diff options
Diffstat (limited to 'src/soc/amd/stoneyridge/lpc.c')
| -rw-r--r-- | src/soc/amd/stoneyridge/lpc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/soc/amd/stoneyridge/lpc.c b/src/soc/amd/stoneyridge/lpc.c index 10f4a4b7df..eb512817b6 100644 --- a/src/soc/amd/stoneyridge/lpc.c +++ b/src/soc/amd/stoneyridge/lpc.c @@ -76,11 +76,12 @@ static void lpc_init(device_t dev) pci_write_config8(dev, LPC_MISC_CONTROL_BITS, byte); /* - * bit3: Fix SPI_CS# timing issue when running at 66M. TODO:A12. - * todo: verify against BKDG + * IMC is not used, but some of its registers and ports need to be + * programmed/accessed. So enable CPU access to them. This fixes + * SPI_CS# timing issue when running at 66MHz. */ byte = pci_read_config8(dev, LPC_HOST_CONTROL); - byte |= SPI_FROM_HOST_PREFETCH_EN | 1 << 3; + byte |= IMC_PAGE_FROM_HOST_EN | IMC_PORT_FROM_HOST_EN; pci_write_config8(dev, LPC_HOST_CONTROL, byte); cmos_check_update_date(); |