Re: [PATCH 2/2] mtd: nand: Add support for Arasan Nand Flash Controller
On Thu, Apr 23, 2015 at 6:19 PM, Michal Simek 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 >> --- >> 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 000..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 >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include > > For !CONFIG_OF_MTD here should be also. Kbuild system just reported this > problem. > > #include > > For the rest > Tested-by: Michal Simek 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 > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 2/2] mtd: nand: Add support for Arasan Nand Flash Controller
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 > --- > 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 000..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 > +#include > +#include > +#include > +#include > +#include > +#include For !CONFIG_OF_MTD here should be also. Kbuild system just reported this problem. #include For the rest Tested-by: Michal Simek 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 signature.asc Description: OpenPGP digital signature
[PATCH 2/2] mtd: nand: Add support for Arasan Nand Flash Controller
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 --- 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 000..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 +#include +#include +#include +#include +#include +#include +#include +#include + +#define DRIVER_NAME"arasan_nfc" +#define EVNT_TIMEOUT 1000 +#define STATUS_TIMEOUT 2000 + +#define PKT_OFST 0x00 +#define MEM_ADDR1_OFST 0x04 +#define MEM_ADDR2_OFST 0x08 +#define CMD_OFST 0x0C +#define PROG_OFST 0x10 +#define INTR_STS_EN_OFST 0x14 +#define INTR_SIG_EN_OFST 0x18 +#define INTR_STS_OFST 0x1C +#define READY_STS_OFST 0x20 +#define DMA_ADDR1_OFST 0x24 +#define FLASH_STS_OFST 0x28 +#define DATA_PORT_OFST 0x30 +#define ECC_OFST 0x34 +#define ECC_ERR_CNT_OFST 0x38 +#define ECC_SPR_CMD_OFST 0x3C +#define ECC_ERR_CNT_1BIT_OFST 0x40 +#define ECC_ERR_CNT_2BIT_OFST 0x44 +#define DMA_ADDR0_OFST 0x50 + +#define PKT_CNT_SHIFT 12 + +#define ECC_ENABLE BIT(31) +#define DMA_EN_MASKGENMASK(27, 26) +#define DMA_ENABLE 0x2 +#define DMA_EN_SHIFT 26 +#define PAGE_SIZE_MASK GENMASK(25, 23) +#define PAGE_SIZE_SHIFT23 +#define PAGE_SIZE_512 0 +#define PAGE_SIZE_1K 5 +#define PAGE_SIZE_2K 1 +#define PAGE_SIZE_4K 2 +#define PAGE_SIZE_8K 3 +#define PAGE_SIZE_16K 4 +#define CMD2_SHIFT 8 +#define ADDR_CYCLES_SHIFT 28 + +#define XFER_COMPLETE BIT(2) +#define READ_READY BIT(1) +#define WRITE_READYBIT(0) +#define MBIT_ERROR BIT(3) +#define ERR_INTRPT BIT(4) + +#define PROG_PGRD BIT(0) +#define PROG_ERASE BIT(2) +#define PROG_STATUSBIT(3) +#define PROG_PGPROGBIT(4) +#define PROG_RDID BIT(6) +#define PROG_RDPARAM BIT(7) +#define PROG_RST BIT(8) + +#define ONFI_STATUS_FAIL BIT(0) +#define ONFI_STATUS_READY BIT(6) + +#define PG_ADDR_SHIFT 16 +#define BCH_MODE_SHIFT 25 +#define BCH_EN_SHIFT 27 +#define ECC_SIZE_SHIFT 16 + +#define MEM_ADDR_MASK GENMASK(7, 0) +#define BCH_MODE_MASK GENMASK(27, 25) + +#define CS_MASKGENMASK(31, 30) +#define CS_SHIFT 30 + +#define PAGE_ERR_CNT_MASK GENMASK(16, 8) +#define PKT_ERR_CNT_MASK GENMASK(7, 0) + +#define ONFI_ID_LEN
