PowerPC: drop some 74xx_7xx boards and related code

The file  board/Marvell/include/mv_gen_reg.h  is incompatible with
the GPL (see for example the "MARVELL RESERVES THE RIGHT AT ITS SOLE
DISCRETION TO REQUEST THAT THIS CODE BE IMMEDIATELY RETURNED TO
MARVELL" clause).  As this cannot be fixed, we remove the file and all
code that depends on it.  Fortunately this only affects some very old
boards that have long reached EOL:
	CPCI750
	DB64360
	DB64460
	p3m750
	p3m7448

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Reinhard Arlt <reinhard.arlt@esd-electronics.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Roger Meier <r.meier@siemens.com>

1 files changed, 0 insertions, 521 deletions

diff --git a/board/Marvell/common/i2c.c b/board/Marvell/common/i2c.c
deleted file mode 100644
index abdde868a74..00000000000
--- a/board/Marvell/common/i2c.c
+++ /dev/null
@@ -1,521 +0,0 @@
-/*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- *
- * Hacked for the DB64360 board by Ingo.Assmus@keymile.com
- * extra improvments by Brain Waite
- */
-#include <common.h>
-#include <mpc8xx.h>
-#include <malloc.h>
-#include <i2c.h>
-#include "../include/mv_gen_reg.h"
-#include "../include/core.h"
-
-#define MAX_I2C_RETRYS	    10
-#define I2C_DELAY	    1000	/* Should be at least the # of MHz of Tclk */
-#undef	DEBUG_I2C
-/*#define DEBUG_I2C*/
-
-#ifdef DEBUG_I2C
-#define DP(x) x
-#else
-#define DP(x)
-#endif
-
-/* Assuming that there is only one master on the bus (us) */
-
-void i2c_init (int speed, int slaveaddr)
-{
-	unsigned int n, m, freq, margin, power;
-	unsigned int actualN = 0, actualM = 0;
-	unsigned int control, status;
-	unsigned int minMargin = 0xffffffff;
-	unsigned int tclk = CONFIG_SYS_TCLK;
-	unsigned int i2cFreq = speed;	/* 100000 max. Fast mode not supported */
-
-	DP (puts ("i2c_init\n"));
-/* gtI2cMasterInit */
-	for (n = 0; n < 8; n++) {
-		for (m = 0; m < 16; m++) {
-			power = 2 << n;	/* power = 2^(n+1) */
-			freq = tclk / (10 * (m + 1) * power);
-			if (i2cFreq > freq)
-				margin = i2cFreq - freq;
-			else
-				margin = freq - i2cFreq;
-			if (margin < minMargin) {
-				minMargin = margin;
-				actualN = n;
-				actualM = m;
-			}
-		}
-	}
-
-	DP (puts ("setup i2c bus\n"));
-
-	/* Setup bus */
-/* gtI2cReset */
-	GT_REG_WRITE (I2C_SOFT_RESET, 0);
-
-	DP (puts ("udelay...\n"));
-
-	udelay (I2C_DELAY);
-
-	DP (puts ("set baudrate\n"));
-
-	GT_REG_WRITE (I2C_STATUS_BAUDE_RATE, (actualM << 3) | actualN);
-	GT_REG_WRITE (I2C_CONTROL, (0x1 << 2) | (0x1 << 6));
-
-	udelay (I2C_DELAY * 10);
-
-	DP (puts ("read control, baudrate\n"));
-
-	GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
-	GT_REG_READ (I2C_CONTROL, &control);
-}
-
-static uchar i2c_start (void)
-{				/* DB64360 checked -> ok */
-	unsigned int control, status;
-	int count = 0;
-
-	DP (puts ("i2c_start\n"));
-
-	/* Set the start bit */
-
-/* gtI2cGenerateStartBit() */
-
-	GT_REG_READ (I2C_CONTROL, &control);
-	control |= (0x1 << 5);	/* generate the I2C_START_BIT */
-	GT_REG_WRITE (I2C_CONTROL, control);
-
-	GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
-
-	count = 0;
-	while ((status & 0xff) != 0x08) {
-		udelay (I2C_DELAY);
-		if (count > 20) {
-			GT_REG_WRITE (I2C_CONTROL, (0x1 << 4));	/*stop */
-			return (status);
-		}
-		GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
-		count++;
-	}
-
-	return (0);
-}
-
-static uchar i2c_select_device (uchar dev_addr, uchar read, int ten_bit)
