From ba4fde74fc7fdd5ef37066a42721f37621cb80f2 Mon Sep 17 00:00:00 2001 From: Tanmay Shah Date: Mon, 14 Nov 2022 15:39:35 -0800 Subject: dt-bindings: remoteproc: Add Xilinx RPU subsystem bindings Xilinx ZynqMP platform has dual-core ARM Cortex R5 Realtime Processing Unit(RPU) subsystem. This patch adds dt-bindings for RPU subsystem (cluster). Signed-off-by: Tanmay Shah Reviewed-by: Rob Herring Link: https://lore.kernel.org/r/20221114233940.2096237-2-tanmay.shah@amd.com Signed-off-by: Mathieu Poirier --- include/dt-bindings/power/xlnx-zynqmp-power.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include') diff --git a/include/dt-bindings/power/xlnx-zynqmp-power.h b/include/dt-bindings/power/xlnx-zynqmp-power.h index 0d9a412fd5e0..618024cbb20d 100644 --- a/include/dt-bindings/power/xlnx-zynqmp-power.h +++ b/include/dt-bindings/power/xlnx-zynqmp-power.h @@ -6,6 +6,12 @@ #ifndef _DT_BINDINGS_ZYNQMP_POWER_H #define _DT_BINDINGS_ZYNQMP_POWER_H +#define PD_RPU_0 7 +#define PD_RPU_1 8 +#define PD_R5_0_ATCM 15 +#define PD_R5_0_BTCM 16 +#define PD_R5_1_ATCM 17 +#define PD_R5_1_BTCM 18 #define PD_USB_0 22 #define PD_USB_1 23 #define PD_TTC_0 24 -- cgit v1.2.3 From b2bd0a8c3ab11f355392c7b81aec5187fc0d562e Mon Sep 17 00:00:00 2001 From: Ben Levinsky Date: Mon, 14 Nov 2022 15:39:37 -0800 Subject: firmware: xilinx: Add ZynqMP firmware ioctl enums for RPU configuration. Add ZynqMP firmware ioctl enums for RPU configuration and TCM Nodes for later use via request_node and release_node Signed-off-by: Ben Levinsky Signed-off-by: Tanmay Shah Acked-by: Michal Simek Link: https://lore.kernel.org/r/20221114233940.2096237-4-tanmay.shah@amd.com Signed-off-by: Mathieu Poirier --- include/linux/firmware/xlnx-zynqmp.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'include') diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 76d2b3ebad84..bdbf855b5eef 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -135,6 +135,10 @@ enum pm_ret_status { }; enum pm_ioctl_id { + IOCTL_GET_RPU_OPER_MODE = 0, + IOCTL_SET_RPU_OPER_MODE = 1, + IOCTL_RPU_BOOT_ADDR_CONFIG = 2, + IOCTL_TCM_COMB_CONFIG = 3, IOCTL_SD_DLL_RESET = 6, IOCTL_SET_SD_TAPDELAY = 7, IOCTL_SET_PLL_FRAC_MODE = 8, @@ -175,6 +179,21 @@ enum pm_query_id { PM_QID_CLOCK_GET_MAX_DIVISOR = 13, }; +enum rpu_oper_mode { + PM_RPU_MODE_LOCKSTEP = 0, + PM_RPU_MODE_SPLIT = 1, +}; + +enum rpu_boot_mem { + PM_RPU_BOOTMEM_LOVEC = 0, + PM_RPU_BOOTMEM_HIVEC = 1, +}; + +enum rpu_tcm_comb { + PM_RPU_TCM_SPLIT = 0, + PM_RPU_TCM_COMB = 1, +}; + enum zynqmp_pm_reset_action { PM_RESET_ACTION_RELEASE = 0, PM_RESET_ACTION_ASSERT = 1, -- cgit v1.2.3 From da22a04f4727694e2c562ae4eb61daf77eef0427 Mon Sep 17 00:00:00 2001 From: Ben Levinsky Date: Mon, 14 Nov 2022 15:39:38 -0800 Subject: firmware: xilinx: Add shutdown/wakeup APIs Add shutdown/wakeup a resource eemi operations to shutdown or bringup a resource. Note alignment of args matches convention of other fn's in this file. The reason being that the long fn name results in aligned args that otherwise go over 80 chars so shift right to avoid this Signed-off-by: Ben Levinsky Signed-off-by: Tanmay Shah Acked-by: Michal Simek Link: https://lore.kernel.org/r/20221114233940.2096237-5-tanmay.shah@amd.com Signed-off-by: Mathieu Poirier --- include/linux/firmware/xlnx-zynqmp.