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- /** @file sys_pmm.c
- * @brief PCR Driver Implementation File
- * @date 29.May.2013
- * @version 03.05.02
- *
- */
- /* (c) Texas Instruments 2009-2013, All rights reserved. */
- #include "sys_pmm.h"
- /** @fn void pmmInit(void)
- * @brief Initializes the PMM Driver
- *
- * This function initializes the PMM module.
- */
- void pmmInit(void)
- {
- /*Disable clocks to all logic domains*/
- pmmREG->PDCLKDISREG = 0xFU;
- /*Enable or disable clock to pmctrl_wakeup block and automatic clock wake up*/
- pmmREG->GLOBALCTRL1 = (0U << 8U) | (0U << 0U); /*from GUI*/
- /*Power on the logic power domains*/
- pmmREG->LOGICPDPWRCTRL0 = PMM_LOGICPDPWRCTRL0_CONFIGVALUE;
- /*Power on the memory-only power domains*/
- pmmREG->MEMPDPWRCTRL0 = PMM_MEMPDPWRCTRL0_CONFIGVALUE;
- /*wait till Logic Power Domain PD2 turns ON*/
- while((pmmREG->LOGICPDPWRSTAT[PMM_LOGICPD2] & PMM_LOGICPDPWRSTAT_DOMAINON) == 0U)
- {
- }/* Wait */
- /*wait till Logic Power Domain PD3 turns ON*/
- while((pmmREG->LOGICPDPWRSTAT[PMM_LOGICPD3] & PMM_LOGICPDPWRSTAT_DOMAINON) == 0U)
- {
- }/* Wait */
- /*wait till Logic Power Domain PD4 turns OFF*/
- while((pmmREG->LOGICPDPWRSTAT[PMM_LOGICPD4] & PMM_LOGICPDPWRSTAT_LOGICPDPWRSTAT) != 0U)
- {
- }/* Wait */
- /*wait till Logic Power Domain PD5 turns ON*/
- while((pmmREG->LOGICPDPWRSTAT[PMM_LOGICPD5] & PMM_LOGICPDPWRSTAT_DOMAINON) == 0U)
- {
- }/* Wait */
- /*wait till Memory Only Power Domain RAM_PD1 turns ON*/
- while((pmmREG->MEMPDPWRSTAT[PMM_MEMPD1] & PMM_MEMPDPWRSTAT_DOMAINON) == 0U)
- {
- }/* Wait */
- /*wait till Memory Only Power Domain RAM_PD2 turns ON*/
- while((pmmREG->MEMPDPWRSTAT[PMM_MEMPD2] & PMM_MEMPDPWRSTAT_DOMAINON) == 0U)
- {
- }/* Wait */
- /*wait till Memory Only Power Domain RAM_PD3 turns ON*/
- while((pmmREG->MEMPDPWRSTAT[PMM_MEMPD3] & PMM_MEMPDPWRSTAT_DOMAINON) == 0U)
- {
- }/* Wait */
- if ((pmmREG->GLOBALCTRL1 & PMM_GLOBALCTRL1_AUTOCLKWAKEENA) == 0U)
- {
- /* Enable clocks for the selected logic domain */
- pmmREG->PDCLKDISREG = PMM_PDCLKDISREG_CONFIGVALUE;
- }
- }
- /** @fn void pmmTurnONLogicPowerDomain(pmm_LogicPD_t logicPD)
- * @brief Turns on Logic Power Domain
- * @param[in] logicPD - Power Domain to be turned on
- * - PMM_LOGICPD2: Power domain PD2 will be turned on
- * - PMM_LOGICPD3: Power domain PD3 will be turned on
- * - PMM_LOGICPD4: Power domain PD4 will be turned on
- * - PMM_LOGICPD5: Power domain PD5 will be turned on
- *
- * This function turns on the selected Logic Power Domain
- *
- */
- void pmmTurnONLogicPowerDomain(pmm_LogicPD_t logicPD)
- {
- if (logicPD != PMM_LOGICPD1)
- {
- /* Power on the domain */
- if (logicPD == PMM_LOGICPD2)
- {
