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-rw-r--r--resources/libreboot/patch/kgpe-d16/0109-cpu-amd-family_10h-family_15h-Set-up-SRI-to-XCS-Toke.patch66
1 files changed, 66 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0109-cpu-amd-family_10h-family_15h-Set-up-SRI-to-XCS-Toke.patch b/resources/libreboot/patch/kgpe-d16/0109-cpu-amd-family_10h-family_15h-Set-up-SRI-to-XCS-Toke.patch
new file mode 100644
index 0000000..79e297e
--- /dev/null
+++ b/resources/libreboot/patch/kgpe-d16/0109-cpu-amd-family_10h-family_15h-Set-up-SRI-to-XCS-Toke.patch
@@ -0,0 +1,66 @@
+From 6e4bf582d1d1cf515f1dec738e02bb7e123ac227 Mon Sep 17 00:00:00 2001
+From: Timothy Pearson <tpearson@raptorengineeringinc.com>
+Date: Sat, 8 Aug 2015 22:14:59 -0500
+Subject: [PATCH 109/143] cpu/amd/family_10h-family_15h: Set up SRI to XCS
+ Token Count registers on Family 15h
+
+Change-Id: Ic992efad11d8e231ec85c793cf1e478bea0b9d3e
+Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
+---
+ src/cpu/amd/family_10h-family_15h/init_cpus.c | 40 +++++++++++++++++++++++++
+ 1 file changed, 40 insertions(+)
+
+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 59d745d..f4254f0 100644
+--- a/src/cpu/amd/family_10h-family_15h/init_cpus.c
++++ b/src/cpu/amd/family_10h-family_15h/init_cpus.c
+@@ -1643,6 +1643,46 @@ 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
+