varisys: Remove dead codeWIP/migrate-more-I2C

The platforms this code was for have been removed, drop this support
code as well.

Signed-off-by: Tom Rini <trini@konsulko.com>

3 files changed, 0 insertions, 527 deletions

diff --git a/board/varisys/common/Makefile b/board/varisys/common/Makefile
deleted file mode 100644
index b7358c7c64..0000000000
--- a/board/varisys/common/Makefile
+++ /dev/null
@@ -1,21 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0+
-#
-# (C) Copyright 2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-
-MINIMAL=
-
-ifdef CONFIG_SPL_BUILD
-ifdef CONFIG_SPL_INIT_MINIMAL
-MINIMAL=y
-endif
-endif
-
-ifdef MINIMAL
-# necessary to create built-in.o
-obj- := __dummy__.o
-else
-ifndef CONFIG_SPL_BUILD
-obj-$(CONFIG_ID_EEPROM)	+= sys_eeprom.o
-endif
-endif
diff --git a/board/varisys/common/eeprom.h b/board/varisys/common/eeprom.h
deleted file mode 100644
index 004816a0fd..0000000000
--- a/board/varisys/common/eeprom.h
+++ /dev/null
@@ -1,6 +0,0 @@
-/* EEPROM init functions for Cyrus */
-
-
-void init_eeprom(int bus_num, int addr, int addr_len);
-void mac_read_from_fixed_id(void);
-int mac_read_from_eeprom_common(void);
diff --git a/board/varisys/common/sys_eeprom.c b/board/varisys/common/sys_eeprom.c
deleted file mode 100644
index 8f624e5e36..0000000000
--- a/board/varisys/common/sys_eeprom.c
+++ /dev/null
@@ -1,500 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Based on board/freescale/common/sys_eeprom.c
- * Copyright 2006, 2008-2009, 2011 Freescale Semiconductor
- *
- * This defines the API for storing board information in the
- * eeprom. It has been adapted from an earlier version of the
- * Freescale API, but has a number of key differences. Because
- * the two APIs are independent and may diverge further, the
- * Varisys version of the API is implemented separately here.
- */
-
-#include <common.h>
-#include <command.h>
-#include <env.h>
-#include <i2c.h>
-#include <linux/ctype.h>
-#include <linux/delay.h>
-#include <u-boot/crc.h>
-
-#include "eeprom.h"
-
-#ifdef CONFIG_SYS_I2C_EEPROM_NXID_MAC
-#define MAX_NUM_PORTS	CONFIG_SYS_I2C_EEPROM_NXID_MAC
-#else
-#define MAX_NUM_PORTS	8
-#endif
-#define NXID_VERSION	0
-
-/**
- * static eeprom: EEPROM layout for NXID formats
- *
- * See Freescale application note AN3638 for details.
- */
-static struct __attribute__ ((__packed__)) eeprom {
-	u8 id[4];         /* 0x00 - 0x03 EEPROM Tag 'NXID' */
-	u8 sn[12];        /* 0x04 - 0x0F Serial Number */
-	u8 errata[5];     /* 0x10 - 0x14 Errata Level */
-	u8 date[6];       /* 0x15 - 0x1a Build Date */
-	u8 res_0;         /* 0x1b        Reserved */
-	u32 version;      /* 0x1c - 0x1f NXID Version */
-	u8 tempcal[8];    /* 0x20 - 0x27 Temperature Calibration Factors */
-	u8 tempcalsys[2]; /* 0x28 - 0x29 System Temperature Calibration Factors */
-	u8 tempcalflags;  /* 0x2a        Temperature Calibration Flags */
-	u8 res_1[21];     /* 0x2b - 0x3f Reserved */
-	u8 mac_count;     /* 0x40        Number of MAC addresses */
-	u8 mac_flag;      /* 0x41        MAC table flags */
-	u8 mac[MAX_NUM_PORTS][6];     /* 0x42 - x MAC addresses */
-	u32 crc;          /* x+1         CRC32 checksum */
-} e;
-
-/* Set to 1 if we've read EEPROM into memory */
-static int has_been_read;
-
-/* Is this a valid NXID EEPROM? */
-#define is_valid ((e.id[0] == 'N') || (e.id[1] == 'X') || \
-		  (e.id[2] == 'I') || (e.id[3] == 'D'))
-
-/** Fixed ID field in EEPROM */
-static unsigned char uid[16];
-
-static int eeprom_bus_num = -1;
-static int eeprom_addr;
-static int eeprom_addr_len;
-
-/**
- * This must be called before any eeprom access.