- pmmREG->LOGICPDPWRCTRL0 = (pmmREG->LOGICPDPWRCTRL0 & 0xF0FFFFFFU) | (0x5U << 24U);
- }
- else if (logicPD == PMM_LOGICPD3)
- {
- pmmREG->LOGICPDPWRCTRL0 = (pmmREG->LOGICPDPWRCTRL0 & 0xFFF0FFFFU) | (0x5U << 16U);
- }
- else if (logicPD == PMM_LOGICPD4)
- {
- pmmREG->LOGICPDPWRCTRL0 = (pmmREG->LOGICPDPWRCTRL0 & 0xFFFFF0FFU) | (0x5U << 8U);
- }
- else
- {
- pmmREG->LOGICPDPWRCTRL0 = (pmmREG->LOGICPDPWRCTRL0 & 0xFFFFFFF0U) | (0x5U << 0U);
- }
- /* Wait until the power domain turns on */
- while((pmmREG->LOGICPDPWRSTAT[logicPD] & PMM_LOGICPDPWRSTAT_DOMAINON) == 0U)
- {
- }/* Wait */
- if ((pmmREG->GLOBALCTRL1 & PMM_GLOBALCTRL1_AUTOCLKWAKEENA) == 0U)
- {
- /* Enable clocks to the power domain */
- pmmREG->PDCLKDISCLRREG = 1U << (uint32)logicPD;
- }
- }
- }
- /** @fn void pmmTurnONMemPowerDomain(pmm_MemPD_t memPD)
- * @brief Turns on Memory Power Domain
- * @param[in] memPD - Power Domain to be tured on
- * - PMM_MEMPD1: Power domain RAM_PD1 will be turned on
- * - PMM_MEMPD2: Power domain RAM_PD2 will be turned on
- * - PMM_MEMPD3: Power domain RAM_PD3 will be turned on
- *
- * This function turns on the selected Memory Power Domain
- *
- */
- void pmmTurnONMemPowerDomain(pmm_MemPD_t memPD)
- {
- /* Power on the domain */
- if (memPD == PMM_MEMPD1)
- {
- pmmREG->MEMPDPWRCTRL0 = (pmmREG->MEMPDPWRCTRL0 & 0xF0FFFFFFU) | (0x5U << 24U);
- }
- else if (memPD == PMM_MEMPD2)
- {
- pmmREG->MEMPDPWRCTRL0 = (pmmREG->MEMPDPWRCTRL0 & 0xFFF0FFFFU) | (0x5U << 16U);
- }
- else
- {
- pmmREG->MEMPDPWRCTRL0 = (pmmREG->MEMPDPWRCTRL0 & 0xFFFFF0FFU) | (0x5U << 8U);
- }
- /*Wait until the power domain turns on*/
- while((pmmREG->MEMPDPWRSTAT[memPD] & PMM_MEMPDPWRSTAT_DOMAINON) == 0U)
- {
- }/* Wait */
- }
- /** @fn void pmmTurnOFFLogicPowerDomain(pmm_LogicPD_t logicPD)
- * @brief Turns off Logic Power Domain
- * @param[in] logicPD - Power Domain to be tured off
- * - PMM_LOGICPD2: Power domain PD2 will be turned off
- * - PMM_LOGICPD3: Power domain PD3 will be turned off
- * - PMM_LOGICPD4: Power domain PD4 will be turned off
- * - PMM_LOGICPD5: Power doamin PD5 will be turned off
- *
- * This function turns off the selected Logic Power Domain
- *
- */
- void pmmTurnOFFLogicPowerDomain(pmm_LogicPD_t logicPD)
- {
- if (logicPD != PMM_LOGICPD1)
- {
- /* Disable all clocks to the power domain */
- pmmREG->PDCLKDISSETREG = 1U << (uint32)logicPD;
-
- /* Power down the domain */
- if (logicPD == PMM_LOGICPD2)
- {
- pmmREG->LOGICPDPWRCTRL0 = (pmmREG->LOGICPDPWRCTRL0 & 0xF0FFFFFFU) | (0xAU << 24U);
- }
- else if (logicPD == PMM_LOGICPD3)
- {
- pmmREG->LOGICPDPWRCTRL0 = (pmmREG->LOGICPDPWRCTRL0 & 0xFFF0FFFFU) | (0xAU << 16U);
- }
- else if (logicPD == PMM_LOGICPD4)
- {
- pmmREG->LOGICPDPWRCTRL0 = (pmmREG->LOGICPDPWRCTRL0 & 0xFFFFF0FFU) | (0xAU << 8U);
