diff options
Diffstat (limited to 'target/linux/ramips/patches-5.10')
| -rw-r--r-- | target/linux/ramips/patches-5.10/405-mtd-spi-nor-Add-support-for-BoHong-bh25q128as.patch | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-5.10/405-mtd-spi-nor-Add-support-for-BoHong-bh25q128as.patch b/target/linux/ramips/patches-5.10/405-mtd-spi-nor-Add-support-for-BoHong-bh25q128as.patch new file mode 100644 index 0000000000..4c762925fb --- /dev/null +++ b/target/linux/ramips/patches-5.10/405-mtd-spi-nor-Add-support-for-BoHong-bh25q128as.patch @@ -0,0 +1,75 @@ +From 52d14545d2fc276b1bf9ccf48d4612fab6edfb6a Mon Sep 17 00:00:00 2001 +From: David Bauer <mail@david-bauer.net> +Date: Thu, 6 May 2021 17:49:55 +0200 +Subject: [PATCH] mtd: spi-nor: Add support for BoHong bh25q128as + +Add MTD support for the BoHong bh25q128as SPI NOR chip. +The chip has 16MB of total capacity, divided into a total of 256 +sectors, each 64KB sized. The chip also supports 4KB sectors. +Additionally, it supports dual and quad read modes. + +Functionality was verified on an Tenbay WR1800K / MTK MT7621 board. + +Signed-off-by: David Bauer <mail@david-bauer.net> +--- + drivers/mtd/spi-nor/Makefile | 1 + + drivers/mtd/spi-nor/bohong.c | 21 +++++++++++++++++++++ + drivers/mtd/spi-nor/core.c | 1 + + drivers/mtd/spi-nor/core.h | 1 + + 4 files changed, 24 insertions(+) + create mode 100644 drivers/mtd/spi-nor/bohong.c + +--- a/drivers/mtd/spi-nor/Makefile ++++ b/drivers/mtd/spi-nor/Makefile +@@ -2,6 +2,7 @@ + + spi-nor-objs := core.o sfdp.o + spi-nor-objs += atmel.o ++spi-nor-objs += bohong.o + spi-nor-objs += catalyst.o + spi-nor-objs += eon.o + spi-nor-objs += esmt.o +--- /dev/null ++++ b/drivers/mtd/spi-nor/bohong.c +@@ -0,0 +1,21 @@ ++// SPDX-License-Identifier: GPL-2.0 ++/* ++ * Copyright (C) 2005, Intec Automation Inc. ++ * Copyright (C) 2014, Freescale Semiconductor, Inc. ++ */ ++ ++#include <linux/mtd/spi-nor.h> ++ ++#include "core.h" ++ ++static const struct flash_info bohong_parts[] = { ++ /* BoHong Microelectronics */ ++ { "bh25q128as", INFO(0x684018, 0, 64 * 1024, 256, ++ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, ++}; ++ ++const struct spi_nor_manufacturer spi_nor_bohong = { ++ .name = "bohong", ++ .parts = bohong_parts, ++ .nparts = ARRAY_SIZE(bohong_parts), ++}; +--- a/drivers/mtd/spi-nor/core.c ++++ b/drivers/mtd/spi-nor/core.c +@@ -2038,6 +2038,7 @@ int spi_nor_sr2_bit7_quad_enable(struct + + static const struct spi_nor_manufacturer *manufacturers[] = { + &spi_nor_atmel, ++ &spi_nor_bohong, + &spi_nor_catalyst, + &spi_nor_eon, + &spi_nor_esmt, +--- a/drivers/mtd/spi-nor/core.h ++++ b/drivers/mtd/spi-nor/core.h +@@ -382,6 +382,7 @@ struct spi_nor_manufacturer { + + /* Manufacturer drivers. */ + extern const struct spi_nor_manufacturer spi_nor_atmel; ++extern const struct spi_nor_manufacturer spi_nor_bohong; + extern const struct spi_nor_manufacturer spi_nor_catalyst; + extern const struct spi_nor_manufacturer spi_nor_eon; + extern const struct spi_nor_manufacturer spi_nor_esmt; |