From f582d25ddec7dbe1868717a16d2ef691788cfa76 Mon Sep 17 00:00:00 2001 From: =?utf8?q?=E9=BB=84=E6=B6=9B?= Date: Mon, 26 Mar 2012 11:55:29 +0800 Subject: [PATCH] rk30: pm: enable l2x0 dynamic clk gating and standby mode --- arch/arm/mach-rk30/common.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-rk30/common.c b/arch/arm/mach-rk30/common.c index 38ab1e3ff4b5..a248992d9827 100755 --- 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 -- 2.34.1