1 // Copyright 2020 Espressif Systems (Shanghai) PTE LTD
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 #pragma once
15 
16 #include "soc/soc.h"
17 #include "soc/rtc_cntl_reg.h"
18 #include "soc/soc_caps.h"
19 #include "soc/rtc.h"
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 
soc_ll_stall_core(int core)25 static inline void soc_ll_stall_core(int core)
26 {
27     const int rtc_cntl_c1_m[SOC_CPU_CORES_NUM] = {RTC_CNTL_SW_STALL_PROCPU_C1_M, RTC_CNTL_SW_STALL_APPCPU_C1_M};
28     const int rtc_cntl_c1_s[SOC_CPU_CORES_NUM] = {RTC_CNTL_SW_STALL_PROCPU_C1_S, RTC_CNTL_SW_STALL_APPCPU_C1_S};
29     const int rtc_cntl_c0_m[SOC_CPU_CORES_NUM] = {RTC_CNTL_SW_STALL_PROCPU_C0_M, RTC_CNTL_SW_STALL_APPCPU_C0_M};
30     const int rtc_cntl_c0_s[SOC_CPU_CORES_NUM] = {RTC_CNTL_SW_STALL_PROCPU_C0_S, RTC_CNTL_SW_STALL_APPCPU_C0_S};
31 
32     CLEAR_PERI_REG_MASK(RTC_CNTL_SW_CPU_STALL_REG, rtc_cntl_c1_m[core]);
33     SET_PERI_REG_MASK(RTC_CNTL_SW_CPU_STALL_REG, 0x21 << rtc_cntl_c1_s[core]);
34     CLEAR_PERI_REG_MASK(RTC_CNTL_OPTIONS0_REG, rtc_cntl_c0_m[core]);
35     SET_PERI_REG_MASK(RTC_CNTL_OPTIONS0_REG, 2 << rtc_cntl_c0_s[core]);
36 }
37 
soc_ll_unstall_core(int core)38 static inline void soc_ll_unstall_core(int core)
39 {
40     const int rtc_cntl_c1_m[SOC_CPU_CORES_NUM] = {RTC_CNTL_SW_STALL_PROCPU_C1_M, RTC_CNTL_SW_STALL_APPCPU_C1_M};
41     const int rtc_cntl_c0_m[SOC_CPU_CORES_NUM] = {RTC_CNTL_SW_STALL_PROCPU_C0_M, RTC_CNTL_SW_STALL_APPCPU_C0_M};
42     CLEAR_PERI_REG_MASK(RTC_CNTL_SW_CPU_STALL_REG, rtc_cntl_c1_m[core]);
43     CLEAR_PERI_REG_MASK(RTC_CNTL_OPTIONS0_REG, rtc_cntl_c0_m[core]);
44 }
45 
soc_ll_reset_core(int core)46 static inline void soc_ll_reset_core(int core)
47 {
48     SET_PERI_REG_MASK(RTC_CNTL_OPTIONS0_REG,
49             core == 0 ? RTC_CNTL_SW_PROCPU_RST_M : RTC_CNTL_SW_APPCPU_RST_M);
50 }
51 
52 #ifdef __cplusplus
53 }
54 #endif
55