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

[Ahmad Fatoum]

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?

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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