Merge changes I18d47384,Icc3c7424,I73f20d82,I07325644,Iff10ad26, ... into integration

* changes:
  fix(zynqmp): query node status to power up APU
  feat(zynqmp): pm_api_clock_get_num_clocks cleanup
  feat(zynqmp): add feature check support
  fix(zynqmp): use common interface for eemi apis
  feat(zynqmp): add support to get info of xilfpga
  feat(zynqmp): pass ioctl calls to firmware
This commit is contained in:
Madhukar Pappireddy 2022-03-08 16:29:49 +01:00 committed by TrustedFirmware Code Review
commit 4cb2ec2ad2
8 changed files with 598 additions and 477 deletions

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2013-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -33,6 +33,8 @@ static int zynqmp_pwr_domain_on(u_register_t mpidr)
{
unsigned int cpu_id = plat_core_pos_by_mpidr(mpidr);
const struct pm_proc *proc;
uint32_t buff[3];
enum pm_ret_status ret;
VERBOSE("%s: mpidr: 0x%lx\n", __func__, mpidr);
@ -40,6 +42,13 @@ static int zynqmp_pwr_domain_on(u_register_t mpidr)
return PSCI_E_INTERN_FAIL;
proc = pm_get_proc(cpu_id);
/* Check the APU proc status before wakeup */
ret = pm_get_node_status(proc->node_id, buff);
if ((ret != PM_RET_SUCCESS) || (buff[0] == PM_PROC_STATE_SUSPENDING)) {
return PSCI_E_INTERN_FAIL;
}
/* Clear power down request */
pm_client_wakeup(proc);

View File

@ -2443,8 +2443,6 @@ enum pm_ret_status pm_api_clock_get_num_clocks(unsigned int *nclocks)
*
* This function is used by master to get nmae of clock specified
* by given clock ID.
*
* @return Returns success. In case of error, name data is 0.
*/
void pm_api_clock_get_name(unsigned int clock_id, char *name)
{

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2018-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -618,6 +618,7 @@ enum pm_ret_status pm_api_ioctl(enum pm_node_id nid,
unsigned int *value)
{
enum pm_ret_status ret;
uint32_t payload[PAYLOAD_ARG_CNT];
switch (ioctl_id) {
case IOCTL_GET_RPU_OPER_MODE:
@ -677,14 +678,57 @@ enum pm_ret_status pm_api_ioctl(enum pm_node_id nid,
case IOCTL_AFI:
ret = pm_ioctl_afi(arg1, arg2);
break;
case IOCTL_SET_FEATURE_CONFIG:
case IOCTL_GET_FEATURE_CONFIG:
ret = pm_feature_config(ioctl_id, arg1, arg2, value);
break;
default:
ret = PM_RET_ERROR_NOTSUPPORTED;
/* Send request to the PMU */
PM_PACK_PAYLOAD5(payload, PM_IOCTL, nid, ioctl_id, arg1, arg2);
ret = pm_ipi_send_sync(primary_proc, payload, value, 1);
break;
}
return ret;
}
/**
* pm_update_ioctl_bitmask() - API to get supported IOCTL ID mask
* @bit_mask Returned bit mask of supported IOCTL IDs
*/
enum pm_ret_status atf_ioctl_bitmask(uint32_t *bit_mask)
{
uint8_t supported_ids[] = {
IOCTL_GET_RPU_OPER_MODE,
IOCTL_SET_RPU_OPER_MODE,
IOCTL_RPU_BOOT_ADDR_CONFIG,
IOCTL_TCM_COMB_CONFIG,
IOCTL_SET_TAPDELAY_BYPASS,
IOCTL_SET_SGMII_MODE,
IOCTL_SD_DLL_RESET,
IOCTL_SET_SD_TAPDELAY,
IOCTL_SET_PLL_FRAC_MODE,
IOCTL_GET_PLL_FRAC_MODE,
IOCTL_SET_PLL_FRAC_DATA,
IOCTL_GET_PLL_FRAC_DATA,
IOCTL_WRITE_GGS,
IOCTL_READ_GGS,
IOCTL_WRITE_PGGS,
IOCTL_READ_PGGS,
IOCTL_ULPI_RESET,
IOCTL_SET_BOOT_HEALTH_STATUS,
IOCTL_AFI,
};
uint8_t i, ioctl_id;
int ret;
for (i = 0U; i < ARRAY_SIZE(supported_ids); i++) {
ioctl_id = supported_ids[i];
if (ioctl_id >= 64U) {
return PM_RET_ERROR_NOTSUPPORTED;
}
ret = check_api_dependency(ioctl_id);
if (ret == PM_RET_SUCCESS) {
bit_mask[ioctl_id / 32] |= BIT(ioctl_id % 32);
}
}
return PM_RET_SUCCESS;
}

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2018-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -49,9 +49,6 @@ enum {
IOCTL_AIE_ISR_CLEAR = 24,
