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fomu-flash: make DEBUG_ICE40_PATCH work better

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Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2019-02-26 13:08:13 +08:00
parent 4156a37d72
commit f4297532d0
1 changed files with 18 additions and 5 deletions
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21
fomu-flash.c
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@ -187,6 +187,7 @@ int main(int argc, char **argv) {
enum spi_type spi_type = ST_SINGLE;
struct irw_file *replacement_rom = NULL;
#ifndef DEBUG_ICE40_PATCH
if (gpioInitialise() < 0) {
fprintf(stderr, "Unable to initialize GPIO\n");
return 1;
@ -197,6 +198,7 @@ int main(int argc, char **argv) {
// original had it as BCM 21.
if ((gpioHardwareRevision() == 2) || (gpioHardwareRevision() == 3))
F_RESET = 21;
#endif
spi = spiAlloc();
fpga = fpgaAlloc();
@ -363,6 +365,7 @@ int main(int argc, char **argv) {
return 1;
}
#ifndef DEBUG_ICE40_PATCH
spiInit(spi);
fpgaInit(fpga);
@ -371,6 +374,16 @@ int main(int argc, char **argv) {
if (spi_flash_bytes != -1)
spiOverrideSize(spi, spi_flash_bytes);
#else
if (op != OP_FPGA_BOOT) {
printf("DEBUG_ICE40_PATCH requires you load a bitstream with '-f'\n");
return 9;
}
if (!replacement_rom) {
printf("DEBUG_ICE40_PATCH requires you load a replacement rom with '-l'\n");
return 10;
}
#endif
switch (op) {
case OP_SPI_ID: {
@ -504,14 +517,13 @@ offset, file_src[offset], spi_src[offset]);
case OP_FPGA_BOOT: {
int count;
#ifndef DEBUG_ICE40_PATCH
spiHold(spi);
spiSwapTxRx(spi);
fpgaResetSlave(fpga);
fprintf(stderr, "FPGA Done? %d\n", fpgaDone(fpga));
spiBegin(spi);
#endif
if (replacement_rom) {
IRW_FILE *bitstream = irw_open(op_filename, "r");
if (!bitstream) {
@ -519,7 +531,8 @@ offset, file_src[offset], spi_src[offset]);
break;
}
#ifdef DEBUG_ICE40_PATCH
IRW_FILE *spidev = irw_open("foboot-patched-broken.bin", "w");
IRW_FILE *spidev = irw_open("foboot-patched.bin", "w");
return ice40_patch(bitstream, replacement_rom, spidev, 8192);
#else
IRW_FILE *spidev = irw_open_fake(spi, spi_irw_readb, spi_irw_writeb);
#endif