efi_loader: type of efi_secure_mode

[oweals/u-boot.git] / include / cpu.h

diff --git a/include/cpu.h b/include/cpu.h
index 28dd48feb8f0a6c1ce8aceaa2d8d15b8d49c39aa..2f283fe2449dcf620b6b0029ccffa2e4dfdb217f 100644 (file)
--- a/include/cpu.h
+++ b/include/cpu.h
@@ -44,10 +44,12 @@ enum {
  *
  * @cpu_freq:  Current CPU frequency in Hz
  * @features:  Flags for supported CPU features
+ * @address_width:     Width of the CPU address space in bits (e.g. 32)
  */
 struct cpu_info {
        ulong cpu_freq;
        ulong features;
+       uint address_width;
 };
 
 struct cpu_ops {
@@ -87,6 +89,15 @@ struct cpu_ops {
         * @return 0 if OK, -ENOSPC if buffer is too small, other -ve on error
         */
        int (*get_vendor)(struct udevice *dev, char *buf, int size);
+
+       /**
+        * is_current() - Check if the CPU that U-Boot is currently running from
+        *
+        * @dev:        Device to check (UCLASS_CPU)
+        * @return 1 if the CPU that U-Boot is currently running from, 0
+        *         if not.
+        */
+       int (*is_current)(struct udevice *dev);
 };
 
 #define cpu_get_ops(dev)        ((struct cpu_ops *)(dev)->driver->ops)
@@ -135,4 +146,18 @@ int cpu_get_vendor(struct udevice *dev, char *buf, int size);
  */
 int cpu_probe_all(void);
 
+/**
+ * cpu_is_current() - Check if the CPU that U-Boot is currently running from
+ *
+ * Return: 1 if yes, - 0 if not
+ */
+int cpu_is_current(struct udevice *cpu);
+
+/**
+ * cpu_get_current_dev() - Get CPU udevice for current CPU
+ *
+ * Return: udevice if OK, - NULL on error
+ */
+struct udevice *cpu_get_current_dev(void);
+
 #endif