static void determine_generation(struct pci_dev *dev)
{
amd_gen = CHIPSET_AMD_UNKNOWN;
msg_pdbg2("Trying to determine the generation of the SPI interface... ");
if (dev->device_id == 0x438d) {
amd_gen = CHIPSET_SB6XX;
msg_pdbg("SB6xx detected.\n");
} else if (dev->device_id == 0x439d) {
struct pci_dev *smbus_dev = pci_dev_find(0x1002, 0x4385);
if (smbus_dev == NULL)
return;
uint8_t rev = pci_read_byte(smbus_dev, PCI_REVISION_ID);
if (rev >= 0x39 && rev <= 0x3D) {
amd_gen = CHIPSET_SB7XX;
msg_pdbg("SB7xx/SP5100 detected.\n");
} else if (rev >= 0x40 && rev <= 0x42) {
amd_gen = CHIPSET_SB89XX;
msg_pdbg("SB8xx/SB9xx/Hudson-1 detected.\n");
} else {
msg_pwarn("SB device found but SMBus revision 0x%02x does not match known values.\n"
"Assuming SB8xx/SB9xx/Hudson-1. Please send a log to [email protected]\n",
rev);
amd_gen = CHIPSET_SB89XX;
}
} else if (dev->device_id == 0x780e) {
/* The PCI ID of the LPC bridge doesn't change between Hudson-2/3/4 and Yangtze (Kabini/Temash)
* although they use different SPI interfaces. */
#ifdef USE_YANGTZE_HEURISTICS
/* This heuristic accesses the SPI interface MMIO BAR at locations beyond those supported by
* Hudson in the hope of getting 0xff readback on older chipsets and non-0xff readback on
* Yangtze (and newer, compatible chipsets). */
int i;
msg_pdbg("Checking for AMD Yangtze (Kabini/Temash) or later... ");
for (i = 0x20; i <= 0x4f; i++) {
if (mmio_readb(sb600_spibar + i) != 0xff) {
amd_gen = CHIPSET_YANGTZE;
msg_pdbg("found.\n");
return;
}
}
msg_pdbg("not found. Assuming Hudson.\n");
amd_gen = CHIPSET_HUDSON234;
#else
struct pci_dev *smbus_dev = pci_dev_find(0x1022, 0x780B);
if (smbus_dev == NULL) {
msg_pdbg("No SMBus device with ID 1022:780B found.\n");
return;
}
uint8_t rev = pci_read_byte(smbus_dev, PCI_REVISION_ID);
if (rev >= 0x11 && rev <= 0x15) {
amd_gen = CHIPSET_HUDSON234;
msg_pdbg("Hudson-2/3/4 detected.\n");
} else if (rev >= 0x39 && rev <= 0x3A) {
amd_gen = CHIPSET_YANGTZE;
msg_pdbg("Yangtze detected.\n");
} else {
msg_pwarn("FCH device found but SMBus revision 0x%02x does not match known values.\n"
"Please report this to [email protected] and include this log and\n"
"the output of lspci -nnvx, thanks!.\n", rev);
}
#endif
} else
msg_pwarn("%s: Unknown LPC device %" PRIx16 ":%" PRIx16 ".\n"
"Please report this to [email protected] and include this log and\n"
"the output of lspci -nnvx, thanks!\n",
__func__, dev->vendor_id, dev->device_id);
}
int linux_spi_init(void)
{
char *p, *endp, *dev;
uint32_t speed = 0;
/* FIXME: make the following configurable by CLI options. */
/* SPI mode 0 (beware this also includes: MSB first, CS active low and others */
const uint8_t mode = SPI_MODE_0;
const uint8_t bits = 8;
dev = extract_programmer_param("dev");
if (!dev || !strlen(dev)) {
msg_perr("No SPI device given. Use flashrom -p "
"linux_spi:dev=/dev/spidevX.Y\n");
return 1;
}
p = extract_programmer_param("speed");
if (p && strlen(p)) {
speed = (uint32_t)strtoul(p, &endp, 10) * 1024;
if (p == endp) {
msg_perr("%s: invalid clock: %s kHz\n", __func__, p);
return 1;
}
}
msg_pdbg("Using device %s\n", dev);
if ((fd = open(dev, O_RDWR)) == -1) {
msg_perr("%s: failed to open %s: %s\n", __func__,
dev, strerror(errno));
return 1;
}
