From 13e0fafc140c16539691d26afafaca417e7e2fbc Mon Sep 17 00:00:00 2001
From: WXK <287788329@qq.com>
Date: 星期四, 16 一月 2025 09:43:45 +0800
Subject: [PATCH] 更新为sdk0.7.0版本
---
01_SDK/modules/hal/panchip/panplat/pan1070/bsp/device/Source/pan_lp.c | 486 +++++++++++++++++++++++++++++++++++++----------------
1 files changed, 337 insertions(+), 149 deletions(-)
diff --git a/01_SDK/modules/hal/panchip/panplat/pan1070/bsp/device/Source/pan_lp.c b/01_SDK/modules/hal/panchip/panplat/pan1070/bsp/device/Source/pan_lp.c
index 688ead5..f961d7e 100644
--- a/01_SDK/modules/hal/panchip/panplat/pan1070/bsp/device/Source/pan_lp.c
+++ b/01_SDK/modules/hal/panchip/panplat/pan1070/bsp/device/Source/pan_lp.c
@@ -2,6 +2,9 @@
#include "pan_lp.h"
#include "pan_clk.h"
+extern const uint32_t PanFlashLineMode;
+extern const bool PanFlashEnhanceEnable;
+
/**
* @brief This function enable gpio p56 wake up
* @param[in] ana: where ana is analog module
@@ -21,7 +24,7 @@
* @brief This function set sleep time
* @param[in] ana: where ana is analog module
* @param[in] u32ClkCnt: where u32ClkCnt is 32k clock cnt num
-* @param[in] idx: where idx is 0,1, 2
+* @param[in] idx: channel index of sleeptimer, can be 0, 1, 2
* @return none
*/
void LP_SetSleepTime(ANA_T *ana,uint32_t u32ClkCnt,uint8_t idx)
@@ -29,6 +32,15 @@
((__IO uint32_t *)(&(ana)->LP_SPACING_TIME0))[idx] = u32ClkCnt;
}
+/**
+* @brief This function get current 32K timer counter
+* @param[in] ana: where ana is analog module
+* @return Current 32K timer counter
+*/
+uint32_t LP_GetSlptmrCurrCount(ANA_T *ana)
+{
+ return ana->LP_SLPTMR;
+}
/**
* @brief This function set delay time used for standby_m0 mode for wait LPLDOH ready
@@ -85,173 +97,349 @@
}
- /**
+/**
* @brief This function set sleep mode config
-* @param[in] ana: where ana is analog module
-* @param[in] u8ExtWkDis: where u8ExtWkDis determine whether to wake up by GPIO
-* 0:gpio can wake up
-* 1:gpio can notwake up
+* @param[in] ana: Select analog module
+* @param[in] enterCyclically: Enable ARM Sleep-On-Exit Feature or not
* @return none
*/
-void LP_SetSleepModeConfig(ANA_T *ana,uint32_t wkMode,bool enterCyclically)
-{
- LP_EnableInt(ana,ENABLE);
- LP_SetSleepMode(ana, LP_MODE_SEL_SLEEP_MODE);
- if((LP_WKUP_MODE_SEL_EXT_GPIO != wkMode)&&(LP_WKUP_MODE_SEL_GPIO != wkMode)){
- ana->LP_FL_CTRL_3V |= ANAC_FL_RC32K_EN_Msk_3v;
