[coreboot-gerrit] New patch to review for coreboot: nb/i945: Add a Kconfig option to configure BSEL straps
Arthur Heymans (arthur@aheymans.xyz)
gerrit at coreboot.org
Sat Dec 10 00:47:28 CET 2016
Arthur Heymans (arthur at aheymans.xyz) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/17781
-gerrit
commit 7e18d2e03dcb721302c3a8e4b58cb3f418fecdc9
Author: Arthur Heymans <arthur at aheymans.xyz>
Date: Sat Dec 10 00:36:47 2016 +0100
nb/i945: Add a Kconfig option to configure BSEL straps
Some LGA775 boards use straps to configure BSEL.
This allows to set them at compile time.
Change-Id: I982c5870aa69fd307dc78076880fc4fb9c104a7d
Signed-off-by: Arthur Heymans <arthur at aheymans.xyz>
---
src/northbridge/intel/i945/Kconfig | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/src/northbridge/intel/i945/Kconfig b/src/northbridge/intel/i945/Kconfig
index d22451a..53227b6 100644
--- a/src/northbridge/intel/i945/Kconfig
+++ b/src/northbridge/intel/i945/Kconfig
@@ -71,4 +71,31 @@ config CHECK_SLFRCS_ON_RESUME
On other boards the check always creates a false positive,
effectively making it impossible to resume.
+config HAS_BSEL_STRAPS
+ bool
+ default n
+
+choice
+ prompt "CPU FSB frequency"
+ depends on HAS_BSEL_STRAPS
+ help
+ Set the FSB speed of the CPU in your system. Note that failing
+ to set this correctly can render the system unbootable or damage
+ the hardware.
+
+config CPU_FSB_533
+ bool "533MHz"
+config CPU_FSB_800
+ bool "800MHz"
+config CPU_FSB_1067
+ bool "1067MHz"
+
+endchoice
+
+config CPU_FSB_FREQ
+ hex
+ default 0x0 if CPU_FSB_1067
+ default 0x1 if CPU_FSB_533
+ default 0x2 if CPU_FSB_800
+
endif
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