471 lines
18 KiB
C
471 lines
18 KiB
C
/**
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*********************************************************************************************************
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* Copyright(c) 2015, Realtek Semiconductor Corporation. All rights reserved.
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*********************************************************************************************************
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* \file rtl876x_rcc.h
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* \brief The header file of the clock control and reset driver.
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* \details This file provides all peripheral clock control firmware functions.
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* \author tifnan_ge
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* \date 2015-05-16
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* \version v0.1
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* *********************************************************************************************************
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*/
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#ifndef _RTL876X_RCC_H_
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#define _RTL876X_RCC_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \addtogroup IO Peripheral Drivers
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* \defgroup RCC RCC
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*
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* \brief Manage the RCC peripheral functions.
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*
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* \ingroup IO
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*/
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/*============================================================================*
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* Includes
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*============================================================================*/
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#include "rtl876x.h"
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/*============================================================================*
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* Constants
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*============================================================================*/
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/**
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* \defgroup RCC_Exported_Constants Macro Definitions
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*
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* \ingroup RCC
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*/
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/**
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* \defgroup RCC_Peripheral_Clock RCC Peripheral Clock
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* \{
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* \ingroup RCC_Exported_Constants
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*/
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#define APBPeriph_I2S0_CLOCK ((uint32_t)((1 << 5) | (1 << 8) | (0x00 << 29)))
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#define APBPeriph_I2S1_CLOCK ((uint32_t)((1 << 6) | (1 << 8) | (0x00 << 29)))
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#define APBPeriph_CODEC_CLOCK ((uint32_t)((1 << 4) | (0x00 << 29)))
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#define APBPeriph_GPIO_CLOCK ((uint32_t)((0x01 << 24) | (0x01 << 29)))
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#define APBPeriph_GDMA_CLOCK ((uint32_t)((0x01 << 16) | (0x01 << 29)))
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#define APBPeriph_TIMER_CLOCK ((uint32_t)((0x01 << 14) | (0x01 << 29)))
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#define APBPeriph_ENHTIMER_CLOCK ((uint32_t)((0x01 << 14) | (0x01 << 29)))
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#define APBPeriph_UART2_CLOCK ((uint32_t)((0x01 << 10) | (0x01 << 29)))
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#define APBPeriph_UART1_CLOCK ((uint32_t)((0x01 << 12) | (0x01 << 29)))
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#define APBPeriph_FLASH_CLOCK ((uint32_t)((0x01 << 8) | (0x01 << 29)))
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#define APBPeriph_FLASH2_CLOCK ((uint32_t)((0x01 << 26) | (0x02 << 29)))
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#define APBPeriph_FLASH1_CLOCK ((uint32_t)((0x01 << 24) | (0x02 << 29)))
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#define APBPeriph_IR_CLOCK ((uint32_t)((0x01 << 20) | (0x02 << 29)))
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#define APBPeriph_SPI1_CLOCK ((uint32_t)((0x01 << 18) | (0x02 << 29)))
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#define APBPeriph_SPI0_CLOCK ((uint32_t)((0x01 << 16) | (0x02 << 29)))
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#define APBPeriph_CTC_CLOCK ((uint32_t)((0x01 << 12) | (0x02 << 29)))
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#define APBPeriph_UART0_CLOCK ((uint32_t)((0x01 << 0) | (0x02 << 29)))
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#define APBPeriph_IF8080_CLOCK ((uint32_t)((0x01 << 28) | (0x03 << 29)))
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#define APBPeriph_ADC_CLOCK ((uint32_t)((0x01 << 24) | (0x03 << 29)))
