diff options
Diffstat (limited to 'board/trab/auto_update.c')
| -rw-r--r-- | board/trab/auto_update.c | 676 |
1 files changed, 0 insertions, 676 deletions
diff --git a/board/trab/auto_update.c b/board/trab/auto_update.c deleted file mode 100644 index bcb850526..000000000 --- a/board/trab/auto_update.c +++ /dev/null @@ -1,676 +0,0 @@ -/* - * (C) Copyright 2003 - * Gary Jennejohn, DENX Software Engineering, garyj@denx.de. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <command.h> -#include <malloc.h> -#include <image.h> -#include <asm/byteorder.h> -#include <usb.h> - -#ifdef CONFIG_SYS_HUSH_PARSER -#include <hush.h> -#endif - -#ifdef CONFIG_AUTO_UPDATE - -#ifndef CONFIG_USB_OHCI_NEW -#error "must define CONFIG_USB_OHCI" -#endif - -#ifndef CONFIG_USB_STORAGE -#error "must define CONFIG_USB_STORAGE" -#endif - -#ifndef CONFIG_SYS_HUSH_PARSER -#error "must define CONFIG_SYS_HUSH_PARSER" -#endif - -#if !defined(CONFIG_CMD_FAT) -#error "must define CONFIG_CMD_FAT" -#endif - -/* - * Check whether a USB memory stick is plugged in. - * If one is found: - * 1) if prepare.img ist found load it into memory. If it is - * valid then run it. - * 2) if preinst.img is found load it into memory. If it is - * valid then run it. Update the EEPROM. - * 3) if firmw_01.img is found load it into memory. If it is valid, - * burn it into FLASH and update the EEPROM. - * 4) if kernl_01.img is found load it into memory. If it is valid, - * burn it into FLASH and update the EEPROM. - * 5) if app.img is found load it into memory. If it is valid, - * burn it into FLASH and update the EEPROM. - * 6) if disk.img is found load it into memory. If it is valid, - * burn it into FLASH and update the EEPROM. - * 7) if postinst.img is found load it into memory. If it is - * valid then run it. Update the EEPROM. - */ - -#undef AU_DEBUG - -#undef debug -#ifdef AU_DEBUG -#define debug(fmt,args...) printf (fmt ,##args) -#else -#define debug(fmt,args...) -#endif /* AU_DEBUG */ - -/* possible names of files on the USB stick. */ -#define AU_PREPARE "prepare.img" -#define AU_PREINST "preinst.img" -#define AU_FIRMWARE "firmw_01.img" -#define AU_KERNEL "kernl_01.img" -#define AU_APP "app.img" -#define AU_DISK "disk.img" -#define AU_POSTINST "postinst.img" - -struct flash_layout -{ - long start; - long end; -}; - -/* layout of the FLASH. ST = start address, ND = end address. */ -#ifndef CONFIG_FLASH_8MB /* 16 MB Flash, 32 MB RAM */ -#define AU_FL_FIRMWARE_ST 0x00000000 -#define AU_FL_FIRMWARE_ND 0x0009FFFF -#define AU_FL_VFD_ST 0x000A0000 -#define AU_FL_VFD_ND 0x000BFFFF -#define AU_FL_KERNEL_ST 0x000C0000 -#define AU_FL_KERNEL_ND 0x001BFFFF -#define AU_FL_APP_ST 0x001C0000 -#define AU_FL_APP_ND 0x005BFFFF -#define AU_FL_DISK_ST 0x005C0000 -#define AU_FL_DISK_ND 0x00FFFFFF -#else /* 8 MB Flash, 32 MB RAM */ -#define AU_FL_FIRMWARE_ST 0x00000000 -#define AU_FL_FIRMWARE_ND 0x0005FFFF -#define AU_FL_KERNEL_ST 0x00060000 -#define AU_FL_KERNEL_ND 0x0013FFFF -#define AU_FL_APP_ST 0x00140000 -#define AU_FL_APP_ND 0x0067FFFF -#define AU_FL_DISK_ST 0x00680000 -#define AU_FL_DISK_ND 0x007DFFFF -#define AU_FL_VFD_ST 0x007E0000 -#define AU_FL_VFD_ND 0x007FFFFF -#endif /* CONFIG_FLASH_8MB */ - -/* a structure with the offsets