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x86: link: Add PCH driver to support SPI Flash

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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>
This commit is contained in:
Simon Glass 2015-04-20 07:07:03 -06:00
parent 8712af97e7
commit 87f4cd3a30
2 changed files with 12 additions and 1 deletions
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11
arch/x86/cpu/coreboot/pci.c
View File

@ -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,
};

2
arch/x86/dts/chromebook_link.dts
View File

@ -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>;