ppc4xx: Switch to I2C bus numer 0 for chip_config command
All currently available 4xx derivats have the I2C bootstrap EEPROM
located on I2C bus number 0. This patch now first sets this bus number,
so that the chip_config command also works for board with multiple
I2C busses, like Katmai.
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/cpu/ppc4xx/cmd_chip_config.c b/cpu/ppc4xx/cmd_chip_config.c
index d360d5b..ba57211 100644
--- a/cpu/ppc4xx/cmd_chip_config.c
+++ b/cpu/ppc4xx/cmd_chip_config.c
@@ -52,6 +52,12 @@
int cur_config_nr = -1;
u8 cur_config[CONFIG_4xx_CONFIG_BLOCKSIZE];
+ /*
+ * First switch to correct I2C bus. This is I2C bus 0
+ * for all currently available 4xx derivats.
+ */
+ I2C_SET_BUS(0);
+
#ifdef CONFIG_CMD_EEPROM
ret = eeprom_read(CONFIG_4xx_CONFIG_I2C_EEPROM_ADDR,
CONFIG_4xx_CONFIG_I2C_EEPROM_OFFSET,