i2c, mpc83xx: add CONFIG_SYS_I2C_INIT_BOARD for fsl_i2c

[u-boot] / drivers / i2c / fsl_i2c.c

diff --git a/drivers/i2c/fsl_i2c.c b/drivers/i2c/fsl_i2c.c
index 6ab7d3d9fcf6d9726987f0c61ed92e50e083106e..ce0f301e131077f9b8450711fc4dfdf7f944896c 100644 (file)
--- a/drivers/i2c/fsl_i2c.c
+++ b/drivers/i2c/fsl_i2c.c
@@ -178,6 +178,12 @@ i2c_init(int speed, int slaveadd)
        struct fsl_i2c *dev;
        unsigned int temp;
 
+#ifdef CONFIG_SYS_I2C_INIT_BOARD
+       /* call board specific i2c bus reset routine before accessing the   */
+       /* environment, which might be in a chip on that bus. For details   */
+       /* about this problem see doc/I2C_Edge_Conditions.                  */
+       i2c_init_board();
+#endif
        dev = (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C_OFFSET);
 
        writeb(0, &dev->cr);                    /* stop I2C controller */