[PATCH v6 03/14] x86: Pass an ofnode into each SMBIOS function
Simon Glass
sjg at chromium.org
Thu Nov 5 14:32:07 CET 2020
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 at chromium.org>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---
(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 44f49e9556b..1846607c3cf 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..b0f5e936044 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_SYSINFO, &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;
--
2.29.1.341.ge80a0c044ae-goog
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