-{
-	unsigned int status, data, bits = 7;
-	int count = 0;
-
-	DP (puts ("i2c_select_device\n"));
-
-	/* Output slave address */
-
-	if (ten_bit) {
-		bits = 10;
-	}
-
-	data = (dev_addr << 1);
-	/* set the read bit */
-	data |= read;
-	GT_REG_WRITE (I2C_DATA, data);
-	/* assert the address */
-	RESET_REG_BITS (I2C_CONTROL, BIT3);
-
-	udelay (I2C_DELAY);
-
-	GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
-	count = 0;
-	while (((status & 0xff) != 0x40) && ((status & 0xff) != 0x18)) {
-		udelay (I2C_DELAY);
-		if (count > 20) {
-			GT_REG_WRITE (I2C_CONTROL, (0x1 << 4));	/*stop */
-			return (status);
-		}
-		GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
-		count++;
-	}
-
-	if (bits == 10) {
-		printf ("10 bit I2C addressing not yet implemented\n");
-		return (0xff);
-	}
-
-	return (0);
-}
-
-static uchar i2c_get_data (uchar * return_data, int len)
-{
-
-	unsigned int data, status = 0;
-	int count = 0;
-
-	DP (puts ("i2c_get_data\n"));
-
-	while (len) {
-
-		/* Get and return the data */
-
-		RESET_REG_BITS (I2C_CONTROL, (0x1 << 3));
-
-		udelay (I2C_DELAY * 5);
-
-		GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
-		count++;
-		while ((status & 0xff) != 0x50) {
-			udelay (I2C_DELAY);
-			if (count > 2) {
-				GT_REG_WRITE (I2C_CONTROL, (0x1 << 4));	/*stop */
-				return 0;
-			}
-			GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
-			count++;
-		}
-		GT_REG_READ (I2C_DATA, &data);
-		len--;
-		*return_data = (uchar) data;
-		return_data++;
-	}
-	RESET_REG_BITS (I2C_CONTROL, BIT2 | BIT3);
-	while ((status & 0xff) != 0x58) {
-		udelay (I2C_DELAY);
-		if (count > 200) {
-			GT_REG_WRITE (I2C_CONTROL, (0x1 << 4));	/*stop */
-			return (status);
-		}
-		GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
-		count++;
-	}
-	GT_REG_WRITE (I2C_CONTROL, (0x1 << 4));	/* stop */
-
-	return (0);
-}
-
-static uchar i2c_write_data (unsigned int *data, int len)
-{
-	unsigned int status;
-	int count = 0;
-	unsigned int temp;
-	unsigned int *temp_ptr = data;
-
-	DP (puts ("i2c_write_data\n"));
-
-	while (len) {
-		temp = (unsigned int) (*temp_ptr);
-		GT_REG_WRITE (I2C_DATA, temp);
-		RESET_REG_BITS (I2C_CONTROL, (0x1 << 3));
-
-		udelay (I2C_DELAY);
-
-		GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
-		count++;
-		while ((status & 0xff) != 0x28) {
-			udelay (I2C_DELAY);
-			if (count > 20) {
-				GT_REG_WRITE (I2C_CONTROL, (0x1 << 4));	/*stop */
-				return (status);
-			}
-			GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
-			count++;
-		}
-		len--;
-		temp_ptr++;
-	}
-/* 11-14-2002 Paul Marchese */
-/* Can't have the write issuing a stop command */
-/* it's wrong to have a stop bit in read stream or write stream */
-/* since we don't know if it's really the end of the command */
-/* or whether we have just send the device address + offset */
-/* we will push issuing the stop command off to the original */
-/* calling function */
-	/* set the interrupt bit in the control register */
-	GT_REG_WRITE (I2C_CONTROL, (0x1 << 3));
-	udelay (I2C_DELAY * 10);
-	return (0);
-}
-
-/* 11-14-2002 Paul Marchese */
-/* created this function to get the i2c_write() */
-/* function working properly. */
-/* function to write bytes out on the i2c bus */
-/* this is identical to the function i2c_write_data() */
-/* except that it requires a buffer that is an */
-/* unsigned character array.  You can't use */
