Files
kunlun/inc/hw/reg/riscv2/15/i2c_reg.h
2024-09-28 14:24:04 +08:00

100 lines
3.1 KiB
C

//-----------------------------------
#define CFG_I2C_RVER_ADDR 0x0000
#define I2C_RF_VER_OFFSET 0
#define I2C_RF_VER_MASK 0x000000FF
//-----------------------------------
#define CFG_I2C_MODE_ADDR 0x0004
#define I2C_TRANS_STOP_OFFSET 5
#define I2C_TRANS_STOP_MASK 0x00000020
#define I2C_READ_MODE_OFFSET 4
#define I2C_READ_MODE_MASK 0x00000010
#define I2C_BUSRT_MODE_OFFSET 2
#define I2C_BUSRT_MODE_MASK 0x0000000C
#define IIC_RD_OFFSET 1
#define IIC_RD_MASK 0x00000002
#define IIC_WR_OFFSET 0
#define IIC_WR_MASK 0x00000001
//-----------------------------------
#define CFG_I2C_STATUS_ADDR 0x0008
#define TX_RD_PTR_OFFSET 18
#define TX_RD_PTR_MASK 0x001C0000
#define TX_WR_PTR_OFFSET 15
#define TX_WR_PTR_MASK 0x00038000
#define RX_RD_PTR_OFFSET 12
#define RX_RD_PTR_MASK 0x00007000
#define RX_WR_PTR_OFFSET 9
#define RX_WR_PTR_MASK 0x00000E00
#define NACK_ST_OFFSET 6
#define NACK_ST_MASK 0x000001C0
#define I2C_INT_OFFSET 5
#define I2C_INT_MASK 0x00000020
#define NACK_INT_OFFSET 4
#define NACK_INT_MASK 0x00000010
#define RX_FIFO_FULL_OFFSET 3
#define RX_FIFO_FULL_MASK 0x00000008
#define RX_FIFO_EMPTY_OFFSET 2
#define RX_FIFO_EMPTY_MASK 0x00000004
#define TX_FIFO_FULL_OFFSET 1
#define TX_FIFO_FULL_MASK 0x00000002
#define TX_FIFO_EMPTY_OFFSET 0
#define TX_FIFO_EMPTY_MASK 0x00000001
//-----------------------------------
#define CFG_CLOCK_DIV_ADDR 0x000C
#define CLK_DIV_OFFSET 0
#define CLK_DIV_MASK 0x00000FFF
//-----------------------------------
#define CFG_WAIT_NACK_MAX_ADDR 0x0010
#define WAIT_NACK_MAX_OFFSET 0
#define WAIT_NACK_MAX_MASK 0x00003FFF
//-----------------------------------
#define CFG_CLR_INT_ADDR 0x0014
#define I2C_TXFIFO_CLR_OFFSET 3
#define I2C_TXFIFO_CLR_MASK 0x00000008
#define I2C_RXFIFO_CLR_OFFSET 2
#define I2C_RXFIFO_CLR_MASK 0x00000004
#define I2C_INT_CLR_OFFSET 1
#define I2C_INT_CLR_MASK 0x00000002
#define NACK_INT_CLR_OFFSET 0
#define NACK_INT_CLR_MASK 0x00000001
//-----------------------------------
#define CFG_DATA_NUM_CONF_ADDR 0x0018
#define SEND_NUM_OFFSET 8
#define SEND_NUM_MASK 0x0000FF00
#define REC_NUM_OFFSET 0
#define REC_NUM_MASK 0x000000FF
//-----------------------------------
#define CFG_START_ADDR 0x001C
#define I2C_START_OFFSET 0
#define I2C_START_MASK 0x00000001
//-----------------------------------
#define CFG_RX_FIFO_DATA_ADDR 0x0020
#define RX_FIFO_RDATA_OFFSET 0
#define RX_FIFO_RDATA_MASK 0x000000FF
//-----------------------------------
#define CFG_I2C_TX_FIFO_WDATA_ADDR 0x0024
#define TX_FIFO_WDATA_OFFSET 0
#define TX_FIFO_WDATA_MASK 0x000000FF
//-----------------------------------
#define CFG_I2C_RX_FIFO_RDATA_ADDR 0x0028
#define RX_FIFO_WE_OFFSET 0
#define RX_FIFO_WE_MASK 0x00000001
//HW module read/write macro
#define I2C0_READ_REG(addr) SOC_READ_REG(I2C0_BASEADDR + addr)
#define I2C0_WRITE_REG(addr,value) SOC_WRITE_REG(I2C0_BASEADDR + addr,value)
#define I2C1_READ_REG(addr) SOC_READ_REG(I2C1_BASEADDR + addr)
#define I2C1_WRITE_REG(addr,value) SOC_WRITE_REG(I2C1_BASEADDR + addr,value)
#define I2C2_READ_REG(addr) SOC_READ_REG(I2C2_BASEADDR + addr)
#define I2C2_WRITE_REG(addr,value) SOC_WRITE_REG(I2C2_BASEADDR + addr,value)