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>

6 files changed, 49 insertions, 8 deletions

diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
index 09ab4ad736..5302a1369c 100644
--- a/arch/arm/lib/board.c
+++ b/arch/arm/lib/board.c
@@ -69,7 +69,8 @@ extern void dataflash_print_info(void);
 #endif
 
 #if defined(CONFIG_HARD_I2C) || \
-    defined(CONFIG_SOFT_I2C)
+	defined(CONFIG_SOFT_I2C) || \
+	defined(CONFIG_SYS_I2C)
 #include <i2c.h>
 #endif
 
@@ -169,7 +170,11 @@ static int display_dram_config(void)
 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);
 }
diff --git a/arch/blackfin/lib/board.c b/arch/blackfin/lib/board.c
index f1d55470e8..10223bdb79 100644
--- a/arch/blackfin/lib/board.c
+++ b/arch/blackfin/lib/board.c
@@ -37,6 +37,10 @@
 int post_flag;
 #endif
 
+#if defined(CONFIG_SYS_I2C)
+#include <i2c.h>
+#endif
+
 DECLARE_GLOBAL_DATA_PTR;
 
 __attribute__((always_inline))
@@ -387,6 +391,9 @@ void board_init_r(gd_t * id, ulong dest_addr)
 	mmc_initialize(bd);
 #endif
 
+#if defined(CONFIG_SYS_I2C)
+	i2c_reloc_fixup();
+#endif
 	/* relocate environment function pointers etc. */
 	env_relocate();
 
diff --git a/arch/m68k/lib/board.c b/arch/m68k/lib/board.c
index efc9fccc1b..582f47b50e 100644
--- a/arch/m68k/lib/board.c
+++ b/arch/m68k/lib/board.c
@@ -56,7 +56,7 @@
 #include <version.h>
 
 #if defined(CONFIG_HARD_I2C) || \
-    defined(CONFIG_SOFT_I2C)
+	defined(CONFIG_SOFT_I2C)
 #include <i2c.h>
 #endif
 
@@ -142,11 +142,16 @@ static int init_func_ram (void)
 
 /***********************************************************************/
 
-#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);
 }
@@ -178,7 +183,8 @@ init_fnc_t *init_sequence[] = {
 	display_options,
 	checkcpu,
 	checkboard,
-#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)
@@ -501,6 +507,11 @@ void board_init_r (gd_t *id, ulong dest_addr)
 	spi_init_r ();
 #endif
 
+#if defined(CONFIG_SYS_I2C)
+	/* Adjust I2C subsystem pointers after relocation */
+	i2c_reloc_fixup();
+#endif
+
 	/* relocate environment function pointers etc. */
 	env_relocate ();
 
diff --git a/arch/nds32/lib/board.c b/arch/nds32/lib/board.c
index 1157d8c503..29fe12014b 100644
--- a/arch/nds32/lib/board.c
+++ b/arch/nds32/lib/board.c
@@ -40,6 +40,10 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#if defined(CONFIG_SYS_I2C)
+#include <i2c.h>
+#endif
+
 ulong monitor_flash_len;
 
 /*
@@ -173,7 +177,7 @@ init_fnc_t *init_sequence[] = {
 #if defined(CONFIG_DISPLAY_BOARDINFO)
 	checkboard,		/* display board info */
 #endif
-#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
 	init_func_i2c,
 #endif
 	dram_init,		/* configure available RAM banks */
@@ -347,6 +351,10 @@ void board_init_r(gd_t *id, ulong dest_addr)
 	mmc_initialize(gd->bd);
 #endif
 
+#if defined(CONFIG_SYS_I2C_ADAPTERS)
+	i2c_reloc_fixup();
+#endif
+
 	/* initialize environment */
 	env_relocate();
 
diff --git a/arch/powerpc/cpu/mpc8xx/video.c b/arch/powerpc/cpu/mpc8xx/video.c
index 1bbf4ccc65..10e3e88b5e 100644
--- a/arch/powerpc/cpu/mpc8xx/video.c
+++ b/arch/powerpc/cpu/mpc8xx/video.c
@@ -809,7 +809,11 @@ static void video_encoder_init (void)
 
 	/* Initialize the I2C */
 	debug ("[VIDEO ENCODER] Initializing I2C bus...\n");
+#ifdef CONFIG_SYS_I2C
+	i2c_init_all();
+#else
 	i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+#endif
 
 #ifdef CONFIG_FADS
 	/* Reset ADV7176 chip */
diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c
index fc4c1d5812..0c2e008e00 100644
--- a/arch/powerpc/lib/board.c
+++ b/arch/powerpc/lib/board.c
@@ -99,7 +99,7 @@ extern void sc3_read_eeprom(void);
 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 @@ static int init_func_ram(void)
 
 /***********************************************************************/
 
-#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 @@ static init_fnc_t *init_sequence[] = {
 	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)