]> git.sur5r.net Git - u-boot/blobdiff - drivers/i2c/designware_i2c.c
mmc: Minor cleanup of sdhci.c
[u-boot] / drivers / i2c / designware_i2c.c
index c2f06627d3e312b52a24c6310927a317d4dd506d..cb2ac04b609864412a8054888f3420bf35ca0287 100644 (file)
@@ -151,7 +151,19 @@ void i2c_init(int speed, int slaveadd)
  */
 static void i2c_setaddress(unsigned int i2c_addr)
 {
+       unsigned int enbl;
+
+       /* Disable i2c */
+       enbl = readl(&i2c_regs_p->ic_enable);
+       enbl &= ~IC_ENABLE_0B;
+       writel(enbl, &i2c_regs_p->ic_enable);
+
        writel(i2c_addr, &i2c_regs_p->ic_tar);
+
+       /* Enable i2c */
+       enbl = readl(&i2c_regs_p->ic_enable);
+       enbl |= IC_ENABLE_0B;
+       writel(enbl, &i2c_regs_p->ic_enable);
 }
 
 /*
@@ -237,9 +249,6 @@ static int i2c_xfer_finish(void)
 
        i2c_flush_rxfifo();
 
-       /* Wait for read/write operation to complete on actual memory */
-       udelay(10000);
-
        return 0;
 }