diff options
| -rw-r--r-- | src/soc/amd/stoneyridge/early_setup.c | 9 |
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; |