1 files changed, 243 insertions, 0 deletions

diff --git a/lib/chibios-contrib/ext/mcux-sdk/boards/lpcxpresso51u68/clock_config.c b/lib/chibios-contrib/ext/mcux-sdk/boards/lpcxpresso51u68/clock_config.c
new file mode 100644
index 000000000..16f6e46fc
--- /dev/null
+++ b/lib/chibios-contrib/ext/mcux-sdk/boards/lpcxpresso51u68/clock_config.c
@@ -0,0 +1,243 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017,2019 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * How to set up clock using clock driver functions:
+ *
+ * 1. Setup clock sources.
+ *
+ * 2. Setup voltage for the fastest of the clock outputs
+ *
+ * 3. Set up wait states of the flash.
+ *
+ * 4. Set up all dividers.
+ *
+ * 5. Set up all selectors to provide selected clocks.
+ */
+
+/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
+!!GlobalInfo
+product: Clocks v7.0
+processor: LPC51U68
+package_id: LPC51U68JBD64
+mcu_data: ksdk2_0
+processor_version: 0.7.1
+board: LPCXpresso51U68
+ * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
+
+#include "fsl_power.h"
+#include "fsl_clock.h"
+#include "clock_config.h"
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+/* System clock frequency. */
+extern uint32_t SystemCoreClock;
+
+/*******************************************************************************
+ ************************ BOARD_InitBootClocks function ************************
+ ******************************************************************************/
+void BOARD_InitBootClocks(void)
+{
+    BOARD_BootClockPLL150M();
+}
+
+/*******************************************************************************
+ ******************** Configuration BOARD_BootClockFRO12M **********************
+ ******************************************************************************/
+/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
+!!Configuration
+name: BOARD_BootClockFRO12M
+outputs:
+- {id: System_clock.outFreq, value: 12 MHz}
+ * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
+
+/*******************************************************************************
+ * Variables for BOARD_BootClockFRO12M configuration
+ ******************************************************************************/
+/*******************************************************************************
+ * Code for BOARD_BootClockFRO12M configuration
+ ******************************************************************************/
+void BOARD_BootClockFRO12M(void)
+{
+    /*!< Set up the clock sources */
+    /*!< Set up FRO */
+    POWER_DisablePD(kPDRUNCFG_PD_FRO_EN); /*!< Ensure FRO is on  */
+    CLOCK_SetupFROClocking(12000000U);    /*!< Set up FRO to the 12 MHz, just for sure */
+    CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without
+                                             accidentally being below the voltage for current speed */
+    POWER_SetVoltageForFreq(
+        12000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
+    CLOCK_SetFLASHAccessCyclesForFreq(12000000U); /*!< Set FLASH wait states for core */
+
+    /*!< Set up dividers */
+    CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV divider to value 1 */
+
+    /*!< Set up clock selectors - Attach clocks to the peripheries */
+    CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO12M */
+    /*!< Set SystemCoreClock variable. */
+    SystemCoreClock = BOARD_BOOTCLOCKFRO12M_CORE_CLOCK;
+}
+
+/*******************************************************************************
+ ******************* Configuration BOARD_BootClockFROHF48M *********************
+ ******************************************************************************/
+/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
+!!Configuration
+name: BOARD_BootClockFROHF48M
+outputs:
+- {id: System_clock.outFreq, value: 48 MHz}
+settings:
+- {id: SYSCON.MAINCLKSELA.sel, value: SYSCON.fro_hf}
+ * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
+
+/*******************************************************************************
+ * Variables for BOARD_BootClockFROHF48M configuration
+ ******************************************************************************/
+/*******************************************************************************
+ * Code for BOARD_BootClockFROHF48M configuration
+ ******************************************************************************/
+void BOARD_BootClockFROHF48M(void)
+{
+    /*!< Set up the clock sources */
+    /*!< Set up FRO */
+    POWER_DisablePD(kPDRUNCFG_PD_FRO_EN); /*!< Ensure FRO is on  */
+    CLOCK_SetupFROClocking(12000000U);    /*!< Set up FRO to the 12 MHz, just for sure */
+    CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without
+                                             accidentally being below the voltage for current speed */
+    POWER_SetVoltageForFreq(
+        48000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
+    CLOCK_SetFLASHAccessCyclesForFreq(48000000U); /*!< Set FLASH wait states for core */
+
+    CLOCK_SetupFROClocking(48000000U); /*!< Set up high frequency FRO output to selected frequency */
+
+    /*!< Set up dividers */
+    CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV divider to value 1 */
+
+    /*!< Set up clock selectors - Attach clocks to the peripheries */
+    CLOCK_AttachClk(kFRO_HF_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO_HF */
+    /*!< Set SystemCoreClock variable. */
+    SystemCoreClock = BOARD_BOOTCLOCKFROHF48M_CORE_CLOCK;
+}
+
+/*******************************************************************************
+ ******************* Configuration BOARD_BootClockFROHF96M *********************
+ ******************************************************************************/
