[U-Boot] [PATCH] armv8: layerscape: Enable EHCI access for LS1012A

[York Sun]

On 07/02/2018 10:34 PM, Ran Wang wrote:
> Program Central Security Unit (CSU) to grant access
> permission for USB 2.0 controller, otherwiase EHCI funciton will down.
> 
> Signed-off-by: Ran Wang <ran.wang_1 at nxp.com>
> ---
>  arch/arm/cpu/armv8/fsl-layerscape/soc.c              | 8 ++++++++
>  arch/arm/include/asm/arch-fsl-layerscape/ns_access.h | 1 +
>  2 files changed, 9 insertions(+)
> 
> diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> index 6a56269..2c4cf7f 100644
> --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
> @@ -14,6 +14,7 @@
>  #include <asm/io.h>
>  #include <asm/global_data.h>
>  #include <asm/arch-fsl-layerscape/config.h>
> +#include <asm/arch-fsl-layerscape/ns_access.h>
>  #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
>  #include <fsl_csu.h>
>  #endif
> @@ -668,6 +669,13 @@ void fsl_lsch2_early_init_f(void)
>  			 CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
>  	}
>  
> +	/*
> +	 * Program Central Security Unit (CSU) to grant access
> +	 * permission for USB 2.0 controller
> +	 */
> +#if defined(CONFIG_ARCH_LS1012A) && defined(CONFIG_USB_EHCI_FSL)
> +	set_devices_ns_access(CSU_CSLX_USB_2, CSU_ALL_RW);
> +#endif

Is this LS1012A specific?

York