linux-kernel - [PATCH] mtd: spi-nor: xmc: add support for XM25QH128C and XM25QH256C

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250317182107.2060739-1-czapiga@google.com>
Date: Mon, 17 Mar 2025 18:21:06 +0000
From: Jakub Czapiga <czapiga@...gle.com>
Cc: Jakub Czapiga <czapiga@...gle.com>, Tudor Ambarus <tudor.ambarus@...aro.org>, 
	Pratyush Yadav <pratyush@...nel.org>, Michael Walle <mwalle@...nel.org>, 
	Miquel Raynal <miquel.raynal@...tlin.com>, Richard Weinberger <richard@....at>, 
	Vignesh Raghavendra <vigneshr@...com>, linux-mtd@...ts.infradead.org, 
	linux-kernel@...r.kernel.org
Subject: [PATCH] mtd: spi-nor: xmc: add support for XM25QH128C and XM25QH256C

Both chips support SFDP (JESD216).
XM25QH128C only supports 3-bit Block-Protection with Top-Bottom
configuration bit.
XM25QH256C supports 4-bit Block-Protection with Top-Bottom configuration
bit on SR(6).

Signed-off-by: Jakub Czapiga <czapiga@...gle.com>
---
 drivers/mtd/spi-nor/xmc.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/spi-nor/xmc.c b/drivers/mtd/spi-nor/xmc.c
index d5a06054b0dd..963a44c3909a 100644
--- a/drivers/mtd/spi-nor/xmc.c
+++ b/drivers/mtd/spi-nor/xmc.c
@@ -19,7 +19,17 @@ static const struct flash_info xmc_nor_parts[] = {
 		.name = "XM25QH128A",
 		.size = SZ_16M,
 		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
-	},
+	}, {
+		.id = SNOR_ID(0x20, 0x40, 0x18),
+		.name = "XM25QH128C",
+		.size = SZ_16M,
+		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB,
+	}, {
+		.id = SNOR_ID(0x20, 0x40, 0x19),
+		.name = "XM25QH256C",
+		.size = SZ_32M,
+		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_4BIT_BP | SPI_NOR_TB_SR_BIT6,
+	}
 };
 
 /* XMC (Wuhan Xinxin Semiconductor Manufacturing Corp.) */
-- 
2.49.0.rc1.451.g8f38331e32-goog