aboutsummaryrefslogtreecommitdiff
path: root/resources/libreboot/patch/kgpe-d16/0109-cpu-amd-model_10xxx-Set-up-SRI-to-XCS-Token-Count-re.patch
diff options
context:
space:
mode:
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0109-cpu-amd-model_10xxx-Set-up-SRI-to-XCS-Token-Count-re.patch')
-rw-r--r--resources/libreboot/patch/kgpe-d16/0109-cpu-amd-model_10xxx-Set-up-SRI-to-XCS-Token-Count-re.patch64
1 files changed, 64 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0109-cpu-amd-model_10xxx-Set-up-SRI-to-XCS-Token-Count-re.patch b/resources/libreboot/patch/kgpe-d16/0109-cpu-amd-model_10xxx-Set-up-SRI-to-XCS-Token-Count-re.patch
new file mode 100644
index 00000000..434c3aff
--- /dev/null
+++ b/resources/libreboot/patch/kgpe-d16/0109-cpu-amd-model_10xxx-Set-up-SRI-to-XCS-Token-Count-re.patch
@@ -0,0 +1,64 @@
+From 3ed8b16993e2880820bb5115cd007e618daf02db Mon Sep 17 00:00:00 2001
+From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
+Date: Sat, 8 Aug 2015 22:14:59 -0500
+Subject: [PATCH 109/146] cpu/amd/model_10xxx: Set up SRI to XCS Token Count
+ registers on Family 15h
+
+---
+ src/cpu/amd/model_10xxx/init_cpus.c | 40 +++++++++++++++++++++++++++++++++++
+ 1 file changed, 40 insertions(+)
+
+diff --git a/src/cpu/amd/model_10xxx/init_cpus.c b/src/cpu/amd/model_10xxx/init_cpus.c
+index 025fe10..3990dfc 100644
+--- a/src/cpu/amd/model_10xxx/init_cpus.c
++++ b/src/cpu/amd/model_10xxx/init_cpus.c
+@@ -1639,6 +1639,46 @@ static void cpuSetAMDPCI(u8 node)
+ pci_write_config32(NODE_PCI(node, 3), (link << 2) + 0x148, dword);
+ }
+ }
++
++ /* Set up the SRI to XCS Token Count */
++ uint8_t free_tok;
++ uint8_t up_rsp_tok;
++
++ /* Set defaults */
++ free_tok = 0xa;
++ up_rsp_tok = 0x3;
++
++ if (!dual_node) {
++ free_tok = 0xa;
++ up_rsp_tok = 0x3;
++ } else {
++ if ((sockets == 1)
++ || ((sockets == 2) && (sockets_populated == 1))) {
++ if (probe_filter_enabled) {
++ free_tok = 0x9;
++ up_rsp_tok = 0x3;
++ } else {
++ free_tok = 0xa;
++ up_rsp_tok = 0x3;
++ }
++ } else if ((sockets == 2) && (sockets_populated == 2)) {
++ free_tok = 0xb;
++ up_rsp_tok = 0x1;
++ } else if ((sockets == 4) && (sockets_populated == 2)) {
++ free_tok = 0xa;
++ up_rsp_tok = 0x3;
++ } else if ((sockets == 4) && (sockets_populated == 4)) {
++ free_tok = 0x9;
++ up_rsp_tok = 0x1;
++ }
++ }
++
++ dword = pci_read_config32(NODE_PCI(node, 3), 0x140);
++ dword &= ~(0xf << 20); /* FreeTok = free_tok */
++ dword |= ((free_tok & 0xf) << 20);
++ dword &= ~(0x3 << 8); /* UpRspTok = up_rsp_tok */
++ dword |= ((up_rsp_tok & 0x3) << 8);
++ pci_write_config32(NODE_PCI(node, 3), 0x140, dword);
+ }
+
+ printk(BIOS_DEBUG, " done\n");
+--
+1.7.9.5
+