src/mainboard/google/octopus/variants/fleex/variant.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <acpi/acpi.h>
   4 #include <baseboard/variants.h>
   5 #include <ec/google/chromeec/ec.h>
   6 #include <sar.h>
   7 #include <soc/intel/apollolake/chip.h>
   8
   9 #define MIN_LTE_SKU         4
  10 #define FLEEX_MAX_SKU         0x20
  11
  12 static bool is_lte_sku(void)
  13 {
  14         uint32_t sku_id = google_chromeec_get_board_sku();
  15
  16         /* Only Fleex has LTE sku */
  17         if (sku_id <= FLEEX_MAX_SKU)
  18                 return (sku_id >= MIN_LTE_SKU);
  19
  20         return false;
  21 }
  22
  23 void variant_smi_sleep(u8 slp_typ)
  24 {
  25         /* Currently use cases here all target to S5 therefore we do early return
  26          * here for saving one transaction to the EC for getting SKU ID. */
  27         if (slp_typ != ACPI_S5)
  28                 return;
  29         if (is_lte_sku())
  30                 power_off_lte_module();
  31 }
  32
  33 const char *get_wifi_sar_cbfs_filename(void)
  34 {
  35         if (!is_lte_sku())
  36                 return "wifi_sar-fleex.hex";
  37
  38         return WIFI_SAR_CBFS_DEFAULT_FILENAME;
  39 }
  40
  41 void variant_update_devtree(struct device *dev)
  42 {
  43         struct soc_intel_apollolake_config *cfg = NULL;
  44
  45         cfg = (struct soc_intel_apollolake_config *)dev->chip_info;
  46         // Force disable_xhci_lfps_pm to update if it is LTE sku
  47         if (cfg != NULL && is_lte_sku())
  48                 cfg->disable_xhci_lfps_pm = 1;
  49 }