mirror of
https://github.com/u-boot/u-boot.git
synced 2025-04-18 10:54:37 +00:00
sysinfo: Add sysinfo driver and data structure for smbios
Add sysinfo driver to retrieve smbios information (Type 4 and 7). So that the smbios library can use it for getting values from the hardware platform instead of device tree. Signed-off-by: Raymond Mao <raymond.mao@linaro.org>
This commit is contained in:
parent
3914a2e0dc
commit
ce562b42ce
4 changed files with 461 additions and 1 deletions
|
@ -5,14 +5,240 @@
|
|||
*/
|
||||
|
||||
#include <dm.h>
|
||||
#include <smbios_plat.h>
|
||||
#include <sysinfo.h>
|
||||
|
||||
/* platform information storage */
|
||||
struct processor_info processor_info;
|
||||
struct cache_info cache_info[SYSINFO_CACHE_LVL_MAX];
|
||||
struct sysinfo_plat sysinfo_smbios_p = {
|
||||
/* Processor Information */
|
||||
.processor = &processor_info,
|
||||
/* Cache Information */
|
||||
.cache = &cache_info[0],
|
||||
};
|
||||
|
||||
/* structure for smbios private data storage */
|
||||
struct sysinfo_plat_priv {
|
||||
struct processor_info *t4;
|
||||
struct smbios_type7 t7[SYSINFO_CACHE_LVL_MAX];
|
||||
u16 cache_handles[SYSINFO_CACHE_LVL_MAX];
|
||||
u8 cache_level;
|
||||
};
|
||||
|
||||
static void smbios_cache_info_dump(struct smbios_type7 *cache_info)
|
||||
{
|
||||
log_debug("SMBIOS Type 7 (Cache Information):\n");
|
||||
log_debug("Cache Configuration: 0x%04x\n", cache_info->config.data);
|
||||
log_debug("Maximum Cache Size: %u KB\n", cache_info->max_size.data);
|
||||
log_debug("Installed Size: %u KB\n", cache_info->inst_size.data);
|
||||
log_debug("Supported SRAM Type: 0x%04x\n",
|
||||
cache_info->supp_sram_type.data);
|
||||
log_debug("Current SRAM Type: 0x%04x\n",
|
||||
cache_info->curr_sram_type.data);
|
||||
log_debug("Cache Speed: %u\n", cache_info->speed);
|
||||
log_debug("Error Correction Type: %u\n", cache_info->err_corr_type);
|
||||
log_debug("System Cache Type: %u\n", cache_info->sys_cache_type);
|
||||
log_debug("Associativity: %u\n", cache_info->associativity);
|
||||
log_debug("Maximum Cache Size 2: %u KB\n", cache_info->max_size2.data);
|
||||
log_debug("Installed Cache Size 2: %u KB\n",
|
||||
cache_info->inst_size2.data);
|
||||
}
|
||||
|
||||
/* weak function for the platforms not yet supported */
|
||||
__weak int sysinfo_get_cache_info(u8 level, struct cache_info *cache_info)
|
||||
{
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
__weak int sysinfo_get_processor_info(struct processor_info *pinfo)
|
||||
{
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
void sysinfo_cache_info_default(struct cache_info *ci)
|
||||
{
|
||||
memset(ci, 0, sizeof(*ci));
|
||||
ci->config.data = SMBIOS_CACHE_LOCATE_UNKNOWN | SMBIOS_CACHE_OP_UND;
|
||||
ci->supp_sram_type.fields.unknown = 1;
|
||||
ci->curr_sram_type.fields.unknown = 1;
|
||||
ci->speed = SMBIOS_CACHE_SPEED_UNKNOWN;
|
||||
ci->err_corr_type = SMBIOS_CACHE_ERRCORR_UNKNOWN;
|
||||
ci->cache_type = SMBIOS_CACHE_SYSCACHE_TYPE_UNKNOWN;
|
||||
}
|
||||
|
||||
static int sysinfo_plat_detect(struct udevice *dev)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sysinfo_plat_get_str(struct udevice *dev, int id,
|
||||
size_t size, char *val)
|
||||
{
|
||||
struct sysinfo_plat_priv *priv = dev_get_priv(dev);
|
||||
const char *str = NULL;
|
||||
|
||||
switch (id) {
|
||||
case SYSID_SM_PROCESSOR_MANUFACT:
|
||||
str = priv->t4->manufacturer;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if (!str)
|
||||
return -ENOSYS;
|
||||
|
||||
strlcpy(val, str, size);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sysinfo_plat_get_int(struct udevice *dev, int id, int *val)
|
||||
{
|
||||
struct sysinfo_plat_priv *priv = dev_get_priv(dev);
|
||||
u8 i;
|
||||
|
||||
if (id >= SYSID_SM_CACHE_INFO_START &&
|
||||
id <= SYSID_SM_CACHE_INFO_END) {
|
||||
/* For smbios type 7 */
|
||||
for (i = 0; i < priv->cache_level; i++) {
|
||||
switch (id - i) {
|
||||
case SYSID_SM_CACHE_MAX_SIZE:
|
||||
*val = priv->t7[i].max_size.data;
|
||||
return 0;
|
||||
case SYSID_SM_CACHE_INST_SIZE:
|
||||
*val = priv->t7[i].inst_size.data;
|
||||
return 0;
|
||||
case SYSID_SM_CACHE_SCACHE_TYPE:
|
||||
*val = priv->t7[i].sys_cache_type;
|
||||
return 0;
|
||||
case SYSID_SM_CACHE_ASSOC:
|
||||
*val = priv->t7[i].associativity;
|
||||
return 0;
|
||||
case SYSID_SM_CACHE_MAX_SIZE2:
|
||||
*val = priv->t7[i].max_size2.data;
|
||||
return 0;
|
||||
case SYSID_SM_CACHE_INST_SIZE2:
|
||||
*val = priv->t7[i].inst_size2.data;
|
||||
return 0;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
switch (id) {
|
||||
case SYSID_SM_PROCESSOR_CORE_CNT:
|
||||
*val = priv->t4->core_count;
|
||||
break;
|
||||
case SYSID_SM_PROCESSOR_CORE_EN:
|
||||
*val = priv->t4->core_enabled;
|
||||
break;
|
||||
case SYSID_SM_PROCESSOR_CHARA:
|
||||
*val = priv->t4->characteristics;
|
||||
break;
|
||||
case SYSID_SM_CACHE_LEVEL:
|
||||
if (!priv->cache_level) /* No cache detected */
|
||||
return -ENOSYS;
|
||||
*val = priv->cache_level - 1;
|
||||
break;
|
||||
default:
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sysinfo_plat_get_data(struct udevice *dev, int id, void **buf,
|
||||
size_t *size)
|
||||
{
|
||||
struct sysinfo_plat_priv *priv = dev_get_priv(dev);
|
||||
|
||||
switch (id) {
|
||||
case SYSID_SM_PROCESSOR_ID:
|
||||
*buf = priv->t4->id;
|
||||
*size = sizeof(priv->t4->id);
|
||||
break;
|
||||
case SYSID_SM_CACHE_HANDLE:
|
||||
*buf = &priv->cache_handles[0];
|
||||
*size = sizeof(priv->cache_handles);
|
||||
break;
|
||||
default:
|
||||
return -EOPNOTSUPP;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sysinfo_plat_probe(struct udevice *dev)
|
||||
{
|
||||
struct sysinfo_plat_priv *priv = dev_get_priv(dev);
|
||||
struct sysinfo_plat *plat = &sysinfo_smbios_p;
|
||||
u8 level;
|
||||
|
||||
if (!sysinfo_get_processor_info(plat->processor))
|
||||
priv->t4 = plat->processor;
|
||||
|
||||
for (level = 0; level < SYSINFO_CACHE_LVL_MAX; level++) {
|
||||
struct cache_info *pcache = plat->cache + level;
|
||||
|
||||
if (sysinfo_get_cache_info(level, pcache))
|
||||
break; /* no more levels */
|
||||
|
||||
/*
|
||||
* Fill in the SMBIOS type 7 structure,
|
||||
* skip the header members (type, length, handle),
|
||||
* and the ones in DT smbios node.