if (register_shutdown(linux_spi_shutdown, NULL))
return 1;
/* We rely on the shutdown function for cleanup from here on. */
if (speed > 0) {
if (ioctl(fd, SPI_IOC_WR_MAX_SPEED_HZ, &speed) == -1) {
msg_perr("%s: failed to set speed to %d Hz: %s\n",
__func__, speed, strerror(errno));
return 1;
}
msg_pdbg("Using %d kHz clock\n", speed);
}
if (ioctl(fd, SPI_IOC_WR_MODE, &mode) == -1) {
msg_perr("%s: failed to set SPI mode to 0x%02x: %s\n",
__func__, mode, strerror(errno));
return 1;
}
if (ioctl(fd, SPI_IOC_WR_BITS_PER_WORD, &bits) == -1) {
msg_perr("%s: failed to set the number of bits per SPI word to %u: %s\n",
__func__, bits == 0 ? 8 : bits, strerror(errno));
return 1;
}
register_spi_programmer(&spi_programmer_linux);
return 0;
}
int serialport_config(fdtype fd, int baud)
{
if (fd == SER_INV_FD) {
msg_perr("%s: File descriptor is invalid.\n", __func__);
return 1;
}
#if IS_WINDOWS
DCB dcb;
if (!GetCommState(fd, &dcb)) {
msg_perr_strerror("Could not fetch original serial port configuration: ");
return 1;
}
if (baud >= 0) {
dcb.BaudRate = baud;
}
dcb.ByteSize = 8;
dcb.Parity = NOPARITY;
dcb.StopBits = ONESTOPBIT;
if (!SetCommState(fd, &dcb)) {
msg_perr_strerror("Could not change serial port configuration: ");
return 1;
}
if (!GetCommState(fd, &dcb)) {
msg_perr_strerror("Could not fetch new serial port configuration: ");
return 1;
}
msg_pdbg("Baud rate is %ld.\n", dcb.BaudRate);
#else
struct termios wanted, observed;
if (tcgetattr(fd, &observed) != 0) {
msg_perr_strerror("Could not fetch original serial port configuration: ");
return 1;
}
wanted = observed;
if (baud >= 0) {
const struct baudentry *entry = round_baud(baud);
if (cfsetispeed(&wanted, entry->flag) != 0 || cfsetospeed(&wanted, entry->flag) != 0) {
msg_perr_strerror("Could not set serial baud rate: ");
return 1;
}
}
wanted.c_cflag &= ~(PARENB | CSTOPB | CSIZE | CRTSCTS);
wanted.c_cflag |= (CS8 | CLOCAL | CREAD);
wanted.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
wanted.c_iflag &= ~(IXON | IXOFF | IXANY | ICRNL | IGNCR | INLCR);
wanted.c_oflag &= ~OPOST;
if (tcsetattr(fd, TCSANOW, &wanted) != 0) {
msg_perr_strerror("Could not change serial port configuration: ");
return 1;
}
if (tcgetattr(fd, &observed) != 0) {
msg_perr_strerror("Could not fetch new serial port configuration: ");
return 1;
}
if (observed.c_cflag != wanted.c_cflag ||
observed.c_lflag != wanted.c_lflag ||
observed.c_iflag != wanted.c_iflag ||
observed.c_oflag != wanted.c_oflag) {
msg_pwarn("Some requested serial options did not stick, continuing anyway.\n");
msg_pdbg(" observed wanted\n"
"c_cflag: 0x%08lX 0x%08lX\n"
"c_lflag: 0x%08lX 0x%08lX\n"
"c_iflag: 0x%08lX 0x%08lX\n"
"c_oflag: 0x%08lX 0x%08lX\n",
(long)observed.c_cflag, (long)wanted.c_cflag,
(long)observed.c_lflag, (long)wanted.c_lflag,
(long)observed.c_iflag, (long)wanted.c_iflag,
(long)observed.c_oflag, (long)wanted.c_oflag
);
}
if (cfgetispeed(&observed) != cfgetispeed(&wanted) ||
cfgetospeed(&observed) != cfgetospeed(&wanted)) {
msg_pwarn("Could not set baud rates exactly.\n");
msg_pdbg("Actual baud flags are: ispeed: 0x%08lX, ospeed: 0x%08lX\n",
(long)cfgetispeed(&observed), (long)cfgetospeed(&observed));
}
// FIXME: display actual baud rate - at least if none was specified by the user.
