1 /*
2 * Copyright 2018,2019 ,2021 NXP
3 * All rights reserved.
4 *
5 *
6 * SPDX-License-Identifier: BSD-3-Clause
7 */
8
9 /*
10 * How to set up clock using clock driver functions:
11 *
12 * 1. Setup clock sources.
13 *
14 * 2. Set up all dividers.
15 *
16 * 3. Set up all selectors to provide selected clocks.
17 */
18
19 /* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
20 !!GlobalInfo
21 product: Clocks v7.0
22 processor: LPC804
23 package_id: LPC804M101JDH24
24 mcu_data: ksdk2_0
25 processor_version: 9.0.0
26 board: LPCXpresso804
27 * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
28
29 #include "fsl_power.h"
30 #include "fsl_clock.h"
31 #include "clock_config.h"
32
33 /*******************************************************************************
34 * Definitions
35 ******************************************************************************/
36
37 /*******************************************************************************
38 * Variables
39 ******************************************************************************/
40 /* System clock frequency. */
41 extern uint32_t SystemCoreClock;
42
43 /*******************************************************************************
44 ************************ BOARD_InitBootClocks function ************************
45 ******************************************************************************/
BOARD_InitBootClocks(void)46 void BOARD_InitBootClocks(void)
47 {
48 BOARD_BootClockFRO30M();
49 }
50
51 /*******************************************************************************
52 ******************** Configuration BOARD_BootClockFRO18M **********************
53 ******************************************************************************/
54 /* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
55 !!Configuration
56 name: BOARD_BootClockFRO18M
57 outputs:
58 - {id: FROHF_clock.outFreq, value: 18 MHz}
59 - {id: LowPower_clock.outFreq, value: 1 MHz}
60 - {id: System_clock.outFreq, value: 9 MHz}
61 - {id: WWDT_clock.outFreq, value: 1 MHz}
62 - {id: divto750k_clock.outFreq, value: 750 kHz}
63 sources:
64 - {id: SYSCON.fro_osc.outFreq, value: 18 MHz}
65 * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
66
67 /*******************************************************************************
68 * Variables for BOARD_BootClockFRO18M configuration
69 ******************************************************************************/
70 /*******************************************************************************
71 * Code for BOARD_BootClockFRO18M configuration
72 ******************************************************************************/
BOARD_BootClockFRO18M(void)73 void BOARD_BootClockFRO18M(void)
74 {
75 /*!< Set up the clock sources */
76 /*!< Set up FRO */
77 POWER_DisablePD(kPDRUNCFG_PD_FRO_OUT); /*!< Ensure FRO OUT is on */
78 POWER_DisablePD(kPDRUNCFG_PD_FRO); /*!< Ensure FRO is on */
79 CLOCK_SetFroOscFreq(kCLOCK_FroOscOut18M); /*!< Set up FRO freq */
80 POWER_DisablePD(kPDRUNCFG_PD_LPOSC); /*!< Ensure LPOSC is on */
81 CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcFro); /*!< select fro for main clock */
82 CLOCK_Select(kFRG0_Clk_From_Fro); /*!< select fro for frg0 */
83 CLOCK_SetFRG0ClkFreq(9000000U); /*!< select frg0 freq */
84 CLOCK_Select(kCLKOUT_From_Fro); /*!< select FRO for CLKOUT */
85 CLOCK_Select(kADC_Clk_From_Fro); /*!< select FRO for ADC */
86 CLOCK_SetCoreSysClkDiv(1U);
87 /*!< Set SystemCoreClock variable. */
88 SystemCoreClock = BOARD_BOOTCLOCKFRO18M_CORE_CLOCK;
89 }
90
91 /*******************************************************************************
92 ******************** Configuration BOARD_BootClockFRO24M **********************
93 ******************************************************************************/
94 /* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
