src/mainboard/google/dedede/fw_config.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <bootstate.h>
   4 #include <device/mmio.h>
   5 #include <fw_config.h>
   6 #include <gpio.h>
   7 #include <intelblocks/gpio.h>
   8
   9 #define PAD_CFG_DW2_OFFSET      (2 * sizeof(uint32_t))
  10 #define VCCIOSEL_1V8            (1 << 8)
  11
  12 static void fw_config_handle(void *unused)
  13 {
  14         void *pad_conf_offset = gpio_dwx_address(GPP_D17) + PAD_CFG_DW2_OFFSET;
  15         uint32_t pad_conf = read32(pad_conf_offset);
  16
  17         if (fw_config_probe(FW_CONFIG(AUDIO_AMP, RT1015P_AUTO))) {
  18                 pad_conf |= VCCIOSEL_1V8;
  19                 write32(pad_conf_offset, pad_conf);
  20         }
  21 }
  22 BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);