src/mainboard/google/zork/variants/vilboz/variant.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <baseboard/variants.h>
   4 #include <soc/pci_devs.h>
   5 #include <fw_config.h>
   6 #include <sar.h>
   7 #include <soc/amd/picasso/chip.h>
   8
   9 static const fsp_ddi_descriptor hdmi_ddi_descriptors[] = {
  10         { // DDI0, DP0, eDP
  11                 .connector_type = EDP,
  12                 .aux_index = AUX1,
  13                 .hdp_index = HDP1
  14         },
  15         { // DDI1, DP1, DB OPT2 USB-C1 / DB OPT3 MST hub
  16                 .connector_type = HDMI,
  17                 .aux_index = AUX2,
  18                 .hdp_index = HDP2
  19         },
  20         { // DDI2, DP3, USB-C0
  21                 .connector_type = DP,
  22                 .aux_index = AUX4,
  23                 .hdp_index = HDP4,
  24         }
  25 };
  26
  27 void variant_get_dxio_ddi_descriptors(const fsp_dxio_descriptor **dxio_descs,
  28                                       size_t *dxio_num,
  29                                       const fsp_ddi_descriptor **ddi_descs,
  30                                       size_t *ddi_num)
  31 {
  32         *dxio_descs = baseboard_get_dxio_descriptors(dxio_num);
  33
  34         *ddi_descs = &hdmi_ddi_descriptors[0];
  35         *ddi_num = ARRAY_SIZE(hdmi_ddi_descriptors);
  36 }
  37
  38 void variant_devtree_update(void)
  39 {
  40         struct soc_amd_picasso_config *soc_cfg;
  41         soc_cfg = config_of_soc();
  42
  43         if (board_id() <= 2 || board_id() == BOARD_ID_UNKNOWN)
  44                 return;
  45
  46         /* b:/174121847 Use external OSC to mitigate noise for WWAN sku. */
  47         if (variant_has_wwan()) {
  48                 soc_cfg->acp_i2s_use_external_48mhz_osc = 1;
  49
  50                 /* eDP phy tuning settings */
  51                 soc_cfg->edp_phy_override = ENABLE_EDP_TUNINGSET;
  52                 /* bit vector of phy, bit0=1: DP0, bit1=1: DP1, bit2=1: DP2 bit3=1: DP3 */
  53                 soc_cfg->edp_physel = 0x1;
  54                 /* override for 0.6v 0db swing 1, pre-emphasis 0 */
  55                 soc_cfg->edp_tuningset.dp_vs_pemph_level = 0x01;
  56                 soc_cfg->edp_tuningset.margin_deemph = 0x004b;
  57                 soc_cfg->edp_tuningset.deemph_6db4 = 0x00;
  58                 soc_cfg->edp_tuningset.boostadj = 0x80;
  59         }
  60 }
  61
  62 /*
  63 +----------+------+--------+--------+------+--+---------+--+---------+
  64 |          |Vilboz|Vilboz14|Vilboz14|Vilboz|NA|Vilboz360|NA|Vilboz360|
  65 |          |WiFi  |WiFi    |LTE     |LTE   |  |WiFi     |  |LTE      |
  66 +----------+------+--------+--------+------+--+---------+--+---------+
  67 |SAR[25]   |0     |0       |0       |0     |1 |1        |1 |1        |
  68 |SAR[24]   |0     |0       |1       |1     |0 |0        |1 |1        |
  69 |SAR[23]   |0     |1       |0       |1     |0 |1        |0 |1        |
  70 +----------+------+--------+--------+------+--+---------+--+---------+
  71 |SAR_config|0     |1       |2       |3     |4 |5        |6 |7        |
  72 +----------+------+--------+--------+------+--+---------+--+---------+
  73 */
  74
  75 const char *get_wifi_sar_cbfs_filename(void)
  76 {
  77         int sar_config;
  78
  79         sar_config = variant_gets_sar_config();
  80
  81         switch (sar_config) {
  82         case 1:
  83                 return "wifi_sar-vilboz-0.hex";
  84         case 3:
  85                 return "wifi_sar-vilboz-2.hex";
  86         case 5:
  87                 return "wifi_sar-vilboz-1.hex";
  88         case 7:
  89                 return "wifi_sar-vilboz-3.hex";
  90         default:
  91                 return WIFI_SAR_CBFS_DEFAULT_FILENAME;
  92         }
  93 }