+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __CPU_H
* device.
*
* @cpu_id: Platform-specific way of identifying the CPU.
+ * @ucode_version: Microcode version, if CPU_FEAT_UCODE is set
*/
struct cpu_platdata {
int cpu_id;
+ int ucode_version;
+ ulong device_id;
+ u16 family; /* DMTF CPU Family */
+ u32 id[2]; /* DMTF CPU Processor IDs */
};
/* CPU features - mostly just a placeholder for now */
enum {
CPU_FEAT_L1_CACHE = 0, /* Supports level 1 cache */
CPU_FEAT_MMU = 1, /* Supports virtual memory */
+ CPU_FEAT_UCODE = 2, /* Requires/uses microcode */
+ CPU_FEAT_DEVICE_ID = 3, /* Provides a device ID */
CPU_FEAT_COUNT,
};
* @return CPU count if OK, -ve on error
*/
int (*get_count)(struct udevice *dev);
+
+ /**
+ * get_vendor() - Get vendor name of a CPU
+ *
+ * @dev: Device to check (UCLASS_CPU)
+ * @buf: Buffer to place string
+ * @size: Size of string space
+ * @return 0 if OK, -ENOSPC if buffer is too small, other -ve on error
+ */
+ int (*get_vendor)(struct udevice *dev, char *buf, int size);
};
#define cpu_get_ops(dev) ((struct cpu_ops *)(dev)->driver->ops)
*/
int cpu_get_count(struct udevice *dev);
+/**
+ * cpu_get_vendor() - Get vendor name of a CPU
+ *
+ * @dev: Device to check (UCLASS_CPU)
+ * @buf: Buffer to place string
+ * @size: Size of string space
+ * @return 0 if OK, -ENOSPC if buffer is too small, other -ve on error
+ */
+int cpu_get_vendor(struct udevice *dev, char *buf, int size);
+
#endif