i2c host work ok but conflict with ide driver so disable ide driver temporarily

arch/arm/configs/ntosd_644xA_defconfig

@@ -493,7 +493,7 @@ CONFIG_BLK_DEV_RAM_SIZE=32768
 CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
-CONFIG_IDE=y
+# CONFIG_IDE=y
 CONFIG_IDE_MAX_HWIFS=4
 CONFIG_BLK_DEV_IDE=y
 

drivers/i2c/busses/i2c-davinci.c

@@ -212,8 +212,13 @@ i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop)
 	int i;
 
 	/* Introduce a 100musec delay.  Required for Davinci EVM board only */
-	if (machine_is_davinci_evm())
+#ifdef CONFIG_MACH_DAVINCI_EVM
 	udelay(100);
+#else
+#ifdef CONFIG_MACH_NTOSD_644XA
+	udelay(100);
+#endif
+#endif
 
 	/* set the slave address */
 	dev->regs->icsar = msg->addr;
@@ -500,13 +505,18 @@ davinci_i2c_probe(struct platform_device *pdev)
 	 *	 so that the MSP430, which is doing software i2c, has
 	 *	 some extra processing time
 	 */
-	if (machine_is_davinci_evm())
+#ifdef CONFIG_MACH_DAVINCI_EVM
 	bus_freq = 20;
-
-	else if (bus_freq > 200)
+#else
+#ifdef CONFIG_MACH_NTOSD_644XA
+	bus_freq = 20;
+#else
+	if (bus_freq > 200)
 		bus_freq = 400;	/* Fast mode */
 	else
 		bus_freq = 100;	/* Standard mode */
+#endif
+#endif
 
 	dev->clk = clk_get (&pdev->dev, "I2CCLK");
 	if (IS_ERR(dev->clk))

include/asm-arm/arch-davinci/aic23.h

@@ -107,7 +107,7 @@
 // Digital interface register
 #define ACT_ON				0x0001
 
-#define TLV320AIC23ID1                  (0x1a)	// cs low
+#define TLV320AIC23ID1                  (0x18)	// cs low
 #define TLV320AIC23ID2                  (0x1b)	// cs high
 
 void tlv320aic23_power_up(void);