fw_config.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <arch/mmio.h>
#include <bootstate.h>
#include <fw_config.h>
#include <gpio.h>
#include <intelblocks/gpio.h>
 
#define PAD_CFG_DW2_OFFSET      (2 * sizeof(uint32_t))
#define VCCIOSEL_1V8            (1 << 8)
 
static void fw_config_handle(void *unused)
{
        void *pad_conf_offset = gpio_dwx_address(GPP_D17) + PAD_CFG_DW2_OFFSET;
        uint32_t pad_conf = read32(pad_conf_offset);
 
        if (fw_config_probe(FW_CONFIG(AUDIO_AMP, RT1015P_AUTO))) {
                pad_conf |= VCCIOSEL_1V8;
                write32(pad_conf_offset, pad_conf);
        }
}
BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);