- */
-void init_eeprom(int bus_num, int addr, int addr_len)
-{
-	eeprom_bus_num = bus_num;
-	eeprom_addr = addr;
-	eeprom_addr_len = addr_len;
-}
-
-/**
- * show_eeprom - display the contents of the EEPROM
- */
-void show_eeprom(void)
-{
-	int i;
-	unsigned int crc;
-
-	/* EEPROM tag ID, either CCID or NXID */
-	printf("ID: %c%c%c%c v%u\n", e.id[0], e.id[1], e.id[2], e.id[3],
-		be32_to_cpu(e.version));
-
-	/* Serial number */
-	printf("SN: %s\n", e.sn);
-
-	printf("UID: ");
-	for (i = 0; i < 16; i++)
-		printf("%02x", uid[i]);
-	printf("\n");
-
-	/* Errata level. */
-	printf("Errata: %s\n", e.errata);
-
-	/* Build date, BCD date values, as YYMMDDhhmmss */
-	printf("Build date: 20%02x/%02x/%02x %02x:%02x:%02x %s\n",
-		e.date[0], e.date[1], e.date[2],
-		e.date[3] & 0x7F, e.date[4], e.date[5],
-		e.date[3] & 0x80 ? "PM" : "");
-
-	/* Show MAC addresses  */
-	for (i = 0; i < min(e.mac_count, (u8)MAX_NUM_PORTS); i++) {
-		u8 *p = e.mac[i];
-
-		printf("Eth%u: %02x:%02x:%02x:%02x:%02x:%02x\n", i,
-		       p[0], p[1], p[2], p[3], p[4], p[5]);
-	}
-
-	crc = crc32(0, (void *)&e, sizeof(e) - 4);
-
-	if (crc == be32_to_cpu(e.crc))
-		printf("CRC: %08x\n", be32_to_cpu(e.crc));
-	else
-		printf("CRC: %08x (should be %08x)\n",
-		       be32_to_cpu(e.crc), crc);
-
-#ifdef DEBUG
-	printf("EEPROM dump: (0x%x bytes)\n", sizeof(e));
-	for (i = 0; i < sizeof(e); i++) {
-		if ((i % 16) == 0)
-			printf("%02X: ", i);
-		printf("%02X ", ((u8 *)&e)[i]);
-		if (((i % 16) == 15) || (i == sizeof(e) - 1))
-			printf("\n");
-	}
-#endif
-}
-
-/**
- * read_eeprom - read the EEPROM into memory
- */
-int read_eeprom(void)
-{
-	int ret;
-	unsigned int bus;
-
-	if (eeprom_bus_num < 0) {
-		printf("EEPROM not configured\n");
-		return -1;
-	}
-
-	if (has_been_read)
-		return 0;
-
-	bus = i2c_get_bus_num();
-	i2c_set_bus_num(eeprom_bus_num);
-
-	ret = i2c_read(eeprom_addr, 0, eeprom_addr_len,
-		(void *)&e, sizeof(e));
-
-
-	/* Fixed address of ID field */
-	i2c_read(0x5f, 0x80, 1, uid, 16);
-
-	i2c_set_bus_num(bus);
-
-#ifdef DEBUG
-	show_eeprom();
-#endif
-
-	has_been_read = (ret == 0) ? 1 : 0;
-
-	return ret;
-}
-
-/**
- *  update_crc - update the CRC
- *
- *  This function should be called after each update to the EEPROM structure,
- *  to make sure the CRC is always correct.
- */
-static void update_crc(void)
-{
-	u32 crc, crc_offset = offsetof(struct eeprom, crc);
-
-	crc = crc32(0, (void *)&e, crc_offset);
-	e.crc = cpu_to_be32(crc);
-}
-
-/**
- * prog_eeprom - write the EEPROM from memory
- */
-static int prog_eeprom(void)
-{
-	int ret = 0;
-	int i;
-	void *p;
-	unsigned int bus;
-
-	if (eeprom_bus_num < 0) {
-		printf("EEPROM not configured\n");
-		return -1;
-	}
-
-	/* Set the reserved values to 0xFF   */
-	e.res_0 = 0xFF;
-	memset(e.res_1, 0xFF, sizeof(e.res_1));
-	update_crc();
-
-	bus = i2c_get_bus_num();
-	i2c_set_bus_num(eeprom_bus_num);
-
-	/*
-	 * The AT24C02 datasheet says that data can only be written in page
-	 * mode, which means 8 bytes at a time, and it takes up to 5ms to
-	 * complete a given write.
