/************************************************************************************ * arch/arm/src/sam34/sam4l_periphclks.h * * Copyright (C) 2013 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ************************************************************************************/ #ifndef __ARCH_ARM_SRC_SAM34_SAM4L_PERIPHCLKS_H #define __ARCH_ARM_SRC_SAM34_SAM4L_PERIPHCLKS_H /************************************************************************************ * Included Files ************************************************************************************/ #include /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ /* SAM4L helper macros */ #define sam_enableperipheral(a,s) sam_modifyperipheral(a,0,s) #define sam_disableperipheral(a,s) sam_modifyperipheral(a,s,0) #define sam_cpu_enableperipheral(s) sam_enableperipheral(SAM_PM_CPUMASK,s) #define sam_hsb_enableperipheral(s) sam_enableperipheral(SAM_PM_HSBMASK,s) #define sam_pbc_enableperipheral(s) sam_enableperipheral(SAM_PM_PBCMASK,s) #define sam_pbd_enableperipheral(s) sam_enableperipheral(SAM_PM_PBDMASK,s) #define sam_cpu_disableperipheral(s) sam_disableperipheral(SAM_PM_CPUMASK,s) #define sam_hsb_disableperipheral(s) sam_disableperipheral(SAM_PM_HSBMASK,s) #define sam_pbc_enableperipheral(s) sam_enableperipheral(SAM_PM_PBCMASK,s) #define sam_pbd_enableperipheral(s) sam_enableperipheral(SAM_PM_PBDMASK,s) #define sam_pba_enabledivmask(s) sam_pba_modifydivmask(0,s) #define sam_pba_disabledivmask(s) sam_pba_modifydivmask(s,0) /* Macros to enable clocking to individual peripherals */ #define sam_aesa_enableclk() sam_hsb_enableperipheral(PM_HSBMASK_AESA) #define sam_iisc_enableclk() sam_pba_enableperipheral(PM_PBAMASK_IISC) #define sam_spi_enableclk() sam_pba_enableperipheral(PM_PBAMASK_SPI) #define sam_tc0_enableclk() \ do { \ sam_pba_enableperipheral(PM_PBAMASK_TC0); \ sam_pba_enabledivmask(PM_PBADIVMASK_TIMER_CLOCKS); \ } while (0) #define sam_tc1_enableclk() \ do { \ sam_pba_enableperipheral(PM_PBAMASK_TC1); \ sam_pba_enabledivmask(PM_PBADIVMASK_TIMER_CLOCKS); \ } while (0) #define sam_twim0_enableclk() sam_pba_enableperipheral(PM_PBAMASK_TWIM0) #define sam_twis0_enableclk() sam_pba_enableperipheral(PM_PBAMASK_TWIS0) #define sam_twim1_enableclk() sam_pba_enableperipheral(PM_PBAMASK_TWIM1) #define sam_twis1_enableclk() sam_pba_enableperipheral(PM_PBAMASK_TWIS1) #define sam_usart0_enableclk() \ do { \ sam_pba_enableperipheral(PM_PBAMASK_USART0); \ sam_pba_enabledivmask(PBA_DIVMASK_CLK_USART); \ } while (0) #define sam_usart1_enableclk() \ do { \ sam_pba_enableperipheral(PM_PBAMASK_USART1); \ sam_pba_enabledivmask(PBA_DIVMASK_CLK_USART); \ } while (0) #define sam_usart2_enableclk() \ do { \ sam_pba_enableperipheral(PM_PBAMASK_USART2); \ sam_pba_enabledivmask(PBA_DIVMASK_CLK_USART); \ } while (0) #define sam_usart3_enableclk() \ do { \ sam_pba_enableperipheral(PM_PBAMASK_USART3); \ sam_pba_enabledivmask(PBA_DIVMASK_CLK_USART); \ } while (0) #define sam_adcife_enableclk() sam_pba_enableperipheral(PM_PBAMASK_ADCIFE) #define sam_dacc_enableclk() sam_pba_enableperipheral(PM_PBAMASK_DACC) #define sam_acifc_enableclk() sam_pba_enableperipheral(PM_PBAMASK_ACIFC) #define sam_gloc_enableclk() sam_pba_enableperipheral(PM_PBAMASK_GLOC) #define sam_abdacb_enableclk() sam_pba_enableperipheral(PM_PBAMASK_ABDACB) #define sam_trng_enableclk() sam_pba_enableperipheral(PM_PBAMASK_TRNG) #define sam_parc_enableclk() sam_pba_enableperipheral(PM_PBAMASK_PARC) #define sam_catb_enableclk() sam_pba_enableperipheral(PM_PBAMASK_CATB) #define sam_twim2_enableclk() sam_pba_enableperipheral(PM_PBAMASK_TWIM2) #define sam_twim3_enableclk() sam_pba_enableperipheral(PM_PBAMASK_TWIM3) #define sam_lcdca_enableclk() sam_pba_enableperipheral(PM_PBAMASK_LCDCA) #define sam_flashcalw_enableclk() \ do { \ sam_hsb_enableperipheral(PM_HSBMASK_FLASHCALW); \ sam_pbb_enableperipheral(PM_PBBMASK_FLASHCALW); \ } while (0) #define sam_picocache_enableclk() \ do { \ sam_hsb_enableperipheral(PM_HSBMASK_HRAMC1); \ sam_pbb_enableperipheral(PM_PBBMASK_HRAMC1); \ } while (0) #define