Merge branch 'master' of /home/stefan/git/u-boot/u-boot

6 files changed, 101 insertions, 68 deletions

diff --git a/drivers/i2c/fsl_i2c.c b/drivers/i2c/fsl_i2c.c
index 264553d..281a88b 100644
--- a/drivers/i2c/fsl_i2c.c
+++ b/drivers/i2c/fsl_i2c.c
@@ -26,7 +26,7 @@
 #include <asm/io.h>
 #include <asm/fsl_i2c.h>	/* HW definitions */
 
-#define I2C_TIMEOUT	(CFG_HZ / 4)
+#define I2C_TIMEOUT	(CONFIG_SYS_HZ / 4)
 
 #define I2C_READ_BIT  1
 #define I2C_WRITE_BIT 0
@@ -38,18 +38,18 @@ DECLARE_GLOBAL_DATA_PTR;
  * runs from ROM, and we can't switch buses because we can't modify
  * the global variables.
  */
-#ifdef CFG_SPD_BUS_NUM
-static unsigned int i2c_bus_num __attribute__ ((section ("data"))) = CFG_SPD_BUS_NUM;
+#ifdef CONFIG_SYS_SPD_BUS_NUM
+static unsigned int i2c_bus_num __attribute__ ((section ("data"))) = CONFIG_SYS_SPD_BUS_NUM;
 #else
 static unsigned int i2c_bus_num __attribute__ ((section ("data"))) = 0;
 #endif
 
-static unsigned int i2c_bus_speed[2] = {CFG_I2C_SPEED, CFG_I2C_SPEED};
+static unsigned int i2c_bus_speed[2] = {CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SPEED};
 
 static const struct fsl_i2c *i2c_dev[2] = {
-	(struct fsl_i2c *) (CFG_IMMR + CFG_I2C_OFFSET),
-#ifdef CFG_I2C2_OFFSET
-	(struct fsl_i2c *) (CFG_IMMR + CFG_I2C2_OFFSET)
+	(struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C_OFFSET),
+#ifdef CONFIG_SYS_I2C2_OFFSET
+	(struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C2_OFFSET)
 #endif
 };
 
@@ -176,7 +176,7 @@ i2c_init(int speed, int slaveadd)
 	struct fsl_i2c *dev;
 	unsigned int temp;
 
-	dev = (struct fsl_i2c *) (CFG_IMMR + CFG_I2C_OFFSET);
+	dev = (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C_OFFSET);
 
 	writeb(0, &dev->cr);			/* stop I2C controller */
 	udelay(5);				/* let it shutdown in peace */
@@ -187,8 +187,8 @@ i2c_init(int speed, int slaveadd)
 	writeb(0x0, &dev->sr);			/* clear status register */
 	writeb(I2C_CR_MEN, &dev->cr);		/* start I2C controller */
 
-#ifdef	CFG_I2C2_OFFSET
-	dev = (struct fsl_i2c *) (CFG_IMMR + CFG_I2C2_OFFSET);
+#ifdef	CONFIG_SYS_I2C2_OFFSET
+	dev = (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C2_OFFSET);
 
 	writeb(0, &dev->cr);			/* stop I2C controller */
 	udelay(5);				/* let it shutdown in peace */
@@ -386,7 +386,7 @@ i2c_reg_write(uchar i2c_addr, uchar reg, uchar val)
 
 int i2c_set_bus_num(unsigned int bus)
 {
-#ifdef CFG_I2C2_OFFSET
+#ifdef CONFIG_SYS_I2C2_OFFSET
 	if (bus > 1) {
 #else
 	if (bus > 0) {
diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
index 1f6ba1f..eedad06 100644
--- a/drivers/i2c/mxc_i2c.c
+++ b/drivers/i2c/mxc_i2c.c
@@ -47,14 +47,14 @@
 #define I2SR_IIF	(1 << 1)
 #define I2SR_RX_NO_AK	(1 << 0)
 
-#ifdef CFG_I2C_MX31_PORT1
+#ifdef CONFIG_SYS_I2C_MX31_PORT1
 #define I2C_BASE	0x43f80000
-#elif defined (CFG_I2C_MX31_PORT2)
+#elif defined (CONFIG_SYS_I2C_MX31_PORT2)
 #define I2C_BASE	0x43f98000
-#elif defined (CFG_I2C_MX31_PORT3)
+#elif defined (CONFIG_SYS_I2C_MX31_PORT3)
 #define I2C_BASE	0x43f84000
 #else
-#error "define CFG_I2C_MX31_PORTx to use the mx31 I2C driver"
+#error "define CONFIG_SYS_I2C_MX31_PORTx to use the mx31 I2C driver"
 #endif
 
