compulab: eeprom: add support for defining eeprom i2c bus

[platform/kernel/u-boot.git] / board / compulab / common / eeprom.c

diff --git a/board/compulab/common/eeprom.c b/board/compulab/common/eeprom.c
index 20fe3e1..85442cd 100644 (file)
--- a/board/compulab/common/eeprom.c
+++ b/board/compulab/common/eeprom.c
@@ -31,8 +31,19 @@ static int cl_eeprom_layout; /* Implicitly LAYOUT_INVALID */
 
 static int cl_eeprom_read(uint offset, uchar *buf, int len)
 {
-       return i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, offset,
+       int res;
+       unsigned int current_i2c_bus = i2c_get_bus_num();
+
+       res = i2c_set_bus_num(CONFIG_SYS_I2C_EEPROM_BUS);
+       if (res < 0)
+               return res;
+
+       res = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, offset,
                        CONFIG_SYS_I2C_EEPROM_ADDR_LEN, buf, len);
+
+       i2c_set_bus_num(current_i2c_bus);
+
+       return res;
 }
 
 static int cl_eeprom_setup_layout(void)