From: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> To: ssantosh@kernel.org, s-anna@ti.com Cc: grzegorz.jaszczyk@linaro.org, santosh.shilimkar@oracle.com, lee.jones@linaro.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, praneeth@ti.com, tony@atomide.com, linux-remoteproc@vger.kernel.org, mathieu.poirier@linaro.org Subject: [PATCH 4/6] soc: ti: pruss: Add helper functions to set GPI mode, MII_RT_event and XFR Date: Fri, 11 Dec 2020 19:48:09 +0100 [thread overview] Message-ID: <20201211184811.6490-5-grzegorz.jaszczyk@linaro.org> (raw) In-Reply-To: <20201211184811.6490-1-grzegorz.jaszczyk@linaro.org> From: Suman Anna <s-anna@ti.com> The PRUSS CFG module is represented as a syscon node and is currently managed by the PRUSS platform driver. Add easy accessor functions to set GPI mode, MII_RT event enable/disable and XFR (XIN XOUT) enable/disable to enable the PRUSS Ethernet usecase. These functions reuse the generic pruss_cfg_update() API function. Signed-off-by: Suman Anna <s-anna@ti.com> Co-developed-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> --- include/linux/pruss.h | 55 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/include/linux/pruss.h b/include/linux/pruss.h index 9cef536c6cb5..c8d73cc6baa9 100644 --- a/include/linux/pruss.h +++ b/include/linux/pruss.h @@ -235,4 +235,59 @@ static inline bool is_pru_rproc(struct device *dev) return true; } +/** + * pruss_cfg_gpimode() - set the GPI mode of the PRU + * @pruss: the pruss instance handle + * @pru_id: id of the PRU core within the PRUSS + * @mode: GPI mode to set + * + * Sets the GPI mode for a given PRU by programming the + * corresponding PRUSS_CFG_GPCFGx register + * + * Return: 0 on success, or an error code otherwise + */ +static inline int pruss_cfg_gpimode(struct pruss *pruss, + enum pruss_pru_id pru_id, + enum pruss_gpi_mode mode) +{ + if (pru_id < 0 || pru_id >= PRUSS_NUM_PRUS) + return -EINVAL; + + return pruss_cfg_update(pruss, PRUSS_CFG_GPCFG(pru_id), + PRUSS_GPCFG_PRU_GPI_MODE_MASK, + mode << PRUSS_GPCFG_PRU_GPI_MODE_SHIFT); +} + +/** + * pruss_cfg_miirt_enable() - Enable/disable MII RT Events + * @pruss: the pruss instance + * @enable: enable/disable + * + * Enable/disable the MII RT Events for the PRUSS. + * + * Return: 0 on success, or an error code otherwise + */ +static inline int pruss_cfg_miirt_enable(struct pruss *pruss, bool enable) +{ + u32 set = enable ? PRUSS_MII_RT_EVENT_EN : 0; + + return pruss_cfg_update(pruss, PRUSS_CFG_MII_RT, + PRUSS_MII_RT_EVENT_EN, set); +} + +/** + * pruss_cfg_xfr_enable() - Enable/disable XIN XOUT shift functionality + * @pruss: the pruss instance + * @enable: enable/disable + * + * Return: 0 on success, or an error code otherwise + */ +static inline int pruss_cfg_xfr_enable(struct pruss *pruss, bool enable) +{ + u32 set = enable ? PRUSS_SPP_XFER_SHIFT_EN : 0; + + return pruss_cfg_update(pruss, PRUSS_CFG_SPP, + PRUSS_SPP_XFER_SHIFT_EN, set); +} + #endif /* __LINUX_PRUSS_H */ -- 2.29.0
WARNING: multiple messages have this Message-ID (diff)
From: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> To: ssantosh@kernel.org, s-anna@ti.com Cc: grzegorz.jaszczyk@linaro.org, mathieu.poirier@linaro.org, praneeth@ti.com, santosh.shilimkar@oracle.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, tony@atomide.com, linux-omap@vger.kernel.org, lee.jones@linaro.