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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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23
fomu-flash.c
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@@ -187,6 +187,7 @@ int main(int argc, char **argv) {
enum spi_type spi_type = ST_SINGLE; enum spi_type spi_type = ST_SINGLE;
struct irw_file *replacement_rom = NULL; struct irw_file *replacement_rom = NULL;
#ifndef DEBUG_ICE40_PATCH
if (gpioInitialise() < 0) { if (gpioInitialise() < 0) {
fprintf(stderr, "Unable to initialize GPIO\n"); fprintf(stderr, "Unable to initialize GPIO\n");
return 1; return 1;
@@ -197,8 +198,9 @@ int main(int argc, char **argv) {
// original had it as BCM 21. // original had it as BCM 21.
if ((gpioHardwareRevision() == 2) || (gpioHardwareRevision() == 3)) if ((gpioHardwareRevision() == 2) || (gpioHardwareRevision() == 3))
F_RESET = 21; F_RESET = 21;
#endif
spi = spiAlloc(); spi = spiAlloc();
fpga = fpgaAlloc(); fpga = fpgaAlloc();
spiSetPin(spi, SP_CLK, S_CLK); spiSetPin(spi, SP_CLK, S_CLK);
@@ -363,6 +365,7 @@ int main(int argc, char **argv) {
return 1; return 1;
} }
#ifndef DEBUG_ICE40_PATCH
spiInit(spi); spiInit(spi);
fpgaInit(fpga); fpgaInit(fpga);
@@ -371,6 +374,16 @@ int main(int argc, char **argv) {
if (spi_flash_bytes != -1) if (spi_flash_bytes != -1)
spiOverrideSize(spi, spi_flash_bytes); 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) { switch (op) {
case OP_SPI_ID: { case OP_SPI_ID: {
@@ -504,14 +517,13 @@ offset, file_src[offset], spi_src[offset]);
case OP_FPGA_BOOT: { case OP_FPGA_BOOT: {
int count; int count;
#ifndef DEBUG_ICE40_PATCH
spiHold(spi); spiHold(spi);
spiSwapTxRx(spi); spiSwapTxRx(spi);
fpgaResetSlave(fpga); fpgaResetSlave(fpga);
fprintf(stderr, "FPGA Done? %d\n", fpgaDone(fpga)); fprintf(stderr, "FPGA Done? %d\n", fpgaDone(fpga));
spiBegin(spi); spiBegin(spi);
#endif
if (replacement_rom) { if (replacement_rom) {
IRW_FILE *bitstream = irw_open(op_filename, "r"); IRW_FILE *bitstream = irw_open(op_filename, "r");
if (!bitstream) { if (!bitstream) {
@@ -519,7 +531,8 @@ offset, file_src[offset], spi_src[offset]);
break; break;
} }
#ifdef DEBUG_ICE40_PATCH #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 #else
IRW_FILE *spidev = irw_open_fake(spi, spi_irw_readb, spi_irw_writeb); IRW_FILE *spidev = irw_open_fake(spi, spi_irw_readb, spi_irw_writeb);
#endif #endif