[U-Boot] [PATCH 00/10] basic support for Allwinner A83T SOC.

[Vishnu Patekar]

Hello Hans,
Thanks for the review.

On Sat, Nov 14, 2015 at 12:52 AM, Hans de Goede <hdegoede at redhat.com> wrote:

> Hi,
>
> On 12-11-15 19:09, Vishnu Patekar wrote:
>
>> This patch series adds basic support for Allwinner A83T SOC.
>>
>> Allwinner A83T is octa-core cortex-a7 based SoC.
>> It's clock control unit and prcm, pinmux are different from previous sun8i
>> series.
>> Its processor cores are arragned in two clusters 4 cores each,
>> similar to A80.
>>
>> Only basic clocks are enabled pll1, pll5, pll6.
>> SMP, display, other peripherals support is not yet supported.
>>
>
> Cool stuff, great work! I've a number of comments, I will reply
> to the individual patches with those.
>
> I've tried to get this to run on my own h8_homlet_v2 but
> unfortunately I cannot get it to work. My own board does
> boot into some chinese top-set-box environment when booting
> without a sdcard and connected to a tv. But it does not show
> any output on the uart connector at the bottom right of the
> board (I've tried with 2 different adapters, including the
> one from the Merrii A80 board which has the exact same connector
> on the board).
>
> Not having an uart also means that I cannot get the board into
> FEL mode (I do have a usb A <-> A cable).
>
> I wonder if my board has a broken uart, or if the system
> image uses a different uart by default ?
>

As I observed, Device does not go to FEL mode if no USB A-A cable
connected.

Please connect USB cable and keep pressing 2,on uart with pins PFx and then
power ON. It may help.



> Have you tried booting with u-boot written to sdcard with
> this patch-set ? Does this work, and does the SPL header
> get printend on the bottom right uart connector ?
>
I broke A83T board microsd adapter badly.

I've already ordered Onda 989 Air. Once I receive it, I'll test booting
from microSD.

Wens said it does not work for him.



> Regards,
>
> Hans
>
>
>
>
> This enables booting kernel with initramfs, kernel patch v1 have been sent.
>> I'll send v2 with comments addressed.
>>
>> Vishnu Patekar (10):
>>    sunxi: Add Machine Support for A83T SOC
>>    sunxi: Add support for UART0 in PB pin group on A83T
>>    sunxi: power: axp818: add support for axp818 driver
>>    sunxi: power: enabled support for axp818
>>    sunxi: do not enable smp for A83T
>>    sunxi: clk: add basic clocks for A83T
>>    sunxi: Add support for Allwinner A83T DRAM
>>    sunxi: do not include display for A83T
>>    sunxi: dts: sun8i: Add Allwinner A83T dtsi
>>    sunxi: Add suport for A83T HomletV2 Board by Allwinner
>>
>>   arch/arm/cpu/armv7/sunxi/Makefile                  |   7 +
>>   arch/arm/cpu/armv7/sunxi/board.c                   |   8 +-
>>   arch/arm/cpu/armv7/sunxi/clock_sun8i_a83t.c        | 133 +++++++
>>   arch/arm/cpu/armv7/sunxi/cpu_info.c                |   2 +
>>   arch/arm/cpu/armv7/sunxi/dram_sun8i_a83t.c         | 424
>> +++++++++++++++++++++
>>   arch/arm/cpu/armv7/sunxi/pmic_bus.c                |  15 +
>>   arch/arm/dts/Makefile                              |   2 +
>>   arch/arm/dts/sun8i-a83t-allwinner-h8homlet-v2.dts  |  64 ++++
>>   arch/arm/dts/sun8i-a83t.dtsi                       | 247 ++++++++++++
>>   arch/arm/include/asm/arch-sunxi/clock.h            |   4 +-
>>   arch/arm/include/asm/arch-sunxi/clock_sun8i_a83t.h | 304 +++++++++++++++
>>   arch/arm/include/asm/arch-sunxi/dram.h             |   2 +
>>   arch/arm/include/asm/arch-sunxi/dram_sun8i_a83t.h  | 201 ++++++++++
>>   arch/arm/include/asm/arch-sunxi/gpio.h             |   1 +
>>   board/sunxi/Kconfig                                |  12 +-
>>   board/sunxi/MAINTAINERS                            |   5 +
>>   board/sunxi/board.c                                |   8 +
>>   configs/h8_homlet_v2_defconfig                     |  26 ++
>>   drivers/power/Kconfig                              |  34 +-
>>   drivers/power/Makefile                             |   1 +
>>   drivers/power/axp818.c                             | 132 +++++++
>>   include/axp818.h                                   |  75 ++++
>>   include/axp_pmic.h                                 |   3 +
>>   include/configs/sun8i.h                            |   2 +
>>   include/configs/sunxi-common.h                     |   2 +-
>>   25 files changed, 1698 insertions(+), 16 deletions(-)
>>   create mode 100644 arch/arm/cpu/armv7/sunxi/clock_sun8i_a83t.c
>>   create mode 100644 arch/arm/cpu/armv7/sunxi/dram_sun8i_a83t.c
>>   create mode 100644 arch/arm/dts/sun8i-a83t-allwinner-h8homlet-v2.dts
>>   create mode 100644 arch/arm/dts/sun8i-a83t.dtsi
>>   create mode 100644 arch/arm/include/asm/arch-sunxi/clock_sun8i_a83t.h
>>   create mode 100644 arch/arm/include/asm/arch-sunxi/dram_sun8i_a83t.h
>>   create mode 100644 configs/h8_homlet_v2_defconfig
>>   create mode 100644 drivers/power/axp818.c
>>   create mode 100644 include/axp818.h
>>
>>