-	 */
-	for (i = 0, p = &e; i < sizeof(e); i += 8, p += 8) {
-		ret = i2c_write(eeprom_addr, i, eeprom_addr_len,
-			p, min((int)(sizeof(e) - i), 8));
-		if (ret)
-			break;
-		udelay(5000);	/* 5ms write cycle timing */
-	}
-
-	if (!ret) {
-		/* Verify the write by reading back the EEPROM and comparing */
-		struct eeprom e2;
-
-		ret = i2c_read(eeprom_addr, 0,
-			eeprom_addr_len, (void *)&e2, sizeof(e2));
-		if (!ret && memcmp(&e, &e2, sizeof(e)))
-			ret = -1;
-	}
-
-	i2c_set_bus_num(bus);
-
-	if (ret) {
-		printf("Programming failed.\n");
-		has_been_read = 0;
-		return -1;
-	}
-
-	printf("Programming passed.\n");
-	return 0;
-}
-
-/**
- * h2i - converts hex character into a number
- *
- * This function takes a hexadecimal character (e.g. '7' or 'C') and returns
- * the integer equivalent.
- */
-static inline u8 h2i(char p)
-{
-	if ((p >= '0') && (p <= '9'))
-		return p - '0';
-
-	if ((p >= 'A') && (p <= 'F'))
-		return (p - 'A') + 10;
-
-	if ((p >= 'a') && (p <= 'f'))
-		return (p - 'a') + 10;
-
-	return 0;
-}
-
-/**
- * set_date - stores the build date into the EEPROM
- *
- * This function takes a pointer to a string in the format "YYMMDDhhmmss"
- * (2-digit year, 2-digit month, etc), converts it to a 6-byte BCD string,
- * and stores it in the build date field of the EEPROM local copy.
- */
-static void set_date(const char *string)
-{
-	unsigned int i;
-
-	if (strlen(string) != 12) {
-		printf("Usage: mac date YYMMDDhhmmss\n");
-		return;
-	}
-
-	for (i = 0; i < 6; i++)
-		e.date[i] = h2i(string[2 * i]) << 4 | h2i(string[2 * i + 1]);
-
-	update_crc();
-}
-
-/**
- * set_mac_address - stores a MAC address into the EEPROM
- *
- * This function takes a pointer to MAC address string
- * (i.e."XX:XX:XX:XX:XX:XX", where "XX" is a two-digit hex number) and
- * stores it in one of the MAC address fields of the EEPROM local copy.
- */
-static void set_mac_address(unsigned int index, const char *string)
-{
-	char *p = (char *)string;
-	unsigned int i;
-
-	if ((index >= MAX_NUM_PORTS) || !string) {
-		printf("Usage: mac <n> XX:XX:XX:XX:XX:XX\n");
-		return;
-	}
-
-	for (i = 0; *p && (i < 6); i++) {
-		e.mac[index][i] = hextoul(p, &p);
-		if (*p == ':')
-			p++;
-	}
-
-	update_crc();
-}
-
-int do_mac(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
-{
-	char cmd;
-
-	if (argc == 1) {
-		show_eeprom();
-		return 0;
-	}
-
-	cmd = argv[1][0];
-
-	if (cmd == 'r') {
-		read_eeprom();
-		return 0;
-	}
-
-	if (cmd == 'i') {
-		memcpy(e.id, "NXID", sizeof(e.id));
-		e.version = NXID_VERSION;
-		update_crc();
-		return 0;
-	}
-
-	if (!is_valid) {
-		printf("Please read the EEPROM ('r') and/or set the ID ('i') first.\n");
-		return 0;
-	}
-
-	if (argc == 2) {
-		switch (cmd) {
-		case 's':	/* save */
-			prog_eeprom();
-			break;
-		default:
-			return cmd_usage(cmdtp);
-		}
-
-		return 0;
-	}
-
-	/* We know we have at least one parameter  */
-
-	switch (cmd) {
-	case 'n':	/* serial number */
-		memset(e.sn, 0, sizeof(e.sn));
-		strncpy((char *)e.sn, argv[2], sizeof(e.sn) - 1);
-		update_crc();
-		break;
-	case 'e':	/* errata */
-		memset(e.errata, 0, 5);
-		strncpy((char *)e.errata, argv[2], 4);
-		update_crc();
-		break;
-	case 'd':	/* date BCD format YYMMDDhhmmss */
-		set_date(argv[2]);
-		break;
-	case 'p':	/* MAC table size */
-		e.mac_count = hextoul(argv[2], NULL);
