Add support for Eon EN25S series

Add...
 - EN25S10
 - EN25S20
 - EN25S40
 - EN25S80
 - EN25S16
 - EN25S32
 - EN25S64

Corresponding to flashrom svn r1687.

Signed-off-by: Nikolay Nikolaev <evrinoma@gmail.com>
Reviewed-by: Steven Zakulec <spzakulec@gmail.com>
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>

4 files changed, 273 insertions, 0 deletions

diff --git a/chipdrivers.h b/chipdrivers.h
index 296cbf2d3..48e56aa9f 100644
--- a/chipdrivers.h
+++ b/chipdrivers.h
@@ -90,6 +90,7 @@ int spi_disable_blockprotect_at25f512a(struct flashctx *flash);
 int spi_disable_blockprotect_at25f512b(struct flashctx *flash);
 int spi_disable_blockprotect_at25fs010(struct flashctx *flash);
 int spi_disable_blockprotect_at25fs040(struct flashctx *flash);
+int spi_prettyprint_status_register_en25s_wp(struct flashctx *flash);
 int spi_prettyprint_status_register_s33(struct flashctx *flash);
 int spi_disable_blockprotect_s33(struct flashctx *flash);
 int spi_prettyprint_status_register_sst25(struct flashctx *flash);
diff --git a/flashchips.c b/flashchips.c
index 9e1f9a595..5bc73fdc2 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -3922,6 +3922,257 @@ const struct flashchip flashchips[] = {
 
 	{
 		.vendor		= "Eon",
+		.name		= "EN25S10",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= EON_ID_NOPREFIX,
+		.model_id	= EON_EN25S10,
+		.total_size	= 128,
+		.page_size	= 256,
+		/* OTP: 256B total; enter 0x3A */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {4 * 1024, 32} },
+				.block_erase = spi_block_erase_20,
+			},  {
+				.eraseblocks = { {32 * 1024, 4} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {128 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {128 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_default_bp2,
+		.unlock		= spi_disable_blockprotect,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {1650, 1950},
+	},
+
+	{
+		.vendor		= "Eon",
+		.name		= "EN25S20",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= EON_ID_NOPREFIX,
+		.model_id	= EON_EN25S20,
+		.total_size	= 256,
+		.page_size	= 256,
+		/* OTP: 256B total; enter 0x3A */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {4 * 1024, 64} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {64 * 1024, 4} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {256 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {256 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_default_bp2,
+		.unlock		= spi_disable_blockprotect,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {1650, 1950},
+	},
+
+	{
+		.vendor		= "Eon",
+		.name		= "EN25S40",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= EON_ID_NOPREFIX,
+		.model_id	= EON_EN25S40,
+		.total_size	= 512,
+		.page_size	= 256,
+		/* OTP: 256B total; enter 0x3A */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {4 * 1024, 128} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {64 * 1024, 8} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {512 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {512 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_default_bp2,
+		.unlock		= spi_disable_blockprotect,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {1650, 1950},
+	},
+
+	{
+		.vendor		= "Eon",
+		.name		= "EN25S80",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= EON_ID_NOPREFIX,
+		.model_id	= EON_EN25S80,
+		.total_size	= 1024,
+		.page_size	= 256,
+		/* OTP: 256B total; enter 0x3A */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {4 * 1024, 256} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {64 * 1024, 16} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {1024 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_default_bp2,
+		.unlock		= spi_disable_blockprotect,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {1650, 1950},
+	},
+
+	{
+		.vendor		= "Eon",
+		.name		= "EN25S16",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= EON_ID_NOPREFIX,
+		.model_id	= EON_EN25S16,
+		.total_size	= 2048,
+		.page_size	= 256,
+		/* OTP: 512B total; enter 0x3A */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {4 * 1024, 512} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {64 * 1024, 32} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {32 * 1024, 64} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {2048 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {2048 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_en25s_wp,
+		.unlock		= spi_disable_blockprotect_bp3_srwd,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {1650, 1950},
+	},
+
+	{
+		.vendor		= "Eon",
+		.name		= "EN25S32",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= EON_ID_NOPREFIX,
+		.model_id	= EON_EN25S32,
+		.total_size	= 4096,
+		.page_size	= 256,
+		/* OTP: 512B total; enter 0x3A */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {4 * 1024, 1024} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 128} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 64} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {4096 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {4096 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_en25s_wp,
+		.unlock		= spi_disable_blockprotect_bp3_srwd,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {1650, 1950},
+	},
+
+	{
+		.vendor		= "Eon",
+		.name		= "EN25S64",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= EON_ID_NOPREFIX,
+		.model_id	= EON_EN25S64,
+		.total_size	= 8192,
+		.page_size	= 256,
+		/* OTP: 512B total; enter 0x3A */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {4 * 1024, 2048} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {64 * 1024, 128} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {8192 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {8192 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_en25s_wp,
+		.unlock		= spi_disable_blockprotect_bp3_srwd,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {1650, 1950},
+	},
+
+	{
+		.vendor		= "Eon",
 		.name		= "EN29F010",
 		.bustype	= BUS_PARALLEL,
 		.manufacture_id	= EON_ID,
diff --git a/flashchips.h b/flashchips.h
index 696233d88..455442830 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -259,6 +259,13 @@
 #define EON_EN25Q128		0x3018
 #define EON_EN25QH16		0x7015
 #define EON_EN25QH32		0x7016
+#define EON_EN25S10		0x3811
+#define EON_EN25S20		0x3812
+#define EON_EN25S40		0x3813
+#define EON_EN25S80		0x3814
+#define EON_EN25S16		0x3815
+#define EON_EN25S32		0x3816
+#define EON_EN25S64		0x3817
 #define EON_EN29F512		0x7F21
 #define EON_EN29F010		0x20
 #define EON_EN29F040A		0x7F04
diff --git a/spi25_statusreg.c b/spi25_statusreg.c
index 5560f5be6..6b4e516b9 100644
--- a/spi25_statusreg.c
+++ b/spi25_statusreg.c
@@ -591,6 +591,20 @@ int spi_disable_blockprotect_at25fs040(struct flashctx *flash)
 	return spi_disable_blockprotect_generic(flash, 0x7C, 1 << 7, 0, 0xFF);
 }
 
+/* === Eon === */
+
+int spi_prettyprint_status_register_en25s_wp(struct flashctx *flash)
+{
+	uint8_t status = spi_read_status_register(flash);
+	spi_prettyprint_status_register_hex(status);
+
+	spi_prettyprint_status_register_srwd(status);
+	msg_cdbg("Chip status register: WP# disable (WPDIS) is %sabled\n", (status & (1 << 6)) ? "en " : "dis");
+	spi_prettyprint_status_register_bp(status, 3);
+	spi_prettyprint_status_register_welwip(status);
+	return 0;
+}
+
 /* === Intel === */
 
 /* TODO: Clear P_FAIL and E_FAIL with Clear SR Fail Flags Command (30h) here? */