From: Ben Levinsky <ben.levinsky@xilinx.com> To: ohad@wizery.com, bjorn.andersson@linaro.org, michal.simek@xilinx.com, jollys@xilinx.com, rajan.vaja@xilinx.com, robh+dt@kernel.org, mark.rutland@arm.com Cc: linux-remoteproc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/5] firmware: xilinx: Add shutdown/wakeup APIs Date: Mon, 24 Feb 2020 09:52:28 -0800 [thread overview] Message-ID: <1582566751-13118-3-git-send-email-ben.levinsky@xilinx.com> (raw) In-Reply-To: <1582566751-13118-1-git-send-email-ben.levinsky@xilinx.com> Add shutdown/wakeup a resource eemi operations to shutdown or bringup a resource. Signed-off-by: Ben Levinsky <ben.levinsky@xilinx.com> --- drivers/firmware/xilinx/zynqmp.c | 35 +++++++++++++++++++++++++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 8 ++++++++ 2 files changed, 43 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index 20e4574..486dcb1 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -692,6 +692,39 @@ static int zynqmp_pm_release_node(const u32 node) } /** + * zynqmp_pm_force_powerdown - PM call to request for another PU or subsystem to + * be powered down forcefully + * @target: Node ID of the targeted PU or subsystem + * @ack: Flag to specify whether acknowledge is requested + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_force_powerdown(const u32 target, + const enum zynqmp_pm_request_ack ack) +{ + return zynqmp_pm_invoke_fn(PM_FORCE_POWERDOWN, target, ack, 0, 0, NULL); +} + +/** + * zynqmp_pm_request_wakeup - PM call to wake up selected master or subsystem + * @node: Node ID of the master or subsystem + * @set_addr: Specifies whether the address argument is relevant + * @address: Address from which to resume when woken up + * @ack: Flag to specify whether acknowledge requested + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_request_wakeup(const u32 node, + const bool set_addr, + const u64 address, + const enum zynqmp_pm_request_ack ack) +{ + /* set_addr flag is encoded into 1st bit of address */ + return zynqmp_pm_invoke_fn(PM_REQUEST_WAKEUP, node, address | set_addr, + address >> 32, ack, NULL); +} + +/** * zynqmp_pm_set_requirement() - PM call to set requirement for PM slaves * @node: Node ID of the slave * @capabilities: Requested capabilities of the slave @@ -731,6 +764,8 @@ static const struct zynqmp_eemi_ops eemi_ops = { .set_suspend_mode = zynqmp_pm_set_suspend_mode, .request_node = zynqmp_pm_request_node, .release_node = zynqmp_pm_release_node, + .force_powerdown = zynqmp_pm_force_powerdown, + .request_wakeup = zynqmp_pm_request_wakeup, .set_requirement = zynqmp_pm_set_requirement, .fpga_load = zynqmp_pm_fpga_load, .fpga_get_status = zynqmp_pm_fpga_get_status, diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index b8ca118..0a68849 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -82,6 +82,8 @@ enum pm_api_id { PM_CLOCK_GETRATE, PM_CLOCK_SETPARENT, PM_CLOCK_GETPARENT, + PM_FORCE_POWERDOWN = 8, + PM_REQUEST_WAKEUP = 10, PM_FEATURE_CHECK = 63, PM_API_MAX, }; @@ -330,6 +332,12 @@ struct zynqmp_eemi_ops { const u32 qos, const enum zynqmp_pm_request_ack ack); int (*release_node)(const u32 node); + int (*force_powerdown)(const u32 target, + const enum zynqmp_pm_request_ack ack); + int (*request_wakeup)(const u32 node, + const bool set_addr, + const u64 address, + const enum zynqmp_pm_request_ack ack); int (*set_requirement)(const u32 node, const u32 capabilities, const u32 qos, -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Ben Levinsky <ben.levinsky@xilinx.com> To: ohad@wizery.com, bjorn.andersson@linaro.org, michal.simek@xilinx.com, jollys@xilinx.com, rajan.vaja@xilinx.com, robh+dt@kernel.org, mark.rutland@arm.com Cc: devicetree@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/5] firmware: xilinx: Add shutdown/wakeup APIs Date: Mon, 24 Feb 2020 09:52:28 -0800 [thread overview] Message-ID: <1582566751-13118-3-git-send-email-ben.levinsky@xilinx.com> (raw) In-Reply-To: <1582566751-13118-1-git-send-email-ben.levinsky@xilinx.com> Add shutdown/wakeup a resource eemi operations to shutdown or bringup a resource. Signed-off-by: Ben Levinsky <ben.levinsky@xilinx.com> --- drivers/firmware/xilinx/zynqmp.c | 35 +++++++++++++++++++++++++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 8 ++++++++ 2 files changed, 43 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index 20e4574..486dcb1 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -692,6 +692,39 @@ static int zynqmp_pm_release_node(const u32 node) } /** + * zynqmp_pm_force_powerdown - PM call to request for another PU or subsystem to + * be powered down forcefully + * @target: Node ID of the targeted PU or subsystem + * @ack: Flag to specify whether acknowledge is requested + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_force_powerdown(const u32 target, + const enum zynqmp_pm_request_ack ack) +{ + return zynqmp_pm_invoke_fn(PM_FORCE_POWERDOWN, target, ack, 0, 0, NULL); +} + +/** + * zynqmp_pm_request_wakeup - PM call to wake up selected master or subsystem + * @node: Node ID of the master or subsystem + * @set_addr: Specifies whether the address argument is relevant + * @address: Address from which to resume when woken up + * @ack: Flag to specify whether acknowledge requested + * + * Return: Returns status, either success or error+reason + */ +static int zynqmp_pm_request_wakeup(const u32 node, + const bool set_addr, + const u64 address, + const enum zynqmp_pm_request_ack ack) +{ + /* set_addr flag is encoded into 1st bit of address */ + return zynqmp_pm_invoke_fn(PM_REQUEST_WAKEUP, node, address | set_addr, + address >> 32, ack, NULL); +} + +/** * zynqmp_pm_set_requirement() - PM call to set requirement for PM slaves * @node: Node ID of the slave * @capabilities: Requested capabilities of the slave @@ -731,6 +764,8 @@ static const struct zynqmp_eemi_ops eemi_ops = { .set_suspend_mode = zynqmp_pm_set_suspend_mode, .request_node = zynqmp_pm_request_node, .release_node = zynqmp_pm_release_node, + .force_powerdown = zynqmp_pm_force_powerdown, + .request_wakeup = zynqmp_pm_request_wakeup, .set_requirement = zynqmp_pm_set_requirement, .fpga_load = zynqmp_pm_fpga_load, .fpga_get_status = zynqmp_pm_fpga_get_status, diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index b8ca118..0a68849 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -82,6 +82,8 @@ enum pm_api_id { PM_CLOCK_GETRATE, PM_CLOCK_SETPARENT, PM_CLOCK_GETPARENT, + PM_FORCE_POWERDOWN = 8, + PM_REQUEST_WAKEUP = 10, PM_FEATURE_CHECK = 63, PM_API_MAX, }; @@ -330,6 +332,12 @@ struct zynqmp_eemi_ops { const u32 qos, const enum zynqmp_pm_request_ack ack); int (*release_node)(const u32 node); + int (*force_powerdown)(const u32 target, + const enum zynqmp_pm_request_ack ack); + int (*request_wakeup)(const u32 node, + const bool set_addr, + const u64 address, + const enum zynqmp_pm_request_ack ack); int (*set_requirement)(const u32 node, const u32 capabilities, const u32 qos, -- 2.7.4 _______________________________________________ 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:[~2020-02-24 17:52 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-02-24 17:52 [PATCH 0/5] remoteproc: Add zynqmp_r5 driver Ben Levinsky 2020-02-24 17:52 ` Ben Levinsky 2020-02-24 17:52 ` [PATCH 1/5] firmware: xilinx: Add ZynqMP firmware ioctl enums for RPU configuration Ben Levinsky 2020-02-24 17:52 ` Ben Levinsky 2020-03-12 7:32 ` Michal Simek 2020-03-12 7:32 ` Michal Simek 2020-02-24 17:52 ` Ben Levinsky [this message] 2020-02-24 17:52 ` [PATCH 2/5] firmware: xilinx: Add shutdown/wakeup APIs Ben Levinsky 2020-03-12 7:34 ` Michal Simek 2020-03-12 7:34 ` Michal Simek 2020-02-24 17:52 ` [PATCH 3/5] firmware: xilinx: Add zynqmp_get_node_status API Ben Levinsky 2020-02-24 17:52 ` Ben Levinsky 2020-03-11 16:26 ` Mathieu Poirier 2020-03-11 16:26 ` Mathieu Poirier 2020-02-24 17:52 ` [PATCH 4/5] dt-bindings: remoteproc: Add documentation for ZynqMP R5 rproc bindings Ben Levinsky 2020-02-24 17:52 ` Ben Levinsky 2020-03-02 20:27 ` Rob Herring 2020-03-02 20:27 ` Rob Herring 2020-03-11 16:55 ` Mathieu Poirier 2020-03-11 16:55 ` Mathieu Poirier 2020-02-24 17:52 ` [PATCH 5/5] remoteproc: Add initial zynqmp R5 remoteproc driver Ben Levinsky 2020-02-24 17:52 ` Ben Levinsky 2020-03-05 23:12 ` Michael Auchter 2020-03-05 23:12 ` Michael Auchter 2020-03-11 17:38 ` Mathieu Poirier 2020-03-11 17:38 ` Mathieu Poirier
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