- ana->LP_FL_CTRL_3V |= ANAC_FL_SLEEP_CNT_EN_Msk;
- } else {
- ana->LP_FL_CTRL_3V &= ~ANAC_FL_SLEEP_CNT_EN_Msk;
- ana->LP_FL_CTRL_3V &= ~ANAC_FL_RC32K_EN_Msk_3v;
- }
-#ifdef SYNC_3V_REG_MANUALLY
- CLK_Wait3vSyncReady();
-#endif
- SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
- if(enterCyclically)
- SCB->SCR |= SCB_SCR_SLEEPONEXIT_Msk;
- else
- SCB->SCR &= ~SCB_SCR_SLEEPONEXIT_Msk;
- __WFI();
-#ifdef SYNC_3V_REG_MANUALLY
- CLK_Wait3vSyncReady();
-#endif
-}
-
-void LP_SetDeepSleepConfig(ANA_T *ana,
- uint32_t wkMode,
- bool enterCyclically,
- uint8_t PowerCtrl,
- uint8_t dp_mode)
+void LP_EnterSleepMode(ANA_T *ana, bool enterCyclically)
{
- LP_EnableInt(ana,ENABLE);
- if (dp_mode == LP_DEEPSLEEP_MODE1){
- ana->LP_LP_LDO_3V |= ANAC_LPLDO_H_EN_Msk_3v;
- ana->LP_LP_LDO_3V |= ANAC_LPLDO_L_EN_Msk;
- ana->LP_FL_CTRL_3V |= ANAC_LDO_POWER_CTL_Msk | ANAC_FL_LDO_ISOLATE_EN_Msk;
- ana->LP_FL_CTRL_3V &= ~ANAC_LDOL_POWER_CTL_Msk;
- } else if (dp_mode == LP_DEEPSLEEP_MODE2){
- ana->LP_LP_LDO_3V |= ANAC_LPLDO_H_EN_Msk_3v;
- ana->LP_LP_LDO_3V &= ~ANAC_LPLDO_L_EN_Msk;
- ana->LP_FL_CTRL_3V |= ANAC_LDOL_POWER_CTL_Msk | ANAC_LDO_POWER_CTL_Msk;
- ana->LP_FL_CTRL_3V &= ~ANAC_FL_LDO_ISOLATE_EN_Msk;
- } else if (dp_mode == LP_DEEPSLEEP_MODE3){
- ana->LP_LP_LDO_3V &= ~ANAC_LPLDO_H_EN_Msk_3v;
- ana->LP_LP_LDO_3V |= ANAC_LPLDO_L_EN_Msk;
- ana->LP_FL_CTRL_3V |= ANAC_LDOL_POWER_CTL_Msk | ANAC_LDO_POWER_CTL_Msk;
- ana->LP_FL_CTRL_3V &= ~ANAC_FL_LDO_ISOLATE_EN_Msk;
- }
+ LP_EnableInt(ana, ENABLE);
- // Enable flash power in lp mode (Also need to enable flash AutoDp to save power)
-// ana->LP_FL_CTRL_3V |= ANAC_FL_FLASH_BP_EN_Msk;
-
- LP_SetSleepMode(ana, LP_MODE_SEL_DEEPSLEEP_MODE);
- if((LP_WKUP_MODE_SEL_EXT_GPIO != wkMode)&&(LP_WKUP_MODE_SEL_GPIO != wkMode)){
- if (CLK->CLK_TOP_CTRL_3V & CLK_TOPCTL_32K_CLK_SEL_Msk_3v) {
- ana->LP_FL_CTRL_3V |= ANAC_FL_XTAL32K_EN_Msk_3v;
- ana->LP_FL_CTRL_3V &= ~ANAC_FL_RC32K_EN_Msk_3v;
- } else {
- ana->LP_FL_CTRL_3V &= ~ANAC_FL_XTAL32K_EN_Msk_3v;
- ana->LP_FL_CTRL_3V |= ANAC_FL_RC32K_EN_Msk_3v;
- }
- ana->LP_INT_CTRL |= ANAC_INT_SLEEP_TMR_WK_EN_Msk;
- } else {
- ana->LP_FL_CTRL_3V &= ~ANAC_FL_RC32K_EN_Msk_3v;
+ /* Enable proper 32k clock in low power mode */
+ if (CLK->CLK_TOP_CTRL_3V & CLK_TOPCTL_32K_CLK_SEL_Msk_3v) {
+ ana->LP_FL_CTRL_3V |= ANAC_FL_XTAL32K_EN_Msk_3v;
+ ana->LP_FL_CTRL_3V &= ~ANAC_FL_RC32K_EN_Msk_3v;