95 !!Configuration
96 name: BOARD_BootClockFRO24M
97 outputs:
98 - {id: FROHF_clock.outFreq, value: 24 MHz}
99 - {id: LowPower_clock.outFreq, value: 1 MHz}
100 - {id: System_clock.outFreq, value: 12 MHz}
101 - {id: WWDT_clock.outFreq, value: 1 MHz}
102 - {id: divto750k_clock.outFreq, value: 750 kHz}
103 sources:
104 - {id: SYSCON.fro_osc.outFreq, value: 24 MHz}
105 * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
106
107 /*******************************************************************************
108 * Variables for BOARD_BootClockFRO24M configuration
109 ******************************************************************************/
110 /*******************************************************************************
111 * Code for BOARD_BootClockFRO24M configuration
112 ******************************************************************************/
BOARD_BootClockFRO24M(void)113 void BOARD_BootClockFRO24M(void)
114 {
115 /*!< Set up the clock sources */
116 /*!< Set up FRO */
117 POWER_DisablePD(kPDRUNCFG_PD_FRO_OUT); /*!< Ensure FRO OUT is on */
118 POWER_DisablePD(kPDRUNCFG_PD_FRO); /*!< Ensure FRO is on */
119 CLOCK_SetFroOscFreq(kCLOCK_FroOscOut24M); /*!< Set up FRO freq */
120 POWER_DisablePD(kPDRUNCFG_PD_LPOSC); /*!< Ensure LPOSC is on */
121 CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcFro); /*!< select fro for main clock */
122 CLOCK_Select(kFRG0_Clk_From_Fro); /*!< select fro for frg0 */
123 CLOCK_SetFRG0ClkFreq(12000000U); /*!< select frg0 freq */
124 CLOCK_Select(kCLKOUT_From_Fro); /*!< select FRO for CLKOUT */
125 CLOCK_Select(kADC_Clk_From_Fro); /*!< select FRO for ADC */
126 CLOCK_SetCoreSysClkDiv(1U);
127 /*!< Set SystemCoreClock variable. */
128 SystemCoreClock = BOARD_BOOTCLOCKFRO24M_CORE_CLOCK;
129 }
130
131 /*******************************************************************************
132 ******************** Configuration BOARD_BootClockFRO30M **********************
133 ******************************************************************************/
134 /* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
135 !!Configuration
136 name: BOARD_BootClockFRO30M
137 called_from_default_init: true
138 outputs:
139 - {id: FROHF_clock.outFreq, value: 30 MHz}
140 - {id: LowPower_clock.outFreq, value: 1 MHz}
141 - {id: System_clock.outFreq, value: 15 MHz}
142 - {id: WWDT_clock.outFreq, value: 1 MHz}
143 - {id: divto750k_clock.outFreq, value: 750 kHz}
144 * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
145
146 /*******************************************************************************
147 * Variables for BOARD_BootClockFRO30M configuration
148 ******************************************************************************/
149 /*******************************************************************************
150 * Code for BOARD_BootClockFRO30M configuration
151 ******************************************************************************/
BOARD_BootClockFRO30M(void)152 void BOARD_BootClockFRO30M(void)
153 {
154 /*!< Set up the clock sources */
155 /*!< Set up FRO */
156 POWER_DisablePD(kPDRUNCFG_PD_FRO_OUT); /*!< Ensure FRO OUT is on */
157 POWER_DisablePD(kPDRUNCFG_PD_FRO); /*!< Ensure FRO is on */
158 CLOCK_SetFroOscFreq(kCLOCK_FroOscOut30M); /*!< Set up FRO freq */
159 POWER_DisablePD(kPDRUNCFG_PD_LPOSC); /*!< Ensure LPOSC is on */
160 CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcFro); /*!< select fro for main clock */
161 CLOCK_Select(kFRG0_Clk_From_Fro); /*!< select fro for frg0 */
162 CLOCK_SetFRG0ClkFreq(15000000U); /*!< select frg0 freq */
163 CLOCK_Select(kCLKOUT_From_Fro); /*!< select FRO for CLKOUT */
164 CLOCK_Select(kADC_Clk_From_Fro); /*!< select FRO for ADC */
165 CLOCK_SetCoreSysClkDiv(1U);
166 /*!< Set SystemCoreClock variable. */
167 SystemCoreClock = BOARD_BOOTCLOCKFRO30M_CORE_CLOCK;
168 }
169
170
