diff options
| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2015-11-24 14:11:58 -0600 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2016-02-01 22:04:24 +0100 |
| commit | 51c31696f2fbff988f1de11ca36895f357c3a52a (patch) | |
| tree | 62fcf86e2346e5884de8355fe756f8403f40c959 /src | |
| parent | 919c459c17e77c290f77a092c3af3bff38951ab0 (diff) | |
southbridge/amd/sb700: Enable extended APIC ID when Kconfig option set
Change-Id: I52fc2c2294edead3b5dacf397c0a1ab2e08b1e3f
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/13160
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/southbridge/amd/sb700/sm.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/southbridge/amd/sb700/sm.c b/src/southbridge/amd/sb700/sm.c index 5f6d20e688..6d93b172f1 100644 --- a/src/southbridge/amd/sb700/sm.c +++ b/src/southbridge/amd/sb700/sm.c @@ -308,9 +308,11 @@ static void sm_init(device_t dev) dword |= 0x1; pci_write_config32(dev, SB_MMIO_CFG_REG, dword); } - //ACPI_DISABLE_TIMER_IRQ_ENHANCEMENT_FOR_8254_TIMER byte = pci_read_config8(dev, 0xAE); - byte |= 1 << 5; + if (IS_ENABLED(CONFIG_ENABLE_APIC_EXT_ID)) + byte |= 1 << 4; + byte |= 1 << 5; /* ACPI_DISABLE_TIMER_IRQ_ENHANCEMENT_FOR_8254_TIMER */ + byte |= 1 << 6; /* Enable arbiter between APIC and PIC interrupts */ pci_write_config8(dev, 0xAE, byte); /* 4.11:Programming Cycle Delay for AB and BIF Clock Gating */ |