Move Kconfig for HT limits to northbridge/amd/Kconfig.

Guard the code with CONFIG_EXPERT to remove warnings.

Make it only show up for fam10, since it isn't implemented for K8 yet.

Signed-off-by: Myles Watson <mylesgw@gmail.com>
Acked-by: Myles Watson <mylesgw@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5379 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

2 files changed, 106 insertions, 17 deletions

diff --git a/src/northbridge/amd/Kconfig b/src/northbridge/amd/Kconfig
index 25c4b081bc..29d6bb120b 100644
--- a/src/northbridge/amd/Kconfig
+++ b/src/northbridge/amd/Kconfig
@@ -3,3 +3,92 @@ source src/northbridge/amd/gx1/Kconfig
 source src/northbridge/amd/gx2/Kconfig
 source src/northbridge/amd/amdfam10/Kconfig
 source src/northbridge/amd/lx/Kconfig
+menu "HyperTransport setup"
+	#could be implemented for K8 (NORTHBRIDGE_AMD_AMDK8)
+	depends on (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 1.8GHz"
+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
+	  downlink 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
+	  uplink 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
diff --git a/src/northbridge/amd/amdht/h3finit.c b/src/northbridge/amd/amdht/h3finit.c
index be55c063bb..bb37481d10 100644
--- a/src/northbridge/amd/amdht/h3finit.c
+++ b/src/northbridge/amd/amdht/h3finit.c
@@ -1327,47 +1327,47 @@ void selectOptimalWidthAndFrequency(sMainData *pDat)
 
 	for (i = 0; i < pDat->TotalLinks*2; i += 2)
 	{
-#if CONFIG_LIMIT_HT_SPEED_200
+#if CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_200
 		cbPCBFreqLimit = 0x0001;
-#elif CONFIG_LIMIT_HT_SPEED_300
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_300
 		cbPCBFreqLimit = 0x0003;
-#elif CONFIG_LIMIT_HT_SPEED_400
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_400
 		cbPCBFreqLimit = 0x0007;
-#elif CONFIG_LIMIT_HT_SPEED_500
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_500
 		cbPCBFreqLimit = 0x000F;
-#elif CONFIG_LIMIT_HT_SPEED_600
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_600
 		cbPCBFreqLimit = 0x001F;
-#elif CONFIG_LIMIT_HT_SPEED_800
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_800
 		cbPCBFreqLimit = 0x003F;
-#elif CONFIG_LIMIT_HT_SPEED_1000
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_1000
 		cbPCBFreqLimit = 0x007F;
-#elif CONFIG_LIMIT_HT_SPEED_1200
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_1200
 		cbPCBFreqLimit = 0x00FF;
-#elif CONFIG_LIMIT_HT_SPEED_1400
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_1400
 		cbPCBFreqLimit = 0x01FF;
-#elif CONFIG_LIMIT_HT_SPEED_1600
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_1600
 		cbPCBFreqLimit = 0x03FF;
-#elif CONFIG_LIMIT_HT_SPEED_1800
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_1800
 		cbPCBFreqLimit = 0x07FF;
-#elif CONFIG_LIMIT_HT_SPEED_2000
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_2000
 		cbPCBFreqLimit = 0x0FFF;
-#elif CONFIG_LIMIT_HT_SPEED_2200
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_2200
 		cbPCBFreqLimit = 0x1FFF;
-#elif CONFIG_LIMIT_HT_SPEED_2400
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_2400
 		cbPCBFreqLimit = 0x3FFF;
-#elif CONFIG_LIMIT_HT_SPEED_2600
+#elif CONFIG_EXPERT && CONFIG_LIMIT_HT_SPEED_2600
 		cbPCBFreqLimit = 0x7FFF;
 #else
 		cbPCBFreqLimit = 0xFFFF;		// Maximum allowed by autoconfiguration
 #endif
 
-#if CONFIG_LIMIT_HT_DOWN_WIDTH_8
+#if CONFIG_EXPERT && CONFIG_LIMIT_HT_DOWN_WIDTH_8
 		cbPCBABDownstreamWidth = 8;
 #else
 		cbPCBABDownstreamWidth = 16;
 #endif
 
-#if CONFIG_LIMIT_HT_UP_WIDTH_8
+#if CONFIG_EXPERT && CONFIG_LIMIT_HT_UP_WIDTH_8
 		cbPCBBAUpstreamWidth = 8;
 #else
 		cbPCBBAUpstreamWidth = 16;