[PATCH V3 3/8] board: ti: am62x: evm: Update function calls for splash screen

Devarsh Thakkar devarsht at ti.com
Wed Jun 14 11:49:12 CEST 2023


Hi Nikhil,

On 14/06/23 15:04, Nikhil M Jain wrote:
> Use spl_dcache_enable, in place of setup_dram, arch_reserve_mmu to set
> up pagetable, initialise DRAM and enable Dcache.
> 

I think the patch does more than just above, please mention about those
changes too in commit message for future reference.

> Signed-off-by: Nikhil M Jain <n-jain1 at ti.com>
> ---
> V3:
> - No change.
> 
> V2:
> - Use CONFIG_SPL_VIDEO in place of CONFIG_SPL_VIDEO_TIDSS to reserve
>   video and  call splash at SPL.
> - Check SPL_SPLASH_SCREEN and SPL_BMP before calling splash display.

Above should also go to commit message with reasoning along with other changes
done in the patch.

Regards
Devarsh
> 
>  arch/arm/mach-k3/am625_init.c |  1 +
>  board/ti/am62x/evm.c          | 41 +++++++++++++----------------------
>  2 files changed, 16 insertions(+), 26 deletions(-)
> 
> diff --git a/arch/arm/mach-k3/am625_init.c b/arch/arm/mach-k3/am625_init.c
> index 787fe92295..0e5d44269e 100644
> --- a/arch/arm/mach-k3/am625_init.c
> +++ b/arch/arm/mach-k3/am625_init.c
> @@ -214,6 +214,7 @@ void board_init_f(ulong dummy)
>  	if (ret)
>  		panic("DRAM init failed: %d\n", ret);
>  #endif
> +	spl_enable_dcache();
>  }
>  
>  u32 spl_mmc_boot_mode(struct mmc *mmc, const u32 boot_device)
> diff --git a/board/ti/am62x/evm.c b/board/ti/am62x/evm.c
> index 34830f445f..d3c1786cd9 100644
> --- a/board/ti/am62x/evm.c
> +++ b/board/ti/am62x/evm.c
> @@ -59,42 +59,31 @@ int dram_init_banksize(void)
>  }
>  
>  #if defined(CONFIG_SPL_BUILD)
> -#ifdef CONFIG_SPL_VIDEO_TIDSS
> -static int setup_dram(void)
> -{
> -	dram_init();
> -	dram_init_banksize();
> -	gd->ram_base = CFG_SYS_SDRAM_BASE;
> -	gd->ram_top = gd->ram_base + gd->ram_size;
> -	gd->relocaddr = gd->ram_top;
> -	return 0;
> -}
> -
>  static int video_setup(void)
>  {
> -	ulong addr;
> -	int ret;
> -	addr = gd->relocaddr;
> +	if (CONFIG_IS_ENABLED(VIDEO)) {
> +		ulong addr;
> +		int ret;
> +
> +		addr = gd->relocaddr;
> +		ret = video_reserve(&addr);
> +		if (ret)
> +			return ret;
> +		debug("Reserving %luk for video at: %08lx\n",
> +		      ((unsigned long)gd->relocaddr - addr) >> 10, addr);
> +		gd->relocaddr = addr;
> +	}
>  
> -	ret = video_reserve(&addr);
> -	if (ret)
> -		return ret;
> -	debug("Reserving %luk for video at: %08lx\n",
> -	      ((unsigned long)gd->relocaddr - addr) >> 10, addr);
> -	gd->relocaddr = addr;
>  	return 0;
>  }
>  
> -#endif
>  void spl_board_init(void)
>  {
> -#if defined(CONFIG_SPL_VIDEO_TIDSS)
> -	setup_dram();
> -	arch_reserve_mmu();
>  	video_setup();
>  	enable_caches();
> -	splash_display();
> -#endif
> +	if (IS_ENABLED(CONFIG_SPL_SPLASH_SCREEN) && IS_ENABLED(CONFIG_SPL_BMP))
> +		splash_display();
> +
>  }
>  
>  #if defined(CONFIG_K3_AM64_DDRSS)


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