/* Register SGI to ATF */
IOCTL_REGISTER_SGI = 25,
/* Runtime feature configuration */
IOCTL_SET_FEATURE_CONFIG = 26,
IOCTL_GET_FEATURE_CONFIG = 27,
};
//RPU operation mode
@ -95,4 +92,5 @@ enum pm_ret_status pm_api_ioctl(enum pm_node_id nid,
unsigned int arg1,
unsigned int arg2,
unsigned int *value);
enum pm_ret_status atf_ioctl_bitmask(uint32_t *bit_mask);
#endif /* PM_API_IOCTL_H */

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2013-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -20,6 +20,225 @@
#include "pm_common.h"
#include "pm_ipi.h"
#define PM_QUERY_FEATURE_BITMASK ( \
(1ULL << (uint64_t)PM_QID_CLOCK_GET_NAME) | \
(1ULL << (uint64_t)PM_QID_CLOCK_GET_TOPOLOGY) | \
(1ULL << (uint64_t)PM_QID_CLOCK_GET_FIXEDFACTOR_PARAMS) | \
(1ULL << (uint64_t)PM_QID_CLOCK_GET_PARENTS) | \
(1ULL << (uint64_t)PM_QID_CLOCK_GET_ATTRIBUTES) | \
(1ULL << (uint64_t)PM_QID_PINCTRL_GET_NUM_PINS) | \
(1ULL << (uint64_t)PM_QID_PINCTRL_GET_NUM_FUNCTIONS) | \
(1ULL << (uint64_t)PM_QID_PINCTRL_GET_NUM_FUNCTION_GROUPS) | \
(1ULL << (uint64_t)PM_QID_PINCTRL_GET_FUNCTION_NAME) | \
(1ULL << (uint64_t)PM_QID_PINCTRL_GET_FUNCTION_GROUPS) | \
(1ULL << (uint64_t)PM_QID_PINCTRL_GET_PIN_GROUPS) | \
(1ULL << (uint64_t)PM_QID_CLOCK_GET_NUM_CLOCKS) | \
(1ULL << (uint64_t)PM_QID_CLOCK_GET_MAX_DIVISOR))
/**
* struct eemi_api_dependency - Dependent EEMI APIs which are implemented
* on both the ATF and firmware
*
* @id: EEMI API id or IOCTL id to be checked
* @api_id: Dependent EEMI API
*/
typedef struct __attribute__((packed)) {
uint8_t id;
uint8_t api_id;
} eemi_api_dependency;
/* Dependent APIs for ATF to check their version from firmware */
static const eemi_api_dependency api_dep_table[] = {
{
.id = PM_SELF_SUSPEND,
.api_id = PM_SELF_SUSPEND,
},
{
.id = PM_REQ_WAKEUP,
.api_id = PM_REQ_WAKEUP,
},
{
.id = PM_ABORT_SUSPEND,
.api_id = PM_ABORT_SUSPEND,
},
{
.id = PM_SET_WAKEUP_SOURCE,
.api_id = PM_SET_WAKEUP_SOURCE,
},
{
.id = PM_SYSTEM_SHUTDOWN,
.api_id = PM_SYSTEM_SHUTDOWN,
},
{
.id = PM_GET_API_VERSION,
.api_id = PM_GET_API_VERSION,
},
{
.id = PM_CLOCK_ENABLE,
.api_id = PM_PLL_SET_MODE,
},
{
.id = PM_CLOCK_ENABLE,
.api_id = PM_CLOCK_ENABLE,
},
{
.id = PM_CLOCK_DISABLE,
.api_id = PM_PLL_SET_MODE,
},
{
.id = PM_CLOCK_DISABLE,
.api_id = PM_CLOCK_DISABLE,
},
{
.id = PM_CLOCK_GETSTATE,
.api_id = PM_PLL_GET_MODE,
},
{
.id = PM_CLOCK_GETSTATE,
.api_id = PM_CLOCK_GETSTATE,
},
{
.id = PM_CLOCK_SETDIVIDER,
.api_id = PM_PLL_SET_PARAMETER,
},
{
.id = PM_CLOCK_SETDIVIDER,
.api_id = PM_CLOCK_SETDIVIDER,
},
{
.id = PM_CLOCK_GETDIVIDER,
.api_id = PM_PLL_GET_PARAMETER,
},
{
.id = PM_CLOCK_GETDIVIDER,
.api_id = PM_CLOCK_GETDIVIDER,
},
{
.id = PM_CLOCK_SETPARENT,
.api_id = PM_PLL_SET_PARAMETER,
},
{
.id = PM_CLOCK_SETPARENT,
.api_id = PM_CLOCK_SETPARENT,
},
{
.id = PM_CLOCK_GETPARENT,
.api_id = PM_PLL_GET_PARAMETER,
},
{
.id = PM_CLOCK_GETPARENT,
.api_id = PM_CLOCK_GETPARENT,
},
{
.id = PM_PLL_SET_PARAMETER,
.api_id = PM_PLL_SET_PARAMETER,
},
{
.id = PM_PLL_GET_PARAMETER,
.api_id = PM_PLL_GET_PARAMETER,
},
{
.id = PM_PLL_SET_MODE,
.api_id = PM_PLL_SET_MODE,
},
{
.id = PM_PLL_GET_MODE,
.api_id = PM_PLL_GET_MODE,
},
{
.id = PM_REGISTER_ACCESS,
.api_id = PM_MMIO_WRITE,
},
{
.id = PM_REGISTER_ACCESS,
.api_id = PM_MMIO_READ,
},
{
.id = PM_FEATURE_CHECK,
.api_id = PM_FEATURE_CHECK,
},
{
.id = IOCTL_SET_TAPDELAY_BYPASS,
.api_id = PM_MMIO_WRITE,
},
{
.id = IOCTL_SET_SGMII_MODE,
.api_id = PM_MMIO_WRITE,
},
{
.id = IOCTL_SD_DLL_RESET,
.api_id = PM_MMIO_WRITE,
},
{
.id = IOCTL_SET_SD_TAPDELAY,
.api_id = PM_MMIO_WRITE,
