summaryrefslogtreecommitdiff
path: root/src/arch/x86/smbios.c
diff options
context:
space:
mode:
authorStefan Reinauer <stefan.reinauer@coreboot.org>2015-07-13 09:39:15 +0200
committerStefan Reinauer <stefan.reinauer@coreboot.org>2015-07-13 21:04:56 +0200
commit6cb3a59fd5e754c3627b79db21c5bcc284bfd721 (patch)
treee83db5b11ee4a29d496dcf2798d024b6b8455ab7 /src/arch/x86/smbios.c
parent9693885ad88d21ead7bd9ebc32f3e4901841b18b (diff)
downloadcoreboot-6cb3a59fd5e754c3627b79db21c5bcc284bfd721.tar.xz
x86: flatten hierarchy
It never made sense to have bootblock_* in init, but pirq_routing.c in boot, and some ld scripts on the main level while others live in subdirectories. This patch flattens the directory hierarchy and makes x86 more similar to the other architectures. Change-Id: I4056038fe7813e4d3d3042c441e7ab6076a36384 Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-on: http://review.coreboot.org/10901 Tested-by: build bot (Jenkins) Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/arch/x86/smbios.c')
-rw-r--r--src/arch/x86/smbios.c581
1 files changed, 581 insertions, 0 deletions
diff --git a/src/arch/x86/smbios.c b/src/arch/x86/smbios.c
new file mode 100644
index 0000000000..a1f05daeaf
--- /dev/null
+++ b/src/arch/x86/smbios.c
@@ -0,0 +1,581 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
+ * Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <smbios.h>
+#include <console/console.h>
+#include <version.h>
+#include <device/device.h>
+#include <arch/cpu.h>
+#include <cpu/x86/name.h>
+#include <elog.h>
+#include <endian.h>
+#include <memory_info.h>
+#include <spd.h>
+#include <cbmem.h>
+#if CONFIG_CHROMEOS
+#include <vendorcode/google/chromeos/gnvs.h>
+#endif
+
+static u8 smbios_checksum(u8 *p, u32 length)
+{
+ u8 ret = 0;
+ while (length--)
+ ret += *p++;
+ return -ret;
+}
+
+
+int smbios_add_string(char *start, const char *str)
+{
+ int i = 1;
+ char *p = start;
+
+ for(;;) {
+ if (!*p) {
+ strcpy(p, str);
+ p += strlen(str);
+ *p++ = '\0';
+ *p++ = '\0';
+ return i;
+ }
+
+ if (!strcmp(p, str))
+ return i;
+
+ p += strlen(p)+1;
+ i++;
+ }
+}
+
+int smbios_string_table_len(char *start)
+{
+ char *p = start;
+ int i, len = 0;
+
+ while(*p) {
+ i = strlen(p) + 1;
+ p += i;
+ len += i;
+ }
+ return len + 1;
+}
+
+static int smbios_cpu_vendor(char *start)
+{
+ char tmp[13] = "Unknown";
+ u32 *_tmp = (u32 *)tmp;
+ struct cpuid_result res;
+
+ if (cpu_have_cpuid()) {
+ res = cpuid(0);
+ _tmp[0] = res.ebx;
+ _tmp[1] = res.edx;
+ _tmp[2] = res.ecx;
+ tmp[12] = '\0';
+ }
+
+ return smbios_add_string(start, tmp);
+}
+
+static int smbios_processor_name(char *start)
+{
+ char tmp[49] = "Unknown Processor Name";
+ u32 *_tmp = (u32 *)tmp;
+ struct cpuid_result res;
+ int i;
+
+ if (cpu_have_cpuid()) {
+ res = cpuid(0x80000000);
+ if (res.eax >= 0x80000004) {
+ for (i = 0; i < 3; i++) {
+ res = cpuid(0x80000002 + i);
+ _tmp[i * 4 + 0] = res.eax;
+ _tmp[i * 4 + 1] = res.ebx;
+ _tmp[i * 4 + 2] = res.ecx;
+ _tmp[i * 4 + 3] = res.edx;
+ }
+ tmp[48] = 0;
+ }
+ }
+ return smbios_add_string(start, tmp);
+}
+
+/* this function will fill the corresponding manufacturer */
+void smbios_fill_dimm_manufacturer_from_id(uint16_t mod_id, struct smbios_type17 *t)
+{
+ switch (mod_id) {
+ case 0x987f:
+ t->manufacturer = smbios_add_string(t->eos,
+ "Hynix");
+ break;
+ case 0xad80:
+ t->manufacturer = smbios_add_string(t->eos,
+ "Hynix/Hyundai");
+ break;
+ case 0xce80:
+ t->manufacturer = smbios_add_string(t->eos,
+ "Samsung");
+ break;
+ case 0xfe02:
+ t->manufacturer = smbios_add_string(t->eos,
+ "Elpida");
+ break;
+ case 0xff2c:
+ t->manufacturer = smbios_add_string(t->eos,
+ "Micron");
+ break;
+ default: {
+ char string_buffer[256];
+ snprintf(string_buffer, sizeof(string_buffer),
+ "Unknown (%x)", mod_id);
+ t->manufacturer = smbios_add_string(t->eos,
+ string_buffer);
+ break;
+ }
+ }
+}
+
+static int create_smbios_type17_for_dimm(struct dimm_info *dimm,
+ unsigned long *current, int *handle)
+{
+ struct smbios_type17 *t = (struct smbios_type17 *)*current;
+ uint8_t length;
+ char locator[40];
+
+ memset(t, 0, sizeof(struct smbios_type17));
+ t->memory_type = dimm->ddr_type;
+ t->clock_speed = dimm->ddr_frequency;
+ t->speed = dimm->ddr_frequency;
+ t->type = SMBIOS_MEMORY_DEVICE;
+ t->size = dimm->dimm_size;
+ t->data_width = 8 * (1 << (dimm->bus_width & 0x7));
+ t->total_width = t->data_width + 8 * ((dimm->bus_width & 0x18) >> 3);
+
+ switch (dimm->mod_type) {
+ case SPD_RDIMM:
+ case SPD_MINI_RDIMM:
+ t->form_factor = MEMORY_FORMFACTOR_RIMM;
+ break;
+ case SPD_UDIMM:
+ case SPD_MICRO_DIMM:
+ case SPD_MINI_UDIMM:
+ t->form_factor = MEMORY_FORMFACTOR_DIMM;
+ break;
+ case SPD_SODIMM:
+ t->form_factor = MEMORY_FORMFACTOR_SODIMM;
+ break;
+ default:
+ t->form_factor = MEMORY_FORMFACTOR_UNKNOWN;
+ break;
+ }
+
+ smbios_fill_dimm_manufacturer_from_id(dimm->mod_id, t);
+ /* put '\0' in the end of data */
+ length = sizeof(dimm->serial);
+ dimm->serial[length - 1] = '\0';
+ if (dimm->serial[0] == 0)
+ t->serial_number = smbios_add_string(t->eos, "None");
+ else
+ t->serial_number = smbios_add_string(t->eos,
+ (const char *)dimm->serial);
+
+ snprintf(locator, sizeof(locator), "Channel-%d-DIMM-%d",
+ dimm->channel_num, dimm->dimm_num);
+ t->device_locator = smbios_add_string(t->eos, locator);
+
+ snprintf(locator, sizeof(locator), "BANK %d", dimm->bank_locator);
+ t->bank_locator = smbios_add_string(t->eos, locator);
+
+ /* put '\0' in the end of data */
+ length = sizeof(dimm->module_part_number);
+ dimm->module_part_number[length - 1] = '\0';
+ t->part_number = smbios_add_string(t->eos,
+ (const char *)dimm->module_part_number);
+
+ /* Synchronous = 1 */
+ t->type_detail = 0x0080;
+ /* no handle for error information */
+ t->memory_error_information_handle = 0xFFFE;
+ t->attributes = dimm->rank_per_dimm;
+ t->handle = *handle;
+ *handle += 1;
+ t->length = sizeof(struct smbios_type17) - 2;
+ return t->length + smbios_string_table_len(t->eos);
+}
+
+const char *__attribute__((weak)) smbios_mainboard_bios_version(void)
+{
+ if (strlen(CONFIG_LOCALVERSION))
+ return CONFIG_LOCALVERSION;
+ else
+ return coreboot_version;
+}
+
+static int smbios_write_type0(unsigned long *current, int handle)
+{
+ struct smbios_type0 *t = (struct smbios_type0 *)*current;
+ int len = sizeof(struct smbios_type0);
+
+ memset(t, 0, sizeof(struct smbios_type0));
+ t->type = SMBIOS_BIOS_INFORMATION;
+ t->handle = handle;
+ t->length = len - 2;
+
+ t->vendor = smbios_add_string(t->eos, "coreboot");
+#if !CONFIG_CHROMEOS
+ t->bios_release_date = smbios_add_string(t->eos, coreboot_dmi_date);
+
+ t->bios_version = smbios_add_string(t->eos, smbios_mainboard_bios_version());
+#else
+#define SPACES \
+ " "
+ t->bios_release_date = smbios_add_string(t->eos, coreboot_dmi_date);
+#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
+ u32 version_offset = (u32)smbios_string_table_len(t->eos);
+#endif
+ t->bios_version = smbios_add_string(t->eos, SPACES);
+
+#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
+ /* SMBIOS offsets start at 1 rather than 0 */
+ vboot_data->vbt10 = (u32)t->eos + (version_offset - 1);
+#endif
+#endif /* CONFIG_CHROMEOS */
+
+ t->bios_rom_size = (CONFIG_ROM_SIZE / 65535) - 1;
+
+ t->system_bios_major_release = 4;
+ t->bios_characteristics =
+ BIOS_CHARACTERISTICS_PCI_SUPPORTED |
+#if CONFIG_CARDBUS_PLUGIN_SUPPORT
+ BIOS_CHARACTERISTICS_PC_CARD |
+#endif
+ BIOS_CHARACTERISTICS_SELECTABLE_BOOT |
+ BIOS_CHARACTERISTICS_UPGRADEABLE;
+
+#if CONFIG_HAVE_ACPI_TABLES
+ t->bios_characteristics_ext1 = BIOS_EXT1_CHARACTERISTICS_ACPI;
+#endif
+ t->bios_characteristics_ext2 = BIOS_EXT2_CHARACTERISTICS_TARGET;
+ len = t->length + smbios_string_table_len(t->eos);
+ *current += len;
+ return len;
+}
+
+#if !CONFIG_SMBIOS_PROVIDED_BY_MOBO
+
+const char *__attribute__((weak)) smbios_mainboard_serial_number(void)
+{
+ return CONFIG_MAINBOARD_SERIAL_NUMBER;
+}
+
+const char *__attribute__((weak)) smbios_mainboard_version(void)
+{
+ return CONFIG_MAINBOARD_VERSION;
+}
+
+const char *__attribute__((weak)) smbios_mainboard_manufacturer(void)
+{
+ return CONFIG_MAINBOARD_SMBIOS_MANUFACTURER;
+}
+
+const char *__attribute__((weak)) smbios_mainboard_product_name(void)
+{
+ return CONFIG_MAINBOARD_SMBIOS_PRODUCT_NAME;
+}
+
+void __attribute__((weak)) smbios_mainboard_set_uuid(u8 *uuid)
+{
+ /* leave all zero */
+}
+#endif
+
+#ifdef CONFIG_MAINBOARD_FAMILY
+const char *smbios_mainboard_family(void)
+{
+ return CONFIG_MAINBOARD_FAMILY;
+}
+#endif /* CONFIG_MAINBOARD_FAMILY */
+
+static int smbios_write_type1(unsigned long *current, int handle)
+{
+ struct smbios_type1 *t = (struct smbios_type1 *)*current;
+ int len = sizeof(struct smbios_type1);
+
+ memset(t, 0, sizeof(struct smbios_type1));
+ t->type = SMBIOS_SYSTEM_INFORMATION;
+ t->handle = handle;
+ t->length = len - 2;
+ t->manufacturer = smbios_add_string(t->eos, smbios_mainboard_manufacturer());
+ t->product_name = smbios_add_string(t->eos, smbios_mainboard_product_name());
+ t->serial_number = smbios_add_string(t->eos, smbios_mainboard_serial_number());
+ t->version = smbios_add_string(t->eos, smbios_mainboard_version());
+#ifdef CONFIG_MAINBOARD_FAMILY
+ t->family = smbios_add_string(t->eos, smbios_mainboard_family());
+#endif
+ smbios_mainboard_set_uuid(t->uuid);
+ len = t->length + smbios_string_table_len(t->eos);
+ *current += len;
+ return len;
+}
+
+static int smbios_write_type2(unsigned long *current, int handle)
+{
+ struct smbios_type2 *t = (struct smbios_type2 *)*current;
+ int len = sizeof(struct smbios_type2);
+
+ memset(t, 0, sizeof(struct smbios_type2));
+ t->type = SMBIOS_BOARD_INFORMATION;
+ t->handle = handle;
+ t->length = len - 2;
+ t->manufacturer = smbios_add_string(t->eos, smbios_mainboard_manufacturer());
+ t->product_name = smbios_add_string(t->eos, smbios_mainboard_product_name());
+ t->serial_number = smbios_add_string(t->eos, smbios_mainboard_serial_number());
+ t->version = smbios_add_string(t->eos, smbios_mainboard_version());
+ len = t->length + smbios_string_table_len(t->eos);
+ *current += len;
+ return len;
+}
+
+static int smbios_write_type3(unsigned long *current, int handle)
+{
