From 2bfc85b2a605191339fbf21738fd559036bd60e7 Mon Sep 17 00:00:00 2001
From: "Joseph C. Lehner" <joseph.c.lehner@gmail.com>
Date: Mon, 6 Sep 2021 17:59:52 +0200
Subject: [PATCH] flashchips: add Macronix MX25L3255E

Tested using the linux_spi programmer on a Raspberry Pi.

Datasheet:
https://media.digikey.com/pdf/Data%20Sheets/Macronix/MX25L3255E.pdf

Signed-off-by: Joseph C. Lehner <joseph.c.lehner@gmail.com>
Change-Id: I65968771e22e6b823d2d6192c33f5b0cba25d5b9
Signed-off-by: Anastasia Klimchuk <aklm@flashrom.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/57410
Reviewed-by: Nicholas Chin <nic.c3.14@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 flashchips.c         | 40 ++++++++++++++++++++++++++++++++++++++++
 include/flashchips.h |  1 +
 2 files changed, 41 insertions(+)

diff --git a/flashchips.c b/flashchips.c
index 98bce407f..6920c03c9 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -9393,6 +9393,46 @@ const struct flashchip flashchips[] = {
 		.voltage	= {2700, 3600}, /* 33F 2.65V..3.6V */
 	},
 
+	{
+		.vendor		= "Macronix",
+		.name		= "MX25L3255E",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= MACRONIX_ID,
+		.model_id	= MACRONIX_MX25L3255E,
+		.total_size	= 4096,
+		.page_size	= 256,
+		/* OTP: 4K total; enter 0xB1, exit 0xC1 */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		.tested		= TEST_OK_PREW,
+		.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 = { {4 * 1024 * 1024, 1} },
+				.block_erase = SPI_BLOCK_ERASE_60,
+			}, {
+				.eraseblocks = { {4 * 1024 * 1024, 1} },
+				.block_erase = SPI_BLOCK_ERASE_C7,
+			},
+		},
+		.printlock	= SPI_PRETTYPRINT_STATUS_REGISTER_BP3_SRWD,
+		.unlock		= SPI_DISABLE_BLOCKPROTECT_BP3_SRWD,
+		.write		= SPI_CHIP_WRITE256,
+		/* Fast read (0x0B), 2x and 4x I/O supported */
+		.read		= SPI_CHIP_READ,
+		.voltage	= {2700, 3600},
+	},
+
 	{
 		.vendor		= "Macronix",
 		.name		= "MX25L4005(A/C)/MX25L4006E",
diff --git a/include/flashchips.h b/include/flashchips.h
index 976b4cb0c..e07a48dcc 100644
--- a/include/flashchips.h
+++ b/include/flashchips.h
@@ -532,6 +532,7 @@
 #define MACRONIX_MX25U51245G	0x253a
 #define MACRONIX_MX25L3235D	0x5E16	/* MX25L3225D/MX25L3235D/MX25L3237D */
 #define MACRONIX_MX25L6495F	0x9517
+#define MACRONIX_MX25L3255E	0x9e16
 #define MACRONIX_MX77L25650F	0x7519
 
 #define MACRONIX_MX25R3235F	0x2816