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-rw-r--r--src/soc/amd/stoneyridge/early_setup.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/soc/amd/stoneyridge/early_setup.c b/src/soc/amd/stoneyridge/early_setup.c
index 68bccc4456..ca3447f6a7 100644
--- a/src/soc/amd/stoneyridge/early_setup.c
+++ b/src/soc/amd/stoneyridge/early_setup.c
@@ -242,13 +242,16 @@ static uintptr_t hudson_spibase(void)
{
/* Make sure the base address is predictable */
device_t dev = PCI_DEV(0, PCU_DEV, LPC_FUNC);
+ u32 base, enables;
+
+ base = pci_read_config32(dev, SPIROM_BASE_ADDRESS_REGISTER);
+ enables = base & 0xf;
+ base &= ~0x3f;
- u32 base = pci_read_config32(dev, SPIROM_BASE_ADDRESS_REGISTER)
- & 0xfffffff0;
if (!base) {
base = SPI_BASE_ADDRESS;
pci_write_config32(dev, SPIROM_BASE_ADDRESS_REGISTER, base
- | SPI_ROM_ENABLE);
+ | enables | SPI_ROM_ENABLE);
/* PCI_COMMAND_MEMORY is read-only and enabled. */
}
return (uintptr_t)base;