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-rw-r--r--src/soc/intel/alderlake/Kconfig7
-rw-r--r--src/soc/intel/alderlake/Makefile.inc1
-rw-r--r--src/soc/intel/alderlake/chipset.cb2
-rw-r--r--src/soc/intel/alderlake/crashlog.c303
-rw-r--r--src/soc/intel/alderlake/include/soc/crashlog.h24
-rw-r--r--src/soc/intel/alderlake/include/soc/pci_devs.h7
-rw-r--r--src/soc/intel/alderlake/romstage/fsp_params.c6
7 files changed, 349 insertions, 1 deletions
diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig
index 7480a410e2..79e775d276 100644
--- a/src/soc/intel/alderlake/Kconfig
+++ b/src/soc/intel/alderlake/Kconfig
@@ -298,4 +298,11 @@ config MRC_CHANNEL_WIDTH
int
default 16
+config SOC_INTEL_CRASHLOG
+ def_bool n
+ select SOC_INTEL_COMMON_BLOCK_CRASHLOG
+ select ACPI_BERT
+ help
+ Enables CrashLog.
+
endif
diff --git a/src/soc/intel/alderlake/Makefile.inc b/src/soc/intel/alderlake/Makefile.inc
index 7252085a1e..9f92c92fa0 100644
--- a/src/soc/intel/alderlake/Makefile.inc
+++ b/src/soc/intel/alderlake/Makefile.inc
@@ -45,6 +45,7 @@ ramstage-y += reset.c
ramstage-y += soundwire.c
ramstage-y += systemagent.c
ramstage-y += xhci.c
+ramstage-$(CONFIG_SOC_INTEL_CRASHLOG) += crashlog.c
smm-y += elog.c
smm-y += gpio.c
diff --git a/src/soc/intel/alderlake/chipset.cb b/src/soc/intel/alderlake/chipset.cb
index 19411a6d20..53d75e44aa 100644
--- a/src/soc/intel/alderlake/chipset.cb
+++ b/src/soc/intel/alderlake/chipset.cb
@@ -34,7 +34,7 @@ chip soc/intel/alderlake
end
device pci 08.0 alias gna off end
device pci 09.0 alias north_tracehub off end
- device pci 0a.0 alias crashlog off end
+ device pci 0a.0 alias crashlog on end
device pci 0d.0 alias tcss_xhci off
chip drivers/usb/acpi
register "type" = "UPC_TYPE_HUB"
diff --git a/src/soc/intel/alderlake/crashlog.c b/src/soc/intel/alderlake/crashlog.c
new file mode 100644
index 0000000000..c1eeedffaa
--- /dev/null
+++ b/src/soc/intel/alderlake/crashlog.c
@@ -0,0 +1,303 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#include <cbmem.h>
+#include <delay.h>
+#include <intelblocks/crashlog.h>
+#include <string.h>
+#include <soc/crashlog.h>
+#include <arch/bert_storage.h>
+#include <soc/iomap.h>
+#include <soc/pci_devs.h>
+
+/* global crashLog info */
+static bool m_pmc_crashLog_support;
+static bool m_pmc_crashLog_present;
+static bool m_cpu_crashLog_support;
+static bool m_cpu_crashLog_present;
+static u32 m_pmc_crashLog_size;
+static u32 m_cpu_crashLog_size;
+static u32 cpu_crash_version;
+static pmc_ipc_discovery_buf_t discovery_buf;
+static pmc_crashlog_desc_table_t descriptor_table;
+static tel_crashlog_devsc_cap_t cpu_cl_devsc_cap;
+static cpu_crashlog_discovery_table_t cpu_cl_disc_tab;
+
+u32 __weak cl_get_cpu_mb_int_addr(void)
