[PATCH v3 1/1] arm64: zynqmp: Enable usb3 for k24 som

[Michal Simek]

On 6/4/24 10:38, Neal Frager wrote:
> This patch corrects the mio and pll configuration registers for using usb3
> on the kd240 starter kit.  Without this patch, the usb3 to sd card bridge does
> not initialize correctly and u-boot is unable to find the OS located on the
> kd240 starter kit sd card.
> 
> In addition, this patch correctly configures mio76 and mio77 as gpio pins
> which are used as reset gpio pins on the kd240 starter kit.
> 
> Signed-off-by: Neal Frager <neal.frager at amd.com>
> ---
> V1->V2:
>   - rebased patch to latest u-boot master branch
>   - improved git commit message
> V2->V3:
>   - removed unnecessary serdes initialization from patch
> ---
>   .../zynqmp/zynqmp-sm-k24-revA/psu_init_gpl.c  | 23 ++++++++-----------
>   1 file changed, 10 insertions(+), 13 deletions(-)
> 
> diff --git a/board/xilinx/zynqmp/zynqmp-sm-k24-revA/psu_init_gpl.c b/board/xilinx/zynqmp/zynqmp-sm-k24-revA/psu_init_gpl.c
> index 166e61431b..274203ffaa 100644
> --- a/board/xilinx/zynqmp/zynqmp-sm-k24-revA/psu_init_gpl.c
> +++ b/board/xilinx/zynqmp/zynqmp-sm-k24-revA/psu_init_gpl.c
> @@ -528,8 +528,8 @@ static unsigned long psu_mio_init_data(void)
>   	psu_mask_write(0xFF180124, 0x000000FEU, 0x00000002U);
>   	psu_mask_write(0xFF180128, 0x000000FEU, 0x00000002U);
>   	psu_mask_write(0xFF18012C, 0x000000FEU, 0x00000002U);
> -	psu_mask_write(0xFF180130, 0x000000FEU, 0x000000C0U);
> -	psu_mask_write(0xFF180134, 0x000000FEU, 0x000000C0U);
> +	psu_mask_write(0xFF180130, 0x000000FEU, 0x00000000U);
> +	psu_mask_write(0xFF180134, 0x000000FEU, 0x00000000U);
>   	psu_mask_write(0xFF180204, 0xFFFFFFFFU, 0x50000000U);
>   	psu_mask_write(0xFF180208, 0xFFFFFFFFU, 0x00B02020U);
>   	psu_mask_write(0xFF18020C, 0x00003FFFU, 0x00000FC0U);
> @@ -569,21 +569,16 @@ static unsigned long psu_peripherals_init_data(void)
>   	psu_mask_write(0xFD1A0100, 0x0001807CU, 0x00000000U);
>   	psu_mask_write(0xFF5E0238, 0x001A0000U, 0x00000000U);
>   	psu_mask_write(0xFF5E023C, 0x0093C018U, 0x00000000U);
> -	psu_mask_write(0xFF5E0230, 0x00000008U, 0x00000000U);
> +	psu_mask_write(0xFF5E0230, 0x00000002U, 0x00000000U);
>   	psu_mask_write(0xFF5E0238, 0x00000001U, 0x00000000U);
>   	psu_mask_write(0xFF180390, 0x00000004U, 0x00000004U);
>   	psu_mask_write(0xFF5E023C, 0x00000400U, 0x00000000U);
> -	psu_mask_write(0xFF5E0238, 0x00000040U, 0x00000000U);
> -	psu_mask_write(0xFF180310, 0x00008000U, 0x00000000U);
> -	psu_mask_write(0xFF180320, 0x33840000U, 0x02840000U);
> -	psu_mask_write(0xFF18031C, 0x7FFE0000U, 0x64500000U);
> -	psu_mask_write(0xFF180358, 0x00000008U, 0x00000008U);
> -	psu_mask_write(0xFF180324, 0x03C00000U, 0x00000000U);
> +	psu_mask_write(0xFF5E0238, 0x00000080U, 0x00000000U);
>   	psu_mask_write(0xFF5E0238, 0x00000400U, 0x00000000U);
>   	psu_mask_write(0xFF5E0238, 0x00008000U, 0x00000000U);
>   	psu_mask_write(0xFF5E0238, 0x00000010U, 0x00000000U);
>   	psu_mask_write(0xFF5E0238, 0x00007800U, 0x00000000U);
> -	psu_mask_write(0xFF5E0238, 0x00000004U, 0x00000000U);
> +	psu_mask_write(0xFF5E0238, 0x00000006U, 0x00000000U);
>   	psu_mask_write(0xFF5E0238, 0x00040000U, 0x00000000U);
>   	psu_mask_write(0xFF4B0024, 0x000000FFU, 0x000000FFU);
>   	psu_mask_write(0xFFCA5000, 0x00001FFFU, 0x00000000U);
> @@ -591,13 +586,15 @@ static unsigned long psu_peripherals_init_data(void)
>   	psu_mask_write(0xFFA60040, 0x80000000U, 0x80000000U);
>   	psu_mask_write(0xFF260020, 0xFFFFFFFFU, 0x05F5DD18U);
>   	psu_mask_write(0xFF260000, 0x00000001U, 0x00000001U);
> -	psu_mask_write(0xFF5E0250, 0x00000F0FU, 0x00000202U);
> +	psu_mask_write(0xFF0A0284, 0x03FFFFFFU, 0x01000000U);
> +	psu_mask_write(0xFF0A0288, 0x03FFFFFFU, 0x01000000U);
> +	psu_mask_write(0xFF0A0014, 0x03FF03FFU, 0x02FF0100U);
>   
>   	mask_delay(1);
> -	psu_mask_write(0xFF5E0250, 0x00000F0FU, 0x00000002U);
> +	psu_mask_write(0xFF0A0014, 0x03FF03FFU, 0x02FF0000U);
>   
>   	mask_delay(5);
> -	psu_mask_write(0xFF5E0250, 0x00000F0FU, 0x00000202U);
> +	psu_mask_write(0xFF0A0014, 0x03FF03FFU, 0x02FF0100U);
>   
>   	return 1;
>   }

Applied.
M