diff options
| -rw-r--r-- | src/southbridge/amd/sb700/sb700_early_setup.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/southbridge/amd/sb700/sb700_early_setup.c b/src/southbridge/amd/sb700/sb700_early_setup.c index 8c268d60af..9f8d44f6c7 100644 --- a/src/southbridge/amd/sb700/sb700_early_setup.c +++ b/src/southbridge/amd/sb700/sb700_early_setup.c @@ -129,6 +129,11 @@ static void sb700_lpc_init(void) reg8 |= (1 << 5) | (1 << 6); pci_write_config8(dev, 0x47, reg8); + /* Enable PrefetchEnSPIFromHost to speed up SPI flash read (does not affect LPC) */ + reg8 = pci_read_config8(dev, 0xbb); + reg8 |= 1 << 0; + pci_write_config8(dev, 0xbb, reg8); + /* SuperIO, LPC ROM */ reg8 = pci_read_config8(dev, 0x48); /* Decode ports 0x2e-0x2f, 0x4e-0x4f (SuperI/O configuration) */ |