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 4/6] soc: ti: pruss: Add helper functions to set GPI mode, MII_RT_event and XFR Date: Fri, 11 Dec 2020 19:48:09 +0100 [thread overview] Message-ID: <20201211184811.6490-5-grzegorz.jaszczyk@linaro.org> (raw) In-Reply-To: <20201211184811.6490-1-grzegorz.jaszczyk@linaro.org> From: Suman Anna <s-anna@ti.com> The PRUSS CFG module is represented as a syscon node and is currently managed by the PRUSS platform driver. Add easy accessor functions to set GPI mode, MII_RT event enable/disable and XFR (XIN XOUT) enable/disable to enable the PRUSS Ethernet usecase. These functions reuse the generic pruss_cfg_update() API function. Signed-off-by: Suman Anna <s-anna@ti.com> Co-developed-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> --- include/linux/pruss.h | 55 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/include/linux/pruss.h b/include/linux/pruss.h index 9cef536c6cb5..c8d73cc6baa9 100644 --- a/include/linux/pruss.h +++ b/include/linux/pruss.h @@ -235,4 +235,59 @@ static inline bool is_pru_rproc(struct device *dev) return true; } +/** + * pruss_cfg_gpimode() - set the GPI mode of the PRU + * @pruss: the pruss instance handle + * @pru_id: id of the PRU core within the PRUSS + * @mode: GPI mode to set + * + * Sets the GPI mode for a given PRU by programming the + * corresponding PRUSS_CFG_GPCFGx register + * + * Return: 0 on success, or an error code otherwise + */ +static inline int pruss_cfg_gpimode(struct pruss *pruss, + enum pruss_pru_id pru_id, + enum pruss_gpi_mode mode) +{ + if (pru_id < 0 || pru_id >= PRUSS_NUM_PRUS) + return -EINVAL; + + return pruss_cfg_update(pruss, PRUSS_CFG_GPCFG(pru_id), + PRUSS_GPCFG_PRU_GPI_MODE_MASK, + mode << PRUSS_GPCFG_PRU_GPI_MODE_SHIFT); +} + +/** + * pruss_cfg_miirt_enable() - Enable/disable MII RT Events + * @pruss: the pruss instance + * @enable: enable/disable + * + * Enable/disable the MII RT Events for the PRUSS. + * + * Return: 0 on success, or an error code otherwise + */ +static inline int pruss_cfg_miirt_enable(struct pruss *pruss, bool enable) +{ + u32 set = enable ? PRUSS_MII_RT_EVENT_EN : 0; + + return pruss_cfg_update(pruss, PRUSS_CFG_MII_RT, + PRUSS_MII_RT_EVENT_EN, set); +} + +/** + * pruss_cfg_xfr_enable() - Enable/disable XIN XOUT shift functionality + * @pruss: the pruss instance + * @enable: enable/disable + * + * Return: 0 on success, or an error code otherwise + */ +static inline int pruss_cfg_xfr_enable(struct pruss *pruss, bool enable) +{ + u32 set = enable ? PRUSS_SPP_XFER_SHIFT_EN : 0; + + return pruss_cfg_update(pruss, PRUSS_CFG_SPP, + PRUSS_SPP_XFER_SHIFT_EN, set); +} + #endif /* __LINUX_PRUSS_H */ -- 2.29.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-12-11 20:32 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-11 18:48 [PATCH 0/6] Introduce PRU platform consumer API Grzegorz Jaszczyk 2020-12-11 18:48 ` Grzegorz Jaszczyk 2020-12-11 18:48 ` [PATCH 1/6] soc: ti: pruss: Add pruss_get()/put() API Grzegorz Jaszczyk 2020-12-11 18:48 ` Grzegorz Jaszczyk 2020-12-11 18:48 ` [PATCH 2/6] soc: ti: pruss: Add pruss_{request,release}_mem_region() API Grzegorz Jaszczyk 2020-12-11 18:48 ` [PATCH 2/6] soc: ti: pruss: Add pruss_{request, release}_mem_region() API Grzegorz Jaszczyk 2020-12-11 18:48 ` [PATCH 3/6] soc: ti: pruss: Add pruss_cfg_read()/update() API Grzegorz Jaszczyk 2020-12-11 18:48 ` Grzegorz Jaszczyk 2020-12-11 18:48 ` Grzegorz Jaszczyk [this message] 2020-12-11 18:48 ` [PATCH 4/6] soc: ti: pruss: Add helper functions to set GPI mode, MII_RT_event and XFR Grzegorz Jaszczyk 2020-12-11 18:48 ` [PATCH 5/6] soc: ti: pruss: Add helper function to enable OCP master ports Grzegorz Jaszczyk 2020-12-11 18:48 ` Grzegorz Jaszczyk 2020-12-11 18:48 ` [PATCH 6/6] soc: ti: pruss: Add helper functions to get/set PRUSS_CFG_GPMUX Grzegorz Jaszczyk 2020-12-11 18:48 ` Grzegorz Jaszczyk 2021-12-26 13:06 ` [PATCH 0/6] Introduce PRU platform consumer API Christian Gmeiner 2021-12-26 13:06 ` Christian Gmeiner
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