imx8: Add a default reset_cpu() implementation

From: Fabio Estevam <festevam@denx.de>

Add a weak default reset_cpu() implementation just like
it is done on arch/arm/mach-imx/cpu.c.

This allows the removal of the empty reset_cpu() in several
board files.

Signed-off-by: Fabio Estevam <festevam@denx.de>
---
 arch/arm/mach-imx/imx8/cpu.c                          |  4 ++++
 board/advantech/imx8qm_dmsse20_a1/imx8qm_dmsse20_a1.c | 11 -----------
 board/advantech/imx8qm_rom7720_a1/imx8qm_rom7720_a1.c |  8 --------
 board/congatec/cgtqmx8/cgtqmx8.c                      |  7 -------
 board/freescale/imx8qm_mek/imx8qm_mek.c               |  8 --------
 board/freescale/imx8qxp_mek/imx8qxp_mek.c             |  8 --------
 board/toradex/apalis-imx8/apalis-imx8.c               |  8 --------
 board/toradex/colibri-imx8x/colibri-imx8x.c           |  8 --------
 8 files changed, 4 insertions(+), 58 deletions(-)

On Tue, Mar 26, 2024 at 09:19:49AM -0300, Fabio Estevam wrote:
> From: Fabio Estevam <festevam@denx.de>
> 
> Add a weak default reset_cpu() implementation just like
> it is done on arch/arm/mach-imx/cpu.c.
> 
> This allows the removal of the empty reset_cpu() in several
> board files.
> 
> Signed-off-by: Fabio Estevam <festevam@denx.de>

Thanks Fabio!

