hal_icache.h

#ifndef HAL_ICACHE_H
#define HAL_ICACHE_H

#include "in_mmap.h"

static __inline void icache_clear_mem(void)
{
    uint32_t reg;

    WR_WORD(ICACHE_REG_MISC_CTRL, ICACHE_REG_MISC_CTRL_CTL_SRAM_CLR);
    while (1) {
        reg = RD_WORD(ICACHE_REG_INTR_STATUS);
        if (reg & ICACHE_REG_INTR_STATUS_SRAM_CLEAR_DONE)
            break;
    }
}

static __inline void icache_en(int en)
{
    if (en) {
        WR_WORD(ICACHE_REG_MISC_CTRL, ICACHE_REG_MISC_CTRL_CTL_CACHE_EN);
        RD_WORD(ICACHE_REG_MISC_CTRL);  // Make sure it is enable
    } else {
        WR_WORD(ICACHE_REG_MISC_CTRL, ICACHE_REG_MISC_CTRL_DEFAULT);
        WR_WORD(ICACHE_REG_MISC_CTRL, ICACHE_REG_MISC_CTRL_CTL_SRAM_CLR);
    }
}

#endif  // HAL_ICACHE_H