2008-10-15 16:39:08 +09:00
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/*
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* (C) Copyright 2008
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* Heiko Schocher, DENX Software Engineering, hs@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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2008-11-21 16:29:40 +09:00
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#if defined(CONFIG_MGCOGE)
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2008-10-15 16:39:08 +09:00
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#include <mpc8260.h>
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2008-11-21 16:29:40 +09:00
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#endif
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2008-10-15 16:39:08 +09:00
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#include <ioports.h>
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#include <malloc.h>
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2008-10-15 16:41:00 +09:00
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#include <hush.h>
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2008-11-21 16:29:40 +09:00
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#include <net.h>
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#include <asm/io.h>
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2008-10-15 16:39:08 +09:00
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#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
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#include <libfdt.h>
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#endif
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2010-02-22 20:13:02 +09:00
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#include "../common/common.h"
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2008-10-15 16:39:08 +09:00
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#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
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#include <i2c.h>
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extern int i2c_soft_read_pin (void);
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2008-10-15 16:41:00 +09:00
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int ivm_calc_crc (unsigned char *buf, int len)
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{
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const unsigned short crc_tab[16] = {
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0x0000, 0xCC01, 0xD801, 0x1400,
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0xF001, 0x3C00, 0x2800, 0xE401,
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0xA001, 0x6C00, 0x7800, 0xB401,
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0x5000, 0x9C01, 0x8801, 0x4400};
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unsigned short crc = 0; /* final result */
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unsigned short r1 = 0; /* temp */
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unsigned char byte = 0; /* input buffer */
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int i;
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/* calculate CRC from array data */
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for (i = 0; i < len; i++) {
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byte = buf[i];
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/* lower 4 bits */
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r1 = crc_tab[crc & 0xF];
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crc = ((crc) >> 4) & 0x0FFF;
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crc = crc ^ r1 ^ crc_tab[byte & 0xF];
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/* upper 4 bits */
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r1 = crc_tab[crc & 0xF];
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crc = (crc >> 4) & 0x0FFF;
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crc = crc ^ r1 ^ crc_tab[(byte >> 4) & 0xF];
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}
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return crc;
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}
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static int ivm_set_value (char *name, char *value)
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{
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char tempbuf[256];
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if (value != NULL) {
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sprintf (tempbuf, "%s=%s", name, value);
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return set_local_var (tempbuf, 0);
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} else {
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unset_local_var (name);
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}
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return 0;
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}
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static int ivm_get_value (unsigned char *buf, int len, char *name, int off,
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int check)
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{
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unsigned short val;
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unsigned char valbuf[30];
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if ((buf[off + 0] != buf[off + 2]) &&
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(buf[off + 2] != buf[off + 4])) {
