From 574e76532126fea8ab0ac5fd0595f6fb2935f0dd Mon Sep 17 00:00:00 2001 From: Lorenz Meier Date: Sat, 27 Apr 2013 11:30:41 +0200 Subject: Moved all system commands to the new world --- apps/systemcmds/bl_update/bl_update.c | 215 ---------------------------------- 1 file changed, 215 deletions(-) delete mode 100644 apps/systemcmds/bl_update/bl_update.c (limited to 'apps/systemcmds/bl_update/bl_update.c') diff --git a/apps/systemcmds/bl_update/bl_update.c b/apps/systemcmds/bl_update/bl_update.c deleted file mode 100644 index 45715b791..000000000 --- a/apps/systemcmds/bl_update/bl_update.c +++ /dev/null @@ -1,215 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. 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. Neither the name PX4 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 THE COPYRIGHT HOLDERS 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 - * COPYRIGHT OWNER 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. - * - ****************************************************************************/ - -/** - * @file bl_update.c - * - * STM32F4 bootloader update tool. - */ - -#include - -#include -#include -#include -#include -#include -#include -#include - -#include - -#include "systemlib/systemlib.h" -#include "systemlib/err.h" - -__EXPORT int bl_update_main(int argc, char *argv[]); - -static void setopt(void); - -int -bl_update_main(int argc, char *argv[]) -{ - if (argc != 2) - errx(1, "missing firmware filename or command"); - - if (!strcmp(argv[1], "setopt")) - setopt(); - - int fd = open(argv[1], O_RDONLY); - - if (fd < 0) - err(1, "open %s", argv[1]); - - struct stat s; - - if (stat(argv[1], &s) < 0) - err(1, "stat %s", argv[1]); - - /* sanity-check file size */ - if (s.st_size > 16384) - errx(1, "%s: file too large", argv[1]); - - uint8_t *buf = malloc(s.st_size); - - if (buf == NULL) - errx(1, "failed to allocate %u bytes for firmware buffer", s.st_size); - - if (read(fd, buf, s.st_size) != s.st_size) - err(1, "firmware read error"); - - close(fd); - - uint32_t *hdr = (uint32_t *)buf; - - if ((hdr[0] < 0x20000000) || /* stack not below RAM */ - (hdr[0] > (0x20000000 + (128 * 1024))) || /* stack not above RAM */ - (hdr[1] < 0x08000000) || /* entrypoint not below flash */ - ((hdr[1] - 0x08000000) > 16384)) { /* entrypoint not outside bootloader */ - free(buf); - errx(1, "not a bootloader image"); - } - - warnx("image validated, erasing bootloader..."); - usleep(10000); - - /* prevent other tasks from running while we do this */ - sched_lock(); - - /* unlock the control register */ - volatile uint32_t *keyr = (volatile uint32_t *)0x40023c04; - *keyr = 0x45670123U; - *keyr = 0xcdef89abU; - - volatile uint32_t *sr = (volatile uint32_t *)0x40023c0c; - volatile uint32_t *cr = (volatile uint32_t *)0x40023c10; - volatile uint8_t *base = (volatile uint8_t *)0x08000000; - - /* check the control register */ - if (*cr & 0x80000000) { - warnx("WARNING: flash unlock failed, flash aborted"); - goto flash_end; - } - - /* erase the bootloader sector */ - *cr = 0x2; - *cr = 0x10002; - - /* wait for the operation to complete */ - while (*sr & 0x1000) { - } - - if (*sr & 0xf2) { - warnx("WARNING: erase error 0x%02x", *sr); - goto flash_end; - } - - /* verify the erase */ - for (int i = 0; i < s.st_size; i++) { - if (base[i] != 0xff) { - warnx("WARNING: erase failed at %d - retry update, DO NOT reboot", i); - goto flash_end; - } - } - - warnx("flashing..."); - - /* now program the bootloader - speed is not critical so use x8 mode */ - for (int i = 0; i < s.st_size; i++) { - - /* program a byte */ - *cr = 1; - base[i] = buf[i]; - - /* wait for the operation to complete */ - while (*sr & 0x1000) { - } - - if (*sr & 0xf2) { - warnx("WARNING: program error 0x%02x", *sr); - goto flash_end; - } - } - - /* re-lock the flash control register */ - *cr = 0x80000000; - - warnx("verifying..."); - - /* now run a verify pass */ - for (int i = 0; i < s.st_size; i++) { - if (base[i] != buf[i]) { - warnx("WARNING: verify failed at %u - retry update, DO NOT reboot", i); - goto flash_end; - } - } - - warnx("bootloader update complete"); - -flash_end: - /* unlock the scheduler */ - sched_unlock(); - - free(buf); - exit(0); -} - -static void -setopt(void) -{ - volatile uint32_t *optcr = (volatile uint32_t *)0x40023c14; - - const uint16_t opt_mask = (3 << 2); /* BOR_LEV bitmask */ - const uint16_t opt_bits = (0 << 2); /* BOR = 0, setting for 2.7-3.6V operation */ - - if ((*optcr & opt_mask) == opt_bits) - errx(0, "option bits are already set as required"); - - /* unlock the control register */ - volatile uint32_t *optkeyr = (volatile uint32_t *)0x40023c08; - *optkeyr = 0x08192a3bU; - *optkeyr = 0x4c5d6e7fU; - - if (*optcr & 1) - errx(1, "option control register unlock failed"); - - /* program the new option value */ - *optcr = (*optcr & ~opt_mask) | opt_bits | (1 << 1); - - usleep(1000); - - if ((*optcr & opt_mask) == opt_bits) - errx(0, "option bits set"); - - errx(1, "option bits setting failed; readback 0x%04x", *optcr); - -} \ No newline at end of file -- cgit v1.2.3