On Thu, Feb 19, 2026 at 10:52:20PM -0500, Sean Anderson wrote: > On 2/19/26 22:12, Fabio Estevam wrote: > > From: Fabio Estevam <[email protected]> > > > > Add support for loading the next stage from an MTD device in SPL. > > > > Introduce CONFIG_SPL_MTD_LOAD and a generic SPL MTD loader > > implementation that uses the MTD subsystem to read the U-Boot payload. > > > > The loader works with any MTD-backed storage, including raw NAND and > > SPI NAND, without being tied to a specific NAND type. > > > > The payload offset defaults to CONFIG_SYS_MTD_U_BOOT_OFFS and can be > > overridden via the device tree property: > > > > u-boot,spl-payload-offset > > > > To support both raw NAND and SPI NAND boot flows, the loader is > > registered for BOOT_DEVICE_NAND and BOOT_DEVICE_SPI. This allows it > > to operate correctly on platforms where the ROM reports either NAND > > or SPI as the boot source while using the same MTD-based loading > > infrastructure. > > > > The required NAND core and SPI NAND drivers are built for SPL when > > CONFIG_SPL_MTD_LOAD is enabled. > > > > This provides reusable infrastructure for boards that boot from MTD > > devices without relying on SPI-specific or NAND-specific SPL loaders. > > > > Signed-off-by: Fabio Estevam <[email protected]> [snip] > > diff --git a/common/spl/Makefile b/common/spl/Makefile > > index 4c9482bd3096..67fc1cd1b396 100644 > > --- a/common/spl/Makefile > > +++ b/common/spl/Makefile > > @@ -35,6 +35,7 @@ obj-$(CONFIG_$(PHASE_)NVME) += spl_nvme.o > > obj-$(CONFIG_$(PHASE_)SEMIHOSTING) += spl_semihosting.o > > obj-$(CONFIG_$(PHASE_)DFU) += spl_dfu.o > > obj-$(CONFIG_$(PHASE_)SPI_LOAD) += spl_spi.o > > +obj-$(CONFIG_SPL_MTD_LOAD) += spl_mtd.o > > Does this need a $(PHASE_)? (I don't know, but the others have it)
For consistency yes, even if we're unlikely to need this in TPL too. -- Tom
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