 #ifdef DEBUG
diff --git a/drivers/i2c/omap1510_i2c.c b/drivers/i2c/omap1510_i2c.c
index 388951d..a4e6227 100644
--- a/drivers/i2c/omap1510_i2c.c
+++ b/drivers/i2c/omap1510_i2c.c
@@ -205,7 +205,7 @@ int i2c_read (uchar chip, uint addr, int alen, uchar * buffer, int len)
 	for (i = 0; i < len; i++) {
 		if (i2c_read_byte (chip, addr + i, &buffer[i])) {
 			printf ("I2C read: I/O error\n");
-			i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
+			i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 			return 1;
 		}
 	}
@@ -230,7 +230,7 @@ int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len)
 	for (i = 0; i < len; i++) {
 		if (i2c_write_byte (chip, addr + i, buffer[i])) {
 			printf ("I2C read: I/O error\n");
-			i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
+			i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 			return 1;
 		}
 	}
diff --git a/drivers/i2c/omap24xx_i2c.c b/drivers/i2c/omap24xx_i2c.c
index d16cfb1..134dccb 100644
--- a/drivers/i2c/omap24xx_i2c.c
+++ b/drivers/i2c/omap24xx_i2c.c
@@ -252,7 +252,7 @@ int i2c_read (uchar chip, uint addr, int alen, uchar * buffer, int len)
 	for (i = 0; i < len; i++) {
 		if (i2c_read_byte (chip, addr + i, &buffer[i])) {
 			printf ("I2C read: I/O error\n");
-			i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
+			i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 			return 1;
 		}
 	}
@@ -277,7 +277,7 @@ int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len)
 	for (i = 0; i < len; i++) {
 		if (i2c_write_byte (chip, addr + i, buffer[i])) {
 			printf ("I2C read: I/O error\n");
-			i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
+			i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 			return 1;
 		}
 	}
diff --git a/drivers/i2c/soft_i2c.c b/drivers/i2c/soft_i2c.c
index 23db2ee..ebe60e2 100644
--- a/drivers/i2c/soft_i2c.c
+++ b/drivers/i2c/soft_i2c.c
@@ -28,6 +28,7 @@
 #include <common.h>
 #ifdef	CONFIG_MPC8260			/* only valid for MPC8260 */
 #include <ioports.h>
+#include <asm/io.h>
 #endif
 #ifdef	CONFIG_AT91RM9200		/* need this for the at91rm9200 */
 #include <asm/io.h>
@@ -39,6 +40,9 @@
 #ifdef CONFIG_LPC2292
 #include <asm/arch/hardware.h>
 #endif
+#ifdef	CONFIG_MPC866			/* only valid for MPC866 */
+#include <asm/io.h>
+#endif
 #include <i2c.h>
 
 /* #define	DEBUG_I2C	*/
@@ -68,17 +72,23 @@ DECLARE_GLOBAL_DATA_PTR;
 #define PRINTD(fmt,args...)
 #endif
 
+#if defined(CONFIG_I2C_MULTI_BUS)
+static unsigned int i2c_bus_num __attribute__ ((section ("data"))) = 0;
+#endif /* CONFIG_I2C_MULTI_BUS */
+
 /*-----------------------------------------------------------------------
  * Local functions
  */
+#if !defined(CONFIG_SYS_I2C_INIT_BOARD)
 static void  send_reset	(void);
+#endif
 static void  send_start	(void);
 static void  send_stop	(void);
 static void  send_ack	(int);
 static int   write_byte	(uchar byte);
 static uchar read_byte	(int);
 
-
+#if !defined(CONFIG_SYS_I2C_INIT_BOARD)
 /*-----------------------------------------------------------------------
  * Send a reset sequence consisting of 9 clocks with the data signal high
  * to clock any confused device back into an idle state.  Also send a
@@ -86,12 +96,7 @@ static uchar read_byte	(int);
  */
 static void send_reset(void)
 {
-#ifdef	CONFIG_MPC8260
-	volatile ioport_t *iop = ioport_addr((immap_t *)CFG_IMMR, I2C_PORT);
-#endif
-#ifdef	CONFIG_8xx
-	volatile immap_t *immr = (immap_t *)CFG_IMMR;
-#endif
+	I2C_SOFT_DECLARATIONS	/* intentional without ';' */
 	int j;
 
 	I2C_SCL(1);
@@ -111,18 +116,14 @@ static void send_reset(void)
 	send_stop();
 	I2C_TRISTATE;
 }
+#endif
 
 /*-----------------------------------------------------------------------
  * START: High -> Low on SDA while SCL is High
  */
 static void send_start(void)
 {
-#ifdef	CONFIG_MPC8260
-	volatile ioport_t *iop = ioport_addr((immap_t *)CFG_IMMR, I2C_PORT);
-#endif
-#ifdef	CONFIG_8xx
-	volatile immap_t *immr = (immap_t *)CFG_IMMR;
-#endif
+	I2C_SOFT_DECLARATIONS	/* intentional without ';' */
 
 	I2C_DELAY;
 	I2C_SDA(1);
@@ -139,12 +140,7 @@ static void send_start(void)
  */
 static void send_stop(void)
 {
-#ifdef	CONFIG_MPC8260
-	volatile ioport_t *iop = ioport_addr((immap_t *)CFG_IMMR, I2C_PORT);
-#endif
-#ifdef	CONFIG_8xx
-	volatile immap_t *immr = (immap_t *)CFG_IMMR;
-#endif
+	I2C_SOFT_DECLARATIONS	/* intentional without ';' */
 
