mcupm.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <console/console.h>
#include <device/mmio.h>
#include <soc/mcu_common.h>
#include <soc/mcupm.h>
#include <soc/symbols.h>
 
#define ABNORMALBOOT_REG        0x0C55FAA0
 
static void reset_mcupm(struct mtk_mcu *mcu)
{
        /* Clear abnormal boot register */
        write32((void *)ABNORMALBOOT_REG, 0x0);
        write32(&mcupm_reg->sw_rstn, 0x1);
}
 
static struct mtk_mcu mcupm = {
        .firmware_name = CONFIG_MCUPM_FIRMWARE,
        .run_address = (void *)MCUPM_SRAM_BASE,
        .reset = reset_mcupm,
};
 
void mcupm_init(void)
{
        mcupm.load_buffer = _dram_dma;
        mcupm.buffer_size = REGION_SIZE(dram_dma);
 
        write32(&mcupm_reg->sw_rstn, 0x0);
 
        if (mtk_init_mcu(&mcupm))
                die("%s() failed\n", __func__);
}