+{
+ return CRASHLOG_MAILBOX_INTF_ADDRESS;
+}
+
+bool pmc_cl_discovery(void)
+{
+ u32 tmp_bar_addr = 0, desc_table_addr = 0;
+
+ const struct pmc_ipc_buffer *req = { 0 };
+ struct pmc_ipc_buffer *res = NULL;
+ uint32_t cmd_reg;
+ int r;
+
+ cmd_reg = pmc_make_ipc_cmd(PMC_IPC_CMD_CRASHLOG,
+ PMC_IPC_CMD_ID_CRASHLOG_DISCOVERY,
+ PMC_IPC_CMD_SIZE_SHIFT);
+ printk(BIOS_DEBUG, "cmd_reg from pmc_make_ipc_cmd %d\n", cmd_reg);
+
+ r = pmc_send_ipc_cmd(cmd_reg, req, res);
+
+ if (r < 0) {
+ printk(BIOS_ERR, "pmc_send_ipc_cmd failed in %s\n", __func__);
+ return false;
+ }
+ discovery_buf.val_64_bits = ((u64)res->buf[1] << 32) | res->buf[0];
+
+
+ if (discovery_buf.bits.supported != 1) {
+ printk(BIOS_INFO, "PCH crashlog feature not supported.\n");
+ m_pmc_crashLog_support = false;
+ return false;
+ }
+ m_pmc_crashLog_support = true;
+
+ /* Program BAR 0 and enable command register memory space decoding */
+ tmp_bar_addr = SPI_BASE_ADDRESS;
+ pci_write_config32(PCH_DEV_SRAM, PCI_BASE_ADDRESS_0, tmp_bar_addr);
+ pci_or_config16(PCH_DEV_SRAM, PCI_COMMAND, PCI_COMMAND_MEMORY);
+
+ if (discovery_buf.bits.discov_mechanism == 1) {
+ /* discovery mode */
+ if (discovery_buf.bits.base_offset & BIT(31)) {
+ printk(BIOS_DEBUG, "PCH discovery to be used is disabled.\n");
+ m_pmc_crashLog_present = false;
+ m_pmc_crashLog_size = 0;
+ return false;
+ }
+ desc_table_addr = tmp_bar_addr + discovery_buf.bits.desc_tabl_offset;
+ m_pmc_crashLog_size = pmc_cl_gen_descriptor_table(desc_table_addr,
+ &descriptor_table);
+ printk(BIOS_DEBUG, "PMC CrashLog size in discovery mode: 0x%X\n",
+ m_pmc_crashLog_size);
+ } else {
+ /* legacy mode */
+ if (discovery_buf.bits.dis) {
+ printk(BIOS_DEBUG, "PCH crashlog is disabled in legacy mode.\n");
+ m_pmc_crashLog_present = false;
+ return false;
+ }
+ m_pmc_crashLog_size = (discovery_buf.bits.size != 0) ?
+ (discovery_buf.bits.size * sizeof(u32)) : 0xC00;
+ printk(BIOS_DEBUG, "PMC crashlog size in legacy mode = 0x%x\n",
+ m_pmc_crashLog_size);
+ }
+ m_pmc_crashLog_present = true;
+
+ return true;
+}
+
+u32 cl_get_cpu_bar_addr(void)
+{
+ u32 base_addr = 0;
+ if (cpu_cl_devsc_cap.discovery_data.fields.t_bir_q == TEL_DVSEC_TBIR_BAR0) {
+ base_addr = pci_read_config32(SA_DEV_TMT, PCI_BASE_ADDRESS_0) &
+ ~PCI_BASE_ADDRESS_MEM_ATTR_MASK;
+ } else if (cpu_cl_devsc_cap.discovery_data.fields.t_bir_q == TEL_DVSEC_TBIR_BAR1) {
+ base_addr = pci_read_config32(SA_DEV_TMT, PCI_BASE_ADDRESS_1) &
+ ~PCI_BASE_ADDRESS_MEM_ATTR_MASK;
+ } else {
+ printk(BIOS_ERR, "Invalid TEL_CFG_BAR value %d, discovery failure expected.\n",
+ cpu_cl_devsc_cap.discovery_data.fields.t_bir_q);
+ }
+
+ return base_addr;
+}
+
+
+u32 cl_get_cpu_tmp_bar(void)
+{
+ return SPI_BASE_ADDRESS;
+}
+