+/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
+!!Configuration
+name: BOARD_BootClockFROHF96M
+outputs:
+- {id: System_clock.outFreq, value: 96 MHz}
+settings:
+- {id: SYSCON.MAINCLKSELA.sel, value: SYSCON.fro_hf}
+sources:
+- {id: SYSCON.fro_hf.outFreq, value: 96 MHz}
+ * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
+
+/*******************************************************************************
+ * Variables for BOARD_BootClockFROHF96M configuration
+ ******************************************************************************/
+/*******************************************************************************
+ * Code for BOARD_BootClockFROHF96M configuration
+ ******************************************************************************/
+void BOARD_BootClockFROHF96M(void)
+{
+    /*!< Set up the clock sources */
+    /*!< Set up FRO */
+    POWER_DisablePD(kPDRUNCFG_PD_FRO_EN); /*!< Ensure FRO is on  */
+    CLOCK_SetupFROClocking(12000000U);    /*!< Set up FRO to the 12 MHz, just for sure */
+    CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without
+                                             accidentally being below the voltage for current speed */
+    POWER_SetVoltageForFreq(
+        96000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
+    CLOCK_SetFLASHAccessCyclesForFreq(96000000U); /*!< Set FLASH wait states for core */
+
+    CLOCK_SetupFROClocking(96000000U); /*!< Set up high frequency FRO output to selected frequency */
+
+    /*!< Set up dividers */
+    CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV divider to value 1 */
+
+    /*!< Set up clock selectors - Attach clocks to the peripheries */
+    CLOCK_AttachClk(kFRO_HF_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO_HF */
+    /*!< Set SystemCoreClock variable. */
+    SystemCoreClock = BOARD_BOOTCLOCKFROHF96M_CORE_CLOCK;
+}
+
+/*******************************************************************************
+ ******************** Configuration BOARD_BootClockPLL150M *********************
+ ******************************************************************************/
+/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
+!!Configuration
+name: BOARD_BootClockPLL150M
+called_from_default_init: true
+outputs:
+- {id: PLL_clock.outFreq, value: 150 MHz}
+- {id: System_clock.outFreq, value: 150 MHz}
+settings:
+- {id: SYSCON.DIRECTO.sel, value: SYSCON.PLL}
+- {id: SYSCON.MAINCLKSELB.sel, value: SYSCON.PLL_BYPASS}
+- {id: SYSCON.M_MULT.scale, value: '153600', locked: true}
+- {id: SYSCON.N_DIV.scale, value: '6', locked: true}
+- {id: SYSCON.SYSPLLCLKSEL.sel, value: SYSCON.fro_12m}
+ * BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
+
+/*******************************************************************************
+ * Variables for BOARD_BootClockPLL150M configuration
+ ******************************************************************************/
+/*******************************************************************************
+ * Code for BOARD_BootClockPLL150M configuration
+ ******************************************************************************/
+void BOARD_BootClockPLL150M(void)
+{
+    /*!< Set up the clock sources */
+    /*!< Set up FRO */
+    POWER_DisablePD(kPDRUNCFG_PD_FRO_EN); /*!< Ensure FRO is on  */
+    CLOCK_SetupFROClocking(12000000U);    /*!< Set up FRO to the 12 MHz, just for sure */
+    CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without
+                                             accidentally being below the voltage for current speed */
+    POWER_SetVoltageForFreq(
+        150000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
+    CLOCK_SetFLASHAccessCyclesForFreq(150000000U); /*!< Set FLASH wait states for core */
+
+    /*!< Set up PLL */
+    CLOCK_AttachClk(kFRO12M_to_SYS_PLL); /*!< Switch PLL clock source selector to FRO12M */
+    const pll_setup_t pllSetup = {.syspllctrl   = SYSCON_SYSPLLCTRL_UPLIMOFF_MASK | SYSCON_SYSPLLCTRL_DIRECTO_MASK,
+                                  .syspllndec   = SYSCON_SYSPLLNDEC_NDEC(11U),
+                                  .syspllpdec   = SYSCON_SYSPLLPDEC_PDEC(2U),
+                                  .syspllssctrl = {0x0U, (SYSCON_SYSPLLSSCTRL1_MD(76800U) | (uint32_t)(kSS_MF_512) |
+                                                          (uint32_t)(kSS_MR_K0) | (uint32_t)(kSS_MC_NOC))},
+                                  .pllRate      = 150000000U,
+                                  .flags        = PLL_SETUPFLAG_POWERUP};
+    CLOCK_SetPLLFreq(&pllSetup); /*!< Configure PLL to the desired values */
+
+    /* PLL in Fractional/Spread spectrum mode */
+    /* SYSTICK is used for waiting for PLL stabilization */
+
+    SysTick->LOAD = 111999UL;                /*!< Set SysTick count value */
+    SysTick->VAL  = 0UL;                     /*!< Reset current count value */
+    SysTick->CTRL = SysTick_CTRL_ENABLE_Msk; /*!< Enable SYSTICK */
+    while ((SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) != SysTick_CTRL_COUNTFLAG_Msk)
+    {
+    }                    /*!< Waiting for PLL stabilization */
+    SysTick->CTRL = 0UL; /*!< Stop SYSTICK */
+
+    /*!< Set up dividers */
+    CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV divider to value 1 */
+
+    /*!< Set up clock selectors - Attach clocks to the peripheries */
+    CLOCK_AttachClk(kSYS_PLL_to_MAIN_CLK); /*!< Switch MAIN_CLK to SYS_PLL */
+    SYSCON->MAINCLKSELA =
+        ((SYSCON->MAINCLKSELA & ~SYSCON_MAINCLKSELA_SEL_MASK) |
+         SYSCON_MAINCLKSELA_SEL(0U)); /*!< Switch MAINCLKSELA to FRO12M even it is not used for MAINCLKSELB */
+    /*!< Set SystemCoreClock variable. */
+    SystemCoreClock = BOARD_BOOTCLOCKPLL150M_CORE_CLOCK;
+}