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From 6badc1a8783f8916d9f66026bef02781f6397dec Mon Sep 17 00:00:00 2001
From: Timothy Pearson <tpearson@raptorengineeringinc.com>
Date: Tue, 24 Nov 2015 14:11:58 -0600
Subject: [PATCH 28/45] southbridge/amd/sb700: Enable extended APIC ID when
Kconfig option set
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
---
src/southbridge/amd/sb700/sm.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/southbridge/amd/sb700/sm.c b/src/southbridge/amd/sb700/sm.c
index 942e4f8..0d017aa 100644
--- a/src/southbridge/amd/sb700/sm.c
+++ b/src/southbridge/amd/sb700/sm.c
@@ -298,9 +298,11 @@ static void sm_init(device_t dev)
byte |= 1 << 3;
pci_write_config8(dev, 0x43, byte);
}
- //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 */
--
2.1.4
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