+ } else {
+ ana->LP_FL_CTRL_3V &= ~ANAC_FL_XTAL32K_EN_Msk_3v;
+ ana->LP_FL_CTRL_3V |= ANAC_FL_RC32K_EN_Msk_3v;
}
- ana->LP_FL_CTRL_3V = ((PowerCtrl & 0x1f) << 24u) | (ana->LP_FL_CTRL_3V & 0xe0FFFFFF);
+ LP_SetSleepMode(ana, LP_MODE_SEL_SLEEP_MODE);
+ SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
- // Wait 3v sync ready manually
- ANA->LP_REG_SYNC |= ANAC_LP_REG_SYNC_3V_Msk | ANAC_LP_REG_SYNC_3V_TRG_Msk;
- while(ANA->LP_REG_SYNC & (ANAC_LP_REG_SYNC_3V_TRG_Msk)) {}
+ if (enterCyclically) {
+ SCB->SCR |= SCB_SCR_SLEEPONEXIT_Msk;
+ } else {
+ SCB->SCR &= ~SCB_SCR_SLEEPONEXIT_Msk;
+ }
- SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
- if(enterCyclically)
- SCB->SCR |= SCB_SCR_SLEEPONEXIT_Msk;
- else
- SCB->SCR &= ~SCB_SCR_SLEEPONEXIT_Msk;
- ANA->LP_INT_CTRL |= ANAC_INT_SLEEP_TMR_INT_EN_Msk;
- __WFI();
+ __WFI();
}
-
-void LP_SetStandbyMode0Config(void)
+void LP_EnterDeepSleepMode(ANA_T *ana, bool enterCyclically, uint8_t powerCtrl, uint8_t dpMode)
{
- LP_SetSleepMode(ANA, LP_MODE_SEL_STANDBY_M0_MODE);
- LP_EnableInt(ANA,ENABLE);
- ANA->LP_FL_CTRL_3V &= ~ANAC_FL_XTAL32K_EN_Msk_3v;
- ANA->LP_FL_CTRL_3V &= ~ANAC_FL_RC32K_EN_Msk_3v;
- #ifdef SYNC_3V_REG_MANUALLY
- CLK_Wait3vSyncReady();
- #endif
+ uint32_t nvicInt;
- SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
- __WFI();
+ ana->LP_INT_CTRL |= ANAC_INT_LP_INT_EN_Msk | ANAC_INT_SLEEP_TMR_INT_EN_Msk | ANAC_INT_SLEEP_TMR_WK_EN_Msk;
+
+ if (dpMode == LP_DEEPSLEEP_MODE1) {
+ ana->LP_LP_LDO_3V |= ANAC_LPLDO_H_EN_Msk_3v;
+ ana->LP_LP_LDO_3V |= ANAC_LPLDO_L_EN_Msk;
+ ana->LP_FL_CTRL_3V |= ANAC_LDO_POWER_CTL_Msk | ANAC_FL_LDO_ISOLATE_EN_Msk;
+ ana->LP_FL_CTRL_3V &= ~ANAC_LDOL_POWER_CTL_Msk;
+ } else if (dpMode == LP_DEEPSLEEP_MODE2) {
+ ana->LP_LP_LDO_3V |= ANAC_LPLDO_H_EN_Msk_3v;
+ ana->LP_LP_LDO_3V &= ~ANAC_LPLDO_L_EN_Msk;
+ ana->LP_FL_CTRL_3V |= ANAC_LDOL_POWER_CTL_Msk | ANAC_LDO_POWER_CTL_Msk;
+ ana->LP_FL_CTRL_3V &= ~ANAC_FL_LDO_ISOLATE_EN_Msk;
+ } else if (dpMode == LP_DEEPSLEEP_MODE3) {
+ ana->LP_LP_LDO_3V &= ~ANAC_LPLDO_H_EN_Msk_3v;
+ ana->LP_LP_LDO_3V |= ANAC_LPLDO_L_EN_Msk;
+ ana->LP_FL_CTRL_3V |= ANAC_LDOL_POWER_CTL_Msk | ANAC_LDO_POWER_CTL_Msk;
+ ana->LP_FL_CTRL_3V &= ~ANAC_FL_LDO_ISOLATE_EN_Msk;
+ }
+
+ // Enable LPDOH mode 2 to save power
+ // NOTE: This option is now configured in SystemHwParamLoader() flow due to ft version.
