esp-idf/components/hal/esp32p4/include/hal/cpu_utility_ll.h

61 lines
1.8 KiB
C

/*
* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include "soc/soc.h"
#include "soc/soc_caps.h"
#include "soc/lp_clkrst_struct.h"
#include "soc/pmu_struct.h"
#include "soc/hp_system_reg.h"
#include "esp_attr.h"
#include "hal/misc.h"
#ifdef __cplusplus
extern "C" {
#endif
FORCE_INLINE_ATTR void cpu_utility_ll_reset_cpu(uint32_t cpu_no)
{
if (cpu_no == 0) {
LP_AON_CLKRST.hpcpu_reset_ctrl0.hpcore0_sw_reset = 1;
} else {
LP_AON_CLKRST.hpcpu_reset_ctrl0.hpcore1_sw_reset = 1;
}
}
#if SOC_CPU_CORES_NUM > 1 // We only allow stalling/unstalling of other cores
FORCE_INLINE_ATTR void cpu_utility_ll_stall_cpu(uint32_t cpu_no)
{
if (cpu_no == 0) {
HAL_FORCE_MODIFY_U32_REG_FIELD(PMU.cpu_sw_stall, hpcore0_stall_code, 0x86);
while(!REG_GET_BIT(HP_SYSTEM_CPU_CORESTALLED_ST_REG, HP_SYSTEM_REG_CORE0_CORESTALLED_ST));
} else {
HAL_FORCE_MODIFY_U32_REG_FIELD(PMU.cpu_sw_stall, hpcore1_stall_code, 0x86);
while(!REG_GET_BIT(HP_SYSTEM_CPU_CORESTALLED_ST_REG, HP_SYSTEM_REG_CORE1_CORESTALLED_ST));
}
}
FORCE_INLINE_ATTR void cpu_utility_ll_unstall_cpu(uint32_t cpu_no)
{
if (cpu_no == 0) {
HAL_FORCE_MODIFY_U32_REG_FIELD(PMU.cpu_sw_stall, hpcore0_stall_code, 0xFF);
while(REG_GET_BIT(HP_SYSTEM_CPU_CORESTALLED_ST_REG, HP_SYSTEM_REG_CORE0_CORESTALLED_ST));
} else {
HAL_FORCE_MODIFY_U32_REG_FIELD(PMU.cpu_sw_stall, hpcore1_stall_code, 0xFF);
while(REG_GET_BIT(HP_SYSTEM_CPU_CORESTALLED_ST_REG, HP_SYSTEM_REG_CORE1_CORESTALLED_ST));
}
}
#endif // SOC_CPU_CORES_NUM > 1
FORCE_INLINE_ATTR uint32_t cpu_utility_ll_wait_mode(void)
{
return REG_GET_BIT(HP_SYSTEM_CPU_WAITI_CONF_REG, HP_SYSTEM_CPU_WAIT_MODE_FORCE_ON);
}
#ifdef __cplusplus
}
#endif