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armv8/ls1043aqds: Return i2c mux to default chennel

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Return i2c mux to the default channel after accessing retimer.

Signed-off-by: Wenbin Song <wenbin.song@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Wenbin Song 2016-03-09 13:38:24 +08:00 committed by York Sun
parent 1be8d10be4
commit ec44289db5
1 changed files with 4 additions and 2 deletions

6
board/freescale/ls1043aqds/ls1043aqds.c
View File

@ -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, &reg, 1);
select_i2c_ch_pca9547(I2C_MUX_CH7);
reg = I2C_MUX_CH5;
i2c_write(I2C_MUX_PCA_ADDR_SEC, 0, 1, &reg, 1);
@ -219,6 +218,9 @@ void board_retimer_init(void)
i2c_write(I2C_RETIMER_ADDR, 0x63, 1, &reg, 1);
reg = 0xcd;
i2c_write(I2C_RETIMER_ADDR, 0x64, 1, &reg, 1);
/* Return the default channel */
select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
}
int board_early_init_f(void)