#endif
return 0;
}
static uint16_t it87spi_probe(uint16_t port)
{
uint8_t tmp = 0;
char *portpos = NULL;
uint16_t flashport = 0;
enter_conf_mode_ite(port);
/* NOLDN, reg 0x24, mask out lowest bit (suspend) */
tmp = sio_read(port, 0x24) & 0xFE;
/* If IT87SPI was not explicitly selected, we want to check
* quickly if LPC->SPI translation is active.
*/
if ((programmer == PROGRAMMER_INTERNAL) && !(tmp & (0x0E))) {
msg_pdbg("No IT87* serial flash segment enabled.\n");
exit_conf_mode_ite(port);
/* Nothing to do. */
return 0;
}
msg_pdbg("Serial flash segment 0x%08x-0x%08x %sabled\n",
0xFFFE0000, 0xFFFFFFFF, (tmp & 1 << 1) ? "en" : "dis");
msg_pdbg("Serial flash segment 0x%08x-0x%08x %sabled\n",
0x000E0000, 0x000FFFFF, (tmp & 1 << 1) ? "en" : "dis");
msg_pdbg("Serial flash segment 0x%08x-0x%08x %sabled\n",
0xFFEE0000, 0xFFEFFFFF, (tmp & 1 << 2) ? "en" : "dis");
msg_pdbg("Serial flash segment 0x%08x-0x%08x %sabled\n",
0xFFF80000, 0xFFFEFFFF, (tmp & 1 << 3) ? "en" : "dis");
msg_pdbg("LPC write to serial flash %sabled\n",
(tmp & 1 << 4) ? "en" : "dis");
/* The LPC->SPI force write enable below only makes sense for
* non-programmer mode.
*/
/* If any serial flash segment is enabled, enable writing. */
if ((tmp & 0xe) && (!(tmp & 1 << 4))) {
msg_pdbg("Enabling LPC write to serial flash\n");
tmp |= 1 << 4;
sio_write(port, 0x24, tmp);
}
msg_pdbg("Serial flash pin %i\n", (tmp & 1 << 5) ? 87 : 29);
/* LDN 0x7, reg 0x64/0x65 */
sio_write(port, 0x07, 0x7);
flashport = sio_read(port, 0x64) << 8;
flashport |= sio_read(port, 0x65);
msg_pdbg("Serial flash port 0x%04x\n", flashport);
/* Non-default port requested? */
portpos = extract_programmer_param("it87spiport");
if (portpos) {
char *endptr = NULL;
unsigned long forced_flashport;
forced_flashport = strtoul(portpos, &endptr, 0);
/* Port 0, port >0x1000, unaligned ports and garbage strings
* are rejected.
*/
if (!forced_flashport || (forced_flashport >= 0x1000) ||
(forced_flashport & 0x7) || (*endptr != '\0')) {
/* Using ports below 0x100 is a really bad idea, and
* should only be done if no port between 0x100 and
* 0xff8 works due to routing issues.
*/
msg_perr("Error: it87spiport specified, but no valid "
"port specified.\nPort must be a multiple of "
"0x8 and lie between 0x100 and 0xff8.\n");
free(portpos);
return 1;
} else {
flashport = (uint16_t)forced_flashport;
msg_pinfo("Forcing serial flash port 0x%04x\n",
flashport);
sio_write(port, 0x64, (flashport >> 8));
sio_write(port, 0x65, (flashport & 0xff));
}
}
free(portpos);
exit_conf_mode_ite(port);
it8716f_flashport = flashport;
if (buses_supported & CHIP_BUSTYPE_SPI)
msg_pdbg("Overriding chipset SPI with IT87 SPI.\n");
/* FIXME: Add the SPI bus or replace the other buses with it? */
register_spi_programmer(&spi_programmer_it87xx);
return 0;
}
/* Tries to find coreboot IDs in the supplied image and compares them to the current IDs.