},
{
.id = IOCTL_SET_SD_TAPDELAY,
.api_id = PM_MMIO_READ,
},
{
.id = IOCTL_SET_PLL_FRAC_DATA,
.api_id = PM_PLL_SET_PARAMETER,
},
{
.id = IOCTL_GET_PLL_FRAC_DATA,
.api_id = PM_PLL_GET_PARAMETER,
},
{
.id = IOCTL_WRITE_GGS,
.api_id = PM_MMIO_WRITE,
},
{
.id = IOCTL_READ_GGS,
.api_id = PM_MMIO_READ,
},
{
.id = IOCTL_WRITE_PGGS,
.api_id = PM_MMIO_WRITE,
},
{
.id = IOCTL_READ_PGGS,
.api_id = PM_MMIO_READ,
},
{
.id = IOCTL_ULPI_RESET,
.api_id = PM_MMIO_WRITE,
},
{
.id = IOCTL_SET_BOOT_HEALTH_STATUS,
.api_id = PM_MMIO_WRITE,
},
{
.id = IOCTL_AFI,
.api_id = PM_MMIO_WRITE,
},
};
/* Expected firmware API version to ATF */
static const uint8_t atf_expected_ver_id[] = {
[PM_SELF_SUSPEND] = FW_API_BASE_VERSION,
[PM_REQ_WAKEUP] = FW_API_BASE_VERSION,
[PM_ABORT_SUSPEND] = FW_API_BASE_VERSION,
[PM_SET_WAKEUP_SOURCE] = FW_API_BASE_VERSION,
[PM_SYSTEM_SHUTDOWN] = FW_API_BASE_VERSION,
[PM_GET_API_VERSION] = FW_API_BASE_VERSION,
[PM_PLL_SET_MODE] = FW_API_BASE_VERSION,
[PM_PLL_GET_MODE] = FW_API_BASE_VERSION,
[PM_CLOCK_ENABLE] = FW_API_BASE_VERSION,
[PM_CLOCK_DISABLE] = FW_API_BASE_VERSION,
[PM_CLOCK_GETSTATE] = FW_API_BASE_VERSION,
[PM_PLL_SET_PARAMETER] = FW_API_BASE_VERSION,
[PM_PLL_GET_PARAMETER] = FW_API_BASE_VERSION,
[PM_CLOCK_SETDIVIDER] = FW_API_BASE_VERSION,
[PM_CLOCK_GETDIVIDER] = FW_API_BASE_VERSION,
[PM_CLOCK_SETPARENT] = FW_API_BASE_VERSION,
[PM_CLOCK_GETPARENT] = FW_API_BASE_VERSION,
[PM_MMIO_WRITE] = FW_API_BASE_VERSION,
[PM_MMIO_READ] = FW_API_BASE_VERSION,
[PM_FEATURE_CHECK] = FW_API_VERSION_2,
};
/* default shutdown/reboot scope is system(2) */
static unsigned int pm_shutdown_scope = PMF_SHUTDOWN_SUBTYPE_SYSTEM;
@ -33,38 +252,6 @@ 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); \
}
#define EM_PACK_PAYLOAD1(pl, arg0) { \
pl[0] = (uint16_t)(0xE) << 16 | (uint16_t)arg0; \
}
@ -305,36 +492,6 @@ enum pm_ret_status pm_set_requirement(enum pm_node_id nid,
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_sync(primary_proc, payload, NULL, 0);
}
/**
* 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_sync(primary_proc, payload, NULL, 0);
}
/* Miscellaneous API functions */
/**
@ -352,36 +509,6 @@ enum pm_ret_status pm_get_api_version(unsigned int *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)
{
uint32_t payload[PAYLOAD_ARG_CNT];
PM_PACK_PAYLOAD2(payload, PM_SET_CONFIGURATION, phys_addr);
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
}
/**
* 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
@ -401,86 +528,6 @@ enum pm_ret_status pm_get_node_status(enum pm_node_id 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_sync(primary_proc, payload, NULL, 0);
}
/**
* 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
@ -649,113 +696,6 @@ void pm_get_callbackdata(uint32_t *data, size_t count)
pm_ipi_irq_clear(primary_proc);
}
/**
* 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)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMU */
PM_PACK_PAYLOAD2(payload, PM_PINCTRL_REQUEST, pin);
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
}
/**
* 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)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMU */
PM_PACK_PAYLOAD2(payload, PM_PINCTRL_RELEASE, pin);
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
}
/**
* pm_pinctrl_get_function() - Read function id set for the given pin
* @pin Pin number
* @fid 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, unsigned int *fid)
{
uint32_t payload[PAYLOAD_ARG_CNT];
PM_PACK_PAYLOAD2(payload, PM_PINCTRL_GET_FUNCTION, pin);
