| /* |
| * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| /* |
| * ZynqMP system level PM-API functions and communication with PMU via |
| * IPI interrupts |
| */ |
| |
| #include <arch_helpers.h> |
| #include <platform.h> |
| #include "pm_api_clock.h" |
| #include "pm_api_ioctl.h" |
| #include "pm_api_pinctrl.h" |
| #include "pm_api_sys.h" |
| #include "pm_client.h" |
| #include "pm_common.h" |
| #include "pm_ipi.h" |
| |
| /* default shutdown/reboot scope is system(2) */ |
| static unsigned int pm_shutdown_scope = PMF_SHUTDOWN_SUBTYPE_SYSTEM; |
| |
| /** |
| * pm_get_shutdown_scope() - Get the currently set shutdown scope |
| * |
| * @return Shutdown scope value |
| */ |
| unsigned int pm_get_shutdown_scope(void) |
| { |
| return pm_shutdown_scope; |
| } |
| |
| /** |
| * Assigning of argument values into array elements. |
| */ |
| #define PM_PACK_PAYLOAD1(pl, arg0) { \ |
| pl[0] = (uint32_t)(arg0); \ |
| } |
| |
| #define PM_PACK_PAYLOAD2(pl, arg0, arg1) { \ |
| pl[1] = (uint32_t)(arg1); \ |
| PM_PACK_PAYLOAD1(pl, arg0); \ |
| } |
| |
| #define PM_PACK_PAYLOAD3(pl, arg0, arg1, arg2) { \ |
| pl[2] = (uint32_t)(arg2); \ |
| PM_PACK_PAYLOAD2(pl, arg0, arg1); \ |
| } |
| |
| #define PM_PACK_PAYLOAD4(pl, arg0, arg1, arg2, arg3) { \ |
| pl[3] = (uint32_t)(arg3); \ |
| PM_PACK_PAYLOAD3(pl, arg0, arg1, arg2); \ |
| } |
| |
| #define PM_PACK_PAYLOAD5(pl, arg0, arg1, arg2, arg3, arg4) { \ |
| pl[4] = (uint32_t)(arg4); \ |
| PM_PACK_PAYLOAD4(pl, arg0, arg1, arg2, arg3); \ |
| } |
| |
| #define PM_PACK_PAYLOAD6(pl, arg0, arg1, arg2, arg3, arg4, arg5) { \ |
| pl[5] = (uint32_t)(arg5); \ |
| PM_PACK_PAYLOAD5(pl, arg0, arg1, arg2, arg3, arg4); \ |
| } |
| |
| /** |
| * pm_self_suspend() - PM call for processor to suspend itself |
| * @nid Node id of the processor or subsystem |
| * @latency Requested maximum wakeup latency (not supported) |
| * @state Requested state |
| * @address Resume address |
| * |
| * This is a blocking call, it will return only once PMU has responded. |
| * On a wakeup, resume address will be automatically set by PMU. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_self_suspend(enum pm_node_id nid, |
| unsigned int latency, |
| unsigned int state, |
| uintptr_t address) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| unsigned int cpuid = plat_my_core_pos(); |
| const struct pm_proc *proc = pm_get_proc(cpuid); |
| |
| /* |
| * Do client specific suspend operations |
| * (e.g. set powerdown request bit) |
| */ |
| pm_client_suspend(proc, state); |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD6(payload, PM_SELF_SUSPEND, proc->node_id, latency, |
| state, address, (address >> 32)); |
| return pm_ipi_send_sync(proc, payload, NULL, 0); |
| } |
| |
| /** |
| * pm_req_suspend() - PM call to request for another PU or subsystem to |
| * be suspended gracefully. |
| * @target Node id of the targeted PU or subsystem |
| * @ack Flag to specify whether acknowledge is requested |
| * @latency Requested wakeup latency (not supported) |
| * @state Requested state (not supported) |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_req_suspend(enum pm_node_id target, |
| enum pm_request_ack ack, |
| unsigned int latency, unsigned int state) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD5(payload, PM_REQ_SUSPEND, target, ack, latency, state); |
| if (ack == REQ_ACK_BLOCKING) |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| else |
| return pm_ipi_send(primary_proc, payload); |
| } |
| |
| /** |
| * pm_req_wakeup() - PM call for processor to wake up selected processor |
| * or subsystem |
| * @target Node id of the processor or subsystem to wake up |
| * @ack Flag to specify whether acknowledge requested |
| * @set_address Resume address presence indicator |
| * 1 resume address specified, 0 otherwise |
| * @address Resume address |
| * |
| * This API function is either used to power up another APU core for SMP |
| * (by PSCI) or to power up an entirely different PU or subsystem, such |
| * as RPU0, RPU, or PL_CORE_xx. Resume address for the target PU will be |
| * automatically set by PMU. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_req_wakeup(enum pm_node_id target, |
| unsigned int set_address, |
| uintptr_t address, |
| enum pm_request_ack ack) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| uint64_t encoded_address; |
| |
| |
| /* encode set Address into 1st bit of address */ |
| encoded_address = address; |
| encoded_address |= !!set_address; |
| |
| /* Send request to the PMU to perform the wake of the PU */ |
| PM_PACK_PAYLOAD5(payload, PM_REQ_WAKEUP, target, encoded_address, |
| encoded_address >> 32, ack); |
| |
| if (ack == REQ_ACK_BLOCKING) |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| else |
| return pm_ipi_send(primary_proc, payload); |
| } |
| |
| /** |
| * 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 |
| */ |
| enum pm_ret_status pm_force_powerdown(enum pm_node_id target, |
| enum pm_request_ack ack) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD3(payload, PM_FORCE_POWERDOWN, target, ack); |
| |
| if (ack == REQ_ACK_BLOCKING) |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| else |
| return pm_ipi_send(primary_proc, payload); |
| } |
| |
| /** |
| * pm_abort_suspend() - PM call to announce that a prior suspend request |
| * is to be aborted. |
| * @reason Reason for the abort |
| * |
| * Calling PU expects the PMU to abort the initiated suspend procedure. |
| * This is a non-blocking call without any acknowledge. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_abort_suspend(enum pm_abort_reason reason) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* |
