Add automatic SMBIOS table generation

Change-Id: I0ae16dda8969638a8f70fe1d2e29e992aef3a834
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Reviewed-on: http://review.coreboot.org/152
Tested-by: build bot (Jenkins)

3 files changed, 204 insertions, 0 deletions

diff --git a/src/include/cbmem.h b/src/include/cbmem.h
index d9ec93c60c..7c5ec0784d 100644
--- a/src/include/cbmem.h
+++ b/src/include/cbmem.h
@@ -38,6 +38,7 @@ extern uint64_t high_tables_base, high_tables_size;
 #define CBMEM_ID_PIRQ		0x49525154
 #define CBMEM_ID_MPTABLE	0x534d5054
 #define CBMEM_ID_RESUME		0x5245534d
+#define CBMEM_ID_SMBIOS         0x534d4254
 #define CBMEM_ID_NONE		0x00000000
 
 void cbmem_initialize(void);
diff --git a/src/include/device/device.h b/src/include/device/device.h
index 42b68f6c39..a7de0c9bb2 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -16,6 +16,9 @@ struct smbus_bus_operations;
 struct chip_operations {
 	void (*enable_dev)(struct device *dev);
 	const char *name;
+#if CONFIG_GENERATE_SMBIOS_TABLES
+	int (*get_smbios_data)(device_t dev, int *handle, unsigned long *current);
+#endif
 };
 
 #define CHIP_NAME(X) .name = X,
@@ -31,6 +34,9 @@ struct device_operations {
 	void (*enable)(device_t dev);
 	void (*set_link)(device_t dev, unsigned int link);
 	void (*reset_bus)(struct bus *bus);
+#if CONFIG_GENERATE_SMBIOS_TABLES
+	int (*get_smbios_data)(device_t dev, int *handle, unsigned long *current);
+#endif
 	const struct pci_operations *ops_pci;
 	const struct smbus_bus_operations *ops_smbus_bus;
 	const struct pci_bus_operations *ops_pci_bus;
diff --git a/src/include/smbios.h b/src/include/smbios.h
new file mode 100644
index 0000000000..f13d6217db
--- /dev/null
+++ b/src/include/smbios.h
@@ -0,0 +1,197 @@
+#ifndef SMBIOS_H
+#define SMBIOS_H
+
+#include <types.h>
+
+unsigned long smbios_write_tables(unsigned long start);
+int smbios_add_string(char *start, const char *str);
+int smbios_string_table_len(char *start);
+
+#define BIOS_CHARACTERISTICS_PCI_SUPPORTED  (1 << 7)
+#define BIOS_CHARACTERISTICS_PC_CARD  (1 << 8)
+#define BIOS_CHARACTERISTICS_PNP  (1 << 9)
+#define BIOS_CHARACTERISTICS_APM (1 << 10)
+#define BIOS_CHARACTERISTICS_UPGRADEABLE      (1 << 11)
+#define BIOS_CHARACTERISTICS_SHADOW           (1 << 12)
+#define BIOS_CHARACTERISTICS_BOOT_FROM_CD     (1 << 15)
+#define BIOS_CHARACTERISTICS_SELECTABLE_BOOT  (1 << 16)
+#define BIOS_CHARACTERISTICS_BIOS_SOCKETED    (1 << 17)
+
+#define BIOS_EXT1_CHARACTERISTICS_ACPI    (1 << 0)
+#define BIOS_EXT2_CHARACTERISTICS_TARGET  (1 << 2)
+
+#define SMBIOS_STATE_SAFE 3
+typedef enum {
+	SMBIOS_BIOS_INFORMATION=0,
+	SMBIOS_SYSTEM_INFORMATION=1,
+	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,
+} smbios_struct_type_t;
+
+struct smbios_entry {
+	u8 anchor[4];
+	u8 checksum;
+	u8 length;
+	u8 major_version;
+	u8 minor_version;
+	u16 max_struct_size;
+	u8 entry_point_rev;
+	u8 formwatted_area[5];
+	u8 intermediate_anchor_string[5];
+	u8 intermediate_checksum;
+	u16 struct_table_length;
+	u32 struct_table_address;
+	u16 struct_count;
+	u8 smbios_bcd_revision;
+} __attribute__((packed));
+
+struct smbios_type0 {
+	u8 type;
+	u8 length;
+	u16 handle;
+	u8 vendor;
+	u8 bios_version;
+	u16 bios_start_segment;
+	u8 bios_release_date;
+	u8 bios_rom_size;
+	u64 bios_characteristics;
+	u8 bios_characteristics_ext1;
+	u8 bios_characteristics_ext2;
+	u8 system_bios_major_release;
+	u8 system_bios_minor_release;
+	u8 ec_major_release;
+	u8 ec_minor_release;
+	char eos[2];
+} __attribute__((packed));
+
+struct 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;
+	u8 family;
+	char eos[2];
+} __attribute__((packed));
+
+struct smbios_type3 {
+	u8 type;
+	u8 length;
+	u16 handle;
+	u8 manufacturer;
+	u8 _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[2];
+} __attribute__((packed));
+
+struct 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;
+	char eos[2];
+} __attribute__((packed));
+
+struct smbios_type16 {
+	u8 type;
+	u8 length;
+	u16 handle;
+	u8 location;
+	u8 use;
+	u8 memory_error_correction;
+	u32 maximum_capacity;
+	u16 memory_error_information_handle;
+	u16 number_of_memory_devices;
+	u64 extended_maximum_capacity;
+	char eos[2];
+} __attribute__((packed));
+
+struct smbios_type17 {
+	u8 type;
+	u8 length;
+	u16 handle;
+	u16 phys_memory_array_handle;
+	u16 memory_error_information_handle;
+	u16 total_width;
+	u16 data_width;
+	u16 size;
+	u8 form_factor;
+	u8 device_set;
+	u8 device_locator;
+	u8 bank_locator;
+	u8 memory_type;
+	u16 type_detail;
+	u16 speed;
+	u8 manufacturer;
+	u8 serial_number;
+	u8 asset_tag;
+	u8 part_number;
+	u8 attributes;
+	u16 extended_size;
+	u16 clock_speed;
+
+	char eos[2];
+} __attribute__((packed));
+
+struct smbios_type32 {
+	u8 type;
+	u8 length;
+	u16 handle;
+	u8 reserved[6];
+	u8 boot_status;
+	u8 eos[2];
+} __attribute__((packed));
+
+struct smbios_type127 {
+	u8 type;
+	u8 length;
+	u16 handle;
+	u8 eos[2];
+} __attribute__((packed));
+
+#endif