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printf ("%s Error corrupted %s\n", __FUNCTION__, name);
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val = -1;
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} else {
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val = buf[off + 0] + (buf[off + 1] << 8);
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if ((val == 0) && (check == 1))
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val = -1;
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}
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sprintf ((char *)valbuf, "%x", val);
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ivm_set_value (name, (char *)valbuf);
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return val;
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}
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#define INVENTORYBLOCKSIZE 0x100
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#define INVENTORYDATAADDRESS 0x21
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#define INVENTORYDATASIZE (INVENTORYBLOCKSIZE - INVENTORYDATAADDRESS - 3)
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#define IVM_POS_SHORT_TEXT 0
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#define IVM_POS_MANU_ID 1
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#define IVM_POS_MANU_SERIAL 2
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#define IVM_POS_PART_NUMBER 3
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#define IVM_POS_BUILD_STATE 4
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#define IVM_POS_SUPPLIER_PART_NUMBER 5
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#define IVM_POS_DELIVERY_DATE 6
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#define IVM_POS_SUPPLIER_BUILD_STATE 7
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#define IVM_POS_CUSTOMER_ID 8
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#define IVM_POS_CUSTOMER_PROD_ID 9
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#define IVM_POS_HISTORY 10
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#define IVM_POS_SYMBOL_ONLY 11
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static char convert_char (char c)
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{
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return (c < ' ' || c > '~') ? '.' : c;
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}
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static int ivm_findinventorystring (int type,
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unsigned char* const string,
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unsigned long maxlen,
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unsigned char *buf)
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{
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int xcode = 0;
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unsigned long cr = 0;
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unsigned long addr = INVENTORYDATAADDRESS;
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unsigned long size = 0;
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unsigned long nr = type;
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int stop = 0; /* stop on semicolon */
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memset(string, '\0', maxlen);
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switch (type) {
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case IVM_POS_SYMBOL_ONLY:
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nr = 0;
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stop= 1;
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break;
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default:
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nr = type;
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stop = 0;
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}
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/* Look for the requested number of CR. */
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while ((cr != nr) && (addr < INVENTORYDATASIZE)) {
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if ((buf[addr] == '\r')) {
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cr++;
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}
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addr++;
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}
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/* the expected number of CR was found until the end of the IVM
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* content --> fill string */
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if (addr < INVENTORYDATASIZE) {
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/* Copy the IVM string in the corresponding string */
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for (; (buf[addr] != '\r') &&
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((buf[addr] != ';') || (!stop)) &&
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(size < (maxlen - 1) &&
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(addr < INVENTORYDATASIZE)); addr++)
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{
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size += sprintf((char *)string + size, "%c",
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convert_char (buf[addr]));
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}
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/* copy phase is done: check if everything is ok. If not,
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* the inventory data is most probably corrupted: tell