* Returns...
* -1 if IDs in the image do not match the IDs embedded in the current firmware,
* 0 if the IDs could not be found in the image or if they match correctly.
*/
int cb_check_image(const uint8_t *image, int size)
{
const unsigned int *walk;
unsigned int mb_part_offset, mb_vendor_offset;
const char *mb_part, *mb_vendor;
walk = (const unsigned int *)(image + size - 0x10);
walk--;
if ((*walk) == 0 || ((*walk) & 0x3ff) != 0) {
/* Some NVIDIA chipsets store chipset soft straps (IIRC Hypertransport init info etc.) in
* flash at exactly the location where coreboot image size, coreboot vendor name pointer and
* coreboot board name pointer are usually stored. In this case coreboot uses an alternate
* location for the coreboot image data. */
walk = (const unsigned int *)(image + size - 0x80);
walk--;
}
/*
* Check if coreboot last image size is 0 or not a multiple of 1k or
* bigger than the chip or if the pointers to vendor ID or mainboard ID
* are outside the image of if the start of ID strings are nonsensical
* (nonprintable and not \0).
*/
mb_part_offset = *(walk - 1);
mb_vendor_offset = *(walk - 2);
if ((*walk) == 0 || ((*walk) & 0x3ff) != 0 || (*walk) > size ||
mb_part_offset > size || mb_vendor_offset > size) {
msg_pdbg("Flash image seems to be a legacy BIOS. Disabling coreboot-related checks.\n");
return 0;
}
mb_part = (const char *)(image + size - mb_part_offset);
mb_vendor = (const char *)(image + size - mb_vendor_offset);
if (!isprint((unsigned char)*mb_part) ||
!isprint((unsigned char)*mb_vendor)) {
msg_pdbg("Flash image seems to have garbage in the ID location. "
"Disabling coreboot-related checks.\n");
return 0;
}
msg_pdbg("coreboot last image size (not ROM size) is %d bytes.\n", *walk);
msg_pdbg("Manufacturer: %s\n", mb_vendor);
msg_pdbg("Mainboard ID: %s\n", mb_part);
/* If these are not set, the coreboot table was not found. */
if (!cb_vendor || !cb_model)
return 0;
/* These comparisons are case insensitive to make things a little less user^Werror prone. */
if (!strcasecmp(mb_vendor, cb_vendor) && !strcasecmp(mb_part, cb_model)) {
msg_pdbg2("This coreboot image matches this mainboard.\n");
} else {
msg_perr("This coreboot image (%s:%s) does not appear to\n"
"be correct for the detected mainboard (%s:%s).\n",
mb_vendor, mb_part, cb_vendor, cb_model);
return -1;
}
return 0;
}
int main(int argc, char *argv[])
{
const struct flashchip *chip = NULL;
/* Probe for up to eight flash chips. */
struct flashctx flashes[8] = {{0}};
struct flashctx *fill_flash;
const char *name;
int namelen, opt, i, j;
int startchip = -1, chipcount = 0, option_index = 0, force = 0, ifd = 0, fmap = 0;
#if CONFIG_PRINT_WIKI == 1
int list_supported_wiki = 0;
#endif
int read_it = 0, write_it = 0, erase_it = 0, verify_it = 0;
int dont_verify_it = 0, dont_verify_all = 0, list_supported = 0, operation_specified = 0;
struct flashrom_layout *layout = NULL;
enum programmer prog = PROGRAMMER_INVALID;
enum {
OPTION_IFD = 0x0100,
OPTION_FMAP,
OPTION_FMAP_FILE,
OPTION_FLASH_CONTENTS,
};
int ret = 0;
static const char optstring[] = "r:Rw:v:nNVEfc:l:i:p:Lzho:";
static const struct option long_options[] = {
{"read", 1, NULL, 'r'},
{"write", 1, NULL, 'w'},
{"erase", 0, NULL, 'E'},
{"verify", 1, NULL, 'v'},
{"noverify", 0, NULL, 'n'},
{"noverify-all", 0, NULL, 'N'},
{"chip", 1, NULL, 'c'},
{"verbose", 0, NULL, 'V'},
{"force", 0, NULL, 'f'},
{"layout", 1, NULL, 'l'},
{"ifd", 0, NULL, OPTION_IFD},
{"fmap", 0, NULL, OPTION_FMAP},
{"fmap-file", 1, NULL, OPTION_FMAP_FILE},
{"image", 1, NULL, 'i'},
{"flash-contents", 1, NULL, OPTION_FLASH_CONTENTS},
{"list-supported", 0, NULL, 'L'},
{"list-supported-wiki", 0, NULL, 'z'},
{"programmer", 1, NULL, 'p'},
{"help", 0, NULL, 'h'},
{"version", 0, NULL, 'R'},
{"output", 1, NULL, 'o'},
{NULL, 0, NULL, 0},
};
char *filename = NULL;
char *referencefile = NULL;
char *layoutfile = NULL;
char *fmapfile = NULL;
#ifndef STANDALONE
char *logfile = NULL;
#endif /* !STANDALONE */
char *tempstr = NULL;
char *pparam = NULL;
flashrom_set_log_callback((flashrom_log_callback *)&flashrom_print_cb);
print_version();
print_banner();
if (selfcheck())
exit(1);
setbuf(stdout, NULL);
/* FIXME: Delay all operation_specified checks until after command
* line parsing to allow --help overriding everything else.