to values in the EEPROM */ -struct eeprom_layout -{ - int time; - int size; - int dcrc; -}; - -/* layout of the EEPROM - offset from the start. All entries are 32 bit. */ -#define AU_EEPROM_TIME_PREINST 64 -#define AU_EEPROM_SIZE_PREINST 68 -#define AU_EEPROM_DCRC_PREINST 72 -#define AU_EEPROM_TIME_FIRMWARE 76 -#define AU_EEPROM_SIZE_FIRMWARE 80 -#define AU_EEPROM_DCRC_FIRMWARE 84 -#define AU_EEPROM_TIME_KERNEL 88 -#define AU_EEPROM_SIZE_KERNEL 92 -#define AU_EEPROM_DCRC_KERNEL 96 -#define AU_EEPROM_TIME_APP 100 -#define AU_EEPROM_SIZE_APP 104 -#define AU_EEPROM_DCRC_APP 108 -#define AU_EEPROM_TIME_DISK 112 -#define AU_EEPROM_SIZE_DISK 116 -#define AU_EEPROM_DCRC_DISK 120 -#define AU_EEPROM_TIME_POSTINST 124 -#define AU_EEPROM_SIZE_POSTINST 128 -#define AU_EEPROM_DCRC_POSTINST 132 - -static int au_usb_stor_curr_dev; /* current device */ - -/* index of each file in the following arrays */ -#define IDX_PREPARE 0 -#define IDX_PREINST 1 -#define IDX_FIRMWARE 2 -#define IDX_KERNEL 3 -#define IDX_APP 4 -#define IDX_DISK 5 -#define IDX_POSTINST 6 -/* max. number of files which could interest us */ -#define AU_MAXFILES 7 -/* pointers to file names */ -char *aufile[AU_MAXFILES]; -/* sizes of flash areas for each file */ -long ausize[AU_MAXFILES]; -/* offsets into the EEEPROM */ -struct eeprom_layout auee_off[AU_MAXFILES] = { \ - {0}, \ - {AU_EEPROM_TIME_PREINST, AU_EEPROM_SIZE_PREINST, AU_EEPROM_DCRC_PREINST,}, \ - {AU_EEPROM_TIME_FIRMWARE, AU_EEPROM_SIZE_FIRMWARE, AU_EEPROM_DCRC_FIRMWARE,}, \ - {AU_EEPROM_TIME_KERNEL, AU_EEPROM_SIZE_KERNEL, AU_EEPROM_DCRC_KERNEL,}, \ - {AU_EEPROM_TIME_APP, AU_EEPROM_SIZE_APP, AU_EEPROM_DCRC_APP,}, \ - {AU_EEPROM_TIME_DISK, AU_EEPROM_SIZE_DISK, AU_EEPROM_DCRC_DISK,}, \ - {AU_EEPROM_TIME_POSTINST, AU_EEPROM_SIZE_POSTINST, AU_EEPROM_DCRC_POSTINST,} \ - }; -/* array of flash areas start and end addresses */ -struct flash_layout aufl_layout[AU_MAXFILES - 3] = { \ - {AU_FL_FIRMWARE_ST, AU_FL_FIRMWARE_ND,}, \ - {AU_FL_KERNEL_ST, AU_FL_KERNEL_ND,}, \ - {AU_FL_APP_ST, AU_FL_APP_ND,}, \ - {AU_FL_DISK_ST, AU_FL_DISK_ND,}, \ -}; -/* convert the index into aufile[] to an index into aufl_layout[] */ -#define FIDX_TO_LIDX(idx) ((idx) - 2) - -/* where to load files into memory */ -#define LOAD_ADDR ((unsigned char *)0x0C100000) -/* the app is the largest image */ -#define MAX_LOADSZ ausize[IDX_APP] - -/* externals */ -extern int fat_register_device(block_dev_desc_t *, int); -extern int file_fat_detectfs(void); -extern long file_fat_read(const char *, void *, unsigned long); -extern int i2c_read (unsigned char, unsigned int, int , unsigned char* , int); -extern int i2c_write (uchar, uint, int , uchar* , int); -#ifdef CONFIG_VFD -extern int trab_vfd (ulong); -extern int transfer_pic(unsigned char, unsigned char *, int, int); -#endif -extern int flash_sect_erase(ulong, ulong); -extern int flash_sect_protect (int, ulong, ulong); -extern int flash_write (char *, ulong, ulong); -/* change char* to void* to shutup the compiler */ -extern int i2c_write_multiple (uchar, uint, int, void *, int); -extern int i2c_read_multiple (uchar, uint, int, void *, int); -extern int u_boot_hush_start(void); - -int -au_check_cksum_valid(int idx, long nbytes) -{ - image_header_t *hdr; - - hdr = (image_header_t *)LOAD_ADDR; -#if defined(CONFIG_FIT) - if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) { - puts ("Non legacy image format not supported\n"); - return -1; - } -#endif - - if (nbytes != image_get_image_size (hdr)) { - printf ("Image %s bad total SIZE\n", aufile[idx]); - return -1; - } - /* check the data CRC */ - if (!image_check_dcrc (hdr)) { - printf ("Image %s bad data checksum\n", aufile[idx]); - return -1; - } - return 0; -} - -int -au_check_header_valid(int idx, long nbytes) -{ - image_header_t *hdr; - unsigned long checksum; - unsigned char buf[4]; - - hdr = (image_header_t *)LOAD_ADDR; -#if defined(CONFIG_FIT) - if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) { - puts ("Non legacy image format not supported\n"); - return -1; - } -#endif - - /* check the easy ones first */ -#undef CHECK_VALID_DEBUG -#ifdef CHECK_VALID_DEBUG - printf("magic %#x %#x ", image_get_magic (hdr), IH_MAGIC); - printf("arch %#x %#x ", image_get_arch (hdr), IH_ARCH_ARM); - printf("size %#x %#lx ", image_get_data_size (hdr), nbytes); - printf("type %#x %#x ", image_get_type (hdr), IH_TYPE_KERNEL); -#endif - if (nbytes < image_get_header_size ()) { - printf ("Image %s bad header SIZE\n", aufile[idx]); - return -1; - } - if (!image_check_magic (hdr) || !image_check_arch (hdr, IH_ARCH_ARM)) { - printf ("Image %s bad MAGIC or ARCH\n", aufile[idx]); - return -1; - } - /* check the hdr CRC */ - if (!image_check_hcrc (hdr)) { - printf ("Image %s bad header checksum\n", aufile[idx]); - return -1; - } - /* check the type - could do this all in one gigantic if() */ - if ((idx == IDX_FIRMWARE) && - !image_check_type (hdr, IH_TYPE_FIRMWARE)) { - printf ("Image %s wrong type\n", aufile[idx]); - return -1; - } - if ((idx == IDX_KERNEL) && !image_check_type (hdr, IH_TYPE_KERNEL)) { - printf ("Image %s wrong type\n", aufile[idx]); - return -1; - } - if ((idx == IDX_DISK) && !image_check_type (hdr, IH_TYPE_FILESYSTEM)) { - printf ("Image %s wrong type\n", aufile[idx]); - return -1; - } - if ((idx == IDX_APP) && !image_check_type (hdr, IH_TYPE_RAMDISK) - && !image_check_type (hdr, IH_TYPE_FILESYSTEM)) { - printf ("Image %s wrong type\n", aufile[idx]); - return -1; - } - if ((idx == IDX_PREPARE || idx == IDX_PREINST || idx == IDX_POSTINST) - && !image_check_type (hdr, IH_TYPE_SCRIPT)) { - printf ("Image %s wrong type\n", aufile[idx]); - return -1; - } - /* special case for prepare.img */ - if (idx == IDX_PREPARE) - return 0; - /* recycle checksum */ - checksum = image_get_data_size (hdr); - /* for kernel and app the image header must also fit into flash */ - if ((idx != IDX_DISK) && (idx != IDX_FIRMWARE)) - checksum += image_get_header_size (); - /* check the size does not exceed space in flash. HUSH scripts */ - /* all have ausize[] set to 0 */ - if ((ausize[idx] != 0) && (ausize[idx] < checksum)) { - printf ("Image %s is bigger than FLASH\n", aufile[idx]); - return -1; - } - /* check the time stamp from the EEPROM */ - /* read it in */ - i2c_read_multiple(0x54, auee_off[idx].time, 1, buf, sizeof(buf)); -#ifdef CHECK_VALID_DEBUG - printf ("buf[0] %#x buf[1] %#x buf[2] %#x buf[3] %#x " - "as int %#x time %#x\n", - buf[0], buf[1], buf[2], buf[3], - *((unsigned