[coreboot-gerrit] New patch to review for coreboot: southbridge/amd/sb700: Enable extended APIC ID when Kconfig option set
Timothy Pearson (tpearson@raptorengineeringinc.com)
gerrit at coreboot.org
Sat Jan 23 00:33:45 CET 2016
Timothy Pearson (tpearson at raptorengineeringinc.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13160
-gerrit
commit 9aa95cd17486a13702d7c37539a596859503e614
Author: Timothy Pearson <tpearson at raptorengineeringinc.com>
Date: Tue Nov 24 14:11:58 2015 -0600
southbridge/amd/sb700: Enable extended APIC ID when Kconfig option set
Change-Id: I52fc2c2294edead3b5dacf397c0a1ab2e08b1e3f
Signed-off-by: Timothy Pearson <tpearson at 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 5f6d20e..6d93b17 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 */
More information about the coreboot-gerrit
mailing list