Re: [U-Boot] [PATCH 0/7] sunxi: Add support for the CHIP Pro

2016-11-11 Thread Tom Rini
On Thu, Nov 10, 2016 at 12:57:09PM +0100, Heiko Schocher wrote:
> Hello Maxime,
> 
> Am 09.11.2016 um 15:44 schrieb Maxime Ripard:
> >Hi Heiko,
> >
> >On Wed, Nov 09, 2016 at 08:47:12AM +0100, Heiko Schocher wrote:
> >>Am 08.11.2016 um 17:21 schrieb Maxime Ripard:
> >>>The CHIP Pro is a SoM made by NextThing Co, and that embeds a GR8 SIP, an
> >>>AXP209 PMIC, a WiFi BT chip and a 512MB SLC NAND.
> >>>
> >>>Since the first Allwinner device coming whit an SLC NAND that doesn't have
> >>>the shortcomings (and breakages) the MLC NAND has, we can finally enable
> >>>the NAND support on a board by default.
> >>>
> >>>This is the occasion to introduce a bunch of additions needed imo to be
> >>>able to come up with a sane NAND support for our users.
> >>>
> >>>The biggest pain point is that the BROM uses a different ECC and randomizer
> >>>configuration than for the rest of the NAND. In order to lessen the number
> >>>of bitflips, you also need to pad with random data the SPL image.
> >>>
> >>>Since it's quite tedious to do right (and most users won't be able to
> >>>figure it out) and since if it is not done right, it will eventually turn
> >>>into an unusable system (which is bad UX), we think that the best solution
> >>>is to generate an SPL image that already embeds all this. We'll possible
> >>>have to do the same thing for the U-Boot image (at least for the random
> >>>padding) on MLC NANDs.
> >>>
> >>>The only drawback from that is that you need to flash it raw, instead of
> >>>using the usual nand write, but it's just a different command, nothing
> >>>major anyway.
> >>>
> >>>In order to flash it, from a device switched in FEL, on your host:
> >>>sunxi-fel spl spl/sunxi-spl.bin
> >>>sunxi-fel write 0x4a00 u-boot-dtb.bin
> >>>sunxi-fel write 0x4300 spl/sunxi-spl-with-ecc.bin
> >>>sunxi-fel exe 0x4a00
> >>>
> >>>And on the board, once u-boot is running (assuming the NAND is already
> >>>erased):
> >>>
> >>>nand write.raw.noverify 0x4300 0 40
> >>>nand write.raw.noverify 0x4300 0x40 40
> >>>
> >>>nand write 0x4a00 0x80 0xc
> >>>
> >>>I also encountered some weird bug in the private libgcc that prevents
> >>>U-Boot from loading. Disabling CONFIG_USE_PRIVATE_LIBGCC fixes that.
> >>
> >>What was the problem?
> >
> >It has been reported here:
> >http://lists.denx.de/pipermail/u-boot/2016-August/264513.html
> 
> Hmm.. could not find, what was the real problem ...

And since it's another area we're just borrowing kernel code for, it'd
be good to figure out what odd corner-case is going wrong somewhere and
what the fix is.

-- 
Tom


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Re: [U-Boot] [PATCH 0/7] sunxi: Add support for the CHIP Pro

2016-11-10 Thread Heiko Schocher

Hello Maxime,

Am 09.11.2016 um 15:44 schrieb Maxime Ripard:

Hi Heiko,

On Wed, Nov 09, 2016 at 08:47:12AM +0100, Heiko Schocher wrote:

Am 08.11.2016 um 17:21 schrieb Maxime Ripard:

The CHIP Pro is a SoM made by NextThing Co, and that embeds a GR8 SIP, an
AXP209 PMIC, a WiFi BT chip and a 512MB SLC NAND.

Since the first Allwinner device coming whit an SLC NAND that doesn't have
the shortcomings (and breakages) the MLC NAND has, we can finally enable
the NAND support on a board by default.

This is the occasion to introduce a bunch of additions needed imo to be
able to come up with a sane NAND support for our users.

The biggest pain point is that the BROM uses a different ECC and randomizer
configuration than for the rest of the NAND. In order to lessen the number
of bitflips, you also need to pad with random data the SPL image.

Since it's quite tedious to do right (and most users won't be able to
figure it out) and since if it is not done right, it will eventually turn
into an unusable system (which is bad UX), we think that the best solution
is to generate an SPL image that already embeds all this. We'll possible
have to do the same thing for the U-Boot image (at least for the random
padding) on MLC NANDs.

The only drawback from that is that you need to flash it raw, instead of
using the usual nand write, but it's just a different command, nothing
major anyway.

