Stefan Reinauer (stefan.reinauer(a)coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/11025
-gerrit
commit 6e0b8e77569ba4fa4823d2b7e6a54eba3abb3784
Author: Stefan Reinauer <reinauer(a)chromium.org>
Date: Tue Jul 21 14:37:13 2015 -0700
f14: Increase AP stack to 8k on 64bit
This has been broken out from http://review.coreboot.org/#/c/10581/
Change-Id: Ia6153115ff75e21657fa8c244c9eb993d0d63772
Signed-off-by: Stefan Reinauer <stefan.reinauer(a)coreboot.org>
---
src/vendorcode/amd/agesa/f14/gcccar.inc | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/vendorcode/amd/agesa/f14/gcccar.inc b/src/vendorcode/amd/agesa/f14/gcccar.inc
index 2104c27..8f395ce 100644
--- a/src/vendorcode/amd/agesa/f14/gcccar.inc
+++ b/src/vendorcode/amd/agesa/f14/gcccar.inc
@@ -42,7 +42,11 @@ BSP_STACK_SIZE = 0x10000 /* 64KB for BSP core
CORE0_STACK_BASE_ADDR = 0x80000 /* Base address for primary cores stack */
CORE0_STACK_SIZE = 0x4000 /* 16KB for primary cores */
CORE1_STACK_BASE_ADDR = 0x40000 /* Base address for AP cores */
+#ifdef __x86_64__
+CORE1_STACK_SIZE = 0x2000 /* 8KB for each AP cores */
+#else
CORE1_STACK_SIZE = 0x1000 /* 4KB for each AP cores */
+#endif
APIC_BASE_ADDRESS = 0x0000001B
APIC_BSC = 8 /* Boot Strap Core */