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b300: search for FPGA images if not provided

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This commit is contained in:
Grant Meyerhoff 2026-08-07 10:02:42 -05:00 committed by Frank Dietze
parent 0b47148652
commit 7a0a5f8085
1 changed files with 47 additions and 4 deletions
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51
host/lib/usrp/b300/b300_image_loader.cpp
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@ -13,14 +13,20 @@
#include <uhd/image_loader.hpp>
#include <uhd/types/byte_vector.hpp>
#include <uhd/utils/log.hpp>
#include <uhd/utils/paths.hpp>
#include <uhd/utils/static.hpp>
#include <uhdlib/usrp/cores/i2c_core_100_wb32.hpp>
#include <algorithm>
#include <cctype>
#include <chrono>
#include <filesystem>
#include <fstream>
#include <thread>
namespace {
constexpr const char* DEFAULT_FPGA_TYPE = "replay";
}
namespace uhd { namespace usrp { namespace b300 {
static const uint32_t READ_DATA_DATA_VALID = (1 << 31);
@ -682,10 +688,47 @@ static bool b300_image_loader(const image_loader::image_loader_args_t& image_loa
if (devs.empty())
return false;
else if (devs.size() > 1) {
std::string err_msg =
"Could not resolve given args to a single B3xx-Series device.\n"
"Applicable devices:\n";
if (not std::filesystem::exists(image_loader_args.fpga_path)) {
throw uhd::runtime_error(
"Could not find image at path " + image_loader_args.fpga_path);
for (const uhd::device_addr_t& dev : devs) {
err_msg += " * " + dev.get("product", "b3xx")
+ " (resource=" + dev.get("resource") + ")\n";
}
err_msg += "\nSpecify one of these devices with the given args to load an image "
"onto it.";
throw uhd::runtime_error(err_msg);
}
std::string fpga_path_to_program = image_loader_args.fpga_path;
if (!image_loader_args.fpga_path.empty()) {
if (not std::filesystem::exists(image_loader_args.fpga_path)) {
throw uhd::runtime_error(
"Could not find image at path " + image_loader_args.fpga_path);
}
} else {
std::string product_name = devs[0].get("product", "UNKNOWN");
std::transform(product_name.begin(),
product_name.end(),
product_name.begin(),
[](unsigned char c) { return static_cast<char>(std::tolower(c)); });
if (product_name == "unknown") {
throw uhd::runtime_error(
"Could not determine product name for the device. "
"Please either ensure the mb eeprom is programmed correctly "
"using the usrp_burn_mb_eeprom utility, or provide the FPGA path to "
"program explicitly with the '--fpga-path' argument.");
}
fpga_path_to_program = uhd::find_image_path(
"usrp_" + product_name + "_fpga_"
+ image_loader_args.args.get("fpga", DEFAULT_FPGA_TYPE) + ".bit");
}
for (size_t i = 0; i < devs.size(); ++i) {
@ -696,7 +739,7 @@ static bool b300_image_loader(const image_loader::image_loader_args_t& image_loa
b300_image_loader_helper image_loader_helper(
[pcie_mgr](uint32_t addr) { return pcie_mgr->peek32(addr); },
[pcie_mgr](uint32_t addr, uint32_t value) { pcie_mgr->poke32(addr, value); });
image_loader_helper.writeBinToFlash(image_loader_args.fpga_path);
image_loader_helper.writeBinToFlash(fpga_path_to_program);
}
return true;