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icestorm
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Merge 6de4d5cec6 into f31c39cc2e

This commit is contained in:
Kemal Afzal 2025-06-15 02:52:32 -06:00 committed by GitHub
parent f31c39cc2e 6de4d5cec6
commit 60331cf5bc
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GPG Key ID: B5690EEEBB952194
1 changed files with 19 additions and 5 deletions
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24
icepack/icepack.cc
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@ -122,7 +122,7 @@ struct FpgaConfig
void write_bits(std::ostream &ofs) const;
// icebox i/o
void read_ascii(std::istream &ifs, bool nosleep);
void read_ascii(std::istream &ifs, bool nosleep, const std::string& freqrange);
void write_ascii(std::ostream &ofs) const;
// netpbm i/o
@ -612,7 +612,7 @@ void FpgaConfig::write_bits(std::ostream &ofs) const
write_byte(ofs, crc_value, file_offset, 0x00);
}
void FpgaConfig::read_ascii(std::istream &ifs, bool nosleep)
void FpgaConfig::read_ascii(std::istream &ifs, bool nosleep, const std::string& freqrange)
{
debug("## %s\n", __PRETTY_FUNCTION__);
info("Parsing ascii file..\n");
@ -620,7 +620,7 @@ void FpgaConfig::read_ascii(std::istream &ifs, bool nosleep)
bool got_device = false;
this->cram.clear();
this->bram.clear();
this->freqrange = "low";
this->freqrange = freqrange;
this->warmboot = "enabled";
bool reuse_line = true;
@ -1361,6 +1361,9 @@ void usage(const char *cmd)
log(" -B0, -B1, -B2, -B3\n");
log(" only include the specified bank in the netpbm file\n");
log("\n");
log(" -Fl, -Fm, -Fh\n");
log(" set the frequency range of the internal oscillator (low, medium, high)\n");
log("\n");
log(" -n\n");
log(" skip initializing BRAM\n");
log("\n");
@ -1391,6 +1394,7 @@ int main(int argc, char **argv)
bool skip_bram_initialization = false;
int netpbm_banknum = -1;
int checkerboard_m = 1;
std::string freqrange = "low";
for (int i = 0; argv[0][i]; i++)
if (string(argv[0]+i) == "iceunpack")
@ -1425,6 +1429,16 @@ int main(int argc, char **argv)
log_level++;
} else if (arg[i] == 'n') {
skip_bram_initialization = true;
} else if (arg[i] == 'F') {
char speed = arg[++i];
if (speed == 'l')
freqrange = "low";
else if (speed == 'm')
freqrange = "medium";
else if (speed == 'h')
freqrange = "high";
else
usage(argv[0]);
} else
usage(argv[0]);
continue;
@ -1462,14 +1476,14 @@ int main(int argc, char **argv)
FpgaConfig fpga_config;
fpga_config.skip_bram_initialization = skip_bram_initialization;
fpga_config.skip_bram_initialization = skip_bram_initialization;
if (unpack_mode) {
fpga_config.read_bits(*isp);
if (!netpbm_mode)
fpga_config.write_ascii(*osp);
} else {
fpga_config.read_ascii(*isp, nosleep_mode);
fpga_config.read_ascii(*isp, nosleep_mode, freqrange);
if (!netpbm_mode)
fpga_config.write_bits(*osp);
}