[U-Boot] [PATCH 16/17] eeprom: Add support for selecting i2c bus

[Heiko Schocher <hs@denx.de>]

Hello Marek,

Am 10.11.2015 um 20:53 schrieb Marek Vasut:
> Add additional parameter into the eeprom command to select
> the I2C bus on which the eeprom resides.
>
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: Simon Glass <sjg@chromium.org>
> Cc: Tom Rini <trini@konsulko.com>
> Cc: Heiko Schocher <hs@denx.de>
> ---
>   common/cmd_eeprom.c | 15 +++++++++++----
>   1 file changed, 11 insertions(+), 4 deletions(-)

Reviewed-by: Heiko Schocher <hs@denx.de>

bye,
Heiko
>
> diff --git a/common/cmd_eeprom.c b/common/cmd_eeprom.c
> index 9247036..13c946e 100644
> --- a/common/cmd_eeprom.c
> +++ b/common/cmd_eeprom.c
> @@ -207,14 +207,21 @@ static int do_eeprom(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
>   	char * const *args = &argv[2];
>   	int rcode;
>   	ulong dev_addr, addr, off, cnt;
> +	int bus_addr;
>
>   	switch (argc) {
>   #ifdef CONFIG_SYS_DEF_EEPROM_ADDR
>   	case 5:
> +		bus_addr = -1;
>   		dev_addr = CONFIG_SYS_DEF_EEPROM_ADDR;
>   		break;
>   #endif
>   	case 6:
> +		bus_addr = -1;
> +		dev_addr = simple_strtoul(*args++, NULL, 16);
> +		break;
> +	case 7:
> +		bus_addr = simple_strtoul(*args++, NULL, 16);
>   		dev_addr = simple_strtoul(*args++, NULL, 16);
>   		break;
>   	default:
> @@ -225,7 +232,7 @@ static int do_eeprom(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
>   	off = simple_strtoul(*args++, NULL, 16);
>   	cnt = simple_strtoul(*args++, NULL, 16);
>
> -	eeprom_init(-1);
> +	eeprom_init(bus_addr);
>
>   	if (strcmp (argv[1], "read") == 0) {
>   		printf(fmt, dev_addr, argv[1], addr, off, cnt);
> @@ -247,9 +254,9 @@ static int do_eeprom(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
>   }
>
>   U_BOOT_CMD(
> -	eeprom,	6,	1,	do_eeprom,
> +	eeprom,	7,	1,	do_eeprom,
>   	"EEPROM sub-system",
> -	"read  devaddr addr off cnt\n"
> -	"eeprom write devaddr addr off cnt\n"
> +	"read  <bus> <devaddr> addr off cnt\n"
> +	"eeprom write <bus> <devaddr> addr off cnt\n"
>   	"       - read/write `cnt' bytes from `devaddr` EEPROM at offset `off'"
>   )
>

-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany