Re: [PATCH v11 12/12] dmaengine: imx-sdma: add uart rom script

[Robert Schwebel]

On Mon, Aug 10, 2020 at 10:57:42AM +0000, Robin Gong wrote:
> diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
> index 5900e32..4db55b9 100644
> --- a/drivers/dma/imx-sdma.c
> +++ b/drivers/dma/imx-sdma.c
> @@ -1754,6 +1754,19 @@ static void sdma_add_scripts(struct sdma_engine *sdma,
>         for (i = 0; i < sdma->script_number; i++)
>                 if (addr_arr[i] > 0)
>                         saddr_arr[i] = addr_arr[i];
> +
> +       /*
> +        * get uart_2_mcu_addr/uartsh_2_mcu_addr rom script specially because
> +        * they are now replaced by uart_2_mcu_ram_addr/uartsh_2_mcu_ram_addr
> +        * to be compatible with legacy freescal/nxp sdma firmware, and they

freescale

> +        * are located in the bottom part of sdma_script_start_addrs which are
> +        * beyond the SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1.
> +        */

rsc
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