+ struct smbios_type3 *t = (struct smbios_type3 *)*current;
+ int len = sizeof(struct smbios_type3);
+
+ memset(t, 0, sizeof(struct smbios_type3));
+ t->type = SMBIOS_SYSTEM_ENCLOSURE;
+ t->handle = handle;
+ t->length = len - 2;
+ t->manufacturer = smbios_add_string(t->eos, smbios_mainboard_manufacturer());
+ t->bootup_state = SMBIOS_STATE_SAFE;
+ t->power_supply_state = SMBIOS_STATE_SAFE;
+ t->thermal_state = SMBIOS_STATE_SAFE;
+ if(IS_ENABLED(CONFIG_SYSTEM_TYPE_LAPTOP)) {
+ t->_type = SMBIOS_ENCLOSURE_NOTEBOOK;
+ } else {
+ t->_type = SMBIOS_ENCLOSURE_DESKTOP;
+ }
+ t->security_status = SMBIOS_STATE_SAFE;
+ len = t->length + smbios_string_table_len(t->eos);
+ *current += len;
+ return len;
+}
+
+static int smbios_write_type4(unsigned long *current, int handle)
+{
+ struct cpuid_result res;
+ struct smbios_type4 *t = (struct smbios_type4 *)*current;
+ int len = sizeof(struct smbios_type4);
+
+ /* Provide sane defaults even for CPU without CPUID */
+ res.eax = res.edx = 0;
+ res.ebx = 0x10000;
+
+ if (cpu_have_cpuid()) {
+ res = cpuid(1);
+ }
+
+ memset(t, 0, sizeof(struct smbios_type4));
+ t->type = SMBIOS_PROCESSOR_INFORMATION;
+ t->handle = handle;
+ t->length = len - 2;
+ t->processor_id[0] = res.eax;
+ t->processor_id[1] = res.edx;
+ t->processor_manufacturer = smbios_cpu_vendor(t->eos);
+ t->processor_version = smbios_processor_name(t->eos);
+ t->processor_family = (res.eax > 0) ? 0x0c : 0x6;
+ t->processor_type = 3; /* System Processor */
+ t->processor_upgrade = 0x06;
+ t->core_count = (res.ebx >> 16) & 0xff;
+ t->l1_cache_handle = 0xffff;
+ t->l2_cache_handle = 0xffff;
+ t->l3_cache_handle = 0xffff;
+ t->processor_upgrade = 1;
+ len = t->length + smbios_string_table_len(t->eos);
+ *current += len;
+ return len;
+}
+
+static int smbios_write_type11(unsigned long *current, int *handle)
+{
+ struct smbios_type11 *t = (struct smbios_type11 *)*current;
+ int len;
+ struct device *dev;
+
+ memset(t, 0, sizeof *t);
+ t->type = SMBIOS_OEM_STRINGS;
+ t->handle = *handle;
+ t->length = len = sizeof *t - 2;
+
+ for(dev = all_devices; dev; dev = dev->next) {
+ if (dev->ops && dev->ops->get_smbios_strings)
+ dev->ops->get_smbios_strings(dev, t);
+ }
+
+ if (t->count == 0) {
+ memset(t, 0, sizeof *t);
+ return 0;
+ }
+
+ len += smbios_string_table_len(t->eos);
+
+ *current += len;
+ (*handle)++;
+ return len;
+}
+
+static int smbios_write_type17(unsigned long *current, int *handle)
+{
+ int len = sizeof(struct smbios_type17);
+ int i;
+
+ struct memory_info *meminfo;
+ meminfo = cbmem_find(CBMEM_ID_MEMINFO);
+ if (meminfo == NULL)
+ return 0; /* can't find mem info in cbmem */
+
+ printk(BIOS_INFO, "Create SMBIOS type 17\n");
+ for (i = 0; i < meminfo->dimm_cnt && i < ARRAY_SIZE(meminfo->dimm); i++) {
+ struct dimm_info *dimm;
+ dimm = &meminfo->dimm[i];
+ len = create_smbios_type17_for_dimm(dimm, current, handle);
+ *current += len;
+ }
+ return meminfo->dimm_cnt * len;
+}
+
+static int smbios_write_type32(unsigned long *current, int handle)
+{
+ struct smbios_type32 *t = (struct smbios_type32 *)*current;
+ int len = sizeof(struct smbios_type32);
+
+ memset(t, 0, sizeof(struct smbios_type32));
+ t->type = SMBIOS_SYSTEM_BOOT_INFORMATION;
+ t->handle = handle;
+ t->length = len - 2;
+ *current += len;
+ return len;
+}
+
+int smbios_write_type41(unsigned long *current, int *handle,
+ const char *name, u8 instance, u16 segment,
