src/mainboard/google/brya/variants/pirrha/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 <boardid.h>
   6 #include <console/console.h>
   7 #include <fw_config.h>
   8
   9 static const struct pad_config wfc_disable_pads[] = {
  10         /* D3  : WCAM_RST_L */
  11         PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG),
  12         /* D15 : EN_PP2800_WCAM_X */
  13         PAD_NC_LOCK(GPP_D15, NONE, LOCK_CONFIG),
  14         /* D16 : EN_PP1800_PP1200_WCAM_X */
  15         PAD_NC_LOCK(GPP_D16, NONE, LOCK_CONFIG),
  16         /* H22 : WCAM_MCLK_R */
  17         PAD_NC(GPP_H22, NONE),
  18         /* R6 : DMIC_WCAM_CLK_R */
  19         PAD_NC(GPP_R6, NONE),
  20         /* R7 : DMIC_WCAM_DATA */
  21         PAD_NC(GPP_R7, NONE),
  22 };
  23
  24 static const struct pad_config emmc_disable_pads[] = {
  25         /* I7  : EMMC_CMD */
  26         PAD_NC(GPP_I7, NONE),
  27         /* I8  : EMMC_D0 */
  28         PAD_NC(GPP_I8, NONE),
  29         /* I9  : EMMC_D1 */
  30         PAD_NC(GPP_I9, NONE),
  31         /* I10 : EMMC_D2 */
  32         PAD_NC(GPP_I10, NONE),
  33         /* I11 : EMMC_D3 */
  34         PAD_NC(GPP_I11, NONE),
  35         /* I12 : EMMC_D4 */
  36         PAD_NC(GPP_I12, NONE),
  37         /* I13 : EMMC_D5 */
  38         PAD_NC(GPP_I13, NONE),
  39         /* I14 : EMMC_D6 */
  40         PAD_NC(GPP_I14, NONE),
  41         /* I15 : EMMC_D7 */
  42         PAD_NC(GPP_I15, NONE),
  43         /* I16 : EMMC_RCLK */
  44         PAD_NC(GPP_I16, NONE),
  45         /* I17 : EMMC_CLK */
  46         PAD_NC(GPP_I17, NONE),
  47         /* I18 : EMMC_RST_L */
  48         PAD_NC(GPP_I18, NONE),
  49 };
  50
  51 static const struct pad_config stylus_disable_pads[] = {
  52         /* F13 : SOC_PEN_DETECT_R_ODL */
  53         PAD_NC_LOCK(GPP_F13, NONE, LOCK_CONFIG),
  54         /* F15 : SOC_PEN_DETECT_ODL */
  55         PAD_NC_LOCK(GPP_F15, NONE, LOCK_CONFIG),
  56 };
  57
  58 void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
  59 {
  60         // Skip checking FW config if board ID in CBI is not verified.
  61         if (board_id() == BOARD_ID_UNKNOWN)
  62                 return;
  63
  64         if (fw_config_probe(FW_CONFIG(WFC, WFC_ABSENT))) {
  65                 printk(BIOS_INFO, "Disable MIPI WFC GPIO pins.\n");
  66                 gpio_padbased_override(padbased_table, wfc_disable_pads,
  67                                                 ARRAY_SIZE(wfc_disable_pads));
  68         }
  69
  70         if (!fw_config_probe(FW_CONFIG(STORAGE, STORAGE_EMMC))) {
  71                 printk(BIOS_INFO, "Disable eMMC SSD GPIO pins.\n");
  72                 gpio_padbased_override(padbased_table, emmc_disable_pads,
  73                                                 ARRAY_SIZE(emmc_disable_pads));
  74         }
  75
  76         if (fw_config_probe(FW_CONFIG(STYLUS, STYLUS_ABSENT))) {
  77                 printk(BIOS_INFO, "Disable Stylus GPIO pins.\n");
  78                 gpio_padbased_override(padbased_table, stylus_disable_pads,
  79                                                 ARRAY_SIZE(stylus_disable_pads));
  80         }
  81 }