diff options
Diffstat (limited to 'lib/smbios.c')
| -rw-r--r-- | lib/smbios.c | 120 |
1 files changed, 88 insertions, 32 deletions
diff --git a/lib/smbios.c b/lib/smbios.c index 11790443e1..485a812c77 100644 --- a/lib/smbios.c +++ b/lib/smbios.c @@ -6,6 +6,7 @@ */ #include <common.h> +#include <dm.h> #include <env.h> #include <mapmem.h> #include <smbios.h> @@ -13,11 +14,22 @@ #include <version.h> #ifdef CONFIG_CPU #include <cpu.h> -#include <dm.h> #include <dm/uclass-internal.h> #endif /** + * struct smbios_write_method - Information about a table-writing function + * + * @write: Function to call + * @subnode_name: Name of subnode which has the information for this function, + * NULL if none + */ +struct smbios_write_method { + smbios_write_type write; + const char *subnode_name; +}; + +/** * smbios_add_string() - add a string to the string area * * This adds a string to the string area which is appended directly after @@ -25,7 +37,7 @@ * * @start: string area start address * @str: string to add - * @return: string number in the string area + * @return: string number in the string area (1 or more) */ static int smbios_add_string(char *start, const char *str) { @@ -53,6 +65,28 @@ static int smbios_add_string(char *start, const char *str) } /** + * smbios_add_prop() - Add a property from the device tree + * + * @start: string area start address + * @node: node containing the information to write (ofnode_null() if none) + * @prop: property to write + * @return 0 if not found, else SMBIOS string number (1 or more) + */ +static int smbios_add_prop(char *start, ofnode node, const char *prop) +{ + + if (IS_ENABLED(CONFIG_OF_CONTROL)) { + const char *str; + + str = ofnode_read_string(node, prop); + if (str) + return smbios_add_string(start, str); + } + + return 0; +} + +/** * smbios_string_table_len() - compute the string area size * * This computes the size of the string area including the string terminator. @@ -74,7 +108,7 @@ static int smbios_string_table_len(char *start) return len + 1; } -static int smbios_write_type0(ulong *current, int handle) +static int smbios_write_type0(ulong *current, int handle, ofnode node) { struct smbios_type0 *t; int len = sizeof(struct smbios_type0); @@ -111,7 +145,7 @@ static int smbios_write_type0(ulong *current, int handle) return len; } -static int smbios_write_type1(ulong *current, int handle) +static int smbios_write_type1(ulong *current, int handle, ofnode node) { struct smbios_type1 *t; int len = sizeof(struct smbios_type1); @@ -120,12 +154,17 @@ static int smbios_write_type1(ulong *current, int handle) t = map_sysmem(*current, len); 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); + t->manufacturer = smbios_add_prop(t->eos, node, "manufacturer"); + t->product_name = smbios_add_prop(t->eos, node, "product"); + t->version = smbios_add_prop(t->eos, node, "version"); if (serial_str) { - strncpy((char *)t->uuid, serial_str, sizeof(t->uuid)); t->serial_number = smbios_add_string(t->eos, serial_str); + strncpy((char *)t->uuid, serial_str, sizeof(t->uuid)); + } else { + t->serial_number = smbios_add_prop(t->eos, node, "serial"); } + t->sku_number = smbios_add_prop(t->eos, node, "sku"); + t->family = smbios_add_prop(t->eos, node, "family"); len = t->length + smbios_string_table_len(t->eos); *current += len; @@ -134,7 +173,7 @@ static int smbios_write_type1(ulong *current, int handle) return len; } -static int smbios_write_type2(ulong *current, int handle) +static int smbios_write_type2(ulong *current, int handle, ofnode node) { struct smbios_type2 *t; int len = sizeof(struct smbios_type2); @@ -142,8 +181,9 @@ static int smbios_write_type2(ulong *current, int handle) t = map_sysmem(*current, len); 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->manufacturer = smbios_add_prop(t->eos, node, "manufacturer"); + t->product_name = smbios_add_prop(t->eos, node, "product"); + t->asset_tag_number = smbios_add_prop(t->eos, node, "asset-tag"); t->feature_flags = SMBIOS_BOARD_FEATURE_HOSTING; t->board_type = SMBIOS_BOARD_MOTHERBOARD; @@ -154,7 +194,7 @@ static int smbios_write_type2(ulong *current, int handle) return len; } -static int smbios_write_type3(ulong *current, int handle) +static int smbios_write_type3(ulong *current, int handle, ofnode node) { struct smbios_type3 *t; int len = sizeof(struct smbios_type3); @@ -162,7 +202,7 @@ static int smbios_write_type3(ulong *current, int handle) t = map_sysmem(*current, len); 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->manufacturer = smbios_add_prop(t->eos, node, "manufacturer"); t->chassis_type = SMBIOS_ENCLOSURE_DESKTOP; t->bootup_state = SMBIOS_STATE_SAFE; t->power_supply_state = SMBIOS_STATE_SAFE; @@ -176,7 +216,7 @@ static int smbios_write_type3(ulong *current, int handle) return len; } -static void smbios_write_type4_dm(struct smbios_type4 *t) +static void smbios_write_type4_dm(struct smbios_type4 *t, ofnode node) { u16 processor_family = SMBIOS_PROCESSOR_FAMILY_UNKNOWN; const char *vendor = "Unknown"; @@ -185,20 +225,20 @@ static void smbios_write_type4_dm(struct smbios_type4 *t) #ifdef CONFIG_CPU char processor_name[49]; char vendor_name[49]; - struct udevice *dev = NULL; + struct udevice *cpu = NULL; - uclass_find_first_device(UCLASS_CPU, &dev); - if (dev) { - struct cpu_platdata *plat = dev_get_parent_platdata(dev); + uclass_find_first_device(UCLASS_CPU, &cpu); + if (cpu) { + struct cpu_platdata *plat = dev_get_parent_platdata(cpu); if (plat->family) processor_family = plat->family; t->processor_id[0] = plat->id[0]; t->processor_id[1] = plat->id[1]; - if (!cpu_get_vendor(dev, vendor_name, sizeof(vendor_name))) + if (!cpu_get_vendor(cpu, vendor_name, sizeof(vendor_name))) vendor = vendor_name; - if (!cpu_get_desc(dev, processor_name, sizeof(processor_name))) + if (!cpu_get_desc(cpu, processor_name, sizeof(processor_name))) name = processor_name; } #endif @@ -208,7 +248,7 @@ static void smbios_write_type4_dm(struct smbios_type4 *t) t->processor_version = smbios_add_string(t->eos, name); } -static int smbios_write_type4(ulong *current, int handle) +static int smbios_write_type4(ulong *current, int handle, ofnode node) { struct smbios_type4 *t; int len = sizeof(struct smbios_type4); @@ -217,7 +257,7 @@ static int smbios_write_type4(ulong *current, int handle) memset(t, 0, sizeof(struct smbios_type4)); fill_smbios_header(t, SMBIOS_PROCESSOR_INFORMATION, len, handle); t->processor_type = SMBIOS_PROCESSOR_TYPE_CENTRAL; - smbios_write_type4_dm(t); + smbios_write_type4_dm(t, node); t->status = SMBIOS_PROCESSOR_STATUS_ENABLED; t->processor_upgrade = SMBIOS_PROCESSOR_UPGRADE_NONE; t->l1_cache_handle = 0xffff; @@ -232,7 +272,7 @@ static int smbios_write_type4(ulong *current, int handle) return len; } -static int smbios_write_type32(ulong *current, int handle) +static int smbios_write_type32(ulong *current, int handle, ofnode node) { struct smbios_type32 *t; int len = sizeof(struct smbios_type32); @@ -247,7 +287,7 @@ static int smbios_write_type32(ulong *current, int handle) return len; } -static int smbios_write_type127(ulong *current, int handle) +static int smbios_write_type127(ulong *current, int handle, ofnode node) { struct smbios_type127 *t; int len = sizeof(struct smbios_type127); @@ -262,19 +302,21 @@ static int smbios_write_type127(ulong *current, int handle) 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 +static struct smbios_write_method smbios_write_funcs[] = { + { smbios_write_type0, }, + { smbios_write_type1, "system", }, + { smbios_write_type2, "baseboard", }, + { smbios_write_type3, "chassis", }, + { smbios_write_type4, }, + { smbios_write_type32, }, + { smbios_write_type127 }, }; ulong write_smbios_table(ulong addr) { + ofnode parent_node = ofnode_null(); struct smbios_entry *se; + struct udevice *dev; ulong table_addr; ulong tables; int len = 0; @@ -284,6 +326,12 @@ ulong write_smbios_table(ulong addr) int isize; int i; + if (IS_ENABLED(CONFIG_OF_CONTROL)) { + uclass_first_device(UCLASS_SYSINFO, &dev); + if (dev) + parent_node = dev_read_subnode(dev, "smbios"); + } + /* 16 byte align the table address */ addr = ALIGN(addr, 16); @@ -296,7 +344,15 @@ ulong write_smbios_table(ulong addr) /* populate minimum required tables */ for (i = 0; i < ARRAY_SIZE(smbios_write_funcs); i++) { - int tmp = smbios_write_funcs[i]((ulong *)&addr, handle++); + const struct smbios_write_method *method; + ofnode node = ofnode_null(); + int tmp; + + method = &smbios_write_funcs[i]; + if (IS_ENABLED(CONFIG_OF_CONTROL) && method->subnode_name) + node = ofnode_find_subnode(parent_node, + method->subnode_name); + tmp = method->write((ulong *)&addr, handle++, node); max_struct_size = max(max_struct_size, tmp); len += tmp; |