Re: [PATCH v3 00/10] RISC-V: add LiteX SoC support; resurrect nmon

[Ahmad Fatoum <a.fatoum@pengutronix.de>]

On 17.08.21 12:16, Antony Pavlov wrote:
> On Wed, 11 Aug 2021 10:52:53 +0200
> Ahmad Fatoum <a.fatoum@pengutronix.de> wrote:
> 
> Hi Ahmad!
> 
>> Hello Antony,
>>
>> On 25.05.21 09:19, Antony Pavlov wrote:
>>> Changes since v2:
>>>
>>>   * rebase on top of master branch (f873c7ff2497) +
>>>     "RISC-V: extend multi-image to support both S- and M-Mode"
>>>     (http://lists.infradead.org/pipermail/barebox/2021-May/036086.html).
>>>   * "litex serial: add setbrg callback" patch by Marek Czerski is added
>>>     for review;
>>>   * fix "clocksource: timer-riscv: select CSR from device tree" patch;
>>>   * change gpio IP-block base addresses in litex dts;
>>>   * gpio-74xx-mmio uses device_get_match_data() now.
>>>
>>> Changes since v1:
>>>
>>>   * rebased on top of next branch;
>>>   * new patches are introduced:
>>>     * clocksource: timer-riscv: select CSR from device tree
>>>     * RISC-V: make RISCV_SBI and RISCV_M_MODE explicitly mutually exclusive
>>>     * RISC-V: make it possible to build RV32I multi-image with DEBUG_LL=n
>>>   * almost all of Ahmad's notes are fixed (e.g. unused header files inclusions are dropped);
>>>   * NOT FIXED: gpio-74xx-mmio still uses dev_get_drvdata(), not device_get_match_data()
>>>
>>> Antony Pavlov (9):
>>>   clocksource: timer-riscv: select CSR from device tree
>>>   RISC-V: make it possible to run nmon from PBL C code
>>>   RISC-V: boards: erizo: make it possible to use nmon
>>>   serial: add litex UART driver
>>>   gpio: add driver for 74xx-ICs with MMIO access
>>>   spi: add litex spiflash driver
>>>   net: add LiteEth driver
>>>   RISC-V: add LiteX SoC and linux-on-litex-vexriscv support
>>>   RISC-V: add litex_linux_defconfig
>>>
>>> Marek Czerski (1):
>>>   litex serial: add setbrg callback
>>
>> I'd like to give this a try eventually while following:
>> https://github.com/enjoy-digital/litex/wiki/Use-LiteX-on-the-Acorn-CLE-215
>>
>> Do you intend to submit a new revision soon? Is it ok for you if I respin
>> this series?
> 
> Sorry for delay with reply, I was on vacation.

No worries. :)

> 
> I have just resend litex patchseries v4.
> I have tested it with linux binaries from this repo:
> 
>    https://github.com/frantony/arty-linux-on-litex-vexriscv-prebuilt
> 
> What do you want to respin in the litex patchseries?

Just rebase, address feedback and give it a try.

Thanks for the respin. Building and loading linux-on-litex-vexriscv onto
my FPGA worked, so I'll give your series a try as well later.

(What doesn't yet work is use as PCIe endpoint[1]. Still monkey debugging that)

[1]: https://github.com/enjoy-digital/litepcie/issues/54

Cheers,
Ahmad

> 


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