int *)buf), image_get_time (hdr)); -#endif - /* check it */ - if (*((unsigned int *)buf) >= image_get_time (hdr)) { - printf ("Image %s is too old\n", aufile[idx]); - return -1; - } - - return 0; -} - -/* power control defines */ -#define CPLD_VFD_BK ((volatile char *)0x04038002) -#define POWER_OFF (1 << 1) - -int -au_do_update(int idx, long sz) -{ - image_header_t *hdr; - char *addr; - long start, end; - int off, rc; - uint nbytes; - - hdr = (image_header_t *)LOAD_ADDR; -#if defined(CONFIG_FIT) - if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) { - puts ("Non legacy image format not supported\n"); - return -1; - } -#endif - - /* disable the power switch */ - *CPLD_VFD_BK |= POWER_OFF; - - /* execute a script */ - if (image_check_type (hdr, IH_TYPE_SCRIPT)) { - addr = (char *)((char *)hdr + image_get_header_size ()); - /* stick a NULL at the end of the script, otherwise */ - /* parse_string_outer() runs off the end. */ - addr[image_get_data_size (hdr)] = 0; - addr += 8; - parse_string_outer(addr, FLAG_PARSE_SEMICOLON); - return 0; - } - - start = aufl_layout[FIDX_TO_LIDX(idx)].start; - end = aufl_layout[FIDX_TO_LIDX(idx)].end; - - /* unprotect the address range */ - /* this assumes that ONLY the firmware is protected! */ - if (idx == IDX_FIRMWARE) { -#undef AU_UPDATE_TEST -#ifdef AU_UPDATE_TEST - /* erase it where Linux goes */ - start = aufl_layout[1].start; - end = aufl_layout[1].end; -#endif - flash_sect_protect(0, start, end); - } - - /* - * erase the address range. - */ - debug ("flash_sect_erase(%lx, %lx);\n", start, end); - flash_sect_erase(start, end); - wait_ms(100); - /* strip the header - except for the kernel and ramdisk */ - if (image_check_type (hdr, IH_TYPE_KERNEL) || - image_check_type (hdr, IH_TYPE_RAMDISK)) { - addr = (char *)hdr; - off = image_get_header_size (); - nbytes = image_get_image_size (hdr); - } else { - addr = (char *)((char *)hdr + image_get_header_size ()); -#ifdef AU_UPDATE_TEST - /* copy it to where Linux goes */ - if (idx == IDX_FIRMWARE) - start = aufl_layout[1].start; -#endif - off = 0; - nbytes = image_get_data_size (hdr); - } - - /* copy the data from RAM to FLASH */ - debug ("flash_write(%p, %lx %x)\n", addr, start, nbytes); - rc = flash_write(addr, start, nbytes); - if (rc != 0) { - printf("Flashing failed due to error %d\n", rc); - return -1; - } - - /* check the dcrc of the copy */ - if (crc32 (0, (uchar *)(start + off), image_get_data_size (hdr)) != - image_get_dcrc (hdr)) { - printf ("Image %s Bad Data Checksum After COPY\n", aufile[idx]); - return -1; - } - - /* protect the address range */ - /* this assumes that ONLY the firmware is protected! */ - if (idx == IDX_FIRMWARE) - flash_sect_protect(1, start, end); - return 0; -} - -int -au_update_eeprom(int idx) -{ - image_header_t *hdr; - int off; - uint32_t val; - - /* special case for prepare.img */ - if (idx == IDX_PREPARE) { - /* enable the power switch */ - *CPLD_VFD_BK &= ~POWER_OFF; - return 0; - } - - hdr = (image_header_t *)LOAD_ADDR; -#if defined(CONFIG_FIT) - if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) { - puts ("Non legacy image format not supported\n"); - return -1; - } -#endif - - /* write the time field into EEPROM */ - off = auee_off[idx].time; - val = image_get_time (hdr); - i2c_write_multiple(0x54, off, 1, &val, sizeof(val)); - /* write the size field into EEPROM */ - off = auee_off[idx].size; - val = image_get_data_size (hdr); - i2c_write_multiple(0x54, off, 1, &val, sizeof(val)); - /* write the dcrc field into EEPROM */ - off = auee_off[idx].dcrc; - val = image_get_dcrc (hdr); - i2c_write_multiple(0x54, off, 1, &val, sizeof(val)); - /* enable the power switch */ - *CPLD_VFD_BK &= ~POWER_OFF; - return 0; -} - -/* - * this is called from board_init() after the hardware has been set up - * and is usable. That seems like a good time to do this. - * Right now the return value is ignored. - */ -int -do_auto_update(void) -{ - block_dev_desc_t *stor_dev; - long sz; - int i, res = 0, bitmap_first, cnt, old_ctrlc, got_ctrlc; - char *env; - long start, end; - -#undef ERASE_EEPROM -#ifdef ERASE_EEPROM - int arr[18]; - memset(arr, 0, sizeof(arr)); - i2c_write_multiple(0x54, 64, 1, arr, sizeof(arr)); -#endif - au_usb_stor_curr_dev = -1; - /* start USB */ - if (usb_stop() < 0) { - debug ("usb_stop failed\n"); - return -1; - } - if (usb_init() < 0) { - debug ("usb_init failed\n"); - return -1; - } - /* - * check whether a storage device is attached (assume that it's - * a USB memory stick, since nothing else should be attached). - */ - au_usb_stor_curr_dev = usb_stor_scan(0); - if (au_usb_stor_curr_dev == -1) { - debug ("No device found. Not initialized?\n"); - res = -1; - goto xit; - } - /* check whether it has a partition table */ - stor_dev = get_dev("usb", 0); - if (stor_dev == NULL) { - debug ("uknown device type\n"); - res = -1; - goto xit; - } - if (fat_register_device(stor_dev, 1) != 0) { - debug ("Unable to use USB %d:%d for fatls\n", - au_usb_stor_curr_dev, 1); - res = -1; - goto xit; - } - if (file_fat_detectfs() != 0) { - debug ("file_fat_detectfs failed\n"); - } - - /* initialize the array of file names */ - memset(aufile, 0, sizeof(aufile)); - aufile[IDX_PREPARE] = AU_PREPARE; - aufile[IDX_PREINST] = AU_PREINST; - aufile[IDX_FIRMWARE] = AU_FIRMWARE; - aufile[IDX_KERNEL] = AU_KERNEL; - aufile[IDX_APP] = AU_APP; - aufile[IDX_DISK] = AU_DISK; - aufile[IDX_POSTINST] = AU_POSTINST; - /* initialize the array of flash sizes */ - memset(ausize, 0, sizeof(ausize)); - ausize[IDX_FIRMWARE] = (AU_FL_FIRMWARE_ND + 1) - AU_FL_FIRMWARE_ST; - ausize[IDX_KERNEL] = (AU_FL_KERNEL_ND + 1) - AU_FL_KERNEL_ST; - ausize[IDX_APP] = (AU_FL_APP_ND + 1) - AU_FL_APP_ST; - ausize[IDX_DISK] = (AU_FL_DISK_ND + 1) - AU_FL_DISK_ST; - /* - * now check whether start and end are defined using environment - * variables. - */ - start = -1; - end = 0; - env = getenv("firmware_st"); - if (env != NULL) - start = simple_strtoul(env, NULL, 16); - env = getenv("firmware_nd"); - if (env != NULL) - end = simple_strtoul(env, NULL, 16); - if (start >= 0 && end && end > start) { - ausize[IDX_FIRMWARE] = (end + 1) - start; - aufl_layout[0].start = start; - aufl_layout[0].end = end; - } - start = -1; - end = 0; - env = getenv("kernel_st"); - if (env != NULL) - start = simple_strtoul(env, NULL, 16); - env = getenv("kernel_nd"); - if (env != NULL) - end = simple_strtoul(env, NULL, 16); - if (start >= 0 && end && end > start) { - ausize[IDX_KERNEL] = (end + 1) - start; - aufl_layout[1].start = start; - aufl_layout[1].end = end; - } - start = -1; - end = 0; - env = getenv("app_st"); - if (env != NULL) - start = simple_strtoul(env, NULL, 16); - env = getenv("app_nd"); - if (env != NULL) - end = simple_strtoul(env, NULL, 16); - if (start >= 0 && end && end > start) { - ausize[IDX_APP] = (end + 1) - start; - aufl_layout[2].start = start; - aufl_layout[2].end = end; - } - start = -1; - end = 0; - env = getenv("disk_st"); - if (env != NULL) - start = simple_strtoul(env, NULL, 16); - env = getenv("disk_nd"); - if (env != NULL) - end = simple_strtoul(env, NULL, 16); - if (start >= 0 && end && end > start) { - ausize[IDX_DISK] = (end + 1) - start; - aufl_layout[3].start = start; - aufl_layout[3].end = end; - } - /* make certain that HUSH is runnable */ - u_boot_hush_start(); - /* make sure that we see CTRL-C and save the old state */ - old_ctrlc = disable_ctrlc(0); - - bitmap_first = 0; - /* just loop thru all the possible files */ - for (i = 0; i < AU_MAXFILES; i++) { - /* just read the header */ - sz = file_fat_read(aufile[i], LOAD_ADDR, image_get_header_size ()); - debug ("read %s sz %ld hdr %d\n", - aufile[i], sz, image_get_header_size ()); - if (sz <= 0 || sz < image_get_header_size ()) { - debug ("%s not found\n", aufile[i]); - continue; - } - if (au_check_header_valid(i, sz) < 0) { - debug ("%s header not valid\n", aufile[i]); - continue; - } - sz = file_fat_read(aufile[i], LOAD_ADDR, MAX_LOADSZ); - debug ("read %s sz %ld hdr %d\n", - aufile[i], sz, image_get_header_size ()); - if (sz <= 0 || sz <= image_get_header_size ()) { - debug ("%s not found\n", aufile[i]); - continue; - } - if (au_check_cksum_valid(i, sz) < 0) { - debug ("%s checksum not valid\n", aufile[i]); - continue; - } -#ifdef CONFIG_VFD - /* now that we have a valid file we can display the */ - /* bitmap. */ - if (bitmap_first == 0) { - env = getenv("bitmap2"); - if (env == NULL) { - trab_vfd(0); - } else { - /* not so simple - bitmap2 is supposed to */ - /* contain the address of the bitmap */ - env = (char *)simple_strtoul(env, NULL, 16); -/* NOTE: these are taken from vfd_logo.h. If that file changes then */ -/* these defines MUST also be updated! These may be wrong for bitmap2. */ -#define VFD_LOGO_WIDTH 112 -#define VFD_LOGO_HEIGHT 72 - /* must call transfer_pic directly */ - transfer_pic(3, (unsigned char *)env, - VFD_LOGO_HEIGHT, VFD_LOGO_WIDTH); - } - bitmap_first = 1; - } -#endif - /* this is really not a good idea, but it's what the */ - /* customer wants. */ - cnt = 0; - got_ctrlc = 0; - do { - res = au_do_update(i, sz); - /* let the user break out of the loop */ - if (ctrlc() || had_ctrlc()) { - clear_ctrlc(); - if (res < 0) - got_ctrlc = 1; - break; - } - cnt++; -#ifdef AU_TEST_ONLY - } while (res < 0 && cnt < 3); - if (cnt < 3) -#else - } while (res < 0); -#endif - /* - * it doesn't make sense to update the EEPROM if the - * update was interrupted by the user due to errors. - */ - if (got_ctrlc == 0) - au_update_eeprom(i); - else - /* enable the power switch */ - *CPLD_VFD_BK &= ~POWER_OFF; - } - /* restore the old state */ - disable_ctrlc(old_ctrlc); -xit: - usb_stop(); - return res; -} -#endif /* CONFIG_AUTO_UPDATE */ |