]> git.sur5r.net Git - u-boot/commitdiff
x86: Move smbios generation into arch independent directory
authorAlexander Graf <agraf@suse.de>
Thu, 18 Aug 2016 23:23:23 +0000 (01:23 +0200)
committerAlexander Graf <agraf@suse.de>
Wed, 19 Oct 2016 07:01:50 +0000 (09:01 +0200)
We will need the SMBIOS generation function on ARM as well going forward,
so let's move it into a non arch specific location.

Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
arch/x86/Kconfig
arch/x86/include/asm/smbios.h [deleted file]
arch/x86/lib/Makefile
arch/x86/lib/smbios.c [deleted file]
arch/x86/lib/tables.c
include/smbios.h [new file with mode: 0644]
lib/Kconfig
lib/Makefile
lib/smbios.c [new file with mode: 0644]

index ac2d598d6635a9d1164e92c0ca4afc756ed3307f..0884af22a79edf3b245fb1c1c8a39d9eb871f1eb 100644 (file)
@@ -461,33 +461,6 @@ config GENERATE_ACPI_TABLE
          by the operating system. It defines platform-independent interfaces
          for configuration and power management monitoring.
 
-config GENERATE_SMBIOS_TABLE
-       bool "Generate an SMBIOS (System Management BIOS) table"
-       default y
-       help
-         The System Management BIOS (SMBIOS) specification addresses how
-         motherboard and system vendors present management information about
-         their products in a standard format by extending the BIOS interface
-         on Intel architecture systems.
-
-         Check http://www.dmtf.org/standards/smbios for details.
-
-config SMBIOS_MANUFACTURER
-       string "SMBIOS Manufacturer"
-       depends on GENERATE_SMBIOS_TABLE
-       default SYS_VENDOR
-       help
-         The board manufacturer to store in SMBIOS structures.
-         Change this to override the default one (CONFIG_SYS_VENDOR).
-
-config SMBIOS_PRODUCT_NAME
-       string "SMBIOS Product Name"
-       depends on GENERATE_SMBIOS_TABLE
-       default SYS_BOARD
-       help
-         The product name to store in SMBIOS structures.
-         Change this to override the default one (CONFIG_SYS_BOARD).
-
 endmenu
 
 config MAX_PIRQ_LINKS
diff --git a/arch/x86/include/asm/smbios.h b/arch/x86/include/asm/smbios.h
deleted file mode 100644 (file)
index 623a703..0000000
+++ /dev/null
@@ -1,236 +0,0 @@
-/*
- * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
- *
- * Adapted from coreboot src/include/smbios.h
- *
- * SPDX-License-Identifier:    GPL-2.0+
- */
-
-#ifndef _SMBIOS_H_
-#define _SMBIOS_H_
-
-/* SMBIOS spec version implemented */
-#define SMBIOS_MAJOR_VER       3
-#define SMBIOS_MINOR_VER       0
-
-/* SMBIOS structure types */
-enum {
-       SMBIOS_BIOS_INFORMATION = 0,
-       SMBIOS_SYSTEM_INFORMATION = 1,
-       SMBIOS_BOARD_INFORMATION = 2,
-       SMBIOS_SYSTEM_ENCLOSURE = 3,
-       SMBIOS_PROCESSOR_INFORMATION = 4,
-       SMBIOS_CACHE_INFORMATION = 7,
-       SMBIOS_SYSTEM_SLOTS = 9,
-       SMBIOS_PHYS_MEMORY_ARRAY = 16,
-       SMBIOS_MEMORY_DEVICE = 17,
-       SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS = 19,
-       SMBIOS_SYSTEM_BOOT_INFORMATION = 32,
-       SMBIOS_END_OF_TABLE = 127
-};
-
-#define SMBIOS_INTERMEDIATE_OFFSET     16
-#define SMBIOS_STRUCT_EOS_BYTES                2
-
-struct __packed smbios_entry {
-       u8 anchor[4];
-       u8 checksum;
-       u8 length;
-       u8 major_ver;
-       u8 minor_ver;
-       u16 max_struct_size;
-       u8 entry_point_rev;
-       u8 formatted_area[5];
-       u8 intermediate_anchor[5];
-       u8 intermediate_checksum;
-       u16 struct_table_length;
-       u32 struct_table_address;
-       u16 struct_count;
-       u8 bcd_rev;
-};
-
-/* BIOS characteristics */
-#define BIOS_CHARACTERISTICS_PCI_SUPPORTED     (1 << 7)
-#define BIOS_CHARACTERISTICS_UPGRADEABLE       (1 << 11)
-#define BIOS_CHARACTERISTICS_SELECTABLE_BOOT   (1 << 16)
-
-#define BIOS_CHARACTERISTICS_EXT1_ACPI         (1 << 0)
-#define BIOS_CHARACTERISTICS_EXT2_TARGET       (1 << 2)
-
-struct __packed smbios_type0 {
-       u8 type;
-       u8 length;
-       u16 handle;
-       u8 vendor;
-       u8 bios_ver;
-       u16 bios_start_segment;
-       u8 bios_release_date;
-       u8 bios_rom_size;
-       u64 bios_characteristics;