+#if 0
+ ana->LP_LP_LDO_3V |= ANAC_LPLDO_H_MODE_SEL_Msk_3v;
+#endif
+
+#if CONFIG_KEEP_FLASH_POWER_IN_LP_MODE
+ // Keep flash power in Deepsleep mode
+#if CONFIG_FLASH_LDO_EN
+ ana->LP_FL_CTRL_3V |= ANAC_FL_FLASH_LP_EN_Msk;
+ ana->LP_FL_CTRL_3V &= ~ANAC_FL_FLASH_BP_EN_Msk;
+#else
+ ana->LP_FL_CTRL_3V &= ~ANAC_FL_FLASH_LP_EN_Msk;
+ ana->LP_FL_CTRL_3V |= ANAC_FL_FLASH_BP_EN_Msk;
+#endif /* CONFIG_FLASH_LDO_EN */
+ // Configure rdp wait cnt for auto dp use
+ FMC_SetRdpWaitCount(FLCTL, 0x400);
+#else
+ // Power down flash in Deepsleep mode
+ ana->LP_FL_CTRL_3V &= ~ANAC_FL_FLASH_LP_EN_Msk;
+ ana->LP_FL_CTRL_3V &= ~ANAC_FL_FLASH_BP_EN_Msk;
+#endif /* CONFIG_KEEP_FLASH_POWER_IN_LP_MODE */
+
+ /* Enable flash auto-dp no matter flash power-down or not in deepsleep mode */
+ FMC_EnableAutoDp(FLCTL);
+
+ /* Enable proper 32k clock in low power mode */
+ if (CLK->CLK_TOP_CTRL_3V & CLK_TOPCTL_32K_CLK_SEL_Msk_3v) {
+ ana->LP_FL_CTRL_3V |= ANAC_FL_XTAL32K_EN_Msk_3v;
+ ana->LP_FL_CTRL_3V &= ~ANAC_FL_RC32K_EN_Msk_3v;
+ } else {
+ ana->LP_FL_CTRL_3V &= ~ANAC_FL_XTAL32K_EN_Msk_3v;
+ ana->LP_FL_CTRL_3V |= ANAC_FL_RC32K_EN_Msk_3v;
+ }
+
+ // Configure power of SRAM
+ ana->LP_FL_CTRL_3V = ((powerCtrl & 0x1f) << 24u) | (ana->LP_FL_CTRL_3V & 0xe0FFFFFF);
+
+ // Configure LP delay
+ ana->LP_DLY_CTRL_3V &= ~0x3ff;
+ ana->LP_DLY_CTRL_3V |= 0x5;
+
+ // Mask all interrupts
+ __disable_irq();
+
+ // Set LP irq to lowest priority
+ NVIC_SetPriority(LP_IRQn, 3);
+
+ /* Store and Clear NVIC Interrupt Enable Register */
+ nvicInt = NVIC->ISER[0U];
+ NVIC->ICER[0U] = 0xFFFFFFFF;
+ /* Enable LP IRQ to make sure related ISR would trigger after wake up */
+ NVIC_EnableIRQ(LP_IRQn);
+
+ // Ensure next wfi enter deepsleep mode
+ LP_SetSleepMode(ana, LP_MODE_SEL_DEEPSLEEP_MODE);
+ SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
+
+ // Wait 3v sync ready manually
+ ana->LP_REG_SYNC |= ANAC_LP_REG_SYNC_3V_Msk | ANAC_LP_REG_SYNC_3V_TRG_Msk;
+ while (ana->LP_REG_SYNC & (ANAC_LP_REG_SYNC_3V_TRG_Msk)) {}
+
+ if (enterCyclically) {
+ SCB->SCR |= SCB_SCR_SLEEPONEXIT_Msk;
+ } else {
+ SCB->SCR &= ~SCB_SCR_SLEEPONEXIT_Msk;
+ }
+
+ __WFI();
+
+ // Ensure next wfi enter sleep mode
+ SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
+ LP_SetSleepMode(ana, LP_MODE_SEL_SLEEP_MODE);
+
+ /* Disable flash auto-dp after deepsleep wakeup */
+ FMC_DisableAutoDp(FLCTL);
+
