[U-Boot] [PATCH v3 5/8] smbios: Generate type 4 on non-x86 systems

[Alexander Graf]

The type 4 table generation code is very x86 centric today. Refactor things
out a bit to allow the tables to get generated for other architectures as
well.

Signed-off-by: Alexander Graf <agraf at suse.de>
---
 include/smbios.h |  3 +++
 lib/smbios.c     | 37 +++++++++++++++++++++++++++----------
 2 files changed, 30 insertions(+), 10 deletions(-)

diff --git a/include/smbios.h b/include/smbios.h
index 5962d4c..3cbc687 100644
--- a/include/smbios.h
+++ b/include/smbios.h
@@ -139,6 +139,9 @@ struct __packed smbios_type3 {
 #define SMBIOS_PROCESSOR_STATUS_ENABLED	1
 #define SMBIOS_PROCESSOR_UPGRADE_NONE	6
 
+#define SMBIOS_PROCESSOR_FAMILY_OTHER	1
+#define SMBIOS_PROCESSOR_FAMILY_UNKNOWN	2
+
 struct __packed smbios_type4 {
 	u8 type;
 	u8 length;
diff --git a/lib/smbios.c b/lib/smbios.c
index 8dfd486..11cacec 100644
--- a/lib/smbios.c
+++ b/lib/smbios.c
@@ -10,7 +10,9 @@
 #include <smbios.h>
 #include <tables_csum.h>
 #include <version.h>
+#ifdef CONFIG_X86
 #include <asm/cpu.h>
+#endif
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -152,26 +154,41 @@ static int smbios_write_type3(uintptr_t *current, int handle)
 	return len;
 }
 
-static int smbios_write_type4(uintptr_t *current, int handle)
+static void smbios_write_type4_arch(struct smbios_type4 *t)
 {
-	struct smbios_type4 *t = (struct smbios_type4 *)*current;
-	int len = sizeof(struct smbios_type4);
-	const char *vendor;
-	char *name;
+	u16 processor_family = SMBIOS_PROCESSOR_FAMILY_UNKNOWN;
+	const char *vendor = "Unknown";
+	char *name = "Unknown";
+
+#ifdef CONFIG_X86
 	char processor_name[CPU_MAX_NAME_LEN];
 	struct cpuid_result res;
 
-	memset(t, 0, sizeof(struct smbios_type4));
-	fill_smbios_header(t, SMBIOS_PROCESSOR_INFORMATION, len, handle);
-	t->processor_type = SMBIOS_PROCESSOR_TYPE_CENTRAL;
-	t->processor_family = gd->arch.x86;
+	processor_family = gd->arch.x86;
 	vendor = cpu_vendor_name(gd->arch.x86_vendor);
-	t->processor_manufacturer = smbios_add_string(t->eos, vendor);
 	res = cpuid(1);
 	t->processor_id[0] = res.eax;
 	t->processor_id[1] = res.edx;
 	name = cpu_get_name(processor_name);
+#elif defined(CONFIG_ARM)
+	processor_family = SMBIOS_PROCESSOR_FAMILY_OTHER;
+	vendor = "ARM";
+#endif
+
+	t->processor_family = processor_family;
+	t->processor_manufacturer = smbios_add_string(t->eos, vendor);
 	t->processor_version = smbios_add_string(t->eos, name);
+}
+
+static int smbios_write_type4(uintptr_t *current, int handle)
+{
+	struct smbios_type4 *t = (struct smbios_type4 *)*current;
+	int len = sizeof(struct smbios_type4);
+
+	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_arch(t);
 	t->status = SMBIOS_PROCESSOR_STATUS_ENABLED;
 	t->processor_upgrade = SMBIOS_PROCESSOR_UPGRADE_NONE;
 	t->l1_cache_handle = 0xffff;
-- 
1.8.5.6