rk30: pm: enable l2x0 dynamic clk gating and standby mode

diff --git a/arch/arm/mach-rk30/common.c b/arch/arm/mach-rk30/common.c
index 38ab1e3ff4b5b877a0a5cbdd5e4f64a49fc0b322..a248992d9827cde86bf73ebc7c1f4104c1d1ca1c 100755 (executable)
--- a/arch/arm/mach-rk30/common.c
+++ b/arch/arm/mach-rk30/common.c
@@ -20,10 +20,14 @@ static void __init rk30_l2_cache_init(void)
 #ifdef CONFIG_CACHE_L2X0
        u32 aux_ctrl, aux_ctrl_mask;
 
-       //Tag Ram Latency All 1-cycle
+       // Tag Ram Latency All 1-cycle
        writel_relaxed(0x0, RK30_L2C_BASE + L2X0_TAG_LATENCY_CTRL);
        // Data Ram Latency [10:8] 1-cycle [6:4] 4-cycles [2:0] 2 cycles
        writel_relaxed(0x031, RK30_L2C_BASE + L2X0_DATA_LATENCY_CTRL);
+
+       /* L2X0 Power Control */
+       writel_relaxed(L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN, RK30_L2C_BASE + L2X0_POWER_CTRL);
+
        /*
          * 16-way associativity, parity disabled
          * Way size - 32KB