+bool cl_pmc_sram_has_mmio_access(void)
+{
+ if (pci_read_config16(PCH_DEV_SRAM, PCI_VENDOR_ID) == 0xFFFF) {
+ printk(BIOS_ERR, "PMC SSRAM PCI device disabled. Can be enabled in device tree.\n");
+ return false;
+ }
+
+ return true;
+}
+
+static bool cpu_cl_get_capability(tel_crashlog_devsc_cap_t *cl_devsc_cap)
+{
+ cl_devsc_cap->cap_data.data = pci_read_config32(SA_DEV_TMT,
+ TEL_DVSEC_OFFSET + TEL_DVSEC_PCIE_CAP_ID);
+ if (cl_devsc_cap->cap_data.fields.pcie_cap_id != TELEMETRY_EXTENDED_CAP_ID) {
+ printk(BIOS_DEBUG, "Read ID for Telemetry: 0x%x differs from expected: 0x%x\n",
+ cl_devsc_cap->cap_data.fields.pcie_cap_id, TELEMETRY_EXTENDED_CAP_ID);
+ return false;
+ }
+
+ /* walk through the entries until crashLog entry */
+ cl_devsc_cap->devsc_data.data_32[1] = pci_read_config32(SA_DEV_TMT, TEL_DVSEV_ID);
+ int new_offset = 0;
+ while (cl_devsc_cap->devsc_data.fields.devsc_id != CRASHLOG_DVSEC_ID) {
+ if (cl_devsc_cap->cap_data.fields.next_cap_offset == 0
+ || cl_devsc_cap->cap_data.fields.next_cap_offset == 0xFFFF) {
+ printk(BIOS_DEBUG, "Read invalid pcie_cap_id value: 0x%x\n",
+ cl_devsc_cap->cap_data.fields.pcie_cap_id);
+ return false;
+ }
+ new_offset = cl_devsc_cap->cap_data.fields.next_cap_offset;
+ cl_devsc_cap->cap_data.data = pci_read_config32(SA_DEV_TMT,
+ new_offset + TEL_DVSEC_PCIE_CAP_ID);
+ cl_devsc_cap->devsc_data.data_32[1] = pci_read_config32(SA_DEV_TMT,
+ new_offset + TEL_DVSEV_ID);
+ }
+ cpu_crash_version = cl_devsc_cap->devsc_data.fields.devsc_ver;
+
+ cl_devsc_cap->discovery_data.data = pci_read_config32(SA_DEV_TMT, new_offset
+ + TEL_DVSEV_DISCOVERY_TABLE_OFFSET);
+
+ return true;
+}
+
+
+static bool cpu_cl_gen_discovery_table(void)
+{
+ u32 bar_addr = 0, disc_tab_addr = 0;
+ bar_addr = cl_get_cpu_bar_addr();
+ disc_tab_addr = bar_addr +
+ cpu_cl_devsc_cap.discovery_data.fields.discovery_table_offset;
+ memset(&cpu_cl_disc_tab, 0, sizeof(cpu_crashlog_discovery_table_t));
+
+ printk(BIOS_DEBUG, "cpu discovery table offset: 0x%x\n",
+ cpu_cl_devsc_cap.discovery_data.fields.discovery_table_offset);
+
+ cpu_cl_disc_tab.header.data = ((u64)read32((u32 *)disc_tab_addr) +
+ ((u64)read32((u32 *)(disc_tab_addr + 4)) << 32));
+
+ cpu_cl_disc_tab.cmd_mailbox.data = read32((u32 *)(disc_tab_addr + 8));
+ cpu_cl_disc_tab.mailbox_data = read32((u32 *)(disc_tab_addr + 12));
+
+ printk(BIOS_DEBUG, "cpu_crashlog_discovery_table buffer count: 0x%x\n",
+ cpu_cl_disc_tab.header.fields.count);
+
+ int cur_offset = 0;
+ for (int i = 0; i < cpu_cl_disc_tab.header.fields.count; i++) {
+ cur_offset = 16 + 8*i;
+ cpu_cl_disc_tab.buffers[i].data = ((u64)read32((u32 *)(disc_tab_addr +
+ cur_offset)) + ((u64)read32((u32 *)
+ (disc_tab_addr + cur_offset + 4)) << 32));