*/
while ((opt = getopt_long(argc, argv, optstring,
long_options, &option_index)) != EOF) {
switch (opt) {
case 'r':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
filename = strdup(optarg);
read_it = 1;
break;
case 'w':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
filename = strdup(optarg);
write_it = 1;
break;
case 'v':
//FIXME: gracefully handle superfluous -v
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
if (dont_verify_it) {
fprintf(stderr, "--verify and --noverify are mutually exclusive. Aborting.\n");
cli_classic_abort_usage();
}
filename = strdup(optarg);
verify_it = 1;
break;
case 'n':
if (verify_it) {
fprintf(stderr, "--verify and --noverify are mutually exclusive. Aborting.\n");
cli_classic_abort_usage();
}
dont_verify_it = 1;
break;
case 'N':
dont_verify_all = 1;
break;
case 'c':
chip_to_probe = strdup(optarg);
break;
case 'V':
verbose_screen++;
if (verbose_screen > FLASHROM_MSG_DEBUG2)
verbose_logfile = verbose_screen;
break;
case 'E':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
erase_it = 1;
break;
case 'f':
force = 1;
break;
case 'l':
if (layoutfile) {
fprintf(stderr, "Error: --layout specified "
"more than once. Aborting.\n");
cli_classic_abort_usage();
}
if (ifd) {
fprintf(stderr, "Error: --layout and --ifd both specified. Aborting.\n");
cli_classic_abort_usage();
}
if (fmap) {
fprintf(stderr, "Error: --layout and --fmap-file both specified. Aborting.\n");
cli_classic_abort_usage();
}
layoutfile = strdup(optarg);
break;
case OPTION_IFD:
if (layoutfile) {
fprintf(stderr, "Error: --layout and --ifd both specified. Aborting.\n");
cli_classic_abort_usage();
}
if (fmap) {
fprintf(stderr, "Error: --fmap-file and --ifd both specified. Aborting.\n");
cli_classic_abort_usage();
}
ifd = 1;
break;
case OPTION_FMAP_FILE:
if (fmap) {
fprintf(stderr, "Error: --fmap or --fmap-file specified "
"more than once. Aborting.\n");
cli_classic_abort_usage();
}
if (ifd) {
fprintf(stderr, "Error: --fmap-file and --ifd both specified. Aborting.\n");
cli_classic_abort_usage();
}
if (layoutfile) {
fprintf(stderr, "Error: --fmap-file and --layout both specified. Aborting.\n");
cli_classic_abort_usage();
}
fmapfile = strdup(optarg);
fmap = 1;
break;
case OPTION_FMAP:
if (fmap) {
fprintf(stderr, "Error: --fmap or --fmap-file specified "
"more than once. Aborting.\n");
cli_classic_abort_usage();
}
if (ifd) {
fprintf(stderr, "Error: --fmap and --ifd both specified. Aborting.\n");
cli_classic_abort_usage();
}
if (layoutfile) {
fprintf(stderr, "Error: --layout and --fmap both specified. Aborting.\n");
cli_classic_abort_usage();
}
fmap = 1;
break;
case 'i':
tempstr = strdup(optarg);
if (register_include_arg(tempstr)) {
free(tempstr);
cli_classic_abort_usage();
}
break;
case OPTION_FLASH_CONTENTS:
referencefile = strdup(optarg);
break;
case 'L':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
list_supported = 1;
break;
case 'z':
#if CONFIG_PRINT_WIKI == 1
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
list_supported_wiki = 1;
#else
fprintf(stderr, "Error: Wiki output was not compiled "
