[U-Boot] [PATCH 2/3] armv8/ls1043aqds: Return the default chennel
Wenbin Song
wenbin.song at nxp.com
Tue Mar 8 09:06:41 CET 2016
In order to avoid effecting some i2c devices
mounted on default channel, return the default
channel after retimer initialization.
Signed-off-by: Wenbin Song <wenbin.song at nxp.com>
---
board/freescale/ls1043aqds/ls1043aqds.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/board/freescale/ls1043aqds/ls1043aqds.c b/board/freescale/ls1043aqds/ls1043aqds.c
index a72fe52..fba6b88 100644
--- a/board/freescale/ls1043aqds/ls1043aqds.c
+++ b/board/freescale/ls1043aqds/ls1043aqds.c
@@ -170,8 +170,7 @@ void board_retimer_init(void)
u8 reg;
/* Retimer is connected to I2C1_CH7_CH5 */
- reg = I2C_MUX_CH7;
- i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, ®, 1);
+ select_i2c_ch_pca9547(I2C_MUX_CH7);
reg = I2C_MUX_CH5;
i2c_write(I2C_MUX_PCA_ADDR_SEC, 0, 1, ®, 1);
@@ -219,6 +218,9 @@ void board_retimer_init(void)
i2c_write(I2C_RETIMER_ADDR, 0x63, 1, ®, 1);
reg = 0xcd;
i2c_write(I2C_RETIMER_ADDR, 0x64, 1, ®, 1);
+
+ /* Return the default channel */
+ select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
}
int board_early_init_f(void)
--
2.1.0.27.g96db324
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