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/*
* Copyright (c) 2021 HPMicro
*
* SPDX-License-Identifier: BSD-3-Clause
*
*/
#include "hpm_pcfg_drv.h"
#include "hpm_soc_feature.h"
#define PCFG_CURRENT_MEASUREMENT_STEP (50U)
#define HPM_PMU_DRV_RETRY_COUNT (5000U)
hpm_stat_t pcfg_ldo1p1_set_voltage(PCFG_Type *ptr, uint16_t mv)
{
if ((mv < PCFG_SOC_LDO1P1_MIN_VOLTAGE_IN_MV)
|| (mv > PCFG_SOC_LDO1P1_MAX_VOLTAGE_IN_MV)) {
return status_pcfg_ldo_out_of_range;
}
ptr->LDO1P1 = (ptr->LDO1P1 & ~PCFG_LDO1P1_VOLT_MASK) | PCFG_LDO1P1_VOLT_SET(mv);
return status_success;
}
hpm_stat_t pcfg_ldo2p5_set_voltage(PCFG_Type *ptr, uint16_t mv)
{
uint32_t retry = 0;
if ((mv < PCFG_SOC_LDO2P5_MIN_VOLTAGE_IN_MV)
|| (mv > PCFG_SOC_LDO2P5_MAX_VOLTAGE_IN_MV)) {
return status_pcfg_ldo_out_of_range;
}
ptr->LDO2P5 &= ~PCFG_LDO2P5_ENABLE_MASK;
ptr->LDO2P5 = PCFG_LDO2P5_ENABLE_MASK | PCFG_LDO2P5_VOLT_SET(mv);
while (!PCFG_LDO2P5_READY_GET(ptr->LDO2P5)) {
if (retry > HPM_PMU_DRV_RETRY_COUNT) {
break;
}
retry++;
}
if (retry > HPM_PMU_DRV_RETRY_COUNT) {
return status_timeout;
}
return status_success;
}
uint16_t pcfg_dcdc_get_current_level(PCFG_Type *ptr)
{
uint32_t retry = 0;
while (!pcfg_dcdc_is_measure_current_valid(ptr)) {
if (retry > HPM_PMU_DRV_RETRY_COUNT) {
break;
}
retry++;
}
if (retry > HPM_PMU_DRV_RETRY_COUNT) {
return 0;
}
return PCFG_DCDC_CURRENT_LEVEL_GET(ptr->DCDC_CURRENT) * PCFG_CURRENT_MEASUREMENT_STEP;
}
hpm_stat_t pcfg_dcdc_set_voltage(PCFG_Type *ptr, uint16_t mv)
{
hpm_stat_t stat = status_success;
if ((mv < PCFG_SOC_DCDC_MIN_VOLTAGE_IN_MV) || (mv > PCFG_SOC_DCDC_MAX_VOLTAGE_IN_MV)) {
return status_invalid_argument;
}
ptr->DCDC_MODE = (ptr->DCDC_MODE & ~PCFG_DCDC_MODE_VOLT_MASK) | PCFG_DCDC_MODE_VOLT_SET(mv);
return stat;
}
#define PCFG_RC24M_FREQ (24000000UL)
void pcfg_irc24m_config_track(PCFG_Type *ptr, pcfg_irc24m_config_t *config)
{
uint32_t calculated_freq;
uint16_t mul = 1;
uint16_t div = 1;
if (!(config->freq_in_hz < PCFG_RC24M_FREQ)) {
/* calculate div */
div = PCFG_RC24M_FREQ / config->freq_in_hz;
}
calculated_freq = PCFG_RC24M_FREQ / div;
while (calculated_freq < config->freq_in_hz) {
calculated_freq *= (mul++);
}
ptr->TRACK_TARGET = PCFG_TRACK_TARGET_PRE_DIV_SET(div - 1)
| PCFG_TRACK_TARGET_TARGET_SET(mul - 1);
ptr->RC24M_TRACK = PCFG_RC24M_TRACK_SEL24M_SET(config->reference)
| PCFG_RC24M_TRACK_RETURN_SET(config->return_to_default_on_xtal_loss)
| PCFG_RC24M_TRACK_TRACK_SET(config->free_run);
}
hpm_stat_t pcfg_dcdc_set_lpmode_voltage(PCFG_Type *ptr, uint16_t mv)
{
hpm_stat_t stat = status_success;
if ((mv < PCFG_SOC_DCDC_MIN_VOLTAGE_IN_MV) || (mv > PCFG_SOC_DCDC_MAX_VOLTAGE_IN_MV)) {
return status_invalid_argument;
}
ptr->DCDC_LPMODE = (ptr->DCDC_LPMODE & ~PCFG_DCDC_LPMODE_STBY_VOLT_MASK) | PCFG_DCDC_LPMODE_STBY_VOLT_SET(mv);
return stat;
}
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