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10bfa766ef
linux/drivers/mtd/nand
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Prabhakar Kushwaha 10bfa766ef driver/mtd:IFC NAND:Initialise internal SRAM before any write 
IFC-1.1.0 uses 28nm techenology for SRAM. This tech has known limitaion for
SRAM i.e. "byte select" is not supported. Hence Read Modify Write is
implemented in IFC for any "system side write" into sram buffer. Reading an
uninitialized memory results in ECC Error from sram wrapper.

Hence we must initialize/prefill SRAM buffer by any data before writing
anything in SRAM from system side. To initialize SRAM user can use "READID"
NAND command with read bytes equal to SRAM size. It will be a one time
activity post boot.

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Acked-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2012-09-27 07:32:25 -05:00
..
gpmi-nand mtd: gpmi-nand: fix read page when reading to vmalloced area 2012-07-06 15:06:23 +01:00
alauda.c mtd: driver _read() returns max_bitflips; mtd_read() returns -EUCLEAN 2012-05-13 23:14:23 -05:00
ams-delta.c mtd: ams-delta: fix request_mem_region() failure 2012-05-08 16:24:33 -05:00
atmel_nand_ecc.h
atmel_nand.c mtd: nand: add 'oob_required' argument to NAND {read,write}_page interfaces 2012-05-13 23:20:00 -05:00
au1550nd.c mtd: nand: kill NAND_NO_AUTOINCR option 2012-05-13 23:15:38 -05:00
autcpu12.c ARM: clps711x: Using a single definition for the PHYS and VIRT registers offset 2012-05-11 16:18:01 +02:00
bcm_umi_bch.c mtd: nand: add 'oob_required' argument to NAND {read,write}_page interfaces 2012-05-13 23:20:00 -05:00
bcm_umi_nand.c mtd: nand: add 'oob_required' argument to NAND {read,write}_page interfaces 2012-05-13 23:20:00 -05:00
bf5xx_nand.c mtd: nand: add 'oob_required' argument to NAND {read,write}_page interfaces 2012-05-13 23:20:00 -05:00
cafe_nand.c mtd: cafe_nand: fix an & vs | mistake 2012-07-06 14:27:13 +01:00
cmx270_nand.c mtd: do not use plain 0 as NULL 2012-03-27 00:53:20 +01:00
cs553x_nand.c mtd: nand: kill NAND_NO_AUTOINCR option 2012-05-13 23:15:38 -05:00
davinci_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
denali.c mtd: nand: remove 'sndcmd' parameter of 'read_oob/read_oob_raw' 2012-05-13 23:24:40 -05:00
denali.h mtd: denali: detect the number of banks 2011-05-25 02:02:12 +01:00
diskonchip.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
docg4.c mtd: nand: remove 'sndcmd' parameter of 'read_oob/read_oob_raw' 2012-05-13 23:24:40 -05:00
fsl_elbc_nand.c mtd: eLBC NAND: utilize oob_required parameter 2012-05-13 23:21:39 -05:00
fsl_ifc_nand.c driver/mtd:IFC NAND:Initialise internal SRAM before any write 2012-09-27 07:32:25 -05:00
fsl_upm.c mtd: convert drivers/mtd/* to use module_platform_driver() 2012-01-09 18:12:35 +00:00
fsmc_nand.c mtd: nand: add 'oob_required' argument to NAND {read,write}_page interfaces 2012-05-13 23:20:00 -05:00
gpio.c mtd: gpio-nand: add device tree bindings 2012-01-09 18:23:58 +00:00
h1910.c - More robust parsing especially of xattr data in JFFS2 2012-06-01 16:55:42 -07:00
jz4740_nand.c MTD: NAND: JZ4740: Multi-bank support with autodetection 2012-07-23 13:56:20 +01:00
Kconfig ARM: imx: gpmi-nand depends on mxs-dma 2012-08-09 15:16:44 +02:00
Makefile MTD merge for 3.4 2012-03-30 17:31:56 -07:00
mpc5121_nfc.c mtd: nand: kill NAND_NO_AUTOINCR option 2012-05-13 23:15:38 -05:00
mxc_nand.c mtd: mxc_nand: use 32bit copy functions 2012-07-06 15:06:18 +01:00
nand_base.c mtd: nand: initialize bitflip_threshold prior to BBT scanning 2012-06-09 12:02:04 +01:00
nand_bbt.c mtd: nand: fix scan_read_raw_oob 2012-05-29 11:14:58 +03:00
nand_bch.c mtd: cleanup style on pr_debug messages 2011-09-11 15:02:16 +03:00
nand_bcm_umi.c mtd: add bcmring nand driver 2009-10-20 10:07:23 +09:00
nand_bcm_umi.h mtd: nand_bcm: fix hot spin and code duplication 2010-02-26 16:56:35 +00:00
nand_ecc.c mtd: spelling, capitalization, uniformity 2011-09-11 15:02:13 +03:00
nand_ids.c mtd: nand: kill NAND_NO_AUTOINCR option 2012-05-13 23:15:38 -05:00
nandsim.c mtd: nandsim: don't open code a do_div helper 2012-07-06 16:59:33 +01:00
ndfc.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
nomadik_nand.c mtd: introduce mtd_resume interface 2012-01-09 18:25:46 +00:00
nuc900_nand.c mtd: convert drivers/mtd/* to use module_platform_driver() 2012-01-09 18:12:35 +00:00
omap2.c mtd/omap2: fix dmaengine_slave_config error handling 2012-08-10 12:27:46 +02:00
orion_nand.c ARM: Kirkwood: Replace mrvl with marvell 2012-07-25 17:06:23 +02:00
pasemi_nand.c mtd: nand: kill NAND_NO_AUTOINCR option 2012-05-13 23:15:38 -05:00
plat_nand.c mtd: add read_byte support to plat_nand 2012-05-13 23:16:53 -05:00
ppchameleonevb.c mtd: do not use plain 0 as NULL 2012-03-27 00:53:20 +01:00
pxa3xx_nand.c mtd: nand: add 'oob_required' argument to NAND {read,write}_page interfaces 2012-05-13 23:20:00 -05:00
r852.c mtd: nand: remove 'sndcmd' parameter of 'read_oob/read_oob_raw' 2012-05-13 23:24:40 -05:00
r852.h mtd: r852: remove useless pci powerup/down from suspend/resume routines 2010-10-25 01:32:21 +01:00
rtc_from4.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
s3c2410.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
sh_flctl.c mtd: nand: add 'oob_required' argument to NAND {read,write}_page interfaces 2012-05-13 23:20:00 -05:00
sharpsl.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
sm_common.c mtd: nand: kill NAND_NO_AUTOINCR option 2012-05-13 23:15:38 -05:00
sm_common.h mtd: sm_common: split smartmedia and xD table 2010-05-14 01:03:46 +01:00
socrates_nand.c mtd: convert drivers/mtd/* to use module_platform_driver() 2012-01-09 18:12:35 +00:00
spia.c mtd: convert remaining users to mtd_device_register() 2011-05-25 02:25:00 +01:00
tmio_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
txx9ndfmc.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00