[U-Boot] [PATCH v1] ARM: socfpga: stratix10: Enable DMA330 DMA controller

[Marek Vasut]

On 5/3/19 10:18 AM, chee.hong.ang at intel.com wrote:
> From: "Ang, Chee Hong" <chee.hong.ang at intel.com>

Commit message is missing -- why do you need to enable the DMA330 ?

Don't you have a reset driver, like A10 and Gen5 ?

> Signed-off-by: Ang, Chee Hong <chee.hong.ang at intel.com>
> ---
>  arch/arm/mach-socfpga/include/mach/reset_manager_s10.h | 1 +
>  arch/arm/mach-socfpga/spl_s10.c                        | 4 ++++
>  2 files changed, 5 insertions(+)
> 
> diff --git a/arch/arm/mach-socfpga/include/mach/reset_manager_s10.h b/arch/arm/mach-socfpga/include/mach/reset_manager_s10.h
> index e186296..3ac46c3 100644
> --- a/arch/arm/mach-socfpga/include/mach/reset_manager_s10.h
> +++ b/arch/arm/mach-socfpga/include/mach/reset_manager_s10.h
> @@ -95,6 +95,7 @@ struct socfpga_reset_manager {
>  #define RSTMGR_DMA		RSTMGR_DEFINE(1, 16)
>  #define RSTMGR_SPIM0		RSTMGR_DEFINE(1, 17)
>  #define RSTMGR_SPIM1		RSTMGR_DEFINE(1, 18)
> +#define RSTMGR_DMA_OCP		RSTMGR_DEFINE(1, 21)
>  #define RSTMGR_L4WD0		RSTMGR_DEFINE(2, 0)
>  #define RSTMGR_L4WD1		RSTMGR_DEFINE(2, 1)
>  #define RSTMGR_L4WD2		RSTMGR_DEFINE(2, 2)
> diff --git a/arch/arm/mach-socfpga/spl_s10.c b/arch/arm/mach-socfpga/spl_s10.c
> index a141ffe..e063229 100644
> --- a/arch/arm/mach-socfpga/spl_s10.c
> +++ b/arch/arm/mach-socfpga/spl_s10.c
> @@ -158,6 +158,10 @@ void board_init_f(ulong dummy)
>  	writel(SYSMGR_DMA_IRQ_NS | SYSMGR_DMA_MGR_NS, &sysmgr_regs->dma);
>  	writel(SYSMGR_DMAPERIPH_ALL_NS, &sysmgr_regs->dma_periph);
>  
> +	/* enable DMA330 DMA */
> +	socfpga_per_reset(SOCFPGA_RESET(DMA), 0);
> +	socfpga_per_reset(SOCFPGA_RESET(DMA_OCP), 0);
> +
>  	spl_disable_firewall_l4_per();
>  
>  	spl_disable_firewall_l4_sys();
> 


-- 
Best regards,
Marek Vasut