+#if ((!CONFIG_KEEP_FLASH_POWER_IN_LP_MODE) && (CONFIG_FLASH_LINE_MODE == FLASH_X4_MODE))
+ /* Set en_burst_wrap in FMC */
+ FLCTL->X_FL_X_MODE |= (0x1 << 16);
+ /* Re-issue burst_wrap command to flash if is X4 mode */
+ FLCTL->X_FL_CTL = (0 << 8) | (0x05 << 0);
+ FLCTL->X_FL_WD[0] = CMD_BURST_READ;
+ FLCTL->X_FL_WD[4] = BURST_READ_MODE_32 << 5;
+ FLCTL->X_FL_TRIG = CMD_TRIG;
+ while (FLCTL->X_FL_TRIG) {
+ __NOP();
+ }
+#endif
+
+ /* Restore NVIC Interrupt Enable Register [xxx:107 must]*/
+ NVIC->ISER[0U] = nvicInt;
}
-void LP_SetStandbyMode0BodLvrConfig(void)
+__ASM static void LP_WfiWithCoreRegsBackupAndResume(void)
{
- LP_SetSleepMode(ANA, LP_MODE_SEL_STANDBY_M0_MODE);
- LP_EnableInt(ANA,ENABLE);
- //bod/lvr wakeup need
- ANA->LP_FL_CTRL_3V |= ANAC_FL_XTAL32K_EN_Msk_3v;
- ANA->LP_FL_CTRL_3V |= ANAC_FL_RC32K_EN_Msk_3v;
- #ifdef SYNC_3V_REG_MANUALLY
- CLK_Wait3vSyncReady();
- #endif
-
- SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
- __WFI();
+ push {r0-r7} /* Backup r0 ~ r7 */
+ mov r0, r8
+ mov r1, r9
+ mov r2, r10
+ mov r3, r11
+ mov r4, r12
+ mov r5, lr
+ push {r0-r5} /* Backup r8 ~ r12 and lr */
+ wfi /* Trigger hw to enter low power mode */
+ pop {r0-r5} /* Restore r8 ~ r12 and lr */
+ mov r8, r0
+ mov r9, r1
+ mov r10, r2
+ mov r11, r3
+ mov r12, r4
+ mov lr, r5
+ pop {r0-r7} /* Restore r0 ~ r7 */
+ bx lr /* Function return */
}
-void LP_SetStandbyMode1Config(ANA_T *ana,
- uint32_t wkMode,
- uint8_t PowerCtrl,
- uint32_t slpTimer,
- uint8_t spaceIdx,
- uint8_t stdy_mode)
+void LP_EnterStandbyMode1(ANA_T *ana, uint8_t powerCtrl, bool wakeupWithoutReset)
{
- LP_SetSleepMode(ana, LP_MODE_SEL_STANDBY_M1_MODE);
- LP_EnableInt(ana,ENABLE);
- if (stdy_mode == LP_STANDBY_M1_MODE1){
- ana->LP_LP_LDO_3V |= ANAC_LPLDO_H_EN_Msk_3v;
- ana->LP_LP_LDO_3V |= ANAC_LPLDO_L_EN_Msk;
- ana->LP_FL_CTRL_3V |= ANAC_FL_LDO_ISOLATE_EN_Msk;
- ana->LP_FL_CTRL_3V &= ~(ANAC_LDOL_POWER_CTL_Msk | ANAC_LDO_POWER_CTL_Msk);
- } else if (stdy_mode == LP_STANDBY_M1_MODE2){
- ana->LP_LP_LDO_3V |= ANAC_LPLDO_H_EN_Msk_3v;
- ana->LP_LP_LDO_3V &= ~ANAC_LPLDO_L_EN_Msk;
- ana->LP_FL_CTRL_3V |= ANAC_LDOL_POWER_CTL_Msk | ANAC_FL_LDO_ISOLATE_EN_Msk;
- ana->LP_FL_CTRL_3V &= ~(ANAC_LDO_POWER_CTL_Msk);
- } else if (stdy_mode == LP_STANDBY_M1_MODE3){
- ana->LP_LP_LDO_3V &= ~ANAC_LPLDO_H_EN_Msk_3v;
- ana->LP_LP_LDO_3V |= ANAC_LPLDO_L_EN_Msk;
- ana->LP_FL_CTRL_3V |= ANAC_LDOL_POWER_CTL_Msk | ANAC_FL_LDO_ISOLATE_EN_Msk;
