[PATCH 1/3] mach-ipq40xx: add CPU specific code

[Caleb Connolly]

On 24/04/2024 13:13, Robert Marko wrote:
> Provide basic DRAM info population from DT, cache setting and the
> board_init stub.
> 
> Signed-off-by: Robert Marko <robert.marko at sartura.hr>
Acked-by: Caleb Connolly <caleb.connolly at linaro.org>
> ---
>   arch/arm/mach-ipq40xx/Makefile |  7 ++++++
>   arch/arm/mach-ipq40xx/cpu.c    | 44 ++++++++++++++++++++++++++++++++++
>   2 files changed, 51 insertions(+)
>   create mode 100644 arch/arm/mach-ipq40xx/Makefile
>   create mode 100644 arch/arm/mach-ipq40xx/cpu.c
> 
> diff --git a/arch/arm/mach-ipq40xx/Makefile b/arch/arm/mach-ipq40xx/Makefile
> new file mode 100644
> index 0000000000..d611de9933
> --- /dev/null
> +++ b/arch/arm/mach-ipq40xx/Makefile
> @@ -0,0 +1,7 @@
> +# SPDX-License-Identifier: GPL-2.0+
> +#
> +# Copyright (c) 2024 Sartura Ltd.
> +#
> +# Author: Robert Marko <robert.marko at sartura.hr>
> +
> +obj-y += cpu.o
> diff --git a/arch/arm/mach-ipq40xx/cpu.c b/arch/arm/mach-ipq40xx/cpu.c
> new file mode 100644
> index 0000000000..0446627a8f
> --- /dev/null
> +++ b/arch/arm/mach-ipq40xx/cpu.c
> @@ -0,0 +1,44 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * CPU code for Qualcomm IPQ40xx SoC
> + *
> + * Copyright (c) 2024 Sartura Ltd.
> + *
> + * Author: Robert Marko <robert.marko at sartura.hr>
> + */
> +
> +#include <common.h>
> +#include <cpu_func.h>
> +#include <init.h>
> +
> +int dram_init(void)
> +{
> +	int ret;
> +
> +	ret = fdtdec_setup_memory_banksize();
> +	if (ret)
> +		return ret;
> +	return fdtdec_setup_mem_size_base();
> +}
> +
> +/*
> + * Enable/Disable D-cache.
> + * I-cache is already enabled in start.S
> + */
> +void enable_caches(void)
> +{
> +	dcache_enable();
> +}
> +
> +void disable_caches(void)
> +{
> +	dcache_disable();
> +}
> +
> +/*
> + * In case boards need specific init code, they can override this stub.
> + */
> +int __weak board_init(void)
> +{
> +	return 0;
> +}

-- 
// Caleb (they/them)