|
||||
*/
|
||||
priv->t7[level].sys_cache_type = pcache->cache_type;
|
||||
priv->t7[level].associativity = pcache->associativity;
|
||||
|
||||
if (pcache->max_size > SMBIOS_CACHE_SIZE_EXT_KB) {
|
||||
priv->t7[level].max_size.data = 0xFFFF;
|
||||
priv->t7[level].max_size2.fields.size =
|
||||
pcache->max_size / 64;
|
||||
priv->t7[level].max_size2.fields.granu =
|
||||
SMBIOS_CACHE_GRANU_64K;
|
||||
} else {
|
||||
priv->t7[level].max_size.fields.size = pcache->max_size;
|
||||
priv->t7[level].max_size.fields.granu =
|
||||
SMBIOS_CACHE_GRANU_1K;
|
||||
priv->t7[level].max_size2.data = 0;
|
||||
}
|
||||
if (pcache->inst_size > SMBIOS_CACHE_SIZE_EXT_KB) {
|
||||
priv->t7[level].inst_size.data = 0xFFFF;
|
||||
priv->t7[level].inst_size2.fields.size =
|
||||
pcache->inst_size / 64;
|
||||
priv->t7[level].inst_size2.fields.granu =
|
||||
SMBIOS_CACHE_GRANU_64K;
|
||||
} else {
|
||||
priv->t7[level].inst_size.fields.size =
|
||||
pcache->inst_size;
|
||||
priv->t7[level].inst_size.fields.granu =
|
||||
SMBIOS_CACHE_GRANU_1K;
|
||||
priv->t7[level].inst_size2.data = 0;
|
||||
}
|
||||
smbios_cache_info_dump(&priv->t7[level]);
|
||||
}
|
||||
if (!level) /* no cache detected */
|
||||
return -ENOSYS;
|
||||
|
||||
priv->cache_level = level;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct udevice_id sysinfo_smbios_ids[] = {
|
||||
{ .compatible = "u-boot,sysinfo-smbios" },
|
||||
{ /* sentinel */ }
|
||||
};
|
||||
|
||||
static const struct sysinfo_ops sysinfo_smbios_ops = {
|
||||
.detect = sysinfo_plat_detect,
|
||||
.get_str = sysinfo_plat_get_str,
|
||||
.get_int = sysinfo_plat_get_int,
|
||||
.get_data = sysinfo_plat_get_data,
|
||||
};
|
||||
|
||||
U_BOOT_DRIVER(sysinfo_smbios) = {
|
||||
|
@ -20,4 +246,6 @@ U_BOOT_DRIVER(sysinfo_smbios) = {
|
|||
.id = UCLASS_SYSINFO,
|
||||
.of_match = sysinfo_smbios_ids,
|
||||
.ops = &sysinfo_smbios_ops,
|
||||
.priv_auto = sizeof(struct sysinfo_plat_priv),
|
||||
.probe = sysinfo_plat_probe,
|
||||
};
|
||||
|
|
|
@ -187,6 +187,66 @@ struct __packed smbios_type4 {
|
|||
char eos[SMBIOS_STRUCT_EOS_BYTES];
|
||||
};
|
||||
|
||||
union cache_config {
|
||||
struct {
|
||||
u16 level:3;
|
||||
u16 bsocketed:1;
|
||||
u16 rsvd0:1;
|
||||
u16 locate:2;
|
||||
u16 benabled:1;
|
||||
u16 opmode:2;
|
||||
u16 rsvd1:6;
|
||||
} fields;
|
||||
u16 data;
|
||||
};
|
||||
|
||||
union cache_size_word {
|
||||
struct {
|
||||
u16 size:15;
|
||||
u16 granu:1;
|
||||
} fields;
|
||||
u16 data;
|
||||
};
|
||||
|
||||
union cache_size_dword {
|
||||
struct {
|
||||
u32 size:31;
|
||||
u32 granu:1;
|
||||
} fields;
|
||||
u32 data;
|
||||
};
|
||||
|
||||
union cache_sram_type {
|
||||
struct {
|
||||
u16 other:1;
|
||||
u16 unknown:1;
|
||||
u16 nonburst:1;
|
||||
u16 burst:1;
|
||||
u16 plburst:1;
|
||||
u16 sync:1;
|
||||
u16 async:1;
|
||||
u16 rsvd:9;
|
||||
} fields;
|
||||
u16 data;
|
||||
};
|
||||
|
||||
struct __packed smbios_type7 {
|
||||
struct smbios_header hdr;
|
||||
u8 socket_design;
|
||||
union cache_config config;
|
||||
union cache_size_word max_size;
|
||||
union cache_size_word inst_size;
|
||||
union cache_sram_type supp_sram_type;
|
||||
union cache_sram_type curr_sram_type;
|
||||
u8 speed;
|
||||
u8 err_corr_type;
|
||||
u8 sys_cache_type;
|
||||
u8 associativity;
|
||||
union cache_size_dword max_size2;
|
||||
union cache_size_dword inst_size2;
|
||||
char eos[SMBIOS_STRUCT_EOS_BYTES];
|
||||
};
|
||||
|
||||
struct __packed smbios_type32 {
|
||||
u8 type;
|
||||
u8 length;
|
||||
|
|
79
include/smbios_plat.h
Normal file
79
include/smbios_plat.h
Normal file
|
@ -0,0 +1,79 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0+ */
|
||||
/*
|
||||
* Copyright (c) 2024 Linaro Limited
|
||||
* Author: Raymond Mao <raymond.mao@linaro.org>
|
||||
*/
|
||||
#ifndef __SMBIOS_PLAT_H
|
||||
#define __SMBIOS_PLAT_H
|
||||
|
||||
#include <smbios.h>
|
||||
|
||||
struct cache_info {
|
||||
union cache_config config;
|
||||
union cache_sram_type supp_sram_type;
|
||||
union cache_sram_type curr_sram_type;
|
||||
u32 line_size;
|
||||
u32 associativity;
|
||||
u32 max_size;
|
||||
u32 inst_size;
|
||||
u8 cache_type;
|
||||
u8 speed;
|
||||
u8 err_corr_type;
|
||||
char *socket_design;
|
||||
};
|
||||
|
||||
struct processor_info {
|
||||
u32 id[2];
|
||||
u16 ext_clock;
|
||||
u16 max_speed;
|
||||
u16 curr_speed;
|
||||
u16 characteristics;
|
||||
u16 family2;
|
||||
u16 core_count2;
|
||||
u16 core_enabled2;
|
||||
u16 thread_count2;
|
||||
u16 thread_enabled;
|
||||
u8 type;
|
||||
u8 family;
|
||||
u8 voltage;
|
||||
u8 status;
|
||||
u8 upgrade;
|
||||
u8 core_count;
|
||||
u8 core_enabled;
|
||||
u8 thread_count;
|
||||
char *socket_design;
|
||||
char *manufacturer;
|
||||
char *version;
|
||||
char *sn;
|
||||
char *asset_tag;
|
||||
char *pn;
|
||||
};
|
||||
|
||||
struct sysinfo_plat {
|
||||
struct processor_info *processor;
|
||||
struct cache_info *cache;
|
||||
/* add other sysinfo structure here */
|
||||
};
|
||||
|
||||
#if defined CONFIG_SYSINFO_SMBIOS
|
||||
int sysinfo_get_cache_info(u8 level, struct cache_info *cache_info);
|
||||
void sysinfo_cache_info_default(struct cache_info *ci);
|
||||
int sysinfo_get_processor_info(struct processor_info *pinfo);
|
||||
#else
|
||||
static inline int sysinfo_get_cache_info(u8 level,
|
||||
struct cache_info *cache_info)
|
||||
{
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
static inline void sysinfo_cache_info_default(struct cache_info *ci)
|
||||
{
|
||||
}
|
||||
|
||||
static inline int sysinfo_get_processor_info(struct processor_info *pinfo)
|
||||
{
|
||||
return -ENOSYS;
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __SMBIOS_PLAT_H */
|
|
@ -11,6 +11,8 @@
|
|||
|
||||
struct udevice;
|
||||
|
||||
#define SYSINFO_CACHE_LVL_MAX 3
|
||||
|
||||
/*
|
||||
* This uclass encapsulates hardware methods to gather information about a
|
||||
* sysinfo or a specific device such as hard-wired GPIOs on GPIO expanders,
|
||||
|
@ -42,18 +44,109 @@ struct udevice;
|
|||
enum sysinfo_id {
|
||||
SYSID_NONE,
|
||||
|
||||
/* For SMBIOS tables */
|
||||
/* BIOS Information (Type 0) */
|
||||
SYSID_SM_BIOS_VENDOR,
|
||||
SYSID_SM_BIOS_VER,
|
||||
SYSID_SM_BIOS_REL_DATE,
|
||||
|
||||
/* System Information (Type 1) */
|
||||
SYSID_SM_SYSTEM_MANUFACTURER,
|
||||
SYSID_SM_SYSTEM_PRODUCT,
|
||||
SYSID_SM_SYSTEM_VERSION,
|
||||
SYSID_SM_SYSTEM_SERIAL,
|
||||
SYSID_SM_SYSTEM_WAKEUP,
|
||||
SYSID_SM_SYSTEM_SKU,
|
||||
SYSID_SM_SYSTEM_FAMILY,
|
||||
|
||||
/* Baseboard (or Module) Information (Type 2) */
|
||||
SYSID_SM_BASEBOARD_MANUFACTURER,
|
||||
SYSID_SM_BASEBOARD_PRODUCT,
|
||||
SYSID_SM_BASEBOARD_VERSION,
|
||||
SYSID_SM_BASEBOARD_SERIAL,
|
||||
SYSID_SM_BASEBOARD_ASSET_TAG,
|
||||
SYSID_SM_BASEBOARD_FEATURE,
|
||||
SYSID_SM_BASEBOARD_CHASSIS_LOCAT,
|
||||
SYSID_SM_BASEBOARD_TYPE,
|
||||
SYSID_SM_BASEBOARD_OBJS_NUM,
|
||||
SYSID_SM_BASEBOARD_OBJS_HANDLE,
|
||||
|
||||
/* System Enclosure or Chassis (Type 3) */
|
||||
SYSID_SM_ENCLOSURE_MANUFACTURER,
|
||||
SYSID_SM_ENCLOSURE_VERSION,
|
||||
SYSID_SM_ENCLOSURE_SERIAL,
|
||||
SYSID_SM_ENCLOSURE_ASSET_TAG,
|
||||
SYSID_SM_ENCLOSURE_TYPE,
|
||||
SYSID_SM_ENCLOSURE_BOOTUP,
|
||||
SYSID_SM_ENCLOSURE_POW,
|
||||
SYSID_SM_ENCLOSURE_THERMAL,
|
||||
SYSID_SM_ENCLOSURE_SECURITY,
|
||||
SYSID_SM_ENCLOSURE_OEM,
|
||||
SYSID_SM_ENCLOSURE_HEIGHT,
|
||||
SYSID_SM_ENCLOSURE_POWCORE_NUM,
|
||||
SYSID_SM_ENCLOSURE_ELEMENT_CNT,
|
||||
SYSID_SM_ENCLOSURE_ELEMENT_LEN,
