On Wed, Aug 26, 2026 at 04:12:06AM +0530, AK Sharma wrote: > Add the EcoNet EN7528 board: board glue, the reference/RAM/tclinux and > JCOW414 R3-hook defconfigs, board header and default environment. > > Signed-off-by: AK Sharma <[email protected]> [snip] > diff --git a/board/econet/en7528/MAINTAINERS b/board/econet/en7528/MAINTAINERS > new file mode 100644 > index 00000000..69cefe4a > --- /dev/null > +++ b/board/econet/en7528/MAINTAINERS > @@ -0,0 +1,13 @@ > +ECONET/AIROHA EN75XX > +M: AK Sharma <[email protected]> > +S: Maintained > +F: arch/mips/mach-en75xx/ > +F: arch/mips/dts/econet,en7528* > +F: board/econet/en7528/ > +F: configs/en7528_*_defconfig > +F: defenvs/en7528_jcow414_r3hook_env > +F: doc/board/econet/en7528.rst > +F: doc/board/econet/index.rst > +F: drivers/mtd/nand/spi/en75_bmt.* > +F: drivers/serial/serial_en75xx.c > +F: include/configs/en7528.h
You should make use of the "N:" format to match on things like en75xx or en7528 and so forth. [snip] > diff --git a/board/econet/en7528/mk_tclinux_uboot.py > b/board/econet/en7528/mk_tclinux_uboot.py > new file mode 100644 > index 00000000..d63f46a3 > --- /dev/null > +++ b/board/econet/en7528/mk_tclinux_uboot.py > @@ -0,0 +1,112 @@ > +#!/usr/bin/env python3 > +""" > +Package U-Boot as an EcoNet/TrendChip "tclinux" HDR2 image, so the stock > +bootbase will load and run it exactly the way it loads the stock kernel. > + > +The bootbase decompresses a slot's LZMA payload to a fixed 0x80002000 and > jumps > +there. U-Boot cannot be linked at that address (MIPS relocation needs the > +relocation delta 64 KiB aligned, and reserve_uboot() force-aligns relocaddr > to > +64 KiB, so a TEXT_BASE of 0x80002000 always panics "Mis-aligned relocation"). > +So the payload is a small relocator stub followed by a U-Boot linked at > +0x81000000; the stub copies it up and jumps. > + > + payload = [stub @0x80002000][pad to 0x100][u-boot.bin linked @0x81000000] > + image = [HDR2 header 0x100][LZMA(payload)] > + > +Header layout, confirmed against the stock image on a live board > +(0x100 + kernel_len + rootfs_len == total, exactly): > + > + 0x00 "HDR2" > + 0x08 u32 LE total size, including the 0x100 header > + 0x0c u32 LE JAMCRC of everything after the header > + 0x10 version string > + 0x50 u32 LE kernel length > + 0x54 u32 LE rootfs length > + 0x100 LZMA kernel, then the rootfs > + > +Usage: mk_tclinux_uboot.py <stub.bin> <u-boot.bin> <out.trx> [version] > +""" This should be part of the binman support I believe. -- Tom
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