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change the qspi script and uuu to burn large file to flash #482

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change the qspi script and uuu to burn large file to flash #482

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11fa277
replace all @off and @size in loop
hanxu-nxp Jul 28, 2025
5b748e5
burn large file in some chunks for spi nor.
hanxu-nxp Jul 16, 2025
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25 changes: 17 additions & 8 deletions libuuu/fastboot.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1082,19 +1082,28 @@ string FBLoop::build_cmd(string& cmd, size_t off, size_t sz)
{
string ucmd="UCmd: ";
ucmd += cmd;
size_t pos;

string_ex ex;

size_t pos= ucmd.find("@off");
if (pos != string::npos) {
ex.format("0x%llx", off);
ucmd = ucmd.replace(pos, 4, ex);
while(1) {
pos= ucmd.find("@off");
if (pos != string::npos) {
ex.format("0x%llx", off);
ucmd = ucmd.replace(pos, 4, ex);
} else {
break;
}
}

pos = ucmd.find("@size");
if (pos != string::npos) {
ex.format("0x%llx", sz);
ucmd = ucmd.replace(pos, 5, ex);
while (1) {
pos = ucmd.find("@size");
if (pos != string::npos) {
ex.format("0x%llx", sz);
ucmd = ucmd.replace(pos, 5, ex);
} else {
break;
}
}

return ucmd;
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7 changes: 6 additions & 1 deletion uuu/qspi_burn_loader.lst
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Expand Up @@ -33,11 +33,16 @@ FB: ucmd if test ! -n "$fastboot_bytes"; then setenv fastboot_bytes $filesize; e

# Check Image if include flexspi header
FB: ucmd if qspihdr dump ${fastboot_buffer}; then setenv qspihdr_exist yes; else setenv qspihdr_exist no; fi;
# Check Image size if larger than 16M, then use uboot command to write image
FB: ucmd if itest ${fastboot_buffer} -gt 1000000; then setenv qspihdr_large yes; else setenv qspihdr_large no; fi;

FB[-t 60000]: ucmd if test ${qspihdr_exist} = yes; then qspihdr init ${fastboot_buffer} ${fastboot_bytes} safe; else true; fi;
FB[-t 60000]: ucmd if test ${qspihdr_exist} = yes -a ${qspihdr_large} = no; then qspihdr init ${fastboot_buffer} ${fastboot_bytes} safe; else true; fi;

#if uboot can't support qspihdr command, use uboot image to write qspi image, which require image include qspi flash header
FB: ucmd if test ${qspihdr_exist} = no; then sf probe; else true; fi;
FB[-t 40000]: ucmd if test ${qspihdr_exist} = no; then sf erase 0 +${fastboot_bytes}; else true; fi;
FB[-t 20000]: ucmd if test ${qspihdr_exist} = no; then sf write ${fastboot_buffer} 0 ${fastboot_bytes}; else true; fi;
# if Image is larger than 16M, use uboot command to write image
FB: ucmd if test ${qspihdr_large} = yes; then sf probe; else true; fi;
FB: write -f _image -format "sf erase @off +@size; sf write ${fastboot_buffer} @off @size" -blksz 1 -each 0x100000
FB: done
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