Change in flashrom[master]: Add support for IS25WQ040

[Vasily Galkin (Code Review)]

Vasily Galkin has uploaded this change for review. ( https://review.coreboot.org/c/flashrom/+/58179 )

Change subject: Add support for IS25WQ040
......................................................................

Add support for IS25WQ040

Based on https://github.com/flashrom/flashrom/pull/204
    Signed-off-by: Roman Stingler

Squashed with fixes of IS25WQ040 size: it is 4Mbits, not 4MBytes.
Fixes were tested on a real chip with ft2232_spi programmer.
    Signed-off-by: Vasily Galkin

Change-Id: I072c6b94d7931637d1c2721c3316205f2d57320e
---
M flashchips.c
M flashchips.h
2 files changed, 43 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/79/58179/1

diff --git a/flashchips.c b/flashchips.c
index 434c46d..57cc3c4 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -7611,6 +7611,48 @@

{
    	.vendor		= "ISSI",
+		.name		= "IS25WQ040",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= ISSI_ID_SPI,
+		.model_id	= ISSI_IS25WQ040,
+		.total_size	= 512,
+		.page_size	= 256,
+		/* OTP: 1024B total; read 0x48; write 0x42 */
+		/* QPI enable 0x35, disable 0xF5 */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI,
+		.tested		= TEST_OK_PREW,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	=
+		{
+			{
+				.eraseblocks = { {4 * 1024, 128} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {4 * 1024, 128} },
+				.block_erase = spi_block_erase_d7,
+			}, {
+				.eraseblocks = { {32 * 1024, 16} },
+				.block_erase = spi_block_erase_52,
+			}, {
+				.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,
+			}
+		},
+		.unlock		= spi_disable_blockprotect,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {1650, 1950},
+	},
+
+	{
+		.vendor		= "ISSI",
    	.name		= "IS29GL064B",
    	.bustype	= BUS_PARALLEL,
    	.manufacture_id	= ISSI_ID,
diff --git a/flashchips.h b/flashchips.h
index e190dca..2bce460 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -479,6 +479,7 @@
 #define ISSI_IS25WP064		0x7017
 #define ISSI_IS25WP128		0x7018
 #define ISSI_IS25WP256		0x7019
+#define ISSI_IS25WQ040		0x1253
 #define ISSI_PMC_IS29GL032B	0xF9
 #define ISSI_PMC_IS29GL032T	0xF6
 #define ISSI_PMC_IS29GL064B	0x7E1000