Tested-by: Hiago De Franco <hiago.franco@toradex.com> # Toradex Colibri iMX8X

> ---
>  arch/arm/mach-imx/imx8/cpu.c                          |  4 ++++
>  board/advantech/imx8qm_dmsse20_a1/imx8qm_dmsse20_a1.c | 11 -----------
>  board/advantech/imx8qm_rom7720_a1/imx8qm_rom7720_a1.c |  8 --------
>  board/congatec/cgtqmx8/cgtqmx8.c                      |  7 -------
>  board/freescale/imx8qm_mek/imx8qm_mek.c               |  8 --------
>  board/freescale/imx8qxp_mek/imx8qxp_mek.c             |  8 --------
>  board/toradex/apalis-imx8/apalis-imx8.c               |  8 --------
>  board/toradex/colibri-imx8x/colibri-imx8x.c           |  8 --------
>  8 files changed, 4 insertions(+), 58 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c
> index 0b91e448a5d..6e643188f40 100644
> --- a/arch/arm/mach-imx/imx8/cpu.c
> +++ b/arch/arm/mach-imx/imx8/cpu.c
> @@ -84,6 +84,10 @@ static char *get_reset_cause(void)
>  	}
>  }
>  
> +__weak void reset_cpu(void)
> +{
> +}
> +
>  int arch_cpu_init(void)
>  {
>  #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_RECOVER_DATA_SECTION)
> diff --git a/board/advantech/imx8qm_dmsse20_a1/imx8qm_dmsse20_a1.c b/board/advantech/imx8qm_dmsse20_a1/imx8qm_dmsse20_a1.c
> index 8b4d73052eb..56b7bdb57c9 100644
> --- a/board/advantech/imx8qm_dmsse20_a1/imx8qm_dmsse20_a1.c
> +++ b/board/advantech/imx8qm_dmsse20_a1/imx8qm_dmsse20_a1.c
> @@ -136,17 +136,6 @@ void detail_board_ddr_info(void)
>  	puts("\nDDR    ");
>  }
>  
> -/*
> - * Board specific reset that is system reset.
> - */
> -void reset_cpu(void)
> -{
> -	puts("SCI reboot request");
> -
> -	while (1)
> -		putc('.');
> -}
> -
>  #ifdef CONFIG_OF_BOARD_SETUP
>  int ft_board_setup(void *blob, struct bd_info *bd)
>  {
> diff --git a/board/advantech/imx8qm_rom7720_a1/imx8qm_rom7720_a1.c b/board/advantech/imx8qm_rom7720_a1/imx8qm_rom7720_a1.c
> index 206ce7d5c13..7f766a688bb 100644
> --- a/board/advantech/imx8qm_rom7720_a1/imx8qm_rom7720_a1.c
> +++ b/board/advantech/imx8qm_rom7720_a1/imx8qm_rom7720_a1.c
> @@ -112,14 +112,6 @@ int board_init(void)
>  	return 0;
>  }
>  
> -/*
> - * Board specific reset that is system reset.
> - */
> -void reset_cpu(void)
> -{
> -	/* TODO */
> -}
> -
>  int board_mmc_get_env_dev(int devno)
>  {
>  	return devno;
> diff --git a/board/congatec/cgtqmx8/cgtqmx8.c b/board/congatec/cgtqmx8/cgtqmx8.c
> index 26189ff66f5..3b01354bb6b 100644
> --- a/board/congatec/cgtqmx8/cgtqmx8.c
> +++ b/board/congatec/cgtqmx8/cgtqmx8.c
> @@ -371,13 +371,6 @@ void detail_board_ddr_info(void)
>  	puts("\nDDR    ");
>  }
>  
> -/*
> - * Board specific reset that is system reset.
> - */
> -void reset_cpu(void)
> -{
> -	/* TODO */
> -}
>  
>  #ifdef CONFIG_OF_BOARD_SETUP
>  int ft_board_setup(void *blob, struct bd_info *bd)
> diff --git a/board/freescale/imx8qm_mek/imx8qm_mek.c b/board/freescale/imx8qm_mek/imx8qm_mek.c
> index d96d1d07bb1..2b209c8886f 100644
> --- a/board/freescale/imx8qm_mek/imx8qm_mek.c
> +++ b/board/freescale/imx8qm_mek/imx8qm_mek.c
> @@ -102,14 +102,6 @@ int board_init(void)
>  	return 0;
>  }
>  
> -/*
> - * Board specific reset that is system reset.
> - */
> -void reset_cpu(void)
> -{
> -	/* TODO */
> -}
> -
>  #ifdef CONFIG_OF_BOARD_SETUP
>  int ft_board_setup(void *blob, struct bd_info *bd)
>  {
> diff --git a/board/freescale/imx8qxp_mek/imx8qxp_mek.c b/board/freescale/imx8qxp_mek/imx8qxp_mek.c
> index 516cefd2f24..833bee55462 100644
> --- a/board/freescale/imx8qxp_mek/imx8qxp_mek.c
> +++ b/board/freescale/imx8qxp_mek/imx8qxp_mek.c
> @@ -126,14 +126,6 @@ int board_init(void)
>  	return 0;
>  }
>  
> -/*
> - * Board specific reset that is system reset.
> - */
> -void reset_cpu(void)
> -{
> -	/* TODO */
> -}
> -
>  #ifdef CONFIG_OF_BOARD_SETUP
>  int ft_board_setup(void *blob, struct bd_info *bd)
>  {
> diff --git a/board/toradex/apalis-imx8/apalis-imx8.c b/board/toradex/apalis-imx8/apalis-imx8.c
> index 49719f2f553..0f993e644d7 100644
> --- a/board/toradex/apalis-imx8/apalis-imx8.c
> +++ b/board/toradex/apalis-imx8/apalis-imx8.c
> @@ -291,14 +291,6 @@ int board_init(void)
>  	return 0;
>  }
>  
> -/*
> - * Board specific reset that is system reset.
> - */
> -void reset_cpu(void)
> -{
> -	/* TODO */
> -}
> -
>  #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
>  int ft_board_setup(void *blob, struct bd_info *bd)
>  {
> diff --git a/board/toradex/colibri-imx8x/colibri-imx8x.c b/board/toradex/colibri-imx8x/colibri-imx8x.c
> index 6fc8076163c..a507d666c07 100644
> --- a/board/toradex/colibri-imx8x/colibri-imx8x.c
> +++ b/board/toradex/colibri-imx8x/colibri-imx8x.c
> @@ -140,14 +140,6 @@ int board_init(void)
>  	return 0;
>  }
>  
> -/*
> - * Board specific reset that is system reset.
> - */
> -void reset_cpu(void)
> -{
> -	/* TODO */
> -}
> -
>  #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
>  int ft_board_setup(void *blob, struct bd_info *bd)
>  {
> -- 
> 2.34.1
>

On Tue, Mar 26, 2024 at 9:19 AM Fabio Estevam <festevam@gmail.com> wrote:
>
> From: Fabio Estevam <festevam@denx.de>
>
> Add a weak default reset_cpu() implementation just like
> it is done on arch/arm/mach-imx/cpu.c.
>
> This allows the removal of the empty reset_cpu() in several
> board files.
>
> Signed-off-by: Fabio Estevam <festevam@denx.de>

Applied to u-boot-imx/next, thanks.