-/* i2c_write_data() to send an array of unsigned characters */
-/* since the byte of interest ends up on the wrong end of the bus */
-/* aah, the joys of big endian versus little endian! */
-/* */
-/* returns 0 = success */
-/*         anything other than zero is failure */
-static uchar i2c_write_byte (unsigned char *data, int len)
-{
-	unsigned int status;
-	int count = 0;
-	unsigned int temp;
-	unsigned char *temp_ptr = data;
-
-	DP (puts ("i2c_write_byte\n"));
-
-	while (len) {
-		/* Set and assert the data */
-		temp = *temp_ptr;
-		GT_REG_WRITE (I2C_DATA, temp);
-		RESET_REG_BITS (I2C_CONTROL, (0x1 << 3));
-
-		udelay (I2C_DELAY);
-
-		GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
-		count++;
-		while ((status & 0xff) != 0x28) {
-			udelay (I2C_DELAY);
-			if (count > 20) {
-				GT_REG_WRITE (I2C_CONTROL, (0x1 << 4));	/*stop */
-				return (status);
-			}
-			GT_REG_READ (I2C_STATUS_BAUDE_RATE, &status);
-			count++;
-		}
-		len--;
-		temp_ptr++;
-	}
-/* Can't have the write issuing a stop command */
-/* it's wrong to have a stop bit in read stream or write stream */
-/* since we don't know if it's really the end of the command */
-/* or whether we have just send the device address + offset */
-/* we will push issuing the stop command off to the original */
-/* calling function */
-/*	GT_REG_WRITE(I2C_CONTROL, (0x1 << 3) | (0x1 << 4));
-	GT_REG_WRITE(I2C_CONTROL, (0x1 << 4)); */
-	/* set the interrupt bit in the control register */
-	GT_REG_WRITE (I2C_CONTROL, (0x1 << 3));
-	udelay (I2C_DELAY * 10);
-
-	return (0);
-}
-
-static uchar
-i2c_set_dev_offset (uchar dev_addr, unsigned int offset, int ten_bit,
-		    int alen)
-{
-	uchar status;
-	unsigned int table[2];
-
-/* initialize the table of address offset bytes */
-/* utilized for 2 byte address offsets */
-/* NOTE: the order is high byte first! */
-	table[1] = offset & 0xff;	/* low byte */
-	table[0] = offset / 0x100;	/* high byte */
-
-	DP (puts ("i2c_set_dev_offset\n"));
-
-	status = i2c_select_device (dev_addr, 0, ten_bit);
-	if (status) {
-#ifdef DEBUG_I2C
-		printf ("Failed to select device setting offset: 0x%02x\n",
-			status);
-#endif
-		return status;
-	}
-/* check the address offset length */
-	if (alen == 0)
-		/* no address offset */
-		return (0);
-	else if (alen == 1) {
-		/* 1 byte address offset */
-		status = i2c_write_data (&offset, 1);
-		if (status) {
-#ifdef DEBUG_I2C
-			printf ("Failed to write data: 0x%02x\n", status);
-#endif
-			return status;
-		}
-	} else if (alen == 2) {
-		/* 2 bytes address offset */
-		status = i2c_write_data (table, 2);
-		if (status) {
-#ifdef DEBUG_I2C
-			printf ("Failed to write data: 0x%02x\n", status);
-#endif
-			return status;
-		}
-	} else {
-		/* address offset unknown or not supported */
-		printf ("Address length offset %d is not supported\n", alen);
-		return 1;
-	}
-	return 0;		/* sucessful completion */
-}
-
-int
-i2c_read (uchar dev_addr, unsigned int offset, int alen, uchar * data,
-	  int len)
-{
-	uchar status = 0;
-	unsigned int i2cFreq = CONFIG_SYS_I2C_SPEED;
-
-	DP (puts ("i2c_read\n"));
-
-	/* set the i2c frequency */
-	i2c_init (i2cFreq, CONFIG_SYS_I2C_SLAVE);
-
-	status = i2c_start ();
-
-	if (status) {
-#ifdef DEBUG_I2C
-		printf ("Transaction start failed: 0x%02x\n", status);
-#endif
-		return status;
-	}
-
-	status = i2c_set_dev_offset (dev_addr, offset, 0, alen);	/* send the slave address + offset */
