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

[Antony Pavlov <antonynpavlov@gmail.com>]

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.

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?

-- 
Best regards,
  Antony Pavlov
 
> Cheers,
> Ahmad
> 
> >  arch/riscv/Kconfig.socs                  |  14 +
> >  arch/riscv/boards/Makefile               |   1 +
> >  arch/riscv/boards/erizo/lowlevel.c       |   4 +
> >  arch/riscv/boards/litex-linux/Makefile   |   3 +
> >  arch/riscv/boards/litex-linux/lowlevel.c |  22 ++
> >  arch/riscv/boot/Makefile                 |   1 +
> >  arch/riscv/boot/nmon_entry.S             |  13 +
> >  arch/riscv/configs/litex_linux_defconfig |  76 +++++
> >  arch/riscv/dts/Makefile                  |   1 +
> >  arch/riscv/dts/erizo.dtsi                |   2 +
> >  arch/riscv/dts/litex-linux.dts           |  92 ++++++
> >  arch/riscv/dts/litex_soc_linux.dtsi      |  49 +++
> >  arch/riscv/include/asm/debug_ll.h        |   3 +
> >  arch/riscv/include/asm/debug_ll_litex.h  | 123 ++++++++
> >  arch/riscv/include/asm/riscv_nmon.h      |  49 ++-
> >  common/Kconfig                           |   4 +
> >  drivers/clocksource/timer-riscv.c        |  24 +-
> >  drivers/gpio/Kconfig                     |  14 +
> >  drivers/gpio/Makefile                    |   1 +
> >  drivers/gpio/gpio-74xx-mmio.c            | 165 ++++++++++
> >  drivers/net/Kconfig                      |   8 +
> >  drivers/net/Makefile                     |   1 +
> >  drivers/net/liteeth.c                    | 376 +++++++++++++++++++++++
> >  drivers/serial/Makefile                  |   1 +
> >  drivers/serial/serial_litex.c            | 103 +++++++
> >  drivers/spi/Kconfig                      |   3 +
> >  drivers/spi/Makefile                     |   1 +
> >  drivers/spi/litex_spiflash.c             | 241 +++++++++++++++
> >  images/Makefile.riscv                    |   4 +
> >  29 files changed, 1370 insertions(+), 29 deletions(-)
> >  create mode 100644 arch/riscv/boards/litex-linux/Makefile
> >  create mode 100644 arch/riscv/boards/litex-linux/lowlevel.c
> >  create mode 100644 arch/riscv/boot/nmon_entry.S
> >  create mode 100644 arch/riscv/configs/litex_linux_defconfig
> >  create mode 100644 arch/riscv/dts/litex-linux.dts
> >  create mode 100644 arch/riscv/dts/litex_soc_linux.dtsi
> >  create mode 100644 arch/riscv/include/asm/debug_ll_litex.h
> >  create mode 100644 drivers/gpio/gpio-74xx-mmio.c
> >  create mode 100644 drivers/net/liteeth.c
> >  create mode 100644 drivers/serial/serial_litex.c
> >  create mode 100644 drivers/spi/litex_spiflash.c
> > 
> 
> 
> -- 
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