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Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0045-northbridge-amd-amdfam10-Enable-CC6-DRAM-save-area-s.patch')
-rw-r--r--resources/libreboot/patch/kgpe-d16/0045-northbridge-amd-amdfam10-Enable-CC6-DRAM-save-area-s.patch261
1 files changed, 0 insertions, 261 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0045-northbridge-amd-amdfam10-Enable-CC6-DRAM-save-area-s.patch b/resources/libreboot/patch/kgpe-d16/0045-northbridge-amd-amdfam10-Enable-CC6-DRAM-save-area-s.patch
deleted file mode 100644
index 1437a1f1..00000000
--- a/resources/libreboot/patch/kgpe-d16/0045-northbridge-amd-amdfam10-Enable-CC6-DRAM-save-area-s.patch
+++ /dev/null
@@ -1,261 +0,0 @@
-From a43c033cd8bcfd0742d1f52847c09bef8280b5f3 Mon Sep 17 00:00:00 2001
-From: Timothy Pearson <tpearson@raptorengineeringinc.com>
-Date: Fri, 5 Jun 2015 21:13:30 -0500
-Subject: [PATCH 045/143] northbridge/amd/amdfam10: Enable CC6 DRAM save area
- setup
-
-Change-Id: Ibeb35da3395dc77a21a2f92f0e1d0845be53d175
-Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
----
- src/northbridge/amd/amdfam10/northbridge.c | 70 ++++++++++++++
- src/northbridge/amd/amdmct/mct_ddr3/mct_d.c | 132 +++++++++++++++++++++++++++
- 2 files changed, 202 insertions(+)
-
-diff --git a/src/northbridge/amd/amdfam10/northbridge.c b/src/northbridge/amd/amdfam10/northbridge.c
-index fcf85a7..e5612fa 100644
---- a/src/northbridge/amd/amdfam10/northbridge.c
-+++ b/src/northbridge/amd/amdfam10/northbridge.c
-@@ -706,6 +706,8 @@ struct chip_operations northbridge_amd_amdfam10_ops = {
- static void amdfam10_domain_read_resources(device_t dev)
- {
- unsigned reg;
-+ uint8_t nvram;
-+ uint8_t enable_cc6;
-
- /* Find the already assigned resource pairs */
- get_fx_devs();
-@@ -749,6 +751,74 @@ static void amdfam10_domain_read_resources(device_t dev)
- /* Reserve lower DRAM region to force PCI MMIO region to correct location above 0xefffffff */
- ram_resource(dev, 7, 0, rdmsr(TOP_MEM).lo >> 10);
- #endif
-+
-+ if (is_fam15h()) {
-+ enable_cc6 = 0;
-+ if (get_option(&nvram, "cpu_cc6_state") == CB_SUCCESS)
-+ enable_cc6 = !!nvram;
-+
-+ if (enable_cc6) {
-+ uint8_t node;
-+ uint8_t interleaved;
-+ int8_t range;
-+ int8_t max_range;
-+ uint8_t max_node;
-+ uint64_t max_range_limit;
-+ uint32_t dword;
-+ uint32_t dword2;
-+ uint64_t qword;
-+ uint8_t num_nodes;
-+
-+ /* Find highest DRAM range (DramLimitAddr) */
-+ max_node = 0;
-+ max_range = -1;
-+ interleaved = 0;
-+ max_range_limit = 0;
-+ for (range = 0; range < 8; range++) {
-+ dword = f1_read_config32(0x40 + (range * 0x8));
-+ if (!(dword & 0x3))
-+ continue;
-+
-+ if ((dword >> 8) & 0x7)
-+ interleaved = 1;
-+
-+ dword = f1_read_config32(0x44 + (range * 0x8));
-+ dword2 = f1_read_config32(0x144 + (range * 0x8));
-+ qword = ((((uint64_t)dword) >> 16) & 0xffff) << 24;