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* the world there is a problem! */
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if (addr == INVENTORYDATASIZE) {
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xcode = -1;
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printf ("Error end of string not found\n");
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} else if ((size >= (maxlen - 1)) &&
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(buf[addr] != '\r')) {
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xcode = -1;
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printf ("string too long till next CR\n");
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}
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} else {
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/* some CR are missing...
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* the inventory data is most probably corrupted */
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xcode = -1;
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printf ("not enough cr found\n");
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}
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return xcode;
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}
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#define GET_STRING(name, which, len) \
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if (ivm_findinventorystring (which, valbuf, len, buf) == 0) { \
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ivm_set_value (name, (char *)valbuf); \
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}
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static int ivm_check_crc (unsigned char *buf, int block)
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{
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unsigned long crc;
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unsigned long crceeprom;
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2008-10-16 22:01:15 +09:00
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crc = ivm_calc_crc (buf, CONFIG_SYS_IVM_EEPROM_PAGE_LEN - 2);
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crceeprom = (buf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN - 1] + \
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buf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN - 2] * 256);
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2008-10-15 16:41:00 +09:00
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if (crc != crceeprom) {
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2009-07-09 19:04:18 +09:00
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if (block == 0)
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printf ("Error CRC Block: %d EEprom: calculated: \
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%lx EEprom: %lx\n", block, crc, crceeprom);
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2008-10-15 16:41:00 +09:00
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return -1;
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}
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return 0;
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}
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static int ivm_analyze_block2 (unsigned char *buf, int len)
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{
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2008-10-16 22:01:15 +09:00
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unsigned char valbuf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN];
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2008-10-15 16:41:00 +09:00
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unsigned long count;
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/* IVM_MacAddress */
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sprintf ((char *)valbuf, "%02X:%02X:%02X:%02X:%02X:%02X",
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buf[1],
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buf[2],
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buf[3],
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buf[4],
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buf[5],
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buf[6]);
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ivm_set_value ("IVM_MacAddress", (char *)valbuf);
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if (getenv ("ethaddr") == NULL)
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setenv ((char *)"ethaddr", (char *)valbuf);
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/* IVM_MacCount */
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count = (buf[10] << 24) +
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(buf[11] << 16) +
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(buf[12] << 8) +
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buf[13];
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if (count == 0xffffffff)
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count = 1;
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sprintf ((char *)valbuf, "%lx", count);
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ivm_set_value ("IVM_MacCount", (char *)valbuf);
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return 0;
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}
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int ivm_analyze_eeprom (unsigned char *buf, int len)
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{
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unsigned short val;
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2008-10-16 22:01:15 +09:00
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unsigned char valbuf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN];
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2008-10-15 16:41:00 +09:00
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unsigned char *tmp;
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if (ivm_check_crc (buf, 0) != 0)
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return -1;
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2008-10-16 22:01:15 +09:00
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ivm_get_value (buf, CONFIG_SYS_IVM_EEPROM_PAGE_LEN, "IVM_BoardId", 0, 1);
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val = ivm_get_value (buf, CONFIG_SYS_IVM_EEPROM_PAGE_LEN, "IVM_HWKey", 6, 1);
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2008-10-15 16:41:00 +09:00
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if (val != 0xffff) {
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sprintf ((char *)valbuf, "%x", ((val /100) % 10));
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ivm_set_value ("IVM_HWVariant", (char *)valbuf);
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sprintf ((char *)valbuf, "%x", (val % 100));
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ivm_set_value ("IVM_HWVersion", (char *)valbuf);
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}
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2008-10-16 22:01:15 +09:00
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ivm_get_value (buf, CONFIG_SYS_IVM_EEPROM_PAGE_LEN, "IVM_Functions", 12, 0);
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2008-10-15 16:41:00 +09:00
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GET_STRING("IVM_Symbol", IVM_POS_SYMBOL_ONLY, 8)
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GET_STRING("IVM_DeviceName", IVM_POS_SHORT_TEXT, 64)
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tmp = (unsigned char *) getenv("IVM_DeviceName");
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if (tmp) {
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int len = strlen ((char *)tmp);
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int i = 0;
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while (i < len) {
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if (tmp[i] == ';') {
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ivm_set_value ("IVM_ShortText", (char *)&tmp[i + 1]);
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break;
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}
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i++;
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}
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if (i >= len)
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ivm_set_value ("IVM_ShortText", NULL);
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} else {
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ivm_set_value ("IVM_ShortText", NULL);
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}
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GET_STRING("IVM_ManufacturerID", IVM_POS_MANU_ID, 32)
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GET_STRING("IVM_ManufacturerSerialNumber", IVM_POS_MANU_SERIAL, 20)
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GET_STRING("IVM_ManufacturerPartNumber", IVM_POS_PART_NUMBER, 32)
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GET_STRING("IVM_ManufacturerBuildState", IVM_POS_BUILD_STATE, 32)
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GET_STRING("IVM_SupplierPartNumber", IVM_POS_SUPPLIER_PART_NUMBER, 32)
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GET_STRING("IVM_DelieveryDate", IVM_POS_DELIVERY_DATE, 32)
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GET_STRING("IVM_SupplierBuildState", IVM_POS_SUPPLIER_BUILD_STATE, 32)
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GET_STRING("IVM_CustomerID", IVM_POS_CUSTOMER_ID, 32)
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GET_STRING("IVM_CustomerProductID", IVM_POS_CUSTOMER_PROD_ID, 32)
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2008-10-16 22:01:15 +09:00
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if (ivm_check_crc (&buf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN * 2], 2) != 0)
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2009-07-09 19:04:18 +09:00
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return 0;
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2008-10-16 22:01:15 +09:00
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ivm_analyze_block2 (&buf[CONFIG_SYS_IVM_EEPROM_PAGE_LEN * 2], CONFIG_SYS_IVM_EEPROM_PAGE_LEN);
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2008-10-15 16:41:00 +09:00
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return 0;
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}
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int ivm_read_eeprom (void)
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{
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2009-03-12 15:37:34 +09:00
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#if defined(CONFIG_I2C_MUX)
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2008-10-15 16:41:00 +09:00
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I2C_MUX_DEVICE *dev = NULL;
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2009-03-12 15:37:34 +09:00
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#endif
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2008-10-16 22:01:15 +09:00
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uchar i2c_buffer[CONFIG_SYS_IVM_EEPROM_MAX_LEN];
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2008-10-15 16:41:00 +09:00
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uchar *buf;
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2008-10-16 22:01:15 +09:00
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unsigned dev_addr = CONFIG_SYS_IVM_EEPROM_ADR;
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2008-10-15 16:41:00 +09:00
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2009-03-12 15:37:34 +09:00
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#if defined(CONFIG_I2C_MUX)
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2008-10-15 16:41:00 +09:00
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/* First init the Bus, select the Bus */
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2008-10-16 22:01:15 +09:00
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#if defined(CONFIG_SYS_I2C_IVM_BUS)
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dev = i2c_mux_ident_muxstring ((uchar *)CONFIG_SYS_I2C_IVM_BUS);
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2008-10-15 16:41:00 +09:00
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#else
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buf = (unsigned char *) getenv ("EEprom_ivm");
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if (buf != NULL)
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dev = i2c_mux_ident_muxstring (buf);
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#endif
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if (dev == NULL) {
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printf ("Error couldnt add Bus for IVM\n");
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return -1;
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}
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i2c_set_bus_num (dev->busid);
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2009-03-12 15:37:34 +09:00
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#endif
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2008-10-15 16:41:00 +09:00
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buf = (unsigned char *) getenv ("EEprom_ivm_addr");
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if (buf != NULL)
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dev_addr = simple_strtoul ((char *)buf, NULL, 16);
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2009-02-24 19:30:34 +09:00
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if (i2c_read(dev_addr, 0, 1, i2c_buffer, CONFIG_SYS_IVM_EEPROM_MAX_LEN) != 0) {
|
2008-10-15 16:41:00 +09:00
|
|
|
printf ("Error reading EEprom\n");
|
|
|
|
return -2;
|
|
|
|
}
|
|
|
|
|
2008-10-16 22:01:15 +09:00
|
|
|
return ivm_analyze_eeprom (i2c_buffer, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
|
2008-10-15 16:41:00 +09:00
|
|
|
}
|
|
|
|
|
2008-10-16 22:01:15 +09:00
|
|
|
#if defined(CONFIG_SYS_I2C_INIT_BOARD)
|
2008-10-15 16:39:08 +09:00
|
|
|
#define DELAY_ABORT_SEQ 62
|
2008-10-16 22:01:15 +09:00
|
|
|
#define DELAY_HALF_PERIOD (500 / (CONFIG_SYS_I2C_SPEED / 1000))
|
2008-10-15 16:39:08 +09:00
|
|
|
|
|
|
|
#if defined(CONFIG_MGCOGE)
|
|
|
|
#define SDA_MASK 0x00010000
|
|
|
|
#define SCL_MASK 0x00020000
|
|
|
|
static void set_pin (int state, unsigned long mask)
|
|
|
|
{
|
2008-10-16 22:01:15 +09:00
|
|
|
volatile ioport_t *iop = ioport_addr ((immap_t *)CONFIG_SYS_IMMR, 3);
|
2008-10-15 16:39:08 +09:00
|
|
|
|
|
|
|
if (state)
|
|
|
|
iop->pdat |= (mask);
|
|
|
|
else
|
|
|
|
iop->pdat &= ~(mask);
|
|
|
|
|
|
|
|
iop->pdir |= (mask);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int get_pin (unsigned long mask)
|
|
|
|
{
|
2008-10-16 22:01:15 +09:00
|
|
|
volatile ioport_t *iop = ioport_addr ((immap_t *)CONFIG_SYS_IMMR, 3);
|
2008-10-15 16:39:08 +09:00
|
|
|
|
|
|
|
iop->pdir &= ~(mask);
|
|
|
|
return (0 != (iop->pdat & (mask)));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void set_sda (int state)
|
|
|
|
{
|
|
|
|
set_pin (state, SDA_MASK);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void set_scl (int state)
|
|
|
|
{
|
|
|
|
set_pin (state, SCL_MASK);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int get_sda (void)
|
|
|
|
{
|
|
|
|
return get_pin (SDA_MASK);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int get_scl (void)
|
|
|
|
{
|
|
|
|
return get_pin (SCL_MASK);
|
|
|
|
}
|
|
|
|
|
|
|
|
#if defined(CONFIG_HARD_I2C)
|
|
|
|
static void setports (int gpio)
|
|
|
|
{
|
2008-10-16 22:01:15 +09:00
|
|
|
volatile ioport_t *iop = ioport_addr ((immap_t *)CONFIG_SYS_IMMR, 3);
|
2008-10-15 16:39:08 +09:00
|
|
|
|
|
|
|
if (gpio) {
|
|
|
|
iop->ppar &= ~(SDA_MASK | SCL_MASK);
|
|
|
|
iop->podr &= ~(SDA_MASK | SCL_MASK);
|
|
|
|
} else {
|
|
|
|
iop->ppar |= (SDA_MASK | SCL_MASK);
|
|
|
|
iop->pdir &= ~(SDA_MASK | SCL_MASK);
|
|
|
|
iop->podr |= (SDA_MASK | SCL_MASK);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
2009-03-12 15:37:28 +09:00
|
|
|
#if defined(CONFIG_KM8XX)
|
2008-10-15 16:39:08 +09:00
|
|
|
static void set_sda (int state)
|
|
|
|
{
|
|
|
|
I2C_SDA(state);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void set_scl (int state)
|
|
|
|
{
|
|
|
|
I2C_SCL(state);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int get_sda (void)
|
|
|
|
{
|
2008-10-17 20:52:51 +09:00
|
|
|
return I2C_READ;
|
2008-10-15 16:39:08 +09:00
|
|
|
}
|
|
|
|
|
|
|
|
static int get_scl (void)
|
|
|
|
{
|
|
|
|
int val;
|
|
|
|
|
|
|
|
*(unsigned short *)(I2C_BASE_DIR) &= ~SCL_CONF;
|
|
|
|
udelay (1);
|
|
|
|
val = *(unsigned char *)(I2C_BASE_PORT);
|
|