| * Do client specific abort suspend operations |
| * (e.g. enable interrupts and clear powerdown request bit) |
| */ |
| pm_client_abort_suspend(); |
| /* Send request to the PMU */ |
| /* TODO: allow passing the node ID of the affected CPU */ |
| PM_PACK_PAYLOAD3(payload, PM_ABORT_SUSPEND, reason, |
| primary_proc->node_id); |
| return pm_ipi_send(primary_proc, payload); |
| } |
| |
| /** |
| * pm_set_wakeup_source() - PM call to specify the wakeup source while suspended |
| * @target Node id of the targeted PU or subsystem |
| * @wkup_node Node id of the wakeup peripheral |
| * @enable Enable or disable the specified peripheral as wake source |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_set_wakeup_source(enum pm_node_id target, |
| enum pm_node_id wkup_node, |
| unsigned int enable) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| PM_PACK_PAYLOAD4(payload, PM_SET_WAKEUP_SOURCE, target, wkup_node, |
| enable); |
| return pm_ipi_send(primary_proc, payload); |
| } |
| |
| /** |
| * pm_system_shutdown() - PM call to request a system shutdown or restart |
| * @type Shutdown or restart? 0=shutdown, 1=restart, 2=setscope |
| * @subtype Scope: 0=APU-subsystem, 1=PS, 2=system |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_system_shutdown(unsigned int type, unsigned int subtype) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| if (type == PMF_SHUTDOWN_TYPE_SETSCOPE_ONLY) { |
| /* Setting scope for subsequent PSCI reboot or shutdown */ |
| pm_shutdown_scope = subtype; |
| return PM_RET_SUCCESS; |
| } |
| |
| PM_PACK_PAYLOAD3(payload, PM_SYSTEM_SHUTDOWN, type, subtype); |
| return pm_ipi_send_non_blocking(primary_proc, payload); |
| } |
| |
| /* APIs for managing PM slaves: */ |
| |
| /** |
| * pm_req_node() - PM call to request a node with specific capabilities |
| * @nid Node id of the slave |
| * @capabilities Requested capabilities of the slave |
| * @qos Quality of service (not supported) |
| * @ack Flag to specify whether acknowledge is requested |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_req_node(enum pm_node_id nid, |
| unsigned int capabilities, |
| unsigned int qos, |
| enum pm_request_ack ack) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| PM_PACK_PAYLOAD5(payload, PM_REQ_NODE, nid, capabilities, qos, ack); |
| |
| if (ack == REQ_ACK_BLOCKING) |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| else |
| return pm_ipi_send(primary_proc, payload); |
| } |
| |
| /** |
| * pm_set_requirement() - PM call to set requirement for PM slaves |
| * @nid Node id of the slave |
| * @capabilities Requested capabilities of the slave |
| * @qos Quality of service (not supported) |
| * @ack Flag to specify whether acknowledge is requested |
| * |
| * This API function is to be used for slaves a PU already has requested |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_set_requirement(enum pm_node_id nid, |
| unsigned int capabilities, |
| unsigned int qos, |
| enum pm_request_ack ack) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| PM_PACK_PAYLOAD5(payload, PM_SET_REQUIREMENT, nid, capabilities, qos, |
| ack); |
| |
| if (ack == REQ_ACK_BLOCKING) |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| else |
| return pm_ipi_send(primary_proc, payload); |
| } |
| |
| /** |
| * pm_release_node() - PM call to release a node |
| * @nid Node id of the slave |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_release_node(enum pm_node_id nid) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| PM_PACK_PAYLOAD2(payload, PM_RELEASE_NODE, nid); |
| return pm_ipi_send(primary_proc, payload); |
| } |
| |
| /** |
| * pm_set_max_latency() - PM call to set wakeup latency requirements |
| * @nid Node id of the slave |
| * @latency Requested maximum wakeup latency |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_set_max_latency(enum pm_node_id nid, |
| unsigned int latency) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| PM_PACK_PAYLOAD3(payload, PM_SET_MAX_LATENCY, nid, latency); |
| return pm_ipi_send(primary_proc, payload); |
| } |
| |
| /* Miscellaneous API functions */ |
| |
| /** |
| * pm_get_api_version() - Get version number of PMU PM firmware |
| * @version Returns 32-bit version number of PMU Power Management Firmware |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_get_api_version(unsigned int *version) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD1(payload, PM_GET_API_VERSION); |
| return pm_ipi_send_sync(primary_proc, payload, version, 1); |
| } |
| |
| /** |
| * pm_set_configuration() - PM call to set system configuration |
| * @phys_addr Physical 32-bit address of data structure in memory |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_set_configuration(unsigned int phys_addr) |
| { |
| return PM_RET_ERROR_NOTSUPPORTED; |
| } |
| |
| /** |
| * pm_init_finalize() - Call to notify PMU firmware that master has power |
| * management enabled and that it has finished its |
| * initialization |
| * |
| * @return Status returned by the PMU firmware |
| */ |
| enum pm_ret_status pm_init_finalize(void) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD1(payload, PM_INIT_FINALIZE); |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| } |
| |
| /** |
| * pm_get_node_status() - PM call to request a node's current status |
| * @nid Node id |
| * @ret_buff Buffer for the return values: |
| * [0] - Current power state of the node |
| * [1] - Current requirements for the node (slave nodes only) |
| * [2] - Current usage status for the node (slave nodes only) |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_get_node_status(enum pm_node_id nid, |
