src/mainboard/google/brya/variants/yaviks/fw_config.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <baseboard/gpio.h>
   4 #include <baseboard/variants.h>
   5 #include <console/console.h>
   6 #include <fw_config.h>
   7
   8 static const struct pad_config lte_disable_pads_yavilla[] = {
   9         /* A8  : WWAN_RF_DISABLE_ODL */
  10         PAD_NC(GPP_A8, NONE),
  11         /* D6  : WWAN_EN */
  12         PAD_NC(GPP_D6, NONE),
  13         /* F12 : WWAN_RST_L */
  14         PAD_NC(GPP_F12, NONE),
  15         /* H23 : WWAN_SAR_DETECT_ODL */
  16         PAD_NC(GPP_H23, NONE),
  17 };
  18
  19 static const struct pad_config emmc_disable_pads[] = {
  20         /* I7  : EMMC_CMD */
  21         PAD_NC(GPP_I7, NONE),
  22         /* I8  : EMMC_D0 */
  23         PAD_NC(GPP_I8, NONE),
  24         /* I9  : EMMC_D1 */
  25         PAD_NC(GPP_I9, NONE),
  26         /* I10 : EMMC_D2 */
  27         PAD_NC(GPP_I10, NONE),
  28         /* I11 : EMMC_D3 */
  29         PAD_NC(GPP_I11, NONE),
  30         /* I12 : EMMC_D4 */
  31         PAD_NC(GPP_I12, NONE),
  32         /* I13 : EMMC_D5 */
  33         PAD_NC(GPP_I13, NONE),
  34         /* I14 : EMMC_D6 */
  35         PAD_NC(GPP_I14, NONE),
  36         /* I15 : EMMC_D7 */
  37         PAD_NC(GPP_I15, NONE),
  38         /* I16 : EMMC_RCLK */
  39         PAD_NC(GPP_I16, NONE),
  40         /* I17 : EMMC_CLK */
  41         PAD_NC(GPP_I17, NONE),
  42         /* I18 : EMMC_RST_L */
  43         PAD_NC(GPP_I18, NONE),
  44 };
  45
  46 static const struct pad_config stylus_disable_pads[] = {
  47         /* F13 : SOC_PEN_DETECT_R_ODL */
  48         PAD_NC_LOCK(GPP_F13, NONE, LOCK_CONFIG),
  49         /* F15 : SOC_PEN_DETECT_ODL */
  50         PAD_NC_LOCK(GPP_F15, NONE, LOCK_CONFIG),
  51 };
  52
  53 static const struct pad_config sd_disable_pads[] = {
  54         /* D8  : SD_CLKREQ_ODL */
  55         PAD_NC(GPP_D8, NONE),
  56         /* D17 : SD_WAKE_N */
  57         PAD_NC_LOCK(GPP_D17, NONE, LOCK_CONFIG),
  58         /* H12 : SD_PERST_L */
  59         PAD_NC_LOCK(GPP_H12, NONE, LOCK_CONFIG),
  60         /* H13 : EN_PP3300_SD_X */
  61         PAD_NC_LOCK(GPP_H13, NONE, LOCK_CONFIG),
  62 };
  63
  64 static const struct pad_config disable_wifi_pch_susclk[] = {
  65         /* GPD8 ==> NC */
  66         PAD_NC(GPD8, NONE),
  67 };
  68
  69 static const struct pad_config disable_usbc1_pins[] = {
  70         /* GPP_A21: USB_C1_AUX_DC_P => NC */
  71         PAD_NC(GPP_A21, NONE),
  72         /* GPP_A22: USB_C1_AUX_DC_N => NC */
  73         PAD_NC(GPP_A22, NONE),
  74 };
  75
  76 void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
  77 {
  78         if (fw_config_is_provisioned() && !fw_config_probe(FW_CONFIG(STORAGE, STORAGE_EMMC))) {
  79                 printk(BIOS_INFO, "Disable eMMC GPIO pins.\n");
  80                 gpio_padbased_override(padbased_table, emmc_disable_pads,
  81                                        ARRAY_SIZE(emmc_disable_pads));
  82         }
  83         if (fw_config_is_provisioned() && fw_config_probe(FW_CONFIG(DB_USB, DB_1A))) {
  84                 printk(BIOS_INFO, "Disable USBC1 AUX Pins.\n");
  85                 gpio_padbased_override(padbased_table, disable_usbc1_pins,
  86                                         ARRAY_SIZE(disable_usbc1_pins));
  87         }
  88         if (!fw_config_probe(FW_CONFIG(DB_USB, DB_1C_LTE))) {
  89                 printk(BIOS_INFO, "Disable LTE-related GPIO pins on yavilla.\n");
  90                 gpio_padbased_override(padbased_table, lte_disable_pads_yavilla,
  91                                        ARRAY_SIZE(lte_disable_pads_yavilla));
  92         }
  93         if (fw_config_probe(FW_CONFIG(STYLUS, STYLUS_ABSENT))) {
  94                 printk(BIOS_INFO, "Disable Stylus GPIO pins.\n");
  95                 gpio_padbased_override(padbased_table, stylus_disable_pads,
  96                                        ARRAY_SIZE(stylus_disable_pads));
  97         }
  98         if (fw_config_probe(FW_CONFIG(SD_CARD, SD_ABSENT))) {
  99                 printk(BIOS_INFO, "Disable SD card GPIO pins.\n");
 100                 gpio_padbased_override(padbased_table, sd_disable_pads,
 101                                        ARRAY_SIZE(sd_disable_pads));
 102         }
 103         /* SAR_ID_3 for MT7922 */
 104         if (fw_config_probe(FW_CONFIG(WIFI_SAR_ID, SAR_ID_3))) {
 105                 printk(BIOS_INFO, "Disable PCH SUSCLK.\n");
 106                 gpio_padbased_override(padbased_table, disable_wifi_pch_susclk,
 107                                         ARRAY_SIZE(disable_wifi_pch_susclk));
 108         }
 109 }