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1/*
2 * Copyright 2018 NXP.
3 * All rights reserved.
4 *
5 * SPDX-License-Identifier: BSD-3-Clause
6 */
7
8/***********************************************************************************************************************
9 * This file was generated by the MCUXpresso Config Tools. Any manual edits made to this file
10 * will be overwritten if the respective MCUXpresso Config Tools is used to update this file.
11 **********************************************************************************************************************/
12/*
13 * How to setup clock using clock driver functions:
14 *
15 * 1. CLOCK_SetSimSafeDivs, to make sure core clock, bus clock, flexbus clock
16 * and flash clock are in allowed range during clock mode switch.
17 *
18 * 2. Call CLOCK_Osc0Init to setup OSC clock, if it is used in target mode.
19 *
20 * 3. Set MCG configuration, MCG includes three parts: FLL clock, PLL clock and
21 * internal reference clock(MCGIRCLK). Follow the steps to setup:
22 *
23 * 1). Call CLOCK_BootToXxxMode to set MCG to target mode.
24 *
25 * 2). If target mode is FBI/BLPI/PBI mode, the MCGIRCLK has been configured
26 * correctly. For other modes, need to call CLOCK_SetInternalRefClkConfig
27 * explicitly to setup MCGIRCLK.
28 *
29 * 3). Don't need to configure FLL explicitly, because if target mode is FLL
30 * mode, then FLL has been configured by the function CLOCK_BootToXxxMode,
31 * if the target mode is not FLL mode, the FLL is disabled.
32 *
33 * 4). If target mode is PEE/PBE/PEI/PBI mode, then the related PLL has been
34 * setup by CLOCK_BootToXxxMode. In FBE/FBI/FEE/FBE mode, the PLL could
35 * be enabled independently, call CLOCK_EnablePll0 explicitly in this case.
36 *
37 * 4. Call CLOCK_SetSimConfig to set the clock configuration in SIM.
38 */
39
40/* clang-format off */
41/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
42!!GlobalInfo
43product: Clocks v4.1
44processor: MKV11Z128xxx7
45package_id: MKV11Z128VLH7
46mcu_data: ksdk2_0
47processor_version: 4.0.0
48board: FRDM-KV11Z
49 * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
50/* clang-format on */
51
52#include "fsl_smc.h"
53#include "clock_config.h"
54
55/*******************************************************************************
56 * Definitions
57 ******************************************************************************/
58#define OSC_CAP0P 0U /*!< Oscillator 0pF capacitor load */
59#define OSC_ER_CLK_DISABLE 0U /*!< Disable external reference clock */
60#define SIM_OSC32KSEL_LPO_CLK 3U /*!< OSC32KSEL select: LPO clock */
61
62/*******************************************************************************
63 * Variables
64 ******************************************************************************/
65/* System clock frequency. */
66extern uint32_t SystemCoreClock;
67
68/*******************************************************************************
69 * Code
70 ******************************************************************************/
71/*FUNCTION**********************************************************************
72 *
73 * Function Name : CLOCK_CONFIG_FllStableDelay
74 * Description : This function is used to delay for FLL stable.
75 *
76 *END**************************************************************************/
77static void CLOCK_CONFIG_FllStableDelay(void)
78{
79 uint32_t i = 30000U;
80 while (i--)
81 {
82 __NOP();
83 }
84}
85
86/*******************************************************************************
87 ************************ BOARD_InitBootClocks function ************************
88 ******************************************************************************/
89void BOARD_InitBootClocks(void)
90{
91 BOARD_BootClockRUN();
92}
93
94/*******************************************************************************
95 ********************** Configuration BOARD_BootClockRUN ***********************
96 ******************************************************************************/
97/* clang-format off */
98/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
99!!Configuration
100name: BOARD_BootClockRUN
101called_from_default_init: true
102outputs:
103- {id: Bus_clock.outFreq, value: 25 MHz}
104- {id: Core_clock.outFreq, value: 75 MHz}
105- {id: ERCLK32K.outFreq, value: 1 kHz}
106- {id: LPO_clock.outFreq, value: 1 kHz}
107- {id: MCGFLLCLK.outFreq, value: 75 MHz}
108- {id: MCGIRCLK.outFreq, value: 32.768 kHz}
109- {id: OSCERCLK.outFreq, value: 10 MHz}
110- {id: System_clock.outFreq, value: 75 MHz}
111settings:
112- {id: MCGMode, value: FEE}
113- {id: MCG.FCRDIV.scale, value: '1'}
114- {id: MCG.FLL_mul.scale, value: '1920'}
115- {id: MCG.FRDIV.scale, value: '256'}
116- {id: MCG.IREFS.sel, value: MCG.FRDIV}
117- {id: MCG_C1_IRCLKEN_CFG, value: Enabled}
118- {id: MCG_C2_OSC_MODE_CFG, value: ModeOscLowPower}
119- {id: MCG_C2_RANGE0_CFG, value: Very_high}
120- {id: MCG_C2_RANGE0_FRDIV_CFG, value: Very_high}
121- {id: OSC_CR_ERCLKEN_CFG, value: Enabled}
122- {id: OSC_CR_SYS_OSC_CAP_LOAD_CFG, value: SC18PF}
123- {id: SIM.OSC32KSEL.sel, value: PMC.LPOCLK}
124- {id: SIM.OUTDIV4.scale, value: '3'}
125- {id: SIM.OUTDIV5.scale, value: '1'}
126sources:
127- {id: OSC.OSC.outFreq, value: 10 MHz, enabled: true}
128 * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
129/* clang-format on */
130
131/*******************************************************************************
132 * Variables for BOARD_BootClockRUN configuration
133 ******************************************************************************/
134const mcg_config_t mcgConfig_BOARD_BootClockRUN = {
135 .mcgMode = kMCG_ModeFEE, /* FEE - FLL Engaged External */
136 .irclkEnableMode = kMCG_IrclkEnable, /* MCGIRCLK enabled, MCGIRCLK disabled in STOP mode */
137 .ircs = kMCG_IrcSlow, /* Slow internal reference clock selected */
138 .fcrdiv = 0x0U, /* Fast IRC divider: divided by 1 */
139 .frdiv = 0x3U, /* FLL reference clock divider: divided by 256 */
140 .drs = kMCG_DrsMidHigh, /* Mid-High frequency range */
141 .dmx32 = kMCG_Dmx32Default, /* DCO has a default range of 25% */
142};
143const sim_clock_config_t simConfig_BOARD_BootClockRUN = {
144 .er32kSrc = SIM_OSC32KSEL_LPO_CLK, /* OSC32KSEL select: LPO clock */
145 .clkdiv1 = 0x20000U, /* SIM_CLKDIV1 - OUTDIV1: /1, OUTDIV4: /3, OUTDIV5: /1, disabled */
146};
147const osc_config_t oscConfig_BOARD_BootClockRUN = {
148 .freq = 10000000U, /* Oscillator frequency: 10000000Hz */
149 .capLoad = (kOSC_Cap2P | kOSC_Cap16P), /* Oscillator capacity load: 18pF */
150 .workMode = kOSC_ModeOscLowPower, /* Oscillator low power */
151 .oscerConfig = {
152 .enableMode =
153 kOSC_ErClkEnable, /* Enable external reference clock, disable external reference clock in STOP mode */
154 }};
155
156/*******************************************************************************
157 * Code for BOARD_BootClockRUN configuration
158 ******************************************************************************/
159void BOARD_BootClockRUN(void)
160{
161 /* Set the system clock dividers in SIM to safe value. */
162 CLOCK_SetSimSafeDivs();
163 /* Initializes OSC0 according to board configuration. */
164 CLOCK_InitOsc0(&oscConfig_BOARD_BootClockRUN);
165 CLOCK_SetXtal0Freq(oscConfig_BOARD_BootClockRUN.freq);
166 /* Set MCG to FEE mode. */
167 CLOCK_BootToFeeMode(kMCG_OscselOsc, mcgConfig_BOARD_BootClockRUN.frdiv, mcgConfig_BOARD_BootClockRUN.dmx32,
168 mcgConfig_BOARD_BootClockRUN.drs, CLOCK_CONFIG_FllStableDelay);
169 /* Configure the Internal Reference clock (MCGIRCLK). */
170 CLOCK_SetInternalRefClkConfig(mcgConfig_BOARD_BootClockRUN.irclkEnableMode, mcgConfig_BOARD_BootClockRUN.ircs,
171 mcgConfig_BOARD_BootClockRUN.fcrdiv);
172 /* Set the clock configuration in SIM module. */
173 CLOCK_SetSimConfig(&simConfig_BOARD_BootClockRUN);
