Atmosphere/exosphere/bpmpfw/src/i2c.h
2018-03-03 20:23:13 +01:00

34 lines
848 B
C

#ifndef EXOSPHERE_BPMPFW_I2C_H
#define EXOSPHERE_BPMPFW_I2C_H
#include "utils.h"
/* I2C_BASE = I2C4. */
#define I2C_BASE (0x7000D000)
#define MAKE_I2C_REG(ofs) (MAKE_REG32(I2C_BASE + ofs))
#define I2C_I2C_CNFG_0 MAKE_I2C_REG(0x000)
#define I2C_I2C_CMD_ADDR0_0 MAKE_I2C_REG(0x004)
#define I2C_I2C_CMD_DATA1_0 MAKE_I2C_REG(0x00C)
#define I2C_I2C_STATUS_0 MAKE_I2C_REG(0x01C)
#define I2C_INTERRUPT_STATUS_REGISTER_0 MAKE_I2C_REG(0x068)
#define I2C_I2C_CLK_DIVISOR_REGISTER_0 MAKE_I2C_REG(0x06C)
#define I2C_I2C_BUS_CLEAR_CONFIG_0 MAKE_I2C_REG(0x084)
#define I2C_I2C_BUS_CLEAR_STATUS_0 MAKE_I2C_REG(0x088)
#define I2C_I2C_CONFIG_LOAD_0 MAKE_I2C_REG(0x08C)
void i2c_init(void);
int i2c_send_reset_cmd(void);
#endif