|
||||
SYSID_SM_ENCLOSURE_ELEMENTS,
|
||||
SYSID_SM_ENCLOSURE_SKU,
|
||||
|
||||
/* Processor Information (Type 4) */
|
||||
SYSID_SM_PROCESSOR_SOCKET,
|
||||
SYSID_SM_PROCESSOR_TYPE,
|
||||
SYSID_SM_PROCESSOR_MANUFACT,
|
||||
SYSID_SM_PROCESSOR_ID,
|
||||
SYSID_SM_PROCESSOR_VERSION,
|
||||
SYSID_SM_PROCESSOR_VOLTAGE,
|
||||
SYSID_SM_PROCESSOR_EXT_CLOCK,
|
||||
SYSID_SM_PROCESSOR_MAX_SPEED,
|
||||
SYSID_SM_PROCESSOR_CUR_SPEED,
|
||||
SYSID_SM_PROCESSOR_STATUS,
|
||||
SYSID_SM_PROCESSOR_UPGRADE,
|
||||
SYSID_SM_PROCESSOR_SN,
|
||||
SYSID_SM_PROCESSOR_ASSET_TAG,
|
||||
SYSID_SM_PROCESSOR_PN,
|
||||
SYSID_SM_PROCESSOR_CORE_CNT,
|
||||
SYSID_SM_PROCESSOR_CORE_EN,
|
||||
SYSID_SM_PROCESSOR_THREAD_CNT,
|
||||
SYSID_SM_PROCESSOR_CHARA,
|
||||
SYSID_SM_PROCESSOR_FAMILY,
|
||||
SYSID_SM_PROCESSOR_FAMILY2,
|
||||
SYSID_SM_PROCESSOR_CORE_CNT2,
|
||||
SYSID_SM_PROCESSOR_CORE_EN2,
|
||||
SYSID_SM_PROCESSOR_THREAD_CNT2,
|
||||
SYSID_SM_PROCESSOR_THREAD_EN,
|
||||
|
||||
/*
|
||||
* Cache Information (Type 7)
|
||||
* Each of the id should reserve space for up to
|
||||
* SYSINFO_CACHE_LVL_MAX levels of cache
|
||||
*/
|
||||
SYSID_SM_CACHE_LEVEL,
|
||||
SYSID_SM_CACHE_HANDLE,
|
||||
SYSID_SM_CACHE_INFO_START,
|
||||
SYSID_SM_CACHE_SOCKET = SYSID_SM_CACHE_INFO_START,
|
||||
SYSID_SM_CACHE_CONFIG =
|
||||
SYSID_SM_CACHE_SOCKET + SYSINFO_CACHE_LVL_MAX,
|
||||
SYSID_SM_CACHE_MAX_SIZE =
|
||||
SYSID_SM_CACHE_CONFIG + SYSINFO_CACHE_LVL_MAX,
|
||||
SYSID_SM_CACHE_INST_SIZE =
|
||||
SYSID_SM_CACHE_MAX_SIZE + SYSINFO_CACHE_LVL_MAX,
|
||||
SYSID_SM_CACHE_SUPSRAM_TYPE =
|
||||
SYSID_SM_CACHE_INST_SIZE + SYSINFO_CACHE_LVL_MAX,
|
||||
SYSID_SM_CACHE_CURSRAM_TYPE =
|
||||
SYSID_SM_CACHE_SUPSRAM_TYPE + SYSINFO_CACHE_LVL_MAX,
|
||||
SYSID_SM_CACHE_SPEED =
|
||||
SYSID_SM_CACHE_CURSRAM_TYPE + SYSINFO_CACHE_LVL_MAX,
|
||||
SYSID_SM_CACHE_ERRCOR_TYPE =
|
||||
SYSID_SM_CACHE_SPEED + SYSINFO_CACHE_LVL_MAX,
|
||||
SYSID_SM_CACHE_SCACHE_TYPE =
|
||||
SYSID_SM_CACHE_ERRCOR_TYPE + SYSINFO_CACHE_LVL_MAX,
|
||||
SYSID_SM_CACHE_ASSOC =
|
||||
SYSID_SM_CACHE_SCACHE_TYPE + SYSINFO_CACHE_LVL_MAX,
|
||||
SYSID_SM_CACHE_MAX_SIZE2 =
|
||||
SYSID_SM_CACHE_ASSOC + SYSINFO_CACHE_LVL_MAX,
|
||||
SYSID_SM_CACHE_INST_SIZE2 =
|
||||
SYSID_SM_CACHE_MAX_SIZE2 + SYSINFO_CACHE_LVL_MAX,
|
||||
SYSID_SM_CACHE_INFO_END =
|
||||
SYSID_SM_CACHE_INST_SIZE2 + SYSINFO_CACHE_LVL_MAX - 1,
|
||||
|
||||
/* For show_board_info() */
|
||||
SYSID_BOARD_MODEL,
|
||||
|
|
Loading…
Add table
Reference in a new issue