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authorFrancis Rowe <info@gluglug.org.uk>2015-11-06 07:45:49 +0000
committerFrancis Rowe <info@gluglug.org.uk>2015-11-06 08:01:51 +0000
commit60453ff2cbd1befe24959fba1d24f734406444e3 (patch)
tree74a6080455b2b00184fbc4a00503188032773986 /resources/libreboot/patch/kgpe-d16/0094-cpu-amd-family_10h-family_15h-Set-northbridge-thrott.patch
parent51f5487e7d2c8809bdc7690fe26948064257b34d (diff)
downloadlibrebootfr-60453ff2cbd1befe24959fba1d24f734406444e3.tar.gz
librebootfr-60453ff2cbd1befe24959fba1d24f734406444e3.zip
Update coreboot to new version (use latest stable kgpe-d16 tree)
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0094-cpu-amd-family_10h-family_15h-Set-northbridge-thrott.patch')
-rw-r--r--resources/libreboot/patch/kgpe-d16/0094-cpu-amd-family_10h-family_15h-Set-northbridge-thrott.patch110
1 files changed, 110 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0094-cpu-amd-family_10h-family_15h-Set-northbridge-thrott.patch b/resources/libreboot/patch/kgpe-d16/0094-cpu-amd-family_10h-family_15h-Set-northbridge-thrott.patch
new file mode 100644
index 00000000..ac809186
--- /dev/null
+++ b/resources/libreboot/patch/kgpe-d16/0094-cpu-amd-family_10h-family_15h-Set-northbridge-thrott.patch
@@ -0,0 +1,110 @@
+From 518f3db1ecce1fe883074b133eb19e3575098f3a Mon Sep 17 00:00:00 2001
+From: Timothy Pearson <tpearson@raptorengineeringinc.com>
+Date: Sun, 2 Aug 2015 21:31:17 -0500
+Subject: [PATCH 094/143] cpu/amd/family_10h-family_15h: Set northbridge
+ throttle values
+
+Change-Id: I6304b63708c65fedb9c2d46b8c862b7f0adf1102
+Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
+---
+ src/cpu/amd/family_10h-family_15h/init_cpus.c | 21 +---------
+ .../amd/family_10h-family_15h/model_10xxx_init.c | 44 ++++++++++++++++++++
+ 2 files changed, 45 insertions(+), 20 deletions(-)
+
+diff --git a/src/cpu/amd/family_10h-family_15h/init_cpus.c b/src/cpu/amd/family_10h-family_15h/init_cpus.c
+index 7d303e0..d770f38 100644
+--- a/src/cpu/amd/family_10h-family_15h/init_cpus.c
++++ b/src/cpu/amd/family_10h-family_15h/init_cpus.c
+@@ -877,6 +877,7 @@ static u32 AMD_checkLinkType(u8 node, u8 link, u8 regoff)
+ else
+ linktype |= HTPHY_LINKTYPE_UNGANGED;
+ }
++
+ return linktype;
+ }
+
+@@ -971,26 +972,6 @@ void cpuSetAMDMSR(uint8_t node_id)
+ }
+ AMD_Errata298();
+
+- if (revision & AMD_FAM15_ALL) {
+- uint32_t f5x80;
+- uint8_t enabled;
+- uint8_t compute_unit_count = 0;
+- f5x80 = pci_read_config32(NODE_PCI(node_id, 5), 0x80);
+- enabled = f5x80 & 0xf;
+- if (enabled == 0x1)
+- compute_unit_count = 1;
+- if (enabled == 0x3)
+- compute_unit_count = 2;
+- if (enabled == 0x7)
+- compute_unit_count = 3;
+- if (enabled == 0xf)
+- compute_unit_count = 4;
+- msr = rdmsr(BU_CFG2);
+- msr.lo &= ~(0x3 << 6); /* ThrottleNbInterface[1:0] */
+- msr.lo |= (((compute_unit_count - 1) & 0x3) << 6);
+- wrmsr(BU_CFG2, msr);
+- }
+-
+ /* Revision C0 and above */
+ if (revision & AMD_OR_C0) {
+ uint32_t f3x1fc = pci_read_config32(NODE_PCI(node_id, 3), 0x1fc);
+diff --git a/src/cpu/amd/family_10h-family_15h/model_10xxx_init.c b/src/cpu/amd/family_10h-family_15h/model_10xxx_init.c
+index 5c590b8..7319539 100644
+--- a/src/cpu/amd/family_10h-family_15h/model_10xxx_init.c
++++ b/src/cpu/amd/family_10h-family_15h/model_10xxx_init.c
+@@ -158,6 +158,50 @@ static void model_10xxx_init(device_t dev)
+ printk(BIOS_DEBUG, "siblings = %02d, ", siblings);
+ #endif
+
++ /* Set bus unit configuration */
++ if (is_fam15h()) {
++ uint32_t f5x80;
++ uint8_t enabled;
++ uint8_t compute_unit_count = 0;
++ f5x80 = pci_read_config32(dev_find_slot(0, PCI_DEVFN(0x18 + id.nodeid, 5)), 0x80);
++ enabled = f5x80 & 0xf;
++ if (enabled == 0x1)
++ compute_unit_count = 1;
++ if (enabled == 0x3)
++ compute_unit_count = 2;
++ if (enabled == 0x7)
++ compute_unit_count = 3;
++ if (enabled == 0xf)
++ compute_unit_count = 4;
++ msr = rdmsr(BU_CFG2_MSR);
++ msr.lo &= ~(0x3 << 6); /* ThrottleNbInterface[1:0] */
++ msr.lo |= (((compute_unit_count - 1) & 0x3) << 6);
++ wrmsr(BU_CFG2_MSR, msr);
++ } else {
++ uint32_t f0x60;
++ uint32_t f0x160;
++ uint8_t core_count = 0;
++ uint8_t node_count = 0;
++ f0x60 = pci_read_config32(dev_find_slot(0, PCI_DEVFN(0x18 + id.nodeid, 0)), 0x60);
++ core_count = (f0x60 >> 16) & 0x1f;
++ node_count = ((f0x60 >> 4) & 0x7) + 1;
++ if (is_gt_rev_d()) {
++ f0x160 = pci_read_config32(dev_find_slot(0, PCI_DEVFN(0x18 + id.nodeid, 0)), 0x160);
++ core_count |= ((f0x160 >> 16) & 0x7) << 5;
++ }
++ core_count++;
++ core_count /= node_count;
++ msr = rdmsr(BU_CFG2_MSR);
++ if (is_gt_rev_d()) {
++ msr.hi &= ~(0x3 << (36 - 32)); /* ThrottleNbInterface[3:2] */
++ msr.hi |= ((((core_count - 1) >> 2) & 0x3) << (36 - 32));
++ }
++ msr.lo &= ~(0x3 << 6); /* ThrottleNbInterface[1:0] */
++ msr.lo |= (((core_count - 1) & 0x3) << 6);
++ msr.lo &= ~(0x1 << 24); /* WcPlusDis = 0 */
++ wrmsr(BU_CFG2_MSR, msr);
++ }
++
+ /* Disable Cf8ExtCfg */
+ msr = rdmsr(NB_CFG_MSR);
+ msr.hi &= ~(1 << (46 - 32));
+--
+1.7.9.5
+