luke
/
prjpeppercorn
mirror of https://github.com/YosysHQ/prjpeppercorn.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

gmpack: add bootaddr parameter for secondary bitstreams

This commit is contained in:
Patrick Urban 2025-10-15 17:24:12 +02:00
parent 72bc122449
commit 4597d1de96
2 changed files with 34 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
libgm/src/Bitstream.cpp
View File

@ -43,7 +43,7 @@ static constexpr const uint8_t CMD_FRAM = 0xd2;
static constexpr const uint8_t CMD_SERDES = 0xd7; //
static constexpr const uint8_t CMD_D2D = 0xd8; //
static constexpr const uint8_t CMD_PATH = 0xd9;
static constexpr const uint8_t CMD_JUMP = 0xda; //
static constexpr const uint8_t CMD_JUMP = 0xda;
static constexpr const uint8_t CMD_CHG_STATUS = 0xdb;
static constexpr const uint8_t CMD_WAIT_PLL = 0xdc; //
static constexpr const uint8_t CMD_SPLL = 0xdd;
@ -266,6 +266,17 @@ class BitstreamReadWriter
write_nops(4);
}
void write_cmd_jump(uint32_t addr)
{
write_header(CMD_JUMP, 4);
write_byte(uint8_t(addr & 0xFF));
write_byte(uint8_t((addr >> 8UL) & 0xFF));
write_byte(uint8_t((addr >> 16UL) & 0xFF));
write_byte(uint8_t((addr >> 24UL) & 0xFF));
insert_crc16();
write_nops(2);
}
void write_cmd_cfgmode(uint8_t crcmode, std::vector<uint8_t> spimode)
{
write_header(CMD_CFGMODE, spimode.size() > 0 ? 6 : 2);
@ -1005,7 +1016,10 @@ Bitstream Bitstream::serialise_chip(const Chip &chip, const std::map<std::string
cfg_stat |= CFG_STOP | CFG_DONE;
if (options.count("reconfig")) {
cfg_stat |= CFG_RECONFIG | CFG_CPE_CFG;
cfg_stat |= CFG_RECONFIG;
}
if (options.count("cpeconfig")) {
cfg_stat |= CFG_CPE_CFG;
}
}
if (!die.is_serdes_cfg_empty()) {
@ -1016,6 +1030,13 @@ Bitstream Bitstream::serialise_chip(const Chip &chip, const std::map<std::string
}
wr.write_cmd_chg_status(cfg_stat, die_config);
if (d == 0) {
if (options.count("bootaddr")) {
uint32_t bootaddr = std::strtoul(options.at("bootaddr").c_str(), nullptr, 0);
wr.write_cmd_jump(bootaddr);
}
}
}
return Bitstream(wr.get());
}

12
libgm/tools/gmpack.cpp
View File

@ -37,10 +37,12 @@ int main(int argc, char *argv[])
po::options_description options("Allowed options");
options.add_options()("help,h", "show help");
options.add_options()("verbose,v", "verbose output");
options.add_options()("reset", "Reset all configuration latches with CMD_CFGRST");
options.add_options()("reset", "reset all configuration latches with CMD_CFGRST");
options.add_options()("crcmode", po::value<std::string>(), "CRC error behaviour (check, ignore, unused)");
options.add_options()("spimode", po::value<std::string>(), "SPI Mode to use (single, dual, quad)");
options.add_options()("reconfig", "enable reconfiguration in bitstream");
options.add_options()("cpeconfig", "enable CPE configuration interface");
options.add_options()("bootaddr", po::value<int>(), "boot address for secondary bitstream");
po::positional_options_description pos;
options.add_options()("input", po::value<std::string>()->required(), "input textual configuration");
pos.add("input", 1);
@ -99,6 +101,14 @@ int main(int argc, char *argv[])
bitopts["reconfig"] = "yes";
}
if (vm.count("cpeconfig")) {
bitopts["cpeconfig"] = "yes";
}
if (vm.count("bootaddr")) {
bitopts["bootaddr"] = std::to_string(vm["bootaddr"].as<int>());
}
std::string textcfg((std::istreambuf_iterator<char>(config_file)), std::istreambuf_iterator<char>());
ChipConfig cc;