As a first step to obtaining SMBIOS information from the devicetree, add an ofnode parameter to the writing functions.
Signed-off-by: Simon Glass sjg@chromium.org ---
(no changes since v2)
Changes in v2: - Move dm.h header file to avoid build error on qemu-arm - Deal with boards that don't use of-control
include/smbios.h | 5 ++++- lib/smbios.c | 44 ++++++++++++++++++++++++++------------------ 2 files changed, 30 insertions(+), 19 deletions(-)
diff --git a/include/smbios.h b/include/smbios.h index 97b9ddce237..c19afbe16c7 100644 --- a/include/smbios.h +++ b/include/smbios.h @@ -8,6 +8,8 @@ #ifndef _SMBIOS_H_ #define _SMBIOS_H_
+#include <dm/ofnode.h> + /* SMBIOS spec version implemented */ #define SMBIOS_MAJOR_VER 3 #define SMBIOS_MINOR_VER 0 @@ -222,9 +224,10 @@ static inline void fill_smbios_header(void *table, int type, * * @addr: start address to write the structure * @handle: the structure's handle, a unique 16-bit number + * @node: node containing the information to write (ofnode_null() if none) * @return: size of the structure */ -typedef int (*smbios_write_type)(ulong *addr, int handle); +typedef int (*smbios_write_type)(ulong *addr, int handle, ofnode node);
/** * write_smbios_table() - Write SMBIOS table diff --git a/lib/smbios.c b/lib/smbios.c index 11790443e1a..4bb3bac56b4 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> @@ -13,7 +14,6 @@ #include <version.h> #ifdef CONFIG_CPU #include <cpu.h> -#include <dm.h> #include <dm/uclass-internal.h> #endif
@@ -25,7 +25,7 @@ * * @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) { @@ -74,7 +74,7 @@ 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 +111,7 @@ 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); @@ -134,7 +134,7 @@ 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); @@ -154,7 +154,7 @@ 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); @@ -176,7 +176,7 @@ 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 +185,20 @@ 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 +208,7 @@ 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 +217,7 @@ 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 +232,7 @@ 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 +247,7 @@ 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); @@ -274,7 +274,9 @@ static smbios_write_type smbios_write_funcs[] = {
ulong write_smbios_table(ulong addr) { + ofnode node = ofnode_null(); struct smbios_entry *se; + struct udevice *dev; ulong table_addr; ulong tables; int len = 0; @@ -284,6 +286,12 @@ ulong write_smbios_table(ulong addr) int isize; int i;
+ if (IS_ENABLED(CONFIG_OF_CONTROL)) { + uclass_first_device(UCLASS_BOARD, &dev); + if (dev) + node = dev_read_subnode(dev, "smbios"); + } + /* 16 byte align the table address */ addr = ALIGN(addr, 16);
@@ -296,7 +304,7 @@ 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++); + int tmp = smbios_write_funcs[i]((ulong *)&addr, handle++, node);
max_struct_size = max(max_struct_size, tmp); len += tmp;