Re: [PATCH] remoteproc: imx_rproc: correct i.MX93 DRAM mapping

From: Mathieu Poirier
Date: Wed Nov 02 2022 - 13:40:56 EST


On Wed, 2 Nov 2022 at 05:12, Peng Fan (OSS) <peng.fan@xxxxxxxxxxx> wrote:
>
> From: Peng Fan <peng.fan@xxxxxxx>
>
> According to updated reference mannual, the M33 DRAM view of
> 0x[C,D]0000000 maps to A55 0xC0000000, so correct it.
>
> Fixes: 9222fabf0e39 ("remoteproc: imx_rproc: Support i.MX93")
> Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
> ---
> drivers/remoteproc/imx_rproc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
> index 2c471e46f4ca..9fc978e0393c 100644
> --- a/drivers/remoteproc/imx_rproc.c
> +++ b/drivers/remoteproc/imx_rproc.c
> @@ -134,8 +134,8 @@ static const struct imx_rproc_att imx_rproc_att_imx93[] = {
> { 0x80000000, 0x80000000, 0x10000000, 0 },
> { 0x90000000, 0x80000000, 0x10000000, 0 },
>
> - { 0xC0000000, 0xa0000000, 0x10000000, 0 },
> - { 0xD0000000, 0xa0000000, 0x10000000, 0 },
> + { 0xC0000000, 0xC0000000, 0x10000000, 0 },
> + { 0xD0000000, 0xC0000000, 0x10000000, 0 },

But how did this work before? Were some SoC released with the old mapping?

> };
>
> static const struct imx_rproc_att imx_rproc_att_imx8qm[] = {
> --
> 2.37.1
>