1 /*
2 * Copyright (c) 2024 Nordic Semiconductor ASA
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 *
6 * Note that the function prototypes are taken from the NRFx HAL
7 */
8 #include "hal/nrf_ccm.h"
9 #include "bs_tracing.h"
10 #include "NHW_54_AAR_CCM_ECB.h"
11
ccm_inst_from_ptr(NRF_CCM_Type * p_reg)12 static int ccm_inst_from_ptr(NRF_CCM_Type * p_reg)
13 {
14 union NRF_AARCCM_regs *p = (union NRF_AARCCM_regs *)p_reg;
15
16 int i = ( (int)p - (int)NRF_AARCCM_regs ) / sizeof(union NRF_AARCCM_Type);
17 return i;
18 }
19
nrf_ccm_task_trigger(NRF_CCM_Type * p_reg,nrf_ccm_task_t task)20 void nrf_ccm_task_trigger(NRF_CCM_Type * p_reg, nrf_ccm_task_t task)
21 {
22 int inst = ccm_inst_from_ptr(p_reg);
23 *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)task)) = 0x1UL;
24
25 if (task == NRF_CCM_TASK_START) {
26 nhw_CCM_regw_sideeffects_TASKS_START(inst);
27 } else if (task == NRF_CCM_TASK_STOP) {
28 nhw_CCM_regw_sideeffects_TASKS_STOP(inst);
29 } else if (task == NRF_CCM_TASK_RATEOVERRIDE) {
30 nhw_CCM_regw_sideeffects_TASKS_RATEOVERRIDE(inst);
31 } else {
32 bs_trace_error_line_time("Not supported task started in nrf_ccm\n");
33 }
34 }
35
nrf_ccm_int_enable(NRF_CCM_Type * p_reg,uint32_t mask)36 void nrf_ccm_int_enable(NRF_CCM_Type * p_reg, uint32_t mask)
37 {
38 int inst = ccm_inst_from_ptr(p_reg);
39 p_reg->INTENSET = mask;
40 nhw_CCM_regw_sideeffects_INTENSET(inst);
41 }
42
nrf_ccm_int_disable(NRF_CCM_Type * p_reg,uint32_t mask)43 void nrf_ccm_int_disable(NRF_CCM_Type * p_reg, uint32_t mask)
44 {
45 int inst = ccm_inst_from_ptr(p_reg);
46 p_reg->INTENCLR = mask;
47 nhw_CCM_regw_sideeffects_INTENCLR(inst);
48 }
49
nrf_ccm_enable(NRF_CCM_Type * p_reg)50 void nrf_ccm_enable(NRF_CCM_Type * p_reg)
51 {
52 int inst = ccm_inst_from_ptr(p_reg);
53 p_reg->ENABLE = CCM_ENABLE_ENABLE_Enabled << CCM_ENABLE_ENABLE_Pos;
54 nhw_AARCCM_regw_sideeffects_ENABLE(inst);
55 }
56
nrf_ccm_disable(NRF_CCM_Type * p_reg)57 void nrf_ccm_disable(NRF_CCM_Type * p_reg)
58 {
59 int inst = ccm_inst_from_ptr(p_reg);
60 p_reg->ENABLE = (CCM_ENABLE_ENABLE_Disabled << CCM_ENABLE_ENABLE_Pos);
61 nhw_AARCCM_regw_sideeffects_ENABLE(inst);
62 }
63
nrf_ccm_event_clear(NRF_CCM_Type * p_reg,nrf_ccm_event_t event)64 void nrf_ccm_event_clear(NRF_CCM_Type * p_reg, nrf_ccm_event_t event)
65 {
66 int inst = ccm_inst_from_ptr(p_reg);
67 *((volatile uint32_t *)((uint8_t *)p_reg + (uint32_t)event)) = 0x0UL;
68 nhw_CCM_regw_sideeffects_EVENTS_all(inst);
69 }
70
nrf_ccm_subscribe_common(NRF_CCM_Type * p_reg,nrf_ccm_task_t task)71 static void nrf_ccm_subscribe_common(NRF_CCM_Type * p_reg,
72 nrf_ccm_task_t task)
73 {
74 int inst = ccm_inst_from_ptr(p_reg);
75
76 if (task == NRF_CCM_TASK_START) {
77 nhw_CCM_regw_sideeffects_SUBSCRIBE_START(inst);
78 } else if (task == NRF_CCM_TASK_STOP) {
79 nhw_CCM_regw_sideeffects_SUBSCRIBE_STOP(inst);
80 } else if (task == NRF_CCM_TASK_RATEOVERRIDE) {
81 nhw_CCM_regw_sideeffects_SUBSCRIBE_RATEOVERRIDE(inst);
82 } else {
83 bs_trace_error_line_time("Attempted to subscribe to an not-supported task in the nrf_ccm (%i)\n",
84 task);
85 }
86 }
87
nrf_ccm_subscribe_set(NRF_CCM_Type * p_reg,nrf_ccm_task_t task,uint8_t channel)88 void nrf_ccm_subscribe_set(NRF_CCM_Type * p_reg,
89 nrf_ccm_task_t task,
90 uint8_t channel)
91 {
92 *((volatile uint32_t *) ((uint8_t *) p_reg + (uint32_t) task + 0x80uL)) =
93 ((uint32_t)channel | NRF_SUBSCRIBE_PUBLISH_ENABLE);
94 nrf_ccm_subscribe_common(p_reg, task);
95 }
96
nrf_ccm_subscribe_clear(NRF_CCM_Type * p_reg,nrf_ccm_task_t task)97 void nrf_ccm_subscribe_clear(NRF_CCM_Type * p_reg,
98 nrf_ccm_task_t task)
99 {
100 *((volatile uint32_t *) ((uint8_t *) p_reg + (uint32_t) task + 0x80uL)) = 0;
101 nrf_ccm_subscribe_common(p_reg, task);
102 }
103
