From f582d25ddec7dbe1868717a16d2ef691788cfa76 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=E9=BB=84=E6=B6=9B?= <huangtao@rock-chips.com>
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