omap24xx_i2c: Add AM33XX support

[karo-tx-uboot.git] / drivers / i2c / soft_i2c.c

diff --git a/drivers/i2c/soft_i2c.c b/drivers/i2c/soft_i2c.c
index 9a4878391674e924f9e3c1144392249cebd76984..36c6114e3cc9e307174883e920352503d04d1948 100644 (file)
--- a/drivers/i2c/soft_i2c.c
+++ b/drivers/i2c/soft_i2c.c
@@ -30,14 +30,13 @@
 #include <ioports.h>
 #include <asm/io.h>
 #endif
-#ifdef CONFIG_AT91RM9200               /* need this for the at91rm9200 */
+#if defined(CONFIG_AT91FAMILY)
 #include <asm/io.h>
 #include <asm/arch/hardware.h>
-#endif
-#ifdef CONFIG_AT91SAM9263              /* only valid for AT91SAM9263 */
-#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_pio.h>
+#ifdef CONFIG_AT91_LEGACY
 #include <asm/arch/gpio.h>
-#include <asm/arch/io.h>
+#endif
 #endif
 #ifdef CONFIG_IXP425                   /* only valid for IXP425 */
 #include <asm/arch/ixp425.h>
@@ -50,6 +49,58 @@
 #endif
 #include <i2c.h>
 
+#if defined(CONFIG_SOFT_I2C_GPIO_SCL)
+# include <asm/gpio.h>
+
+# ifndef I2C_GPIO_SYNC
+#  define I2C_GPIO_SYNC
+# endif
+
+# ifndef I2C_INIT
+#  define I2C_INIT \
+       do { \
+               gpio_request(CONFIG_SOFT_I2C_GPIO_SCL, "soft_i2c"); \
+               gpio_request(CONFIG_SOFT_I2C_GPIO_SDA, "soft_i2c"); \
+       } while (0)
+# endif
+
+# ifndef I2C_ACTIVE
+#  define I2C_ACTIVE do { } while (0)
+# endif
+
+# ifndef I2C_TRISTATE
+#  define I2C_TRISTATE do { } while (0)
+# endif
+
+# ifndef I2C_READ
+#  define I2C_READ gpio_get_value(CONFIG_SOFT_I2C_GPIO_SDA)
+# endif
+
+# ifndef I2C_SDA
+#  define I2C_SDA(bit) \
+       do { \
+               if (bit) \
+                       gpio_direction_input(CONFIG_SOFT_I2C_GPIO_SDA); \
+               else \
+                       gpio_direction_output(CONFIG_SOFT_I2C_GPIO_SDA, 0); \
+               I2C_GPIO_SYNC; \
+       } while (0)
+# endif
+
+# ifndef I2C_SCL
+#  define I2C_SCL(bit) \
+       do { \
+               gpio_direction_output(CONFIG_SOFT_I2C_GPIO_SCL, bit); \
+               I2C_GPIO_SYNC; \
+       } while (0)
+# endif
+
+# ifndef I2C_DELAY
+#  define I2C_DELAY udelay(5)  /* 1/4 I2C clock duration */
+# endif
+
+#endif
+
 /* #define     DEBUG_I2C       */
 
 #ifdef DEBUG_I2C
@@ -68,7 +119,6 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef DEBUG_I2C
 #define PRINTD(fmt,args...)    do {    \
-       if (gd->have_console)           \
                printf (fmt ,##args);   \
        } while (0)
 #else
@@ -235,6 +285,7 @@ int i2c_set_bus_num(unsigned int bus)
                int     ret;
 
                ret = i2x_mux_select_mux(bus);
+               i2c_init_board();
                if (ret == 0)
                        i2c_bus_num = bus;
                else