- ana->LP_FL_CTRL_3V &= ~(ANAC_LDO_POWER_CTL_Msk);
- }
-
- ana->LP_FL_CTRL_3V = ((PowerCtrl & 0x1f) << 24u) | (ana->LP_FL_CTRL_3V & 0xe0FFFFFF);
- if((LP_WKUP_MODE_SEL_EXT_GPIO != wkMode)&&(LP_WKUP_MODE_SEL_GPIO != wkMode)){
- if (CLK->CLK_TOP_CTRL_3V & CLK_TOPCTL_32K_CLK_SEL_Msk_3v) {
- ana->LP_FL_CTRL_3V |= ANAC_FL_XTAL32K_EN_Msk_3v;
- ana->LP_FL_CTRL_3V &= ~ANAC_FL_RC32K_EN_Msk_3v;
- } else {
- ana->LP_FL_CTRL_3V &= ~ANAC_FL_XTAL32K_EN_Msk_3v;
- ana->LP_FL_CTRL_3V |= ANAC_FL_RC32K_EN_Msk_3v;
- }
- ana->LP_INT_CTRL |= ANAC_INT_SLEEP_TMR_WK_EN_Msk;
- } else {
- ana->LP_FL_CTRL_3V &= ~ANAC_FL_RC32K_EN_Msk_3v;
- ana->LP_FL_CTRL_3V &= ~ANAC_FL_XTAL32K_EN_Msk_3v;
- }
+ ana->LP_INT_CTRL |= ANAC_INT_LP_INT_EN_Msk | ANAC_INT_SLEEP_TMR_INT_EN_Msk | ANAC_INT_SLEEP_TMR_WK_EN_Msk;
- // Wait 3v sync ready manually
- ANA->LP_REG_SYNC |= ANAC_LP_REG_SYNC_3V_Msk | ANAC_LP_REG_SYNC_3V_TRG_Msk;
- while(ANA->LP_REG_SYNC & (ANAC_LP_REG_SYNC_3V_TRG_Msk)) {}
+ /* StandbyM1 Power Mode 1, use both LPLDOH and LPLDOL */
+ ana->LP_LP_LDO_3V |= ANAC_LPLDO_H_EN_Msk_3v;
+ ana->LP_LP_LDO_3V |= ANAC_LPLDO_L_EN_Msk;
+ ana->LP_FL_CTRL_3V |= ANAC_FL_LDO_ISOLATE_EN_Msk;
+ ana->LP_FL_CTRL_3V &= ~(ANAC_LDOL_POWER_CTL_Msk | ANAC_LDO_POWER_CTL_Msk);
- if((LP_WKUP_MODE_SEL_EXT_GPIO != wkMode)&&(LP_WKUP_MODE_SEL_GPIO != wkMode)){
- LP_SetSleepTime(ana,slpTimer,spaceIdx);
- }
- SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
- __WFI();
+ /* LPDOH switch to mode 2 for better power consumption performance */
+ ana->LP_LP_LDO_3V |= ANAC_LPLDO_H_MODE_SEL_Msk_3v;
+
+ /* Power down Flash in lp mode discard the dedicated Flash LDO enabled or not */
+ ana->LP_FL_CTRL_3V = (ana->LP_FL_CTRL_3V & ~(0x3 << 12u)) | (0x0 << 12u);
+
+ /* Enable proper 32k clock in low power mode */
+ if (CLK->CLK_TOP_CTRL_3V & CLK_TOPCTL_32K_CLK_SEL_Msk_3v) {
+ ana->LP_FL_CTRL_3V |= ANAC_FL_XTAL32K_EN_Msk_3v;
+ ana->LP_FL_CTRL_3V &= ~ANAC_FL_RC32K_EN_Msk_3v;
+ } else {
+ ana->LP_FL_CTRL_3V &= ~ANAC_FL_XTAL32K_EN_Msk_3v;
+ ana->LP_FL_CTRL_3V |= ANAC_FL_RC32K_EN_Msk_3v;
+ }
+
+ /* Configure retention SRAM modules in low power mode */
+ ana->LP_FL_CTRL_3V = ((powerCtrl & 0x1f) << 24u) | (ana->LP_FL_CTRL_3V & 0xe0FFFFFF);
+
+ /* Set digital delay with 32k tick unit */
+ ana->LP_DLY_CTRL_3V &= ~0x3ff;
+ ana->LP_DLY_CTRL_3V |= 5;
+
+ /* Insure we are going to enter hw standby mode 1 */
