/* * Copyright 2019-2023 NXP * All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include "fsl_clock.h" #include "fsl_pmu.h" #include "fsl_anatop_ai.h" /* Component ID definition, used by tools. */ #ifndef FSL_COMPONENT_ID #define FSL_COMPONENT_ID "platform.drivers.clock" #endif /******************************************************************************* * Definitions ******************************************************************************/ /* To make full use of CM7 hardware FPU, use double instead of uint64_t in clock driver to achieve better performance, it is depend on the IDE Floating point settings, if double precision is selected in IDE, clock_64b_t will switch to double type automatically. only support IAR and MDK here */ #if __FPU_USED #if (defined(__ICCARM__)) #if (__ARMVFP__ >= __ARMFPV5__) && \ (__ARM_FP == 0xE) /*0xe implies support for half, single and double precision operations*/ typedef double clock_64b_t; #else typedef uint64_t clock_64b_t; #endif #elif (defined(__GNUC__)) #if (__ARM_FP == 0xE) /*0xe implies support for half, single and double precision operations*/ typedef double clock_64b_t; #else typedef uint64_t clock_64b_t; #endif #elif defined(__CC_ARM) || defined(__ARMCC_VERSION) #if defined __TARGET_FPU_FPV5_D16 typedef double clock_64b_t; #else typedef uint64_t clock_64b_t; #endif #else typedef uint64_t clock_64b_t; #endif #else typedef uint64_t clock_64b_t; #endif #define PLL_AI_CTRL0_REG kAI_PLL1G_CTRL0 #define PLL_AI_CTRL0_SET_REG kAI_PLL1G_CTRL0_SET #define PLL_AI_CTRL0_CLR_REG kAI_PLL1G_CTRL0_CLR #define PLL_AI_CTRL1_REG kAI_PLL1G_CTRL1 #define PLL_AI_CTRL1_SET_REG kAI_PLL1G_CTRL1_SET #define PLL_AI_CTRL1_CLR_REG kAI_PLL1G_CTRL1_CLR #define PLL_AI_CTRL2_REG kAI_PLL1G_CTRL2 #define PLL_AI_CTRL2_SET_REG kAI_PLL1G_CTRL2_SET #define PLL_AI_CTRL2_CLR_REG kAI_PLL1G_CTRL2_CLR #define PLL_AI_CTRL3_REG kAI_PLL1G_CTRL3 #define PLL_AI_CTRL3_SET_REG kAI_PLL1G_CTRL3_SET #define PLL_AI_CTRL3_CLR_REG kAI_PLL1G_CTRL3_CLR #define PLL_AI_CTRL0_HOLD_RING_OFF_MASK AI_PLL1G_CTRL0_HOLD_RING_OFF_MASK #define PLL_AI_CTRL0_POWER_UP_MASK AI_PLL1G_CTRL0_POWER_UP_MASK #define PLL_AI_CTRL0_ENABLE_MASK AI_PLL1G_CTRL0_ENABLE_MASK #define PLL_AI_CTRL0_BYPASS_MASK AI_PLL1G_CTRL0_BYPASS_MASK #define PLL_AI_CTRL0_PLL_REG_EN_MASK AI_PLL1G_CTRL0_PLL_REG_EN_MASK /******************************************************************************* * Variables ******************************************************************************/ /******************************************************************************* * Prototypes ******************************************************************************/ static void ANATOP_PllSetPower(anatop_ai_itf_t itf, bool enable); static void ANATOP_PllBypass(anatop_ai_itf_t itf, bool bypass); static void ANATOP_PllEnablePllReg(anatop_ai_itf_t itf, bool enable); static void ANATOP_PllHoldRingOff(anatop_ai_itf_t itf, bool off); static void ANATOP_PllToggleHoldRingOff(anatop_ai_itf_t itf, uint32_t delayUsValue); static void ANATOP_PllEnableClk(anatop_ai_itf_t itf, bool enable); static void ANATOP_PllConfigure(anatop_ai_itf_t itf, uint8_t div, uint32_t numer, uint8_t post_div, uint32_t denom, const clock_pll_ss_config_t *ss); static void ANATOP_AudioPllGate(bool enable); static void ANATOP_AudioPllSwEnClk(bool enable); static void ANATOP_VideoPllGate(bool enable); static void ANATOP_VideoPllSwEnClk(bool enable); static void ANATOP_SysPll1Gate(bool enable); static void ANATOP_SysPll1Div2En(bool enable); static void ANATOP_SysPll1Div5En(bool enable); static void ANATOP_SysPll1SwEnClk(bool enable); static void ANATOP_SysPll1WaitStable(void); static void ANATOP_PllEnableSs(anatop_ai_itf_t itf, bool enable); #ifndef GET_FREQ_FROM_OBS static uint32_t CLOCK_GetAvPllFreq(clock_pll_t pll); #endif /******************************************************************************* * Code ******************************************************************************/ #define ARM_PLL_DIV_SEL_MIN 104 #define ARM_PLL_DIV_SEL_MAX 208 void CLOCK_InitArmPll(const clock_arm_pll_config_t *config) { assert((config->loopDivider <= (uint32_t)ARM_PLL_DIV_SEL_MAX) && (config->loopDivider >= (uint32_t)ARM_PLL_DIV_SEL_MIN)); uint32_t reg; if (((ANADIG_PLL->ARM_PLL_CTRL & ANADIG_PLL_ARM_PLL_CTRL_POWERUP_MASK) != 0UL) && ((ANADIG_PLL->ARM_PLL_CTRL & ANADIG_PLL_ARM_PLL_CTRL_DIV_SELECT_MASK) == ANADIG_PLL_ARM_PLL_CTRL_DIV_SELECT(config->loopDivider)) && ((ANADIG_PLL->ARM_PLL_CTRL & ANADIG_PLL_ARM_PLL_CTRL_POST_DIV_SEL_MASK) == ANADIG_PLL_ARM_PLL_CTRL_POST_DIV_SEL(config->postDivider))) { /* no need to reconfigure the PLL if all the configuration is the same */ if ((ANADIG_PLL->ARM_PLL_CTRL & ANADIG_PLL_ARM_PLL_CTRL_ENABLE_CLK_MASK) == 0UL) { ANADIG_PLL->ARM_PLL_CTRL |= ANADIG_PLL_ARM_PLL_CTRL_ENABLE_CLK_MASK; } if ((ANADIG_PLL->ARM_PLL_CTRL & ANADIG_PLL_ARM_PLL_CTRL_ARM_PLL_GATE_MASK) != 0UL) { ANADIG_PLL->ARM_PLL_CTRL &= ~ANADIG_PLL_ARM_PLL_CTRL_ARM_PLL_GATE_MASK; } return; } PMU_StaticEnablePllLdo(ANADIG_PMU); reg = ANADIG_PLL->ARM_PLL_CTRL & (~ANADIG_PLL_ARM_PLL_CTRL_ARM_PLL_STABLE_MASK); if ((reg & (ANADIG_PLL_ARM_PLL_CTRL_POWERUP_MASK | ANADIG_PLL_ARM_PLL_CTRL_ENABLE_CLK_MASK)) != 0UL) { /* Power down the PLL. */ reg &= ~(ANADIG_PLL_ARM_PLL_CTRL_POWERUP_MASK | ANADIG_PLL_ARM_PLL_CTRL_ENABLE_CLK_MASK); reg |= ANADIG_PLL_ARM_PLL_CTRL_ARM_PLL_GATE_MASK; ANADIG_PLL->ARM_PLL_CTRL = reg; } /* Set the configuration. */ reg &= ~(ANADIG_PLL_ARM_PLL_CTRL_DIV_SELECT_MASK | ANADIG_PLL_ARM_PLL_CTRL_POST_DIV_SEL_MASK); reg |= (ANADIG_PLL_ARM_PLL_CTRL_DIV_SELECT(config->loopDivider) | ANADIG_PLL_ARM_PLL_CTRL_POST_DIV_SEL(config->postDivider)) | ANADIG_PLL_ARM_PLL_CTRL_ARM_PLL_GATE_MASK | ANADIG_PLL_ARM_PLL_CTRL_POWERUP_MASK | ANADIG_PLL_ARM_PLL_CTRL_HOLD_RING_OFF_MASK; ANADIG_PLL->ARM_PLL_CTRL = reg; __DSB(); __ISB(); SDK_DelayAtLeastUs(30, SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY); reg &= ~ANADIG_PLL_SYS_PLL2_CTRL_HOLD_RING_OFF_MASK; ANADIG_PLL->ARM_PLL_CTRL = reg; /* Wait for the PLL stable, */ while (0U == (ANADIG_PLL->ARM_PLL_CTRL & ANADIG_PLL_ARM_PLL_CTRL_ARM_PLL_STABLE_MASK)) { } /* Enable and ungate the clock. */ reg |= ANADIG_PLL_ARM_PLL_CTRL_ENABLE_CLK_MASK; reg &= ~ANADIG_PLL_ARM_PLL_CTRL_ARM_PLL_GATE_MASK; ANADIG_PLL->ARM_PLL_CTRL = reg; } void CLOCK_DeinitArmPll(void) { uint32_t reg = ANADIG_PLL->ARM_PLL_CTRL & (~ANADIG_PLL_ARM_PLL_CTRL_ARM_PLL_STABLE_MASK); reg &= ~(ANADIG_PLL_ARM_PLL_CTRL_POWERUP_MASK | ANADIG_PLL_ARM_PLL_CTRL_ENABLE_CLK_MASK); reg |= ANADIG_PLL_ARM_PLL_CTRL_ARM_PLL_GATE_MASK; ANADIG_PLL->ARM_PLL_CTRL = reg; } void CLOCK_CalcPllSpreadSpectrum(uint32_t factor, uint32_t range, uint32_t mod, clock_pll_ss_config_t *ss) { assert(ss != NULL); ss->stop = (uint16_t)(factor * range / XTAL_FREQ); ss->step = (uint16_t)((mod << 1UL) * (uint32_t)(ss->stop) / XTAL_FREQ); } /* 528PLL */ void CLOCK_InitSysPll2(const clock_sys_pll2_config_t *config) { uint32_t reg; if ((ANADIG_PLL->SYS_PLL2_CTRL & ANADIG_PLL_SYS_PLL2_CTRL_POWERUP_MASK) != 0UL) { if ((config == NULL) || ((0UL == (ANADIG_PLL->SYS_PLL2_SS & ANADIG_PLL_SYS_PLL2_SS_ENABLE_MASK)) && (!config->ssEnable)) || ((ANADIG_PLL_SYS_PLL2_SS_ENABLE(config->ssEnable) | ANADIG_PLL_SYS_PLL2_SS_STOP(config->ss->stop) | ANADIG_PLL_SYS_PLL2_SS_STEP(config->ss->step)) == ANADIG_PLL->SYS_PLL2_SS)) { /* no need to reconfigure the PLL if all the configuration is the same */ if (0UL == (ANADIG_PLL->SYS_PLL2_CTRL & ANADIG_PLL_SYS_PLL2_CTRL_ENABLE_CLK_MASK)) { ANADIG_PLL->SYS_PLL2_CTRL |= ANADIG_PLL_SYS_PLL2_CTRL_ENABLE_CLK_MASK; } if ((ANADIG_PLL->SYS_PLL2_CTRL & ANADIG_PLL_SYS_PLL2_CTRL_SYS_PLL2_GATE_MASK) != 0UL) { ANADIG_PLL->SYS_PLL2_CTRL &= ~ANADIG_PLL_SYS_PLL2_CTRL_SYS_PLL2_GATE_MASK; } return; } } PMU_StaticEnablePllLdo(ANADIG_PMU); /* Gate all PFDs */ ANADIG_PLL->SYS_PLL2_PFD |= ANADIG_PLL_SYS_PLL2_PFD_PFD0_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL2_PFD_PFD1_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL2_PFD_PFD2_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL2_PFD_PFD3_DIV1_CLKGATE(1); reg = ANADIG_PLL->SYS_PLL2_CTRL; if ((reg & (ANADIG_PLL_SYS_PLL2_CTRL_POWERUP_MASK | ANADIG_PLL_SYS_PLL2_CTRL_ENABLE_CLK_MASK)) != 0UL) { /* Power down the PLL. */ reg &= ~(ANADIG_PLL_SYS_PLL2_CTRL_POWERUP_MASK | ANADIG_PLL_SYS_PLL2_CTRL_ENABLE_CLK_MASK); reg |= ANADIG_PLL_SYS_PLL2_CTRL_SYS_PLL2_GATE_MASK; ANADIG_PLL->SYS_PLL2_CTRL = reg; } /* Config PLL */ if ((config != NULL) && (config->ssEnable) && (config->ss != NULL)) { ANADIG_PLL->SYS_PLL2_MFD = ANADIG_PLL_SYS_PLL2_MFD_MFD(config->mfd); ANADIG_PLL->SYS_PLL2_SS = (ANADIG_PLL_SYS_PLL2_SS_ENABLE_MASK | ANADIG_PLL_SYS_PLL2_SS_STOP(config->ss->stop) | ANADIG_PLL_SYS_PLL2_SS_STEP(config->ss->step)); } /* REG_EN = 1, GATE = 1, DIV_SEL = 0, POWERUP = 0 */ reg &= ~(ANADIG_PLL_SYS_PLL2_CTRL_PLL_REG_EN_MASK | ANADIG_PLL_SYS_PLL2_CTRL_SYS_PLL2_GATE_MASK); reg |= ANADIG_PLL_SYS_PLL2_CTRL_PLL_REG_EN(1) | ANADIG_PLL_SYS_PLL2_CTRL_SYS_PLL2_GATE(1); ANADIG_PLL->SYS_PLL2_CTRL = reg; /* Wait until LDO is stable */ SDK_DelayAtLeastUs(30, SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY); /* REG_EN = 1, GATE = 1, DIV_SEL = 0, POWERUP = 1, HOLDRING_OFF = 1 */ reg &= ~(ANADIG_PLL_SYS_PLL2_CTRL_POWERUP_MASK); reg |= ANADIG_PLL_SYS_PLL2_CTRL_POWERUP(1) | ANADIG_PLL_SYS_PLL2_CTRL_HOLD_RING_OFF_MASK; ANADIG_PLL->SYS_PLL2_CTRL = reg; SDK_DelayAtLeastUs(250, SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY); /* REG_EN = 1, GATE = 1, DIV_SEL = 0, POWERUP = 1, HOLDRING_OFF = 0 */ reg &= ~ANADIG_PLL_SYS_PLL2_CTRL_HOLD_RING_OFF_MASK; ANADIG_PLL->SYS_PLL2_CTRL = reg; /* Wait for PLL stable */ while (ANADIG_PLL_SYS_PLL2_CTRL_SYS_PLL2_STABLE_MASK != (ANADIG_PLL->SYS_PLL2_CTRL & ANADIG_PLL_SYS_PLL2_CTRL_SYS_PLL2_STABLE_MASK)) { } /* REG_EN = 1, GATE = 1, DIV_SEL = 0, POWERUP = 1, HOLDRING_OFF = 0, CLK = 1*/ reg |= ANADIG_PLL_SYS_PLL2_CTRL_ENABLE_CLK_MASK; ANADIG_PLL->SYS_PLL2_CTRL = reg; /* REG_EN = 1, GATE = 0, DIV_SEL = 0, POWERUP = 1, HOLDRING_OFF = 0, CLK = 1*/ reg &= ~ANADIG_PLL_SYS_PLL2_CTRL_SYS_PLL2_GATE_MASK; ANADIG_PLL->SYS_PLL2_CTRL = reg; ANADIG_PLL->SYS_PLL2_PFD &= ~(ANADIG_PLL_SYS_PLL2_PFD_PFD0_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL2_PFD_PFD1_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL2_PFD_PFD2_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL2_PFD_PFD3_DIV1_CLKGATE(1)); } void CLOCK_DeinitSysPll2(void) { ANADIG_PLL->SYS_PLL2_PFD |= ANADIG_PLL_SYS_PLL2_PFD_PFD0_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL2_PFD_PFD1_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL2_PFD_PFD2_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL2_PFD_PFD3_DIV1_CLKGATE(1); ANADIG_PLL->SYS_PLL2_CTRL |= ANADIG_PLL_SYS_PLL2_CTRL_SYS_PLL2_GATE_MASK; ANADIG_PLL->SYS_PLL2_CTRL &= ~(ANADIG_PLL_SYS_PLL2_CTRL_ENABLE_CLK_MASK | ANADIG_PLL_SYS_PLL2_CTRL_POWERUP_MASK | ANADIG_PLL_SYS_PLL2_CTRL_PLL_REG_EN_MASK); ANADIG_PLL->SYS_PLL2_SS &= ~ANADIG_PLL_SYS_PLL2_SS_ENABLE_MASK; } /*! * brief Check if Sys PLL2 PFD is enabled * * param pfd PFD control name * return PFD bypass status. * - true: power on. * - false: power off. * note Only useful in software control mode. */ bool CLOCK_IsSysPll2PfdEnabled(clock_pfd_t pfd) { return ((ANADIG_PLL->SYS_PLL2_PFD & (uint32_t)ANADIG_PLL_SYS_PLL2_PFD_PFD0_DIV1_CLKGATE_MASK << (8UL * (uint8_t)pfd)) == 0U); } #define PFD_FRAC_MIN 12U #define PFD_FRAC_MAX 35U void CLOCK_InitPfd(clock_pll_t pll, clock_pfd_t pfd, uint8_t frac) { volatile uint32_t *pfdCtrl = NULL, *pfdUpdate = NULL, stable; uint32_t regFracVal; bool pfdGated; assert(frac <= (uint8_t)PFD_FRAC_MAX); assert(frac >= (uint8_t)PFD_FRAC_MIN); switch (pll) { case kCLOCK_PllSys2: pfdCtrl = &ANADIG_PLL->SYS_PLL2_PFD; pfdUpdate = &ANADIG_PLL->SYS_PLL2_UPDATE; break; case kCLOCK_PllSys3: pfdCtrl = &ANADIG_PLL->SYS_PLL3_PFD; pfdUpdate = &ANADIG_PLL->SYS_PLL3_UPDATE; break; default: /* Wrong input parameter pll. */ assert(false); break; } regFracVal = ((*pfdCtrl) & ((uint32_t)ANADIG_PLL_SYS_PLL2_PFD_PFD0_FRAC_MASK << (8UL * (uint32_t)pfd))) >> (8UL * (uint32_t)pfd); pfdGated = (bool)(((*pfdCtrl) & ((uint32_t)ANADIG_PLL_SYS_PLL2_PFD_PFD0_DIV1_CLKGATE_MASK << (8UL * (uint32_t)pfd))) >> (8UL >> (uint32_t)pfd)); if ((regFracVal == (uint32_t)frac) && (!pfdGated)) { return; } stable = *pfdCtrl & ((uint32_t)ANADIG_PLL_SYS_PLL2_PFD_PFD0_STABLE_MASK << (8UL * (uint32_t)pfd)); *pfdCtrl |= ((uint32_t)ANADIG_PLL_SYS_PLL2_PFD_PFD0_DIV1_CLKGATE_MASK << (8UL * (uint32_t)pfd)); /* all pfds support to be updated on-the-fly after corresponding PLL is stable */ *pfdCtrl &= ~((uint32_t)ANADIG_PLL_SYS_PLL2_PFD_PFD0_FRAC_MASK << (8UL * (uint32_t)pfd)); *pfdCtrl |= (ANADIG_PLL_SYS_PLL2_PFD_PFD0_FRAC(frac) << (8UL * (uint32_t)pfd)); *pfdUpdate ^= ((uint32_t)ANADIG_PLL_SYS_PLL2_UPDATE_PFD0_UPDATE_MASK << (uint32_t)pfd); *pfdCtrl &= ~((uint32_t)ANADIG_PLL_SYS_PLL2_PFD_PFD0_DIV1_CLKGATE_MASK << (8UL * (uint32_t)pfd)); /* Wait for stablizing */ while (stable == (*pfdCtrl & ((uint32_t)ANADIG_PLL_SYS_PLL2_PFD_PFD0_STABLE_MASK << (8UL * (uint32_t)pfd)))) { } } /*! * brief De-initialize selected PLL PFD. * * param pll Which PLL of targeting PFD to be operated. * param pfd Which PFD clock to enable. */ void CLOCK_DeinitPfd(clock_pll_t pll, clock_pfd_t pfd) { volatile uint32_t *pfdCtrl = NULL; switch (pll) { case kCLOCK_PllSys2: { pfdCtrl = &ANADIG_PLL->SYS_PLL2_PFD; break; } case kCLOCK_PllSys3: { pfdCtrl = &ANADIG_PLL->SYS_PLL3_PFD; break; } default: { /* Wrong input parameter pll. */ assert(false); break; } } /* Clock gate the selected pfd. */ *pfdCtrl |= ((uint32_t)ANADIG_PLL_SYS_PLL2_PFD_PFD0_DIV1_CLKGATE_MASK << (8UL * (uint32_t)pfd)); } #ifndef GET_FREQ_FROM_OBS uint32_t CLOCK_GetPfdFreq(clock_pll_t pll, clock_pfd_t pfd) { uint32_t pllFreq = 0UL, frac = 0UL; assert((pll == kCLOCK_PllSys2) || (pll == kCLOCK_PllSys3)); switch (pll) { case kCLOCK_PllSys2: frac = (ANADIG_PLL->SYS_PLL2_PFD & ((uint32_t)ANADIG_PLL_SYS_PLL2_PFD_PFD0_FRAC_MASK << (8UL * (uint32_t)pfd))); pllFreq = (uint32_t)SYS_PLL2_FREQ; break; case kCLOCK_PllSys3: frac = (ANADIG_PLL->SYS_PLL3_PFD & ((uint32_t)ANADIG_PLL_SYS_PLL3_PFD_PFD0_FRAC_MASK << (8UL * (uint32_t)pfd))); pllFreq = (uint32_t)SYS_PLL3_FREQ; break; default: /* Wrong input parameter pll. */ assert(false); break; } frac = frac >> (8UL * (uint32_t)pfd); assert(frac >= (uint32_t)PFD_FRAC_MIN); assert(frac <= (uint32_t)PFD_FRAC_MAX); return ((frac != 0UL) ? (pllFreq / frac * 18UL) : 0UL); } #else uint32_t CLOCK_GetPfdFreq(clock_pll_t pll, clock_pfd_t pfd) { uint32_t freq = 0; assert((pll == kCLOCK_PllSys2) || (pll == kCLOCK_PllSys3)); switch (pll) { case kCLOCK_PllSys2: /* SYS_PLL2_PFD0 OBS index starts from 234 */ freq = CLOCK_GetFreqFromObs(pfd + 234, 2); break; case kCLOCK_PllSys3: /* SYS_PLL3_PFD0 OBS index starts from 241 */ freq = CLOCK_GetFreqFromObs(pfd + 241, 2); break; default: assert(false); } return freq; } #endif /* 480PLL */ void CLOCK_InitSysPll3(void) { if (0UL != (ANADIG_PLL->SYS_PLL3_CTRL & ANADIG_PLL_SYS_PLL3_CTRL_POWERUP_MASK)) { /* no need to reconfigure the PLL if all the configuration is the same */ if (0UL == (ANADIG_PLL->SYS_PLL3_CTRL & ANADIG_PLL_SYS_PLL3_CTRL_ENABLE_CLK_MASK)) { ANADIG_PLL->SYS_PLL3_CTRL |= ANADIG_PLL_SYS_PLL3_CTRL_ENABLE_CLK_MASK; } if (0UL != (ANADIG_PLL->SYS_PLL3_CTRL & ANADIG_PLL_SYS_PLL3_CTRL_SYS_PLL3_GATE_MASK)) { ANADIG_PLL->SYS_PLL3_CTRL &= ~ANADIG_PLL_SYS_PLL3_CTRL_SYS_PLL3_GATE_MASK; } return; } PMU_StaticEnablePllLdo(ANADIG_PMU); /* Gate all PFDs */ ANADIG_PLL->SYS_PLL3_PFD |= ANADIG_PLL_SYS_PLL3_PFD_PFD0_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL3_PFD_PFD1_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL3_PFD_PFD2_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL3_PFD_PFD3_DIV1_CLKGATE(1); /* * 1. configure PLL registres * 2. Enable internal LDO * 3. Wait LDO stable * 4. Power up PLL, assert hold_ring_off (only needed for avpll) * 5. At half lock time, de-asserted hold_ring_off (only needed for avpll) * 6. Wait PLL lock * 7. Enable clock output, release pfd_gate */ ANADIG_PLL->SYS_PLL3_CTRL |= ANADIG_PLL_SYS_PLL3_CTRL_PLL_REG_EN(1) | ANADIG_PLL_SYS_PLL3_CTRL_SYS_PLL3_GATE(1); SDK_DelayAtLeastUs(30, SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY); ANADIG_PLL->SYS_PLL3_CTRL |= ANADIG_PLL_SYS_PLL3_CTRL_POWERUP(1) | ANADIG_PLL_SYS_PLL3_CTRL_HOLD_RING_OFF_MASK; SDK_DelayAtLeastUs(30, SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY); ANADIG_PLL->SYS_PLL3_CTRL &= ~ANADIG_PLL_SYS_PLL3_CTRL_HOLD_RING_OFF_MASK; /* Wait for PLL stable */ while (ANADIG_PLL_SYS_PLL3_CTRL_SYS_PLL3_STABLE_MASK != (ANADIG_PLL->SYS_PLL3_CTRL & ANADIG_PLL_SYS_PLL3_CTRL_SYS_PLL3_STABLE_MASK)) { } ANADIG_PLL->SYS_PLL3_CTRL |= ANADIG_PLL_SYS_PLL3_CTRL_ENABLE_CLK(1) | ANADIG_PLL_SYS_PLL3_CTRL_SYS_PLL3_DIV2(1); ANADIG_PLL->SYS_PLL3_CTRL &= ~ANADIG_PLL_SYS_PLL3_CTRL_SYS_PLL3_GATE_MASK; } void CLOCK_DeinitSysPll3(void) { ANADIG_PLL->SYS_PLL3_PFD |= ANADIG_PLL_SYS_PLL3_PFD_PFD0_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL3_PFD_PFD1_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL3_PFD_PFD2_DIV1_CLKGATE(1) | ANADIG_PLL_SYS_PLL3_PFD_PFD3_DIV1_CLKGATE(1); ANADIG_PLL->SYS_PLL3_CTRL |= ANADIG_PLL_SYS_PLL3_CTRL_SYS_PLL3_GATE_MASK; ANADIG_PLL->SYS_PLL3_CTRL &= ~(ANADIG_PLL_SYS_PLL3_CTRL_ENABLE_CLK_MASK | ANADIG_PLL_SYS_PLL3_CTRL_POWERUP_MASK | ANADIG_PLL_SYS_PLL3_CTRL_PLL_REG_EN_MASK); } /*! * brief Check if Sys PLL3 PFD is enabled * * param pfd PFD control name * return PFD bypass status. * - true: power on. * - false: power off. * note Only useful in software control mode. */ bool CLOCK_IsSysPll3PfdEnabled(clock_pfd_t pfd) { return ((ANADIG_PLL->SYS_PLL3_PFD & (uint32_t)ANADIG_PLL_SYS_PLL3_PFD_PFD0_DIV1_CLKGATE_MASK << (8UL * (uint8_t)pfd)) == 0U); } void CLOCK_SetPllBypass(clock_pll_t pll, bool bypass) { switch (pll) { case kCLOCK_PllArm: ANADIG_PLL->ARM_PLL_CTRL = bypass ? (ANADIG_PLL->ARM_PLL_CTRL | ANADIG_PLL_ARM_PLL_CTRL_BYPASS_MASK) : (ANADIG_PLL->ARM_PLL_CTRL & ~ANADIG_PLL_ARM_PLL_CTRL_BYPASS_MASK); break; case kCLOCK_PllSys1: ANATOP_PllBypass(kAI_Itf_1g, bypass); break; case kCLOCK_PllSys2: ANADIG_PLL->SYS_PLL2_CTRL = bypass ? (ANADIG_PLL->SYS_PLL2_CTRL | ANADIG_PLL_SYS_PLL2_CTRL_BYPASS_MASK) : (ANADIG_PLL->SYS_PLL2_CTRL & ~ANADIG_PLL_SYS_PLL2_CTRL_BYPASS_MASK); break; case kCLOCK_PllSys3: ANADIG_PLL->SYS_PLL3_CTRL = bypass ? (ANADIG_PLL->SYS_PLL3_CTRL | ANADIG_PLL_SYS_PLL3_CTRL_BYPASS_MASK) : (ANADIG_PLL->SYS_PLL3_CTRL & ~ANADIG_PLL_SYS_PLL3_CTRL_BYPASS_MASK); break; case kCLOCK_PllAudio: ANATOP_PllBypass(kAI_Itf_Audio, bypass); break; case kCLOCK_PllVideo: ANATOP_PllBypass(kAI_Itf_Video, bypass); break; default: assert(false); break; } } static void ANATOP_PllSetPower(anatop_ai_itf_t itf, bool enable) { ANATOP_AI_Write(itf, enable ? PLL_AI_CTRL0_SET_REG : PLL_AI_CTRL0_CLR_REG, PLL_AI_CTRL0_POWER_UP_MASK | (enable ? PLL_AI_CTRL0_HOLD_RING_OFF_MASK : 0UL)); } static void ANATOP_PllBypass(anatop_ai_itf_t itf, bool bypass) { ANATOP_AI_Write(itf, bypass ? PLL_AI_CTRL0_SET_REG : PLL_AI_CTRL0_CLR_REG, PLL_AI_CTRL0_BYPASS_MASK); } static void ANATOP_PllEnablePllReg(anatop_ai_itf_t itf, bool enable) { ANATOP_AI_Write(itf, enable ? PLL_AI_CTRL0_SET_REG : PLL_AI_CTRL0_CLR_REG, PLL_AI_CTRL0_PLL_REG_EN_MASK); } static void ANATOP_PllHoldRingOff(anatop_ai_itf_t itf, bool off) { ANATOP_AI_Write(itf, off ? PLL_AI_CTRL0_SET_REG : PLL_AI_CTRL0_CLR_REG, PLL_AI_CTRL0_HOLD_RING_OFF_MASK); } static void ANATOP_PllToggleHoldRingOff(anatop_ai_itf_t itf, uint32_t delayUsValue) { ANATOP_PllHoldRingOff(itf, true); SDK_DelayAtLeastUs(delayUsValue, SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY); ANATOP_PllHoldRingOff(itf, false); } static void ANATOP_PllEnableSs(anatop_ai_itf_t itf, bool enable) { ANATOP_AI_Write(itf, enable ? PLL_AI_CTRL0_SET_REG : PLL_AI_CTRL0_CLR_REG, PLL_AI_CTRL0_ENABLE_MASK); } static void ANATOP_PllEnableClk(anatop_ai_itf_t itf, bool enable) { ANATOP_AI_Write(itf, enable ? PLL_AI_CTRL0_SET_REG : PLL_AI_CTRL0_CLR_REG, PLL_AI_CTRL0_ENABLE_MASK); } static void ANATOP_PllConfigure( anatop_ai_itf_t itf, uint8_t div, uint32_t numer, uint8_t post_div, uint32_t denom, const clock_pll_ss_config_t *ss) { if (itf != kAI_Itf_1g) { ANATOP_PllSetPower(itf, false); } if (ss != NULL) { ANATOP_AI_Write(itf, PLL_AI_CTRL1_REG, AUDIO_PLL_SPREAD_SPECTRUM_STEP(ss->step) | AUDIO_PLL_SPREAD_SPECTRUM_STOP(ss->stop) | AUDIO_PLL_SPREAD_SPECTRUM_ENABLE_MASK); } ANATOP_AI_Write(itf, PLL_AI_CTRL3_REG, denom); ANATOP_AI_Write(itf, PLL_AI_CTRL2_REG, numer); ANATOP_AI_WriteWithMaskShift(itf, PLL_AI_CTRL0_REG, div, 0x7f, 0); if (itf != kAI_Itf_1g) { ANATOP_AI_WriteWithMaskShift(itf, PLL_AI_CTRL0_REG, post_div, 0xE000000UL, 25UL); } ANATOP_PllEnablePllReg(itf, true); SDK_DelayAtLeastUs(100, SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY); ANATOP_PllSetPower(itf, true); } static void ANATOP_AudioPllGate(bool enable) { if (!enable) { ANADIG_PLL->PLL_AUDIO_CTRL &= ~ANADIG_PLL_PLL_AUDIO_CTRL_PLL_AUDIO_GATE_MASK; } else { ANADIG_PLL->PLL_AUDIO_CTRL |= ANADIG_PLL_PLL_AUDIO_CTRL_PLL_AUDIO_GATE_MASK; } } static void ANATOP_AudioPllSwEnClk(bool enable) { if (!enable) { ANADIG_PLL->PLL_AUDIO_CTRL &= ~ANADIG_PLL_PLL_AUDIO_CTRL_ENABLE_CLK_MASK; } else { ANADIG_PLL->PLL_AUDIO_CTRL |= ANADIG_PLL_PLL_AUDIO_CTRL_ENABLE_CLK_MASK; } } status_t CLOCK_InitAudioPllWithFreq(uint32_t freqInMhz, bool ssEnable, uint32_t ssRange, uint32_t ssMod) { clock_audio_pll_config_t config = {0}; config.ssEnable = ssEnable; if (kStatus_Success == CLOCK_CalcAvPllFreq(&config, freqInMhz)) { if (config.ssEnable) { clock_pll_ss_config_t ss = {0}; CLOCK_CalcPllSpreadSpectrum(config.denominator, ssRange, ssMod, &ss); config.ss = &ss; } CLOCK_InitAudioPll(&config); return kStatus_Success; } return kStatus_Fail; } void CLOCK_InitAudioPll(const clock_audio_pll_config_t *config) { uint32_t reg; bool pllStable = false; PMU_StaticEnablePllLdo(ANADIG_PMU); reg = ANADIG_PLL->PLL_AUDIO_CTRL; if ((reg & (ANADIG_PLL_PLL_AUDIO_CTRL_PLL_AUDIO_STABLE_MASK | ANADIG_PLL_PLL_AUDIO_CTRL_ENABLE_CLK_MASK)) == (ANADIG_PLL_PLL_AUDIO_CTRL_PLL_AUDIO_STABLE_MASK | ANADIG_PLL_PLL_AUDIO_CTRL_ENABLE_CLK_MASK)) { pllStable = true; } /* bypass pll */ ANATOP_PllBypass(kAI_Itf_Audio, true); if (pllStable) { /* sw enable clock */ ANATOP_AudioPllSwEnClk(false); /* gate clock */ ANATOP_AudioPllGate(true); ANATOP_PllEnableClk(kAI_Itf_Audio, false); ANATOP_PllSetPower(kAI_Itf_Audio, false); ANATOP_PllEnablePllReg(kAI_Itf_Audio, false); } ANATOP_AudioPllSwEnClk(true); /* configure pll */ ANATOP_PllConfigure(kAI_Itf_Audio, config->loopDivider, config->numerator, config->postDivider, config->denominator, (config->ssEnable && (config->ss != NULL)) ? config->ss : NULL); /* toggle hold ring off */ ANATOP_PllToggleHoldRingOff(kAI_Itf_Audio, 225); /* wait pll stable */ do { reg = ANADIG_PLL->PLL_AUDIO_CTRL; } while ((reg & ANADIG_PLL_PLL_AUDIO_CTRL_PLL_AUDIO_STABLE_MASK) != ANADIG_PLL_PLL_AUDIO_CTRL_PLL_AUDIO_STABLE_MASK); /* wait for PLL locked */ /* enabled clock */ ANATOP_PllEnableClk(kAI_Itf_Audio, true); /* ungate clock */ ANATOP_AudioPllGate(false); ANATOP_PllBypass(kAI_Itf_Audio, false); } void CLOCK_DeinitAudioPll(void) { ANATOP_AudioPllSwEnClk(false); ANATOP_AudioPllGate(true); ANATOP_PllEnableClk(kAI_Itf_Audio, false); ANATOP_PllSetPower(kAI_Itf_Audio, false); ANATOP_PllEnableSs(kAI_Itf_Audio, false); ANATOP_PllEnablePllReg(kAI_Itf_Audio, false); } void CLOCK_GPC_SetAudioPllOutputFreq(const clock_audio_pll_gpc_config_t *config) { assert(config != NULL); ANADIG_PLL->PLL_AUDIO_DIV_SELECT = config->loopDivider; ANADIG_PLL->PLL_AUDIO_NUMERATOR = config->numerator; ANADIG_PLL->PLL_AUDIO_DENOMINATOR = config->denominator; if ((config->ss != NULL) && config->ssEnable) { ANADIG_PLL->PLL_AUDIO_SS = ANADIG_PLL_PLL_AUDIO_SS_STEP(config->ss->step) | ANADIG_PLL_PLL_AUDIO_SS_STOP(config->ss->stop) | ANADIG_PLL_PLL_AUDIO_SS_ENABLE_MASK; } ANADIG_PLL->PLL_AUDIO_CTRL |= ANADIG_PLL_PLL_AUDIO_CTRL_PLL_AUDIO_CONTROL_MODE_MASK; } static void ANATOP_VideoPllGate(bool enable) { if (!enable) { ANADIG_PLL->PLL_VIDEO_CTRL &= ~ANADIG_PLL_PLL_VIDEO_CTRL_PLL_VIDEO_GATE_MASK; } else { ANADIG_PLL->PLL_VIDEO_CTRL |= ANADIG_PLL_PLL_VIDEO_CTRL_PLL_VIDEO_GATE_MASK; } } static void ANATOP_VideoPllSwEnClk(bool enable) { if (!enable) { ANADIG_PLL->PLL_VIDEO_CTRL &= ~ANADIG_PLL_PLL_VIDEO_CTRL_ENABLE_CLK_MASK; } else { ANADIG_PLL->PLL_VIDEO_CTRL |= ANADIG_PLL_PLL_VIDEO_CTRL_ENABLE_CLK_MASK; } } status_t CLOCK_CalcArmPllFreq(clock_arm_pll_config_t *config, uint32_t freqInMhz) { assert(config != NULL); uint32_t refFreq = (XTAL_FREQ / 1000000UL) * 104UL; /* MHz */ assert((freqInMhz <= refFreq) && (freqInMhz >= 156UL)); /* * ARM_PLL (156Mhz - 2496Mhz configureable ) * freqInMhz = osc_freq * loopDivider / (2 * postDivider) * - loopDivider: 104 - 208 * - postDivider: 0 - 3 * postDivider: * 0 - divide by 2; 1 - divide by 4; 2 - divide by 8; 3 - divide by 1 */ if (freqInMhz >= refFreq) { config->postDivider = kCLOCK_PllPostDiv1; config->loopDivider = 208; } else if (freqInMhz >= (refFreq >> 1)) { config->postDivider = kCLOCK_PllPostDiv1; config->loopDivider = freqInMhz / 12UL; } else if (freqInMhz >= (refFreq >> 2)) { config->postDivider = kCLOCK_PllPostDiv2; config->loopDivider = freqInMhz / 6UL; } else if (freqInMhz >= (refFreq >> 3)) { config->postDivider = kCLOCK_PllPostDiv4; config->loopDivider = freqInMhz / 3UL; } else if (freqInMhz > (refFreq >> 4)) { config->postDivider = kCLOCK_PllPostDiv8; config->loopDivider = 2UL * freqInMhz / 3UL; } else { config->postDivider = kCLOCK_PllPostDiv8; config->loopDivider = 104; } return kStatus_Success; } status_t CLOCK_InitArmPllWithFreq(uint32_t freqInMhz) { clock_arm_pll_config_t config; if (kStatus_Success == CLOCK_CalcArmPllFreq(&config, freqInMhz)) { CLOCK_InitArmPll(&config); return kStatus_Success; } return kStatus_Fail; } status_t CLOCK_CalcAvPllFreq(clock_av_pll_config_t *config, uint32_t freqInMhz) { assert(config != NULL); uint32_t refFreq = (XTAL_FREQ / 1000000UL) * 54UL; /* MHz */ assert((freqInMhz <= refFreq) && (freqInMhz > 20UL)); /* * AUDIO_PLL/VIDEO_PLL (20.3125MHZ--- 1300MHZ configureable ) * freqInMhz = osc_freq * (loopDivider + numerator / (2^28 - 1) ) / 2^postDivider * - loopDivider: 27---54 * - postDivider: 0---5 * - numerator is a signed number, 30 bit, numer[29] is the sign bit, such as +1--->0x00000001; -1---> 0x20000001 * such as: div_sel = 27, numer = 0x026EEEEF, post_div =0, fref = 24.0MHZ, output_fre =24.0*(27 + 40824559/(2^28 - * 1))/2^0 = 651.65M such as: div_sel = 33, numer = 0x0F0AAAAA, post_div =0, fref = 19.2MHZ, output_fre =19.2*(33 + * 252357290/(2^28 - 1))/2^0= 651.65M */ config->denominator = 0x0FFFFFFF; if (freqInMhz >= refFreq) { config->postDivider = 0; config->loopDivider = 54; config->numerator = 0; } else if (freqInMhz >= (refFreq >> 1)) { config->postDivider = 0; config->loopDivider = (uint8_t)(freqInMhz / 24UL); config->numerator = (config->denominator / 24UL) * (freqInMhz % 24UL); } else if (freqInMhz >= (refFreq >> 2)) { config->postDivider = 1; config->loopDivider = (uint8_t)(freqInMhz / 12UL); config->numerator = (config->denominator / 12UL) * (freqInMhz % 12UL); } else if (freqInMhz >= (refFreq >> 3)) { config->postDivider = 2; config->loopDivider = (uint8_t)(freqInMhz / 6UL); config->numerator = (config->denominator / 6UL) * (freqInMhz % 6UL); } else if (freqInMhz >= (refFreq >> 4)) { config->postDivider = 3; config->loopDivider = (uint8_t)(freqInMhz / 3UL); config->numerator = (config->denominator / 3UL) * (freqInMhz % 3UL); } else if (freqInMhz >= (refFreq >> 5)) { config->postDivider = 4; config->loopDivider = (uint8_t)(freqInMhz * 2UL / 3UL); config->numerator = (config->denominator * 2UL / 3UL) * (freqInMhz * 2UL % 3UL); } else if (freqInMhz > (refFreq >> 6)) { config->postDivider = 5; config->loopDivider = (uint8_t)(freqInMhz * 4UL / 3UL); config->numerator = (config->denominator * 4UL / 3UL) * (freqInMhz * 4UL % 3UL); } else { return kStatus_Fail; } return kStatus_Success; } status_t CLOCK_InitVideoPllWithFreq(uint32_t freqInMhz, bool ssEnable, uint32_t ssRange, uint32_t ssMod) { clock_video_pll_config_t config = {0}; config.ssEnable = ssEnable; if (kStatus_Success == CLOCK_CalcAvPllFreq(&config, freqInMhz)) { if (config.ssEnable) { clock_pll_ss_config_t ss = {0}; CLOCK_CalcPllSpreadSpectrum(config.denominator, ssRange, ssMod, &ss); config.ss = &ss; } CLOCK_InitVideoPll(&config); return kStatus_Success; } return kStatus_Fail; } void CLOCK_InitVideoPll(const clock_video_pll_config_t *config) { uint32_t reg; bool pllStable = false; PMU_StaticEnablePllLdo(ANADIG_PMU); reg = ANADIG_PLL->PLL_VIDEO_CTRL; if ((reg & (ANADIG_PLL_PLL_VIDEO_CTRL_PLL_VIDEO_STABLE_MASK | ANADIG_PLL_PLL_VIDEO_CTRL_ENABLE_CLK_MASK)) == (ANADIG_PLL_PLL_VIDEO_CTRL_PLL_VIDEO_STABLE_MASK | ANADIG_PLL_PLL_VIDEO_CTRL_ENABLE_CLK_MASK)) { pllStable = true; } /* bypass pll */ ANATOP_PllBypass(kAI_Itf_Video, true); if (pllStable) { /* sw enable clock */ ANATOP_VideoPllSwEnClk(false); /* gate clock */ ANATOP_VideoPllGate(true); ANATOP_PllEnableClk(kAI_Itf_Video, false); ANATOP_PllSetPower(kAI_Itf_Video, false); ANATOP_PllEnablePllReg(kAI_Itf_Video, false); } ANATOP_VideoPllSwEnClk(true); /* configure pll */ ANATOP_PllConfigure(kAI_Itf_Video, config->loopDivider, config->numerator, config->postDivider, config->denominator, (config->ssEnable && (config->ss != NULL)) ? config->ss : NULL); /* toggle hold ring off */ ANATOP_PllToggleHoldRingOff(kAI_Itf_Video, 225); /* wait pll stable */ do { reg = ANADIG_PLL->PLL_VIDEO_CTRL; } while ((reg & ANADIG_PLL_PLL_VIDEO_CTRL_PLL_VIDEO_STABLE_MASK) != ANADIG_PLL_PLL_VIDEO_CTRL_PLL_VIDEO_STABLE_MASK); /* wait for PLL locked */ /* enabled clock */ ANATOP_PllEnableClk(kAI_Itf_Video, true); /* ungate clock */ ANATOP_VideoPllGate(false); ANATOP_PllBypass(kAI_Itf_Video, false); } void CLOCK_DeinitVideoPll(void) { ANATOP_VideoPllSwEnClk(false); ANATOP_VideoPllGate(true); ANATOP_PllEnableClk(kAI_Itf_Video, false); ANATOP_PllSetPower(kAI_Itf_Video, false); ANATOP_PllEnableSs(kAI_Itf_Video, false); ANATOP_PllEnablePllReg(kAI_Itf_Video, false); } void CLOCK_GPC_SetVideoPllOutputFreq(const clock_video_pll_gpc_config_t *config) { assert(config != NULL); ANADIG_PLL->PLL_VIDEO_DIV_SELECT = config->loopDivider; ANADIG_PLL->PLL_VIDEO_NUMERATOR = config->numerator; ANADIG_PLL->PLL_VIDEO_DENOMINATOR = config->denominator; if ((config->ss != NULL) && config->ssEnable) { ANADIG_PLL->PLL_VIDEO_SS = ANADIG_PLL_PLL_VIDEO_SS_STEP(config->ss->step) | ANADIG_PLL_PLL_VIDEO_SS_STOP(config->ss->stop) | ANADIG_PLL_PLL_VIDEO_SS_ENABLE_MASK; } ANADIG_PLL->PLL_VIDEO_CTRL |= ANADIG_PLL_PLL_VIDEO_CTRL_PLL_VIDEO_CONTROL_MODE_MASK; } static void ANATOP_SysPll1Gate(bool enable) { if (!enable) { ANADIG_PLL->SYS_PLL1_CTRL &= ~ANADIG_PLL_SYS_PLL1_CTRL_SYS_PLL1_GATE_MASK; } else { ANADIG_PLL->SYS_PLL1_CTRL |= ANADIG_PLL_SYS_PLL1_CTRL_SYS_PLL1_GATE_MASK; } } static void ANATOP_SysPll1Div2En(bool enable) { if (!enable) { ANADIG_PLL->SYS_PLL1_CTRL &= ~ANADIG_PLL_SYS_PLL1_CTRL_SYS_PLL1_DIV2_MASK; } else { ANADIG_PLL->SYS_PLL1_CTRL |= ANADIG_PLL_SYS_PLL1_CTRL_SYS_PLL1_DIV2_MASK; } } static void ANATOP_SysPll1Div5En(bool enable) { if (!enable) { ANADIG_PLL->SYS_PLL1_CTRL &= ~ANADIG_PLL_SYS_PLL1_CTRL_SYS_PLL1_DIV5_MASK; } else { ANADIG_PLL->SYS_PLL1_CTRL |= ANADIG_PLL_SYS_PLL1_CTRL_SYS_PLL1_DIV5_MASK; } } static void ANATOP_SysPll1SwEnClk(bool enable) { if (!enable) { ANADIG_PLL->SYS_PLL1_CTRL &= ~ANADIG_PLL_SYS_PLL1_CTRL_ENABLE_CLK_MASK; } else { ANADIG_PLL->SYS_PLL1_CTRL |= ANADIG_PLL_SYS_PLL1_CTRL_ENABLE_CLK_MASK; } } static void ANATOP_SysPll1WaitStable(void) { uint32_t reg; do { reg = ANADIG_PLL->SYS_PLL1_CTRL; } while ((reg & ANADIG_PLL_SYS_PLL1_CTRL_SYS_PLL1_STABLE_MASK) != ANADIG_PLL_SYS_PLL1_CTRL_SYS_PLL1_STABLE_MASK); /* wait for PLL locked */ } /* 1GPLL */ void CLOCK_InitSysPll1(const clock_sys_pll1_config_t *config) { uint8_t div; uint32_t numerator, denominator; PMU_StaticEnablePllLdo(ANADIG_PMU); /* bypass pll */ ANATOP_PllBypass(kAI_Itf_1g, true); /* sw enable clock */ ANATOP_SysPll1SwEnClk(true); denominator = 0x0FFFFFFF; div = 41U; numerator = 178956970UL; /* configure pll */ ANATOP_PllConfigure(kAI_Itf_1g, div, numerator, 0U, denominator, (config->ssEnable && (config->ss != NULL)) ? config->ss : NULL); /* toggle hold ring off */ ANATOP_PllToggleHoldRingOff(kAI_Itf_1g, 225); /* wait pll stable */ ANATOP_SysPll1WaitStable(); /* enabled clock */ ANATOP_PllEnableClk(kAI_Itf_1g, true); /* ungate clock */ ANATOP_SysPll1Gate(false); ANATOP_SysPll1Div2En(config->pllDiv2En); ANATOP_SysPll1Div5En(config->pllDiv5En); /* bypass pll */ ANATOP_PllBypass(kAI_Itf_1g, false); } void CLOCK_DeinitSysPll1(void) { ANATOP_SysPll1SwEnClk(false); ANATOP_SysPll1Div2En(false); ANATOP_SysPll1Div5En(false); ANATOP_SysPll1Gate(true); ANATOP_PllEnableClk(kAI_Itf_1g, false); ANATOP_PllSetPower(kAI_Itf_1g, false); ANATOP_PllEnableSs(kAI_Itf_1g, false); ANATOP_PllEnablePllReg(kAI_Itf_1g, false); } void CLOCK_GPC_SetSysPll1OutputFreq(const clock_sys_pll1_gpc_config_t *config) { assert(config != NULL); ANADIG_PLL->SYS_PLL1_DIV_SELECT = config->loopDivider; ANADIG_PLL->SYS_PLL1_NUMERATOR = config->numerator; ANADIG_PLL->SYS_PLL1_DENOMINATOR = config->denominator; if ((config->ss != NULL) && config->ssEnable) { ANADIG_PLL->SYS_PLL1_SS = ANADIG_PLL_SYS_PLL1_SS_STEP(config->ss->step) | ANADIG_PLL_SYS_PLL1_SS_STOP(config->ss->stop) | ANADIG_PLL_SYS_PLL1_SS_ENABLE_MASK; } ANADIG_PLL->SYS_PLL1_CTRL |= ANADIG_PLL_SYS_PLL1_CTRL_SYS_PLL1_CONTROL_MODE_MASK; } void CLOCK_OSC_EnableOsc24M(void) { if (0UL == (ANADIG_OSC->OSC_24M_CTRL & ANADIG_OSC_OSC_24M_CTRL_OSC_EN_MASK)) { ANADIG_OSC->OSC_24M_CTRL |= ANADIG_OSC_OSC_24M_CTRL_OSC_EN_MASK; while (ANADIG_OSC_OSC_24M_CTRL_OSC_24M_STABLE_MASK != (ANADIG_OSC->OSC_24M_CTRL & ANADIG_OSC_OSC_24M_CTRL_OSC_24M_STABLE_MASK)) { } } } /*! * brief Set the work mode of 24MHz crystal oscillator, the available modes are high gian mode, low power mode, and * bypass mode. * * param workMode The work mode of 24MHz crystal oscillator, please refer to @ref clock_24MOsc_mode_t for details. */ void CLOCK_OSC_SetOsc24MWorkMode(clock_24MOsc_mode_t workMode) { uint32_t tmp32; tmp32 = ANADIG_OSC->OSC_24M_CTRL; tmp32 &= ~(ANADIG_OSC_OSC_24M_CTRL_LP_EN_MASK | ANADIG_OSC_OSC_24M_CTRL_BYPASS_EN_MASK); tmp32 |= (((uint32_t)workMode << ANADIG_OSC_OSC_24M_CTRL_BYPASS_EN_SHIFT) & (ANADIG_OSC_OSC_24M_CTRL_LP_EN_MASK | ANADIG_OSC_OSC_24M_CTRL_BYPASS_EN_MASK)); ANADIG_OSC->OSC_24M_CTRL = tmp32; } /*! * brief Configure the 16MHz oscillator. * * param source Used to select the source for 16MHz RC oscillator, please refer to clock_16MOsc_source_t. * param enablePowerSave Enable/disable power save mode function at 16MHz OSC. * - \b true Enable power save mode function at 16MHz osc. * - \b false Disable power save mode function at 16MHz osc. * param enableClockOut Enable/Disable clock output for 16MHz RCOSC. * - \b true Enable clock output for 16MHz RCOSC. * - \b false Disable clock output for 16MHz RCOSC. */ void CLOCK_OSC_SetOsc16MConfig(clock_16MOsc_source_t source, bool enablePowerSave, bool enableClockOut) { uint32_t tmp32; tmp32 = ANADIG_OSC->OSC_16M_CTRL; tmp32 &= ~(ANADIG_OSC_OSC_16M_CTRL_EN_IRC4M16M_MASK | ANADIG_OSC_OSC_16M_CTRL_EN_POWER_SAVE_MASK | ANADIG_OSC_OSC_16M_CTRL_SOURCE_SEL_16M_MASK); tmp32 |= ANADIG_OSC_OSC_16M_CTRL_EN_IRC4M16M(enableClockOut) | ANADIG_OSC_OSC_16M_CTRL_EN_POWER_SAVE(enablePowerSave) | ANADIG_OSC_OSC_16M_CTRL_SOURCE_SEL_16M(source); ANADIG_OSC->OSC_16M_CTRL = tmp32; } /*! * brief Set the divide value for ref_clk to generate slow clock. * * note slow_clk = ref_clk / (divValue + 1), and the recommand divide value is 24. * * param divValue The divide value to be set, the available range is 0~63. */ void CLOCK_OSC_SetOscRc400MRefClkDiv(uint8_t divValue) { uint32_t tmp32; tmp32 = ANATOP_AI_Read(kAI_Itf_400m, kAI_RCOSC400M_CTRL0); tmp32 = ((tmp32 & ~AI_RCOSC400M_CTRL0_REF_CLK_DIV_MASK) | AI_RCOSC400M_CTRL0_REF_CLK_DIV(divValue)); ANATOP_AI_Write(kAI_Itf_400m, kAI_RCOSC400M_CTRL0, tmp32); } /*! * brief Set the target count for the fast clock. * * param targetCount The desired target for the fast clock, should be the number of clock cycles of the fast_clk per * divided ref_clk. */ void CLOCK_OSC_SetOscRc400MFastClkCount(uint16_t targetCount) { uint32_t tmp32; tmp32 = ANATOP_AI_Read(kAI_Itf_400m, kAI_RCOSC400M_CTRL1); tmp32 = ((tmp32 & ~AI_RCOSC400M_CTRL1_TARGET_COUNT_MASK) | AI_RCOSC400M_CTRL1_TARGET_COUNT(targetCount)); ANATOP_AI_Write(kAI_Itf_400m, kAI_RCOSC400M_CTRL1, tmp32); } /*! * brief Set the negative and positive hysteresis value for the tuned clock. * * note The hysteresis value should be set after the clock is tuned. * * param negHysteresis The negative hysteresis value for the turned clock, this value in number of clock cycles of the * fast clock * param posHysteresis The positive hysteresis value for the turned clock, this value in number of clock cycles of the * fast clock */ void CLOCK_OSC_SetOscRc400MHysteresisValue(uint8_t negHysteresis, uint8_t posHysteresis) { uint32_t tmp32; tmp32 = ANATOP_AI_Read(kAI_Itf_400m, kAI_RCOSC400M_CTRL1); tmp32 = ((tmp32 & ~(AI_RCOSC400M_CTRL1_HYST_PLUS_MASK | AI_RCOSC400M_CTRL1_HYST_MINUS_MASK)) | (AI_RCOSC400M_CTRL1_HYST_PLUS(posHysteresis) | AI_RCOSC400M_CTRL1_HYST_MINUS(negHysteresis))); ANATOP_AI_Write(kAI_Itf_400m, kAI_RCOSC400M_CTRL1, tmp32); } /*! * brief Bypass/un-bypass the tune logic * * param enableBypass Used to control whether to bypass the turn logic. * - \b true Bypass the tune logic and use the programmed oscillator frequency to run the oscillator. * Function CLOCK_OSC_SetOscRc400MTuneValue() can be used to set oscillator frequency. * - \b false Use the output of tune logic to run the oscillator. */ void CLOCK_OSC_BypassOscRc400MTuneLogic(bool enableBypass) { if (enableBypass) { ANATOP_AI_Write(kAI_Itf_400m, kAI_RCOSC400M_CTRL2_SET, AI_RCOSC400M_CTRL2_TUNE_BYP_MASK); } else { ANATOP_AI_Write(kAI_Itf_400m, kAI_RCOSC400M_CTRL2_CLR, AI_RCOSC400M_CTRL2_TUNE_BYP_MASK); } } /*! * brief Start/Stop the tune logic. * * param enable Used to start or stop the tune logic. * - \b true Start tuning * - \b false Stop tuning and reset the tuning logic. */ void CLOCK_OSC_EnableOscRc400MTuneLogic(bool enable) { if (enable) { ANATOP_AI_Write(kAI_Itf_400m, kAI_RCOSC400M_CTRL2_SET, AI_RCOSC400M_CTRL2_TUNE_START_MASK); } else { ANATOP_AI_Write(kAI_Itf_400m, kAI_RCOSC400M_CTRL2_CLR, AI_RCOSC400M_CTRL2_TUNE_START_MASK); } } /*! * brief Freeze/Unfreeze the tuning value. * * param enableFreeze Used to control whether to freeze the tune value. * - \b true Freeze the tune at the current tuned value and the oscillator runs at tje frozen tune value. * - \b false Unfreezes and continues the tune operation. */ void CLOCK_OSC_FreezeOscRc400MTuneValue(bool enableFreeze) { if (enableFreeze) { ANATOP_AI_Write(kAI_Itf_400m, kAI_RCOSC400M_CTRL2_SET, AI_RCOSC400M_CTRL2_TUNE_EN_MASK); } else { ANATOP_AI_Write(kAI_Itf_400m, kAI_RCOSC400M_CTRL2_CLR, AI_RCOSC400M_CTRL2_TUNE_EN_MASK); } } /*! * @brief Set the 400MHz RC oscillator tune value when the tune logic is disabled. * * @param tuneValue The tune value to determine the frequency of Oscillator. */ void CLOCK_OSC_SetOscRc400MTuneValue(uint8_t tuneValue) { uint32_t tmp32; tmp32 = ANATOP_AI_Read(kAI_Itf_400m, kAI_RCOSC400M_CTRL2); tmp32 &= ~AI_RCOSC400M_CTRL2_OSC_TUNE_VAL_MASK; tmp32 |= AI_RCOSC400M_CTRL2_OSC_TUNE_VAL(tuneValue); ANATOP_AI_Write(kAI_Itf_400m, kAI_RCOSC400M_CTRL2, tmp32); } /*! * brief Set the behavior of the 1MHz output clock, such as disable the 1MHz clock output, * enable the free-running 1MHz clock output, enable the locked 1MHz clock output. * * note The 1MHz clock is divided from 400M RC Oscillator. * * param behavior The behavior of 1MHz output clock, please refer to clock_1MHzOut_behavior_t for details. */ void CLOCK_OSC_Set1MHzOutputBehavior(clock_1MHzOut_behavior_t behavior) { uint32_t tmp32; tmp32 = ANATOP_AI_Read(kAI_Itf_400m, kAI_RCOSC400M_CTRL3); tmp32 &= ~(AI_RCOSC400M_CTRL3_EN_1M_CLK_MASK | AI_RCOSC400M_CTRL3_MUX_1M_CLK_MASK); if (behavior == kCLOCK_1MHzOutDisable) { tmp32 |= AI_RCOSC400M_CTRL3_EN_1M_CLK_MASK; } else { if (behavior == kCLOCK_1MHzOutEnableLocked1Mhz) { tmp32 |= AI_RCOSC400M_CTRL3_MUX_1M_CLK_MASK; } } ANATOP_AI_Write(kAI_Itf_400m, kAI_RCOSC400M_CTRL3, tmp32); } /*! * brief Set the count for the locked 1MHz clock out. * * param count Used to set the desired target for the locked 1MHz clock out, the value in number of clock cycles of the * osc_out_400M per divided ref_clk. */ void CLOCK_OSC_SetLocked1MHzCount(uint16_t count) { uint32_t tmp32; uint16_t targetCount; uint16_t hystMinus; uint16_t diffCount; tmp32 = ANATOP_AI_Read(kAI_Itf_400m, kAI_RCOSC400M_CTRL1); targetCount = (uint16_t)((tmp32 & AI_RCOSC400M_CTRL1_TARGET_COUNT_MASK) >> AI_RCOSC400M_CTRL1_TARGET_COUNT_SHIFT); hystMinus = (uint16_t)((tmp32 & AI_RCOSC400M_CTRL1_HYST_MINUS_MASK) >> AI_RCOSC400M_CTRL1_HYST_MINUS_SHIFT); diffCount = targetCount - hystMinus - count; /* The count for the locked 1MHz clock should be 4 to 8 counts less than CTRL[TARGET_COUNT] - CTRL1[HYST_MINUS]. */ if ((diffCount >= 4U) && (diffCount <= 8U)) { tmp32 = (tmp32 & ~AI_RCOSC400M_CTRL3_COUNT_1M_CLK_MASK) | AI_RCOSC400M_CTRL3_COUNT_1M_CLK(count); ANATOP_AI_Write(kAI_Itf_400m, kAI_RCOSC400M_CTRL3, tmp32); } } /*! * brief Check the error flag for locked 1MHz clock out. * * return The error flag for locked 1MHz clock out. * - \b true The count value has been reached within one diviced ref clock period * - \b false No effect. */ bool CLOCK_OSC_CheckLocked1MHzErrorFlag(void) { uint32_t tmp32; tmp32 = ANATOP_AI_Read(kAI_Itf_400m, kAI_RCOSC400M_STAT0); return ((tmp32 & AI_RCOSC400M_STAT0_CLK1M_ERR_MASK) == AI_RCOSC400M_STAT0_CLK1M_ERR_MASK); } /*! * brief Clear the error flag for locked 1MHz clock out. */ void CLOCK_OSC_ClearLocked1MHzErrorFlag(void) { ANATOP_AI_Write(kAI_Itf_400m, kAI_RCOSC400M_CTRL3_SET, AI_RCOSC400M_CTRL3_CLR_ERR_MASK); } /*! * brief Get current count for the fast clock during the tune process. * * return The current count for the fast clock. */ uint16_t CLOCK_OSC_GetCurrentOscRc400MFastClockCount(void) { uint32_t tmp32; tmp32 = ANATOP_AI_Read(kAI_Itf_400m, kAI_RCOSC400M_STAT1); return (uint16_t)((tmp32 & AI_RCOSC400M_STAT1_CURR_COUNT_VAL_MASK) >> AI_RCOSC400M_STAT1_CURR_COUNT_VAL_SHIFT); } /*! * brief Get current tune value used by oscillator during tune process. * * return The current tune value. */ uint8_t CLOCK_OSC_GetCurrentOscRc400MTuneValue(void) { uint32_t tmp32; tmp32 = ANATOP_AI_Read(kAI_Itf_400m, kAI_RCOSC400M_STAT2); return (uint8_t)((tmp32 & AI_RCOSC400M_STAT2_CURR_OSC_TUNE_VAL_MASK) >> AI_RCOSC400M_STAT2_CURR_OSC_TUNE_VAL_SHIFT); } #ifndef GET_FREQ_FROM_OBS static uint32_t CLOCK_GetAvPllFreq(clock_pll_t pll) { uint32_t freq = 0; uint32_t div; uint32_t post_div; double tmpDouble; double denom; double numer; assert((pll == kCLOCK_PllAudio) || (pll == kCLOCK_PllVideo)); div = ANATOP_AI_Read(pll == kCLOCK_PllAudio ? kAI_Itf_Audio : kAI_Itf_Video, PLL_AI_CTRL0_REG); post_div = (div & (0xE000000UL)) >> 25UL; div &= 0x7fUL; denom = (double)ANATOP_AI_Read(pll == kCLOCK_PllAudio ? kAI_Itf_Audio : kAI_Itf_Video, PLL_AI_CTRL3_REG); numer = (double)ANATOP_AI_Read(pll == kCLOCK_PllAudio ? kAI_Itf_Audio : kAI_Itf_Video, PLL_AI_CTRL2_REG); tmpDouble = ((double)XTAL_FREQ * ((double)div + (numer / denom)) / (double)(uint32_t)(1UL << post_div)); freq = (uint32_t)tmpDouble; return freq; } #endif uint32_t CLOCK_GetPllFreq(clock_pll_t pll) { uint32_t freq = 0; #ifndef GET_FREQ_FROM_OBS uint32_t divSelect, postDiv; #endif switch (pll) { case kCLOCK_PllArm: #ifndef GET_FREQ_FROM_OBS divSelect = (ANADIG_PLL->ARM_PLL_CTRL & ANADIG_PLL_ARM_PLL_CTRL_DIV_SELECT_MASK) >> ANADIG_PLL_ARM_PLL_CTRL_DIV_SELECT_SHIFT; postDiv = (ANADIG_PLL->ARM_PLL_CTRL & ANADIG_PLL_ARM_PLL_CTRL_POST_DIV_SEL_MASK) >> ANADIG_PLL_ARM_PLL_CTRL_POST_DIV_SEL_SHIFT; if (postDiv == (uint32_t)kCLOCK_PllPostDiv1) { postDiv = 1UL; } else { postDiv = (1UL << (postDiv + 1UL)); } freq = XTAL_FREQ / (2UL * postDiv); freq *= divSelect; #else freq = CLOCK_GetFreqFromObs(CCM_OBS_ARM_PLL_OUT); #endif break; case kCLOCK_PllSys1: #ifndef GET_FREQ_FROM_OBS freq = SYS_PLL1_FREQ; #else freq = CLOCK_GetFreqFromObs(CCM_OBS_SYS_PLL1_OUT); #endif break; case kCLOCK_PllSys2: #ifndef GET_FREQ_FROM_OBS freq = SYS_PLL2_FREQ; #else freq = CLOCK_GetFreqFromObs(CCM_OBS_SYS_PLL2_OUT); #endif break; case kCLOCK_PllSys3: #ifndef GET_FREQ_FROM_OBS freq = SYS_PLL3_FREQ; #else freq = CLOCK_GetFreqFromObs(CCM_OBS_SYS_PLL3_OUT); #endif break; case kCLOCK_PllAudio: #ifndef GET_FREQ_FROM_OBS freq = CLOCK_GetAvPllFreq(kCLOCK_PllAudio); #else freq = CLOCK_GetFreqFromObs(CCM_OBS_PLL_AUDIO_OUT); #endif break; case kCLOCK_PllVideo: #ifndef GET_FREQ_FROM_OBS freq = CLOCK_GetAvPllFreq(kCLOCK_PllVideo); #else freq = CLOCK_GetFreqFromObs(CCM_OBS_PLL_VIDEO_OUT); #endif break; default: /* Wrong input parameter pll. */ assert(false); break; } assert(freq != 0UL); return freq; } uint32_t CLOCK_GetFreq(clock_name_t name) { uint32_t freq = 0; switch (name) { case kCLOCK_OscRc16M: #ifndef GET_FREQ_FROM_OBS freq = 16000000U; #else freq = CLOCK_GetFreqFromObs(CCM_OBS_OSC_RC_16M); #endif break; case kCLOCK_OscRc48M: #ifndef GET_FREQ_FROM_OBS freq = 48000000U; #else freq = CLOCK_GetFreqFromObs(CCM_OBS_OSC_RC_48M); #endif break; case kCLOCK_OscRc48MDiv2: #ifndef GET_FREQ_FROM_OBS freq = 24000000U; #else freq = CLOCK_GetFreqFromObs(CCM_OBS_OSC_RC_48M_DIV2); #endif break; case kCLOCK_OscRc400M: #ifndef GET_FREQ_FROM_OBS freq = 400000000U; #else freq = CLOCK_GetFreqFromObs(CCM_OBS_OSC_RC_400M); #endif break; case kCLOCK_Osc24MOut: case kCLOCK_Osc24M: #ifndef GET_FREQ_FROM_OBS freq = 24000000U; #else freq = CLOCK_GetFreqFromObs(CCM_OBS_OSC_24M_OUT); #endif break; case kCLOCK_ArmPllOut: case kCLOCK_ArmPll: freq = CLOCK_GetPllFreq(kCLOCK_PllArm); break; case kCLOCK_SysPll2: case kCLOCK_SysPll2Out: freq = CLOCK_GetPllFreq(kCLOCK_PllSys2); break; case kCLOCK_SysPll2Pfd0: freq = CLOCK_GetPfdFreq(kCLOCK_PllSys2, kCLOCK_Pfd0); break; case kCLOCK_SysPll2Pfd1: freq = CLOCK_GetPfdFreq(kCLOCK_PllSys2, kCLOCK_Pfd1); break; case kCLOCK_SysPll2Pfd2: freq = CLOCK_GetPfdFreq(kCLOCK_PllSys2, kCLOCK_Pfd2); break; case kCLOCK_SysPll2Pfd3: freq = CLOCK_GetPfdFreq(kCLOCK_PllSys2, kCLOCK_Pfd3); break; case kCLOCK_SysPll3Out: case kCLOCK_SysPll3: freq = CLOCK_GetPllFreq(kCLOCK_PllSys3); break; case kCLOCK_SysPll3Div2: freq = (CLOCK_GetPllFreq(kCLOCK_PllSys3) / 2UL); break; case kCLOCK_SysPll3Pfd0: freq = CLOCK_GetPfdFreq(kCLOCK_PllSys3, kCLOCK_Pfd0); break; case kCLOCK_SysPll3Pfd1: freq = CLOCK_GetPfdFreq(kCLOCK_PllSys3, kCLOCK_Pfd1); break; case kCLOCK_SysPll3Pfd2: freq = CLOCK_GetPfdFreq(kCLOCK_PllSys3, kCLOCK_Pfd2); break; case kCLOCK_SysPll3Pfd3: freq = CLOCK_GetPfdFreq(kCLOCK_PllSys3, kCLOCK_Pfd3); break; case kCLOCK_SysPll1: case kCLOCK_SysPll1Out: freq = CLOCK_GetPllFreq(kCLOCK_PllSys1); break; case kCLOCK_SysPll1Div2: freq = CLOCK_GetPllFreq(kCLOCK_PllSys1) / 2UL; break; case kCLOCK_SysPll1Div5: freq = CLOCK_GetPllFreq(kCLOCK_PllSys1) / 5UL; break; case kCLOCK_AudioPll: case kCLOCK_AudioPllOut: freq = CLOCK_GetPllFreq(kCLOCK_PllAudio); break; case kCLOCK_VideoPll: case kCLOCK_VideoPllOut: freq = CLOCK_GetPllFreq(kCLOCK_PllVideo); break; case kCLOCK_CpuClk: case kCLOCK_CoreSysClk: freq = CLOCK_GetCpuClkFreq(); break; default: /* Wrong input parameter name. */ assert(false); break; } assert(freq != 0UL); return freq; } void CLOCK_SetGroupConfig(clock_group_t group, const clock_group_config_t *config) { assert(group < kCLOCK_Group_Last); CCM->CLOCK_GROUP[group].CONTROL = ((config->clockOff ? CCM_CLOCK_GROUP_CONTROL_OFF_MASK : 0UL) | ((uint32_t)config->resetDiv << CCM_CLOCK_GROUP_CONTROL_RSTDIV_SHIFT) | (config->div0 << CCM_CLOCK_GROUP_CONTROL_DIV0_SHIFT)); } void CLOCK_OSC_TrimOscRc400M(bool enable, bool bypass, uint16_t trim) { if (enable) { ANADIG_MISC->VDDLPSR_AI400M_CTRL = 0x20UL; ANADIG_MISC->VDDLPSR_AI400M_WDATA = ((uint32_t)bypass << 10UL) | ((uint32_t)trim << 24UL); ANADIG_MISC->VDDLPSR_AI400M_CTRL |= 0x100UL; SDK_DelayAtLeastUs(1, SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY); ANADIG_MISC->VDDLPSR_AI400M_CTRL &= ~0x100UL; } } void CLOCK_OSC_EnableOscRc400M(void) { ANADIG_OSC->OSC_400M_CTRL1 &= ~ANADIG_OSC_OSC_400M_CTRL1_PWD_MASK; ANADIG_OSC->OSC_400M_CTRL2 |= ANADIG_OSC_OSC_400M_CTRL2_ENABLE_CLK_MASK; } uint32_t CLOCK_GetFreqFromObs(uint32_t obsSigIndex, uint32_t obsIndex) { CCM_OBS->OBSERVE[obsIndex].CONTROL = CCM_OBS_OBSERVE_CONTROL_OFF_MASK; /* turn off detect */ CCM_OBS->OBSERVE[obsIndex].CONTROL_SET = CCM_OBS_OBSERVE_CONTROL_RESET_MASK; /* reset slice */ CCM_OBS->OBSERVE[obsIndex].CONTROL_CLR = CCM_OBS_OBSERVE_CONTROL_RAW_MASK; /* select raw obsSigIndex */ CCM_OBS->OBSERVE[obsIndex].CONTROL &= ~CCM_OBS_OBSERVE_CONTROL_SELECT_MASK; /* Select observed obsSigIndex */ CCM_OBS->OBSERVE[obsIndex].CONTROL |= CCM_OBS_OBSERVE_CONTROL_SELECT(obsSigIndex) | CCM_OBS_OBSERVE_CONTROL_DIVIDE(CCM_OBS_DIV); /* turn on detection */ CCM_OBS->OBSERVE[obsIndex].CONTROL_CLR = CCM_OBS_OBSERVE_CONTROL_RESET_MASK | CCM_OBS_OBSERVE_CONTROL_OFF_MASK; /* unreset and turn on detect */ while (CCM_OBS->OBSERVE[obsIndex].FREQUENCY_CURRENT == 0UL) { } return (CCM_OBS->OBSERVE[obsIndex].FREQUENCY_CURRENT * ((uint32_t)CCM_OBS_DIV + 1UL)); } /*! brief Enable USB HS clock. * * This function only enables the access to USB HS prepheral, upper layer * should first call the ref CLOCK_EnableUsbhs0PhyPllClock to enable the PHY * clock to use USB HS. * * param src USB HS does not care about the clock source, here must be ref kCLOCK_UsbSrcUnused. * param freq USB HS does not care about the clock source, so this parameter is ignored. * retval true The clock is set successfully. * retval false The clock source is invalid to get proper USB HS clock. */ bool CLOCK_EnableUsbhs0Clock(clock_usb_src_t src, uint32_t freq) { return true; } /*! brief Enable USB HS PHY PLL clock. * * This function enables the internal 480MHz USB PHY PLL clock. * * param src USB HS PHY PLL clock source. * param freq The frequency specified by src. * retval true The clock is set successfully. * retval false The clock