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#define APBPeriph_SPI2W_CLOCK ((uint32_t)((0x01 << 16) | (0x03 << 29)))
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#define APBPeriph_KEYSCAN_CLOCK ((uint32_t)((0x01 << 6) | (0x03 << 29)))
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#define APBPeriph_QDEC_CLOCK ((uint32_t)((0x01 << 4) | (0x03 << 29)))
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#define APBPeriph_I2C1_CLOCK ((uint32_t)((0x01 << 2) | (0x03 << 29)))
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#define APBPeriph_I2C0_CLOCK ((uint32_t)((0x01 << 0) | (0x03 << 29)))
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/** \} */
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#define IS_APB_PERIPH_CLOCK(CLOCK) (((CLOCK) == APBPeriph_GPIO_CLOCK) || ((CLOCK) == APBPeriph_GDMA_CLOCK)\
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|| ((CLOCK) == APBPeriph_TIMER_CLOCK) || ((CLOCK) == APBPeriph_IR_CLOCK)\
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|| ((CLOCK) == APBPeriph_SPI1_CLOCK) || ((CLOCK) == APBPeriph_SPI0_CLOCK)\
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|| ((CLOCK) == APBPeriph_UART0_CLOCK) || ((CLOCK) == APBPeriph_ADC_CLOCK)\
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|| ((CLOCK) == APBPeriph_SPI2W_CLOCK) || ((CLOCK) == APBPeriph_KEYSCAN_CLOCK)\
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|| ((CLOCK) == APBPeriph_QDEC_CLOCK) || ((CLOCK) == APBPeriph_I2C1_CLOCK)\
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|| ((CLOCK) == APBPeriph_I2C0_CLOCK) || ((CLOCK) == APBPeriph_CODEC_CLOCK)\
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|| ((CLOCK) == APBPeriph_UART1_CLOCK) || ((CLOCK) == APBPeriph_UART2_CLOCK)\
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|| ((CLOCK) == APBPeriph_I2S0_CLOCK) || ((CLOCK) == APBPeriph_I2S1_CLOCK)\
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|| ((CLOCK) == APBPeriph_IF8080_CLOCK) || ((CLOCK) == APBPeriph_ENHTIMER_CLOCK))
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/**
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* \defgroup APB_Peripheral_Define APB Peripheral Define
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* \{
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* \ingroup RCC_Exported_Constants
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*/
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#define APBPeriph_CTC ((uint32_t)((1 << 21) | (0x00 << 26)))
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#define APBPeriph_TIMER ((uint32_t)((1 << 16) | (0x00 << 26)))
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#define APBPeriph_ENHTIMER ((uint32_t)((1 << 16) | (0x00 << 26)))
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#define APBPeriph_GDMA ((uint32_t)((1 << 13) | (0x00 << 26)))
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#define APBPeriph_UART1 ((uint32_t)((1 << 12) | (0x00 << 26)))
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#define APBPeriph_FLASH2 ((uint32_t)((1 << 5) | (0x00 << 26)))
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#define APBPeriph_FLASH ((uint32_t)((1 << 4) | (0x00 << 26)))
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#define APBPeriph_FLASH1 ((uint32_t)((1 << 3) | (0x00 << 26)))
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#define APBPeriph_IF8080 ((uint32_t)((1 << 25) | (0x02 << 26)))
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#define APBPeriph_SPI2W ((uint32_t)((1 << 24) | (0x02 << 26)))
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#define APBPeriph_KEYSCAN ((uint32_t)((1 << 19) | (0x02 << 26)))
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#define APBPeriph_QDEC ((uint32_t)((1 << 18) | (0x02 << 26)))
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#define APBPeriph_I2C1 ((uint32_t)((1 << 17) | (0x02 << 26)))
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#define APBPeriph_I2C0 ((uint32_t)((1 << 16) | (0x02 << 26)))
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#define APBPeriph_IR ((uint32_t)((1 << 10) | (0x02 << 26)))
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#define APBPeriph_SPI1 ((uint32_t)((1 << 9) | (0x02 << 26)))
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#define APBPeriph_SPI0 ((uint32_t)((1 << 8) | (0x02 << 26)))
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#define APBPeriph_UART0 ((uint32_t)((1 << 0) | (0x02 << 26)))
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#define APBPeriph_UART2 ((uint32_t)((1 << 1) | (0x02 << 26)))
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#define APBPeriph_GPIO ((uint32_t)((1 << 8) | (0x03 << 26)))
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#define APBPeriph_ADC ((uint32_t)((1 << 0) | (0x03 << 26)))
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#define APBPeriph_I2S1 ((uint32_t)((1 << 2) | (0x00 << 26)))
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#define APBPeriph_I2S0 ((uint32_t)((1 << 1) | (0x00 << 26)))
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#define APBPeriph_CODEC ((uint32_t)((1 << 0) | (0x00 << 26)))
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/** \} */
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#define IS_APB_PERIPH(PERIPH) (((PERIPH) == APBPeriph_TIMER) || ((PERIPH) == APBPeriph_GDMA)\
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|| ((PERIPH) == APBPeriph_SPI2W) || ((PERIPH) == APBPeriph_KEYSCAN)\
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|| ((PERIPH) == APBPeriph_QDEC) || ((PERIPH) == APBPeriph_I2C1)\
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|| ((PERIPH) == APBPeriph_I2C0) || ((PERIPH) == APBPeriph_IR)\