+ LP_SetSleepMode(ana, LP_MODE_SEL_STANDBY_M1_MODE);
+ SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
+
+ // Mask all interrupts
+ __disable_irq();
+
+ /* Trigger 3v sync */
+ ana->LP_REG_SYNC |= ANAC_LP_REG_SYNC_3V_Msk | ANAC_LP_REG_SYNC_3V_TRG_Msk;
+
+ /* Clear all lowpower related int flags if any */
+ ana->LP_INT_CTRL = ana->LP_INT_CTRL;
+#if 0
+ /* Reset all hw peripheral modules except eFuse and GPIO */
+ CLK->IPRST0 = 0x1CC;
+ CLK->IPRST0 = 0x0;
+ CLK->IPRST1 = 0x17FFF;
+ CLK->IPRST1 = 0x0;
+#endif
+ /* Disable all IRQs and clear all pending IRQs on NVIC */
+ NVIC->ICER[0U] = 0xFFFFFFFF;
+ NVIC->ICPR[0U] = 0xFFFFFFFF;
+
+ /* Wait until 3v sync done */
+ while (ana->LP_REG_SYNC & (ANAC_LP_REG_SYNC_3V_TRG_Msk)) {
+ __NOP();
+ }
+
+ if (!wakeupWithoutReset) {
+
+ /* Reset CPU Vector Remap register to avoid issue after waking up */
+ ana->CPU_ADDR_REMAP_CTRL = 0;
+
+ /* Trigger hw to enter low power mode */
+ __WFI();
+
+ /*
+ * ======== (Now SoC is expected in HW Standby Mode 1 and would never return back here) =========
+ */
+ } else {
+ /*
+ * Enable CPU core regs retention in standby mode 1
+ * The CPU core registers PC, MSP, PSP and CONTROL would automatically
+ * be saved and restored by hardware in SoC standby mode 1.
+ */
+ ana->LP_FL_CTRL_3V |= ANAC_FL_CPU_RETENTION_EN_Msk;
+
+ /* Backup the FMC remap register in case we configure it in bootloader */
+ uint32_t fmc_remap_bkp = FLCTL->X_FL_REMAP_ADDR;
+
+ /*
+ * 1. Backup CPU core registers which are not auto-saved by hardware
+ * 2. Enter SoC Standby Mode 1 (WFI)
+ * 3. Restore previous backup CPU core registers
+ */
+ LP_WfiWithCoreRegsBackupAndResume();
+
+ /* Restore FMC remap register after waking up */
+ FLCTL->X_FL_REMAP_ADDR = fmc_remap_bkp;
+
+ // Disable CPU core regs retention after wakeup
+ ANA->LP_FL_CTRL_3V &= ~ANAC_FL_CPU_RETENTION_EN_Msk;
+
+ /* Reset SoC lp mode to sleep mode (1.2v area, do not need 3v sync) */
+ ana->LP_FL_CTRL_3V = (ana->LP_FL_CTRL_3V & ~ANAC_FL_SLEEP_MODE_SEL_Msk)
+ | (LP_MODE_SEL_SLEEP_MODE << ANAC_FL_SLEEP_MODE_SEL_Pos);
+
+ /* Restore fmc and flash status */
+ FMC_SetFlashMode(FLCTL, PanFlashEnhanceEnable, PanFlashEnhanceEnable);
+ /* Reinit I-Cache */
+ InitIcache(FLCTL, PanFlashEnhanceEnable);
+ /*
+ * Clear StandbyM1 int flag (write 1 to clear) in this register, but still
+ * retain all other ctrl/status flags.
