Am Mittwoch, dem 07.04.2021 um 23:30 +0800 schrieb Robin Gong: > For the compatibility of NXP internal legacy kernel before 4.19 which > is based on uart ram script and upstreaming kernel based on uart rom > script, add both uart ram/rom script in latest sdma firmware. By default > uart rom script used. > Besides, add two multi-fifo scripts for SAI/PDM on i.mx8m/8mm and add > back qspi script miss for v4(i.mx7d/8m/8mm family, but v3 is for i.mx6). > > rom script: > uart_2_mcu_addr > uartsh_2_mcu_addr /* through spba bus */ > am script: > uart_2_mcu_ram_addr > uartsh_2_mcu_ram_addr /* through spba bus */ > > Please get latest sdma firmware from the below and put them into the path > (/lib/firmware/imx/sdma/): > https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git > /tree/imx/sdma > > Signed-off-by: Robin Gong <yibin.gong@xxxxxxx> > Acked-by: Vinod Koul <vkoul@xxxxxxxxxx> Reviewed-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > --- > drivers/dma/imx-sdma.c | 17 +++++++++++++++-- > include/linux/platform_data/dma-imx-sdma.h | 8 ++++++-- > 2 files changed, 21 insertions(+), 4 deletions(-) > > diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c > index af85116..9519b41 100644 > --- a/drivers/dma/imx-sdma.c > +++ b/drivers/dma/imx-sdma.c > @@ -1696,8 +1696,8 @@ static void sdma_issue_pending(struct dma_chan *chan) > > #define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1 34 > #define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V2 38 > -#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3 41 > -#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V4 42 > +#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3 45 > +#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V4 46 > > static void sdma_add_scripts(struct sdma_engine *sdma, > const struct sdma_script_start_addrs *addr) > @@ -1721,6 +1721,19 @@ 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 freescale/nxp sdma firmware, and they > + * are located in the bottom part of sdma_script_start_addrs which are > + * beyond the SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1. > + */ > + if (addr->uart_2_mcu_addr) > + sdma->script_addrs->uart_2_mcu_addr = addr->uart_2_mcu_addr; > + if (addr->uartsh_2_mcu_addr) > + sdma->script_addrs->uartsh_2_mcu_addr = addr->uartsh_2_mcu_addr; > + > } > > static void sdma_load_firmware(const struct firmware *fw, void *context) > diff --git a/include/linux/platform_data/dma-imx-sdma.h b/include/linux/platform_data/dma-imx-sdma.h > index 725602d..91dac29 100644 > --- a/include/linux/platform_data/dma-imx-sdma.h > +++ b/include/linux/platform_data/dma-imx-sdma.h > @@ -20,12 +20,12 @@ struct sdma_script_start_addrs { > s32 per_2_firi_addr; > s32 mcu_2_firi_addr; > s32 uart_2_per_addr; > - s32 uart_2_mcu_addr; > + s32 uart_2_mcu_ram_addr; > s32 per_2_app_addr; > s32 mcu_2_app_addr; > s32 per_2_per_addr; > s32 uartsh_2_per_addr; > - s32 uartsh_2_mcu_addr; > + s32 uartsh_2_mcu_ram_addr; > s32 per_2_shp_addr; > s32 mcu_2_shp_addr; > s32 ata_2_mcu_addr; > @@ -52,6 +52,10 @@ struct sdma_script_start_addrs { > s32 zcanfd_2_mcu_addr; > s32 zqspi_2_mcu_addr; > s32 mcu_2_ecspi_addr; > + s32 mcu_2_sai_addr; > + s32 sai_2_mcu_addr; > + s32 uart_2_mcu_addr; > + s32 uartsh_2_mcu_addr; > /* End of v3 array */ > s32 mcu_2_zqspi_addr; > /* End of v4 array */