In order to flash it, from a device switched in FEL, on your host:
sunxi-fel spl spl/sunxi-spl.bin
sunxi-fel write 0x4a00 u-boot-dtb.bin
sunxi-fel write 0x4300 spl/sunxi-spl-with-ecc.bin
sunxi-fel exe 0x4a00

And on the board, once u-boot is running (assuming the NAND is already
erased):

nand write.raw.noverify 0x4300 0 40
nand write.raw.noverify 0x4300 0x40 40

nand write 0x4a00 0x80 0xc

I also encountered some weird bug in the private libgcc that prevents
U-Boot from loading. Disabling CONFIG_USE_PRIVATE_LIBGCC fixes that.


What was the problem?


It has been reported here:
http://lists.denx.de/pipermail/u-boot/2016-August/264513.html


Hmm.. could not find, what was the real problem ...


Let me know what you think,
Maxime

Boris Brezillon (1):
mtd: nand: add support for the TC58NVG2S0H chip

Hans de Goede (1):
sunxi: Enable UBI and NAND support

Maxime Ripard (5):
sunxi: Sync GR8 DTS and AXP209 with the kernel
tools: sunxi: Add spl image builder
nand: sunxi: Add options for the SPL NAND configuration
scripts: sunxi: Build an raw SPL image
sunxi: Add support for the CHIP Pro

   Makefile  |3 +-
   arch/arm/dts/Makefile |1 +-
   arch/arm/dts/axp209.dtsi  |6 +-
   arch/arm/dts/ntc-gr8-chip-pro.dts |  266 +++-
   arch/arm/dts/ntc-gr8.dtsi | 1132 ++-
   configs/CHIP_pro_defconfig|   27 +-
   drivers/mtd/nand/Kconfig  |   16 +-
   drivers/mtd/nand/nand_ids.c   |3 +-
   include/configs/sunxi-common.h|   26 +-
   scripts/Makefile.spl  |   12 +-
   tools/.gitignore  |1 +-
   tools/Makefile|1 +-
   tools/sunxi-spl-image-builder.c   | 1113 +-
   13 files changed, 2603 insertions(+), 4 deletions(-)
   create mode 100644 arch/arm/dts/ntc-gr8-chip-pro.dts
   create mode 100644 arch/arm/dts/ntc-gr8.dtsi
   create mode 100644 configs/CHIP_pro_defconfig
   create mode 100644 tools/sunxi-spl-image-builder.c

base-commit: d8bdfc80da39211d95f10d24e79f2e867305f71b


Can you please add a README file, where the above things are explained?


Sure, where do you want me to put it? in doc/README.* or somewhere
else?


Yes, may doc/README.sunxi ?

Thanks!

bye,
Heiko
--
DENX Software Engineering GmbH,  Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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Re: [U-Boot] [PATCH 0/7] sunxi: Add support for the CHIP Pro

2016-11-09 Thread Maxime Ripard
Hi Heiko,

On Wed, Nov 09, 2016 at 08:47:12AM +0100, Heiko Schocher wrote:
> Am 08.11.2016 um 17:21 schrieb Maxime Ripard:
> > The CHIP Pro is a SoM made by NextThing Co, and that embeds a GR8 SIP, an
> > AXP209 PMIC, a WiFi BT chip and a 512MB SLC NAND.
> > 
> > Since the first Allwinner device coming whit an SLC NAND that doesn't have
> > the shortcomings (and breakages) the MLC NAND has, we can finally enable
> > the NAND support on a board by default.
> > 
> > This is the occasion to introduce a bunch of additions needed imo to be
> > able to come up with a sane NAND support for our users.
> > 
> > The biggest pain point is that the BROM uses a different ECC and randomizer
> > configuration than for the rest of the NAND. In order to lessen the number
> > of bitflips, you also need to pad with random data the SPL image.
> > 
> > Since it's quite tedious to do right (and most users won't be able to
> > figure it out) and since if it is not done right, it will eventually turn
> > into an unusable system (which is bad UX), we think that the best solution
> > is to generate an SPL image that already embeds all this. We'll possible
> > have to do the same thing for the U-Boot image (at least for the random
> > padding) on MLC NANDs.
> > 
> > The only drawback from that is that you need to flash it raw, instead of
> > using the usual nand write, but it's just a different command, nothing
> > major anyway.
> > 
> > In order to flash it, from a device switched in FEL, on your host:
> > sunxi-fel spl spl/sunxi-spl.bin
> > sunxi-fel write 0x4a00 u-boot-dtb.bin
> > sunxi-fel write 0x4300 spl/sunxi-spl-with-ecc.bin
> > sunxi-fel exe 0x4a00
> > 
> > And on the board, once u-boot is running (assuming the NAND is already
> > erased):
> > 
> > nand write.raw.noverify 0x4300 0 40
> > nand write.raw.noverify 0x4300 0x40 40
> > 
> > nand write 0x4a00 0x80 0xc
> > 
> > I also encountered some weird bug in the private libgcc that prevents
> > U-Boot from loading. Disabling CONFIG_USE_PRIVATE_LIBGCC fixes that.
> 
> What was the problem?

