imported Freescale specific U-Boot additions for i.MX28,... release L2.6.31_10.08.01

[karo-tx-uboot.git] / board / v38b / ethaddr.c

diff --git a/board/v38b/ethaddr.c b/board/v38b/ethaddr.c
index aaa629ef61119d3fb5565f2afdd916b2e53690a9..4e2494eee5ce12ad5f1f7f04f05e507a6e03836a 100755 (executable)
--- 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);
        }
 }