source is invalid to get proper USB HS clock. */ bool CLOCK_EnableUsbhs0PhyPllClock(clock_usb_phy_src_t src, uint32_t freq) { uint32_t phyPllDiv = 0U; uint16_t multiplier = 0U; bool err = false; CLOCK_EnableClock(kCLOCK_Usb); USBPHY1->CTRL_CLR = USBPHY_CTRL_SFTRST_MASK; USBPHY1->PLL_SIC_SET = (USBPHY_PLL_SIC_PLL_POWER(1) | USBPHY_PLL_SIC_PLL_REG_ENABLE_MASK); if ((480000000UL % freq) != 0UL) { return false; } multiplier = (uint16_t)(480000000UL / freq); switch (multiplier) { case 13: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(0U); break; } case 15: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(1U); break; } case 16: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(2U); break; } case 20: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(3U); break; } case 22: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(4U); break; } case 25: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(5U); break; } case 30: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(6U); break; } case 240: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(7U); break; } default: { err = true; break; } } if (err) { return false; } USBPHY1->PLL_SIC = (USBPHY1->PLL_SIC & ~(USBPHY_PLL_SIC_PLL_DIV_SEL_MASK)) | phyPllDiv; USBPHY1->PLL_SIC_CLR = USBPHY_PLL_SIC_PLL_BYPASS_MASK; USBPHY1->PLL_SIC_SET = (USBPHY_PLL_SIC_PLL_EN_USB_CLKS_MASK); USBPHY1->CTRL_CLR = USBPHY_CTRL_CLR_CLKGATE_MASK; while (0UL == (USBPHY1->PLL_SIC & USBPHY_PLL_SIC_PLL_LOCK_MASK)) { } return true; } /*! brief Enable USB HS clock. * * This function only enables the access to USB HS prepheral, upper layer * should first call the ref CLOCK_EnableUsbhs0PhyPllClock to enable the PHY * clock to use USB HS. * * param src USB HS does not care about the clock source, here must be ref kCLOCK_UsbSrcUnused. * param freq USB HS does not care about the clock source, so this parameter is ignored. * retval true The clock is set successfully. * retval false The clock source is invalid to get proper USB HS clock. */ /*! brief Disable USB HS PHY PLL clock. * * This function disables USB HS PHY PLL clock. */ void CLOCK_DisableUsbhs0PhyPllClock(void) { USBPHY1->PLL_SIC_CLR = (USBPHY_PLL_SIC_PLL_EN_USB_CLKS_MASK); USBPHY1->CTRL |= USBPHY_CTRL_CLKGATE_MASK; /* Set to 1U to gate clocks */ } bool CLOCK_EnableUsbhs1Clock(clock_usb_src_t src, uint32_t freq) { return true; } bool CLOCK_EnableUsbhs1PhyPllClock(clock_usb_phy_src_t src, uint32_t freq) { uint32_t phyPllDiv = 0U; uint16_t multiplier = 0U; bool err = false; CLOCK_EnableClock(kCLOCK_Usb); USBPHY2->CTRL_CLR = USBPHY_CTRL_SFTRST_MASK; USBPHY2->PLL_SIC_SET = (USBPHY_PLL_SIC_PLL_POWER(1) | USBPHY_PLL_SIC_PLL_REG_ENABLE_MASK); if ((480000000UL % freq) != 0UL) { return false; } multiplier = (uint16_t)(uint32_t)(480000000UL / freq); switch (multiplier) { case 13: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(0U); break; } case 15: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(1U); break; } case 16: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(2U); break; } case 20: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(3U); break; } case 22: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(4U); break; } case 25: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(5U); break; } case 30: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(6U); break; } case 240: { phyPllDiv = USBPHY_PLL_SIC_PLL_DIV_SEL(7U); break; } default: { err = true; break; } } if (err) { return false; } USBPHY2->PLL_SIC = (USBPHY2->PLL_SIC & ~(USBPHY_PLL_SIC_PLL_DIV_SEL_MASK)) | phyPllDiv; USBPHY2->PLL_SIC_CLR = USBPHY_PLL_SIC_PLL_BYPASS_MASK; USBPHY2->PLL_SIC_SET = (USBPHY_PLL_SIC_PLL_EN_USB_CLKS_MASK); USBPHY2->CTRL_CLR = USBPHY_CTRL_CLR_CLKGATE_MASK; while (0UL == (USBPHY2->PLL_SIC & USBPHY_PLL_SIC_PLL_LOCK_MASK)) { } return true; } /*! brief Disable USB HS PHY PLL clock. * * This function disables USB HS PHY PLL clock. */ void CLOCK_DisableUsbhs1PhyPllClock(void) { USBPHY2->PLL_SIC_CLR = (USBPHY_PLL_SIC_PLL_EN_USB_CLKS_MASK); USBPHY2->CTRL |= USBPHY_CTRL_CLKGATE_MASK; /* Set to 1U to gate clocks */ } void CLOCK_OSCPLL_ControlBySetPointMode(clock_name_t name, uint16_t spValue, uint16_t stbyValue) { /* Set control mode to unassigned mode. */ CCM->OSCPLL[name].AUTHEN &= ~(CCM_OSCPLL_AUTHEN_CPULPM_MASK | CCM_OSCPLL_AUTHEN_DOMAIN_MODE_MASK | CCM_OSCPLL_AUTHEN_SETPOINT_MODE_MASK); /* Change SetPoint value in unassigned mode. */ CCM->OSCPLL[name].SETPOINT = CCM_OSCPLL_SETPOINT_STANDBY(stbyValue) | CCM_OSCPLL_SETPOINT_SETPOINT(spValue); /* Set control mode to SetPoint mode. */ CCM->OSCPLL[name].AUTHEN |= CCM_OSCPLL_AUTHEN_SETPOINT_MODE_MASK; } void CLOCK_OSCPLL_ControlByCpuLowPowerMode(clock_name_t name, uint8_t domainId, clock_level_t level0, clock_level_t level1) { /* Set control mode to unassigned mode. */ CCM->OSCPLL[name].AUTHEN &= ~(CCM_OSCPLL_AUTHEN_SETPOINT_MODE_MASK | CCM_OSCPLL_AUTHEN_DOMAIN_MODE_MASK | CCM_OSCPLL_AUTHEN_CPULPM_MASK); /* Change clock depend level for each domain in unassigned mode. */ CCM->OSCPLL[name].DOMAINr = ((((uint32_t)domainId & (1UL << 1UL)) != 0UL) ? CCM_OSCPLL_DOMAIN_LEVEL1(level1) : 0UL) | (((domainId & (1UL << 0UL)) != 0UL) ? CCM_OSCPLL_DOMAIN_LEVEL0(level0) : 0UL); /* Set control mode to CPU low power mode and update whitelist. */ CCM->OSCPLL[name].AUTHEN = (CCM->OSCPLL[name].AUTHEN & ~CCM_OSCPLL_AUTHEN_WHITE_LIST_MASK) | CCM_OSCPLL_AUTHEN_CPULPM_MASK | CCM_OSCPLL_AUTHEN_WHITE_LIST(domainId); } void CLOCK_ROOT_ControlBySetPointMode(clock_root_t name, const clock_root_setpoint_config_t *spTable) { uint8_t i; /* Set control mode to unassigned mode. */ CLOCK_ROOT_ControlByUnassignedMode(name); /* Change SetPoint value in unassigned mode. */ for (i = 0U; i < 16U; i++) { CLOCK_ROOT_ConfigSetPoint(name, i, &spTable[i]); } /* Set control mode to SetPoint mode. */ CLOCK_ROOT_EnableSetPointControl(name); } void CLOCK_LPCG_ControlBySetPointMode(clock_lpcg_t name, uint16_t spValue, uint16_t stbyValue) { /* Set control mode to unassigned mode. */ CCM->LPCG[name].AUTHEN &= ~(CCM_LPCG_AUTHEN_CPULPM_MASK | CCM_LPCG_AUTHEN_DOMAIN_MODE_MASK | CCM_LPCG_AUTHEN_SETPOINT_MODE_MASK); /* Change SetPoint value in unassigned mode. */ CCM->LPCG[name].SETPOINT = CCM_LPCG_SETPOINT_STANDBY(stbyValue) | CCM_LPCG_SETPOINT_SETPOINT(spValue); /* Set control mode to SetPoint mode. */ CCM->LPCG[name].AUTHEN |= CCM_LPCG_AUTHEN_SETPOINT_MODE_MASK; } void CLOCK_LPCG_ControlByCpuLowPowerMode(clock_lpcg_t name, uint8_t domainId, clock_level_t level0, clock_level_t level1) { /* Set control mode to unassigned mode. */ CCM->LPCG[name].AUTHEN &= ~(CCM_LPCG_AUTHEN_SETPOINT_MODE_MASK | CCM_LPCG_AUTHEN_DOMAIN_MODE_MASK | CCM_LPCG_AUTHEN_CPULPM_MASK); /* Change clock depend level for each domain in unassigned mode. */ CCM->LPCG[name].DOMAINr = ((((uint32_t)domainId & (1UL << 1UL)) != 0UL) ? CCM_LPCG_DOMAIN_LEVEL1(level1) : 0UL) | ((((uint32_t)domainId & (1UL << 0UL)) != 0UL) ? CCM_LPCG_DOMAIN_LEVEL0(level0) : 0UL); /* Set control mode to CPU low power mode and update whitelist. */ CCM->LPCG[name].AUTHEN = (CCM->LPCG[name].AUTHEN & ~CCM_LPCG_AUTHEN_WHITE_LIST_MASK) | CCM_LPCG_AUTHEN_CPULPM_MASK | CCM_LPCG_AUTHEN_WHITE_LIST(domainId); }