openwrt/target/linux/generic/pending-4.14/481-mtd-spi-nor-add-support-for-Gigadevice-GD25D05.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

25 lines
818 B
Diff

From d68b4aa22e8c625685bfad642dd7337948dc0ad1 Mon Sep 17 00:00:00 2001
From: Koen Vandeputte <koen.vandeputte@ncentric.com>
Date: Mon, 6 Jan 2020 13:07:56 +0100
Subject: [PATCH] mtd: spi-nor: add support for Gigadevice GD25D05
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
---
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
@@ -980,6 +980,11 @@ static const struct flash_info spi_nor_i
/* GigaDevice */
{
+ "gd25d05", INFO(0xc84010, 0, 64 * 1024, 1,
+ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
+ SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)
+ },
+ {
"gd25q16", INFO(0xc84015, 0, 64 * 1024, 32,
SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB)