]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - drivers/i2c/fsl_i2c.c
AT91: add RTT and GPBR based RTC
[karo-tx-uboot.git] / drivers / i2c / fsl_i2c.c
index 2241990f94f5c87a76af7e9933342f28a3506a52..cb13deeea968c91ae73db887b33793c0d3fef86a 100644 (file)
@@ -221,9 +221,10 @@ i2c_init(int speed, int slaveadd)
        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.                  */
+       /* 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);
@@ -249,6 +250,15 @@ i2c_init(int speed, int slaveadd)
        writeb(0x0, &dev->sr);                  /* clear status register */
        writeb(I2C_CR_MEN, &dev->cr);           /* start I2C controller */
 #endif
+
+#ifdef CONFIG_SYS_I2C_BOARD_LATE_INIT
+       /* Call board specific i2c bus reset routine AFTER the bus has been
+        * initialized. Use either this callpoint or i2c_init_board;
+        * which is called before i2c_init operations.
+        * For details about this problem see doc/I2C_Edge_Conditions.
+       */
+       i2c_board_late_init();
+#endif
 }
 
 static int