It has been reported here:
http://lists.denx.de/pipermail/u-boot/2016-August/264513.html

> > 
> > Let me know what you think,
> > Maxime
> > 
> > Boris Brezillon (1):
> >mtd: nand: add support for the TC58NVG2S0H chip
> > 
> > Hans de Goede (1):
> >sunxi: Enable UBI and NAND support
> > 
> > Maxime Ripard (5):
> >sunxi: Sync GR8 DTS and AXP209 with the kernel
> >tools: sunxi: Add spl image builder
> >nand: sunxi: Add options for the SPL NAND configuration
> >scripts: sunxi: Build an raw SPL image
> >sunxi: Add support for the CHIP Pro
> > 
> >   Makefile  |3 +-
> >   arch/arm/dts/Makefile |1 +-
> >   arch/arm/dts/axp209.dtsi  |6 +-
> >   arch/arm/dts/ntc-gr8-chip-pro.dts |  266 +++-
> >   arch/arm/dts/ntc-gr8.dtsi | 1132 ++-
> >   configs/CHIP_pro_defconfig|   27 +-
> >   drivers/mtd/nand/Kconfig  |   16 +-
> >   drivers/mtd/nand/nand_ids.c   |3 +-
> >   include/configs/sunxi-common.h|   26 +-
> >   scripts/Makefile.spl  |   12 +-
> >   tools/.gitignore  |1 +-
> >   tools/Makefile|1 +-
> >   tools/sunxi-spl-image-builder.c   | 1113 +-
> >   13 files changed, 2603 insertions(+), 4 deletions(-)
> >   create mode 100644 arch/arm/dts/ntc-gr8-chip-pro.dts
> >   create mode 100644 arch/arm/dts/ntc-gr8.dtsi
> >   create mode 100644 configs/CHIP_pro_defconfig
> >   create mode 100644 tools/sunxi-spl-image-builder.c
> > 
> > base-commit: d8bdfc80da39211d95f10d24e79f2e867305f71b
> 
> Can you please add a README file, where the above things are explained?

Sure, where do you want me to put it? in doc/README.* or somewhere
else?

Thanks,
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com


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Re: [U-Boot] [PATCH 0/7] sunxi: Add support for the CHIP Pro

2016-11-08 Thread Heiko Schocher

Hello Maxime,

Am 08.11.2016 um 17:21 schrieb Maxime Ripard:

The CHIP Pro is a SoM made by NextThing Co, and that embeds a GR8 SIP, an
AXP209 PMIC, a WiFi BT chip and a 512MB SLC NAND.

Since the first Allwinner device coming whit an SLC NAND that doesn't have
the shortcomings (and breakages) the MLC NAND has, we can finally enable
the NAND support on a board by default.

This is the occasion to introduce a bunch of additions needed imo to be
able to come up with a sane NAND support for our users.

The biggest pain point is that the BROM uses a different ECC and randomizer
configuration than for the rest of the NAND. In order to lessen the number
of bitflips, you also need to pad with random data the SPL image.

Since it's quite tedious to do right (and most users won't be able to
figure it out) and since if it is not done right, it will eventually turn
into an unusable system (which is bad UX), we think that the best solution
is to generate an SPL image that already embeds all this. We'll possible
have to do the same thing for the U-Boot image (at least for the random
padding) on MLC NANDs.

The only drawback from that is that you need to flash it raw, instead of
using the usual nand write, but it's just a different command, nothing
major anyway.

In order to flash it, from a device switched in FEL, on your host:
sunxi-fel spl spl/sunxi-spl.bin
sunxi-fel write 0x4a00 u-boot-dtb.bin
sunxi-fel write 0x4300 spl/sunxi-spl-with-ecc.bin
sunxi-fel exe 0x4a00

And on the board, once u-boot is running (assuming the NAND is already
erased):

nand write.raw.noverify 0x4300 0 40
nand write.raw.noverify 0x4300 0x40 40

nand write 0x4a00 0x80 0xc

I also encountered some weird bug in the private libgcc that prevents
U-Boot from loading. Disabling CONFIG_USE_PRIVATE_LIBGCC fixes that.


What was the problem?



