From 5271307dd7421a9b9cba2da1c804f33752795b2f Mon Sep 17 00:00:00 2001 From: Jason Chen Date: Thu, 12 Jan 2012 15:36:26 +0800 Subject: arm: imx6q: add axi cache and qos setting Signed-off-by: Jason Chen Signed-off-by: Eric Miao --- arch/arm/cpu/armv7/mx6/soc.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index dff5e4efd..7cf7ef16a 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -54,10 +54,21 @@ void init_aips(void) writel(0x77777777, reg + 0x04); } +void init_axi_cache_qos(void) +{ + /* enable AXI cache for VDOA/VPU/IPU */ + writel(0xf00000ff, IOMUXC_BASE_ADDR + 0x010); + /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */ + writel(0x007f007f, IOMUXC_BASE_ADDR + 0x018); + writel(0x007f007f, IOMUXC_BASE_ADDR + 0x01c); +} + int arch_cpu_init(void) { init_aips(); + init_axi_cache_qos(); + return 0; } #endif -- cgit v1.2.3