| uint32_t *ret_buff) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| PM_PACK_PAYLOAD2(payload, PM_GET_NODE_STATUS, nid); |
| return pm_ipi_send_sync(primary_proc, payload, ret_buff, 3); |
| } |
| |
| /** |
| * pm_register_notifier() - Register the PU to be notified of PM events |
| * @nid Node id of the slave |
| * @event The event to be notified about |
| * @wake Wake up on event |
| * @enable Enable or disable the notifier |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_register_notifier(enum pm_node_id nid, |
| unsigned int event, |
| unsigned int wake, |
| unsigned int enable) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| PM_PACK_PAYLOAD5(payload, PM_REGISTER_NOTIFIER, |
| nid, event, wake, enable); |
| |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| } |
| |
| /** |
| * pm_get_op_characteristic() - PM call to request operating characteristics |
| * of a node |
| * @nid Node id of the slave |
| * @type Type of the operating characteristic |
| * (power, temperature and latency) |
| * @result Returns the operating characteristic for the requested node, |
| * specified by the type |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_get_op_characteristic(enum pm_node_id nid, |
| enum pm_opchar_type type, |
| uint32_t *result) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD3(payload, PM_GET_OP_CHARACTERISTIC, nid, type); |
| return pm_ipi_send_sync(primary_proc, payload, result, 1); |
| } |
| |
| /* Direct-Control API functions */ |
| |
| /** |
| * pm_reset_assert() - Assert reset |
| * @reset Reset ID |
| * @assert Assert (1) or de-assert (0) |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_reset_assert(unsigned int reset, |
| unsigned int assert) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD3(payload, PM_RESET_ASSERT, reset, assert); |
| return pm_ipi_send(primary_proc, payload); |
| } |
| |
| /** |
| * pm_reset_get_status() - Get current status of a reset line |
| * @reset Reset ID |
| * @reset_status Returns current status of selected reset line |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_reset_get_status(unsigned int reset, |
| unsigned int *reset_status) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD2(payload, PM_RESET_GET_STATUS, reset); |
| return pm_ipi_send_sync(primary_proc, payload, reset_status, 1); |
| } |
| |
| /** |
| * pm_mmio_write() - Perform write to protected mmio |
| * @address Address to write to |
| * @mask Mask to apply |
| * @value Value to write |
| * |
| * This function provides access to PM-related control registers |
| * that may not be directly accessible by a particular PU. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_mmio_write(uintptr_t address, |
| unsigned int mask, |
| unsigned int value) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD4(payload, PM_MMIO_WRITE, address, mask, value); |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| } |
| |
| /** |
| * pm_mmio_read() - Read value from protected mmio |
| * @address Address to write to |
| * @value Value to write |
| * |
| * This function provides access to PM-related control registers |
| * that may not be directly accessible by a particular PU. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_mmio_read(uintptr_t address, unsigned int *value) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD2(payload, PM_MMIO_READ, address); |
| return pm_ipi_send_sync(primary_proc, payload, value, 1); |
| } |
| |
| /** |
| * pm_fpga_load() - Load the bitstream into the PL. |
| * |
| * This function provides access to the xilfpga library to load |
| * the Bit-stream into PL. |
| * |
| * address_low: lower 32-bit Linear memory space address |
| * |
| * address_high: higher 32-bit Linear memory space address |
| * |
| * size: Number of 32bit words |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_fpga_load(uint32_t address_low, |
| uint32_t address_high, |
| uint32_t size, |
| uint32_t flags) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD5(payload, PM_FPGA_LOAD, address_high, address_low, |
| size, flags); |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| } |
| |
| /** |
| * pm_fpga_get_status() - Read value from fpga status register |
| * @value Value to read |
| * |
| * This function provides access to the xilfpga library to get |
| * the fpga status |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_fpga_get_status(unsigned int *value) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD1(payload, PM_FPGA_GET_STATUS); |
| return pm_ipi_send_sync(primary_proc, payload, value, 1); |
| } |
| |
| /** |
| * pm_get_chipid() - Read silicon ID registers |
| * @value Buffer for return values. Must be large enough |
| * to hold 8 bytes. |
| * |
| * @return Returns silicon ID registers |
| */ |
| enum pm_ret_status pm_get_chipid(uint32_t *value) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD1(payload, PM_GET_CHIPID); |
| return pm_ipi_send_sync(primary_proc, payload, value, 2); |
| } |
| |
| /** |
| * pm_secure_rsaaes() - Load the secure images. |
| * |
| * This function provides access to the xilsecure library to load |
| * the authenticated, encrypted, and authenicated/encrypted images. |
| * |
| * address_low: lower 32-bit Linear memory space address |
| * |
| * address_high: higher 32-bit Linear memory space address |
| * |
| * size: Number of 32bit words |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_secure_rsaaes(uint32_t address_low, |
| uint32_t address_high, |
| uint32_t size, |
