Introduce zynqmp_pmufw_node() for loading PMU configuration fragment for enabling IPs. Firmware driver has small overlay where NODE id is added and config fragment is sent to PMUFW. There is a need to build PMUFW with fragment support.
Signed-off-by: Michal Simek michal.simek@xilinx.com ---
drivers/firmware/firmware-zynqmp.c | 32 ++++++++++++++++++++++++++++++ include/zynqmp_firmware.h | 1 + 2 files changed, 33 insertions(+)
diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c index 342dbc13dfdf..10240ddccd3b 100644 --- a/drivers/firmware/firmware-zynqmp.c +++ b/drivers/firmware/firmware-zynqmp.c @@ -27,6 +27,38 @@ struct zynqmp_power { struct mbox_chan rx_chan; } zynqmp_power;
+#define NODE_ID_LOCATION 5 + +static unsigned int xpm_configobject[] = { + /**********************************************************************/ + /* HEADER */ + 2, /* Number of remaining words in the header */ + 1, /* Number of sections included in config object */ + PM_CONFIG_OBJECT_TYPE_OVERLAY, /* Type of Config object as overlay */ + /**********************************************************************/ + /* SLAVE SECTION */ + + PM_CONFIG_SLAVE_SECTION_ID, /* Section ID */ + 1, /* Number of slaves */ + + 0, /* Node ID which will be changed below */ + PM_SLAVE_FLAG_IS_SHAREABLE, + PM_CONFIG_IPI_PSU_CORTEXA53_0_MASK | + PM_CONFIG_IPI_PSU_CORTEXR5_0_MASK | + PM_CONFIG_IPI_PSU_CORTEXR5_1_MASK, /* IPI Mask */ +}; + +int zynqmp_pmufw_node(u32 id) +{ + /* Record power domain id */ + xpm_configobject[NODE_ID_LOCATION] = id; + + zynqmp_pmufw_load_config_object(xpm_configobject, + sizeof(xpm_configobject)); + + return 0; +} + static int ipi_req(const u32 *req, size_t req_len, u32 *res, size_t res_maxlen) { struct zynqmp_ipi_msg msg; diff --git a/include/zynqmp_firmware.h b/include/zynqmp_firmware.h index 19c004e91993..76c161806a0d 100644 --- a/include/zynqmp_firmware.h +++ b/include/zynqmp_firmware.h @@ -367,6 +367,7 @@ enum pm_ioctl_id { #define PAYLOAD_ARG_CNT 5U
unsigned int zynqmp_firmware_version(void); +int zynqmp_pmufw_node(u32 id); void zynqmp_pmufw_load_config_object(const void *cfg_obj, size_t size); int xilinx_pm_request(u32 api_id, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 *ret_payload);