1 files changed, 0 insertions, 134 deletions
diff --git a/src/southbridge/amd/cs5535/cs5535_smbus.h b/src/southbridge/amd/cs5535/cs5535_smbus.h
index 799e226f5e..db35f6ee7b 100644
--- a/src/southbridge/amd/cs5535/cs5535_smbus.h
+++ b/src/southbridge/amd/cs5535/cs5535_smbus.h
@@ -44,137 +44,3 @@
 #define SMBUS_STATUS_MASK 0xfbff
 
 #define SMBUS_IO_BASE 0x6000
-
-static void smbus_delay(void)
-{
-    	outb(0x80, 0x80);
-}
-
-/* generate a smbus start condition */
-static int smbus_start_condition(unsigned smbus_io_base)
-{
-	unsigned char val;
-	unsigned long loops;
-	loops = SMBUS_TIMEOUT;
-
-	/* issue a START condition */
-	val = inb(smbus_io_base + SMB_CTRL1);
-	outb(val | SMB_CTRL1_START, smbus_io_base + SMB_CTRL1);
-
-	/* check for bus conflict */
-	val = inb(smbus_io_base + SMB_STS);
-	if ((val & SMB_STS_BER) != 0)
-		return SMBUS_ERROR;
-
-	/* check for SDA status */
-	do {
-		smbus_delay();
-		val = inw(smbus_io_base + SMB_STS);
-		if ((val & SMB_STS_SDAST) != 0) {
-			break;
-		}
-	} while(--loops);
-	return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT;
-}
-
-static int smbus_check_stop_condition(unsigned smbus_io_base)
-{
-	unsigned char val;
-	unsigned long loops;
-	loops = SMBUS_TIMEOUT;
-	/* check for SDA status */
-	do {
-		smbus_delay();
-		val = inw(smbus_io_base + SMB_CTRL1);
-		if ((val & SMB_CTRL1_STOP) == 0) {
-			break;
-		}
-	} while(--loops);
-	return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT;
-}
-
-static int smbus_stop_condition(unsigned smbus_io_base)
-{
-	unsigned char val;
-	val = inb(smbus_io_base + SMB_CTRL1);
-	outb(SMB_CTRL1_STOP, smbus_io_base + SMB_CTRL1);
-}
-
-static int smbus_send_slave_address(unsigned smbus_io_base, unsigned char device)
-{
-	unsigned char val;
-	unsigned long loops;
-	loops = SMBUS_TIMEOUT;
-
-	/* send the slave address */
-	outb(device, smbus_io_base + SMB_SDA);
-
-	/* check for bus conflict and NACK */
-	val = inb(smbus_io_base + SMB_STS);
-	if (((val & SMB_STS_BER)    != 0) ||
-	    ((val & SMB_STS_NEGACK) != 0))
-		return SMBUS_ERROR;
-
-	/* check for SDA status */
-	do {
-		smbus_delay();
-		val = inw(smbus_io_base + SMB_STS);
-		if ((val & SMB_STS_SDAST) != 0) {
-			break;
-		}
-	} while(--loops);
-	return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT;
-}
-
-static int smbus_send_command(unsigned smbus_io_base, unsigned char command)
-{
-        unsigned char val;
-	unsigned long loops;
-	loops = SMBUS_TIMEOUT;
-
-	/* send the command */
-	outb(command, smbus_io_base + SMB_SDA);
-
-	/* check for bus conflict and NACK */
-	val = inb(smbus_io_base + SMB_STS);
-	if (((val & SMB_STS_BER)    != 0) ||
-	    ((val & SMB_STS_NEGACK) != 0))
-		return SMBUS_ERROR;
-
-	/* check for SDA status */
-	do {
-		smbus_delay();
-		val = inw(smbus_io_base + SMB_STS);
-		if ((val & SMB_STS_SDAST) != 0) {
-			break;
-		}
-	} while(--loops);
-	return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT;
-}
-
-static unsigned char do_smbus_read_byte(unsigned smbus_io_base, unsigned char device, unsigned char address)
-{
-	unsigned char val, val1;
-
-	smbus_check_stop_condition(smbus_io_base);
-
-	smbus_start_condition(smbus_io_base);
-
-	smbus_send_slave_address(smbus_io_base, device);
-
-	smbus_send_command(smbus_io_base, address);
-
-	smbus_start_condition(smbus_io_base);
-
-	smbus_send_slave_address(smbus_io_base, device | 0x01);
-
-	/* send NACK to slave */
-	val = inb(smbus_io_base + SMB_CTRL1);
-	outb(val | SMB_CTRL1_ACK, smbus_io_base + SMB_CTRL1);
-
-	val = inb(smbus_io_base + SMB_SDA);
-
-	//smbus_stop_condition(smbus_io_base);
-
-	return val;
-}