From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3 6/8] mtd: nand: add driver for diskonchip g4 nand flash
Date: Sat, 13 Apr 2013 16:42:34 +0200 [thread overview]
Message-ID: <201304131642.35101.marex@denx.de> (raw)
In-Reply-To: <1365794498.3640.28@snotra>
Dear Scott Wood,
> On 04/12/2013 01:59:18 PM, Mike Dunn wrote:
> > This patch adds a driver for the diskonchip G4 nand flash device. It
> > is based
> > on the driver from the linux kernel.
> >
> > This also includes a separate SPL driver. A separate SPL driver is
> > used because
> > the device operates in a different mode (reliable mode) when loading
> > a boot
> > image, and also because the storage format of the boot image is
> > different from
> > normal data (pages are stored redundantly). The SPL driver basically
> > mimics how
> > a typical IPL reads data from the device. The special operating mode
> > and
> > storage format are used to compensate for the fact that the IPL does
> > not contain
> > the BCH ecc decoding algorithm (due to size constraints). Although
> > the u-boot
> > SPL *could* use ecc, it operates like an IPL for the sake of
> > simplicity and
> > uniformity, since the IPL and SPL share the task of loading the
> > u-boot image.
> > As a side benefit, the SPL driver is very small.
> >
> > [port from linux kernel 3.4 commit
> > 570469f3bde7f71cc1ece07a18d54a05b6a8775d]
> >
> > Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
> > ---
> >
> > Changelog:
> > v3: replace dbg macro with MTDDEBUG
> > v2: remove commented-out code
> >
> > drivers/mtd/nand/Makefile | 2 +
> > drivers/mtd/nand/docg4.c | 1028
> >
> > ++++++++++++++++++++++++++++++++++++++++++
> >
> > drivers/mtd/nand/docg4_spl.c | 222 +++++++++
> > include/linux/mtd/docg4.h | 134 ++++++
> > 4 files changed, 1386 insertions(+), 0 deletions(-)
> > create mode 100644 drivers/mtd/nand/docg4.c
> > create mode 100644 drivers/mtd/nand/docg4_spl.c
> > create mode 100644 include/linux/mtd/docg4.h
>
> Acked-by: Scott Wood <scottwood@freescale.com>
I'll pick them all if that's ok with you, Scott ?
Best regards,
Marek Vasut
next prev parent reply other threads:[~2013-04-13 14:42 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-12 18:59 [U-Boot] [PATCH v3 0/8] palm treo 680 smartphone board support Mike Dunn
2013-04-12 18:59 ` [U-Boot] [PATCH v3 1/8] pxa_lcd: add the ACX544AKN lcd device Mike Dunn
2013-04-12 18:59 ` [U-Boot] [PATCH v3 2/8] pxa_lcd: make lcd_enable() a weak pointer Mike Dunn
2013-04-12 18:59 ` [U-Boot] [PATCH v3 3/8] pxa27x_udc: remove call to unimplemented set_GPIO_mode() Mike Dunn
2013-04-12 18:59 ` [U-Boot] [PATCH v3 4/8] arm: bootm: call udc_disable() before booting linux Mike Dunn
2013-04-14 17:26 ` Marek Vasut
2013-04-14 19:22 ` Albert ARIBAUD
2013-04-14 20:12 ` Marek Vasut
2013-04-15 12:45 ` Tom Rini
2013-04-15 12:56 ` Albert ARIBAUD
2013-04-15 13:08 ` Marek Vasut
2013-04-12 18:59 ` [U-Boot] [PATCH 5/8] lib: import bitrev library from the linux kernel Mike Dunn
2013-04-12 18:59 ` [U-Boot] [PATCH v3 6/8] mtd: nand: add driver for diskonchip g4 nand flash Mike Dunn
2013-04-12 19:21 ` Scott Wood
2013-04-13 14:42 ` Marek Vasut [this message]
2013-04-15 17:51 ` Scott Wood
2013-04-12 18:59 ` [U-Boot] [PATCH v3 7/8] add support for palm treo 680 board Mike Dunn
2013-04-14 17:34 ` Marek Vasut
2013-04-15 17:34 ` Mike Dunn
2013-04-15 18:33 ` Marek Vasut
2013-04-15 19:11 ` Mike Dunn
2013-04-12 18:59 ` [U-Boot] [PATCH v3 8/8] palmtreo680: add utility that writes u-boot to flash Mike Dunn
2013-04-14 17:38 ` Marek Vasut
2013-04-16 17:50 ` Mike Dunn
2013-04-16 18:06 ` Marek Vasut
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