1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-meson/boot.h b/arch/arm/include/asm/arch-meson/boot.h
new file mode 100644
index 00000000000..a11dfde719e
--- /dev/null
+++ b/arch/arm/include/asm/arch-meson/boot.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2016 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#ifndef __MESON_BOOT_H__
+#define __MESON_BOOT_H__
+
+#include <linux/types.h>
+
+/* Boot device */
+#define BOOT_DEVICE_RESERVED    0
+#define BOOT_DEVICE_EMMC        1
+#define BOOT_DEVICE_NAND        2
+#define BOOT_DEVICE_SPI         3
+#define BOOT_DEVICE_SD          4
+#define BOOT_DEVICE_USB         5
+
+int meson_get_boot_device(void);
+
+int meson_get_soc_rev(char *buff, size_t buff_len);
+
+/**
+ * meson_get_socinfo - retrieve cpu_id of the Amlogic SoC
+ *
+ * The value in the following format is read from register:
+ *   +-----------+------------+------------+------------+
+ *   | family_id | package_id |  chip_rev  | layout_rev |
+ *   +-----------+------------+------------+------------+
+ *   | 31     24 | 23      16 | 15       8 | 7        0 |
+ *   +-----------+------------+------------+------------+
+ *
+ * Return: 4 bytes value of cpu_id on success or 0 on failure.
+ */
+u32 meson_get_socinfo(void);
+
+#endif /* __MESON_BOOT_H__ */