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| version 1.1, 2011/06/20 12:37:07 | version 1.1.2.1, 2011/06/20 12:37:07 |
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| /************************************************************************* | |
| * (C) 2011 AITNET - Sofia/Bulgaria - <office@aitbg.com> | |
| * by Michael Pounov <misho@aitbg.com> | |
| * | |
| * $Author$ | |
| * $Id$ | |
| * | |
| ************************************************************************* | |
| The ELWIX and AITNET software is distributed under the following | |
| terms: | |
| All of the documentation and software included in the ELWIX and AITNET | |
| Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> | |
| Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 | |
| by Michael Pounov <misho@elwix.org>. All rights reserved. | |
| Redistribution and use in source and binary forms, with or without | |
| modification, are permitted provided that the following conditions | |
| are met: | |
| 1. Redistributions of source code must retain the above copyright | |
| notice, this list of conditions and the following disclaimer. | |
| 2. Redistributions in binary form must reproduce the above copyright | |
| notice, this list of conditions and the following disclaimer in the | |
| documentation and/or other materials provided with the distribution. | |
| 3. All advertising materials mentioning features or use of this software | |
| must display the following acknowledgement: | |
| This product includes software developed by Michael Pounov <misho@elwix.org> | |
| ELWIX - Embedded LightWeight unIX and its contributors. | |
| 4. Neither the name of AITNET nor the names of its contributors | |
| may be used to endorse or promote products derived from this software | |
| without specific prior written permission. | |
| THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND | |
| ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| SUCH DAMAGE. | |
| */ | |
| #include "global.h" | |
| int Verbose; | |
| extern char compiled[], compiledby[], compilehost[]; | |
| static void | |
| Usage() | |
| { | |
| printf( "-= CFI =- Flash interface managment tool\n" | |
| "=== %s === %s@%s ===\n\n" | |
| " Syntax: cfi [options] <fact|oem|plr> [arg]\n" | |
| "\n" | |
| "\t-v\t\tVerbose ...\n" | |
| "\t-w\t\tWrite operation for oem or plr ...\n" | |
| "\t-f <dev>\t\tCFI device like [default=/dev/cfi0]...\n" | |
| "\n", compiled, compiledby, compilehost); | |
| } | |
| static uint64_t | |
| getfactorypr(int fd) | |
| { | |
| uint64_t v; | |
| if (ioctl(fd, CFIOCGFACTORYPR, &v) < 0) | |
| printf("Error:: ioctl(CFIOCGFACTORYPR) #%d - %s\n", errno, strerror(errno)); | |
| return v; | |
| } | |
| static uint64_t | |
| getoempr(int fd) | |
| { | |
| uint64_t v; | |
| if (ioctl(fd, CFIOCGOEMPR, &v) < 0) | |
| printf("Error:: ioctl(CFIOCGOEMPR) #%d - %s\n", errno, strerror(errno)); | |
| return v; | |
| } | |
| static void | |
| setoempr(int fd, uint64_t v) | |
| { | |
| if (ioctl(fd, CFIOCSOEMPR, &v) < 0) | |
| printf("Error:: ioctl(CFIOCSOEMPR) #%d - %s\n", errno, strerror(errno)); | |
| } | |
| static uint32_t | |
| getplr(int fd) | |
| { | |
| uint32_t plr; | |
| if (ioctl(fd, CFIOCGPLR, &plr) < 0) | |
| printf("Error:: ioctl(CFIOCGPLR) #%d - %s\n", errno, strerror(errno)); | |
| return plr; | |
| } | |
| static void | |
| setplr(int fd) | |
| { | |
| if (ioctl(fd, CFIOCSPLR, 0) < 0) | |
| printf("Error:: ioctl(CFIOCPLR) #%d - %s\n", errno, strerror(errno)); | |
| } | |
| int | |
| main(int argc, char **argv) | |
| { | |
| char ch, szDev[MAXPATHLEN] = "/dev/cfi0"; | |
| int d, mode = O_RDONLY; | |
| while ((ch = getopt(argc, argv, "vhwf:")) != -1) | |
| switch (ch) { | |
| case 'f': | |
| strlcpy(szDev, optarg, sizeof szDev); | |
| break; | |
| case 'w': | |
| mode = O_WRONLY; | |
| break; | |
| case 'v': | |
| Verbose++; | |
| break; | |
| case 'h': | |
| default: | |
| Usage(); | |
| return 1; | |
| } | |
| argc -= optind; | |
| argv += optind; | |
| if (!argc || !*argv) { | |
| Usage(); | |
| return 1; | |
| } | |
| d = open(szDev, mode); | |
| if (d < 0) { | |
| printf("Error:: open device %s #%d - %s\n", szDev, errno, strerror(errno)); | |
| return 2; | |
| } | |
| if (!strcasecmp(*argv, "fact")) { | |
| printf("0x%llx\n", (unsigned long long) getfactorypr(d)); | |
| } else if (!strcasecmp(*argv, "oem")) { | |
| if (mode == O_WRONLY && argv[1]) | |
| setoempr(d, (uint64_t) strtoull(argv[1], NULL, 0)); | |
| else | |
| printf("0x%llx\n", (unsigned long long) getoempr(d)); | |
| } else if (!strcasecmp(*argv, "plr")) { | |
| if (mode == O_WRONLY /*&& argv[1]*/) | |
| setplr(d); | |
| else | |
| printf("0x%x\n", getplr(d)); | |
| } else | |
| Usage(); | |
| close(d); | |
| return 0; | |
| } |