[PATCH 2/2] mtd: nand: Add support for Arasan Nand Flash Controller

punnaiah choudary kalluri punnaia at xilinx.com
Thu Apr 23 17:38:09 PDT 2015


On Thu, Apr 23, 2015 at 6:19 PM, Michal Simek <monstr at monstr.eu> wrote:
> On 04/16/2015 03:56 PM, Punnaiah Choudary Kalluri wrote:
>> Added the basic driver for Arasan Nand Flash Controller used in
>> Zynq UltraScale+ MPSoC. It supports only Hw Ecc and upto 24bit
>> correction.
>>
>> Signed-off-by: Punnaiah Choudary Kalluri <punnaia at xilinx.com>
>> ---
>>  drivers/mtd/nand/Kconfig      |    7 +
>>  drivers/mtd/nand/Makefile     |    1 +
>>  drivers/mtd/nand/arasan_nfc.c |  861 +++++++++++++++++++++++++++++++++++++++++
>>  3 files changed, 869 insertions(+), 0 deletions(-)
>>  create mode 100644 drivers/mtd/nand/arasan_nfc.c
>>
>> diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
>> index 5897d8d..64e497c 100644
>> --- a/drivers/mtd/nand/Kconfig
>> +++ b/drivers/mtd/nand/Kconfig
>> @@ -530,4 +530,11 @@ config MTD_NAND_HISI504
>>       help
>>         Enables support for NAND controller on Hisilicon SoC Hip04.
>>
>> +config MTD_NAND_ARASAN
>> +     tristate "Support for Arasan Nand Flash controller"
>> +     depends on MTD_NAND
>> +     help
>> +       Enables the driver for the Arasan Nand Flash controller on
>> +       Zynq UltraScale+ MPSoC.
>> +
>>  endif # MTD_NAND
>> diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
>> index 582bbd05..fd863ea 100644
>> --- a/drivers/mtd/nand/Makefile
>> +++ b/drivers/mtd/nand/Makefile
>> @@ -52,5 +52,6 @@ obj-$(CONFIG_MTD_NAND_XWAY)         += xway_nand.o
>>  obj-$(CONFIG_MTD_NAND_BCM47XXNFLASH) += bcm47xxnflash/
>>  obj-$(CONFIG_MTD_NAND_SUNXI)         += sunxi_nand.o
>>  obj-$(CONFIG_MTD_NAND_HISI504)               += hisi504_nand.o
>> +obj-$(CONFIG_MTD_NAND_ARASAN)                += arasan_nfc.o
>>
>>  nand-objs := nand_base.o nand_bbt.o nand_timings.o
>> diff --git a/drivers/mtd/nand/arasan_nfc.c b/drivers/mtd/nand/arasan_nfc.c
>> new file mode 100644
>> index 0000000..a4b407b
>> --- /dev/null
>> +++ b/drivers/mtd/nand/arasan_nfc.c
>> @@ -0,0 +1,861 @@
>> +/*
>> + * Arasan Nand Flash Controller Driver
>> + *
>> + * Copyright (C) 2014 - 2015 Xilinx, Inc.
>> + *
>> + * This program is free software; you can redistribute it and/or modify it under
>> + * the terms of the GNU General Public License version 2 as published by the
>> + * Free Software Foundation; either version 2 of the License, or (at your
>> + * option) any later version.
>> + */
>> +
>> +#include <linux/delay.h>
>> +#include <linux/dma-mapping.h>
>> +#include <linux/interrupt.h>
>> +#include <linux/module.h>
>> +#include <linux/mtd/mtd.h>
>> +#include <linux/mtd/nand.h>
>> +#include <linux/mtd/partitions.h>
>
> For !CONFIG_OF_MTD here should be also. Kbuild system just reported this
> problem.
>
> #include <linux/of.h>
>
> For the rest
> Tested-by: Michal Simek <michal.simek at xilinx.com>

Ok. I will check and update this.

Thanks
Punnaiah

>
> Thanks,
> Michal
>
> --
> Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
> w: www.monstr.eu p: +42-0-721842854
> Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
> Maintainer of Linux kernel - Xilinx Zynq ARM architecture
> Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform
>
>



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