diff options
Diffstat (limited to 'src/soc/amd/stoneyridge/southbridge.c')
| -rw-r--r-- | src/soc/amd/stoneyridge/southbridge.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/southbridge.c b/src/soc/amd/stoneyridge/southbridge.c index 591a8f7c9f..18e6c6c59d 100644 --- a/src/soc/amd/stoneyridge/southbridge.c +++ b/src/soc/amd/stoneyridge/southbridge.c @@ -375,6 +375,13 @@ static void sb_enable_cf9_io(void) pm_write32(PM_DECODE_EN, reg | CF9_IO_EN); } +static void sb_enable_legacy_io(void) +{ + uint32_t reg = pm_read32(PM_DECODE_EN); + + pm_write32(PM_DECODE_EN, reg | LEGACY_IO_EN); +} + void sb_clk_output_48Mhz(void) { u32 ctrl; @@ -550,6 +557,7 @@ void bootblock_fch_early_init(void) sb_disable_4dw_burst(); /* Must be disabled on CZ(ST) */ sb_acpi_mmio_decode(); sb_enable_cf9_io(); + sb_enable_legacy_io(); enable_aoac_devices(); } |