Messages in this thread Patch in this message | | | Date | Mon, 10 Aug 2020 15:06:05 +0200 | From | Robert Schwebel <> | Subject | Re: [PATCH v11 12/12] dmaengine: imx-sdma: add uart rom script |
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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. > + */
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