1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
From: David Bauer <mail@david-bauer.net>
Date: Thu, 11 Feb 2021 19:57:26 +0100
Subject: [PATCH] mtd: spi-nor: add support for Winbond W25Q512
The Winbond W25Q512 is a 512mb SPI-NOR chip. It supports 4K sectors as
well as block protection and Dual-/Quad-read.
Tested on: Ubiquiti UniFi 6 LR
Signed-off-by: David Bauer <mail@david-bauer.net>
Ref: https://patchwork.ozlabs.org/project/linux-mtd/patch/20210213151047.11700-1-mail@david-bauer.net/
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -2552,6 +2552,9 @@ static const struct flash_info spi_nor_i
.fixups = &w25q256_fixups },
{ "w25q256jvm", INFO(0xef7019, 0, 64 * 1024, 512,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+ { "w25q512jv", INFO(0xef4020, 0, 64 * 1024, 1024,
+ SECT_4K | SPI_NOR_QUAD_READ | SPI_NOR_DUAL_READ |
+ SPI_NOR_HAS_TB | SPI_NOR_HAS_LOCK) },
{ "w25m512jv", INFO(0xef7119, 0, 64 * 1024, 1024,
SECT_4K | SPI_NOR_QUAD_READ | SPI_NOR_DUAL_READ) },
|