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fomu-flash: add -i option to print id codes 

Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2018-11-29 04:27:29 -05:00
parent a9af9820be
commit fed97ce846
1 changed files with 59 additions and 16 deletions
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75
fomu-flash.c
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@ -70,6 +70,7 @@ enum op {
OP_SPI_WRITE,
OP_SPI_VERIFY,
OP_SPI_PEEK,
OP_SPI_ID,
OP_FPGA_BOOT,
OP_FPGA_RESET,
OP_UNKNOWN,
@ -93,7 +94,7 @@ static int pinspec_to_pinname(char code) {
}
}
int print_pinspec(FILE *stream) {
static int print_pinspec(FILE *stream) {
fprintf(stream, "Pinspec:\n");
fprintf(stream, " Name Description Default\n");
fprintf(stream, " 0 SPI D0 %d\n", S_D0);
@ -112,21 +113,30 @@ int print_pinspec(FILE *stream) {
return 0;
}
int print_help(FILE *stream, const char *progname) {
fprintf(stream, "Fomu Raspberry Pi Flash Utilities\n");
fprintf(stream, "Usage:\n");
fprintf(stream, " %s [-h] [-r] [-p offset] [-f bin] [-w bin] [-v bin] [-s out] [-g pinspec]\n", progname);
fprintf(stream, "Flags:\n");
static int print_program_modes(FILE *stream) {
fprintf(stream, " -h This help page\n");
fprintf(stream, " -r Reset the FPGA and have it boot from SPI\n");
fprintf(stream, " -i Print out the SPI ID code\n");
fprintf(stream, " -p offset Peek at 256 bytes of SPI flash at the specified offset\n");
fprintf(stream, " -f bin Load this binary directly into the FPGA\n");
fprintf(stream, " -w bin Write this binary into the SPI flash chip\n");
fprintf(stream, " -v bin Verify the SPI flash contains this data\n");
fprintf(stream, " -s out Save the SPI flash contents to this file\n");
return 0;
}
static int print_help(FILE *stream, const char *progname) {
fprintf(stream, "Fomu Raspberry Pi Flash Utilities\n");
fprintf(stream, "Usage:\n");
fprintf(stream, "%15s (-[hri] | [-p offset] | [-f bin] | [-w bin] | [-v bin] | [-s out])\n", progname);
fprintf(stream, " [-g pinspec] [-t spitype] [-r]\n");
fprintf(stream, "Program mode (pick one):\n");
print_program_modes(stream);
fprintf(stream, "Configuration options:\n");
fprintf(stream, " -g ps Set the pin assignment with the given pinspec\n");
fprintf(stream, " -t type Set the number of bits to use for SPI (1, 2, 4, or Q)\n");
fprintf(stream, "You can remap various pins with -g. The format is [name]:[number].\n");
fprintf(stream, "\n");
fprintf(stream, "The width of SPI can be set with 't [width]'. Valid widths are:\n");
fprintf(stream, " 1 - standard 1-bit spi\n");
fprintf(stream, " 2 - standard 2-bit spi\n");
@ -137,6 +147,12 @@ int print_help(FILE *stream, const char *progname) {
return 0;
}
static int print_usage_error(FILE *stream) {
fprintf(stream, "Error: You must only specify one program mode:\n");
print_program_modes(stream);
return 1;
}
int main(int argc, char **argv) {
int opt;
int fd;
@ -170,14 +186,24 @@ int main(int argc, char **argv) {
return 1;
}
while ((opt = getopt(argc, argv, "hp:rf:w:s:2:3:v:g:t:")) != -1) {
while ((opt = getopt(argc, argv, "hip:rf:w:s:2:3:v:g:t:")) != -1) {
switch (opt) {
case 'r':
if (op != OP_UNKNOWN)
return print_usage_error(stdout);
op = OP_FPGA_RESET;
break;
case 'i':
if (op != OP_UNKNOWN)
return print_usage_error(stdout);
op = OP_SPI_ID;
break;
case 'p':
if (op != OP_UNKNOWN)
return print_usage_error(stdout);
op = OP_SPI_PEEK;
peek_offset = strtoul(optarg, NULL, 0);
break;
@ -221,6 +247,8 @@ int main(int argc, char **argv) {
break;
case 'f':
if (op != OP_UNKNOWN)
return print_usage_error(stdout);
op = OP_FPGA_BOOT;
if (op_filename)
free(op_filename);
@ -228,6 +256,8 @@ int main(int argc, char **argv) {
break;
case 'w':
if (op != OP_UNKNOWN)
return print_usage_error(stdout);
op = OP_SPI_WRITE;
if (op_filename)
free(op_filename);
@ -235,6 +265,8 @@ int main(int argc, char **argv) {
break;
case 'v':
if (op != OP_UNKNOWN)
return print_usage_error(stdout);
op = OP_SPI_VERIFY;
if (op_filename)
free(op_filename);
@ -242,6 +274,8 @@ int main(int argc, char **argv) {
break;
case 's':
if (op != OP_UNKNOWN)
return print_usage_error(stdout);
op = OP_SPI_READ;
if (op_filename)
free(op_filename);
@ -262,10 +296,26 @@ int main(int argc, char **argv) {
spiInit(spi);
fpgaInit(fpga);
spiSetType(spi, spi_type);
fpgaReset(fpga);
switch (op) {
case OP_SPI_ID: {
struct spi_id id = spiId(spi);
printf("Device ID: %02x\n", id.device_id);
if (id.device_id != id.signature)
printf("!! Electronic Signature: %02x\n", id.signature);
printf("Manufacturer ID: %02x\n", id.manufacturer_id);
if (id.manufacturer_id != id._manufacturer_id)
printf("!! JEDEC Manufacturer ID: %02x\n",
id._manufacturer_id);
printf("Memory type: %02x\n", id.memory_type);
printf("Memory size: %02x\n", id.memory_size);
printf("Serial number: %02x %02x %02x %02x\n", id.serial[0], id.serial[1], id.serial[2], id.serial[3]);
break;
}
case OP_SPI_READ: {
spiSetType(spi, spi_type);
fpgaReset(fpga);
fd = open(op_filename, O_WRONLY | O_CREAT | O_TRUNC, 0777);
if (fd == -1) {
perror("unable to open output file");
@ -283,8 +333,6 @@ int main(int argc, char **argv) {
}
case OP_SPI_WRITE: {
spiSetType(spi, spi_type);
fpgaReset(fpga);
fd = open(op_filename, O_RDONLY);
if (fd == -1) {
perror("unable to open input file");
@ -312,9 +360,6 @@ int main(int argc, char **argv) {
}
case OP_SPI_VERIFY: {
spiSetType(spi, spi_type);
fpgaReset(fpga);
fd = open(op_filename, O_RDONLY);
if (fd == -1) {
perror("unable to open input file");
@ -351,8 +396,6 @@ offset, file_src[offset], spi_src[offset]);
}
case OP_SPI_PEEK: {
fpgaReset(fpga);
spiSetType(spi, spi_type);
uint8_t page[256];
spiRead(spi, peek_offset, page, sizeof(page));
print_hex_offset(stdout, page, sizeof(page), 0, 0);