-		update_crc();
-		break;
-	case '0' ... '9':	/* "mac 0" through "mac 22" */
-		set_mac_address(dectoul(argv[1], NULL), argv[2]);
-		break;
-	case 'h':	/* help */
-	default:
-		return cmd_usage(cmdtp);
-	}
-
-	return 0;
-}
-
-int mac_read_from_generic_eeprom(const char *envvar, int chip,
-	int address, int mac_bus)
-{
-	int ret;
-	unsigned int bus;
-	unsigned char mac[6];
-	char ethaddr[18];
-
-	bus = i2c_get_bus_num();
-	i2c_set_bus_num(mac_bus);
-
-	ret = i2c_read(chip, address, 1, mac, 6);
-
-	i2c_set_bus_num(bus);
-
-	if (!ret) {
-		sprintf(ethaddr, "%02X:%02X:%02X:%02X:%02X:%02X",
-			mac[0],
-			mac[1],
-			mac[2],
-			mac[3],
-			mac[4],
-			mac[5]);
-
-		printf("MAC: %s\n", ethaddr);
-		env_set(envvar, ethaddr);
-	}
-
-	return ret;
-}
-
-void mac_read_from_fixed_id(void)
-{
-#ifdef CONFIG_SYS_I2C_MAC1_CHIP_ADDR
-	mac_read_from_generic_eeprom("ethaddr", CONFIG_SYS_I2C_MAC1_CHIP_ADDR,
-		CONFIG_SYS_I2C_MAC1_DATA_ADDR, CONFIG_SYS_I2C_MAC1_BUS);
-#endif
-#ifdef CONFIG_SYS_I2C_MAC2_CHIP_ADDR
-	mac_read_from_generic_eeprom("eth1addr", CONFIG_SYS_I2C_MAC2_CHIP_ADDR,
-		CONFIG_SYS_I2C_MAC2_DATA_ADDR, CONFIG_SYS_I2C_MAC2_BUS);
-#endif
-}
-
-/**
- * mac_read_from_eeprom - read the MAC addresses from EEPROM
- *
- * This function reads the MAC addresses from EEPROM and sets the
- * appropriate environment variables for each one read.
- *
- * The environment variables are only set if they haven't been set already.
- * This ensures that any user-saved variables are never overwritten.
- *
- * This function must be called after relocation.
- *
- * For NXID v1 EEPROMs, we support loading and up-converting the older NXID v0
- * format.  In a v0 EEPROM, there are only eight MAC addresses and the CRC is
- * located at a different offset.
- */
-int mac_read_from_eeprom_common(void)
-{
-	unsigned int i;
-	u32 crc, crc_offset = offsetof(struct eeprom, crc);
-	u32 *crcp; /* Pointer to the CRC in the data read from the EEPROM */
-
-	puts("EEPROM: ");
-
-	if (read_eeprom()) {
-		printf("Read failed.\n");
-		return 0;
-	}
-
-	if (!is_valid) {
-		printf("Invalid ID (%02x %02x %02x %02x)\n",
-		       e.id[0], e.id[1], e.id[2], e.id[3]);
-		return 0;
-	}
-
-	crc = crc32(0, (void *)&e, crc_offset);
-	crcp = (void *)&e + crc_offset;
-	if (crc != be32_to_cpu(*crcp)) {
-		printf("CRC mismatch (%08x != %08x)\n", crc,
-			be32_to_cpu(e.crc));
-		return 0;
-	}
-
-	/*
-	 * MAC address #9 in v1 occupies the same position as the CRC in v0.
-	 * Erase it so that it's not mistaken for a MAC address.  We'll
-	 * update the CRC later.
-	 */
-	if (e.version == 0)
-		memset(e.mac[8], 0xff, 6);
-
-	for (i = 0; i < min(e.mac_count, (u8)MAX_NUM_PORTS); i++) {
-		if (memcmp(&e.mac[i], "\0\0\0\0\0\0", 6) &&
-		    memcmp(&e.mac[i], "\xFF\xFF\xFF\xFF\xFF\xFF", 6)) {
-			char ethaddr[18];
-			char enetvar[9];
-
-			sprintf(ethaddr, "%02X:%02X:%02X:%02X:%02X:%02X",
-				e.mac[i][0],
-				e.mac[i][1],
-				e.mac[i][2],
-				e.mac[i][3],
-				e.mac[i][4],
-				e.mac[i][5]);
-			sprintf(enetvar, i ? "eth%daddr" : "ethaddr", i);
-			/* Only initialize environment variables that are blank
-			 * (i.e. have not yet been set)
-			 */
-			if (!env_get(enetvar))
-				env_set(enetvar, ethaddr);
-		}
-	}
-
-	printf("%c%c%c%c v%u\n", e.id[0], e.id[1], e.id[2], e.id[3],
-		be32_to_cpu(e.version));
-
-	return 0;
-}