174 /* Set SystemCoreClock variable. */
175 SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK;
176}
177
178/*******************************************************************************
179 ********************* Configuration BOARD_BootClockVLPR ***********************
180 ******************************************************************************/
181/* clang-format off */
182/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
183!!Configuration
184name: BOARD_BootClockVLPR
185outputs:
186- {id: Bus_clock.outFreq, value: 800 kHz}
187- {id: Core_clock.outFreq, value: 4 MHz}
188- {id: ERCLK32K.outFreq, value: 1 kHz}
189- {id: LPO_clock.outFreq, value: 1 kHz}
190- {id: MCGIRCLK.outFreq, value: 4 MHz}
191- {id: System_clock.outFreq, value: 4 MHz}
192settings:
193- {id: MCGMode, value: BLPI}
194- {id: powerMode, value: VLPR}
195- {id: MCG.CLKS.sel, value: MCG.IRCS}
196- {id: MCG.FCRDIV.scale, value: '1'}
197- {id: MCG.FRDIV.scale, value: '32'}
198- {id: MCG.IRCS.sel, value: MCG.FCRDIV}
199- {id: MCG_C1_IRCLKEN_CFG, value: Enabled}
200- {id: MCG_C2_OSC_MODE_CFG, value: ModeOscLowPower}
201- {id: MCG_C2_RANGE0_CFG, value: Very_high}
202- {id: MCG_C2_RANGE0_FRDIV_CFG, value: Very_high}
203- {id: SIM.OSC32KSEL.sel, value: PMC.LPOCLK}
204- {id: SIM.OUTDIV4.scale, value: '5'}
205- {id: SIM.OUTDIV5.scale, value: '1'}
206sources:
207- {id: OSC.OSC.outFreq, value: 10 MHz}
208 * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
209/* clang-format on */
210
211/*******************************************************************************
212 * Variables for BOARD_BootClockVLPR configuration
213 ******************************************************************************/
214const mcg_config_t mcgConfig_BOARD_BootClockVLPR = {
215 .mcgMode = kMCG_ModeBLPI, /* BLPI - Bypassed Low Power Internal */
216 .irclkEnableMode = kMCG_IrclkEnable, /* MCGIRCLK enabled, MCGIRCLK disabled in STOP mode */
217 .ircs = kMCG_IrcFast, /* Fast internal reference clock selected */
218 .fcrdiv = 0x0U, /* Fast IRC divider: divided by 1 */
219 .frdiv = 0x0U, /* FLL reference clock divider: divided by 32 */
220 .drs = kMCG_DrsLow, /* Low frequency range */
221 .dmx32 = kMCG_Dmx32Default, /* DCO has a default range of 25% */
222};
223const sim_clock_config_t simConfig_BOARD_BootClockVLPR = {
224 .er32kSrc = SIM_OSC32KSEL_LPO_CLK, /* OSC32KSEL select: LPO clock */
225 .clkdiv1 = 0x40000U, /* SIM_CLKDIV1 - OUTDIV1: /1, OUTDIV4: /5, OUTDIV5: /1, disabled */
226};
227const osc_config_t oscConfig_BOARD_BootClockVLPR = {
228 .freq = 0U, /* Oscillator frequency: 0Hz */
229 .capLoad = (OSC_CAP0P), /* Oscillator capacity load: 0pF */
230 .workMode = kOSC_ModeOscLowPower, /* Oscillator low power */
231 .oscerConfig = {
232 .enableMode = OSC_ER_CLK_DISABLE, /* Disable external reference clock */
233 }};
234
235/*******************************************************************************
236 * Code for BOARD_BootClockVLPR configuration
237 ******************************************************************************/
238void BOARD_BootClockVLPR(void)
239{
240 /* Set the system clock dividers in SIM to safe value. */
241 CLOCK_SetSimSafeDivs();
242 /* Set MCG to BLPI mode. */
243 CLOCK_BootToBlpiMode(mcgConfig_BOARD_BootClockVLPR.fcrdiv, mcgConfig_BOARD_BootClockVLPR.ircs,
244 mcgConfig_BOARD_BootClockVLPR.irclkEnableMode);
245 /* Set the clock configuration in SIM module. */
246 CLOCK_SetSimConfig(&simConfig_BOARD_BootClockVLPR);
247 /* Set VLPR power mode. */
248 SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll);
249#if (defined(FSL_FEATURE_SMC_HAS_LPWUI) && FSL_FEATURE_SMC_HAS_LPWUI)
250 SMC_SetPowerModeVlpr(SMC, false);
251#else
252 SMC_SetPowerModeVlpr(SMC);
253#endif
254 while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateVlpr)
255 {
256 }
257 /* Set SystemCoreClock variable. */
258 SystemCoreClock = BOARD_BOOTCLOCKVLPR_CORE_CLOCK;
259}