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@ti.com Cc: Heiko Schocher hs@denx.de --- common/cmd_eeprom.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/common/cmd_eeprom.c b/common/cmd_eeprom.c index 0133b50..3b156ee 100644 --- a/common/cmd_eeprom.c +++ b/common/cmd_eeprom.c @@ -204,14 +204,21 @@ 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: @@ -222,7 +229,7 @@ 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); @@ -244,9 +251,9 @@ 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'" )