+ u8 bus, u8 device, u8 function)
+{
+ struct smbios_type41 *t = (struct smbios_type41 *)*current;
+ int len = sizeof(struct smbios_type41);
+
+ memset(t, 0, sizeof(struct smbios_type41));
+ t->type = SMBIOS_ONBOARD_DEVICES_EXTENDED_INFORMATION;
+ t->handle = *handle;
+ t->length = len - 2;
+ t->reference_designation = smbios_add_string(t->eos, name);
+ t->device_type = SMBIOS_DEVICE_TYPE_OTHER;
+ t->device_status = 1;
+ t->device_type_instance = instance;
+ t->segment_group_number = segment;
+ t->bus_number = bus;
+ t->device_number = device;
+ t->function_number = function;
+
+ len = t->length + smbios_string_table_len(t->eos);
+ *current += len;
+ *handle += 1;
+ return len;
+}
+
+static int smbios_write_type127(unsigned long *current, int handle)
+{
+ struct smbios_type127 *t = (struct smbios_type127 *)*current;
+ int len = sizeof(struct smbios_type127);
+
+ memset(t, 0, sizeof(struct smbios_type127));
+ t->type = SMBIOS_END_OF_TABLE;
+ t->handle = handle;
+ t->length = len - 2;
+ *current += len;
+ return len;
+}
+
+static int smbios_walk_device_tree(struct device *tree, int *handle, unsigned long *current)
+{
+ struct device *dev;
+ int len = 0;
+
+ for(dev = tree; dev; dev = dev->next) {
+ printk(BIOS_INFO, "%s (%s)\n", dev_path(dev), dev_name(dev));
+
+ if (dev->ops && dev->ops->get_smbios_data)
+ len += dev->ops->get_smbios_data(dev, handle, current);
+ }
+ return len;
+}
+
+#define update_max(len, max_len, stmt) do { int tmp = stmt; max_len = MAX(max_len, tmp); len += tmp; } while(0)
+unsigned long smbios_write_tables(unsigned long current)
+{
+ struct smbios_entry *se;
+ unsigned long tables;
+ int len = 0;
+ int max_struct_size = 0;
+ int handle = 0;
+
+ current = ALIGN(current, 16);
+ printk(BIOS_DEBUG, "%s: %08lx\n", __func__, current);
+
+ se = (struct smbios_entry *)current;
+ current += sizeof(struct smbios_entry);
+ current = ALIGN(current, 16);
+
+ tables = current;
+ update_max(len, max_struct_size, smbios_write_type0(&current, handle++));
+ update_max(len, max_struct_size, smbios_write_type1(&current, handle++));
+ update_max(len, max_struct_size, smbios_write_type2(&current, handle++));
+ update_max(len, max_struct_size, smbios_write_type3(&current, handle++));
+ update_max(len, max_struct_size, smbios_write_type4(&current, handle++));
+ update_max(len, max_struct_size, smbios_write_type11(&current, &handle));
+#if CONFIG_ELOG
+ update_max(len, max_struct_size, elog_smbios_write_type15(&current, handle++));
+#endif
+ update_max(len, max_struct_size, smbios_write_type17(&current, &handle));
+ update_max(len, max_struct_size, smbios_write_type32(&current, handle++));
+
+ update_max(len, max_struct_size, smbios_walk_device_tree(all_devices, &handle, &current));
+
+ update_max(len, max_struct_size, smbios_write_type127(&current, handle++));
+
+ memset(se, 0, sizeof(struct smbios_entry));
+ memcpy(se->anchor, "_SM_", 4);
+ se->length = sizeof(struct smbios_entry);
+ se->major_version = 2;
+ se->minor_version = 7;
+ se->max_struct_size = max_struct_size;
+ se->struct_count = handle;
+ memcpy(se->intermediate_anchor_string, "_DMI_", 5);
+
+ se->struct_table_address = (u32)tables;
+ se->struct_table_length = len;
+
+ se->intermediate_checksum = smbios_checksum((u8 *)se + 0x10,
+ sizeof(struct smbios_entry) - 0x10);
+ se->checksum = smbios_checksum((u8 *)se, sizeof(struct smbios_entry));
+ return current;
+}