return pm_ipi_send_sync(primary_proc, payload, fid, 1);
}
/**
* pm_pinctrl_set_function() - Set function id set for the given pin
* @pin Pin number
* @fid ID of function to set for given pin
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_pinctrl_set_function(unsigned int pin, unsigned int fid)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMU */
PM_PACK_PAYLOAD3(payload, PM_PINCTRL_SET_FUNCTION, pin, fid);
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
}
/**
* 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)
{
uint32_t payload[PAYLOAD_ARG_CNT];
PM_PACK_PAYLOAD3(payload, PM_PINCTRL_CONFIG_PARAM_GET, pin, param);
return pm_ipi_send_sync(primary_proc, payload, value, 1);
}
/**
* pm_pinctrl_set_config() - Set value of requested config param for given pin
* @pin Pin number
* @param Parameter to set
* @value Parameter value to set
*
* @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)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMU */
PM_PACK_PAYLOAD4(payload, PM_PINCTRL_CONFIG_PARAM_SET, pin, param,
value);
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
}
/**
* pm_ioctl() - PM IOCTL API for device control and configs
* @node_id Node ID of the device
@ -777,6 +717,220 @@ enum pm_ret_status pm_ioctl(enum pm_node_id nid,
return pm_api_ioctl(nid, ioctl_id, arg1, arg2, value);
}
/**
* fw_api_version() - Returns API version implemented in firmware
* @api_id API ID to check
* @version Returned supported API version
* @len Number of words to be returned
*
* @return Returns status, either success or error+reason
*/
static enum pm_ret_status fw_api_version(uint32_t id, uint32_t *version,
uint32_t len)
{
uint32_t payload[PAYLOAD_ARG_CNT];
PM_PACK_PAYLOAD2(payload, PM_FEATURE_CHECK, id);
return pm_ipi_send_sync(primary_proc, payload, version, len);
}
/**
* check_api_dependency() - API to check dependent EEMI API version
* @id EEMI API ID to check
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status check_api_dependency(uint8_t id)
{
uint8_t i;
uint32_t version;
int ret;
for (i = 0U; i < ARRAY_SIZE(api_dep_table); i++) {
if (api_dep_table[i].id == id) {
if (api_dep_table[i].api_id == 0U) {
break;
}
ret = fw_api_version(api_dep_table[i].api_id,
&version, 1);
if (ret != PM_RET_SUCCESS) {
return ret;
}
/* Check if fw version matches ATF expected version */
if (version != atf_expected_ver_id[api_dep_table[i].api_id]) {
return PM_RET_ERROR_NOTSUPPORTED;
}
}
}
return PM_RET_SUCCESS;
}
/**
* feature_check_atf() - These are API's completely implemented in ATF
* @api_id API ID to check
* @version Returned supported API version
*
* @return Returns status, either success or error+reason
*/
static enum pm_ret_status feature_check_atf(uint32_t api_id, uint32_t *version,
uint32_t *bit_mask)
{
switch (api_id) {
case PM_QUERY_DATA:
*version = ATF_API_BASE_VERSION;
bit_mask[0] = (uint32_t)(PM_QUERY_FEATURE_BITMASK);
bit_mask[1] = (uint32_t)(PM_QUERY_FEATURE_BITMASK >> 32);
return PM_RET_SUCCESS;
case PM_GET_CALLBACK_DATA:
case PM_GET_TRUSTZONE_VERSION:
case PM_SET_SUSPEND_MODE:
*version = ATF_API_BASE_VERSION;
return PM_RET_SUCCESS;
default:
return PM_RET_ERROR_NO_FEATURE;
}
}
/**
* get_atf_version_for_partial_apis() - Return ATF version for partially
* implemented APIs
* @api_id API ID to check
* @version Returned supported API version
*
* @return Returns status, either success or error+reason
*/
static enum pm_ret_status get_atf_version_for_partial_apis(uint32_t api_id,
uint32_t *version)
{
switch (api_id) {
case PM_SELF_SUSPEND:
