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 #include <static.h>
   9
  10 static const fsp_ddi_descriptor hdmi_ddi_descriptors[] = {
  11         { // DDI0, DP0, eDP
  12                 .connector_type = EDP,
  13                 .aux_index = AUX1,
  14                 .hdp_index = HDP1
  15         },
  16         { // DDI1, DP1, DB OPT2 USB-C1 / DB OPT3 MST hub
  17                 .connector_type = HDMI,
  18                 .aux_index = AUX2,
  19                 .hdp_index = HDP2
  20         },
  21         { // DDI2, DP3, USB-C0
  22                 .connector_type = DP,
  23                 .aux_index = AUX4,
  24                 .hdp_index = HDP4,
  25         }
  26 };
  27
  28 void variant_get_dxio_ddi_descriptors(const fsp_dxio_descriptor **dxio_descs,
  29                                       size_t *dxio_num,
  30                                       const fsp_ddi_descriptor **ddi_descs,
  31                                       size_t *ddi_num)
  32 {
  33         *dxio_descs = baseboard_get_dxio_descriptors(dxio_num);
  34
  35         *ddi_descs = &hdmi_ddi_descriptors[0];
  36         *ddi_num = ARRAY_SIZE(hdmi_ddi_descriptors);
  37 }
  38
  39 void variant_devtree_update(void)
  40 {
  41         struct soc_amd_picasso_config *soc_cfg;
  42         soc_cfg = config_of_soc();
  43
  44         if (board_id() <= 2 || board_id() == BOARD_ID_UNKNOWN)
  45                 return;
  46
  47         /* b:/174121847 Use external OSC to mitigate noise for WWAN sku. */
  48         if (variant_has_wwan()) {
  49                 soc_cfg->acp_i2s_use_external_48mhz_osc = 1;
  50
  51                 /* eDP phy tuning settings */
  52                 soc_cfg->edp_phy_override = ENABLE_EDP_TUNINGSET;
  53                 /* bit vector of phy, bit0=1: DP0, bit1=1: DP1, bit2=1: DP2 bit3=1: DP3 */
  54                 soc_cfg->edp_physel = 0x1;
  55                 /* override for 0.6v 0db swing 1, pre-emphasis 0 */
  56                 soc_cfg->edp_tuningset.dp_vs_pemph_level = 0x01;
  57                 soc_cfg->edp_tuningset.margin_deemph = 0x004b;
  58                 soc_cfg->edp_tuningset.deemph_6db4 = 0x00;
  59                 soc_cfg->edp_tuningset.boostadj = 0x80;
  60         }
  61 }
  62
  63 /*
  64 +----------+------+--------+--------+------+--+---------+--+---------+
  65 |          |Vilboz|Vilboz14|Vilboz14|Vilboz|NA|Vilboz360|NA|Vilboz360|
  66 |          |WiFi  |WiFi    |LTE     |LTE   |  |WiFi     |  |LTE      |
  67 +----------+------+--------+--------+------+--+---------+--+---------+
  68 |SAR[25]   |0     |0       |0       |0     |1 |1        |1 |1        |
  69 |SAR[24]   |0     |0       |1       |1     |0 |0        |1 |1        |
  70 |SAR[23]   |0     |1       |0       |1     |0 |1        |0 |1        |
  71 +----------+------+--------+--------+------+--+---------+--+---------+
  72 |SAR_config|0     |1       |2       |3     |4 |5        |6 |7        |
  73 +----------+------+--------+--------+------+--+---------+--+---------+
  74 */
  75
  76 const char *get_wifi_sar_cbfs_filename(void)
  77 {
  78         int sar_config;
  79
  80         sar_config = variant_gets_sar_config();
  81
  82         switch (sar_config) {
  83         case 1:
  84                 return "wifi_sar-vilboz-0.hex";
  85         case 3:
  86                 return "wifi_sar-vilboz-2.hex";
  87         case 5:
  88                 return "wifi_sar-vilboz-1.hex";
  89         case 7:
  90                 return "wifi_sar-vilboz-3.hex";
  91         default:
  92                 return WIFI_SAR_CBFS_DEFAULT_FILENAME;
  93         }
  94 }