| uint32_t flags) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD5(payload, PM_SECURE_RSA_AES, address_high, address_low, |
| size, flags); |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| } |
| |
| /** |
| * pm_aes_engine() - Aes data blob encryption/decryption |
| * This function provides access to the xilsecure library to |
| * encrypt/decrypt data blobs. |
| * |
| * address_low: lower 32-bit address of the AesParams structure |
| * |
| * address_high: higher 32-bit address of the AesParams structure |
| * |
| * value: Returned output value |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_aes_engine(uint32_t address_high, |
| uint32_t address_low, |
| uint32_t *value) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD3(payload, PM_SECURE_AES, address_high, address_low); |
| return pm_ipi_send_sync(primary_proc, payload, value, 1); |
| } |
| |
| /** |
| * pm_pinctrl_request() - Request Pin from firmware |
| * @pin Pin number to request |
| * |
| * This function requests pin from firmware. |
| * |
| * @return Returns status, either success or error+reason. |
| */ |
| enum pm_ret_status pm_pinctrl_request(unsigned int pin) |
| { |
| return PM_RET_SUCCESS; |
| } |
| |
| /** |
| * pm_pinctrl_release() - Release Pin from firmware |
| * @pin Pin number to release |
| * |
| * This function releases pin from firmware. |
| * |
| * @return Returns status, either success or error+reason. |
| */ |
| enum pm_ret_status pm_pinctrl_release(unsigned int pin) |
| { |
| return PM_RET_SUCCESS; |
| } |
| |
| /** |
| * pm_pinctrl_get_function() - Read function id set for the given pin |
| * @pin Pin number |
| * @nid Node ID of function currently set for given pin |
| * |
| * This function provides the function currently set for the given pin. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_pinctrl_get_function(unsigned int pin, |
| enum pm_node_id *nid) |
| { |
| return pm_api_pinctrl_get_function(pin, nid); |
| } |
| |
| /** |
| * pm_pinctrl_set_function() - Set function id set for the given pin |
| * @pin Pin number |
| * @nid Node ID of function to set for given pin |
| * |
| * This function provides the function currently set for the given pin. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_pinctrl_set_function(unsigned int pin, |
| enum pm_node_id nid) |
| { |
| return pm_api_pinctrl_set_function(pin, (unsigned int)nid); |
| } |
| |
| /** |
| * pm_pinctrl_get_config() - Read value of requested config param for given pin |
| * @pin Pin number |
| * @param Parameter values to be read |
| * @value Buffer for configuration Parameter value |
| * |
| * This function provides the configuration parameter value for the given pin. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_pinctrl_get_config(unsigned int pin, |
| unsigned int param, |
| unsigned int *value) |
| { |
| return pm_api_pinctrl_get_config(pin, param, value); |
| } |
| |
| /** |
| * pm_pinctrl_set_config() - Read value of requested config param for given pin |
| * @pin Pin number |
| * @param Parameter to set |
| * @value Parameter value to set |
| * |
| * This function provides the configuration parameter value for the given pin. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_pinctrl_set_config(unsigned int pin, |
| unsigned int param, |
| unsigned int value) |
| { |
| return pm_api_pinctrl_set_config(pin, param, value); |
| } |
| |
| /** |
| * pm_ioctl() - PM IOCTL API for device control and configs |
| * @node_id Node ID of the device |
| * @ioctl_id ID of the requested IOCTL |
| * @arg1 Argument 1 to requested IOCTL call |
| * @arg2 Argument 2 to requested IOCTL call |
| * @out Returned output value |
| * |
| * This function calls IOCTL to firmware for device control and configuration. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_ioctl(enum pm_node_id nid, |
| unsigned int ioctl_id, |
| unsigned int arg1, |
| unsigned int arg2, |
| unsigned int *value) |
| { |
| return pm_api_ioctl(nid, ioctl_id, arg1, arg2, value); |
| } |
| |
| /** |
| * pm_clock_get_num_clocks - PM call to request number of clocks |
| * @nclockss: Number of clocks |
| * |
| * This function is used by master to get number of clocks. |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| static enum pm_ret_status pm_clock_get_num_clocks(uint32_t *nclocks) |
| { |
| return pm_api_clock_get_num_clocks(nclocks); |
| } |
| |
| /** |
| * pm_clock_get_name() - PM call to request a clock's name |
| * @clock_id Clock ID |
| * @name Name of clock (max 16 bytes) |
| * |
| * This function is used by master to get nmae of clock specified |
| * by given clock ID. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| static enum pm_ret_status pm_clock_get_name(unsigned int clock_id, char *name) |
| { |
| return pm_api_clock_get_name(clock_id, name); |
| } |
| |
| /** |
| * pm_clock_get_topology() - PM call to request a clock's topology |
| * @clock_id Clock ID |
| * @index Topology index for next toplogy node |
| * @topology Buffer to store nodes in topology and flags |
| * |
| * This function is used by master to get topology information for the |
| * clock specified by given clock ID. Each response would return 3 |
| * topology nodes. To get next nodes, caller needs to call this API with |
| * index of next node. Index starts from 0. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| static enum pm_ret_status pm_clock_get_topology(unsigned int clock_id, |
| unsigned int index, |
| uint32_t *topology) |
| { |
| return pm_api_clock_get_topology(clock_id, index, topology); |
| } |
| |
| /** |
| * pm_clock_get_fixedfactor_params() - PM call to request a clock's fixed factor |
| * parameters for fixed clock |