case PM_REQ_WAKEUP:
case PM_ABORT_SUSPEND:
case PM_SET_WAKEUP_SOURCE:
case PM_SYSTEM_SHUTDOWN:
case PM_GET_API_VERSION:
case PM_CLOCK_ENABLE:
case PM_CLOCK_DISABLE:
case PM_CLOCK_GETSTATE:
case PM_CLOCK_SETDIVIDER:
case PM_CLOCK_GETDIVIDER:
case PM_CLOCK_SETPARENT:
case PM_CLOCK_GETPARENT:
case PM_PLL_SET_PARAMETER:
case PM_PLL_GET_PARAMETER:
case PM_PLL_SET_MODE:
case PM_PLL_GET_MODE:
case PM_REGISTER_ACCESS:
*version = ATF_API_BASE_VERSION;
return PM_RET_SUCCESS;
case PM_FEATURE_CHECK:
*version = FW_API_VERSION_2;
return PM_RET_SUCCESS;
default:
return PM_RET_ERROR_ARGS;
}
}
/**
* feature_check_partial() - These are API's partially implemented in
* ATF and firmware both
* @api_id API ID to check
* @version Returned supported API version
*
* @return Returns status, either success or error+reason
*/
static enum pm_ret_status feature_check_partial(uint32_t api_id,
uint32_t *version)
{
uint32_t status;
switch (api_id) {
case PM_SELF_SUSPEND:
case PM_REQ_WAKEUP:
case PM_ABORT_SUSPEND:
case PM_SET_WAKEUP_SOURCE:
case PM_SYSTEM_SHUTDOWN:
case PM_GET_API_VERSION:
case PM_CLOCK_ENABLE:
case PM_CLOCK_DISABLE:
case PM_CLOCK_GETSTATE:
case PM_CLOCK_SETDIVIDER:
case PM_CLOCK_GETDIVIDER:
case PM_CLOCK_SETPARENT:
case PM_CLOCK_GETPARENT:
case PM_PLL_SET_PARAMETER:
case PM_PLL_GET_PARAMETER:
case PM_PLL_SET_MODE:
case PM_PLL_GET_MODE:
case PM_REGISTER_ACCESS:
case PM_FEATURE_CHECK:
status = check_api_dependency(api_id);
if (status != PM_RET_SUCCESS) {
return status;
}
return get_atf_version_for_partial_apis(api_id, version);
default:
return PM_RET_ERROR_NO_FEATURE;
}
}
/**
* pm_feature_check() - Returns the supported API version if supported
* @api_id API ID to check
* @version Returned supported API version
* @bit_mask Returned supported IOCTL id version
* @len Number of bytes to be returned in bit_mask variable
*
* @return Returns status, either success or error+reason
*/
enum pm_ret_status pm_feature_check(uint32_t api_id, uint32_t *version,
uint32_t *bit_mask, uint8_t len)
{
uint32_t ret_payload[PAYLOAD_ARG_CNT] = {0U};
uint32_t status;
/* Get API version implemented in ATF */
status = feature_check_atf(api_id, version, bit_mask);
if (status != PM_RET_ERROR_NO_FEATURE) {
return status;
}
/* Get API version implemented by firmware and ATF both */
status = feature_check_partial(api_id, version);
if (status != PM_RET_ERROR_NO_FEATURE) {
return status;
}
/* Get API version implemented by firmware */
status = fw_api_version(api_id, ret_payload, 3);
/* IOCTL call may return failure whose ID is not implemented in
* firmware but implemented in ATF
*/
if ((api_id != PM_IOCTL) && (status != PM_RET_SUCCESS)) {
return status;
}
*version = ret_payload[0];
/* Update IOCTL bit mask which are implemented in ATF */
if (api_id == PM_IOCTL) {
if (len < 2) {
return PM_RET_ERROR_ARGS;
}
bit_mask[0] = ret_payload[1];
bit_mask[1] = ret_payload[2];
/* Get IOCTL's implemented by ATF */
status = atf_ioctl_bitmask(bit_mask);
} else {
/* Requires for MISRA */
}
return status;
}
/**
* pm_clock_get_max_divisor - PM call to get max divisor
* @clock_id Clock ID
@ -1648,36 +1802,3 @@ enum pm_ret_status em_send_errors(unsigned int *value)
EM_PACK_PAYLOAD1(payload, EM_SEND_ERRORS);
return pm_ipi_send_sync(primary_proc, payload, value, 1);
}
/**
* pm_feature_config() - feature configuration at runtime
*
* This function is used to send IPI request to PMUFW to configure feature
* at runtime. The feature can be enable or disable as well as the feature
* can be configure at runtime using an IOCTL call.