+ */
+ ana->LP_INT_CTRL = (ana->LP_INT_CTRL | ANAC_INT_STANDBY_M1_FLAG_Msk)
+ & ~(ANAC_INT_SLEEP_TMR0_Msk | ANAC_INT_SLEEP_TMR1_Msk | ANAC_INT_SLEEP_TMR2_Msk
+ | ANAC_INT_DP_FLAG_Msk | ANAC_INT_STANDBY_M0_FLAG_Msk | ANAC_INT_SRAM_RET_FLAG_Msk);
+ }
+}
+
+void LP_EnterStandbyMode0(ANA_T *ana, bool enableClk32k)
+{
+ /* Mask all IRQs when we are on the way to enter standby mode */
+ __disable_irq();
+
+ if (enableClk32k) {
+ /* Enable proper 32k clock in low power mode */
+ if (CLK->CLK_TOP_CTRL_3V & CLK_TOPCTL_32K_CLK_SEL_Msk_3v) {
+ ANA->LP_FL_CTRL_3V |= ANAC_FL_XTAL32K_EN_Msk_3v;
+ ANA->LP_FL_CTRL_3V &= ~ANAC_FL_RC32K_EN_Msk_3v;
+ } else {
+ ANA->LP_FL_CTRL_3V &= ~ANAC_FL_XTAL32K_EN_Msk_3v;
+ ANA->LP_FL_CTRL_3V |= ANAC_FL_RC32K_EN_Msk_3v;
+ }
+ } else {
+ // Disable 32K Clock Source to save power
+ ANA->LP_FL_CTRL_3V &= ~ANAC_FL_RC32K_EN_Msk_3v;
+ ANA->LP_FL_CTRL_3V &= ~ANAC_FL_XTAL32K_EN_Msk_3v;
+ }
+
+ /* Set digital delay with 32k tick unit */
+ ANA->LP_DLY_CTRL_3V &= ~0x3ff;
+ ANA->LP_DLY_CTRL_3V |= 5;
+
+ /* Insure we are going to enter hw standby mode 1 */
+ LP_SetSleepMode(ANA, LP_MODE_SEL_STANDBY_M0_MODE);
+ SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
+
+ /* Trigger 3v sync */
+ ANA->LP_REG_SYNC |= ANAC_LP_REG_SYNC_3V_Msk | ANAC_LP_REG_SYNC_3V_TRG_Msk;
+
+ /* Disable SLPTMR interrupt and wakeup in lp mode (Only enable LP interrupt) */
+ ANA->LP_INT_CTRL = ANAC_INT_LP_INT_EN_Msk;
+ // Clear configured time of sleep timers
+ ANA->LP_SPACING_TIME0 = 0;
+ ANA->LP_SPACING_TIME1 = 0;
+ ANA->LP_SPACING_TIME2 = 0;
+
+ /* Clear all lowpower related int flags if any */
+ ANA->LP_INT_CTRL = ANA->LP_INT_CTRL;
+#if 0
+ /* Reset all hw peripheral modules except eFuse and GPIO */
+ CLK->IPRST0 = 0x1CC;
+ CLK->IPRST0 = 0x0;
+ CLK->IPRST1 = 0x17FFF;
+ CLK->IPRST1 = 0x0;
+#endif
+ /* Disable all IRQs and clear all pending IRQs on NVIC */
+ NVIC->ICER[0U] = 0xFFFFFFFF;
+ NVIC->ICPR[0U] = 0xFFFFFFFF;
+
+ /* Wait until 3v sync done */
+ while (ANA->LP_REG_SYNC & (ANAC_LP_REG_SYNC_3V_TRG_Msk)) {
+ __NOP();
+ }
+
+ /* Trigger hw to enter low power mode */
+ __WFI();
+
+ /*
+ * ======== (Now SoC is expected in HW Standby Mode 0 and would never return back here) =========
+ */
}
--
Gitblit v1.9.3