From ffa150bc90c943ca265170bd1be3f293674dd5c7 Mon Sep 17 00:00:00 2001
From: Bartlomiej Sieka <tur@semihalf.com>
Date: Wed, 1 Nov 2006 01:45:46 +0100
Subject: [PATCH] - Fix issues related to the use of ELDK 4 when compiling for
 MarelV38B:       * remove warnings when compiling ethaddr.c       * adjust
 linker script (fixes a crash resulting from incorrect       definition of
 __u_boot_cmd_start) - Some MarelV38B code cleanup.

---
 board/v38b/ethaddr.c  | 91 ++++++++++++-------------------------------
 board/v38b/u-boot.lds |  3 ++
 2 files changed, 28 insertions(+), 66 deletions(-)

diff --git a/board/v38b/ethaddr.c b/board/v38b/ethaddr.c
index aaa629ef61..4e2494eee5 100644
--- a/board/v38b/ethaddr.c
+++ b/board/v38b/ethaddr.c
@@ -1,5 +1,4 @@
 /*
- *
  * (C) Copyright 2006
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
@@ -25,48 +24,13 @@
 #include <common.h>
 #include <mpc5xxx.h>
 
-#define GPIO_ENABLE	(MPC5XXX_WU_GPIO)
-
-/* Open Drain Emulation Register */
-#define GPIO_ODR	(MPC5XXX_WU_GPIO + 0x04)
-
-/* Data Direction Register */
-#define GPIO_DDR	(MPC5XXX_WU_GPIO + 0x08)
-
-/* Data Value Out Register */
-#define GPIO_DVOR	(MPC5XXX_WU_GPIO + 0x0C)
-
-/* Interrupt Enable Register */
-#define GPIO_IER	(MPC5XXX_WU_GPIO + 0x10)
-
-/* Individual Interrupt Enable Register */
-#define GPIO_IIER	(MPC5XXX_WU_GPIO + 0x14)
-
-/* Interrupt Type Register */
-#define GPIO_ITR	(MPC5XXX_WU_GPIO + 0x18)
-
-/* Master Enable Register */
-#define GPIO_MER	(MPC5XXX_WU_GPIO + 0x1C)
-
-/* Data Input Value Register */
-#define GPIO_DIVR	(MPC5XXX_WU_GPIO + 0x20)
-
-/* Status Register */
-#define GPIO_SR		(MPC5XXX_WU_GPIO + 0x24)
-
-#define PSC6_0		0x10000000
-#define WKUP_7		0x80000000
-
-/* For NS4 A/B board define WKUP_7, for V38B board PSC_6 */
-#define GPIO_PIN	PSC6_0
+/* For the V38B board the pin is GPIO_PSC_6 */
+#define GPIO_PIN	GPIO_PSC6_0
 
 #define NO_ERROR	0
 #define ERR_NO_NUMBER	1
 #define ERR_BAD_NUMBER	2
 
-typedef volatile unsigned long GPIO_REG;
-typedef GPIO_REG *GPIO_REG_PTR;
-
 static int is_high(void);
 static int check_device(void);
 static void io_out(int value);
@@ -79,33 +43,34 @@ static void write_byte(unsigned char command);
 void read_2501_memory(unsigned char *psernum, unsigned char *perr);
 void board_get_enetaddr(uchar *enetaddr);
 
+
 static int is_high()
 {
-	return (* ((vu_long *) GPIO_DIVR) & GPIO_PIN);
+	return (*((vu_long *) MPC5XXX_WU_GPIO_DATA_I) & GPIO_PIN);
 }
 
 static void io_out(int value)
 {
 	if (value)
-		*((vu_long *) GPIO_DVOR) |= GPIO_PIN;
+		*((vu_long *) MPC5XXX_WU_GPIO_DATA_O) |= GPIO_PIN;
 	else
-		*((vu_long *) GPIO_DVOR) &= ~GPIO_PIN;
+		*((vu_long *) MPC5XXX_WU_GPIO_DATA_O) &= ~GPIO_PIN;
 }
 
 static void io_input()
 {
-	*((vu_long *) GPIO_DDR) &= ~GPIO_PIN;
+	*((vu_long *) MPC5XXX_WU_GPIO_DIR) &= ~GPIO_PIN;
 	udelay(3);	/* allow input to settle */
 }
 
 static void io_output()
 {
-	*((vu_long *) GPIO_DDR) |= GPIO_PIN;
+	*((vu_long *) MPC5XXX_WU_GPIO_DIR) |= GPIO_PIN;
 }
 
 static void init_gpio()
 {
-	*((vu_long *) GPIO_ENABLE) |= GPIO_PIN;	/* Enable appropriate pin */
+	*((vu_long *) MPC5XXX_WU_GPIO_ENABLE) |= GPIO_PIN;	/* Enable appropriate pin */
 }
 
 void read_2501_memory(unsigned char *psernum, unsigned char *perr)
@@ -117,8 +82,8 @@ void read_2501_memory(unsigned char *psernum, unsigned char *perr)
 	*perr = 0;
 	crcval = 0;
 
