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authorStefan Reinauer <stepan@coresystems.de>2009-07-21 21:19:06 +0000
committerStefan Reinauer <stepan@openbios.org>2009-07-21 21:19:06 +0000
commit4fbefdd1a9c67e3ce2a215192e47278148580c2f (patch)
tree2e7ca0b42bf30f63c463552a7c40ebefc3ea1c42 /src/config
parent925b6c0c43b92b4790533b15f78ca824f9130d8b (diff)
downloadcoreboot-4fbefdd1a9c67e3ce2a215192e47278148580c2f.tar.xz
* rework tsc based timer code to use inb instead of outb for calibration
* Add generic Local APIC based timer code. This timer does not need expensive calibration and thus reduces the boot time by up to more than a second. Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Peter Stuge <peter@stuge.se> Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4446 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/config')
-rw-r--r--src/config/Options.lb5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/config/Options.lb b/src/config/Options.lb
index 76d0d92915..5055ac4abd 100644
--- a/src/config/Options.lb
+++ b/src/config/Options.lb
@@ -928,6 +928,11 @@ define CONFIG_UDELAY_IO
export used
comment "Implement udelay with x86 io registers"
end
+define CONFIG_UDELAY_LAPIC
+ default 0
+ export used
+ comment "Implement udelay with the x86 Local APIC"
+end
define CONFIG_FAKE_SPDROM
default 0
export always