*
* @ioctl_id The ioctl id for the feature configuration
* @config_id The config id of the feature to be configured
* @value The value to be configured
* @response Return to reference pointer
*
* @return Returns 0 on success or error value on failure
*/
enum pm_ret_status pm_feature_config(unsigned int ioctl_id,
unsigned int config_id,
unsigned int value,
unsigned int *response)
{
uint32_t payload[PAYLOAD_ARG_CNT];
/* Send request to the PMU */
PM_PACK_PAYLOAD5(payload, PM_IOCTL, 0, ioctl_id, config_id, value);
if (ioctl_id == IOCTL_GET_FEATURE_CONFIG) {
return pm_ipi_send_sync(primary_proc, payload, response, 1);
} else if (ioctl_id == IOCTL_SET_FEATURE_CONFIG) {
return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
} else {
return PM_RET_ERROR_ARGS;
}
}

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2013-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -33,6 +33,38 @@ enum pm_register_access_id {
CONFIG_REG_READ,
};
/**
* 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); \
}
/**********************************************************
* System-level API function declarations
**********************************************************/
@ -72,28 +104,16 @@ enum pm_ret_status pm_req_node(enum pm_node_id nid,
unsigned int capabilities,
unsigned int qos,
enum pm_request_ack ack);
enum pm_ret_status pm_release_node(enum pm_node_id nid);
enum pm_ret_status pm_set_requirement(enum pm_node_id nid,
unsigned int capabilities,
unsigned int qos,
enum pm_request_ack ack);
enum pm_ret_status pm_set_max_latency(enum pm_node_id nid,
unsigned int latency);
/* Miscellaneous API functions */
enum pm_ret_status pm_get_api_version(unsigned int *version);
enum pm_ret_status pm_set_configuration(unsigned int phys_addr);
enum pm_ret_status pm_init_finalize(void);
enum pm_ret_status pm_get_node_status(enum pm_node_id node,
uint32_t *ret_buff);
enum pm_ret_status pm_register_notifier(enum pm_node_id nid,
unsigned int event,
unsigned int wake,
unsigned int enable);
enum pm_ret_status pm_get_op_characteristic(enum pm_node_id nid,
enum pm_opchar_type type,
uint32_t *result);
enum pm_ret_status pm_acknowledge_cb(enum pm_node_id nid,
enum pm_ret_status status,
unsigned int oppoint);
@ -102,10 +122,6 @@ enum pm_ret_status pm_notify_cb(enum pm_node_id nid,
unsigned int oppoint);
/* Direct-Control API functions */
enum pm_ret_status pm_reset_assert(unsigned int reset_id,
unsigned int assert);
enum pm_ret_status pm_reset_get_status(unsigned int reset_id,
unsigned int *reset_status);
enum pm_ret_status pm_mmio_write(uintptr_t address,
unsigned int mask,
unsigned int value);
@ -123,18 +139,6 @@ enum pm_ret_status pm_secure_rsaaes(uint32_t address_high,
uint32_t flags);
unsigned int pm_get_shutdown_scope(void);
void pm_get_callbackdata(uint32_t *data, size_t count);
enum pm_ret_status pm_pinctrl_request(unsigned int pin);
enum pm_ret_status pm_pinctrl_release(unsigned int pin);
enum pm_ret_status pm_pinctrl_get_function(unsigned int pin,
enum pm_node_id *nid);
enum pm_ret_status pm_pinctrl_set_function(unsigned int pin,
enum pm_node_id nid);
enum pm_ret_status pm_pinctrl_get_config(unsigned int pin,
unsigned int param,
unsigned int *value);
enum pm_ret_status pm_pinctrl_set_config(unsigned int pin,
unsigned int param,
unsigned int value);
enum pm_ret_status pm_ioctl(enum pm_node_id nid,
unsigned int ioctl_id,
unsigned int arg1,
@ -206,5 +210,8 @@ enum pm_ret_status pm_feature_config(unsigned int ioctl_id,
unsigned int config_id,
unsigned int value,
unsigned int *response);
enum pm_ret_status pm_feature_check(uint32_t api_id, uint32_t *version,
uint32_t *bit_mask, uint8_t len);
enum pm_ret_status check_api_dependency(uint8_t id);
#endif /* PM_API_SYS_H */