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|| ((PERIPH) == APBPeriph_SPI1) || ((PERIPH) == APBPeriph_SPI0)\
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|| ((PERIPH) == APBPeriph_UART0) || ((PERIPH) == APBPeriph_GPIO)\
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|| ((PERIPH) == APBPeriph_ADC) || ((PERIPH) == APBPeriph_CODEC)\
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|| (PERIPH == APBPeriph_UART1) || (PERIPH == APBPeriph_UART2)\
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|| ((PERIPH) == APBPeriph_I2S0) || ((PERIPH) == APBPeriph_I2S1)\
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|| ((PERIPH) == APBPeriph_IF8080) || ((PERIPH) == APBPeriph_ENHTIMER))
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/**
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* \defgroup RCC_Peripheral_Clock RCC Peripheral Clock
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* \{
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* \ingroup RCC_Exported_Constants
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*/
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#define CLOCK_GATE_5M ((uint32_t)(0x01 << 29))/* 5M clock source for adc and keyscan */
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#define CLOCK_GATE_20M ((uint32_t)(0x01 << 27))/* 20M clock source for 2wssi and qdec */
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#define CLOCK_GATE_10M ((uint32_t)(0x01 << 28))/* 10M clock source for bluewiz */
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/** \} */
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#define IS_CLOCK_GATE(CLOCK) (((CLOCK) == CLOCK_GATE_5M) || ((CLOCK) == CLOCK_GATE_20M)\
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|| ((CLOCK) == CLOCK_GATE_10M))
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/**
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* \defgroup I2C_Clock_Divider I2C Clock Divider
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* \{
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* \ingroup RCC_Exported_Constants
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*/
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#define I2C_CLOCK_DIV_1 ((uint16_t)0x0)
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#define I2C_CLOCK_DIV_2 ((uint16_t)0x1)
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#define I2C_CLOCK_DIV_4 ((uint16_t)0x2)
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#define I2C_CLOCK_DIV_8 ((uint16_t)0x3)
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/** \} */
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#define IS_I2C_DIV(DIV) (((DIV) == I2C_CLOCK_DIV_1) || \
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((DIV) == I2C_CLOCK_DIV_2) || \
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((DIV) == I2C_CLOCK_DIV_4) || \
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((DIV) == I2C_CLOCK_DIV_8))
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/**
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* \defgroup SPI_Clock_Divider SPI Clock Divider
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* \{
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* \ingroup RCC_Exported_Constants
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*/
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#define SPI_CLOCK_DIV_1 ((uint16_t)0x0)
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#define SPI_CLOCK_DIV_2 ((uint16_t)0x1)
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#define SPI_CLOCK_DIV_4 ((uint16_t)0x2)
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#define SPI_CLOCK_DIV_8 ((uint16_t)0x3)
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/** \} */
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#define IS_SPI_DIV(DIV) (((DIV) == SPI_CLOCK_DIV_1) || \
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((DIV) == SPI_CLOCK_DIV_2) || \
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((DIV) == SPI_CLOCK_DIV_4) || \
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((DIV) == SPI_CLOCK_DIV_8))
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/**
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* \defgroup UART_Clock_Divider UART Clock Divider
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* \{
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* \ingroup RCC_Exported_Constants
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*/
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#define UART_CLOCK_DIV_1 ((uint16_t)0x0)
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#define UART_CLOCK_DIV_2 ((uint16_t)0x1)
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#define UART_CLOCK_DIV_4 ((uint16_t)0x2)
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#define UART_CLOCK_DIV_16 ((uint16_t)0x3)
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/** \} */
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#define IS_UART_DIV(DIV) (((DIV) == UART_CLOCK_DIV_1) || \
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((DIV) == UART_CLOCK_DIV_2) || \
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((DIV) == UART_CLOCK_DIV_4) || \
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((DIV) == UART_CLOCK_DIV_16))
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/**
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* \defgroup TIM_Clock_Divider TIM Clock Divider
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* \{
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* \ingroup RCC_Exported_Constants
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*/
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#define TIM_CLOCK_DIV_1 0x00
