riscv_rcu.h

#define RCU_BASE 0x40021000

struct _st_rcu {
	int CTL;
	int CFG0;
	int INT;
	int APB2RST;
	int APB1RST;
	int AHBEN;
	int APB2EN;
	int APB1EN;
	int BDCTL;
	int RSTSCK;
	int AHBRST;
	int CFG1;
	const int RSV0;
	int DSV;
};

#define RCU ((volatile struct _st_rcu *)RCU_BASE)
#define bit(n) (1 << (n))

#define RCU_AHBEN_DMA0EN_Pos 0
#define RCU_AHBEN_DMA1EN_Pos 1
#define RCU_AHBEN_SRAMSPEN_Pos 2
#define RCU_AHBEN_FMCSPEN_Pos 4
#define RCU_AHBEN_CRCEN_Pos 6
#define RCU_AHBEN_EXMCEN_Pos 8
#define RCU_AHBEN_USBFSEN_Pos 12
#define RCU_AHBEN_DMA0EN_Msk bit(0)
#define RCU_AHBEN_DMA1EN_Msk bit(1)
#define RCU_AHBEN_SRAMSPEN_Msk bit(2)
#define RCU_AHBEN_FMCSPEN_Msk bit(4)
#define RCU_AHBEN_CRCEN_Msk bit(6)
#define RCU_AHBEN_EXMCEN_Msk bit(8)
#define RCU_AHBEN_USBFSEN_Msk bit(12)

#define RCU_APB2EN_AFEN_Pos 0
#define RCU_APB2EN_PAEN_Pos 2
#define RCU_APB2EN_PBEN_Pos 3
#define RCU_APB2EN_PCEN_Pos 4
#define RCU_APB2EN_PDEN_Pos 5
#define RCU_APB2EN_PEEN_Pos 6
#define RCU_APB2EN_ADC0EN_Pos 9
#define RCU_APB2EN_AND1EN_Pos 10
#define RCU_APB2EN_TIMER0EN_Pos 11
#define RCU_APB2EN_SPI0EN_Pos 12
#define RCU_APB2EN_USART0EN_Pos 14
#define RCU_APB2EN_AFEN bit(0)
#define RCU_APB2EN_PAEN bit(2)
#define RCU_APB2EN_PBEN bit(3)
#define RCU_APB2EN_PCEN bit(4)
#define RCU_APB2EN_PDEN bit(5)
#define RCU_APB2EN_PEEN bit(6)
#define RCU_APB2EN_ADC0EN bit(9)
#define RCU_APB2EN_AND1EN bit(10)
#define RCU_APB2EN_TIMER0EN bit(11)
#define RCU_APB2EN_SPI0EN bit(12)
#define RCU_APB2EN_USART0EN bit(14)

#define RCU_APB1EN_TIMER1EN_Pos 0
#define RCU_APB1EN_TIMER2EN_Pos 1
#define RCU_APB1EN_TIMER3EN_Pos 2
#define RCU_APB1EN_TIMER4EN_Pos 3
#define RCU_APB1EN_TIMER5EN_Pos 3
#define RCU_APB1EN_TIMER6EN_Pos 4
#define RCU_APB1EN_WWDGTEN_Pos 11
#define RCU_APB1EN_SPI1EN_Pos 14
#define RCU_APB1EN_SPI2EN_Pos 15
#define RCU_APB1EN_USART1EN_Pos 17
#define RCU_APB1EN_USART2EN_Pos 18
#define RCU_APB1EN_USART3EN_Pos 19
#define RCU_APB1EN_USART4EN_Pos 20
#define RCU_APB1EN_I2C0EN_Pos 21
#define RCU_APB1EN_I3C0EN_Pos 22
#define RCU_APB1EN_CAN0EN_Pos 25
#define RCU_APB1EN_CAN1EN_Pos 26
#define RCU_APB1EN_BKPIEN_Pos 27
#define RCU_APB1EN_PMUEN_Pos 28
#define RCU_APB1EN_DACEN_Pos 29
#define RCU_APB1EN_TIMER1EN_Msk bit(0)
#define RCU_APB1EN_TIMER2EN_Msk bit(1)
#define RCU_APB1EN_TIMER3EN_Msk bit(2)
#define RCU_APB1EN_TIMER4EN_Msk bit(3)
#define RCU_APB1EN_TIMER5EN_Msk bit(3)
#define RCU_APB1EN_TIMER6EN_Msk bit(4)
#define RCU_APB1EN_WWDGTEN_Msk bit(11)
#define RCU_APB1EN_SPI1EN_Msk bit(14)
#define RCU_APB1EN_SPI2EN_Msk bit(15)
#define RCU_APB1EN_USART1EN_Msk bit(17)
#define RCU_APB1EN_USART2EN_Msk bit(18)
#define RCU_APB1EN_USART3EN_Msk bit(19)
#define RCU_APB1EN_USART4EN_Msk bit(20)
#define RCU_APB1EN_I2C0EN_Msk bit(21)
#define RCU_APB1EN_I3C0EN_Msk bit(22)
#define RCU_APB1EN_CAN0EN_Msk bit(25)
#define RCU_APB1EN_CAN1EN_Msk bit(26)
#define RCU_APB1EN_BKPIEN_Msk bit(27)
#define RCU_APB1EN_PMUEN_Msk bit(28)
#define RCU_APB1EN_DACEN_Msk bit(29)