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2013-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -22,6 +22,16 @@
#define PM_VERSION ((PM_VERSION_MAJOR << 16) | PM_VERSION_MINOR)
/**
* PM API versions
*/
/* Expected version of firmware APIs */
#define FW_API_BASE_VERSION (1U)
/* Expected version of firmware API for feature check */
#define FW_API_VERSION_2 (2U)
/* Version of APIs implemented in ATF */
#define ATF_API_BASE_VERSION (1U)
/* Capabilities for RAM */
#define PM_CAP_ACCESS 0x1U
#define PM_CAP_CONTEXT 0x2U
@ -33,7 +43,18 @@
#define PM_STATE_CPU_IDLE 0x0U
#define PM_STATE_SUSPEND_TO_RAM 0xFU
/* APU processor states */
#define PM_PROC_STATE_FORCEDOFF 0U
#define PM_PROC_STATE_ACTIVE 1U
#define PM_PROC_STATE_SLEEP 2U
#define PM_PROC_STATE_SUSPENDING 3U
#define EM_FUNID_NUM_MASK 0xF0000U
#define PM_GET_CALLBACK_DATA 0xa01
#define PM_SET_SUSPEND_MODE 0xa02
#define PM_GET_TRUSTZONE_VERSION 0xa03
/*********************************************************************
* Enum definitions
********************************************************************/
@ -101,6 +122,9 @@ enum pm_api_id {
/* PM Register Access API */
PM_REGISTER_ACCESS,
PM_EFUSE_ACCESS,
PM_FPGA_GET_VERSION,
PM_FPGA_GET_FEATURE_LIST,
PM_FEATURE_CHECK = 63,
PM_API_MAX
};
@ -241,7 +265,8 @@ enum pm_ret_status {
PM_RET_ERROR_DOUBLE_REQ = 2004,
PM_RET_ERROR_ABORT_SUSPEND = 2005,
PM_RET_ERROR_TIMEOUT = 2006,
PM_RET_ERROR_NODE_USED = 2007
PM_RET_ERROR_NODE_USED = 2007,
PM_RET_ERROR_NO_FEATURE = 2008
};
/**

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2013-2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -23,12 +23,9 @@
#include <plat_private.h>
#include "pm_api_sys.h"
#include "pm_client.h"
#include "pm_defs.h"
#include "pm_ipi.h"
#define PM_GET_CALLBACK_DATA 0xa01
#define PM_SET_SUSPEND_MODE 0xa02
#define PM_GET_TRUSTZONE_VERSION 0xa03
/* pm_up = !0 - UP, pm_up = 0 - DOWN */
static int32_t pm_up, ipi_irq_flag;
@ -262,8 +259,11 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
uint64_t x4, void *cookie, void *handle, uint64_t flags)
{
enum pm_ret_status ret;
uint32_t payload[PAYLOAD_ARG_CNT];
uint32_t pm_arg[4];
uint32_t result[PAYLOAD_ARG_CNT];
uint32_t api_id;
/* Handle case where PM wasn't initialized properly */
if (!pm_up)
@ -273,8 +273,11 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
pm_arg[1] = (uint32_t)(x1 >> 32);
pm_arg[2] = (uint32_t)x2;
pm_arg[3] = (uint32_t)(x2 >> 32);
pm_arg[4] = (uint32_t)x3;
switch (smc_fid & FUNCID_NUM_MASK) {
api_id = smc_fid & FUNCID_NUM_MASK;
switch (api_id) {
/* PM API Functions */
case PM_SELF_SUSPEND:
ret = pm_self_suspend(pm_arg[0], pm_arg[1], pm_arg[2],
@ -318,19 +321,11 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
ret = pm_req_node(pm_arg[0], pm_arg[1], pm_arg[2], pm_arg[3]);
SMC_RET1(handle, (uint64_t)ret);
case PM_RELEASE_NODE:
ret = pm_release_node(pm_arg[0]);
SMC_RET1(handle, (uint64_t)ret);
case PM_SET_REQUIREMENT:
ret = pm_set_requirement(pm_arg[0], pm_arg[1], pm_arg[2],
pm_arg[3]);
SMC_RET1(handle, (uint64_t)ret);
case PM_SET_MAX_LATENCY:
ret = pm_set_max_latency(pm_arg[0], pm_arg[1]);
SMC_RET1(handle, (uint64_t)ret);
case PM_GET_API_VERSION:
/* Check is PM API version already verified */
if (pm_ctx.api_version >= PM_VERSION) {
@ -348,62 +343,6 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
((uint64_t)pm_ctx.api_version << 32));
}
case PM_SET_CONFIGURATION:
ret = pm_set_configuration(pm_arg[0]);
SMC_RET1(handle, (uint64_t)ret);
case PM_INIT_FINALIZE:
ret = pm_init_finalize();
SMC_RET1(handle, (uint64_t)ret);
case PM_GET_NODE_STATUS:
{
uint32_t buff[3];
ret = pm_get_node_status(pm_arg[0], buff);
SMC_RET2(handle, (uint64_t)ret | ((uint64_t)buff[0] << 32),
(uint64_t)buff[1] | ((uint64_t)buff[2] << 32));
}
case PM_GET_OP_CHARACTERISTIC:
{
uint32_t result;
ret = pm_get_op_characteristic(pm_arg[0], pm_arg[1], &result);
