[RFC PATCH v2 03/14] ARM: sunxi: add Allwinner ARMv5 SoCs

Maxime Ripard
2018-11-20T08:42:45Z

On Sun, Nov 18, 2018 at 05:17:02PM +0300, Mesih Kilinc wrote:
> Add option for Allwinner ARMv5 SoCs and SoC F1C100s (which has a die
> used for many new F-series products, including F1C100A, F1C100s, F1C200s,
> F1C500, F1C600).
>
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> Signed-off-by: Mesih Kilinc <mesihkilinc@gmail.com>
> ---
> arch/arm/mach-sunxi/Kconfig | 14 +++++++++++++-
> arch/arm/mach-sunxi/Makefile | 1 +
> arch/arm/mach-sunxi/sunxi_v5.c | 22 ++++++++++++++++++++++
> 3 files changed, 36 insertions(+), 1 deletion(-)
> create mode 100644 arch/arm/mach-sunxi/sunxi_v5.c
>
> diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
> index 5db17ec..066644c 100644
> --- a/arch/arm/mach-sunxi/Kconfig
> +++ b/arch/arm/mach-sunxi/Kconfig
> @@ -1,6 +1,6 @@
> menuconfig ARCH_SUNXI
> bool "Allwinner SoCs"
> - depends on ARCH_MULTI_V7
> + depends on ARCH_MULTI_V5 || ARCH_MULTI_V7
> select ARCH_HAS_RESET_CONTROLLER
> select CLKSRC_MMIO
> select GENERIC_IRQ_CHIP
> @@ -64,4 +64,16 @@ config ARCH_SUNXI_MC_SMP
>
> endif
>
> +if ARCH_MULTI_V5
> +
> +config ARCH_SUNXI_V5
> + bool
> + select SUN4I_TIMER

If SUN4I_TIMER is needed both by the armv5 and armv7 cores, why did we
need to move it out of ARCH_SUNXI?

> +config MACH_SUNIV
> + bool "Allwinner new F-series (suniv) SoCs support"

I would drop the "new" here.

> +++ b/arch/arm/mach-sunxi/sunxi_v5.c
> @@ -0,0 +1,22 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device Tree support for Allwinner F series SoCs
> + *
> + * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
> + * Copyright (C) 2018 Mesih Kilinc <mesihkilinc@gmail.com>
> + *
> + * This file is licensed under the terms of the GNU General Public
> + * License version 2. This program is licensed "as is" without any
> + * warranty of any kind, whether express or implied.
> + */
> +
> +#include <asm/mach/arch.h>
> +
> +static const char * const suniv_board_dt_compat[] = {
> + "allwinner,suniv-f1c100s",
> + NULL,
> +};
> +
> +DT_MACHINE_START(SUNXI_DT, "Allwinner suniv Family")
> + .dt_compat = suniv_board_dt_compat,
> +MACHINE_END

Do we really need a separate file for that?

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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