sam_hmatrix_enableclk() sam_pbb_enableperipheral(PM_PBBMASK_HMATRIX) #define sam_pdca_enableclk() \ do { \ sam_hsb_enableperipheral(PM_HSBMASK_PDCA); \ sam_pbb_enableperipheral(PM_PBBMASK_PDCA); \ } while (0) #define sam_crccu_enableclk() \ do { \ sam_hsb_enableperipheral(PM_HSBMASK_CRCCU); \ sam_pbb_enableperipheral(PM_PBBMASK_CRCCU); \ } while (0) #define sam_usbc_enableclk() \ do { \ sam_hsb_enableperipheral(PM_HSBMASK_USBC); \ sam_pbb_enableperipheral(PM_PBBMASK_USBC); \ } while (0) #define sam_pevc_enableclk() sam_pbb_enableperipheral(PM_PBBMASK_PEVC) #define sam_pm_enableclk() sam_pbc_enableperipheral(PM_PBCMASK_PM) #define sam_chipid_enableclk() sam_pbc_enableperipheral(PM_PBCMASK_CHIPID) #define sam_scif_enableclk() sam_pbc_enableperipheral(PM_PBCMASK_SCIF) #define sam_freqm_enableclk() sam_pbc_enableperipheral(PM_PBCMASK_FREQM) #define sam_gpio_enableclk() sam_pbc_enableperipheral(PM_PBCMASK_GPIO) #define sam_bpm_enableclk() sam_pbd_enableperipheral(PM_PBDMASK_BPM) #define sam_bscif_enableclk() sam_pbd_enableperipheral(PM_PBDMASK_BSCIF) #define sam_ast_enableclk() sam_pbd_enableperipheral(PM_PBDMASK_AST) #define sam_wdt_enableclk() sam_pbd_enableperipheral(PM_PBDMASK_WDT) #define sam_eic_enableclk() sam_pbd_enableperipheral(PM_PBDMASK_EIC) #define sam_picouart_enableclk() sam_pbd_enableperipheral(PM_PBDMASK_PICOUART) /* Macros to disable clocking to individual peripherals */ #define sam_aesa_disableclk() sam_hsb_disableperipheral(PM_HSBMASK_AESA) #define sam_iisc_disableclk() sam_pba_disableperipheral(PM_PBAMASK_IISC) #define sam_spi_disableclk() sam_pba_disableperipheral(PM_PBAMASK_SPI) #define sam_tc0_disableclk() sam_pba_disableperipheral(PM_PBAMASK_TC0) #define sam_tc1_disableclk() sam_pba_disableperipheral(PM_PBAMASK_TC1) #define sam_twim0_disableclk() sam_pba_disableperipheral(PM_PBAMASK_TWIM0) #define sam_twis0_disableclk() sam_pba_disableperipheral(PM_PBAMASK_TWIS0) #define sam_twim1_disableclk() sam_pba_disableperipheral(PM_PBAMASK_TWIM1) #define sam_twis1_disableclk() sam_pba_disableperipheral(PM_PBAMASK_TWIS1) #define sam_usart0_disableclk() sam_pba_disableperipheral(PM_PBAMASK_USART0) #define sam_usart1_disableclk() sam_pba_disableperipheral(PM_PBAMASK_USART1) #define sam_usart2_disableclk() sam_pba_disableperipheral(PM_PBAMASK_USART2) #define sam_usart3_disableclk() sam_pba_disableperipheral(PM_PBAMASK_USART3) #define sam_adcife_disableclk() sam_pba_disableperipheral(PM_PBAMASK_ADCIFE) #define sam_dacc_disableclk() sam_pba_disableperipheral(PM_PBAMASK_DACC) #define sam_acifc_disableclk() sam_pba_disableperipheral(PM_PBAMASK_ACIFC) #define sam_gloc_disableclk() sam_pba_disableperipheral(PM_PBAMASK_GLOC) #define sam_abdacb_disableclk() sam_pba_disableperipheral(PM_PBAMASK_ABDACB) #define sam_trng_disableclk() sam_pba_disableperipheral(PM_PBAMASK_TRNG) #define sam_parc_disableclk() sam_pba_disableperipheral(PM_PBAMASK_PARC) #define sam_catb_disableclk() sam_pba_disableperipheral(PM_PBAMASK_CATB) #define sam_twim2_disableclk() sam_pba_disableperipheral(PM_PBAMASK_TWIM2) #define sam_twim3_disableclk() sam_pba_disableperipheral(PM_PBAMASK_TWIM3) #define sam_lcdca_disableclk() sam_pba_disableperipheral(PM_PBAMASK_LCDCA) #define sam_flashcalw_disableclk() sam_pba_disableperipheral(PM_HSBMASK_FLASHCALW) #define sam_picocache_disableclk() \ do { \ sam_hsb_disableperipheral(PM_HSBMASK_HRAMC1); \ sam_pbb_disableperipheral(PM_PBBMASK_HRAMC1); \ } while (0) #define sam_hmatrix_disableclk() sam_pbb_disableperipheral(PM_PBBMASK_HMATRIX) #define sam_pdca_disableclk() \ do { \ sam_hsb_disableperipheral(PM_HSBMASK_PDCA); \ sam_pbb_disableperipheral(PM_PBBMASK_PDCA); \ } while (0) #define sam_crccu_disableclk() \ do { \ sam_hsb_disableperipheral(PM_HSBMASK_CRCCU); \ sam_pbb_disableperipheral(PM_PBBMASK_CRCCU); \ } while (0) #define sam_usbc_disableclk() \ do { \ sam_hsb_disableperipheral(PM_HSBMASK_USBC); \ sam_pbb_disableperipheral(PM_PBBMASK_USBC); \ } while (0) #define sam_pevc_disableclk() sam_pbb_disableperipheral(PM_PBBMASK_PEVC) #define sam_pm_disableclk() sam_pbc_disableperipheral(PM_PBCMASK_PM) #define