mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 06:57:57 +00:00
f0f35fdac1
This reverts commit d7f21940bc.
Winbond W25Q256FV and W25Q256JV both uses 0xef4019 as JEDEC ID,
but only the latter has proper 4B_OPCODES support.
W25Q256FV has all 4B read instructions but it lacks a 4B page program
instruction, causing the entire flash to be read-only.
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
43 lines
1.8 KiB
Diff
43 lines
1.8 KiB
Diff
From patchwork Thu Feb 6 17:19:41 2020
|
|
Content-Type: text/plain; charset="utf-8"
|
|
MIME-Version: 1.0
|
|
Content-Transfer-Encoding: 7bit
|
|
X-Patchwork-Submitter: Daniel Golle <daniel@makrotopia.org>
|
|
X-Patchwork-Id: 1234465
|
|
Date: Thu, 6 Feb 2020 19:19:41 +0200
|
|
From: Daniel Golle <daniel@makrotopia.org>
|
|
To: linux-mtd@lists.infradead.org
|
|
Subject: [PATCH v2] mtd: spi-nor: Add support for xt25f128b chip
|
|
Message-ID: <20200206171941.GA2398@makrotopia.org>
|
|
MIME-Version: 1.0
|
|
Content-Disposition: inline
|
|
List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>,
|
|
<mailto:linux-mtd-request@lists.infradead.org?subject=subscribe>
|
|
Cc: Eitan Cohen <eitan@neot-semadar.com>, Piotr Dymacz <pepe2k@gmail.com>,
|
|
Tudor Ambarus <tudor.ambarus@microchip.com>
|
|
Sender: "linux-mtd" <linux-mtd-bounces@lists.infradead.org>
|
|
Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org
|
|
|
|
Add XT25F128B made by XTX Technology (Shenzhen) Limited.
|
|
This chip supports dual and quad read and uniform 4K-byte erase.
|
|
Verified on Teltonika RUT955 which comes with XT25F128B in recent
|
|
versions of the device.
|
|
|
|
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
|
|
---
|
|
drivers/mtd/spi-nor/spi-nor.c | 4 ++++
|
|
1 file changed, 4 insertions(+)
|
|
|
|
--- a/drivers/mtd/spi-nor/spi-nor.c
|
|
+++ b/drivers/mtd/spi-nor/spi-nor.c
|
|
@@ -2504,6 +2504,9 @@ static const struct flash_info spi_nor_i
|
|
/* XMC (Wuhan Xinxin Semiconductor Manufacturing Corp.) */
|
|
{ "XM25QH64A", INFO(0x207017, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
|
|
{ "XM25QH128A", INFO(0x207018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
|
|
+
|
|
+ /* XTX Technology (Shenzhen) Limited */
|
|
+ { "xt25f128b", INFO(0x0B4018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
|
|
{ },
|
|
};
|
|
|