1 files changed, 163 insertions, 0 deletions

diff --git a/lib/chibios-contrib/ext/mcux-sdk/devices/LPC824/drivers/fsl_power.c b/lib/chibios-contrib/ext/mcux-sdk/devices/LPC824/drivers/fsl_power.c
new file mode 100644
index 000000000..8a2de409b
--- /dev/null
+++ b/lib/chibios-contrib/ext/mcux-sdk/devices/LPC824/drivers/fsl_power.c
@@ -0,0 +1,163 @@
+/*
+ * Copyright (c) 2016, Freescale Semiconductor, Inc.
+ * Copyright 2016-2018, NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include "fsl_power.h"
+/* Component ID definition, used by tools. */
+#ifndef FSL_COMPONENT_ID
+#define FSL_COMPONENT_ID "platform.drivers.power_no_lib"
+#endif
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+/*!
+ * brief API to enter sleep power mode.
+ *
+ * return none
+ */
+void POWER_EnterSleep(void)
+{
+    uint32_t pmsk;
+
+    pmsk = __get_PRIMASK();
+    __disable_irq();
+
+    /* sleep mode */
+    PMU->PCON &= ~PMU_PCON_PM_MASK;
+    /* disable Deepsleep mode in the ARM-CORTEX M0+ SCR register */
+    SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
+
+    /* Enter powerdown mode */
+    __WFI();
+
+    __set_PRIMASK(pmsk);
+}
+
+/*!
+ * brief API to enter deep sleep power mode.
+ *
+ * param activePart: should be a single or combine value of _power_deep_sleep_active .
+ * return none
+ */
+void POWER_EnterDeepSleep(uint32_t activePart)
+{
+    assert((SYSCON->MAINCLKSEL & SYSCON_MAINCLKSEL_SEL_MASK) == 0U);
+
+    uint32_t pmsk;
+
+    pmsk = __get_PRIMASK();
+    __disable_irq();
+
+    PMU->PCON = (PMU->PCON & (~PMU_PCON_PM_MASK)) | PMU_PCON_PM(kPmu_Deep_Sleep);
+
+    /* remain active during power down mode */
+    SYSCON->PDSLEEPCFG &= ~activePart;
+
+    /* enable Deepsleep mode in the ARM-CORTEX M0+ SCR register */
+    SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
+
+    /* Enter powerdown mode */
+    __WFI();
+
+    /* disable Deepsleep mode in the ARM-CORTEX M0+ SCR register */
+    SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
+    __set_PRIMASK(pmsk);
+}
+
+/*!
+ * brief API to enter power down mode.
+ *
+ * param activePart: should be a single or combine value of _power_deep_sleep_active .
+ * return none
+ */
+void POWER_EnterPowerDown(uint32_t activePart)
+{
+    assert((SYSCON->MAINCLKSEL & SYSCON_MAINCLKSEL_SEL_MASK) == 0U);
+
+    uint32_t pmsk;
+
+    pmsk = __get_PRIMASK();
+    __disable_irq();
+
+    PMU->PCON = (PMU->PCON & (~PMU_PCON_PM_MASK)) | PMU_PCON_PM(kPmu_PowerDown);
+
+    /* remain active during power down mode */
+    SYSCON->PDSLEEPCFG &= ~activePart;
+
+    /* enable Deepsleep mode in the ARM-CORTEX M0+ SCR register */
+    SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
+
+    /* Enter powerdown mode */
+    __WFI();
+
+    /* disable Deepsleep mode in the ARM-CORTEX M0+ SCR register */
+    SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
+    __set_PRIMASK(pmsk);
+}
+
+/*!
+ * brief API to enter deep power down mode.
+ *
+ * return none
+ */
+void POWER_EnterDeepPowerDownMode(void)
+{
+    uint32_t pmsk;
+
+    pmsk = __get_PRIMASK();
+    __disable_irq();
+
+    /* make sure NODPD is cleared  */
+    PMU->PCON = (PMU->PCON & (~(PMU_PCON_PM_MASK | PMU_PCON_NODPD_MASK))) | PMU_PCON_PM(kPmu_Deep_PowerDown);
+
+    /* enable Deepsleep mode in the ARM-CORTEX M0+ SCR register */
+    SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
+
+    /* Enter powerdown mode */
+    __WFI();
+
+    /* disable Deepsleep mode in the ARM-CORTEX M0+ SCR register */
+    SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
+    __set_PRIMASK(pmsk);
+}
+
+void EnableDeepSleepIRQ(IRQn_Type interrupt)
+{
+    uint32_t intNumber = (uint32_t)interrupt;
+        
+    if(intNumber >= 24u) 
+    {
+        /* enable pin interrupt wake up in the STARTERP0 register */
+        SYSCON->STARTERP0 |= 1UL << (intNumber - 24u); 
+    }        
+    else
+    {
+        /* enable interrupt wake up in the STARTERP1 register */         
+        SYSCON->STARTERP1 |= 1UL << intNumber;          
+    }
+    /* also enable interrupt at NVIC */
+    (void)EnableIRQ(interrupt); 
+}
+
+void DisableDeepSleepIRQ(IRQn_Type interrupt)
+{
+    uint32_t intNumber = (uint32_t)interrupt;
+        
+    /* also disable interrupt at NVIC */
+    (void)DisableIRQ(interrupt); 
+        
+    if(intNumber >= 24u) 
+    {
+        /* disable pin interrupt wake up in the STARTERP0 register */
+        SYSCON->STARTERP0 &= ~(1UL << (intNumber - 24u)); 
+    }  
+    else
+    {
+        /* disable interrupt wake up in the STARTERP1 register */       
+        SYSCON->STARTERP1 &= ~(1UL << intNumber);         
+    }
+}