| Message ID | 1618971622-30539-6-git-send-email-peng.fan@oss.nxp.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | remoteproc: imx_rproc: support i.MX7ULP/8MN/8MP | expand |
On Wed, Apr 21, 2021 at 10:20:19AM +0800, peng.fan@oss.nxp.com wrote: > From: Peng Fan <peng.fan@nxp.com> > > Add three methods IMX_RPROC_NONE(no need start/stop), IMX_RPROC_MMIO > (start/stop through mmio) and IMX_RPROC_SMC(start/stop through ARM SMCCC). > > The current SoCs supported are all using IMX_RPROC_MMIO. > > Signed-off-by: Peng Fan <peng.fan@nxp.com> > --- > drivers/remoteproc/imx_rproc.c | 13 +++++++++++++ > 1 file changed, 13 insertions(+) Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> > > diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c > index 06dac92e98e6..6289aeae95b6 100644 > --- a/drivers/remoteproc/imx_rproc.c > +++ b/drivers/remoteproc/imx_rproc.c > @@ -74,6 +74,15 @@ struct imx_rproc_att { > int flags; > }; > > +/* Remote core start/stop method */ > +enum imx_rproc_method { > + IMX_RPROC_NONE, > + /* Through syscon regmap */ > + IMX_RPROC_MMIO, > + /* Through ARM SMCCC */ > + IMX_RPROC_SMC, > +}; > + > struct imx_rproc_dcfg { > u32 src_reg; > u32 src_mask; > @@ -81,6 +90,7 @@ struct imx_rproc_dcfg { > u32 src_stop; > const struct imx_rproc_att *att; > size_t att_size; > + enum imx_rproc_method method; > }; > > struct imx_rproc { > @@ -183,6 +193,7 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mq = { > .src_stop = IMX7D_M4_STOP, > .att = imx_rproc_att_imx8mq, > .att_size = ARRAY_SIZE(imx_rproc_att_imx8mq), > + .method = IMX_RPROC_MMIO, > }; > > static const struct imx_rproc_dcfg imx_rproc_cfg_imx7d = { > @@ -192,6 +203,7 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx7d = { > .src_stop = IMX7D_M4_STOP, > .att = imx_rproc_att_imx7d, > .att_size = ARRAY_SIZE(imx_rproc_att_imx7d), > + .method = IMX_RPROC_MMIO, > }; > > static const struct imx_rproc_dcfg imx_rproc_cfg_imx6sx = { > @@ -201,6 +213,7 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx6sx = { > .src_stop = IMX6SX_M4_STOP, > .att = imx_rproc_att_imx6sx, > .att_size = ARRAY_SIZE(imx_rproc_att_imx6sx), > + .method = IMX_RPROC_MMIO, > }; > > static int imx_rproc_start(struct rproc *rproc) > -- > 2.30.0 >
diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 06dac92e98e6..6289aeae95b6 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -74,6 +74,15 @@ struct imx_rproc_att { int flags; }; +/* Remote core start/stop method */ +enum imx_rproc_method { + IMX_RPROC_NONE, + /* Through syscon regmap */ + IMX_RPROC_MMIO, + /* Through ARM SMCCC */ + IMX_RPROC_SMC, +}; + struct imx_rproc_dcfg { u32 src_reg; u32 src_mask; @@ -81,6 +90,7 @@ struct imx_rproc_dcfg { u32 src_stop; const struct imx_rproc_att *att; size_t att_size; + enum imx_rproc_method method; }; struct imx_rproc { @@ -183,6 +193,7 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mq = { .src_stop = IMX7D_M4_STOP, .att = imx_rproc_att_imx8mq, .att_size = ARRAY_SIZE(imx_rproc_att_imx8mq), + .method = IMX_RPROC_MMIO, }; static const struct imx_rproc_dcfg imx_rproc_cfg_imx7d = { @@ -192,6 +203,7 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx7d = { .src_stop = IMX7D_M4_STOP, .att = imx_rproc_att_imx7d, .att_size = ARRAY_SIZE(imx_rproc_att_imx7d), + .method = IMX_RPROC_MMIO, }; static const struct imx_rproc_dcfg imx_rproc_cfg_imx6sx = { @@ -201,6 +213,7 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx6sx = { .src_stop = IMX6SX_M4_STOP, .att = imx_rproc_att_imx6sx, .att_size = ARRAY_SIZE(imx_rproc_att_imx6sx), + .method = IMX_RPROC_MMIO, }; static int imx_rproc_start(struct rproc *rproc)