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[U-Boot] miniarm-rk3288: set isp/vop qos priority level

Message ID 1481093080-19141-1-git-send-email-nickey.yang@rock-chips.com
State Superseded
Delegated to: Simon Glass
Headers show

Commit Message

Nickey Yang Dec. 7, 2016, 6:44 a.m. UTC 
isp-camera image will be broken when enter dual screen display mode.
We set isp qos high to solve this problem.

Signed-off-by: Nickey Yang <nickey.yang@rock-chips.com>
---

 board/rockchip/miniarm_rk3288/miniarm-rk3288.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
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Patch

diff --git a/board/rockchip/miniarm_rk3288/miniarm-rk3288.c b/board/rockchip/miniarm_rk3288/miniarm-rk3288.c
index 79541a3..7b90be5 100644
--- a/board/rockchip/miniarm_rk3288/miniarm-rk3288.c
+++ b/board/rockchip/miniarm_rk3288/miniarm-rk3288.c
@@ -5,3 +5,26 @@ 
  */
 
 #include <common.h>
+#include <asm/io.h>
+
+/* cpu axi qos priority */
+#define CPU_AXI_QOS_PRIORITY_LEVEL(h, l) \
+	((((h) & 3) << 2) | ((l) & 3))
+
+int rk_board_late_init(void)
+{
+	/* read latency configure */
+	writel(0x34, 0xffac0000 + 0x14);
+	writel(0x34, 0xffac0080 + 0x14);
+
+	/* set isp qos to highest priority */
+	writel(CPU_AXI_QOS_PRIORITY_LEVEL(2, 2), 0xffad0908);
+	writel(CPU_AXI_QOS_PRIORITY_LEVEL(2, 2), 0xffad0108);
+	writel(CPU_AXI_QOS_PRIORITY_LEVEL(2, 2), 0xffad0188);
+
+	/* set vop qos to highest priority */
+	writel(CPU_AXI_QOS_PRIORITY_LEVEL(2, 2), 0xffad0008);
+	writel(CPU_AXI_QOS_PRIORITY_LEVEL(2, 2), 0xffad0408);
+
+	return 0;
+}