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#define TIM_CLOCK_DIV_125 0x03
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#define TIM_CLOCK_DIV_2 0x04
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#define TIM_CLOCK_DIV_4 0x05
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#define TIM_CLOCK_DIV_8 0x06
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#define TIM_CLOCK_DIV_40 0x07
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/** \} */
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#define IS_TIM_DIV(DIV) (((DIV) == TIM_CLOCK_DIV_1) || \
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((DIV) == TIM_CLOCK_DIV_125) || \
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((DIV) == TIM_CLOCK_DIV_2) || \
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((DIV) == TIM_CLOCK_DIV_4) || \
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((DIV) == TIM_CLOCK_DIV_8) || \
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((DIV) == TIM_CLOCK_DIV_40))
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/**
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* \defgroup TIM_Clock_Divider TIM Clock Divider
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* \{
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* \ingroup RCC_Exported_Constants
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*/
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typedef enum
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{
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TIM_CLK_2 = 2,
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TIM_CLK_3,
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TIM_CLK_4,
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TIM_CLK_5,
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TIMENH_CLK_0,
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TIMENH_CLK_1,
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} E_TIM_NUM;
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#define TIM0_CLK 0x00
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#define TIM_CLOCK_DIV_125 0x03
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#define TIM_CLOCK_DIV_2 0x04
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#define TIM_CLOCK_DIV_4 0x05
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#define TIM_CLOCK_DIV_8 0x06
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#define TIM_CLOCK_DIV_40 0x07
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/** \} */
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#define IS_TIM_DIV(DIV) (((DIV) == TIM_CLOCK_DIV_1) || \
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((DIV) == TIM_CLOCK_DIV_125) || \
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((DIV) == TIM_CLOCK_DIV_2) || \
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((DIV) == TIM_CLOCK_DIV_4) || \
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((DIV) == TIM_CLOCK_DIV_8) || \
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((DIV) == TIM_CLOCK_DIV_40))
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/*============================================================================*
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* Functions
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*============================================================================*/
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/**
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* \defgroup RCC_Exported_Functions Peripheral APIs
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* \ingroup RCC
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* \{
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*/
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/**
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* \brief Enables or disables the APB peripheral clock.
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* \param APBPeriph: Specifies the APB peripheral to gates its clock.
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* This parameter can be one of the following values:
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* \arg APBPeriph_ADC
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* \arg APBPeriph_CODEC
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* \arg APBPeriph_GDMA
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* \arg APBPeriph_GPIO
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* \arg APBPeriph_I2C1
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* \arg APBPeriph_I2C0
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* \arg APBPeriph_I2S0
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* \arg APBPeriph_I2S1
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* \arg APBPeriph_IF8080
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* \arg APBPeriph_IR
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* \arg APBPeriph_KEYSCAN
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* \arg APBPeriph_QDEC
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* \arg APBPeriph_SPI2W
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* \arg APBPeriph_SPI1
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* \arg APBPeriph_SPI0
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* \arg APBPeriph_TIMER
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* \arg APBPeriph_UART0
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* \arg APBPeriph_UART1
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* \arg APBPeriph_UART2
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* \param APBPeriph_Clock: Specifies the APB peripheral clock config.
