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f1525e785e
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>
31 lines
1.2 KiB
Diff
31 lines
1.2 KiB
Diff
From b02f3405c935a28200db26b63e42086057565cf4 Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Sat, 31 Mar 2018 20:09:54 +0200
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Subject: [PATCH] mtd: spi-nor: Add support for XM25QH64A and XM25QH128A
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These devices are produced by Wuhan Xinxin Semiconductor Manufacturing
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Corp. (XMC) and found on some routers from Chinese manufactures.
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The data sheets can be found here:
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http://www.xmcwh.com/Uploads/2018-03-01/5a9799e4cb355.pdf
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http://www.xmcwh.com/Uploads/2018-02-05/5a77e6dbe968b.pdf
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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---
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drivers/mtd/spi-nor/spi-nor.c | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/drivers/mtd/spi-nor/spi-nor.c
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+++ b/drivers/mtd/spi-nor/spi-nor.c
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@@ -1202,6 +1202,10 @@ static const struct flash_info spi_nor_i
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{ "3S400AN", S3AN_INFO(0x1f2400, 256, 264) },
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{ "3S700AN", S3AN_INFO(0x1f2500, 512, 264) },
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{ "3S1400AN", S3AN_INFO(0x1f2600, 512, 528) },
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+
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+ /* XMC (Wuhan Xinxin Semiconductor Manufacturing Corp.) */
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+ { "XM25QH64A", INFO(0x207017, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
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+ { "XM25QH128A", INFO(0x207018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
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{ },
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};
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