U-Boot on coreboot does not have a driver for the PCH so cannot see the SPI peripheral now that it has moved inside the PCH. Add a simple driver so that SPI flash works again.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/x86/cpu/coreboot/pci.c | 11 +++++++++++ arch/x86/dts/chromebook_link.dts | 2 +- 2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/arch/x86/cpu/coreboot/pci.c b/arch/x86/cpu/coreboot/pci.c index fa415dd..67eb14c 100644 --- a/arch/x86/cpu/coreboot/pci.c +++ b/arch/x86/cpu/coreboot/pci.c @@ -34,3 +34,14 @@ U_BOOT_DRIVER(pci_x86_drv) = { .of_match = pci_x86_ids, .ops = &pci_x86_ops, }; + +static const struct udevice_id generic_pch_ids[] = { + { .compatible = "intel,pch" }, + { } +}; + +U_BOOT_DRIVER(generic_pch_drv) = { + .name = "pch", + .id = UCLASS_PCH, + .of_match = generic_pch_ids, +}; diff --git a/arch/x86/dts/chromebook_link.dts b/arch/x86/dts/chromebook_link.dts index b450c3c..7c7034c 100644 --- a/arch/x86/dts/chromebook_link.dts +++ b/arch/x86/dts/chromebook_link.dts @@ -181,7 +181,7 @@
pch { reg = <0x0000f800 0 0 0 0>; - compatible = "intel,bd82x6x"; + compatible = "intel,bd82x6x", "intel,pch"; u-boot,dm-pre-reloc; #address-cells = <1>; #size-cells = <1>;