mpc83xx: Update 83xx to use fsl_i2c.c

Update the 83xx tree to use I2C support in drivers/fsl_i2c.c.  Delete
cpu/mpc83xx/i2c.c, include/asm-ppc/i2c.h, and all references to those files.
Added multiple I2C bus support to fsl_i2c.c.

Signed-off-by: Timur Tabi <timur@freescale.com>

4 files changed, 29 insertions, 43 deletions

diff --git a/board/mpc8349emds/pci.c b/board/mpc8349emds/pci.c
index da49a5d..bb60e73 100644
--- a/board/mpc8349emds/pci.c
+++ b/board/mpc8349emds/pci.c
@@ -74,9 +74,7 @@ pib_init(void)
 	 */
 	/* Switch temporarily to I2C bus #2 */
 	orig_i2c_bus = i2c_get_bus_num();
-
-	if(orig_i2c_bus != 2)
-	 	i2c_set_bus_num(2);
+        i2c_set_bus_num(1);
 
 	val8 = 0;
 	i2c_write(0x23, 0x6, 1, &val8, 1);
@@ -122,8 +120,7 @@ pib_init(void)
 	printf("PCI2: 32-bit on PMC3\n");
 #endif
 	/* Reset to original I2C bus */
-	if(orig_i2c_bus != 2)
-	 	i2c_set_bus_num(orig_i2c_bus);
+	i2c_set_bus_num(orig_i2c_bus);
 }
 
 /**************************************************************************
diff --git a/board/mpc8349itx/mpc8349itx.c b/board/mpc8349itx/mpc8349itx.c
index c0e72c9..097bb37 100644
--- a/board/mpc8349itx/mpc8349itx.c
+++ b/board/mpc8349itx/mpc8349itx.c
@@ -134,8 +134,7 @@ volatile static struct pci_controller hose[] = {
 };
 #endif				/* CONFIG_PCI */
 
-/* If MPC8349E-mITX is soldered with SDRAM, then initialize it.
-*/
+/* If MPC8349E-mITX is soldered with SDRAM, then initialize it. */
 
 void sdram_init(void)
 {
@@ -255,32 +254,12 @@ long int initdram(int board_type)
 
 int checkboard(void)
 {
-#ifdef CONFIG_HARD_I2C
-	u8 i2c_data;
-#endif
-
-	puts("Board: Freescale MPC8349E-mITX");
-
-#ifdef CONFIG_HARD_I2C
-	i2c_set_bus_num(2);
-	if (i2c_read(CFG_I2C_8574A_ADDR2, 0, 0, &i2c_data, sizeof(i2c_data)) ==
-	    0)
-		printf(" %u.%u (PCF8475A)", (i2c_data & 0x02) >> 1,
-		       i2c_data & 0x01);
-	else if (i2c_read(CFG_I2C_8574_ADDR2, 0, 0, &i2c_data, sizeof(i2c_data))
-		 == 0)
-		printf(" %u.%u (PCF8475)", (i2c_data & 0x02) >> 1,
-		       i2c_data & 0x01);
-	else
-		printf(" ?.?");
-#endif
-
-	puts("\n");
+	puts("Board: Freescale MPC8349E-mITX\n");
 
 	return 0;
 }
 
-/**
+/*
  * Implement a work-around for a hardware problem with compact
  * flash.
  *
@@ -347,7 +326,7 @@ int misc_init_f(void)
 	return 0;
 }
 
-/**
+/*
  * Make sure the EEPROM has the HRCW correctly programmed.
  * Make sure the RTC is correctly programmed.
  *
@@ -366,7 +345,8 @@ int misc_init_r(void)
 
 #ifdef CONFIG_HARD_I2C
 
-	uchar orig_bus = i2c_get_bus_num();;
+	unsigned int orig_bus = i2c_get_bus_num();;
+	u8 i2c_data;
 