"in. Aborting.\n");
cli_classic_abort_usage();
#endif
break;
case 'p':
if (prog != PROGRAMMER_INVALID) {
fprintf(stderr, "Error: --programmer specified "
"more than once. You can separate "
"multiple\nparameters for a programmer "
"with \",\". Please see the man page "
"for details.\n");
cli_classic_abort_usage();
}
for (prog = 0; prog < PROGRAMMER_INVALID; prog++) {
name = programmer_table[prog].name;
namelen = strlen(name);
if (strncmp(optarg, name, namelen) == 0) {
switch (optarg[namelen]) {
case ':':
pparam = strdup(optarg + namelen + 1);
if (!strlen(pparam)) {
free(pparam);
pparam = NULL;
}
break;
case '\0':
break;
default:
/* The continue refers to the
* for loop. It is here to be
* able to differentiate between
* foo and foobar.
*/
continue;
}
break;
}
}
if (prog == PROGRAMMER_INVALID) {
fprintf(stderr, "Error: Unknown programmer \"%s\". Valid choices are:\n",
optarg);
list_programmers_linebreak(0, 80, 0);
msg_ginfo(".\n");
cli_classic_abort_usage();
}
break;
case 'R':
/* print_version() is always called during startup. */
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
exit(0);
break;
case 'h':
if (++operation_specified > 1) {
fprintf(stderr, "More than one operation "
"specified. Aborting.\n");
cli_classic_abort_usage();
}
cli_classic_usage(argv[0]);
exit(0);
break;
case 'o':
#ifdef STANDALONE
fprintf(stderr, "Log file not supported in standalone mode. Aborting.\n");
cli_classic_abort_usage();
#else /* STANDALONE */
logfile = strdup(optarg);
if (logfile[0] == '\0') {
fprintf(stderr, "No log filename specified.\n");
cli_classic_abort_usage();
}
#endif /* STANDALONE */
break;
default:
cli_classic_abort_usage();
break;
}
}
if (optind < argc) {
fprintf(stderr, "Error: Extra parameter found.\n");
cli_classic_abort_usage();
}
if ((read_it | write_it | verify_it) && check_filename(filename, "image")) {
cli_classic_abort_usage();
}
if (layoutfile && check_filename(layoutfile, "layout")) {
cli_classic_abort_usage();
}
if (fmapfile && check_filename(fmapfile, "fmap")) {
cli_classic_abort_usage();
}
if (referencefile && check_filename(referencefile, "reference")) {
cli_classic_abort_usage();
}
#ifndef STANDALONE
if (logfile && check_filename(logfile, "log"))
cli_classic_abort_usage();
if (logfile && open_logfile(logfile))
cli_classic_abort_usage();
#endif /* !STANDALONE */
#if CONFIG_PRINT_WIKI == 1
if (list_supported_wiki) {
print_supported_wiki();
goto out;
}
#endif
if (list_supported) {
if (print_supported())
ret = 1;
goto out;
}
#ifndef STANDALONE
start_logging();
#endif /* !STANDALONE */
print_buildinfo();
msg_gdbg("Command line (%i args):", argc - 1);
for (i = 0; i < argc; i++) {
msg_gdbg(" %s", argv[i]);
}
msg_gdbg("\n");
if (layoutfile && read_romlayout(layoutfile)) {
ret = 1;
goto out;
}
if (!ifd && !fmap && process_include_args(get_global_layout())) {
ret = 1;
goto out;
}
/* Does a chip with the requested name exist in the flashchips array? */
if (chip_to_probe) {
for (chip = flashchips; chip && chip->name; chip++)
if (!strcmp(chip->name, chip_to_probe))
break;
if (!chip || !chip->name) {
