Anastasia Klimchuk submitted this change.

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flashchips: add support for chip model Winbond W25Q16JV_M

This is a 2 MiB model with QE=0 factory setting.

Tested with ch341a programmer: probe, read, write, erase

Link to datasheet:
https://www.winbond.com/resource-files/w25q16jv%20spi%20revh%2004082019%20plus.pdf

Change-Id: Ida1ceb5fe31411bef647e5133c5bd0bdb02d7704
Signed-off-by: Michael Heimpold <mhei@heimpold.de>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/82715
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
M flashchips.c
M include/flashchips.h
2 files changed, 53 insertions(+), 0 deletions(-)

diff --git a/flashchips.c b/flashchips.c
index a5d9ec2..86ebce3 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -19332,6 +19332,58 @@
 
 	{
 		.vendor		= "Winbond",
+		.name		= "W25Q16JV_M",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= WINBOND_NEX_ID,
+		.model_id	= WINBOND_NEX_W25Q16JV_M,
+		.total_size	= 2048,
+		.page_size	= 256,
+		/* supports SFDP */
+		/* OTP: 3x 256B total; read 0x48; write 0x42, erase 0x44, read ID 0x4B */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI |
+				  FEATURE_WRSR2 | FEATURE_WRSR3,
+		.tested		= TEST_OK_PREW,
+		.probe		= PROBE_SPI_RDID,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 512} },
+				.block_erase = SPI_BLOCK_ERASE_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 64} },
+				.block_erase = SPI_BLOCK_ERASE_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 32} },
+				.block_erase = SPI_BLOCK_ERASE_D8,
+			}, {
+				.eraseblocks = { {2 * 1024 * 1024, 1} },
+				.block_erase = SPI_BLOCK_ERASE_60,
+			}, {
+				.eraseblocks = { {2 * 1024 * 1024, 1} },
+				.block_erase = SPI_BLOCK_ERASE_C7,
+			}
+		},
+		.printlock	= SPI_PRETTYPRINT_STATUS_REGISTER_SRWD_SEC_TB_BP2_WELWIP,
+		.unlock		= SPI_DISABLE_BLOCKPROTECT,
+		.write		= SPI_CHIP_WRITE256,
+		.read		= SPI_CHIP_READ,
+		.voltage	= {2700, 3600},
+		.reg_bits	=
+		{
+			.srp    = {STATUS1, 7, RW},
+			.sec    = {STATUS1, 6, RW},
+			.tb     = {STATUS1, 5, RW},
+			.bp     = {{STATUS1, 2, RW}, {STATUS1, 3, RW}, {STATUS1, 4, RW}},
+			.cmp    = {STATUS2, 6, RW},
+			.srl    = {STATUS2, 0, RW},
+			.wps    = {STATUS3, 2, RW},
+		},
+		.decode_range	= DECODE_RANGE_SPI25,
+	},
+
+	{
+		.vendor		= "Winbond",
 		.name		= "W25Q16.V",
 		.bustype	= BUS_SPI,
 		.manufacture_id	= WINBOND_NEX_ID,
diff --git a/include/flashchips.h b/include/flashchips.h
index c264b04..691ffc5 100644
--- a/include/flashchips.h
+++ b/include/flashchips.h
@@ -1009,6 +1009,7 @@
 #define WINBOND_NEX_W25Q64_W	0x6017	/* W25Q64DW; W25Q64FV in QPI mode */
 #define WINBOND_NEX_W25Q128_W	0x6018	/* W25Q128FW; W25Q128FV in QPI mode */
 #define WINBOND_NEX_W25Q256_W	0x6019	/* W25Q256JW */
+#define WINBOND_NEX_W25Q16JV_M	0x7015	/* W25Q16JV_M (QE=0) */
 #define WINBOND_NEX_W25Q64JV	0x7017	/* W25Q64JV */
 #define WINBOND_NEX_W25Q128_V_M	0x7018	/* W25Q128JVSM */
 #define WINBOND_NEX_W25Q256JV_M	0x7019	/* W25Q256JV_M (QE=0) */

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