-imx/headsmp.S index 627f16f0e9d1..e4b9fed8144d 100644 --- a/arch/arm/mach-imx/headsmp.S +++ b/arch/arm/mach-imx/headsmp.S @@ -12,8 +12,6 @@ #include <linux/linkage.h> #include <linux/init.h> -#include <asm/asm-offsets.h> -#include <asm/hardware/cache-l2x0.h> .section ".text.head", "ax" @@ -35,37 +33,3 @@ ENTRY(v7_secondary_startup) b secondary_startup ENDPROC(v7_secondary_startup) #endif - -#ifdef CONFIG_ARM_CPU_SUSPEND -/* - * The following code must assume it is running from physical address - * where absolute virtual addresses to the data section have to be - * turned into relative ones. - */ - -#ifdef CONFIG_CACHE_L2X0 - .macro pl310_resume - adr r0, l2x0_saved_regs_offset - ldr r2, [r0] - add r2, r2, r0 - ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0 - ldr r1, [r2, #L2X0_R_AUX_CTRL] @ get aux_ctrl value - str r1, [r0, #L2X0_AUX_CTRL] @ restore aux_ctrl - mov r1, #0x1 - str r1, [r0, #L2X0_CTRL] @ re-enable L2 - .endm - -l2x0_saved_regs_offset: - .word l2x0_saved_regs - . - -#else - .macro pl310_resume - .endm -#endif - -ENTRY(v7_cpu_resume) - bl v7_invalidate_l1 - pl310_resume - b cpu_resume -ENDPROC(v7_cpu_resume) -#endif diff --git a/arch/arm/mach-imx/suspend-imx6.S b/arch/arm/mach-imx/suspend-imx6.S index 81b9d1da2f21..20048ff05739 100644 --- a/arch/arm/mach-imx/suspend-imx6.S +++ b/arch/arm/mach-imx/suspend-imx6.S @@ -10,6 +10,7 @@ */ #include <linux/linkage.h> +#include <asm/asm-offsets.h> #include <asm/hardware/cache-l2x0.h> #include "hardware.h" @@ -326,3 +327,35 @@ resume: mov pc, lr ENDPROC(imx6_suspend) + +/* + * The following code must assume it is running from physical address + * where absolute virtual addresses to the data section have to be + * turned into relative ones. + */ + +#ifdef CONFIG_CACHE_L2X0 + .macro pl310_resume + adr r0, l2x0_saved_regs_offset + ldr r2, [r0] + add r2, r2, r0 + ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0 + ldr r1, [r2, #L2X0_R_AUX_CTRL] @ get aux_ctrl value + str r1, [r0, #L2X0_AUX_CTRL] @ restore aux_ctrl + mov r1, #0x1 + str r1, [r0, #L2X0_CTRL] @ re-enable L2 + .endm + +l2x0_saved_regs_offset: + .word l2x0_saved_regs - . + +#else + .macro pl310_resume + .endm +#endif + +ENTRY(v7_cpu_resume) + bl v7_invalidate_l1 + pl310_resume + b cpu_resume +ENDPROC(v7_cpu_resume) |