-       u8 bios_characteristics_ext1;
-       u8 bios_characteristics_ext2;
-       u8 bios_major_release;
-       u8 bios_minor_release;
-       u8 ec_major_release;
-       u8 ec_minor_release;
-       char eos[SMBIOS_STRUCT_EOS_BYTES];
-};
-
-struct __packed smbios_type1 {
-       u8 type;
-       u8 length;
-       u16 handle;
-       u8 manufacturer;
-       u8 product_name;
-       u8 version;
-       u8 serial_number;
-       u8 uuid[16];
-       u8 wakeup_type;
-       u8 sku_number;
-       u8 family;
-       char eos[SMBIOS_STRUCT_EOS_BYTES];
-};
-
-#define SMBIOS_BOARD_FEATURE_HOSTING   (1 << 0)
-#define SMBIOS_BOARD_MOTHERBOARD       10
-
-struct __packed smbios_type2 {
-       u8 type;
-       u8 length;
-       u16 handle;
-       u8 manufacturer;
-       u8 product_name;
-       u8 version;
-       u8 serial_number;
-       u8 asset_tag_number;
-       u8 feature_flags;
-       u8 chassis_location;
-       u16 chassis_handle;
-       u8 board_type;
-       char eos[SMBIOS_STRUCT_EOS_BYTES];
-};
-
-#define SMBIOS_ENCLOSURE_DESKTOP       3
-#define SMBIOS_STATE_SAFE              3
-#define SMBIOS_SECURITY_NONE           3
-
-struct __packed smbios_type3 {
-       u8 type;
-       u8 length;
-       u16 handle;
-       u8 manufacturer;
-       u8 chassis_type;
-       u8 version;
-       u8 serial_number;
-       u8 asset_tag_number;
-       u8 bootup_state;
-       u8 power_supply_state;
-       u8 thermal_state;
-       u8 security_status;
-       u32 oem_defined;
-       u8 height;
-       u8 number_of_power_cords;
-       u8 element_count;
-       u8 element_record_length;
-       char eos[SMBIOS_STRUCT_EOS_BYTES];
-};
-
-#define SMBIOS_PROCESSOR_TYPE_CENTRAL  3
-#define SMBIOS_PROCESSOR_STATUS_ENABLED        1
-#define SMBIOS_PROCESSOR_UPGRADE_NONE  6
-
-struct __packed smbios_type4 {
-       u8 type;
-       u8 length;
-       u16 handle;
-       u8 socket_designation;
-       u8 processor_type;
-       u8 processor_family;
-       u8 processor_manufacturer;
-       u32 processor_id[2];
-       u8 processor_version;
-       u8 voltage;
-       u16 external_clock;
-       u16 max_speed;
-       u16 current_speed;
-       u8 status;
-       u8 processor_upgrade;
-       u16 l1_cache_handle;
-       u16 l2_cache_handle;
-       u16 l3_cache_handle;
-       u8 serial_number;
-       u8 asset_tag;
-       u8 part_number;
-       u8 core_count;
-       u8 core_enabled;
-       u8 thread_count;
-       u16 processor_characteristics;
-       u16 processor_family2;
-       u16 core_count2;
-       u16 core_enabled2;
-       u16 thread_count2;
-       char eos[SMBIOS_STRUCT_EOS_BYTES];
-};
-
-struct __packed smbios_type32 {
-       u8 type;
-       u8 length;
-       u16 handle;
-       u8 reserved[6];
-       u8 boot_status;
-       u8 eos[SMBIOS_STRUCT_EOS_BYTES];
-};
-
-struct __packed smbios_type127 {
-       u8 type;
-       u8 length;
-       u16 handle;
-       u8 eos[SMBIOS_STRUCT_EOS_BYTES];
-};
-
-struct __packed smbios_header {
-       u8 type;
-       u8 length;
-       u16 handle;
-};
-
-/**
- * fill_smbios_header() - Fill the header of an SMBIOS table
- *
- * This fills the header of an SMBIOS table structure.
- *
- * @table:     start address of the structure
- * @type:      the type of structure
- * @length:    the length of the formatted area of the structure
- * @handle:    the structure's handle, a unique 16-bit number
- */
-static inline void fill_smbios_header(void *table, int type,
-                                     int length, int handle)
-{
-       struct smbios_header *header = table;
-
-       header->type = type;
-       header->length = length - SMBIOS_STRUCT_EOS_BYTES;
-       header->handle = handle;
-}
-
-/**
- * Function prototype to write a specific type of SMBIOS structure
- *
- * @addr:      start address to write the structure
- * @handle:    the structure's handle, a unique 16-bit number
- * @return:    size of the structure
- */
-typedef int (*smbios_write_type)(u32 *addr, int handle);
-
-/**
- * write_smbios_table() - Write SMBIOS table
- *
- * This writes SMBIOS table at a given address.
- *
- * @addr:      start address to write SMBIOS table
- * @return:    end address of SMBIOS table
- */
-u32 write_smbios_table(u32 addr);
-
-#endif /* _SMBIOS_H_ */
index e17f0bb0f2b51c15fcfcc1b5941a6eed67335601..40ea6bffb74108c8bee64a8b8cc4a0700ce2ae0b 100644 (file)
@@ -29,7 +29,6 @@ obj-y += relocate.o
 obj-y += physmem.o
 obj-$(CONFIG_X86_RAMTEST) += ramtest.o
 obj-y += sfi.o
-obj-$(CONFIG_GENERATE_SMBIOS_TABLE) += smbios.o
 obj-y  += string.o
 ifndef CONFIG_QEMU
 obj-$(CONFIG_GENERATE_ACPI_TABLE) += acpi_table.o
diff --git a/arch/x86/lib/smbios.c b/arch/x86/lib/smbios.c
deleted file mode 100644 (file)
index 9f30550..0000000
+++ /dev/null
@@ -1,269 +0,0 @@
-/*
- * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
- *
- * Adapted from coreboot src/arch/x86/smbios.c
- *
- * SPDX-License-Identifier:    GPL-2.0+
- */
-
-#include <common.h>
-#include <version.h>
-#include <asm/cpu.h>
-#include <asm/smbios.h>
-#include <asm/tables.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/**
- * smbios_add_string() - add a string to the string area
- *
- * This adds a string to the string area which is appended directly after
- * the formatted portion of an SMBIOS structure.
- *
- * @start:     string area start address
- * @str:       string to add
- * @return:    string number in the string area
- */
-static 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++;
-       }
-}
-
-/**
- * smbios_string_table_len() - compute the string area size
- *
- * This computes the size of the string area including the string terminator.
- *
- * @start:     string area start address
- * @return:    string area size
- */
-static 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_write_type0(u32 *current, int handle)
-{
-       struct smbios_type0 *t = (struct smbios_type0 *)*current;
-       int len = sizeof(struct smbios_type0);
-
-       memset(t, 0, sizeof(struct smbios_type0));
-       fill_smbios_header(t, SMBIOS_BIOS_INFORMATION, len, handle);
-       t->vendor = smbios_add_string(t->eos, "U-Boot");
-       t->bios_ver = smbios_add_string(t->eos, PLAIN_VERSION);
-       t->bios_release_date = smbios_add_string(t->eos, U_BOOT_DMI_DATE);
-       t->bios_rom_size = (CONFIG_ROM_SIZE / 65536) - 1;
-       t->bios_characteristics = BIOS_CHARACTERISTICS_PCI_SUPPORTED |
-                                 BIOS_CHARACTERISTICS_SELECTABLE_BOOT |
-                                 BIOS_CHARACTERISTICS_UPGRADEABLE;
-#ifdef CONFIG_GENERATE_ACPI_TABLE
-       t->bios_characteristics_ext1 = BIOS_CHARACTERISTICS_EXT1_ACPI;
-#endif
-       t->bios_characteristics_ext2 = BIOS_CHARACTERISTICS_EXT2_TARGET;
-       t->bios_major_release = 0xff;
-       t->bios_minor_release = 0xff;
-       t->ec_major_release = 0xff;
-       t->ec_minor_release = 0xff;
-
-       len = t->length + smbios_string_table_len(t->eos);
-       *current += len;
-
-       return len;
-}
-
-static int smbios_write_type1(u32 *current, int handle)
-{
-       struct smbios_type1 *t = (struct smbios_type1 *)*current;
-       int len = sizeof(struct smbios_type1);
-
-       memset(t, 0, sizeof(struct smbios_type1));
-       fill_smbios_header(t, SMBIOS_SYSTEM_INFORMATION, len, handle);
-       t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER);
-       t->product_name = smbios_add_string(t->eos, CONFIG_SMBIOS_PRODUCT_NAME);
-
-       len = t->length + smbios_string_table_len(t->eos);
-       *current += len;
-
-       return len;
-}
-
-static int smbios_write_type2(u32 *current, int handle)
-{
-       struct smbios_type2 *t = (struct smbios_type2 *)*current;
-       int len = sizeof(struct smbios_type2);
-
-       memset(t, 0, sizeof(struct smbios_type2));
-       fill_smbios_header(t, SMBIOS_BOARD_INFORMATION, len, handle);
-       t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER);
-       t->product_name = smbios_add_string(t->eos, CONFIG_SMBIOS_PRODUCT_NAME);
-       t->feature_flags = SMBIOS_BOARD_FEATURE_HOSTING;
-       t->board_type = SMBIOS_BOARD_MOTHERBOARD;
-
-       len = t->length + smbios_string_table_len(t->eos);
-       *current += len;
-
-       return len;
-}
-
-static int smbios_write_type3(u32 *current, int handle)
-{
-       struct smbios_type3 *t = (struct smbios_type3 *)*current;
-       int len = sizeof(struct smbios_type3);
-
-       memset(t, 0, sizeof(struct smbios_type3));
-       fill_smbios_header(t, SMBIOS_SYSTEM_ENCLOSURE, len, handle);
-       t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER);
-       t->chassis_type = SMBIOS_ENCLOSURE_DESKTOP;
-       t->bootup_state = SMBIOS_STATE_SAFE;
-       t->power_supply_state = SMBIOS_STATE_SAFE;
-       t->thermal_state = SMBIOS_STATE_SAFE;
-       t->security_status = SMBIOS_SECURITY_NONE;
-
-       len = t->length + smbios_string_table_len(t->eos);
-       *current += len;
-
-       return len;
-}
-
-static int smbios_write_type4(u32 *current, int handle)
-{
-       struct smbios_type4 *t = (struct smbios_type4 *)*current;
-       int len = sizeof(struct smbios_type4);
-       const char *vendor;
-       char *name;
-       char processor_name[CPU_MAX_NAME_LEN];
-       struct cpuid_result res;
-
-       memset(t, 0, sizeof(struct smbios_type4));
-       fill_smbios_header(t, SMBIOS_PROCESSOR_INFORMATION, len, handle);
-       t->processor_type = SMBIOS_PROCESSOR_TYPE_CENTRAL;
-       t->processor_family = gd->arch.x86;
-       vendor = cpu_vendor_name(gd->arch.x86_vendor);
-       t->processor_manufacturer = smbios_add_string(t->eos, vendor);
-       res = cpuid(1);
-       t->processor_id[0] = res.eax;
-       t->processor_id[1] = res.edx;
-       name = cpu_get_name(processor_name);
-       t->processor_version = smbios_add_string(t->eos, name);
-       t->status = SMBIOS_PROCESSOR_STATUS_ENABLED;
-       t->processor_upgrade = SMBIOS_PROCESSOR_UPGRADE_NONE;
-       t->l1_cache_handle = 0xffff;
-       t->l2_cache_handle = 0xffff;
-       t->l3_cache_handle = 0xffff;
-       t->processor_family2 = t->processor_family;
-
-       len = t->length + smbios_string_table_len(t->eos);
-       *current += len;
-
-       return len;
-}
-
-static int smbios_write_type32(u32 *current, int handle)
-{
-       struct smbios_type32 *t = (struct smbios_type32 *)*current;
-       int len = sizeof(struct smbios_type32);
-
-       memset(t, 0, sizeof(struct smbios_type32));
-       fill_smbios_header(t, SMBIOS_SYSTEM_BOOT_INFORMATION, len, handle);
-
-       *current += len;
-
-       return len;
-}
-
-static int smbios_write_type127(u32 *current, int handle)
-{
-       struct smbios_type127 *t = (struct smbios_type127 *)*current;
-       int len = sizeof(struct smbios_type127);
-
-       memset(t, 0, sizeof(struct smbios_type127));
-       fill_smbios_header(t, SMBIOS_END_OF_TABLE, len, handle);
-
-       *current += len;
-
-       return len;
-}
-
-static smbios_write_type smbios_write_funcs[] = {
-       smbios_write_type0,
-       smbios_write_type1,
-       smbios_write_type2,
-       smbios_write_type3,
-       smbios_write_type4,
-       smbios_write_type32,
-       smbios_write_type127
-};
-
-u32 write_smbios_table(u32 addr)
-{
-       struct smbios_entry *se;
-       u32 tables;
-       int len = 0;
-       int max_struct_size = 0;
-       int handle = 0;
-       char *istart;
-       int isize;
-       int i;
-
-       /* 16 byte align the table address */
-       addr = ALIGN(addr, 16);
-
-       se = (struct smbios_entry *)addr;
-       memset(se, 0, sizeof(struct smbios_entry));
-
-       addr += sizeof(struct smbios_entry);
-       addr = ALIGN(addr, 16);
-       tables = addr;
-
-       /* populate minimum required tables */
-       for (i = 0; i < ARRAY_SIZE(smbios_write_funcs); i++) {
-               int tmp = smbios_write_funcs[i](&addr, handle++);
-               max_struct_size = max(max_struct_size, tmp);
-               len += tmp;
-       }
-
-       memcpy(se->anchor, "_SM_", 4);
-       se->length = sizeof(struct smbios_entry);
-       se->major_ver = SMBIOS_MAJOR_VER;
-       se->minor_ver = SMBIOS_MINOR_VER;
-       se->max_struct_size = max_struct_size;
-       memcpy(se->intermediate_anchor, "_DMI_", 5);
-       se->struct_table_length = len;
-       se->struct_table_address = tables;
-       se->struct_count = handle;
-
-       /* calculate checksums */
-       istart = (char *)se + SMBIOS_INTERMEDIATE_OFFSET;
-       isize = sizeof(struct smbios_entry) - SMBIOS_INTERMEDIATE_OFFSET;
-       se->intermediate_checksum = table_compute_checksum(istart, isize);
-       se->checksum = table_compute_checksum(se, sizeof(struct smbios_entry));
-
-       return addr;
-}
index 9ee6b5e9249d28c8a9609b8cc37492ae270073e6..e62705af41c4dc254041c80ddca4b17d7ee477d3 100644 (file)
@@ -5,9 +5,9 @@
  */
 
 #include <common.h>
+#include <smbios.h>
 #include <asm/sfi.h>
 #include <asm/mpspec.h>
-#include <asm/smbios.h>
 #include <asm/tables.h>
 #include <asm/acpi_table.h>
 #include <asm/coreboot_tables.h>
diff --git a/include/smbios.h b/include/smbios.h
new file mode 100644 (file)
index 0000000..623a703
--- /dev/null
@@ -0,0 +1,236 @@
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Adapted from coreboot src/include/smbios.h
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef _SMBIOS_H_
+#define _SMBIOS_H_
+
+/* SMBIOS spec version implemented */
+#define SMBIOS_MAJOR_VER       3
+#define SMBIOS_MINOR_VER       0
+
+/* SMBIOS structure types */
+enum {
+       SMBIOS_BIOS_INFORMATION = 0,
+       SMBIOS_SYSTEM_INFORMATION = 1,
+       SMBIOS_BOARD_INFORMATION = 2,
+       SMBIOS_SYSTEM_ENCLOSURE = 3,
+       SMBIOS_PROCESSOR_INFORMATION = 4,
+       SMBIOS_CACHE_INFORMATION = 7,
+       SMBIOS_SYSTEM_SLOTS = 9,
+       SMBIOS_PHYS_MEMORY_ARRAY = 16,
+       SMBIOS_MEMORY_DEVICE = 17,
+       SMBIOS_MEMORY_ARRAY_MAPPED_ADDRESS = 19,
+       SMBIOS_SYSTEM_BOOT_INFORMATION = 32,
+       SMBIOS_END_OF_TABLE = 127
+};
+
+#define SMBIOS_INTERMEDIATE_OFFSET     16
+#define SMBIOS_STRUCT_EOS_BYTES                2
+
+struct __packed smbios_entry {
+       u8 anchor[4];
+       u8 checksum;
+       u8 length;
+       u8 major_ver;
+       u8 minor_ver;
+       u16 max_struct_size;
+       u8 entry_point_rev;
+       u8 formatted_area[5];
+       u8 intermediate_anchor[5];
+       u8 intermediate_checksum;
+       u16 struct_table_length;
+       u32 struct_table_address;
+       u16 struct_count;
+       u8 bcd_rev;
+};
+
+/* BIOS characteristics */
+#define BIOS_CHARACTERISTICS_PCI_SUPPORTED     (1 << 7)
+#define BIOS_CHARACTERISTICS_UPGRADEABLE       (1 << 11)
+#define BIOS_CHARACTERISTICS_SELECTABLE_BOOT   (1 << 16)
+
+#define BIOS_CHARACTERISTICS_EXT1_ACPI         (1 << 0)
+#define BIOS_CHARACTERISTICS_EXT2_TARGET       (1 << 2)
+
+struct __packed smbios_type0 {
+       u8 type;
+       u8 length;
+       u16 handle;
+       u8 vendor;
+       u8 bios_ver;
+       u16 bios_start_segment;
+       u8 bios_release_date;
+       u8 bios_rom_size;
+       u64 bios_characteristics;
+       u8 bios_characteristics_ext1;
+       u8 bios_characteristics_ext2;
+       u8 bios_major_release;
+       u8 bios_minor_release;
+       u8 ec_major_release;
+       u8 ec_minor_release;
+       char eos[SMBIOS_STRUCT_EOS_BYTES];
+};
+
+struct __packed smbios_type1 {
+       u8 type;
+       u8 length;
+       u16 handle;
+       u8 manufacturer;
+       u8 product_name;
+       u8 version;
+       u8 serial_number;
+       u8 uuid[16];
+       u8 wakeup_type;
+       u8 sku_number;
+       u8 family;
+       char eos[SMBIOS_STRUCT_EOS_BYTES];
+};
+
+#define SMBIOS_BOARD_FEATURE_HOSTING   (1 << 0)
+#define SMBIOS_BOARD_MOTHERBOARD       10
+
+struct __packed smbios_type2 {
+       u8 type;
+       u8 length;
+       u16 handle;
+       u8 manufacturer;
+       u8 product_name;
+       u8 version;
+       u8 serial_number;
+       u8 asset_tag_number;
+       u8 feature_flags;
+       u8 chassis_location;
+       u16 chassis_handle;
+       u8 board_type;
+       char eos[SMBIOS_STRUCT_EOS_BYTES];
+};
+
+#define SMBIOS_ENCLOSURE_DESKTOP       3
+#define SMBIOS_STATE_SAFE              3
+#define SMBIOS_SECURITY_NONE           3
+
+struct __packed smbios_type3 {
+       u8 type;
+       u8 length;
+       u16 handle;
+       u8 manufacturer;
+       u8 chassis_type;
+       u8 version;
+       u8 serial_number;
+       u8 asset_tag_number;
+       u8 bootup_state;
+       u8 power_supply_state;
+       u8 thermal_state;
+       u8 security_status;
+       u32 oem_defined;
+       u8 height;
+       u8 number_of_power_cords;
+       u8 element_count;
+       u8 element_record_length;
+       char eos[SMBIOS_STRUCT_EOS_BYTES];
+};
+
+#define SMBIOS_PROCESSOR_TYPE_CENTRAL  3
+#define SMBIOS_PROCESSOR_STATUS_ENABLED        1
+#define SMBIOS_PROCESSOR_UPGRADE_NONE  6
+
+struct __packed smbios_type4 {
+       u8 type;
+       u8 length;
+       u16 handle;
+       u8 socket_designation;
+       u8 processor_type;
+       u8 processor_family;
+       u8 processor_manufacturer;
+       u32 processor_id[2];
+       u8 processor_version;
+       u8 voltage;
+       u16 external_clock;
+       u16 max_speed;
+       u16 current_speed;
+       u8 status;
+       u8 processor_upgrade;
+       u16 l1_cache_handle;
+       u16 l2_cache_handle;
+       u16 l3_cache_handle;
+       u8 serial_number;
+       u8 asset_tag;
+       u8 part_number;
+       u8 core_count;
+       u8 core_enabled;
+       u8 thread_count;
+       u16 processor_characteristics;
+       u16 processor_family2;
+       u16 core_count2;
+       u16 core_enabled2;
+       u16 thread_count2;
+       char eos[SMBIOS_STRUCT_EOS_BYTES];
+};
+
+struct __packed smbios_type32 {
+       u8 type;
+       u8 length;
+       u16 handle;
+       u8 reserved[6];
+       u8 boot_status;
+       u8 eos[SMBIOS_STRUCT_EOS_BYTES];
+};
+
+struct __packed smbios_type127 {
+       u8 type;
+       u8 length;
+       u16 handle;
+       u8 eos[SMBIOS_STRUCT_EOS_BYTES];
+};
+
+struct __packed smbios_header {
+       u8 type;
+       u8 length;
+       u16 handle;
+};
+
+/**
+ * fill_smbios_header() - Fill the header of an SMBIOS table
+ *
+ * This fills the header of an SMBIOS table structure.
+ *
+ * @table:     start address of the structure
+ * @type:      the type of structure
+ * @length:    the length of the formatted area of the structure
+ * @handle:    the structure's handle, a unique 16-bit number
+ */
+static inline void fill_smbios_header(void *table, int type,
+                                     int length, int handle)
+{
+       struct smbios_header *header = table;
+
+       header->type = type;
+       header->length = length - SMBIOS_STRUCT_EOS_BYTES;
+       header->handle = handle;
+}
+
+/**
+ * Function prototype to write a specific type of SMBIOS structure
+ *
+ * @addr:      start address to write the structure
+ * @handle:    the structure's handle, a unique 16-bit number
+ * @return:    size of the structure
+ */
+typedef int (*smbios_write_type)(u32 *addr, int handle);
+
+/**
+ * write_smbios_table() - Write SMBIOS table
+ *
+ * This writes SMBIOS table at a given address.
+ *
+ * @addr:      start address to write SMBIOS table
+ * @return:    end address of SMBIOS table
+ */
+u32 write_smbios_table(u32 addr);
+
+#endif /* _SMBIOS_H_ */
index 0e0d8efd33f045719ccde573ec30928f0ee66a56..4c098c064e76d40c6ceef2ff207513fb8b8e7556 100644 (file)
@@ -163,6 +163,39 @@ config FDT_FIXUP_PARTITIONS
          using partition info defined in the 'mtdparts' environment
          variable.
 
+menu "System tables"
+       depends on !EFI && !SYS_COREBOOT
+
+config GENERATE_SMBIOS_TABLE
+       bool "Generate an SMBIOS (System Management BIOS) table"
+       default y
+       depends on X86
+       help
+         The System Management BIOS (SMBIOS) specification addresses how
+         motherboard and system vendors present management information about
+         their products in a standard format by extending the BIOS interface
+         on Intel architecture systems.
+
+         Check http://www.dmtf.org/standards/smbios for details.
+
+config SMBIOS_MANUFACTURER
+       string "SMBIOS Manufacturer"
+       depends on GENERATE_SMBIOS_TABLE
+       default SYS_VENDOR
+       help
+         The board manufacturer to store in SMBIOS structures.
+         Change this to override the default one (CONFIG_SYS_VENDOR).
+
+config SMBIOS_PRODUCT_NAME
+       string "SMBIOS Product Name"
+       depends on GENERATE_SMBIOS_TABLE
+       default SYS_BOARD
+       help
+         The product name to store in SMBIOS structures.
+         Change this to override the default one (CONFIG_SYS_BOARD).
+
+endmenu
+
 source lib/efi/Kconfig
 source lib/efi_loader/Kconfig
 
index 3842e7d98923245728b5931f2e4b38f030b5ad88..23e9f1ef11dbb50ceba3f60dc60a59bd5a7edd93 100644 (file)
@@ -27,6 +27,7 @@ obj-$(CONFIG_FIT) += fdtdec_common.o
 obj-$(CONFIG_TEST_FDTDEC) += fdtdec_test.o
 obj-$(CONFIG_GZIP) += gunzip.o
 obj-$(CONFIG_GZIP_COMPRESSED) += gzip.o
+obj-$(CONFIG_GENERATE_SMBIOS_TABLE) += smbios.o
 obj-y += initcall.o
 obj-$(CONFIG_LMB) += lmb.o
 obj-y += ldiv.o
diff --git a/lib/smbios.c b/lib/smbios.c
new file mode 100644 (file)
index 0000000..9808ee7
--- /dev/null
@@ -0,0 +1,269 @@
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * Adapted from coreboot src/arch/x86/smbios.c
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <smbios.h>
+#include <tables_csum.h>
+#include <version.h>
+#include <asm/cpu.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/**
+ * smbios_add_string() - add a string to the string area
+ *
+ * This adds a string to the string area which is appended directly after
+ * the formatted portion of an SMBIOS structure.
+ *
+ * @start:     string area start address
+ * @str:       string to add
+ * @return:    string number in the string area
+ */
+static 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++;
+       }
+}
+
+/**
+ * smbios_string_table_len() - compute the string area size
+ *
+ * This computes the size of the string area including the string terminator.
+ *
+ * @start:     string area start address
+ * @return:    string area size
+ */
+static 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_write_type0(u32 *current, int handle)
+{
+       struct smbios_type0 *t = (struct smbios_type0 *)*current;
+       int len = sizeof(struct smbios_type0);
+
+       memset(t, 0, sizeof(struct smbios_type0));
+       fill_smbios_header(t, SMBIOS_BIOS_INFORMATION, len, handle);
+       t->vendor = smbios_add_string(t->eos, "U-Boot");
+       t->bios_ver = smbios_add_string(t->eos, PLAIN_VERSION);
+       t->bios_release_date = smbios_add_string(t->eos, U_BOOT_DMI_DATE);
+       t->bios_rom_size = (CONFIG_ROM_SIZE / 65536) - 1;
+       t->bios_characteristics = BIOS_CHARACTERISTICS_PCI_SUPPORTED |
+                                 BIOS_CHARACTERISTICS_SELECTABLE_BOOT |
+                                 BIOS_CHARACTERISTICS_UPGRADEABLE;
+#ifdef CONFIG_GENERATE_ACPI_TABLE
+       t->bios_characteristics_ext1 = BIOS_CHARACTERISTICS_EXT1_ACPI;
+#endif
+       t->bios_characteristics_ext2 = BIOS_CHARACTERISTICS_EXT2_TARGET;
+       t->bios_major_release = 0xff;
+       t->bios_minor_release = 0xff;
+       t->ec_major_release = 0xff;
+       t->ec_minor_release = 0xff;
+
+       len = t->length + smbios_string_table_len(t->eos);
+       *current += len;
+
+       return len;
+}
+
+static int smbios_write_type1(u32 *current, int handle)
+{
+       struct smbios_type1 *t = (struct smbios_type1 *)*current;
+       int len = sizeof(struct smbios_type1);
+
+       memset(t, 0, sizeof(struct smbios_type1));
+       fill_smbios_header(t, SMBIOS_SYSTEM_INFORMATION, len, handle);
+       t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER);
+       t->product_name = smbios_add_string(t->eos, CONFIG_SMBIOS_PRODUCT_NAME);
+
+       len = t->length + smbios_string_table_len(t->eos);
+       *current += len;
+
+       return len;
+}
+
+static int smbios_write_type2(u32 *current, int handle)
+{
+       struct smbios_type2 *t = (struct smbios_type2 *)*current;
+       int len = sizeof(struct smbios_type2);
+
+       memset(t, 0, sizeof(struct smbios_type2));
+       fill_smbios_header(t, SMBIOS_BOARD_INFORMATION, len, handle);
+       t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER);
+       t->product_name = smbios_add_string(t->eos, CONFIG_SMBIOS_PRODUCT_NAME);
+       t->feature_flags = SMBIOS_BOARD_FEATURE_HOSTING;
+       t->board_type = SMBIOS_BOARD_MOTHERBOARD;
+
+       len = t->length + smbios_string_table_len(t->eos);
+       *current += len;
+
+       return len;
+}
+
+static int smbios_write_type3(u32 *current, int handle)
+{
+       struct smbios_type3 *t = (struct smbios_type3 *)*current;
+       int len = sizeof(struct smbios_type3);
+
+       memset(t, 0, sizeof(struct smbios_type3));
+       fill_smbios_header(t, SMBIOS_SYSTEM_ENCLOSURE, len, handle);
+       t->manufacturer = smbios_add_string(t->eos, CONFIG_SMBIOS_MANUFACTURER);
+       t->chassis_type = SMBIOS_ENCLOSURE_DESKTOP;
+       t->bootup_state = SMBIOS_STATE_SAFE;
+       t->power_supply_state = SMBIOS_STATE_SAFE;
+       t->thermal_state = SMBIOS_STATE_SAFE;
+       t->security_status = SMBIOS_SECURITY_NONE;
+
+       len = t->length + smbios_string_table_len(t->eos);
+       *current += len;
+
+       return len;
+}
+
+static int smbios_write_type4(u32 *current, int handle)
+{
+       struct smbios_type4 *t = (struct smbios_type4 *)*current;
+       int len = sizeof(struct smbios_type4);
+       const char *vendor;
+       char *name;
+       char processor_name[CPU_MAX_NAME_LEN];
+       struct cpuid_result res;
+
+       memset(t, 0, sizeof(struct smbios_type4));
+       fill_smbios_header(t, SMBIOS_PROCESSOR_INFORMATION, len, handle);
+       t->processor_type = SMBIOS_PROCESSOR_TYPE_CENTRAL;
+       t->processor_family = gd->arch.x86;
+       vendor = cpu_vendor_name(gd->arch.x86_vendor);
+       t->processor_manufacturer = smbios_add_string(t->eos, vendor);
+       res = cpuid(1);
+       t->processor_id[0] = res.eax;
+       t->processor_id[1] = res.edx;
+       name = cpu_get_name(processor_name);
+       t->processor_version = smbios_add_string(t->eos, name);
+       t->status = SMBIOS_PROCESSOR_STATUS_ENABLED;
+       t->processor_upgrade = SMBIOS_PROCESSOR_UPGRADE_NONE;
+       t->l1_cache_handle = 0xffff;
+       t->l2_cache_handle = 0xffff;
+       t->l3_cache_handle = 0xffff;
+       t->processor_family2 = t->processor_family;
+
+       len = t->length + smbios_string_table_len(t->eos);
+       *current += len;
+
+       return len;
+}
+
+static int smbios_write_type32(u32 *current, int handle)
+{
+       struct smbios_type32 *t = (struct smbios_type32 *)*current;
+       int len = sizeof(struct smbios_type32);
+
+       memset(t, 0, sizeof(struct smbios_type32));
+       fill_smbios_header(t, SMBIOS_SYSTEM_BOOT_INFORMATION, len, handle);
+
+       *current += len;
+
+       return len;
+}
+
+static int smbios_write_type127(u32 *current, int handle)
+{
+       struct smbios_type127 *t = (struct smbios_type127 *)*current;
+       int len = sizeof(struct smbios_type127);
+
+       memset(t, 0, sizeof(struct smbios_type127));
+       fill_smbios_header(t, SMBIOS_END_OF_TABLE, len, handle);
+
+       *current += len;
+
+       return len;
+}
+
+static smbios_write_type smbios_write_funcs[] = {
+       smbios_write_type0,
+       smbios_write_type1,
+       smbios_write_type2,
+       smbios_write_type3,
+       smbios_write_type4,
+       smbios_write_type32,
+       smbios_write_type127
+};
+
+u32 write_smbios_table(u32 addr)
+{
+       struct smbios_entry *se;
+       u32 tables;
+       int len = 0;
+       int max_struct_size = 0;
+       int handle = 0;
+       char *istart;
+       int isize;
+       int i;
+
+       /* 16 byte align the table address */
+       addr = ALIGN(addr, 16);
+
+       se = (struct smbios_entry *)addr;
+       memset(se, 0, sizeof(struct smbios_entry));
+
+       addr += sizeof(struct smbios_entry);
+       addr = ALIGN(addr, 16);
+       tables = addr;
+
+       /* populate minimum required tables */
+       for (i = 0; i < ARRAY_SIZE(smbios_write_funcs); i++) {
+               int tmp = smbios_write_funcs[i](&addr, handle++);
+               max_struct_size = max(max_struct_size, tmp);
+               len += tmp;
+       }
+
+       memcpy(se->anchor, "_SM_", 4);
+       se->length = sizeof(struct smbios_entry);
+       se->major_ver = SMBIOS_MAJOR_VER;
+       se->minor_ver = SMBIOS_MINOR_VER;
+       se->max_struct_size = max_struct_size;
+       memcpy(se->intermediate_anchor, "_DMI_", 5);
+       se->struct_table_length = len;
+       se->struct_table_address = tables;
+       se->struct_count = handle;
+
+       /* calculate checksums */
+       istart = (char *)se + SMBIOS_INTERMEDIATE_OFFSET;
+       isize = sizeof(struct smbios_entry) - SMBIOS_INTERMEDIATE_OFFSET;
+       se->intermediate_checksum = table_compute_checksum(istart, isize);
+       se->checksum = table_compute_checksum(se, sizeof(struct smbios_entry));
+
+       return addr;
+}