From 55cf7bcbeb605648ccfa2fdab102506f87388c07 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Mon, 1 Mar 2010 10:30:08 +0000 Subject: Allow per-board setting of HT clock and width so less than optimal PCB designs can still work reliably with reduced clock. Signed-off-by: Timothy Pearson Acked-by: Patrick Georgi git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5179 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/Kconfig | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) (limited to 'src/Kconfig') diff --git a/src/Kconfig b/src/Kconfig index 0fae6216dd..75f50aa048 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -56,6 +56,78 @@ menu "Chipset" comment "CPU" source src/cpu/Kconfig comment "Northbridge" + +menu "HyperTransport Setup" + depends on (NORTHBRIDGE_AMD_AMDK8 || NORTHBRIDGE_AMD_AMDFAM10) && EXPERT + +choice + prompt "HyperTransport Frequency" + default LIMIT_HT_SPEED_AUTO + help + This option sets the maximum permissible HyperTransport link frequency. + Use of this option will only limit the autodetected HT frequency; it will not (and cannot) increase the frequency beyond the autodetected limits. + This is primarily used to work around poorly designed or laid out HT traces on certain motherboards. + +config LIMIT_HT_SPEED_200 + bool "Limit HT frequency to 200MHz" +config LIMIT_HT_SPEED_400 + bool "Limit HT frequency to 400MHz" +config LIMIT_HT_SPEED_600 + bool "Limit HT frequency to 600MHz" +config LIMIT_HT_SPEED_800 + bool "Limit HT frequency to 800MHz" +config LIMIT_HT_SPEED_1000 + bool "Limit HT frequency to 1.0GHz" +config LIMIT_HT_SPEED_1200 + bool "Limit HT frequency to 1.2GHz" +config LIMIT_HT_SPEED_1400 + bool "Limit HT frequency to 1.4GHz" +config LIMIT_HT_SPEED_1600 + bool "Limit HT frequency to 1.6GHz" +config LIMIT_HT_SPEED_1800 + bool "Limit HT frequency to 1.6GHz" +config LIMIT_HT_SPEED_2000 + bool "Limit HT frequency to 2.0GHz" +config LIMIT_HT_SPEED_2200 + bool "Limit HT frequency to 2.2GHz" +config LIMIT_HT_SPEED_2400 + bool "Limit HT frequency to 2.4GHz" +config LIMIT_HT_SPEED_2600 + bool "Limit HT frequency to 2.6GHz" +config LIMIT_HT_SPEED_AUTO + bool "Autodetect HT frequency" +endchoice + +choice + prompt "HyperTransport Downlink Width" + default LIMIT_HT_DOWN_WIDTH_16 + help + This option sets the maximum permissible HyperTransport link width. + Use of this option will only limit the autodetected HT width; it will not (and cannot) increase the width beyond the autodetected limits. + This is primarily used to work around poorly designed or laid out HT traces on certain motherboards. + +config LIMIT_HT_DOWN_WIDTH_8 + bool "8 bits" +config LIMIT_HT_DOWN_WIDTH_16 + bool "16 bits" +endchoice + +choice + prompt "HyperTransport Uplink Width" + default LIMIT_HT_UP_WIDTH_16 + help + This option sets the maximum permissible HyperTransport link width. + Use of this option will only limit the autodetected HT width; it will not (and cannot) increase the width beyond the autodetected limits. + This is primarily used to work around poorly designed or laid out HT traces on certain motherboards. + +config LIMIT_HT_UP_WIDTH_8 + bool "8 bits" +config LIMIT_HT_UP_WIDTH_16 + bool "16 bits" +endchoice + +endmenu + source src/northbridge/Kconfig comment "Southbridge" source src/southbridge/Kconfig -- cgit v1.2.3