 #ifdef CFG_I2C_RTC_ADDR
 	char ds1339_data[17];
@@ -381,8 +361,21 @@ int misc_init_r(void)
 	};
 
 	u8 data[sizeof(eeprom_data)];
+#endif
 
+	printf("Board revision: ");
 	i2c_set_bus_num(1);
+	if (i2c_read(CFG_I2C_8574A_ADDR2, 0, 0, &i2c_data, sizeof(i2c_data)) == 0)
+		printf("%u.%u (PCF8475A)\n", (i2c_data & 0x02) >> 1, i2c_data & 0x01);
+	else if (i2c_read(CFG_I2C_8574_ADDR2, 0, 0, &i2c_data, sizeof(i2c_data)) == 0)
+		printf("%u.%u (PCF8475)\n",  (i2c_data & 0x02) >> 1, i2c_data & 0x01);
+	else {
+		printf("Unknown\n");
+		rc = 1;
+	}
+
+#ifdef CFG_I2C_EEPROM_ADDR
+	i2c_set_bus_num(0);
 
 	if (i2c_read(CFG_I2C_EEPROM_ADDR, 0, 2, data, sizeof(data)) == 0) {
 		if (memcmp(data, eeprom_data, sizeof(data)) != 0) {
@@ -400,7 +393,7 @@ int misc_init_r(void)
 #endif
 
 #ifdef CFG_I2C_RTC_ADDR
-	i2c_set_bus_num(2);
+	i2c_set_bus_num(1);
 
 	if (i2c_read(CFG_I2C_RTC_ADDR, 0, 1, ds1339_data, sizeof(ds1339_data))
 	    == 0) {
diff --git a/board/mpc8349itx/pci.c b/board/mpc8349itx/pci.c
index 535cc34..e81ad27 100644
--- a/board/mpc8349itx/pci.c
+++ b/board/mpc8349itx/pci.c
@@ -29,6 +29,9 @@
 #include <pci.h>
 #include <asm/mpc8349_pci.h>
 #include <i2c.h>
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+#endif
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -105,7 +108,7 @@ void pci_init_board(void)
 	udelay(2000);
 
 #ifdef CONFIG_HARD_I2C
-	i2c_set_bus_num(2);
+	i2c_set_bus_num(1);
 	/* Read the PCI_M66EN jumper setting */
 	if ((i2c_read(CFG_I2C_8574_ADDR2, 0, 0, &reg8, sizeof(reg8)) == 0) ||
 	    (i2c_read(CFG_I2C_8574A_ADDR2, 0, 0, &reg8, sizeof(reg8)) == 0)) {
diff --git a/board/mpc8360emds/pci.c b/board/mpc8360emds/pci.c
index a013ba3..15a48dc 100644
--- a/board/mpc8360emds/pci.c
+++ b/board/mpc8360emds/pci.c
@@ -19,7 +19,7 @@
 #include <pci.h>
 #include <i2c.h>
 
-#include <asm/i2c.h>
+#include <asm/fsl_i2c.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -200,9 +200,7 @@ void pci_init_board(void)
 
 	/* Switch temporarily to I2C bus #2 */
 	orig_i2c_bus = i2c_get_bus_num();
-
-	if(orig_i2c_bus != 2)
-	 	i2c_set_bus_num(2);
+ 	i2c_set_bus_num(1);
 
 	val8 = 0;
 	i2c_write(0x23, 0x6, 1, &val8, 1);
@@ -231,12 +229,7 @@ void pci_init_board(void)
 	asm("eieio");
 
 	/* Reset to original I2C bus */
-	if(orig_i2c_bus != 2)
-	 	i2c_set_bus_num(orig_i2c_bus);
-
-	/* Reset to original I2C bus */
-	if(orig_i2c_bus != 2)
-		i2c_set_bus_num(orig_i2c_bus);
+	i2c_set_bus_num(orig_i2c_bus);
 
 	/*
 	 * Release PCI RST Output signal