+ printk(BIOS_DEBUG, "cpu_crashlog_discovery_table buffer: 0x%x size: "
+ "0x%x offset: 0x%x\n", i, cpu_cl_disc_tab.buffers[i].fields.size,
+ cpu_cl_disc_tab.buffers[i].fields.offset);
+ m_cpu_crashLog_size += cpu_cl_disc_tab.buffers[i].fields.size * sizeof(u32);
+ }
+
+ m_cpu_crashLog_present = m_cpu_crashLog_size > 0;
+
+ return true;
+}
+
+bool cpu_cl_discovery(void)
+{
+ memset(&cpu_cl_devsc_cap, 0, sizeof(tel_crashlog_devsc_cap_t));
+
+ if (!cpu_cl_get_capability(&cpu_cl_devsc_cap)) {
+ printk(BIOS_ERR, "CPU crashlog capability not found.\n");
+ m_cpu_crashLog_support = false;
+ return false;
+ }
+
+ m_cpu_crashLog_support = true;
+
+ /* Program BAR address and enable command register memory space decoding */
+ u32 tmp_bar_addr = PCH_PWRM_BASE_ADDRESS;
+ printk(BIOS_DEBUG, "tmp_bar_addr: 0x%X\n", tmp_bar_addr);
+
+ if (cpu_cl_devsc_cap.discovery_data.fields.t_bir_q == TEL_DVSEC_TBIR_BAR0) {
+ pci_write_config32(SA_DEV_TMT, PCI_BASE_ADDRESS_0, tmp_bar_addr);
+ } else if (cpu_cl_devsc_cap.discovery_data.fields.t_bir_q == TEL_DVSEC_TBIR_BAR1) {
+ pci_write_config32(SA_DEV_TMT, PCI_BASE_ADDRESS_1, tmp_bar_addr);
+ } else {
+ printk(BIOS_DEBUG, "invalid discovery data t_bir_q: 0x%x\n",
+ cpu_cl_devsc_cap.discovery_data.fields.t_bir_q);
+ return false;
+ }
+ pci_or_config16(SA_DEV_TMT, PCI_COMMAND, PCI_COMMAND_MEMORY);
+
+ if (!cpu_cl_gen_discovery_table()) {
+ printk(BIOS_ERR, "CPU crashlog discovery table not valid.\n");
+ m_cpu_crashLog_present = false;
+ return false;
+ }
+ m_cpu_crashLog_present = true;
+
+ return true;
+}
+
+void reset_discovery_buffers(void)
+{
+ memset(&discovery_buf, 0, sizeof(pmc_ipc_discovery_buf_t));
+ memset(&descriptor_table, 0, sizeof(pmc_crashlog_desc_table_t));
+ memset(&cpu_cl_devsc_cap, 0, sizeof(tel_crashlog_devsc_cap_t));
+}
+
+int cl_get_total_data_size(void)
+{
+ return m_pmc_crashLog_size + m_cpu_crashLog_size;
+}
+
+pmc_ipc_discovery_buf_t cl_get_pmc_discovery_buf(void)
+{
+ return discovery_buf;
+}
+
+pmc_crashlog_desc_table_t cl_get_pmc_descriptor_table(void)
+{
+ return descriptor_table;
+}
+
+int cl_get_pmc_record_size(void)
+{
+ return m_pmc_crashLog_size;
+}
+
+int cl_get_cpu_record_size(void)
+{
+ return m_cpu_crashLog_size;
+}
+
+bool cl_cpu_data_present(void)
+{
+ return m_cpu_crashLog_present;
+}
+
+bool cl_pmc_data_present(void)
+{
+ return m_pmc_crashLog_present;
+}
+
+bool cpu_crashlog_support(void)
+{
+ return m_cpu_crashLog_support;
+}
+
+bool pmc_crashlog_support(void)
+{
+ return m_pmc_crashLog_support;
+}
+
+void update_new_pmc_crashlog_size(u32 *pmc_crash_size)
+{
+ m_pmc_crashLog_size = *pmc_crash_size;
+}
+
+cpu_crashlog_discovery_table_t cl_get_cpu_discovery_table(void)
+{
+ return cpu_cl_disc_tab;
+}
+
