From 7432b540c15a3208fa956ee974887f4b84e60498 Mon Sep 17 00:00:00 2001
From: Ssunk <ssunkkan@gmail.com>
Date: Thu, 27 Jun 2024 21:51:29 +0800
Subject: [PATCH] flashchips: Add Support for XMC XM25QU16C

Add initial support for the SPI flash chip XM25QU16C
Datasheet link: https://www.xmcwh.com/uploads/804/XM25QU16C_%20Ver1.8.pdf

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

Change-Id: I0989b5dd239dd32f93e1a338a70e5d7279127d8d
Signed-off-by: Kan Sun <ssunkkan@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/83234
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
---
 flashchips.c         | 38 ++++++++++++++++++++++++++++++++++++++
 include/flashchips.h |  1 +
 2 files changed, 39 insertions(+)

diff --git a/flashchips.c b/flashchips.c
index 0ae5f4669..84a3b5e04 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -22086,6 +22086,44 @@ const struct flashchip flashchips[] = {
 		.voltage	= {2700, 3600},
 	},
 
+	{
+		.vendor		= "XMC",
+		.name		= "XM25QU16C",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= ST_ID,
+		.model_id	= XMC_XM25QU16C,
+		.total_size	= 2048,
+		.page_size	= 256,
+		.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, 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_PLAIN,
+		.unlock		= SPI_DISABLE_BLOCKPROTECT,
+		.write		= SPI_CHIP_WRITE256,
+		.read		= SPI_CHIP_READ,
+		.voltage	= {1650, 1950},
+	},
+
 	{
 		.vendor		= "XMC",
 		.name		= "XM25QH64C",
diff --git a/include/flashchips.h b/include/flashchips.h
index 8961754d0..c670e3f81 100644
--- a/include/flashchips.h
+++ b/include/flashchips.h
@@ -849,6 +849,7 @@
 #define XMC_XM25QU64C		0x4117
 #define XMC_XM25QU80B		0x5014
 #define XMC_XM25QH16C		0x4015	/* Same as XM25QH16D */
+#define XMC_XM25QU16C		0x5015
 #define XMC_XM25QH128A		0x7018
 #define XMC_XM25QH128C		0x4018
 #define XMC_XM25QU128C		0x4118