- }
- else
- {
- pmmREG->LOGICPDPWRCTRL0 = (pmmREG->LOGICPDPWRCTRL0 & 0xFFFFFFF0U) | (0xAU << 0U);
- }
- /* Wait until the power domain turns off */
- while((pmmREG->LOGICPDPWRSTAT[logicPD] & PMM_LOGICPDPWRSTAT_LOGICPDPWRSTAT) != 0U)
- {
- }/* Wait */
- }
- }
- /** @fn void pmmTurnOFFMemPowerDomain(pmm_MemPD_t memPD)
- * @brief Turns off Memory Power Domain
- * @param[in] memPD - Power Domain to be tured off
- * - PMM_MEMPD1: Power domain RAM_PD1 will be turned off
- * - PMM_MEMPD2: Power domain RAM_PD2 will be turned off
- * - PMM_MEMPD3: Power domain RAM_PD3 will be turned off
- *
- * This function turns off the selected Memory Power Domain
- *
- */
- void pmmTurnOFFMemPowerDomain(pmm_MemPD_t memPD)
- {
- /* Power down the domain */
- if (memPD == PMM_MEMPD1)
- {
- pmmREG->MEMPDPWRCTRL0 = (pmmREG->MEMPDPWRCTRL0 & 0xF0FFFFFFU) | (0xAU << 24U);
- }
- else if (memPD == PMM_MEMPD2)
- {
- pmmREG->MEMPDPWRCTRL0 = (pmmREG->MEMPDPWRCTRL0 & 0xFFF0FFFFU) | (0xAU << 16U);
- }
- else
- {
- pmmREG->MEMPDPWRCTRL0 = (pmmREG->MEMPDPWRCTRL0 & 0xFFFFF0FFU) | (0xAU << 8U);
- }
- /*Wait until the power domain turns off*/
- while((pmmREG->MEMPDPWRSTAT[memPD] & PMM_MEMPDPWRSTAT_MEMPDPWRSTAT) != 0U)
- {
- }/* Wait */
- }
- /** @fn boolean pmmIsLogicPowerDomainActive(pmm_LogicPD_t logicPD)
- * @brief Check if the power domain is active or not
- * @param[in] logicPD - Power Domain to be be checked
- * - PMM_LOGICPD2: Checks whether Power domain PD2 is active or not
- * - PMM_LOGICPD3: Checks whether Power domain PD3 is active or not
- * - PMM_LOGICPD4: Checks whether Power domain PD4 is active or not
- * - PMM_LOGICPD5: Checks whether Power domain PD5 is active or not
- * @return The function will return:
- * - TRUE : When the selected power domain is in Active state.
- * - FALSE: When the selected power domain is in OFF state.
- *
- * This function checks whether the selected power domain is active or not.
- *
- */
- boolean pmmIsLogicPowerDomainActive(pmm_LogicPD_t logicPD)
- {
- boolean status;
- if ((pmmREG->LOGICPDPWRSTAT[logicPD] & PMM_LOGICPDPWRSTAT_DOMAINON) == 0U)
- {
- status = FALSE;
- }
- else
- {
- status = TRUE;
- }
- return status;
- }
- /** @fn boolean pmmIsMemPowerDomainActive(pmm_MemPD_t memPD)
- * @brief Check if the power domain is active or not
- * @param[in] memPD - Power Domain to be tured off
- * - PMM_MEMPD1: Checks whether Power domain RAM_PD1 is active or not
- * - PMM_MEMPD2: Checks whether Power domain RAM_PD2 is active or not
- * - PMM_MEMPD3: Checks whether Power domain RAM_PD3 is active or not
- * @return The function will return:
- * - TRUE : When the selected power domain is in Active state.
- * - FALSE: When the selected power domain is in OFF state.
