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kernel: add support for GD25D05 SPI NOR

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This chip is used on newer RB912UAG-5HPnD r2 boards:

Before:

[    0.642553] m25p80 spi0.0: unrecognized JEDEC id bytes: c8, 40, 10
[    0.649381] NAND flash driver for the RouterBOARD 91x series

After:

[    0.641714] m25p80 spi0.0: found gd25d05, expected m25p80
[    0.649916] m25p80 spi0.0: gd25d05 (64 Kbytes)
[    0.655122] Creating 4 MTD partitions on "spi0.0":
[    0.660164] 0x000000000000-0x00000000c000 : "routerboot"
[    0.667782] 0x00000000c000-0x00000000d000 : "hard_config"
[    0.675073] 0x00000000d000-0x00000000e000 : "bios"
[    0.682613] 0x00000000e000-0x00000000f000 : "soft_config"
[    0.690304] NAND flash driver for the RouterBOARD 91x series

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
This commit is contained in:
Koen Vandeputte 2020-01-06 14:12:02 +01:00
parent 4eba86820f
commit 6b10354b3c
1 changed files with 29 additions and 0 deletions
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29
target/linux/generic/pending-4.14/481-mtd-spi-nor-add-support-for-Gigadevice-GD25D05.patch Normal file
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@ -0,0 +1,29 @@
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(+)
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index f4afe123e9dc..a34fa42d47a2 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -2346,6 +2346,11 @@ static const struct flash_info spi_nor_ids[] = {
{ "mb85rs1mt", INFO(0x047f27, 0, 128 * 1024, 1, SPI_NOR_NO_ERASE) },
/* 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 |
--
2.17.1