| * @clock_id Clock ID |
| * @mul Multiplication value |
| * @div Divisor value |
| * |
| * This function is used by master to get fixed factor parameers for the |
| * fixed clock. This API is application only for the fixed clock. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| static enum pm_ret_status pm_clock_get_fixedfactor_params(unsigned int clock_id, |
| uint32_t *mul, |
| uint32_t *div) |
| { |
| return pm_api_clock_get_fixedfactor_params(clock_id, mul, div); |
| } |
| |
| /** |
| * pm_clock_get_parents() - PM call to request a clock's first 3 parents |
| * @clock_id Clock ID |
| * @index Index of next parent |
| * @parents Parents of the given clock |
| * |
| * This function is used by master to get clock's parents information. |
| * This API will return 3 parents with a single response. To get other |
| * parents, master should call same API in loop with new parent index |
| * till error is returned. |
| * |
| * E.g First call should have index 0 which will return parents 0, 1 and |
| * 2. Next call, index should be 3 which will return parent 3,4 and 5 and |
| * so on. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| static enum pm_ret_status pm_clock_get_parents(unsigned int clock_id, |
| unsigned int index, |
| uint32_t *parents) |
| { |
| return pm_api_clock_get_parents(clock_id, index, parents); |
| } |
| |
| /** |
| * pm_clock_get_attributes() - PM call to request a clock's attributes |
| * @clock_id Clock ID |
| * @attr Clock attributes |
| * |
| * This function is used by master to get clock's attributes |
| * (e.g. valid, clock type, etc). |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| static enum pm_ret_status pm_clock_get_attributes(unsigned int clock_id, |
| uint32_t *attr) |
| { |
| return pm_api_clock_get_attributes(clock_id, attr); |
| } |
| |
| /** |
| * pm_clock_gate() - Configure clock gate |
| * @clock_id Id of the clock to be configured |
| * @enable Flag 0=disable (gate the clock), !0=enable (activate the clock) |
| * |
| * @return Error if an argument is not valid or status as returned by the |
| * PM controller (PMU) |
| */ |
| static enum pm_ret_status pm_clock_gate(unsigned int clock_id, |
| unsigned char enable) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| enum pm_ret_status status; |
| enum pm_api_id api_id; |
| |
| /* Check if clock ID is valid and return an error if it is not */ |
| status = pm_clock_id_is_valid(clock_id); |
| if (status != PM_RET_SUCCESS) |
| return status; |
| |
| if (enable) |
| api_id = PM_CLOCK_ENABLE; |
| else |
| api_id = PM_CLOCK_DISABLE; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD2(payload, api_id, clock_id); |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| } |
| |
| /** |
| * pm_clock_enable() - Enable the clock for given id |
| * @clock_id: Id of the clock to be enabled |
| * |
| * This function is used by master to enable the clock |
| * including peripherals and PLL clocks. |
| * |
| * @return: Error if an argument is not valid or status as returned by the |
| * pm_clock_gate |
| */ |
| enum pm_ret_status pm_clock_enable(unsigned int clock_id) |
| { |
| struct pm_pll *pll; |
| |
| /* First try to handle it as a PLL */ |
| pll = pm_clock_get_pll(clock_id); |
| if (pll) |
| return pm_clock_pll_enable(pll); |
| |
| /* It's an on-chip clock, PMU should configure clock's gate */ |
| return pm_clock_gate(clock_id, 1); |
| } |
| |
| /** |
| * pm_clock_disable - Disable the clock for given id |
| * @clock_id: Id of the clock to be disable |
| * |
| * This function is used by master to disable the clock |
| * including peripherals and PLL clocks. |
| * |
| * @return: Error if an argument is not valid or status as returned by the |
| * pm_clock_gate |
| */ |
| enum pm_ret_status pm_clock_disable(unsigned int clock_id) |
| { |
| struct pm_pll *pll; |
| |
| /* First try to handle it as a PLL */ |
| pll = pm_clock_get_pll(clock_id); |
| if (pll) |
| return pm_clock_pll_disable(pll); |
| |
| /* It's an on-chip clock, PMU should configure clock's gate */ |
| return pm_clock_gate(clock_id, 0); |
| } |
| |
| /** |
| * pm_clock_getstate - Get the clock state for given id |
| * @clock_id: Id of the clock to be queried |
| * @state: 1/0 (Enabled/Disabled) |
| * |
| * This function is used by master to get the state of clock |
| * including peripherals and PLL clocks. |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| enum pm_ret_status pm_clock_getstate(unsigned int clock_id, |
| unsigned int *state) |
| { |
| struct pm_pll *pll; |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| enum pm_ret_status status; |
| |
| /* First try to handle it as a PLL */ |
| pll = pm_clock_get_pll(clock_id); |
| if (pll) |
| return pm_clock_pll_get_state(pll, state); |
| |
| /* Check if clock ID is a valid on-chip clock */ |
| status = pm_clock_id_is_valid(clock_id); |
| if (status != PM_RET_SUCCESS) |
| return status; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD2(payload, PM_CLOCK_GETSTATE, clock_id); |
| return pm_ipi_send_sync(primary_proc, payload, state, 1); |
| } |
| |
| /** |
| * pm_clock_setdivider - Set the clock divider for given id |
| * @clock_id: Id of the clock |
| * @divider: divider value |
| * |
| * This function is used by master to set divider for any clock |
| * to achieve desired rate. |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| enum pm_ret_status pm_clock_setdivider(unsigned int clock_id, |
| unsigned int divider) |
| { |
| enum pm_ret_status status; |
| enum pm_node_id nid; |
| enum pm_clock_div_id div_id; |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| const uint32_t div0 = 0xFFFF0000; |
| const uint32_t div1 = 0x0000FFFF; |
| uint32_t val; |
| |
| /* Get PLL node ID using PLL clock ID */ |
| status = pm_clock_get_pll_node_id(clock_id, &nid); |
| if (status == PM_RET_SUCCESS) |
| return pm_pll_set_parameter(nid, PM_PLL_PARAM_FBDIV, divider); |
| |
| /* Check if clock ID is a valid on-chip clock */ |
| status = pm_clock_id_is_valid(clock_id); |
| if (status != PM_RET_SUCCESS) |
| return status; |
| |
| if (div0 == (divider & div0)) { |
| div_id = PM_CLOCK_DIV0_ID; |
| val = divider & ~div0; |
| } else if (div1 == (divider & div1)) { |
| div_id = PM_CLOCK_DIV1_ID; |
| val = (divider & ~div1) >> 16; |
| } else { |
| return PM_RET_ERROR_ARGS; |
| } |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD4(payload, PM_CLOCK_SETDIVIDER, clock_id, div_id, val); |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| } |
| |
| /** |
| * pm_clock_getdivider - Get the clock divider for given id |
| * @clock_id: Id of the clock |
| * @divider: divider value |
| * |
| * This function is used by master to get divider values |
| * for any clock. |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| enum pm_ret_status pm_clock_getdivider(unsigned int clock_id, |
| unsigned int *divider) |
| { |
| enum pm_ret_status status; |
| enum pm_node_id nid; |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| uint32_t val; |
| |
| /* Get PLL node ID using PLL clock ID */ |
| status = pm_clock_get_pll_node_id(clock_id, &nid); |
| if (status == PM_RET_SUCCESS) |
| return pm_pll_get_parameter(nid, PM_PLL_PARAM_FBDIV, divider); |
| |
| /* Check if clock ID is a valid on-chip clock */ |
| status = pm_clock_id_is_valid(clock_id); |
| if (status != PM_RET_SUCCESS) |
| return status; |
| |
| if (pm_clock_has_div(clock_id, PM_CLOCK_DIV0_ID)) { |
| /* Send request to the PMU to get div0 */ |
| PM_PACK_PAYLOAD3(payload, PM_CLOCK_GETDIVIDER, clock_id, |
| PM_CLOCK_DIV0_ID); |
| status = pm_ipi_send_sync(primary_proc, payload, &val, 1); |
| if (status != PM_RET_SUCCESS) |
| return status; |
| *divider = val; |
| } |
| |
| if (pm_clock_has_div(clock_id, PM_CLOCK_DIV1_ID)) { |
| /* Send request to the PMU to get div1 */ |
| PM_PACK_PAYLOAD3(payload, PM_CLOCK_GETDIVIDER, clock_id, |
| PM_CLOCK_DIV1_ID); |
| status = pm_ipi_send_sync(primary_proc, payload, &val, 1); |
| if (status != PM_RET_SUCCESS) |
| return status; |
| *divider |= val << 16; |
| } |
| |
| return status; |
| } |
| |
| /** |
| * pm_clock_setrate - Set the clock rate for given id |
| * @clock_id: Id of the clock |
| * @rate: rate value in hz |
| * |
| * This function is used by master to set rate for any clock. |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| enum pm_ret_status pm_clock_setrate(unsigned int clock_id, |
| uint64_t rate) |
| { |
| return PM_RET_ERROR_NOTSUPPORTED; |
| } |
| |
| /** |
| * pm_clock_getrate - Get the clock rate for given id |
| * @clock_id: Id of the clock |
| * @rate: rate value in hz |
| * |
| * This function is used by master to get rate |
| * for any clock. |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| enum pm_ret_status pm_clock_getrate(unsigned int clock_id, |
| uint64_t *rate) |
| { |
| return PM_RET_ERROR_NOTSUPPORTED; |
| } |
| |
| /** |
| * pm_clock_setparent - Set the clock parent for given id |
| * @clock_id: Id of the clock |
| * @parent_index: Index of the parent clock into clock's parents array |
| * |
| * This function is used by master to set parent for any clock. |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| enum pm_ret_status pm_clock_setparent(unsigned int clock_id, |
| unsigned int parent_index) |
| { |
| struct pm_pll *pll; |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| enum pm_ret_status status; |
| |
| /* First try to handle it as a PLL */ |
| pll = pm_clock_get_pll_by_related_clk(clock_id); |
| if (pll) |
| return pm_clock_pll_set_parent(pll, clock_id, parent_index); |
| |
| /* Check if clock ID is a valid on-chip clock */ |
| status = pm_clock_id_is_valid(clock_id); |
| if (status != PM_RET_SUCCESS) |
| return status; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD3(payload, PM_CLOCK_SETPARENT, clock_id, parent_index); |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| } |
| |
| /** |
| * pm_clock_getparent - Get the clock parent for given id |
| * @clock_id: Id of the clock |
| * @parent_index: parent index |
| * |
| * This function is used by master to get parent index |
| * for any clock. |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| enum pm_ret_status pm_clock_getparent(unsigned int clock_id, |
| unsigned int *parent_index) |
| { |
| struct pm_pll *pll; |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| enum pm_ret_status status; |
| |
| /* First try to handle it as a PLL */ |
| pll = pm_clock_get_pll_by_related_clk(clock_id); |
| if (pll) |
| return pm_clock_pll_get_parent(pll, clock_id, parent_index); |
| |
| /* Check if clock ID is a valid on-chip clock */ |
| status = pm_clock_id_is_valid(clock_id); |
| if (status != PM_RET_SUCCESS) |
| return status; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD2(payload, PM_CLOCK_GETPARENT, clock_id); |
| return pm_ipi_send_sync(primary_proc, payload, parent_index, 1); |
| } |
| |
| /** |
| * pm_pinctrl_get_num_pins - PM call to request number of pins |
| * @npins: Number of pins |
| * |
| * This function is used by master to get number of pins |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| static enum pm_ret_status pm_pinctrl_get_num_pins(uint32_t *npins) |
| { |
| return pm_api_pinctrl_get_num_pins(npins); |
| } |
| |
| /** |
| * pm_pinctrl_get_num_functions - PM call to request number of functions |
