[U-Boot] [POWERPC v3] mgsuvd: fix compiler warning when using soft_i2c driver

[U-Boot] [POWERPC v3] mgsuvd: fix compiler warning when using soft_i2c driver

[Heiko Schocher]

Signed-off-by: Heiko Schocher <hs@denx.de>
---
 board/keymile/common/common.c |    3 ++-
 drivers/i2c/soft_i2c.c        |    4 ++++
 include/configs/mgsuvd.h      |   24 +++++++++++++++---------
 3 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/board/keymile/common/common.c b/board/keymile/common/common.c
index 61276d2..e47928d 100644
--- a/board/keymile/common/common.c
+++ b/board/keymile/common/common.c
@@ -34,6 +34,7 @@
 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
 #include <i2c.h>
 #endif
+#include <asm/io.h>

 extern int i2c_soft_read_pin (void);

@@ -400,7 +401,7 @@ static void set_scl (int state)

 static int get_sda (void)
 {
-	return i2c_soft_read_pin ();
+	return I2C_READ;
 }

 static int get_scl (void)
diff --git a/drivers/i2c/soft_i2c.c b/drivers/i2c/soft_i2c.c
index 508d3d7..ebe60e2 100644
--- a/drivers/i2c/soft_i2c.c
+++ b/drivers/i2c/soft_i2c.c
@@ -28,6 +28,7 @@
 #include <common.h>
 #ifdef	CONFIG_MPC8260			/* only valid for MPC8260 */
 #include <ioports.h>
+#include <asm/io.h>
 #endif
 #ifdef	CONFIG_AT91RM9200		/* need this for the at91rm9200 */
 #include <asm/io.h>
@@ -39,6 +40,9 @@
 #ifdef CONFIG_LPC2292
 #include <asm/arch/hardware.h>
 #endif
+#ifdef	CONFIG_MPC866			/* only valid for MPC866 */
+#include <asm/io.h>
+#endif
 #include <i2c.h>

 /* #define	DEBUG_I2C	*/
diff --git a/include/configs/mgsuvd.h b/include/configs/mgsuvd.h
index 416e4db..c4a0ed0 100644
--- a/include/configs/mgsuvd.h
+++ b/include/configs/mgsuvd.h
@@ -346,8 +346,8 @@
 /*
  * Software (bit-bang) I2C driver configuration
  */
-#define I2C_BASE_DIR	(CONFIG_SYS_PIGGY_BASE + 0x04)
-#define I2C_BASE_PORT	(CONFIG_SYS_PIGGY_BASE + 0x09)
+#define I2C_BASE_DIR	((u16 *)(CONFIG_SYS_PIGGY_BASE + 0x04))
+#define I2C_BASE_PORT	((u8 *)(CONFIG_SYS_PIGGY_BASE + 0x09))

 #define SDA_BIT		0x40
 #define SCL_BIT		0x80
@@ -356,18 +356,24 @@

 #define I2C_ACTIVE	do {} while (0)
 #define I2C_TRISTATE	do {} while (0)
-#define I2C_READ	i2c_soft_read_pin ()
+#define I2C_READ	((in_8(I2C_BASE_PORT) & SDA_BIT) == SDA_BIT)
 #define I2C_SDA(bit)	if(bit) { \
-				*(unsigned short *)(I2C_BASE_DIR) &= ~SDA_CONF; \
+				out_be16(I2C_BASE_DIR, \
+					in_be16(I2C_BASE_DIR) & ~SDA_CONF); \
 			} else { \
-				*(unsigned char *)(I2C_BASE_PORT) &= ~SDA_BIT; \
-				*(unsigned short *)(I2C_BASE_DIR) |= SDA_CONF; \
+				out_8(I2C_BASE_PORT, \
+					in_8(I2C_BASE_PORT) & ~SDA_BIT); \
+				out_be16(I2C_BASE_DIR, \
+					in_be16(I2C_BASE_DIR) | SDA_CONF); \
 			}
 #define I2C_SCL(bit)	if(bit) { \
-				*(unsigned short *)(I2C_BASE_DIR) &= ~SCL_CONF; \
+				out_be16(I2C_BASE_DIR, \
+					in_be16(I2C_BASE_DIR) & ~SCL_CONF); \
 			} else { \
-				*(unsigned char *)(I2C_BASE_PORT) &= ~SCL_BIT; \
-				*(unsigned short *)(I2C_BASE_DIR) |= SCL_CONF; \
+				out_8(I2C_BASE_PORT, \
+					in_8(I2C_BASE_PORT) & ~SCL_BIT); \
+				out_be16(I2C_BASE_DIR, \
+					in_be16(I2C_BASE_DIR) | SCL_CONF); \
 			}
 #define I2C_DELAY	udelay(50)	/* 1/4 I2C clock duration */

-- 
1.5.6.1

-- 
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HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany