Savva Mitrofanov has uploaded this change for review.

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flashchips: Add AT45DB641E

Also use EDI(Extended Device Information) to differentiate AT45DB641E and AT45DB642D.
I have successfully tested it with CH341A-programmer.

Signed-off-by: Savva Mitrofanov <sk.mitrofanov@ispras.ru>
Change-Id: I56843b02bee74918a5131326627941ea82003f1f
---
M flashchips.c
M flashchips.h
2 files changed, 44 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/45/63345/1

diff --git a/flashchips.c b/flashchips.c
index acb7718..4626f5c 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -3136,6 +3136,48 @@
 
 	{
 		.vendor		= "Atmel",
+		.name		= "AT45DB641E",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= ATMEL_ID,
+		.model_id	= ATMEL_AT45DB641E,
+		.total_size	= 8192, /* or 8448, determined from status register */
+		.page_size	= 256, /* or 264, determined from status register */
+		/* does not support EWSR nor WREN and has no writable status register bits whatsoever */
+		/* OTP: 128B total, 64B pre-programmed; read 0x77; write 0x9B */
+		.feature_bits	= FEATURE_OTP,
+		.tested		= TEST_OK_PREW,
+		.probe		= probe_spi_at45db,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {256, 32768} },
+				.block_erase = spi_erase_at45db_page,
+			}, {
+				.eraseblocks = { {8 * 256, 32768/8} },
+				.block_erase = spi_erase_at45db_block,
+			}, {
+				.eraseblocks = {
+					{8 * 256, 1},
+					{1016 * 256, 1},
+					{1024 * 256, 31},
+				},
+				.block_erase = spi_erase_at45db_sector
+			}, {
+				.eraseblocks = { {8192 * 1024, 1} },
+				.block_erase = spi_erase_at45db_chip,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_at45db,
+		.unlock		= spi_disable_blockprotect_at45db, /* Impossible if locked down or #WP is low */
+		/* granularity will be set by the probing function. */
+		.write		= spi_write_at45db,
+		.read		= spi_read_at45db, /* Fast read (0x0B) supported */
+		.voltage	= {1700, 3600},
+	},
+
+	{
+		.vendor		= "Atmel",
 		.name		= "AT49(H)F010",
 		.bustype	= BUS_PARALLEL,
 		.manufacture_id	= ATMEL_ID,
diff --git a/flashchips.h b/flashchips.h
index ba97719..654b973 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -193,7 +193,8 @@
 #define ATMEL_AT45DB321E	/* same as above but with EDI 0x0100 */
 #define ATMEL_AT45DB321D	0x2701 /* Buggy data sheet */
 #define ATMEL_AT45DB642		/* No ID (opcode) available for AT45DB642 */
-#define ATMEL_AT45DB642D	0x2800
+#define ATMEL_AT45DB642D	0x280000
+#define ATMEL_AT45DB641E	0x280001
 #define ATMEL_AT49BV512		0x03	/* Same as AT49F512 */
 #define ATMEL_AT49F001N		0x05	/* Same as AT49F001 */
 #define ATMEL_AT49F001NT	0x04	/* Same as AT49F001T */

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