- *
- * This function checks whether the selected power domain is active or not.
- *
- */
- boolean pmmIsMemPowerDomainActive(pmm_MemPD_t memPD)
- {
- boolean status;
- if ((pmmREG->MEMPDPWRSTAT[memPD] & PMM_MEMPDPWRSTAT_DOMAINON) == 0U)
- {
- status = FALSE;
- }
- else
- {
- status = TRUE;
- }
- return status;
- }
- /** @fn void pmmGetConfigValue(pmm_config_reg_t *config_reg, config_value_type_t type)
- * @brief Get the initial or current values of the configuration register
- * @param[in] *config_reg - pointer to the struct to which the initial or current value of the configuration registers need to be stored
- * @param[in] type - whether initial or current value of the configuration registers need to be stored
- * - InitialValue: initial value of the configuration registers will be stored in the struct pointed by config_reg
- * - CurrentValue: initial value of the configuration registers will be stored in the struct pointed by config_reg
- * This function will copy the initial or current value (depending on the parameter 'type') of the configuration registers to the struct pointed by config_reg
- */
- void pmmGetConfigValue(pmm_config_reg_t *config_reg, config_value_type_t type)
- {
- if (type == InitialValue)
- {
- config_reg->CONFIG_LOGICPDPWRCTRL0 = PMM_LOGICPDPWRCTRL0_CONFIGVALUE;
- config_reg->CONFIG_MEMPDPWRCTRL0 = PMM_MEMPDPWRCTRL0_CONFIGVALUE;
- config_reg->CONFIG_PDCLKDISREG = PMM_PDCLKDISREG_CONFIGVALUE;
- config_reg->CONFIG_GLOBALCTRL1 = PMM_GLOBALCTRL1_CONFIGVALUE;
- }
- else
- {
- config_reg->CONFIG_LOGICPDPWRCTRL0 = pmmREG->LOGICPDPWRCTRL0;
- config_reg->CONFIG_MEMPDPWRCTRL0 = pmmREG->MEMPDPWRCTRL0;
- config_reg->CONFIG_PDCLKDISREG = pmmREG->PDCLKDISREG;
- config_reg->CONFIG_GLOBALCTRL1 = pmmREG->GLOBALCTRL1;
- }
- }
- /** @fn void pmmSetMode(pmm_Mode_t mode)
- * @brief Set PSCON Compare Block Mode
- * @param[in] mode - PSCON Compare Block mode
- * - LockStep : PSCON compare block is set to Lock-Step mode
- * - SelfTest : PSCON compare block is set to Self-Test mode
- * - ErrorForcing : PSCON compare block is set to Error-Forcing mode
- * - SelfTestErrorForcing : PSCON compare block is set to Self-Test-Error-Forcing mode
- *
- * This function sets the PSCON Compare block to the selected mode
- *
- */
- void pmmSetMode(pmm_Mode_t mode)
- {
- /* Set PSCON Compare Block Mode */
- pmmREG->PRCKEYREG = mode;
- }
- /** @fn boolean pmmPerformSelfTest(void)
- * @brief Perform self test and return the result
- *
- * @return The function will return
- * - TRUE if PSCON compare block passed self-test
- * - FALSE if PSCON compare block failed in self-test
- *
- * This function checks whether PSCON compare block passed the self-test or not.
- *
- */
- boolean pmmPerformSelfTest(void)
- {
- boolean status = TRUE;
- /*Enter self-test mode*/
- pmmREG->PRCKEYREG = SelfTest;
- /*Wait till self test is completed*/
- while ((pmmREG->LPDDCSTAT1 & 0xFU) != 0xFU)
- {
- }/* Wait */
-
- while ((pmmREG->MPDDCSTAT1 & 0x7U) != 0x7U)
- {
- }/* Wait */
- /*Check whether self-test passed or not*/
- if ((pmmREG->LPDDCSTAT2 & 0xFU) != 0U)
- {
- status = FALSE;
- }
- if ((pmmREG->MPDDCSTAT2 & 0x7U) != 0U)
- {
- status = FALSE;
- }
- /*Enter lock-step mode*/
- pmmREG->PRCKEYREG = LockStep;
- return status;
- }
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