openwrt/target/linux/generic/pending-4.14/475-mtd-spi-nor-Add-Winbond-w25q128jv-support.patch
Kuan-Yi Li f1525e785e kernel: backport GD25Q256 support from 4.15
Backport below changes for GigaDevice GD25Q256 support from v4.15:

  e27072851bf7 mtd: spi-nor: add a quad_enable callback in struct flash_info
  65153846b18c mtd: spi-nor: add support for GD25Q256

This chip is used on newer Quad-E4G boards.

Before:

[    2.366493] m25p80 spi0.0: unrecognized JEDEC id bytes: c8, 40, 19
[    2.372853] m25p80: probe of spi0.0 failed with error -2

After:

[    2.371722] m25p80 spi0.0: gd25q256 (32768 Kbytes)
[    2.376694] 5 fixed-partitions partitions found on MTD device spi0.0
[    2.383043] Creating 5 MTD partitions on "spi0.0":
[    2.387824] 0x000000000000-0x000000030000 : "u-boot"
[    2.394138] 0x000000030000-0x000000031000 : "u-boot-env"
[    2.400608] 0x000000031000-0x000000040000 : "config"
[    2.406830] 0x000000040000-0x000000050000 : "factory"
[    2.413169] 0x000000050000-0x000002000000 : "firmware"

Signed-off-by: Kuan-Yi Li <kyli@abysm.org>
2020-12-01 21:59:30 +01:00

35 lines
1.1 KiB
Diff

From: Robert Marko <robimarko@gmail.com>
To: linux-mtd@lists.infradead.org
Subject: mtd: spi-nor: Add Winbond w25q128jv support
Date: Mon, 25 Jun 2018 13:17:48 +0200
Datasheet:
http://www.winbond.com/resource-files/w25q128jv%20revf%2003272018%20plus.pdf
Testing done on Mikrotik Routerboard wAP R board.
It does not support Dual or Quad modes.
Signed-off-by: Robert Marko <robimarko@gmail.com>
---
Changes in v2:
- Correct the title
---
drivers/mtd/spi-nor/spi-nor.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1175,6 +1175,11 @@ static const struct flash_info spi_nor_i
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
},
+ {
+ "w25q128jv", INFO(0xef7018, 0, 64 * 1024, 256,
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
+ SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
+ },
{ "w25q80", INFO(0xef5014, 0, 64 * 1024, 16, SECT_4K) },
{ "w25q80bl", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K) },
{ "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },