i2c: common changes for multibus/multiadapter support
Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Simon Glass <sjg@chromium.org>
Cc: Henrik Nordström <henrik@henriknordstrom.net>
diff --git a/common/env_eeprom.c b/common/env_eeprom.c
index 45c935b..fbd459a 100644
--- a/common/env_eeprom.c
+++ b/common/env_eeprom.c
@@ -49,6 +49,10 @@
#if defined(CONFIG_I2C_ENV_EEPROM_BUS)
int old_bus = i2c_get_bus_num();
+#if defined(CONFIG_SYS_I2C)
+ if (old_bus != CONFIG_I2C_ENV_EEPROM_BUS)
+ i2c_set_bus_num(CONFIG_I2C_ENV_EEPROM_BUS);
+#else
if (gd->flags & GD_FLG_RELOC) {
if (env_eeprom_bus == -1) {
I2C_MUX_DEVICE *dev = NULL;
@@ -68,11 +72,16 @@
(uchar *)CONFIG_I2C_ENV_EEPROM_BUS);
}
#endif
+#endif
rcode = eeprom_read(dev_addr, offset, buffer, cnt);
#if defined(CONFIG_I2C_ENV_EEPROM_BUS)
+#if defined(CONFIG_SYS_I2C)
+ if (old_bus != CONFIG_I2C_ENV_EEPROM_BUS)
+#else
if (old_bus != env_eeprom_bus)
+#endif
i2c_set_bus_num(old_bus);
#endif
return rcode;
@@ -85,8 +94,13 @@
#if defined(CONFIG_I2C_ENV_EEPROM_BUS)
int old_bus = i2c_get_bus_num();
+#if defined(CONFIG_SYS_I2C)
+ if (old_bus != CONFIG_I2C_ENV_EEPROM_BUS)
+ i2c_set_bus_num(CONFIG_I2C_ENV_EEPROM_BUS);
+#else
rcode = i2c_mux_ident_muxstring_f((uchar *)CONFIG_I2C_ENV_EEPROM_BUS);
#endif
+#endif
rcode = eeprom_write(dev_addr, offset, buffer, cnt);
#if defined(CONFIG_I2C_ENV_EEPROM_BUS)
i2c_set_bus_num(old_bus);