| * @nfuncs: Number of functions |
| * |
| * This function is used by master to get number of functions |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| static enum pm_ret_status pm_pinctrl_get_num_functions(uint32_t *nfuncs) |
| { |
| return pm_api_pinctrl_get_num_functions(nfuncs); |
| } |
| |
| /** |
| * pm_pinctrl_get_num_function_groups - PM call to request number of |
| * function groups |
| * @fid: Id of function |
| * @ngroups: Number of function groups |
| * |
| * This function is used by master to get number of function groups specified |
| * by given function Id |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| static enum pm_ret_status pm_pinctrl_get_num_function_groups(unsigned int fid, |
| uint32_t *ngroups) |
| { |
| return pm_api_pinctrl_get_num_func_groups(fid, ngroups); |
| } |
| |
| /** |
| * pm_pinctrl_get_function_name - PM call to request function name |
| * @fid: Id of function |
| * @name: Name of function |
| * |
| * This function is used by master to get name of function specified |
| * by given function Id |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| static enum pm_ret_status pm_pinctrl_get_function_name(unsigned int fid, |
| char *name) |
| { |
| return pm_api_pinctrl_get_function_name(fid, name); |
| } |
| |
| /** |
| * pm_pinctrl_get_function_groups - PM call to request function groups |
| * @fid: Id of function |
| * @index: Index of next function groups |
| * @groups: Function groups |
| * |
| * This function is used by master to get function groups specified |
| * by given function Id. This API will return 6 function groups with |
| * a single response. To get other function groups, master should call |
| * same API in loop with new function groups index till error is returned. |
| * |
| * E.g First call should have index 0 which will return function groups |
| * 0, 1, 2, 3, 4 and 5. Next call, index should be 6 which will return |
| * function groups 6, 7, 8, 9, 10 and 11 and so on. |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| static enum pm_ret_status pm_pinctrl_get_function_groups(unsigned int fid, |
| unsigned int index, |
| uint16_t *groups) |
| { |
| return pm_api_pinctrl_get_function_groups(fid, index, groups); |
| } |
| |
| /** |
| * pm_pinctrl_get_pin_groups - PM call to request pin groups |
| * @pin_id: Id of pin |
| * @index: Index of next pin groups |
| * @groups: pin groups |
| * |
| * This function is used by master to get pin groups specified |
| * by given pin Id. This API will return 6 pin groups with |
| * a single response. To get other pin groups, master should call |
| * same API in loop with new pin groups index till error is returned. |
| * |
| * E.g First call should have index 0 which will return pin groups |
| * 0, 1, 2, 3, 4 and 5. Next call, index should be 6 which will return |
| * pin groups 6, 7, 8, 9, 10 and 11 and so on. |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| static enum pm_ret_status pm_pinctrl_get_pin_groups(unsigned int pin_id, |
| unsigned int index, |
| uint16_t *groups) |
| { |
| return pm_api_pinctrl_get_pin_groups(pin_id, index, groups); |
| } |
| |
| /** |
| * pm_query_data() - PM API for querying firmware data |
| * @arg1 Argument 1 to requested IOCTL call |
| * @arg2 Argument 2 to requested IOCTL call |
| * @arg3 Argument 3 to requested IOCTL call |
| * @arg4 Argument 4 to requested IOCTL call |
| * @data Returned output data |
| * |
| * This function returns requested data. |
| * |
| * @return Returns status, either success or error+reason |
| */ |
| enum pm_ret_status pm_query_data(enum pm_query_id qid, |
| unsigned int arg1, |
| unsigned int arg2, |
| unsigned int arg3, |
| unsigned int *data) |
| { |
| enum pm_ret_status ret; |
| |
| switch (qid) { |
| case PM_QID_CLOCK_GET_NAME: |
| ret = pm_clock_get_name(arg1, (char *)data); |
| break; |
| case PM_QID_CLOCK_GET_TOPOLOGY: |
| ret = pm_clock_get_topology(arg1, arg2, &data[1]); |
| data[0] = (unsigned int)ret; |
| break; |
| case PM_QID_CLOCK_GET_FIXEDFACTOR_PARAMS: |
| ret = pm_clock_get_fixedfactor_params(arg1, &data[1], &data[2]); |
| data[0] = (unsigned int)ret; |
| break; |
| case PM_QID_CLOCK_GET_PARENTS: |
| ret = pm_clock_get_parents(arg1, arg2, &data[1]); |
| data[0] = (unsigned int)ret; |
| break; |
| case PM_QID_CLOCK_GET_ATTRIBUTES: |
| ret = pm_clock_get_attributes(arg1, &data[1]); |
| data[0] = (unsigned int)ret; |
| break; |
| case PM_QID_PINCTRL_GET_NUM_PINS: |
| ret = pm_pinctrl_get_num_pins(&data[1]); |
| data[0] = (unsigned int)ret; |
| break; |
| case PM_QID_PINCTRL_GET_NUM_FUNCTIONS: |
| ret = pm_pinctrl_get_num_functions(&data[1]); |
| data[0] = (unsigned int)ret; |
| break; |
| case PM_QID_PINCTRL_GET_NUM_FUNCTION_GROUPS: |
| ret = pm_pinctrl_get_num_function_groups(arg1, &data[1]); |
| data[0] = (unsigned int)ret; |
| break; |
| case PM_QID_PINCTRL_GET_FUNCTION_NAME: |
| ret = pm_pinctrl_get_function_name(arg1, (char *)data); |
| break; |
| case PM_QID_PINCTRL_GET_FUNCTION_GROUPS: |
| ret = pm_pinctrl_get_function_groups(arg1, arg2, |
| (uint16_t *)&data[1]); |
| data[0] = (unsigned int)ret; |
| break; |
| case PM_QID_PINCTRL_GET_PIN_GROUPS: |
| ret = pm_pinctrl_get_pin_groups(arg1, arg2, |
| (uint16_t *)&data[1]); |
| data[0] = (unsigned int)ret; |
| break; |
| case PM_QID_CLOCK_GET_NUM_CLOCKS: |
| ret = pm_clock_get_num_clocks(&data[1]); |
| data[0] = (unsigned int)ret; |
| break; |
| default: |
| ret = PM_RET_ERROR_ARGS; |
| WARN("Unimplemented query service call: 0x%x\n", qid); |
| break; |
| } |
| |
| return ret; |
| } |
| |
| enum pm_ret_status pm_sha_hash(uint32_t address_high, |
| uint32_t address_low, |
| uint32_t size, |
| uint32_t flags) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD5(payload, PM_SECURE_SHA, address_high, address_low, |
| size, flags); |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| } |
| |
| enum pm_ret_status pm_rsa_core(uint32_t address_high, |
| uint32_t address_low, |
| uint32_t size, |
| uint32_t flags) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD5(payload, PM_SECURE_RSA, address_high, address_low, |
| size, flags); |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| } |
| |
| enum pm_ret_status pm_secure_image(uint32_t address_low, |
| uint32_t address_high, |
| uint32_t key_lo, |
| uint32_t key_hi, |
| uint32_t *value) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD5(payload, PM_SECURE_IMAGE, address_high, address_low, |
| key_hi, key_lo); |
| return pm_ipi_send_sync(primary_proc, payload, value, 2); |
| } |
| |
| /** |
| * pm_fpga_read - Perform the fpga configuration readback |
| * |
| * @reg_numframes: Configuration register offset (or) Number of frames to read |
| * @address_low: lower 32-bit Linear memory space address |
| * @address_high: higher 32-bit Linear memory space address |
| * @readback_type: Type of fpga readback operation |
| * 0 -- Configuration Register readback |
| * 1 -- Configuration Data readback |
| * @value: Value to read |
| * |
| * This function provides access to the xilfpga library to read |
| * the PL configuration. |
| * |
| * Return: Returns status, either success or error+reason. |
| */ |
| enum pm_ret_status pm_fpga_read(uint32_t reg_numframes, |
| uint32_t address_low, |
| uint32_t address_high, |
| uint32_t readback_type, |
| uint32_t *value) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD5(payload, PM_FPGA_READ, reg_numframes, address_low, |
| address_high, readback_type); |
| return pm_ipi_send_sync(primary_proc, payload, value, 1); |
| } |
| |
| /* |
| * pm_pll_set_parameter() - Set the PLL parameter value |
| * @nid Node id of the target PLL |
| * @param_id ID of the PLL parameter |
| * @value Parameter value to be set |
| * |
| * Setting the parameter will have physical effect once the PLL mode is set to |
| * integer or fractional. |
| * |
| * @return Error if an argument is not valid or status as returned by the |
| * PM controller (PMU) |
| */ |
| enum pm_ret_status pm_pll_set_parameter(enum pm_node_id nid, |
| enum pm_pll_param param_id, |
| unsigned int value) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Check if given node ID is a PLL node */ |
| if (nid < NODE_APLL || nid > NODE_IOPLL) |
| return PM_RET_ERROR_ARGS; |
| |
| /* Check if parameter ID is valid and return an error if it's not */ |
| if (param_id >= PM_PLL_PARAM_MAX) |
| return PM_RET_ERROR_ARGS; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD4(payload, PM_PLL_SET_PARAMETER, nid, param_id, value); |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| } |
| |
| /** |
| * pm_pll_get_parameter() - Get the PLL parameter value |
| * @nid Node id of the target PLL |
| * @param_id ID of the PLL parameter |
| * @value Location to store the parameter value |
| * |
| * @return Error if an argument is not valid or status as returned by the |
| * PM controller (PMU) |
| */ |
| enum pm_ret_status pm_pll_get_parameter(enum pm_node_id nid, |
| enum pm_pll_param param_id, |
| unsigned int *value) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Check if given node ID is a PLL node */ |
| if (nid < NODE_APLL || nid > NODE_IOPLL) |
| return PM_RET_ERROR_ARGS; |
| |
| /* Check if parameter ID is valid and return an error if it's not */ |
| if (param_id >= PM_PLL_PARAM_MAX) |
| return PM_RET_ERROR_ARGS; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD3(payload, PM_PLL_GET_PARAMETER, nid, param_id); |
| return pm_ipi_send_sync(primary_proc, payload, value, 1); |
| } |
| |
| /** |
| * pm_pll_set_mode() - Set the PLL mode |
| * @nid Node id of the target PLL |
| * @mode PLL mode to be set |
| * |
| * If reset mode is set the PM controller will first bypass the PLL and then |
| * assert the reset. If integer or fractional mode is set the PM controller will |
| * ensure that the complete PLL programming sequence is satisfied. After this |
| * function returns success the PLL is locked and its bypass is deasserted. |
| * |
| * @return Error if an argument is not valid or status as returned by the |
| * PM controller (PMU) |
| */ |
| enum pm_ret_status pm_pll_set_mode(enum pm_node_id nid, enum pm_pll_mode mode) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Check if given node ID is a PLL node */ |
| if (nid < NODE_APLL || nid > NODE_IOPLL) |
| return PM_RET_ERROR_ARGS; |
| |
| /* Check if PLL mode is valid */ |
| if (mode >= PM_PLL_MODE_MAX) |
| return PM_RET_ERROR_ARGS; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD3(payload, PM_PLL_SET_MODE, nid, mode); |
| return pm_ipi_send_sync(primary_proc, payload, NULL, 0); |
| } |
| |
| /** |
| * pm_pll_get_mode() - Get the PLL mode |
| * @nid Node id of the target PLL |
| * @mode Location to store the mode of the PLL |
| * |
| * @return Error if an argument is not valid or status as returned by the |
| * PM controller (PMU) |
| */ |
| enum pm_ret_status pm_pll_get_mode(enum pm_node_id nid, enum pm_pll_mode *mode) |
| { |
| uint32_t payload[PAYLOAD_ARG_CNT]; |
| |
| /* Check if given node ID is a PLL node */ |
| if (nid < NODE_APLL || nid > NODE_IOPLL) |
| return PM_RET_ERROR_ARGS; |
| |
| /* Send request to the PMU */ |
| PM_PACK_PAYLOAD2(payload, PM_PLL_GET_MODE, nid); |
| return pm_ipi_send_sync(primary_proc, payload, mode, 1); |
| } |