src/mainboard/google/rex/variants/karis/fw_config.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <baseboard/variants.h>
   4 #include <console/console.h>
   5 #include <fw_config.h>
   6 #include <gpio.h>
   7
   8 #define GPIO_PADBASED_OVERRIDE(b, a) gpio_padbased_override(b, a, ARRAY_SIZE(a))
   9
  10 static const struct pad_config fp_disable_pads[] = {
  11         /* GPP_B11 : [] ==> EN_FP_PWR */
  12         PAD_NC(GPP_B11, NONE),
  13         /* GPP_C22 : [] ==> SOC_FP_BOOT0 */
  14         PAD_NC(GPP_C22, NONE),
  15         /* GPP_C23 : [] ==> FP_RST_ODL */
  16         PAD_NC(GPP_C23, NONE),
  17         /* GPP_E10 : [] ==> SOC_FPMCU_INT_L */
  18         PAD_NC(GPP_E10, NONE),
  19         /* GPP_F11 : GSP1_SOC_CLK_R */
  20         PAD_NC(GPP_F11, NONE),
  21         /* GPP_F12 : GSPI1_SOC_DO_FPMCU_DI_R */
  22         PAD_NC(GPP_F12, NONE),
  23         /* GPP_F13 : GSPI1_SOC_DI_FPMCU_DO_LS_R */
  24         PAD_NC(GPP_F13, NONE),
  25         /* GPP_F17 : [] ==> GSPI1_SOC_CS_L */
  26         PAD_NC(GPP_F17, NONE),
  27 };
  28
  29 static const struct pad_config stylus_disable_pads[] = {
  30         /* GPP_E04 : SOC_PEN_DETECT */
  31         PAD_NC(GPP_E04, NONE),
  32         /* GPP_E09 : SOC_PEN_DETECT */
  33         PAD_NC(GPP_E09, NONE),
  34 };
  35
  36 static const struct pad_config cnvi_bt_disable_pads[] = {
  37         /* GPP_F04 :  [] ==> CNV_RF_RST_L */
  38         PAD_NC(GPP_F04, NONE),
  39         /* GPP_F05 :  [] ==> CNV_CLKREQ */
  40         PAD_NC(GPP_F05, NONE),
  41 };
  42
  43 static const struct pad_config discrete_bt_disable_pads[] = {
  44         /* GPP_S01 : [] ==> SDW_HP_DATA_WLAN_PCM_SYNC */
  45         PAD_NC(GPP_S01, NONE),
  46         /* GPP_S02 : [] ==> DMIC_SOC_CLK0_WLAN_PCM_OUT */
  47         PAD_NC(GPP_S02, NONE),
  48 };
  49
  50 static const struct pad_config bt_i2s_enable_pads[] = {
  51         /* GPP_V30 : [] ==> BT_I2S_BCLK */
  52         PAD_CFG_NF(GPP_VGPIO30, NONE, DEEP, NF2),
  53         /* GPP_V31 : [] ==> BT_I2S_SYNC */
  54         PAD_CFG_NF(GPP_VGPIO31, NONE, DEEP, NF2),
  55         /* GPP_V32 : [] ==> BT_I2S_SDO */
  56         PAD_CFG_NF(GPP_VGPIO32, NONE, DEEP, NF2),
  57         /* GPP_V33 : [] ==> BT_I2S_SDI */
  58         PAD_CFG_NF(GPP_VGPIO33, NONE, DEEP, NF2),
  59         /* GPP_V34 : [] ==> SSP2_SCLK */
  60         PAD_CFG_NF(GPP_VGPIO34, NONE, DEEP, NF1),
  61         /* GPP_V35 : [] ==> SSP2_SFRM */
  62         PAD_CFG_NF(GPP_VGPIO35, NONE, DEEP, NF1),
  63         /* GPP_V36 : [] ==> SSP_TXD */
  64         PAD_CFG_NF(GPP_VGPIO36, NONE, DEEP, NF1),
  65         /* GPP_V37 : [] ==> SSP_RXD */
  66         PAD_CFG_NF(GPP_VGPIO37, NONE, DEEP, NF1),
  67 };
  68
  69 static const struct pad_config discrete_bt_i2s_enable_pads[] = {
  70         /* GPP_S00 : [] ==> I2S1_SCLK */
  71         PAD_CFG_NF(GPP_S00, NONE, DEEP, NF6),
  72         /* GPP_S01 : [] ==> I2S1_SFRM */
  73         PAD_CFG_NF(GPP_S01, NONE, DEEP, NF6),
  74         /* GPP_S02 : [] ==> I2S1_TXD */
  75         PAD_CFG_NF(GPP_S02, NONE, DEEP, NF6),
  76         /* GPP_S03 : [] ==> I2S1_RXD */
  77         PAD_CFG_NF(GPP_S03, NONE, DEEP, NF6),
  78 };
  79
  80 void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
  81 {
  82         if (fw_config_probe(FW_CONFIG(STYLUS, STYLUS_ABSENT))) {
  83                 printk(BIOS_INFO, "Configure GPIOs for no stylus.\n");
  84                 GPIO_PADBASED_OVERRIDE(padbased_table, stylus_disable_pads);
  85         }
  86         if (fw_config_probe(FW_CONFIG(FP_MCU, FP_ABSENT))) {
  87                 printk(BIOS_INFO, "Configure GPIOs for no FP module.\n");
  88                 GPIO_PADBASED_OVERRIDE(padbased_table, fp_disable_pads);
  89         }
  90         if (fw_config_probe(FW_CONFIG(WIFI_TYPE, WIFI_CNVI))) {
  91                 printk(BIOS_INFO, "Configure GPIOs for CNVi WIFI/BT module.\n");
  92                 GPIO_PADBASED_OVERRIDE(padbased_table, bt_i2s_enable_pads);
  93                 printk(BIOS_INFO, "Disable GPIOs for PCIe WIFI/BT module.\n");
  94                 GPIO_PADBASED_OVERRIDE(padbased_table, discrete_bt_disable_pads);
  95         }
  96         if (fw_config_probe(FW_CONFIG(WIFI_TYPE, WIFI_PCIE))) {
  97                 printk(BIOS_INFO, "Configure GPIOs for discrete WIFI/BT module.\n");
  98                 GPIO_PADBASED_OVERRIDE(padbased_table, discrete_bt_i2s_enable_pads);
  99                 printk(BIOS_INFO, "Configure GPIOs for discrete PCM BT path.\n");
 100                 GPIO_PADBASED_OVERRIDE(padbased_table, cnvi_bt_disable_pads);
 101         }
 102 }