-+ qword |= (((uint64_t)dword2) & 0xff) << 40;
-+
-+ if (qword > max_range_limit) {
-+ max_range = range;
-+ max_range_limit = qword;
-+ max_node = dword & 0x7;
-+ }
-+ }
-+
-+ num_nodes = 0;
-+ device_t node_dev;
-+ for (node = 0; node < FX_DEVS; node++) {
-+ node_dev = get_node_pci(node, 0);
-+ /* Test for node presence */
-+ if ((node_dev) && (pci_read_config32(node_dev, PCI_VENDOR_ID) != 0xffffffff))
-+ num_nodes++;
-+ }
-+
-+ /* Calculate CC6 sotrage area size */
-+ if (interleaved)
-+ qword = (0x1000000 * num_nodes);
-+ else
-+ qword = 0x1000000;
-+
-+ /* Reserve the CC6 save segment */
-+ reserved_ram_resource(dev, 8, max_range_limit >> 10, qword >> 10);
-+
-+ /* Set up the C-state base address */
-+ msr_t c_state_addr_msr;
-+ c_state_addr_msr = rdmsr(0xc0010073);
-+ c_state_addr_msr.lo = 0xe0e0; /* CstateAddr = 0xe0e0 */
-+ wrmsr(0xc0010073, c_state_addr_msr);
-+ }
-+ }
- }
-
- static u32 my_find_pci_tolm(struct bus *bus, u32 tolm)
-diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
-index 20e66f2..2798506 100644
---- a/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
-+++ b/src/northbridge/amd/amdmct/mct_ddr3/mct_d.c
-@@ -1188,6 +1188,100 @@ static void compare_nvram_spd_hashes(struct MCTStatStruc *pMCTstat,
- }
- #endif
-
-+static void set_up_cc6_storage_fam15(struct MCTStatStruc *pMCTstat,
-+ struct DCTStatStruc *pDCTstat, uint8_t num_nodes)
-+{
-+ uint8_t interleaved;
-+ uint8_t destination_node;
-+ int8_t range;
-+ int8_t max_range;
-+ uint8_t max_node;
-+ uint64_t max_range_limit;
-+ uint32_t dword;
-+ uint32_t dword2;
-+ uint64_t qword;
-+
-+ interleaved = 0;
-+ if (pMCTstat->GStatus & (1 << GSB_NodeIntlv))
-+ interleaved = 1;
-+
-+ /* Find highest DRAM range (DramLimitAddr) */
-+ max_node = 0;
-+ max_range = -1;
-+ max_range_limit = 0;
-+ for (range = 0; range < 8; range++) {
-+ dword = Get_NB32(pDCTstat->dev_map, 0x40 + (range * 0x8));
-+ if (!(dword & 0x3))
-+ continue;
-+
-+ dword = Get_NB32(pDCTstat->dev_map, 0x44 + (range * 0x8));
-+ dword2 = Get_NB32(pDCTstat->dev_map, 0x144 + (range * 0x8));
-+ qword = ((((uint64_t)dword) >> 16) & 0xffff) << 24;
-+ qword |= (((uint64_t)dword2) & 0xff) << 40;
-+
-+ if (qword > max_range_limit) {
-+ max_range = range;
-+ max_range_limit = qword;
-+ max_node = dword & 0x7;
-+ }
-+ }
-+
-+ if (pDCTstat->Node_ID == max_node) {
-+ if (max_range >= 0) {
-+ if (interleaved)
-+ /* Move upper limit down by 16M * the number of nodes */
-+ max_range_limit -= (0x1000000 * num_nodes);
-+ else
-+ /* Move upper limit down by 16M */
-+ max_range_limit -= 0x1000000;
-+
-+ /* Store modified range */
-+ dword = Get_NB32(pDCTstat->dev_map, 0x44 + (range * 0x8));
-+ dword &= ~(0xffff << 16); /* DramLimit[39:24] = max_range_limit[39:24] */
-+ dword |= (max_range_limit >> 24) & 0xffff;
-+ Set_NB32(pDCTstat->dev_map, 0x44 + (range * 0x8), dword);
