X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fi2c%2Ftsi108_i2c.c;h=defbba40fe407aec517c8c62dbeeea02297abd58;hb=b46b353b901a45ebe860f8bf874ca99f018cd410;hp=d6736b0477e663d8d4eafb6e65007175d3049042;hpb=f743931f9b4d4e15c9bdfe726bef033ea1f1402c;p=oweals%2Fu-boot.git

diff --git a/drivers/i2c/tsi108_i2c.c b/drivers/i2c/tsi108_i2c.c
index d6736b0477..defbba40fe 100644
--- a/drivers/i2c/tsi108_i2c.c
+++ b/drivers/i2c/tsi108_i2c.c
@@ -25,7 +25,6 @@
 #include <config.h>
 #include <common.h>
 
-#ifdef CONFIG_TSI108_I2C
 #include <tsi108.h>
 
 #if defined(CONFIG_CMD_I2C)
@@ -42,6 +41,15 @@
 /* All functions assume that Tsi108 I2C block is the only master on the bus */
 /* I2C read helper function */
 
+void i2c_init(int speed, int slaveaddr)
+{
+	/*
+	 * The TSI108 has a fixed I2C clock rate and doesn't support slave
+	 * operation.  This function only exists as a stub to fit into the
+	 * U-Boot I2C API.
+	 */
+}
+
 static int i2c_read_byte (
 		uint i2c_chan,	/* I2C channel number: 0 - main, 1 - SDC SPD */
 		uchar chip_addr,/* I2C device address on the bus */
@@ -61,14 +69,14 @@ static int i2c_read_byte (
 		chan_offset = TSI108_I2C_SDRAM_OFFSET;
 
 	/* Check if I2C operation is in progress */
-	temp = *(u32 *) (CFG_TSI108_CSR_BASE + chan_offset + I2C_CNTRL2);
+	temp = *(u32 *) (CONFIG_SYS_TSI108_CSR_BASE + chan_offset + I2C_CNTRL2);
 
 	if (0 == (temp & (I2C_CNTRL2_RD_STATUS | I2C_CNTRL2_WR_STATUS |
 			  I2C_CNTRL2_START))) {
 		/* Set device address and operation (read = 0) */
 		temp = (byte_addr << 16) | ((chip_addr & 0x07) << 8) |
 		    ((chip_addr >> 3) & 0x0F);
-		*(u32 *) (CFG_TSI108_CSR_BASE + chan_offset + I2C_CNTRL1) =
+		*(u32 *) (CONFIG_SYS_TSI108_CSR_BASE + chan_offset + I2C_CNTRL1) =
 		    temp;
 
 		/* Issue the read command
@@ -76,13 +84,13 @@ static int i2c_read_byte (
 		 * (size = 1 byte, lane = 0)
 		 */
 
-		*(u32 *) (CFG_TSI108_CSR_BASE + chan_offset + I2C_CNTRL2) =
+		*(u32 *) (CONFIG_SYS_TSI108_CSR_BASE + chan_offset + I2C_CNTRL2) =
 		    (I2C_CNTRL2_START);
 
 		/* Wait until operation completed */
 		do {
 			/* Read I2C operation status */
-			temp = *(u32 *) (CFG_TSI108_CSR_BASE + chan_offset + I2C_CNTRL2);
+			temp = *(u32 *) (CONFIG_SYS_TSI108_CSR_BASE + chan_offset + I2C_CNTRL2);
 
 			if (0 == (temp & (I2C_CNTRL2_RD_STATUS | I2C_CNTRL2_START))) {
 				if (0 == (temp &
@@ -91,7 +99,7 @@ static int i2c_read_byte (
 				    ) {
 					op_status = TSI108_I2C_SUCCESS;
 
-					temp = *(u32 *) (CFG_TSI108_CSR_BASE +
+					temp = *(u32 *) (CONFIG_SYS_TSI108_CSR_BASE +
 							 chan_offset +
 							 I2C_RD_DATA);
 
@@ -121,7 +129,7 @@ static int i2c_read_byte (
  *   chip_addr: I2C chip address, range 0..127
  *                  (to read from SPD channel EEPROM use (0xD0 ... 0xD7)
  *              NOTE: The bit 7 in the chip_addr serves as a channel select.
- *              This hack is for enabling "isdram" command on Tsi108 boards
+ *              This hack is for enabling "i2c sdram" command on Tsi108 boards
  *              without changes to common code. Used for I2C reads only.
  *   byte_addr: Memory or register address within the chip
  *   alen:      Number of bytes to use for addr (typically 1, 2 for larger
@@ -173,25 +181,25 @@ static int i2c_write_byte (uchar chip_addr,/* I2C device address on the bus */
 	u32 op_status = TSI108_I2C_TIMEOUT_ERR;
 
 	/* Check if I2C operation is in progress */
-	temp = *(u32 *) (CFG_TSI108_CSR_BASE + TSI108_I2C_OFFSET + I2C_CNTRL2);
+	temp = *(u32 *) (CONFIG_SYS_TSI108_CSR_BASE + TSI108_I2C_OFFSET + I2C_CNTRL2);
 
 	if (0 == (temp & (I2C_CNTRL2_RD_STATUS | I2C_CNTRL2_WR_STATUS | I2C_CNTRL2_START))) {
 		/* Place data into the I2C Tx Register */
-		*(u32 *) (CFG_TSI108_CSR_BASE + TSI108_I2C_OFFSET +
+		*(u32 *) (CONFIG_SYS_TSI108_CSR_BASE + TSI108_I2C_OFFSET +
 			  I2C_TX_DATA) = (u32) * buffer;
 
 		/* Set device address and operation  */
 		temp =
 		    I2C_CNTRL1_I2CWRITE | (byte_addr << 16) |
 		    ((chip_addr & 0x07) << 8) | ((chip_addr >> 3) & 0x0F);
-		*(u32 *) (CFG_TSI108_CSR_BASE + TSI108_I2C_OFFSET +
+		*(u32 *) (CONFIG_SYS_TSI108_CSR_BASE + TSI108_I2C_OFFSET +
 			  I2C_CNTRL1) = temp;
 
 		/* Issue the write command (at this moment all other parameters
 		 * are 0 (size = 1 byte, lane = 0)
 		 */
 
-		*(u32 *) (CFG_TSI108_CSR_BASE + TSI108_I2C_OFFSET +
+		*(u32 *) (CONFIG_SYS_TSI108_CSR_BASE + TSI108_I2C_OFFSET +
 			  I2C_CNTRL2) = (I2C_CNTRL2_START);
 
 		op_status = TSI108_I2C_TIMEOUT_ERR;
@@ -199,7 +207,7 @@ static int i2c_write_byte (uchar chip_addr,/* I2C device address on the bus */
 		/* Wait until operation completed */
 		do {
 			/* Read I2C operation status */
-			temp = *(u32 *) (CFG_TSI108_CSR_BASE + TSI108_I2C_OFFSET + I2C_CNTRL2);
+			temp = *(u32 *) (CONFIG_SYS_TSI108_CSR_BASE + TSI108_I2C_OFFSET + I2C_CNTRL2);
 
 			if (0 == (temp & (I2C_CNTRL2_WR_STATUS | I2C_CNTRL2_START))) {
 				if (0 == (temp &
@@ -280,4 +288,3 @@ int i2c_probe (uchar chip)
 }
 
 #endif
-#endif /* CONFIG_TSI108_I2C */