 	I2C_SCL(0);
 	I2C_DELAY;
@@ -164,12 +160,7 @@ static void send_stop(void)
  */
 static void send_ack(int ack)
 {
-#ifdef	CONFIG_MPC8260
-	volatile ioport_t *iop = ioport_addr((immap_t *)CFG_IMMR, I2C_PORT);
-#endif
-#ifdef	CONFIG_8xx
-	volatile immap_t *immr = (immap_t *)CFG_IMMR;
-#endif
+	I2C_SOFT_DECLARATIONS	/* intentional without ';' */
 
 	I2C_SCL(0);
 	I2C_DELAY;
@@ -189,12 +180,7 @@ static void send_ack(int ack)
  */
 static int write_byte(uchar data)
 {
-#ifdef	CONFIG_MPC8260
-	volatile ioport_t *iop = ioport_addr((immap_t *)CFG_IMMR, I2C_PORT);
-#endif
-#ifdef	CONFIG_8xx
-	volatile immap_t *immr = (immap_t *)CFG_IMMR;
-#endif
+	I2C_SOFT_DECLARATIONS	/* intentional without ';' */
 	int j;
 	int nack;
 
@@ -230,6 +216,51 @@ static int write_byte(uchar data)
 	return(nack);	/* not a nack is an ack */
 }
 
+#if defined(CONFIG_I2C_MULTI_BUS)
+/*
+ * Functions for multiple I2C bus handling
+ */
+unsigned int i2c_get_bus_num(void)
+{
+	return i2c_bus_num;
+}
+
+int i2c_set_bus_num(unsigned int bus)
+{
+#if defined(CONFIG_I2C_MUX)
+	if (bus < CONFIG_SYS_MAX_I2C_BUS) {
+		i2c_bus_num = bus;
+	} else {
+		int	ret;
+
+		ret = i2x_mux_select_mux(bus);
+		if (ret == 0)
+			i2c_bus_num = bus;
+		else
+			return ret;
+	}
+#else
+	if (bus >= CONFIG_SYS_MAX_I2C_BUS)
+		return -1;
+	i2c_bus_num = bus;
+#endif
+	return 0;
+}
+
+/* TODO: add 100/400k switching */
+unsigned int i2c_get_bus_speed(void)
+{
+	return CONFIG_SYS_I2C_SPEED;
+}
+
+int i2c_set_bus_speed(unsigned int speed)
+{
+	if (speed != CONFIG_SYS_I2C_SPEED)
+		return -1;
+
+	return 0;
+}
+#endif
 
 /*-----------------------------------------------------------------------
  * if ack == I2C_ACK, ACK the byte so can continue reading, else
@@ -237,12 +268,7 @@ static int write_byte(uchar data)
  */
 static uchar read_byte(int ack)
 {
-#ifdef	CONFIG_MPC8260
-	volatile ioport_t *iop = ioport_addr((immap_t *)CFG_IMMR, I2C_PORT);
-#endif
-#ifdef	CONFIG_8xx
-	volatile immap_t *immr = (immap_t *)CFG_IMMR;
-#endif
+	I2C_SOFT_DECLARATIONS	/* intentional without ';' */
 	int  data;
 	int  j;
 
@@ -275,6 +301,12 @@ static uchar read_byte(int ack)
  */
 void i2c_init (int speed, int slaveaddr)
 {
+#if defined(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.                  */
+	i2c_init_board();
+#else
 	/*
 	 * WARNING: Do NOT save speed in a static variable: if the
 	 * I2C routines are called before RAM is initialized (to read
@@ -282,6 +314,7 @@ void i2c_init (int speed, int slaveaddr)
 	 * system will crash.
 	 */
 	send_reset ();
+#endif
 }
 
 /*-----------------------------------------------------------------------
@@ -313,7 +346,7 @@ int  i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
 	PRINTD("i2c_read: chip %02X addr %02X alen %d buffer %p len %d\n",
 		chip, addr, alen, buffer, len);
 
-#ifdef CFG_I2C_EEPROM_ADDR_OVERFLOW
+#ifdef CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW
 	/*
 	 * EEPROM chips that implement "address overflow" are ones
 	 * like Catalyst 24WC04/08/16 which has 9/10/11 bits of
@@ -325,7 +358,7 @@ int  i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
 	 * still be one byte because the extra address bits are
 	 * hidden in the chip address.
 	 */
-	chip |= ((addr >> (alen * 8)) & CFG_I2C_EEPROM_ADDR_OVERFLOW);
+	chip |= ((addr >> (alen * 8)) & CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);
 
 	PRINTD("i2c_read: fix addr_overflow: chip %02X addr %02X\n",
 		chip, addr);
diff --git a/drivers/i2c/tsi108_i2c.c b/drivers/i2c/tsi108_i2c.c
index 695e393..fda822c 100644
--- a/drivers/i2c/tsi108_i2c.c
+++ b/drivers/i2c/tsi108_i2c.c
@@ -60,14 +60,14 @@ 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
@@ -75,13 +75,13 @@ 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 &
@@ -90,7 +90,7 @@ 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);
 
@@ -172,25 +172,25 @@ 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;
@@ -198,7 +198,7 @@ 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 &