diff options
Diffstat (limited to 'arch/arm/mach-imx/gpc.c')
| -rw-r--r-- | arch/arm/mach-imx/gpc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c index de535cb679b3..e11159d40fb8 100644 --- a/arch/arm/mach-imx/gpc.c +++ b/arch/arm/mach-imx/gpc.c @@ -20,6 +20,7 @@ #include "common.h" #include "hardware.h" +#define GPC_CNTR 0x0 #define GPC_IMR1 0x008 #define GPC_PGC_CPU_PDN 0x2a0 #define GPC_PGC_CPU_PUPSCR 0x2a4 @@ -27,6 +28,8 @@ #define GPC_PGC_SW2ISO_SHIFT 0x8 #define GPC_PGC_SW_SHIFT 0x0 +#define GPC_CNTR_L2_PGE_SHIFT 22 + #define IMR_NUM 4 #define GPC_MAX_IRQS (IMR_NUM * 32) @@ -51,6 +54,17 @@ void imx_gpc_set_arm_power_in_lpm(bool power_off) writel_relaxed(power_off, gpc_base + GPC_PGC_CPU_PDN); } +void imx_gpc_set_l2_mem_power_in_lpm(bool power_off) +{ + u32 val; + + val = readl_relaxed(gpc_base + GPC_CNTR); + val &= ~(1 << GPC_CNTR_L2_PGE_SHIFT); + if (power_off) + val |= 1 << GPC_CNTR_L2_PGE_SHIFT; + writel_relaxed(val, gpc_base + GPC_CNTR); +} + void imx_gpc_pre_suspend(bool arm_power_off) { void __iomem *reg_imr1 = gpc_base + GPC_IMR1; |