+void update_new_cpu_crashlog_size(u32 *cpu_crash_size)
+{
+ m_cpu_crashLog_size = *cpu_crash_size;
+}
diff --git a/src/soc/intel/alderlake/include/soc/crashlog.h b/src/soc/intel/alderlake/include/soc/crashlog.h
new file mode 100644
index 0000000000..1abbc75465
--- /dev/null
+++ b/src/soc/intel/alderlake/include/soc/crashlog.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _SOC_COMMON_BLOCK_CRASHLOG_LIB_H_
+#define _SOC_COMMON_BLOCK_CRASHLIB_LIB_H_
+
+#include <types.h>
+
+
+/* DVSEC capability Registers */
+#define TEL_DVSEC_OFFSET 0x100
+#define TEL_DVSEC_PCIE_CAP_ID 0x0
+#define TEL_DVSEC_NEXT_CAP 0x2
+#define TEL_DVSEV_ID 0x8
+#define TEL_DVSEV_DISCOVERY_TABLE_OFFSET 0xC
+#define TELEMETRY_EXTENDED_CAP_ID 0x23
+#define CRASHLOG_DVSEC_ID 0x04
+#define TEL_DVSEC_TBIR_BAR0 0
+#define TEL_DVSEC_TBIR_BAR1 1
+
+/* CPU CrashLog MMIO Registers */
+#define CRASHLOG_MAILBOX_INTF_ADDRESS 0x6038
+#define CRASHLOG_POINTER_SIZE_FIELD_OFFSET 0x04
+
+#endif /* _SOC_COMMON_BLOCK_CRASHLOG_LIB_H_ */
diff --git a/src/soc/intel/alderlake/include/soc/pci_devs.h b/src/soc/intel/alderlake/include/soc/pci_devs.h
index 23cf24810d..af5c50e70d 100644
--- a/src/soc/intel/alderlake/include/soc/pci_devs.h
+++ b/src/soc/intel/alderlake/include/soc/pci_devs.h
@@ -5,12 +5,15 @@
#include <device/pci_def.h>
+#define _SA_DEVFN(slot) PCI_DEVFN(SA_DEV_SLOT_ ## slot, 0)
#define _PCH_DEVFN(slot, func) PCI_DEVFN(PCH_DEV_SLOT_ ## slot, func)
#if !defined(__SIMPLE_DEVICE__)
#include <device/device.h>
+#define _SA_DEV(slot) pcidev_path_on_root(_SA_DEVFN(slot))
#define _PCH_DEV(slot, func) pcidev_path_on_root_debug(_PCH_DEVFN(slot, func), __func__)
#else
+#define _SA_DEV(slot) PCI_DEV(0, SA_DEV_SLOT_ ## slot, 0)
#define _PCH_DEV(slot, func) PCI_DEV(0, PCH_DEV_SLOT_ ## slot, func)
#endif
@@ -53,6 +56,10 @@
#define SA_DEV_TBT2 PCI_DEV(0, SA_DEV_SLOT_TBT, 2)
#define SA_DEV_TBT3 PCI_DEV(0, SA_DEV_SLOT_TBT, 3)
+#define SA_DEV_SLOT_TMT 0x0A
+#define SA_DEVFN_TMT _SA_DEVFN(TMT)
+#define SA_DEV_TMT _SA_DEV(TMT)
+
#define SA_DEV_SLOT_TCSS 0x0d
#define NUM_TCSS_DMA_FUNCTIONS 2
#define SA_DEVFN_TCSS_DMA(x) PCI_DEVFN(SA_DEV_SLOT_TCSS, ((x) + 2))
diff --git a/src/soc/intel/alderlake/romstage/fsp_params.c b/src/soc/intel/alderlake/romstage/fsp_params.c
index d7d03e1bb0..ba6e036a2e 100644
--- a/src/soc/intel/alderlake/romstage/fsp_params.c
+++ b/src/soc/intel/alderlake/romstage/fsp_params.c
@@ -237,6 +237,12 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg,
/* Skip GPIO configuration from FSP */
m_cfg->GpioOverride = 0x1;
+
+ /* CrashLog config */
+ if (CONFIG(SOC_INTEL_CRASHLOG)) {
+ m_cfg->CpuCrashLogDevice = 1;
+ m_cfg->CpuCrashLogEnable = 1;
+ }
}
void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-16 10:26:55 +0000