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'include') diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index bdbf855b5eef..ad3f2bd0c470 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -12,6 +12,7 @@ #ifndef __FIRMWARE_ZYNQMP_H__ #define __FIRMWARE_ZYNQMP_H__ +#include #include @@ -87,6 +88,8 @@ enum pm_api_cb_id { enum pm_api_id { PM_GET_API_VERSION = 1, PM_REGISTER_NOTIFIER = 5, + PM_FORCE_POWERDOWN = 8, + PM_REQUEST_WAKEUP = 10, PM_SYSTEM_SHUTDOWN = 12, PM_REQUEST_NODE = 13, PM_RELEASE_NODE = 14, @@ -521,6 +524,12 @@ int zynqmp_pm_is_function_supported(const u32 api_id, const u32 id); int zynqmp_pm_set_feature_config(enum pm_feature_config_id id, u32 value); int zynqmp_pm_get_feature_config(enum pm_feature_config_id id, u32 *payload); int zynqmp_pm_register_sgi(u32 sgi_num, u32 reset); +int zynqmp_pm_force_pwrdwn(const u32 target, + const enum zynqmp_pm_request_ack ack); +int zynqmp_pm_request_wake(const u32 node, + const bool set_addr, + const u64 address, + const enum zynqmp_pm_request_ack ack); int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value); int zynqmp_pm_set_gem_config(u32 node, enum pm_gem_config_type config, u32 value); @@ -795,6 +804,20 @@ static inline int zynqmp_pm_register_sgi(u32 sgi_num, u32 reset) return -ENODEV; } +static inline int zynqmp_pm_force_pwrdwn(const u32 target, + const enum zynqmp_pm_request_ack ack) +{ + return -ENODEV; +} + +static inline int zynqmp_pm_request_wake(const u32 node, + const bool set_addr, + const u64 address, + const enum zynqmp_pm_request_ack ack) +{ + return -ENODEV; +} + static inline int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value) -- cgit v1.2.3 From a5e56980cfb7ecaeb9a207c74e2e90ec544f0bc0 Mon Sep 17 00:00:00 2001 From: Ben Levinsky Date: Mon, 14 Nov 2022 15:39:39 -0800 Subject: firmware: xilinx: Add RPU configuration APIs This patch adds APIs to access to configure RPU and its processor-specific memory. That is query the run-time mode of RPU as either split or lockstep as well as API to set this mode. In addition add APIs to access configuration of the RPUs' tightly coupled memory (TCM). Signed-off-by: Ben Levinsky Signed-off-by: Tanmay Shah Acked-by: Michal Simek Link: https://lore.kernel.org/r/20221114233940.2096237-6-tanmay.shah@amd.com Signed-off-by: Mathieu Poirier --- include/linux/firmware/xlnx-zynqmp.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'include') diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index ad3f2bd0c470..cf92e739fa3b 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -530,6 +530,9 @@ int zynqmp_pm_request_wake(const u32 node, const bool set_addr, const u64 address, const enum zynqmp_pm_request_ack ack); +int zynqmp_pm_get_rpu_mode(u32 node_id, enum rpu_oper_mode *rpu_mode); +int zynqmp_pm_set_rpu_mode(u32 node_id, u32 arg1); +int zynqmp_pm_set_tcm_config(u32 node_id, u32 arg1); int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value); int zynqmp_pm_set_gem_config(u32 node, enum pm_gem_config_type config, u32 value); @@ -818,6 +821,21 @@ static inline int zynqmp_pm_request_wake(const u32 node, return -ENODEV; } +static inline int zynqmp_pm_get_rpu_mode(u32 node_id, enum rpu_oper_mode *rpu_mode) +{ + return -ENODEV; +} + +static inline int zynqmp_pm_set_rpu_mode(u32 node_id, u32 arg1) +{ + return -ENODEV; +} + +static inline int zynqmp_pm_set_tcm_config(u32 node_id, u32 arg1) +{ + return -ENODEV; +} + static inline int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value) -- cgit v1.2.3