1 files changed, 55 insertions, 0 deletions
diff --git a/roms/skiboot/include/hiomap.h b/roms/skiboot/include/hiomap.h
new file mode 100644
index 000000000..bf09aea71
--- /dev/null
+++ b/roms/skiboot/include/hiomap.h
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+/* Copyright 2018 IBM Corp. */
+
+#ifndef __HIOMAP_H
+#define __HIOMAP_H
+
+#include <ccan/endian/endian.h>
+#include <ccan/short_types/short_types.h>
+#include <compiler.h>
+#include <stdint.h>
+
+#define HIOMAP_V1                       1
+#define HIOMAP_V2                       2
+
+#define HIOMAP_C_RESET                  1
+#define HIOMAP_C_GET_INFO               2
+#define HIOMAP_C_GET_FLASH_INFO	        3
+#define HIOMAP_C_CREATE_READ_WINDOW     4
+#define HIOMAP_C_CLOSE_WINDOW           5
+#define HIOMAP_C_CREATE_WRITE_WINDOW    6
+#define HIOMAP_C_MARK_DIRTY             7
+#define HIOMAP_C_FLUSH                  8
+#define HIOMAP_C_ACK                    9
+#define HIOMAP_C_ERASE                  10
+#define HIOMAP_C_DEVICE_NAME            11
+#define HIOMAP_C_LOCK                   12
+
+#define HIOMAP_E_ACK_MASK               0x3
+#define HIOMAP_E_PROTOCOL_RESET	        (1 << 0)
+#define HIOMAP_E_WINDOW_RESET           (1 << 1)
+#define HIOMAP_E_FLASH_LOST             (1 << 6)
+#define HIOMAP_E_DAEMON_READY           (1 << 7)
+
+struct hiomap_v2_range {
+    le16 offset;
+    le16 size;
+} __packed;
+
+struct hiomap_v2_info {
+    uint8_t block_size_shift;
+    le16 timeout;
+} __packed;
+
+struct hiomap_v2_flash_info {
+    le16 total_size;
+    le16 erase_granule;
+} __packed;
+
+struct hiomap_v2_create_window {
+    le16 lpc_addr;
+    le16 size;
+    le16 offset;
+} __packed;
+
+#endif /* __HIOMAP_H */