cpu: Add get_vendor callback
The CPU udevice already has a few callbacks to retreive information
about the currently running CPUs. This patch adds a new get_vendor()
call that returns the vendor of the main CPUs.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/cpu_x86.c b/arch/x86/cpu/cpu_x86.c
index 39004ee..157f3de 100644
--- a/arch/x86/cpu/cpu_x86.c
+++ b/arch/x86/cpu/cpu_x86.c
@@ -27,6 +27,18 @@
return 0;
}
+int cpu_x86_get_vendor(struct udevice *dev, char *buf, int size)
+{
+ const char *vendor = cpu_vendor_name(gd->arch.x86_vendor);
+
+ if (size < (strlen(vendor) + 1))
+ return -ENOSPC;
+
+ strcpy(buf, vendor);
+
+ return 0;
+}
+
int cpu_x86_get_desc(struct udevice *dev, char *buf, int size)
{
if (size < CPU_MAX_NAME_LEN)
@@ -65,6 +77,7 @@
static const struct cpu_ops cpu_x86_ops = {
.get_desc = cpu_x86_get_desc,
.get_count = cpu_x86_get_count,
+ .get_vendor = cpu_x86_get_vendor,
};
static const struct udevice_id cpu_x86_ids[] = {