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| author | Stefan Roese <sr@denx.de> | 2009-11-09 14:13:43 +0100 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2009-11-10 15:09:28 +0100 |
| commit | cdaed5dc31f4023610f180fe158ec8c6f5e855a3 (patch) | |
| tree | 38e92b63d1dcf9e16d92acc7992253b76681c2cf /cpu/ppc4xx/cmd_chip_config.c | |
| parent | 985edaccc4fbaef6d357d104aed08f839058a32f (diff) | |
| download | u-boot-imx-cdaed5dc31f4023610f180fe158ec8c6f5e855a3.zip u-boot-imx-cdaed5dc31f4023610f180fe158ec8c6f5e855a3.tar.gz u-boot-imx-cdaed5dc31f4023610f180fe158ec8c6f5e855a3.tar.bz2 | |
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>
Diffstat (limited to 'cpu/ppc4xx/cmd_chip_config.c')
| -rw-r--r-- | cpu/ppc4xx/cmd_chip_config.c | 6 |
1 files changed, 6 insertions, 0 deletions
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 @@ static int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) 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, |