Let me know what you think,
Maxime

Boris Brezillon (1):
   mtd: nand: add support for the TC58NVG2S0H chip

Hans de Goede (1):
   sunxi: Enable UBI and NAND support

Maxime Ripard (5):
   sunxi: Sync GR8 DTS and AXP209 with the kernel
   tools: sunxi: Add spl image builder
   nand: sunxi: Add options for the SPL NAND configuration
   scripts: sunxi: Build an raw SPL image
   sunxi: Add support for the CHIP Pro

  Makefile  |3 +-
  arch/arm/dts/Makefile |1 +-
  arch/arm/dts/axp209.dtsi  |6 +-
  arch/arm/dts/ntc-gr8-chip-pro.dts |  266 +++-
  arch/arm/dts/ntc-gr8.dtsi | 1132 ++-
  configs/CHIP_pro_defconfig|   27 +-
  drivers/mtd/nand/Kconfig  |   16 +-
  drivers/mtd/nand/nand_ids.c   |3 +-
  include/configs/sunxi-common.h|   26 +-
  scripts/Makefile.spl  |   12 +-
  tools/.gitignore  |1 +-
  tools/Makefile|1 +-
  tools/sunxi-spl-image-builder.c   | 1113 +-
  13 files changed, 2603 insertions(+), 4 deletions(-)
  create mode 100644 arch/arm/dts/ntc-gr8-chip-pro.dts
  create mode 100644 arch/arm/dts/ntc-gr8.dtsi
  create mode 100644 configs/CHIP_pro_defconfig
  create mode 100644 tools/sunxi-spl-image-builder.c

base-commit: d8bdfc80da39211d95f10d24e79f2e867305f71b


Can you please add a README file, where the above things are explained?

Thanks!

bye,
Heiko
--
DENX Software Engineering GmbH,  Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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[U-Boot] [PATCH 0/7] sunxi: Add support for the CHIP Pro

2016-11-08 Thread Maxime Ripard
The CHIP Pro is a SoM made by NextThing Co, and that embeds a GR8 SIP, an
AXP209 PMIC, a WiFi BT chip and a 512MB SLC NAND.

Since the first Allwinner device coming whit an SLC NAND that doesn't have
the shortcomings (and breakages) the MLC NAND has, we can finally enable
the NAND support on a board by default.

This is the occasion to introduce a bunch of additions needed imo to be
able to come up with a sane NAND support for our users.

The biggest pain point is that the BROM uses a different ECC and randomizer
configuration than for the rest of the NAND. In order to lessen the number
of bitflips, you also need to pad with random data the SPL image.

Since it's quite tedious to do right (and most users won't be able to
figure it out) and since if it is not done right, it will eventually turn
into an unusable system (which is bad UX), we think that the best solution
is to generate an SPL image that already embeds all this. We'll possible
have to do the same thing for the U-Boot image (at least for the random
padding) on MLC NANDs.

The only drawback from that is that you need to flash it raw, instead of
using the usual nand write, but it's just a different command, nothing
major anyway.

In order to flash it, from a device switched in FEL, on your host:
sunxi-fel spl spl/sunxi-spl.bin
sunxi-fel write 0x4a00 u-boot-dtb.bin
sunxi-fel write 0x4300 spl/sunxi-spl-with-ecc.bin
sunxi-fel exe 0x4a00

And on the board, once u-boot is running (assuming the NAND is already
erased):

nand write.raw.noverify 0x4300 0 40
nand write.raw.noverify 0x4300 0x40 40

nand write 0x4a00 0x80 0xc

I also encountered some weird bug in the private libgcc that prevents
U-Boot from loading. Disabling CONFIG_USE_PRIVATE_LIBGCC fixes that.

Let me know what you think,
Maxime

Boris Brezillon (1):
  mtd: nand: add support for the TC58NVG2S0H chip

Hans de Goede (1):
  sunxi: Enable UBI and NAND support

Maxime Ripard (5):
  sunxi: Sync GR8 DTS and AXP209 with the kernel
  tools: sunxi: Add spl image builder
  nand: sunxi: Add options for the SPL NAND configuration
  scripts: sunxi: Build an raw SPL image
  sunxi: Add support for the CHIP Pro

 Makefile  |3 +-
 arch/arm/dts/Makefile |1 +-
 arch/arm/dts/axp209.dtsi  |6 +-
 arch/arm/dts/ntc-gr8-chip-pro.dts |  266 +++-
 arch/arm/dts/ntc-gr8.dtsi | 1132 ++-
 configs/CHIP_pro_defconfig|   27 +-
 drivers/mtd/nand/Kconfig  |   16 +-
 drivers/mtd/nand/nand_ids.c   |3 +-
 include/configs/sunxi-common.h|   26 +-
 scripts/Makefile.spl  |   12 +-
 tools/.gitignore  |1 +-
 tools/Makefile|1 +-
 tools/sunxi-spl-image-builder.c   | 1113 +-
 13 files changed, 2603 insertions(+), 4 deletions(-)
 create mode 100644 arch/arm/dts/ntc-gr8-chip-pro.dts
 create mode 100644 arch/arm/dts/ntc-gr8.dtsi
 create mode 100644 configs/CHIP_pro_defconfig
 create mode 100644 tools/sunxi-spl-image-builder.c

base-commit: d8bdfc80da39211d95f10d24e79f2e867305f71b
-- 
git-series 0.8.11
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