11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * arch/mips/pmc-sierra/yosemite/atmel_read_eeprom.c 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2003 PMC-Sierra Inc. 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Author: Manish Lachwani (lachwani@pmc-sierra.com) 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org) 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify it 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * under the terms of the GNU General Public License as published by the 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Free Software Foundation; either version 2 of the License, or (at your 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * option) any later version. 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * You should have received a copy of the GNU General Public License along 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * with this program; if not, write to the Free Software Foundation, Inc., 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 675 Mass Ave, Cambridge, MA 02139, USA. 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3042a3b4f25af8f8d77feddf27f839fa0628dbff1aRalf Baechle * Header file for atmel_read_eeprom.c 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/types.h> 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pci.h> 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/pci.h> 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/termios.h> 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/ioctls.h> 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioctl.h> 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fcntl.h> 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DEFAULT_PORT "/dev/ttyS0" /* Port to open */ 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TXX 0 /* Dummy loop for spinning */ 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4842a3b4f25af8f8d77feddf27f839fa0628dbff1aRalf Baechle#define BLOCK_SEL 0x00 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SLAVE_ADDR 0xa0 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define READ_BIT 0x01 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define WRITE_BIT 0x00 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define R_HEADER SLAVE_ADDR + BLOCK_SEL + READ_BIT 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define W_HEADER SLAVE_ADDR + BLOCK_SEL + WRITE_BIT 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Clock, Voltages and Data 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define vcc_off (ioctl(fd, TIOCSBRK, 0)) 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define vcc_on (ioctl(fd, TIOCCBRK, 0)) 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define sda_hi (ioctl(fd, TIOCMBIS, &dtr)) 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define sda_lo (ioctl(fd, TIOCMBIC, &dtr)) 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define scl_lo (ioctl(fd, TIOCMBIC, &rts)) 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define scl_hi (ioctl(fd, TIOCMBIS, &rts)) 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char rts = TIOCM_RTS; 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char dtr = TIOCM_DTR; 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint fd; 68