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/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c
index fc4c1d5..0c2e008 100644
--- a/arch/powerpc/lib/board.c
+++ b/arch/powerpc/lib/board.c
@@ -99,7 +99,7 @@
 void doc_init(void);
 #endif
 #if defined(CONFIG_HARD_I2C) || \
-    defined(CONFIG_SOFT_I2C)
+	defined(CONFIG_SOFT_I2C)
 #include <i2c.h>
 #endif
 #include <spi.h>
@@ -214,11 +214,16 @@
 
 /***********************************************************************/
 
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) || \
+		defined(CONFIG_SYS_I2C)
 static int init_func_i2c(void)
 {
 	puts("I2C:   ");
+#ifdef CONFIG_SYS_I2C
+	i2c_init_all();
+#else
 	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+#endif
 	puts("ready\n");
 	return 0;
 }
@@ -307,7 +312,8 @@
 	misc_init_f,
 #endif
 	INIT_FUNC_WATCHDOG_RESET
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) || \
+		defined(CONFIG_SYS_I2C)
 	init_func_i2c,
 #endif
 #if defined(CONFIG_HARD_SPI)