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-rw-r--r--src/mainboard/lenovo/t420/devicetree.cb3
-rw-r--r--src/mainboard/lenovo/t420s/devicetree.cb3
-rw-r--r--src/mainboard/lenovo/t430s/devicetree.cb3
-rw-r--r--src/mainboard/lenovo/t520/devicetree.cb3
-rw-r--r--src/mainboard/lenovo/t530/devicetree.cb3
-rw-r--r--src/mainboard/lenovo/x220/devicetree.cb3
-rw-r--r--src/mainboard/lenovo/x230/devicetree.cb3
-rw-r--r--src/northbridge/intel/sandybridge/raminit.c6
8 files changed, 26 insertions, 1 deletions
diff --git a/src/mainboard/lenovo/t420/devicetree.cb b/src/mainboard/lenovo/t420/devicetree.cb
index 809e3eed22..a921f765cb 100644
--- a/src/mainboard/lenovo/t420/devicetree.cb
+++ b/src/mainboard/lenovo/t420/devicetree.cb
@@ -18,6 +18,9 @@ chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x1155"
register "gpu_pch_backlight" = "0x06100610"
+ # Override fuse bits that hard-code the value to 666 Mhz
+ register "max_mem_clock_mhz" = "933"
+
device cpu_cluster 0 on
chip cpu/intel/socket_rPGA988B
device lapic 0 on end
diff --git a/src/mainboard/lenovo/t420s/devicetree.cb b/src/mainboard/lenovo/t420s/devicetree.cb
index 841e6753d1..24f9ebd709 100644
--- a/src/mainboard/lenovo/t420s/devicetree.cb
+++ b/src/mainboard/lenovo/t420s/devicetree.cb
@@ -17,6 +17,9 @@ chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x1155"
register "gpu_pch_backlight" = "0x06100610"
+ # Override fuse bits that hard-code the value to 666 Mhz
+ register "max_mem_clock_mhz" = "933"
+
device cpu_cluster 0 on
chip cpu/intel/socket_rPGA988B
device lapic 0 on end
diff --git a/src/mainboard/lenovo/t430s/devicetree.cb b/src/mainboard/lenovo/t430s/devicetree.cb
index d1cea3cc06..54846bef0a 100644
--- a/src/mainboard/lenovo/t430s/devicetree.cb
+++ b/src/mainboard/lenovo/t430s/devicetree.cb
@@ -17,6 +17,9 @@ chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x1155"
register "gpu_pch_backlight" = "0x11551155"
+ # Override fuse bits that hard-code the value to 666 Mhz
+ register "max_mem_clock_mhz" = "933"
+
device cpu_cluster 0 on
chip cpu/intel/socket_rPGA989
device lapic 0 on end
diff --git a/src/mainboard/lenovo/t520/devicetree.cb b/src/mainboard/lenovo/t520/devicetree.cb
index c0292ec3fd..6c638e5d36 100644
--- a/src/mainboard/lenovo/t520/devicetree.cb
+++ b/src/mainboard/lenovo/t520/devicetree.cb
@@ -18,6 +18,9 @@ chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x1155"
register "gpu_pch_backlight" = "0x06100610"
+ # Override fuse bits that hard-code the value to 666 Mhz
+ register "max_mem_clock_mhz" = "933"
+
device cpu_cluster 0 on
chip cpu/intel/socket_rPGA988B
device lapic 0 on end
diff --git a/src/mainboard/lenovo/t530/devicetree.cb b/src/mainboard/lenovo/t530/devicetree.cb
index 43d8264e3d..07312515db 100644
--- a/src/mainboard/lenovo/t530/devicetree.cb
+++ b/src/mainboard/lenovo/t530/devicetree.cb
@@ -18,6 +18,9 @@ chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x1155"
register "gpu_pch_backlight" = "0x11551155"
+ # Override fuse bits that hard-code the value to 666 Mhz
+ register "max_mem_clock_mhz" = "933"
+
device cpu_cluster 0 on
chip cpu/intel/socket_rPGA989
device lapic 0 on end
diff --git a/src/mainboard/lenovo/x220/devicetree.cb b/src/mainboard/lenovo/x220/devicetree.cb
index af70b2021e..78a65a8825 100644
--- a/src/mainboard/lenovo/x220/devicetree.cb
+++ b/src/mainboard/lenovo/x220/devicetree.cb
@@ -18,6 +18,9 @@ chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x1155"
register "gpu_pch_backlight" = "0x06100610"
+ # Override fuse bits that hard-code the value to 666 Mhz
+ register "max_mem_clock_mhz" = "933"
+
device cpu_cluster 0 on
chip cpu/intel/socket_rPGA989
device lapic 0 on end
diff --git a/src/mainboard/lenovo/x230/devicetree.cb b/src/mainboard/lenovo/x230/devicetree.cb
index f0c940d736..a8341fc2ea 100644
--- a/src/mainboard/lenovo/x230/devicetree.cb
+++ b/src/mainboard/lenovo/x230/devicetree.cb
@@ -18,6 +18,9 @@ chip northbridge/intel/sandybridge
register "gpu_cpu_backlight" = "0x1155"
register "gpu_pch_backlight" = "0x11551155"
+ # Override fuse bits that hard-code the value to 666 Mhz
+ register "max_mem_clock_mhz" = "933"
+
device cpu_cluster 0 on
chip cpu/intel/socket_rPGA989
device lapic 0 on end
diff --git a/src/northbridge/intel/sandybridge/raminit.c b/src/northbridge/intel/sandybridge/raminit.c
index 4563547c79..15590d1da5 100644
--- a/src/northbridge/intel/sandybridge/raminit.c
+++ b/src/northbridge/intel/sandybridge/raminit.c
@@ -4374,7 +4374,11 @@ static unsigned int get_mem_min_tck(void)
}
return DEFAULT_TCK;
} else {
- if (cfg->max_mem_clock_mhz >= 800)
+ if (cfg->max_mem_clock_mhz >= 1066)
+ return TCK_1066MHZ;
+ else if (cfg->max_mem_clock_mhz >= 933)
+ return TCK_933MHZ;
+ else if (cfg->max_mem_clock_mhz >= 800)
return TCK_800MHZ;
else if (cfg->max_mem_clock_mhz >= 666)
return TCK_666MHZ;