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Diffstat (limited to 'drivers/mtd/devices/serial_flash_cmds.h')
-rw-r--r--drivers/mtd/devices/serial_flash_cmds.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/mtd/devices/serial_flash_cmds.h b/drivers/mtd/devices/serial_flash_cmds.h
new file mode 100644
index 000000000..8b51a872f
--- /dev/null
+++ b/drivers/mtd/devices/serial_flash_cmds.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Generic/SFDP Flash Commands and Device Capabilities
+ *
+ * Copyright (C) 2013 Lee Jones <lee.jones@lianro.org>
+ */
+
+#ifndef _MTD_SERIAL_FLASH_CMDS_H
+#define _MTD_SERIAL_FLASH_CMDS_H
+
+/* Generic Flash Commands/OPCODEs */
+#define SPINOR_OP_WRVCR 0x81
+#define SPINOR_OP_RDVCR 0x85
+
+/* JEDEC Standard - Serial Flash Discoverable Parmeters (SFDP) Commands */
+#define SPINOR_OP_WRITE 0x02 /* PAGE PROGRAM */
+#define SPINOR_OP_WRITE_1_1_2 0xa2 /* DUAL INPUT PROGRAM */
+#define SPINOR_OP_WRITE_1_2_2 0xd2 /* DUAL INPUT EXT PROGRAM */
+#define SPINOR_OP_WRITE_1_1_4 0x32 /* QUAD INPUT PROGRAM */
+#define SPINOR_OP_WRITE_1_4_4 0x12 /* QUAD INPUT EXT PROGRAM */
+
+/* Configuration flags */
+#define FLASH_FLAG_SINGLE 0x000000ff
+#define FLASH_FLAG_READ_WRITE 0x00000001
+#define FLASH_FLAG_READ_FAST 0x00000002
+#define FLASH_FLAG_SE_4K 0x00000004
+#define FLASH_FLAG_SE_32K 0x00000008
+#define FLASH_FLAG_CE 0x00000010
+#define FLASH_FLAG_32BIT_ADDR 0x00000020
+#define FLASH_FLAG_RESET 0x00000040
+#define FLASH_FLAG_DYB_LOCKING 0x00000080
+
+#define FLASH_FLAG_DUAL 0x0000ff00
+#define FLASH_FLAG_READ_1_1_2 0x00000100
+#define FLASH_FLAG_READ_1_2_2 0x00000200
+#define FLASH_FLAG_READ_2_2_2 0x00000400
+#define FLASH_FLAG_WRITE_1_1_2 0x00001000
+#define FLASH_FLAG_WRITE_1_2_2 0x00002000
+#define FLASH_FLAG_WRITE_2_2_2 0x00004000
+
+#define FLASH_FLAG_QUAD 0x00ff0000
+#define FLASH_FLAG_READ_1_1_4 0x00010000
+#define FLASH_FLAG_READ_1_4_4 0x00020000
+#define FLASH_FLAG_READ_4_4_4 0x00040000
+#define FLASH_FLAG_WRITE_1_1_4 0x00100000
+#define FLASH_FLAG_WRITE_1_4_4 0x00200000
+#define FLASH_FLAG_WRITE_4_4_4 0x00400000
+
+#endif /* _MTD_SERIAL_FLASH_CMDS_H */