sam_chipid_disableclk() sam_pbc_disableperipheral(PM_PBCMASK_CHIPID) #define sam_scif_disableclk() sam_pbc_disableperipheral(PM_PBCMASK_SCIF) #define sam_freqm_disableclk() sam_pbc_disableperipheral(PM_PBCMASK_FREQM) #define sam_gpio_disableclk() sam_pbc_disableperipheral(PM_PBCMASK_GPIO) #define sam_bpm_disableclk() sam_pbd_disableperipheral(PM_PBDMASK_BPM) #define sam_bscif_disableclk() sam_pbd_disableperipheral(PM_PBDMASK_BSCIF) #define sam_ast_disableclk() sam_pbd_disableperipheral(PM_PBDMASK_AST) #define sam_wdt_disableclk() sam_pbd_disableperipheral(PM_PBDMASK_WDT) #define sam_eic_disableclk() sam_pbd_disableperipheral(PM_PBDMASK_EIC) #define sam_picouart_disableclk() sam_pbd_disableperipheral(PM_PBDMASK_PICOUART) /************************************************************************************ * Public Types ************************************************************************************/ /************************************************************************************ * Inline Functions ************************************************************************************/ #ifndef __ASSEMBLY__ /************************************************************************************ * Public Data ************************************************************************************/ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /************************************************************************************ * Public Function Prototypes ************************************************************************************/ /**************************************************************************** * Name: sam_modifyperipheral * * Description: * This is a convenience function that is intended to be used to enable * or disable module clocking. * ****************************************************************************/ #ifdef CONFIG_ARCH_CHIP_SAM4L void sam_modifyperipheral(uintptr_t regaddr, uint32_t clrbits, uint32_t setbits); #endif /**************************************************************************** * Name: sam_pba_modifydivmask * * Description: * This is a convenience function that is intended to be used to modify * bits in the PBA divided clock (DIVMASK) register. * ****************************************************************************/ #ifdef CONFIG_ARCH_CHIP_SAM4L void sam_pba_modifydivmask(uint32_t clrbits, uint32_t setbits); #endif /**************************************************************************** * Name: sam_pba_enableperipheral * * Description: * This is a convenience function to enable a peripheral on the APBA * bridge. * ****************************************************************************/ #ifdef CONFIG_ARCH_CHIP_SAM4L void sam_pba_enableperipheral(uint32_t bitset); #endif /**************************************************************************** * Name: sam_pba_disableperipheral * * Description: * This is a convenience function to disable a peripheral on the APBA * bridge. * ****************************************************************************/ #ifdef CONFIG_ARCH_CHIP_SAM4L void sam_pba_disableperipheral(uint32_t bitset); #endif /**************************************************************************** * Name: sam_pbb_enableperipheral * * Description: * This is a convenience function to enable a peripheral on the APBB * bridge. * ****************************************************************************/ #ifdef CONFIG_ARCH_CHIP_SAM4L void sam_pbb_enableperipheral(uint32_t bitset); #endif /**************************************************************************** * Name: sam_pbb_disableperipheral * * Description: * This is a convenience function to disable a peripheral on the APBA * bridge. * ****************************************************************************/ #ifdef CONFIG_ARCH_CHIP_SAM4L void sam_pbb_disableperipheral(uint32_t bitset); #endif #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __ASSEMBLY__ */ #endif /* __ARCH_ARM_SRC_SAM34_SAM4L_PERIPHCLKS_H */