-+
-+ dword = Get_NB32(pDCTstat->dev_map, 0x144 + (range * 0x8));
-+ dword &= ~(0xffff << 16); /* DramLimit[47:40] = max_range_limit[47:40] */
-+ dword |= (max_range_limit >> 40) & 0xff;
-+ Set_NB32(pDCTstat->dev_map, 0x144 + (range * 0x8), dword);
-+ }
-+ }
-+
-+ /* Determine save state destination node */
-+ if (interleaved)
-+ destination_node = Get_NB32(pDCTstat->dev_host, 0x60) & 0x7;
-+ else
-+ destination_node = max_node;
-+
-+ /* Set save state destination node */
-+ dword = Get_NB32(pDCTstat->dev_link, 0x128);
-+ dword &= ~(0x3f << 12); /* CoreSaveStateDestNode = destination_node */
-+ dword |= (destination_node & 0x3f) << 12;
-+ Set_NB32(pDCTstat->dev_link, 0x128, dword);
-+}
-+
-+static void lock_dram_config(struct MCTStatStruc *pMCTstat,
-+ struct DCTStatStruc *pDCTstat)
-+{
-+ uint32_t dword;
-+
-+ dword = Get_NB32(pDCTstat->dev_dct, 0x118);
-+ dword |= 0x1 << 19; /* LockDramCfg = 1 */
-+ Set_NB32(pDCTstat->dev_dct, 0x118, dword);
-+}
-+
-+static void set_cc6_save_enable(struct MCTStatStruc *pMCTstat,
-+ struct DCTStatStruc *pDCTstat, uint8_t enable)
-+{
-+ uint32_t dword;
-+
-+ dword = Get_NB32(pDCTstat->dev_dct, 0x118);
-+ dword &= ~(0x1 << 18); /* CC6SaveEn = enable */
-+ dword |= (enable & 0x1) << 18;
-+ Set_NB32(pDCTstat->dev_dct, 0x118, dword);
-+}
-+
- static void mctAutoInitMCT_D(struct MCTStatStruc *pMCTstat,
- struct DCTStatStruc *pDCTstatA)
- {
-@@ -1237,6 +1331,7 @@ static void mctAutoInitMCT_D(struct MCTStatStruc *pMCTstat,
- u8 Node, NodesWmem;
- u32 node_sys_base;
- uint8_t nvram;
-+ uint8_t enable_cc6;
- uint8_t allow_config_restore;
-
- uint8_t s3resume = acpi_is_wakeup_s3();
-@@ -1406,6 +1501,43 @@ restartinit:
- mct_ForceNBPState0_Dis_Fam15(pMCTstat, pDCTstat);
- }
-
-+ if (is_fam15h()) {
-+ enable_cc6 = 0;
-+ if (get_option(&nvram, "cpu_cc6_state") == CB_SUCCESS)
-+ enable_cc6 = !!nvram;
-+
-+ if (enable_cc6) {
-+ uint8_t num_nodes;
-+
-+ num_nodes = 0;
-+ for (Node = 0; Node < MAX_NODES_SUPPORTED; Node++) {
-+ struct DCTStatStruc *pDCTstat;
-+ pDCTstat = pDCTstatA + Node;
-+
-+ if (pDCTstat->NodePresent)
-+ num_nodes++;
-+ }
-+
-+ for (Node = 0; Node < MAX_NODES_SUPPORTED; Node++) {
-+ struct DCTStatStruc *pDCTstat;
-+ pDCTstat = pDCTstatA + Node;
-+
-+ if (pDCTstat->NodePresent)
-+ set_up_cc6_storage_fam15(pMCTstat, pDCTstat, num_nodes);
-+ }
-+
-+ for (Node = 0; Node < MAX_NODES_SUPPORTED; Node++) {
-+ struct DCTStatStruc *pDCTstat;
-+ pDCTstat = pDCTstatA + Node;
-+
-+ if (pDCTstat->NodePresent) {
-+ lock_dram_config(pMCTstat, pDCTstat);
-+ set_cc6_save_enable(pMCTstat, pDCTstat, 1);
-+ }
-+ }
-+ }
-+ }
-+
- mct_FinalMCT_D(pMCTstat, pDCTstatA);
- printk(BIOS_DEBUG, "mctAutoInitMCT_D Done: Global Status: %x\n", pMCTstat->GStatus);
- }
---
-1.7.9.5
-
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2025-01-09 09:51:28 +0000