From: shaochangliang <shaochangliang@huawei.com>
Use I2C 400KB speed for config CDR.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ming Huang <ming.huang@linaro.org>
---
Silicon/Hisilicon/Library/I2CLib/I2CLib.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/Silicon/Hisilicon/Library/I2CLib/I2CLib.c b/Silicon/Hisilicon/Library/I2CLib/I2CLib.c
index ed44ac204f..55c030a3af 100644
--- a/Silicon/Hisilicon/Library/I2CLib/I2CLib.c
+++ b/Silicon/Hisilicon/Library/I2CLib/I2CLib.c
@@ -28,6 +28,9 @@
#include "I2CLibInternal.h"
#include "I2CHw.h"
+#define I2C_100KB_SPEED 0x1
+#define I2C_400KB_SPEED 0x2
+
VOID
I2C_Delay (
UINT32 Count
@@ -158,7 +161,11 @@ I2CInit (
I2C_REG_READ (Base + I2C_CON_OFFSET, I2cControlReg.Val32);
I2cControlReg.bits.master = 1;
- I2cControlReg.bits.Speed = 0x1;
+ if(SpeedMode == Normal) {
+ I2cControlReg.bits.Speed = I2C_100KB_SPEED;
+ } else {
+ I2cControlReg.bits.Speed = I2C_400KB_SPEED;
+ }
I2cControlReg.bits.restart_en = 1;
I2cControlReg.bits.slave_disable = 1;
I2C_REG_WRITE (Base + I2C_CON_OFFSET, I2cControlReg.Val32);
--
2.17.0
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