SMC_RET1(handle, (uint64_t)ret | ((uint64_t)result << 32));
}
case PM_REGISTER_NOTIFIER:
ret = pm_register_notifier(pm_arg[0], pm_arg[1], pm_arg[2],
pm_arg[3]);
SMC_RET1(handle, (uint64_t)ret);
case PM_RESET_ASSERT:
ret = pm_reset_assert(pm_arg[0], pm_arg[1]);
SMC_RET1(handle, (uint64_t)ret);
case PM_RESET_GET_STATUS:
{
uint32_t reset_status;
ret = pm_reset_get_status(pm_arg[0], &reset_status);
SMC_RET1(handle, (uint64_t)ret |
((uint64_t)reset_status << 32));
}
/* PM memory access functions */
case PM_MMIO_WRITE:
ret = pm_mmio_write(pm_arg[0], pm_arg[1], pm_arg[2]);
SMC_RET1(handle, (uint64_t)ret);
case PM_MMIO_READ:
{
uint32_t value;
ret = pm_mmio_read(pm_arg[0], &value);
SMC_RET1(handle, (uint64_t)ret | ((uint64_t)value) << 32);
}
case PM_FPGA_LOAD:
ret = pm_fpga_load(pm_arg[0], pm_arg[1], pm_arg[2], pm_arg[3]);
SMC_RET1(handle, (uint64_t)ret);
@ -416,62 +355,16 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
SMC_RET1(handle, (uint64_t)ret | ((uint64_t)value) << 32);
}
case PM_GET_CHIPID:
{
uint32_t result[2];
ret = pm_get_chipid(result);
SMC_RET2(handle, (uint64_t)ret | ((uint64_t)result[0] << 32),
result[1]);
}
case PM_SECURE_RSA_AES:
ret = pm_secure_rsaaes(pm_arg[0], pm_arg[1], pm_arg[2],
pm_arg[3]);
SMC_RET1(handle, (uint64_t)ret);
case PM_GET_CALLBACK_DATA:
{
uint32_t result[4] = {0};
pm_get_callbackdata(result, ARRAY_SIZE(result));
SMC_RET2(handle,
(uint64_t)result[0] | ((uint64_t)result[1] << 32),
(uint64_t)result[2] | ((uint64_t)result[3] << 32));
}
case PM_PINCTRL_REQUEST:
ret = pm_pinctrl_request(pm_arg[0]);
SMC_RET1(handle, (uint64_t)ret);
case PM_PINCTRL_RELEASE:
ret = pm_pinctrl_release(pm_arg[0]);
SMC_RET1(handle, (uint64_t)ret);
case PM_PINCTRL_GET_FUNCTION:
{
uint32_t value = 0;
ret = pm_pinctrl_get_function(pm_arg[0], &value);
SMC_RET1(handle, (uint64_t)ret | ((uint64_t)value) << 32);
}
case PM_PINCTRL_SET_FUNCTION:
ret = pm_pinctrl_set_function(pm_arg[0], pm_arg[1]);
SMC_RET1(handle, (uint64_t)ret);
case PM_PINCTRL_CONFIG_PARAM_GET:
{
uint32_t value;
ret = pm_pinctrl_get_config(pm_arg[0], pm_arg[1], &value);
SMC_RET1(handle, (uint64_t)ret | ((uint64_t)value) << 32);
}
case PM_PINCTRL_CONFIG_PARAM_SET:
ret = pm_pinctrl_set_config(pm_arg[0], pm_arg[1], pm_arg[2]);
SMC_RET1(handle, (uint64_t)ret);
case PM_IOCTL:
{
uint32_t value;
@ -568,8 +461,6 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
case PM_SECURE_IMAGE:
{
uint32_t result[2];
ret = pm_secure_image(pm_arg[0], pm_arg[1], pm_arg[2],
pm_arg[3], &result[0]);
SMC_RET2(handle, (uint64_t)ret | ((uint64_t)result[0] << 32),
@ -634,9 +525,37 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
SMC_RET1(handle, (uint64_t)ret | ((uint64_t)value) << 32);
}
case PM_FPGA_GET_VERSION:
case PM_FPGA_GET_FEATURE_LIST:
{
uint32_t ret_payload[PAYLOAD_ARG_CNT];
PM_PACK_PAYLOAD5(payload, smc_fid & FUNCID_NUM_MASK,
pm_arg[0], pm_arg[1], pm_arg[2], pm_arg[3]);
ret = pm_ipi_send_sync(primary_proc, payload, ret_payload, 3U);
SMC_RET2(handle, (uint64_t)ret | (uint64_t)ret_payload[0] << 32,
(uint64_t)ret_payload[1] | (uint64_t)ret_payload[2] << 32);
}
case PM_FEATURE_CHECK:
{
uint32_t version;
uint32_t bit_mask[2] = {0};
ret = pm_feature_check(pm_arg[0], &version, bit_mask,
ARRAY_SIZE(bit_mask));
SMC_RET2(handle, (uint64_t)ret | ((uint64_t)version << 32),
(uint64_t)bit_mask[0] | ((uint64_t)bit_mask[1] << 32));
}
default:
WARN("Unimplemented PM Service Call: 0x%x\n", smc_fid);
SMC_RET1(handle, SMC_UNK);
/* Send request to the PMU */
PM_PACK_PAYLOAD6(payload, api_id, pm_arg[0], pm_arg[1],
pm_arg[2], pm_arg[3], pm_arg[4]);
ret = pm_ipi_send_sync(primary_proc, payload, result,
PAYLOAD_ARG_CNT);
SMC_RET2(handle, (uint64_t)ret | ((uint64_t)result[0] << 32),
(uint64_t)result[1] | ((uint64_t)result[2] << 32));
}
}