David Hendricks has uploaded this change for review.

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flashchips: Add W25Q256JV support

Similar to W25Q256FV, but it supports the native 4BA page program
instruction (12h). Note that the variant with QE enabled by default
shares the device ID of the W25Q256FV.

Tested using a Raspberry Pi.

Change-Id: I76d7362777d364594d2a733d7e478741b0bef7c4
Signed-off-by: David Hendricks <david.hendricks@gmail.com>
---
M flashchips.c
M flashchips.h
2 files changed, 49 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/05/29305/1

diff --git a/flashchips.c b/flashchips.c
index 8065283..bbd5cad 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -15550,6 +15550,53 @@
 
 	{
 		.vendor		= "Winbond",
+		.name		= "W25Q256JV_M",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= WINBOND_NEX_ID,
+		.model_id	= WINBOND_NEX_W25Q256JV_M,
+		.total_size	= 32768,
+		.page_size	= 256,
+		/* supports SFDP */
+		/* OTP: 1024B total, 256B reserved; read 0x48; write 0x42, erase 0x44, read ID 0x4B */
+		/* FOUR_BYTE_ADDR: supports 4-bytes addressing mode */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_4BA,
+		.tested		= TEST_OK_PREW,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 8192} },
+				.block_erase = spi_block_erase_21,
+			}, {
+				.eraseblocks = { {4 * 1024, 8192} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 1024} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 512} },
+				.block_erase = spi_block_erase_dc,
+			}, {
+				.eraseblocks = { {64 * 1024, 512} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {32 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { {32 * 1024 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_plain, /* TODO: improve */
+		.unlock		= spi_disable_blockprotect,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {2700, 3600},
+	},
+
+	{
+		.vendor		= "Winbond",
 		.name		= "W25Q20.W",
 		.bustype	= BUS_SPI,
 		.manufacture_id	= WINBOND_NEX_ID,
diff --git a/flashchips.h b/flashchips.h
index 218cb5b..429acef 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -916,7 +916,7 @@
 #define WINBOND_NEX_W25Q32_V	0x4016	/* W25Q32BV; W25Q32FV in SPI mode (default) */
 #define WINBOND_NEX_W25Q64_V	0x4017	/* W25Q64BV, W25Q64CV; W25Q64FV in SPI mode (default) */
 #define WINBOND_NEX_W25Q128_V	0x4018	/* W25Q128BV; W25Q128FV in SPI mode (default) */
-#define WINBOND_NEX_W25Q256_V	0x4019	/* W25Q256FV */
+#define WINBOND_NEX_W25Q256_V	0x4019	/* W25Q256FV or W25Q256JV_Q (QE=1) */
 #define WINBOND_NEX_W25Q20_W	0x5012	/* W25Q20BW */
 #define WINBOND_NEX_W25Q40BW	0x5013	/* W25Q40BW */
 #define WINBOND_NEX_W25Q80BW	0x5014	/* W25Q80BW */
@@ -927,6 +927,7 @@
 #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_W25Q128_V_M	0x7018	/* W25Q128JVSM */
+#define WINBOND_NEX_W25Q256JV_M	0x7019	/* W25Q256JV_M (QE=0) */
 
 #define WINBOND_ID		0xDA	/* Winbond */
 #define WINBOND_W19B160BB	0x49

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