31 lines
564 B
C
31 lines
564 B
C
#ifndef ERI_H
|
|
#define ERI_H
|
|
|
|
#include <stdint.h>
|
|
|
|
/*
|
|
The ERI is a bus internal to each Xtensa core. It connects, amongst others, to the debug interface, where it
|
|
allows reading/writing the same registers as available over JTAG.
|
|
*/
|
|
|
|
|
|
/**
|
|
* @brief Perform an ERI read
|
|
* @param addr : ERI register to read from
|
|
*
|
|
* @return Value read
|
|
*/
|
|
uint32_t eri_read(int addr);
|
|
|
|
|
|
/**
|
|
* @brief Perform an ERI write
|
|
* @param addr : ERI register to write to
|
|
* @param data : Value to write
|
|
*
|
|
* @return Value read
|
|
*/
|
|
void eri_write(int addr, uint32_t data);
|
|
|
|
|
|
#endif |