From 4dc8e547c0c2fa21fa29fdb8ecf3e76e9090d495 Mon Sep 17 00:00:00 2001
From: Bora Guvendik <bora.guvendik@intel.com>
Date: Wed, 22 May 2024 13:45:22 -0700
Subject: [PATCH] flashchips: add support for MX77U51250F chip

Add initial support for Macronix MX77U51250F.

Change-Id: I2c2e94f01dc63f60cf636bc6afe1f033e2a6f83c
Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
---
 flashchips.c         | 40 ++++++++++++++++++++++++++++++++++++++++
 include/flashchips.h |  1 +
 2 files changed, 41 insertions(+)

diff --git a/flashchips.c b/flashchips.c
index 59edeb3e8..708b145e5 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -11609,6 +11609,46 @@ const struct flashchip flashchips[] = {
 		.voltage	= {2700, 3600},
 	},
 
+	{
+		.vendor		= "Macronix",
+		.name		= "MX77U51250F",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= MACRONIX_ID,
+		.model_id	= MACRONIX_MX77U51250F,
+		.total_size	= 65536,
+		.page_size	= 256,
+		/* OTP: 512B total; enter 0xB1, exit 0xC1 */
+		.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, 16384} },
+				.block_erase = SPI_BLOCK_ERASE_20,
+			}, {
+				.eraseblocks = { {32 * 1024, 2048} },
+				.block_erase = SPI_BLOCK_ERASE_52,
+			}, {
+				.eraseblocks = { {64 * 1024, 1024} },
+				.block_erase = SPI_BLOCK_ERASE_D8,
+			}, {
+				.eraseblocks = { {64 * 1024 * 1024, 1} },
+				.block_erase = SPI_BLOCK_ERASE_60,
+			}, {
+				.eraseblocks = { {64 * 1024 * 1024, 1} },
+				.block_erase = SPI_BLOCK_ERASE_C7,
+			}
+		},
+		/* TODO: block WP, security register, configuration register */
+		.printlock	= SPI_PRETTYPRINT_STATUS_REGISTER_BP3_SRWD, /* bit6 is quad enable */
+		.unlock		= SPI_DISABLE_BLOCKPROTECT_BP3_SRWD,
+		.write		= SPI_CHIP_WRITE256,
+		.read		= SPI_CHIP_READ, /* Fast read (0x0B) supported */
+		.voltage	= {1650, 2000},
+	},
+
 	/* The ST M25P05 is a bit of a problem. It has the same ID as the
 	 * ST M25P05-A in RES mode, but supports only 128 byte writes instead
 	 * of 256 byte writes. We rely heavily on the fact that PROBE_SPI_RES1
diff --git a/include/flashchips.h b/include/flashchips.h
index 1e30e84ee..e0360ae2a 100644
--- a/include/flashchips.h
+++ b/include/flashchips.h
@@ -536,6 +536,7 @@
 #define MACRONIX_MX25L6495F	0x9517
 #define MACRONIX_MX25L3255E	0x9e16
 #define MACRONIX_MX77L25650F	0x7519
+#define MACRONIX_MX77U51250F	0x753A
 #define MACRONIX_MX25L3239E     0x2536
 
 #define MACRONIX_MX25R1635F	0x2815