Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 45 insertions, 0 deletions

diff --git a/include/drivers/cfi/v2m_flash.h b/include/drivers/cfi/v2m_flash.h
new file mode 100644
index 0000000..6beec50
--- /dev/null
+++ b/include/drivers/cfi/v2m_flash.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef V2M_FLASH_H
+#define V2M_FLASH_H
+
+#include <stdint.h>
+
+/* First bus cycle */
+#define NOR_CMD_READ_ARRAY		0xFF
+#define NOR_CMD_READ_ID_CODE		0x90
+#define NOR_CMD_READ_QUERY		0x98
+#define NOR_CMD_READ_STATUS_REG		0x70
+#define NOR_CMD_CLEAR_STATUS_REG	0x50
+#define NOR_CMD_WRITE_TO_BUFFER		0xE8
+#define NOR_CMD_WORD_PROGRAM		0x40
+#define NOR_CMD_BLOCK_ERASE		0x20
+#define NOR_CMD_LOCK_UNLOCK		0x60
+#define NOR_CMD_BLOCK_ERASE_ACK		0xD0
+
+/* Second bus cycle */
+#define NOR_LOCK_BLOCK			0x01
+#define NOR_UNLOCK_BLOCK		0xD0
+
+/* Status register bits */
+#define NOR_DWS				(1 << 7)
+#define NOR_ESS				(1 << 6)
+#define NOR_ES				(1 << 5)
+#define NOR_PS				(1 << 4)
+#define NOR_VPPS			(1 << 3)
+#define NOR_PSS				(1 << 2)
+#define NOR_BLS				(1 << 1)
+#define NOR_BWS				(1 << 0)
+
+/* Public API */
+void nor_send_cmd(uintptr_t base_addr, unsigned long cmd);
+int nor_word_program(uintptr_t base_addr, unsigned long data);
+int nor_lock(uintptr_t base_addr);
+int nor_unlock(uintptr_t base_addr);
+int nor_erase(uintptr_t base_addr);
+
+#endif /* V2M_FLASH_H*/