spi: introduce list of known spi flash devices (required for protection)

CMakeLists.txt

@@ -118,6 +118,7 @@ set(OPENFPGALOADER_HEADERS
 	src/mcsParser.hpp
 	src/ftdipp_mpsse.hpp
 	src/spiFlash.hpp
+	src/spiFlashdb.hpp
 	src/epcq.hpp
 	src/spiInterface.hpp
 	src/svf_jtag.hpp

src/spiFlashdb.hpp

@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: Apache-2.0
+/*
+ * Copyright (C) 2021 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
+ */
+
+#ifndef SRC_SPIFLASHDB_HPP_
+#define SRC_SPIFLASHDB_HPP_
+
+#include <stdint.h>
+
+#include <map>
+#include <string>
+
+typedef struct {
+	std::string manufacturer; /**< manufacturer name */
+	std::string model;        /**< chip name */
+	uint32_t nr_sector;       /**< number of sectors */
+	bool sector_erase;        /**< 64KB erase support */
+	/* missing 32KB erase */
+	bool subsector_erase;     /**< 4KB erase support */
+	bool has_extended;
+	bool tb_otp;              /**< TOP/BOTTOM One Time Programming */
+	uint8_t tb_offset;        /**< TOP/BOTTOM bit offset */
+	uint8_t bp_len;           /**< BPx length */
+	uint8_t bp_offset[4];     /**< BP[0:3] bit offset */
+} flash_t;
+
+static std::map <uint32_t, flash_t> flash_list = {
+	{0x0020ba18, {
+		.manufacturer = "micron",
+		.model = "N25Q128",
+		.nr_sector = 256,
+		.sector_erase = true,
+		.subsector_erase = true,
+		.has_extended = true,
+		.tb_otp = false,
+		.tb_offset = (1 << 5),
+		.bp_len = 4,
+		.bp_offset = {(1 << 2), (1 << 3), (1 << 4), (1 << 6)}}
+	},
+	{0x0020ba19, {
+		.manufacturer = "micron",
+		.model = "N25Q256",
+		.nr_sector = 512,
+		.sector_erase = true,
+		.subsector_erase = true,
+		.has_extended = true,
+		.tb_otp = false,
+		.tb_offset = (1 << 5),
+		.bp_len = 4,
+		.bp_offset = {(1 << 2), (1 << 3), (1 << 4), (1 << 6)}}
+	},
+	{0x9d6016, {
+		.manufacturer = "ISSI",
+		.model = "IS25LP032",
+		.nr_sector = 64,
+		.sector_erase = true,
+		.subsector_erase = true,
+		.has_extended = false,
+		.tb_otp = true,
+		.tb_offset = (1 << 5),
+		.bp_len = 4,
+		.bp_offset = {(1 << 2), (1 << 3), (1 << 4), (1 << 5)}}
+	},
+	{0x9d6017, {
+		.manufacturer = "ISSI",
+		.model = "IS25LP064",
+		.nr_sector = 128,
+		.sector_erase = true,
+		.subsector_erase = true,
+		.has_extended = false,
+		.tb_otp = true,
+		.tb_offset = (1 << 5),
+		.bp_len = 4,
+		.bp_offset = {(1 << 2), (1 << 3), (1 << 4), (1 << 5)}}
+	},
+	{0xef4018, {
+		.manufacturer = "Windbond",
+		.model = "W25Q128",
+		.nr_sector = 256,
+		.sector_erase = true,
+		.subsector_erase = true,
+		.has_extended = false,
+		.tb_otp = false,
+		.tb_offset = (1 << 5),
+		.bp_len = 3,
+		.bp_offset = {(1 << 2), (1 << 3), (1 << 4), 0}}
+	},
+};
+
+#endif  // SRC_SPIFLASHDB_HPP_