src/mainboard/google/brya/variants/riven/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[] = {
   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_LOCK(GPP_F12, NONE, LOCK_CONFIG),
  15         /* H23 : WWAN_SAR_DETECT_ODL */
  16         PAD_NC(GPP_H23, NONE),
  17 };
  18
  19 static const struct pad_config wfc_disable_pads[] = {
  20         /* D3  : WCAM_RST_L */
  21         PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG),
  22         /* D15 : EN_PP2800_WCAM_X */
  23         PAD_NC_LOCK(GPP_D15, NONE, LOCK_CONFIG),
  24         /* D16 : EN_PP1800_PP1200_WCAM_X */
  25         PAD_NC_LOCK(GPP_D16, NONE, LOCK_CONFIG),
  26         /* H22 : WCAM_MCLK_R */
  27         PAD_NC(GPP_H22, NONE),
  28 };
  29
  30 static const struct pad_config stylus_disable_pads[] = {
  31         /* F13 : SOC_PEN_DETECT_R_ODL */
  32         PAD_NC_LOCK(GPP_F13, NONE, LOCK_CONFIG),
  33         /* F15 : SOC_PEN_DETECT_ODL */
  34         PAD_NC_LOCK(GPP_F15, NONE, LOCK_CONFIG),
  35 };
  36
  37 static const struct pad_config emmc_disable_pads[] = {
  38         /* I7  : EMMC_CMD */
  39         PAD_NC(GPP_I7, NONE),
  40         /* I8  : EMMC_D0 */
  41         PAD_NC(GPP_I8, NONE),
  42         /* I9  : EMMC_D1 */
  43         PAD_NC(GPP_I9, NONE),
  44         /* I10 : EMMC_D2 */
  45         PAD_NC(GPP_I10, NONE),
  46         /* I11 : EMMC_D3 */
  47         PAD_NC(GPP_I11, NONE),
  48         /* I12 : EMMC_D4 */
  49         PAD_NC(GPP_I12, NONE),
  50         /* I13 : EMMC_D5 */
  51         PAD_NC(GPP_I13, NONE),
  52         /* I14 : EMMC_D6 */
  53         PAD_NC(GPP_I14, NONE),
  54         /* I15 : EMMC_D7 */
  55         PAD_NC(GPP_I15, NONE),
  56         /* I16 : EMMC_RCLK */
  57         PAD_NC(GPP_I16, NONE),
  58         /* I17 : EMMC_CLK */
  59         PAD_NC(GPP_I17, NONE),
  60         /* I18 : EMMC_RST_L */
  61         PAD_NC(GPP_I18, NONE),
  62 };
  63
  64 void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
  65 {
  66         if (!fw_config_is_provisioned()) {
  67                 printk(BIOS_WARNING, "FW_CONFIG is not provisioned. Exiting...\n");
  68                 return;
  69         }
  70
  71         if (!fw_config_probe(FW_CONFIG(DB_USB, DB_1C_LTE))) {
  72                 printk(BIOS_INFO, "Disable LTE-related GPIO pins on Riven.\n");
  73                 gpio_padbased_override(padbased_table, lte_disable_pads,
  74                                                 ARRAY_SIZE(lte_disable_pads));
  75         }
  76
  77         if (fw_config_probe(FW_CONFIG(WFC, WFC_ABSENT))) {
  78                 printk(BIOS_INFO, "Disable MIPI WFC GPIO pins.\n");
  79                 gpio_padbased_override(padbased_table, wfc_disable_pads,
  80                                                 ARRAY_SIZE(wfc_disable_pads));
  81         }
  82
  83         if (fw_config_probe(FW_CONFIG(STYLUS, STYLUS_ABSENT))) {
  84                 printk(BIOS_INFO, "Disable Stylus GPIO pins.\n");
  85                 gpio_padbased_override(padbased_table, stylus_disable_pads,
  86                                                 ARRAY_SIZE(stylus_disable_pads));
  87         }
  88
  89         if (!fw_config_probe(FW_CONFIG(STORAGE, STORAGE_UNKNOWN))) {
  90                 if (!fw_config_probe(FW_CONFIG(STORAGE, STORAGE_EMMC))) {
  91                         printk(BIOS_INFO, "Disable eMMC GPIO pins.\n");
  92                         gpio_padbased_override(padbased_table, emmc_disable_pads,
  93                                                 ARRAY_SIZE(emmc_disable_pads));
  94                 }
  95         }
  96 }