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tftpboot: set phram erase block size to match hardware

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this is needed for tftp boot with a jffs2 filesystem
This commit is contained in:
Daniel Barlow
2023-04-23 18:23:05 +01:00
parent 6adab44fcf
commit 2f3b108ef1
3 changed files with 3 additions and 1 deletions
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2
modules/tftpboot.nix
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@@ -34,7 +34,7 @@ in {
rootfsStart=0x$(printf %x $((${cfg.loadAddress} + 0x100000 + $uimageSize)))
rootfsBytes=$(($(stat -L -c %s ${config.outputs.rootfs}) + 0x100000 &(~0xfffff)))
rootfsMb=$(($rootfsBytes >> 20))
cmd="mtdparts=phram0:''${rootfsMb}M(rootfs) phram.phram=phram0,''${rootfsStart},''${rootfsMb}Mi memmap=''${rootfsMb}M\$''${rootfsStart} root=1f00";
cmd="mtdparts=phram0:''${rootfsMb}M(rootfs) phram.phram=phram0,''${rootfsStart},''${rootfsMb}Mi,${config.hardware.flash.eraseBlockSize} memmap=''${rootfsMb}M\$''${rootfsStart} root=/dev/mtdblock0";
cat > $out << EOF
setenv serverip ${cfg.serverip}