[PATCH 1/3] serial: Add RISC-V HTIF console driver

[Rick Chen]

> From: Anup Patel <apatel at ventanamicro.com>
> Sent: Saturday, January 15, 2022 12:20 AM
> To: Rick Jian-Zhi Chen(陳建志) <rick at andestech.com>; Bin Meng <bmeng.cn at gmail.com>
> Cc: Atish Patra <atishp at atishpatra.org>; Alistair Francis <Alistair.Francis at wdc.com>; Anup Patel <anup at brainfault.org>; U-Boot Mailing List <u-boot at lists.denx.de>; Anup Patel <apatel at ventanamicro.com>; Philipp Tomsich <philipp.tomsich at vrull.eu>
> Subject: [PATCH 1/3] serial: Add RISC-V HTIF console driver
>
> Quite a few RISC-V emulators and ISS (including Spike) have host transfer interface (HTIF) based console. This patch adds HTIF based console driver for RISC-V platforms which depends totally on DT node for HTIF register base address.
>
> Signed-off-by: Anup Patel <apatel at ventanamicro.com>
> Reviewed-by: Philipp Tomsich <philipp.tomsich at vrull.eu>
> ---
>  drivers/serial/Kconfig       |   8 ++
>  drivers/serial/Makefile      |   1 +
>  drivers/serial/serial_htif.c | 178 +++++++++++++++++++++++++++++++++++
>  3 files changed, 187 insertions(+)

Reviewed-by: Rick Chen <rick at andestech.com>