-	if (status) {
-#ifdef DEBUG_I2C
-		printf ("Failed to set slave address & offset: 0x%02x\n",
-			status);
-#endif
-		return status;
-	}
-
-	/* set the i2c frequency again */
-	i2c_init (i2cFreq, CONFIG_SYS_I2C_SLAVE);
-
-	status = i2c_start ();
-	if (status) {
-#ifdef DEBUG_I2C
-		printf ("Transaction restart failed: 0x%02x\n", status);
-#endif
-		return status;
-	}
-
-	status = i2c_select_device (dev_addr, 1, 0);	/* send the slave address */
-	if (status) {
-#ifdef DEBUG_I2C
-		printf ("Address not acknowledged: 0x%02x\n", status);
-#endif
-		return status;
-	}
-
-	status = i2c_get_data (data, len);
-	if (status) {
-#ifdef DEBUG_I2C
-		printf ("Data not received: 0x%02x\n", status);
-#endif
-		return status;
-	}
-
-	return 0;
-}
-
-/* 11-14-2002 Paul Marchese */
-/* Function to set the I2C stop bit */
-void i2c_stop (void)
-{
-	GT_REG_WRITE (I2C_CONTROL, (0x1 << 4));
-}
-
-/* 11-14-2002 Paul Marchese */
-/* I2C write function */
-/* dev_addr = device address */
-/* offset = address offset */
-/* alen = length in bytes of the address offset */
-/* data = pointer to buffer to read data into */
-/* len = # of bytes to read */
-/* */
-/* returns 0 = succesful */
-/*         anything but zero is failure */
-int
-i2c_write (uchar dev_addr, unsigned int offset, int alen, uchar * data,
-	   int len)
-{
-	uchar status = 0;
-	unsigned int i2cFreq = CONFIG_SYS_I2C_SPEED;
-
-	DP (puts ("i2c_write\n"));
-
-	/* set the i2c frequency */
-	i2c_init (i2cFreq, CONFIG_SYS_I2C_SLAVE);
-
-	status = i2c_start ();	/* send a start bit */
-
-	if (status) {
-#ifdef DEBUG_I2C
-		printf ("Transaction start failed: 0x%02x\n", status);
-#endif
-		return status;
-	}
-
-	status = i2c_set_dev_offset (dev_addr, offset, 0, alen);	/* send the slave address + offset */
-	if (status) {
-#ifdef DEBUG_I2C
-		printf ("Failed to set slave address & offset: 0x%02x\n",
-			status);
-#endif
-		return status;
-	}
-
-
-	status = i2c_write_byte (data, len);	/* write the data */
-	if (status) {
-#ifdef DEBUG_I2C
-		printf ("Data not written: 0x%02x\n", status);
-#endif
-		return status;
-	}
-	/* issue a stop bit */
-	i2c_stop ();
-	return 0;
-}
-
-/* 11-14-2002 Paul Marchese */
-/* function to determine if an I2C device is present */
-/* chip = device address of chip to check for */
-/* */
-/* returns 0 = sucessful, the device exists */
-/*         anything other than zero is failure, no device */
-int i2c_probe (uchar chip)
-{
-
-	/* We are just looking for an <ACK> back. */
-	/* To see if the device/chip is there */
-
-#ifdef DEBUG_I2C
-	unsigned int i2c_status;
-#endif
-	uchar status = 0;
-	unsigned int i2cFreq = CONFIG_SYS_I2C_SPEED;
-
-	DP (puts ("i2c_probe\n"));
-
-	/* set the i2c frequency */
-	i2c_init (i2cFreq, CONFIG_SYS_I2C_SLAVE);
-
-	status = i2c_start ();	/* send a start bit */
-
-	if (status) {
-#ifdef DEBUG_I2C
-		printf ("Transaction start failed: 0x%02x\n", status);
-#endif
-		return (int) status;
-	}
-
-	status = i2c_set_dev_offset (chip, 0, 0, 0);	/* send the slave address + no offset */
-	if (status) {
-#ifdef DEBUG_I2C
-		printf ("Failed to set slave address: 0x%02x\n", status);
-#endif
-		return (int) status;
-	}
-#ifdef DEBUG_I2C
-	GT_REG_READ (I2C_STATUS_BAUDE_RATE, &i2c_status);
-	printf ("address %#x returned %#x\n", chip, i2c_status);
-#endif
-	/* issue a stop bit */
-	i2c_stop ();
-	return 0;		/* successful completion */
-}