msg_cerr("Error: Unknown chip '%s' specified.\n", chip_to_probe);
msg_gerr("Run flashrom -L to view the hardware supported in this flashrom version.\n");
ret = 1;
goto out;
}
/* Keep chip around for later usage in case a forced read is requested. */
}
if (prog == PROGRAMMER_INVALID) {
if (CONFIG_DEFAULT_PROGRAMMER != PROGRAMMER_INVALID) {
prog = CONFIG_DEFAULT_PROGRAMMER;
/* We need to strdup here because we free(pparam) unconditionally later. */
pparam = strdup(CONFIG_DEFAULT_PROGRAMMER_ARGS);
msg_pinfo("Using default programmer \"%s\" with arguments \"%s\".\n",
programmer_table[CONFIG_DEFAULT_PROGRAMMER].name, pparam);
} else {
msg_perr("Please select a programmer with the --programmer parameter.\n"
"Previously this was not necessary because there was a default set.\n"
#if CONFIG_INTERNAL == 1
"To choose the mainboard of this computer use 'internal'. "
#endif
"Valid choices are:\n");
list_programmers_linebreak(0, 80, 0);
msg_ginfo(".\n");
ret = 1;
goto out;
}
}
/* FIXME: Delay calibration should happen in programmer code. */
myusec_calibrate_delay();
if (programmer_init(prog, pparam)) {
msg_perr("Error: Programmer initialization failed.\n");
ret = 1;
goto out_shutdown;
}
tempstr = flashbuses_to_text(get_buses_supported());
msg_pdbg("The following protocols are supported: %s.\n", tempstr);
free(tempstr);
for (j = 0; j < registered_master_count; j++) {
startchip = 0;
while (chipcount < ARRAY_SIZE(flashes)) {
startchip = probe_flash(®istered_masters[j], startchip, &flashes[chipcount], 0);
if (startchip == -1)
break;
chipcount++;
startchip++;
}
}
if (chipcount > 1) {
msg_cinfo("Multiple flash chip definitions match the detected chip(s): \"%s\"",
flashes[0].chip->name);
for (i = 1; i < chipcount; i++)
msg_cinfo(", \"%s\"", flashes[i].chip->name);
msg_cinfo("\nPlease specify which chip definition to use with the -c <chipname> option.\n");
ret = 1;
goto out_shutdown;
} else if (!chipcount) {
msg_cinfo("No EEPROM/flash device found.\n");
if (!force || !chip_to_probe) {
msg_cinfo("Note: flashrom can never write if the flash chip isn't found "
"automatically.\n");
}
if (force && read_it && chip_to_probe) {
struct registered_master *mst;
int compatible_masters = 0;
msg_cinfo("Force read (-f -r -c) requested, pretending the chip is there:\n");
/* This loop just counts compatible controllers. */
for (j = 0; j < registered_master_count; j++) {
mst = ®istered_masters[j];
/* chip is still set from the chip_to_probe earlier in this function. */
if (mst->buses_supported & chip->bustype)
compatible_masters++;
}
if (!compatible_masters) {
msg_cinfo("No compatible controller found for the requested flash chip.\n");
ret = 1;
goto out_shutdown;
}
if (compatible_masters > 1)
msg_cinfo("More than one compatible controller found for the requested flash "
"chip, using the first one.\n");
for (j = 0; j < registered_master_count; j++) {
mst = ®istered_masters[j];
startchip = probe_flash(mst, 0, &flashes[0], 1);
if (startchip != -1)
break;
}
if (startchip == -1) {
// FIXME: This should never happen! Ask for a bug report?
msg_cinfo("Probing for flash chip '%s' failed.\n", chip_to_probe);
ret = 1;
goto out_shutdown;
}
if (map_flash(&flashes[0]) != 0) {
free(flashes[0].chip);
ret = 1;
goto out_shutdown;
}
msg_cinfo("Please note that forced reads most likely contain garbage.\n");
ret = read_flash_to_file(&flashes[0], filename);
unmap_flash(&flashes[0]);
free(flashes[0].chip);
goto out_shutdown;
}
ret = 1;
goto out_shutdown;
} else if (!chip_to_probe) {
/* repeat for convenience when looking at foreign logs */
tempstr = flashbuses_to_text(flashes[0].chip->bustype);
msg_gdbg("Found %s flash chip \"%s\" (%d kB, %s).\n",
flashes[0].chip->vendor, flashes[0].chip->name, flashes[0].chip->total_size, tempstr);
free(tempstr);
}
fill_flash = &flashes[0];
print_chip_support_status(fill_flash->chip);
unsigned int limitexceeded = count_max_decode_exceedings(fill_flash);
if (limitexceeded > 0 && !force) {
enum chipbustype commonbuses = fill_flash->mst->buses_supported & fill_flash->chip->bustype;
/* Sometimes chip and programmer have more than one bus in common,
* and the limit is not exceeded on all buses. Tell the user. */
if ((bitcount(commonbuses) > limitexceeded)) {
msg_pdbg("There is at least one interface available which could support the size of\n"
"the selected flash chip.\n");
}
msg_cerr("This flash chip is too big for this programmer (--verbose/-V gives details).\n"
"Use --force/-f to override at your own risk.\n");
ret = 1;
goto out_shutdown;
}
if (!(read_it | write_it | verify_it | erase_it)) {
msg_ginfo("No operations were specified.\n");
goto out_shutdown;
}
if (layoutfile) {
layout = get_global_layout();
} else if (ifd && (flashrom_layout_read_from_ifd(&layout, fill_flash, NULL, 0) ||
process_include_args(layout))) {
ret = 1;
goto out_shutdown;
} else if (fmap && fmapfile) {
struct stat s;
if (stat(fmapfile, &s) != 0) {
msg_gerr("Failed to stat fmapfile \"%s\"\n", fmapfile);
ret = 1;
goto out_shutdown;
}
size_t fmapfile_size = s.st_size;
uint8_t *fmapfile_buffer = malloc(fmapfile_size);
if (!fmapfile_buffer) {
ret = 1;
goto out_shutdown;
}
if (read_buf_from_file(fmapfile_buffer, fmapfile_size, fmapfile)) {
ret = 1;
free(fmapfile_buffer);
goto out_shutdown;
}
if (flashrom_layout_read_fmap_from_buffer(&layout, fill_flash, fmapfile_buffer, fmapfile_size) ||
process_include_args(layout)) {
ret = 1;
free(fmapfile_buffer);
goto out_shutdown;
}
free(fmapfile_buffer);
} else if (fmap && (flashrom_layout_read_fmap_from_rom(&layout, fill_flash, 0,
fill_flash->chip->total_size * 1024) || process_include_args(layout))) {
ret = 1;
goto out_shutdown;
}
flashrom_layout_set(fill_flash, layout);
flashrom_flag_set(fill_flash, FLASHROM_FLAG_FORCE, !!force);
#if CONFIG_INTERNAL == 1
flashrom_flag_set(fill_flash, FLASHROM_FLAG_FORCE_BOARDMISMATCH, !!force_boardmismatch);
#endif
flashrom_flag_set(fill_flash, FLASHROM_FLAG_VERIFY_AFTER_WRITE, !dont_verify_it);
flashrom_flag_set(fill_flash, FLASHROM_FLAG_VERIFY_WHOLE_CHIP, !dont_verify_all);
/* FIXME: We should issue an unconditional chip reset here. This can be
* done once we have a .reset function in struct flashchip.
* Give the chip time to settle.
*/
programmer_delay(100000);
if (read_it)
ret = do_read(fill_flash, filename);
else if (erase_it)
ret = do_erase(fill_flash);
else if (write_it)
ret = do_write(fill_flash, filename, referencefile);
else if (verify_it)
ret = do_verify(fill_flash, filename);
flashrom_layout_release(layout);
out_shutdown:
programmer_shutdown();
out:
for (i = 0; i < chipcount; i++)
free(flashes[i].chip);
layout_cleanup();
free(filename);
free(fmapfile);
free(referencefile);
free(layoutfile);
free(pparam);
/* clean up global variables */
free((char *)chip_to_probe); /* Silence! Freeing is not modifying contents. */
chip_to_probe = NULL;
#ifndef STANDALONE
free(logfile);
ret |= close_logfile();
#endif /* !STANDALONE */
return ret;
}