|
|
|
|
|
|
return ((val & SCL_BIT) == SCL_BIT);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2009-07-09 19:04:26 +09:00
|
|
|
#if !defined(CONFIG_KMETER1)
|
2008-10-15 16:39:08 +09:00
|
|
|
static void writeStartSeq (void)
|
|
|
|
{
|
|
|
|
set_sda (1);
|
|
|
|
udelay (DELAY_HALF_PERIOD);
|
|
|
|
set_scl (1);
|
|
|
|
udelay (DELAY_HALF_PERIOD);
|
|
|
|
set_sda (0);
|
|
|
|
udelay (DELAY_HALF_PERIOD);
|
|
|
|
set_scl (0);
|
|
|
|
udelay (DELAY_HALF_PERIOD);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* I2C is a synchronous protocol and resets of the processor in the middle
|
|
|
|
of an access can block the I2C Bus until a powerdown of the full unit is
|
|
|
|
done. This function toggles the SCL until the SCL and SCA line are
|
|
|
|
released, but max. 16 times, after this a I2C start-sequence is sent.
|
|
|
|
This I2C Deblocking mechanism was developed by Keymile in association
|
|
|
|
with Anatech and Atmel in 1998.
|
|
|
|
*/
|
|
|
|
static int i2c_make_abort (void)
|
|
|
|
{
|
|
|
|
int scl_state = 0;
|
|
|
|
int sda_state = 0;
|
|
|
|
int i = 0;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
if (!get_sda ()) {
|
|
|
|
ret = -1;
|
|
|
|
while (i < 16) {
|
|
|
|
i++;
|
|
|
|
set_scl (0);
|
|
|
|
udelay (DELAY_ABORT_SEQ);
|
|
|
|
set_scl (1);
|
|
|
|
udelay (DELAY_ABORT_SEQ);
|
|
|
|
scl_state = get_scl ();
|
|
|
|
sda_state = get_sda ();
|
|
|
|
if (scl_state && sda_state) {
|
|
|
|
ret = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (ret == 0) {
|
|
|
|
for (i =0; i < 5; i++) {
|
|
|
|
writeStartSeq ();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
get_sda ();
|
|
|
|
return ret;
|
|
|
|
}
|
2009-07-09 19:04:26 +09:00
|
|
|
#endif
|
2008-10-15 16:39:08 +09:00
|
|
|
|
|
|
|
/**
|
|
|
|
* i2c_init_board - reset i2c bus. When the board is powercycled during a
|
|
|
|
* bus transfer it might hang; for details see doc/I2C_Edge_Conditions.
|
|
|
|
*/
|
|
|
|
void i2c_init_board(void)
|
|
|
|
{
|
2009-07-09 19:04:26 +09:00
|
|
|
#if defined(CONFIG_KMETER1)
|
|
|
|
struct fsl_i2c *dev;
|
|
|
|
dev = (struct fsl_i2c *) (CONFIG_SYS_IMMR + CONFIG_SYS_I2C_OFFSET);
|
|
|
|
uchar dummy;
|
|
|
|
|
|
|
|
out_8 (&dev->cr, (I2C_CR_MSTA));
|
|
|
|
out_8 (&dev->cr, (I2C_CR_MEN | I2C_CR_MSTA));
|
|
|
|
dummy = in_8(&dev->dr);
|
|
|
|
dummy = in_8(&dev->dr);
|
|
|
|
if (dummy != 0xff) {
|
|
|
|
dummy = in_8(&dev->dr);
|
|
|
|
}
|
|
|
|
out_8 (&dev->cr, (I2C_CR_MEN));
|
|
|
|
out_8 (&dev->cr, 0x00);
|
|
|
|
out_8 (&dev->cr, (I2C_CR_MEN));
|
|
|
|
|
|
|
|
#else
|
2011-03-14 23:31:19 +09:00
|
|
|
#if defined(CONFIG_HARD_I2C) && !defined(MACH_TYPE_KM_KIRKWOOD)
|
2008-10-16 22:01:15 +09:00
|
|
|
volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR ;
|
2008-10-15 16:39:08 +09:00
|
|
|
volatile i2c8260_t *i2c = (i2c8260_t *)&immap->im_i2c;
|
|
|
|
|
|
|
|
/* disable I2C controller first, otherwhise it thinks we want to */
|
|
|
|
/* talk to the slave port... */
|
|
|
|
i2c->i2c_i2mod &= ~0x01;
|
|
|
|
|
|
|
|
/* Set the PortPins to GPIO */
|
|
|
|
setports (1);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Now run the AbortSequence() */
|
|
|
|
i2c_make_abort ();
|
|
|
|
|
|
|
|
#if defined(CONFIG_HARD_I2C)
|
|
|
|
/* Set the PortPins back to use for I2C */
|
|
|
|
setports (0);
|
|
|
|
#endif
|
2009-07-09 19:04:26 +09:00
|
|
|
#endif
|
2008-10-15 16:39:08 +09:00
|
|
|
}
|
|
|
|
#endif
|
2008-11-21 16:29:40 +09:00
|
|
|
#endif
|
2008-10-17 23:11:52 +09:00
|
|
|
|
|
|
|
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
|
|
|
|
int fdt_set_node_and_value (void *blob,
|
|
|
|
char *nodename,
|
|
|
|
char *regname,
|
|
|
|
void *var,
|
|
|
|
int size)
|
|
|
|
{
|
|
|
|
int ret = 0;
|
|
|
|
int nodeoffset = 0;
|
|
|
|
|
|
|
|
nodeoffset = fdt_path_offset (blob, nodename);
|
|
|
|
if (nodeoffset >= 0) {
|
|
|
|
ret = fdt_setprop (blob, nodeoffset, regname, var,
|
|
|
|
size);
|
|
|
|
if (ret < 0)
|
|
|
|
printf("ft_blob_update(): cannot set %s/%s "
|
|
|
|
"property err:%s\n", nodename, regname,
|
|
|
|
fdt_strerror (ret));
|
|
|
|
} else {
|
|
|
|
printf("ft_blob_update(): cannot find %s node "
|
|
|
|
"err:%s\n", nodename, fdt_strerror (nodeoffset));
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
2009-07-09 19:04:18 +09:00
|
|
|
int fdt_get_node_and_value (void *blob,
|
|
|
|
char *nodename,
|
|
|
|
char *propname,
|
|
|
|
void **var)
|
|
|
|
{
|
|
|
|
int len;
|
|
|
|
int nodeoffset = 0;
|
|
|
|
|
|
|
|
nodeoffset = fdt_path_offset (blob, nodename);
|
|
|
|
if (nodeoffset >= 0) {
|
|
|
|
*var = (void *)fdt_getprop (blob, nodeoffset, propname, &len);
|
|
|
|
if (len == 0) {
|
|
|
|
/* no value */
|
|
|
|
printf ("%s no value\n", __FUNCTION__);
|
|
|
|
return -1;
|
|
|
|
} else if (len > 0) {
|
|
|
|
return len;
|
|
|
|
} else {
|
|
|
|
printf ("libfdt fdt_getprop(): %s\n",
|
|
|
|
fdt_strerror(len));
|
|
|
|
return -2;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
printf("%s: cannot find %s node err:%s\n", __FUNCTION__,
|
|
|
|
nodename, fdt_strerror (nodeoffset));
|
|
|
|
return -3;
|
|
|
|
}
|
|
|
|
}
|
2008-10-17 23:11:52 +09:00
|
|
|
#endif
|
2008-11-21 16:29:40 +09:00
|
|
|
|
2011-03-14 23:31:19 +09:00
|
|
|
#if !defined(MACH_TYPE_KM_KIRKWOOD)
|
2008-11-21 16:29:40 +09:00
|
|
|
int ethernet_present (void)
|
|
|
|
{
|
|
|
|
return (in_8((u8 *)CONFIG_SYS_PIGGY_BASE + CONFIG_SYS_SLOT_ID_OFF) & 0x80);
|
|
|
|
}
|
2010-02-22 20:13:02 +09:00
|
|
|
#endif
|
2008-11-21 16:29:40 +09:00
|
|
|
|
|
|
|
int board_eth_init (bd_t *bis)
|
|
|
|
{
|
|
|
|
#ifdef CONFIG_KEYMILE_HDLC_ENET
|
|
|
|
(void)keymile_hdlc_enet_initialize (bis);
|
|
|
|
#endif
|
|
|
|
if (ethernet_present ()) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|