diff options
Diffstat (limited to 'src/soc/intel/apollolake/spi.c')
| -rw-r--r-- | src/soc/intel/apollolake/spi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/spi.c b/src/soc/intel/apollolake/spi.c index 282ed013a6..7b390bb2b9 100644 --- a/src/soc/intel/apollolake/spi.c +++ b/src/soc/intel/apollolake/spi.c @@ -203,6 +203,11 @@ void spi_init(void) bios_ctl = pci_read_config32(ctx->pci_dev, SPIBAR_BIOS_CONTROL); bios_ctl |= SPIBAR_BIOS_CONTROL_WPD; bios_ctl &= ~SPIBAR_BIOS_CONTROL_EISS; + + /* Enable Prefetching and caching. */ + bios_ctl |= SPIBAR_BIOS_CONTROL_PREFETCH_ENABLE; + bios_ctl &= ~SPIBAR_BIOS_CONTROL_CACHE_DISABLE; + pci_write_config32(ctx->pci_dev, SPIBAR_BIOS_CONTROL, bios_ctl); } |