-	for (i=0; i<NBYTES; i++)
-
+	for (i = 0; i < NBYTES; i++)
+		buf[i] = 0;
 
 	if (!check_device())
 		*perr = ERR_NO_NUMBER;
@@ -130,10 +95,10 @@ void read_2501_memory(unsigned char *psernum, unsigned char *perr)
 		write_byte(0x00);
 		read_byte(&crcval);		/* Read CRC of address and command */
 
-		for (i=0; i<NBYTES; i++)
-			read_byte( &buf[i] );
+		for (i = 0; i < NBYTES; i++)
+			read_byte(&buf[i]);
 	}
-	if (strncmp((const char*) &buf[11], "MAREL IEEE 802.3", 16)) {
+	if (strncmp((const char *) &buf[11], "MAREL IEEE 802.3", 16)) {
 		*perr = ERR_BAD_NUMBER;
 		psernum[0] = 0x00;
 		psernum[1] = 0xE0;
@@ -141,8 +106,7 @@ void read_2501_memory(unsigned char *psernum, unsigned char *perr)
 		psernum[3] = 0xFF;
 		psernum[4] = 0xFF;
 		psernum[5] = 0xFF;
-	}
-	else {
+	} else {
 		psernum[0] = 0x00;
 		psernum[1] = 0xE0;
 		psernum[2] = 0xEE;
@@ -173,27 +137,23 @@ static void write_byte(unsigned char command)
 {
 	char i;
 
-	for (i=0; i<8; i++) {
+	for (i = 0; i < 8; i++) {
 		/* 1 us to 15 us low pulse starts bit slot */
 		/* Start with high pulse for 3 us */
 		io_input();
-
 		udelay(3);
 
 		io_out(0);
 		io_output();
-
 		udelay(3);
 
 		if (command & 0x01) {
 			/* 60 us high for 1-bit */
 			io_input();
 			udelay(60);
-		}
-		else {
+		} else
 			/* 60 us low for 0-bit */
 			udelay(60);
-		}
 		/*  Leave pin as input */
 		io_input();
 
@@ -201,11 +161,11 @@ static void write_byte(unsigned char command)
 	}
 }
 
-static void read_byte(unsigned char  *data)
+static void read_byte(unsigned char *data)
 {
 	unsigned char i, rdat = 0;
 
-	for (i=0; i<8; i++) {
+	for (i = 0; i < 8; i++) {
 		/* read one bit from one-wire device */
 
 		/* 1 - 15 us low starts bit slot */
@@ -233,22 +193,21 @@ static void read_byte(unsigned char  *data)
 
 void board_get_enetaddr(uchar *enetaddr)
 {
-	unsigned char sn[6], err=NO_ERROR;
+	unsigned char sn[6], err = NO_ERROR;
 
 	init_gpio();
 
 	read_2501_memory(sn, &err);
 
 	if (err == NO_ERROR) {
-		sprintf(enetaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
+		sprintf((char *)enetaddr, "%02x:%02x:%02x:%02x:%02x:%02x",
 				sn[0], sn[1], sn[2], sn[3], sn[4], sn[5]);
 		printf("MAC address: %s\n", enetaddr);
-		setenv("ethaddr", enetaddr);
-	}
-	else {
-		sprintf(enetaddr, "00:01:02:03:04:05");
+		setenv("ethaddr", (char *)enetaddr);
+	} else {
+		sprintf((char *)enetaddr, "00:01:02:03:04:05");
 		printf("Error reading MAC address.\n");
 		printf("Setting default to %s\n", enetaddr);
-		setenv("ethaddr", enetaddr);
+		setenv("ethaddr", (char *)enetaddr);
 	}
 }
diff --git a/board/v38b/u-boot.lds b/board/v38b/u-boot.lds
index 6ec525691a..4fdea6b783 100644
--- a/board/v38b/u-boot.lds
+++ b/board/v38b/u-boot.lds
@@ -61,6 +61,7 @@ SECTIONS
     *(.rodata)
     *(.rodata1)
     *(.rodata.str1.4)
+    *(.eh_frame)
   }
   .fini      : { *(.fini)    } =0
   .ctors     : { *(.ctors)   }
@@ -93,11 +94,13 @@ SECTIONS
   _edata  =  .;
   PROVIDE (edata = .);
 
+  . = .;
   __u_boot_cmd_start = .;
   .u_boot_cmd : { *(.u_boot_cmd) }
   __u_boot_cmd_end = .;
 
 
+  . = .;
   __start___ex_table = .;
   __ex_table : { *(__ex_table) }
   __stop___ex_table = .;
-- 
2.39.2