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* This parameter can be one of the following values(must be the same with APBPeriph):
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* \arg APBPeriph_ADC_CLOCK
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* \arg APBPeriph_CODEC_CLOCK
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* \arg APBPeriph_GDMA_CLOCK
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* \arg APBPeriph_GPIO_CLOCK
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* \arg APBPeriph_I2C1_CLOCK
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* \arg APBPeriph_I2C0_CLOCK
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* \arg APBPeriph_I2S0_CLOCK
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* \arg APBPeriph_I2S1_CLOCK
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* \arg APBPeriph_IR_CLOCK
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* \arg APBPeriph_KEYSCAN_CLOCK
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* \arg APBPeriph_QDEC_CLOCK
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* \arg APBPeriph_SPI1_CLOCK
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* \arg APBPeriph_SPI0_CLOCK
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* \arg APBPeriph_SPI2W_CLOCK
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* \arg APBPeriph_TIMER_CLOCK
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* \arg APBPeriph_UART0_CLOCK
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* \arg APBPeriph_UART1_CLOCK
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* \arg APBPeriph_UART2_CLOCK
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* \param NewState: New state of the specified peripheral clock.
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* This parameter can be: ENABLE or DISABLE.
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* \retval None.
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*/
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void RCC_PeriphClockCmd(uint32_t APBPeriph, uint32_t APBPeriph_Clock,
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FunctionalState NewState);
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/**
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* \brief I2C clock divider config.
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* \param I2Cx: Where x can be 0 or 1 to select the I2C peripheral.
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* \param ClockDiv: Specifies the APB peripheral to gates its clock.
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* This parameter can be one of the following values:
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* \arg I2C_CLOCK_DIV_1
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* \arg I2C_CLOCK_DIV_2
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* \arg I2C_CLOCK_DIV_4
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* \arg I2C_CLOCK_DIV_8
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* \retval None.
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*/
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void RCC_I2CClkDivConfig(I2C_TypeDef *I2Cx, uint16_t ClockDiv);
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/**
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* \brief SPI clock divider config.
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* \param SPIx: Where x can be 0 or 1 to select the SPI peripheral.
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* \param ClockDiv: Specifies the APB peripheral to gates its clock.
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* This parameter can be one of the following values:
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* \arg SPI_CLOCK_DIV_1
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* \arg SPI_CLOCK_DIV_2
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* \arg SPI_CLOCK_DIV_4
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* \arg SPI_CLOCK_DIV_8
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* \retval None.
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*/
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void RCC_SPIClkDivConfig(SPI_TypeDef *SPIx, uint16_t ClockDiv);
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/**
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* @brief TIMER & ENH-TIMER clock divider config.
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* @param TIMx: selected TIM number.
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* @param ClockDiv: specifies the APB peripheral to gates its clock.
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* This parameter can be one of the following values:
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* @arg TIM_CLOCK_DIV_1
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* @arg TIM_CLOCK_DIV_125
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* @arg TIM_CLOCK_DIV_2
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* @arg TIM_CLOCK_DIV_4
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* @arg TIM_CLOCK_DIV_8
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* @arg TIM_CLOCK_DIV_40
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* @retval None
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*/
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void RCC_TIMClkDivConfig(E_TIM_NUM TIMx, uint16_t ClockDiv);
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/**
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* \brief UART clock divider config.
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* \param UARTx: Selected UART peripheral.
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* \param ClockDiv: Specifies the APB peripheral to gates its clock.
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* This parameter can be one of the following values:
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* \arg UART_CLOCK_DIV_1
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* \arg UART_CLOCK_DIV_2
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* \arg UART_CLOCK_DIV_4
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* \arg UART_CLOCK_DIV_16
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* \retval None.
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*/
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void RCC_UARTClkDivConfig(UART_TypeDef *UARTx, uint16_t ClockDiv);
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/**
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* \brief Enables or disables the APB peripheral function.
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* \param APBPeriph: Specifies the APB peripheral .
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* This parameter can be one of the following values:
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* \arg APBPeriph_ADC
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* \arg APBPeriph_CODEC
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* \arg APBPeriph_GDMA
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* \arg APBPeriph_GPIO
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* \arg APBPeriph_I2C1
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* \arg APBPeriph_I2C0
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* \arg APBPeriph_I2S0
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* \arg APBPeriph_I2S1
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* \arg APBPeriph_IF8080
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* \arg APBPeriph_IR
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* \arg APBPeriph_KEYSCAN
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* \arg APBPeriph_QDEC
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* \arg APBPeriph_SPI2W
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* \arg APBPeriph_SPI1
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* \arg APBPeriph_SPI0
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* \arg APBPeriph_TIMER
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* \arg APBPeriph_UART0
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* \arg APBPeriph_UART1
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* \arg APBPeriph_UART2
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* \param NewState: New state of the specified peripheral clock.
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* This parameter can be: ENABLE or DISABLE.
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* \retval None.
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*/
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void RCC_PeriFunctionConfig(uint32_t APBPeriph, FunctionalState NewState);
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/**
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* \brief Enables or disables the APB peripheral clock.
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* \param APBPeriph_Clock: Specifies the APB peripheral clock config.
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* This parameter can be one of the following values(must be the same with APBPeriph):
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* \arg APBPeriph_ADC_CLOCK
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* \arg APBPeriph_CODEC_CLOCK
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* \arg APBPeriph_GDMA_CLOCK
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* \arg APBPeriph_GPIO_CLOCK
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* \arg APBPeriph_I2C1_CLOCK
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* \arg APBPeriph_I2C0_CLOCK
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* \arg APBPeriph_I2S0_CLOCK
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* \arg APBPeriph_I2S1_CLOCK
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* \arg APBPeriph_IR_CLOCK
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* \arg APBPeriph_KEYSCAN_CLOCK
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* \arg APBPeriph_QDEC_CLOCK
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* \arg APBPeriph_SPI1_CLOCK
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* \arg APBPeriph_SPI0_CLOCK
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* \arg APBPeriph_SPI2W_CLOCK
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* \arg APBPeriph_TIMER_CLOCK
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* \arg APBPeriph_UART0_CLOCK
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* \arg APBPeriph_UART1_CLOCK
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* \arg APBPeriph_UART2_CLOCK
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* \param NewState: New state of the specified peripheral clock.
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* This parameter can be: ENABLE or DISABLE.
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* \retval None.
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*/
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void RCC_PeriClockConfig(uint32_t APBPeriph_Clock, FunctionalState NewState);
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/**
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* \brief Enable clock 5M source.
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* \param None.
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* \return None.
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*/
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__STATIC_INLINE void RCC_ClockSrc5MCmd(void)
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{
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/*Open 5M clock source*/
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SYSBLKCTRL->u_20C.PERION_REG_SYS_CLK_SEL_2 |= BIT26;
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SYSBLKCTRL->u_20C.PERION_REG_SYS_CLK_SEL_2 |= BIT29;
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}
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/**
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* \brief Enable clock 10M source.
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* \param None.
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* \return None.
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*/
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__STATIC_INLINE void RCC_ClockSrc10MCmd(void)
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{
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/*Open 10M clock source*/
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SYSBLKCTRL->u_20C.PERION_REG_SYS_CLK_SEL_2 |= BIT26;
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SYSBLKCTRL->u_20C.PERION_REG_SYS_CLK_SEL_2 |= BIT28;
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}
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/**
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* \brief Enable clock 20M source.
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* \param None.
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* \return None.
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*/
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__STATIC_INLINE void RCC_ClockSrc20MCmd(void)
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{
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/*Open 20M clock source*/
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SYSBLKCTRL->u_20C.PERION_REG_SYS_CLK_SEL_2 |= BIT26;
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SYSBLKCTRL->u_20C.PERION_REG_SYS_CLK_SEL_2 |= BIT27;
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}
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/** \} */ /* End of group RCC_Exported_Functions */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RTL876X_RCC_H_ */
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/******************* (C) COPYRIGHT 2015 Realtek Semiconductor *****END OF FILE****/
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