src/mainboard/intel/coffeelake_rvp/mainboard.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <acpi/acpi.h>
   4 #include <baseboard/variants.h>
   5 #include <device/device.h>
   6 #include <nhlt.h>
   7 #include <gpio.h>
   8 #include <soc/nhlt.h>
   9
  10 static void mainboard_init(void *chip_info)
  11 {
  12         const struct pad_config *pads;
  13         size_t num;
  14
  15         pads = variant_gpio_table(&num);
  16         gpio_configure_pads(pads, num);
  17 }
  18
  19 static unsigned long mainboard_write_acpi_tables(const struct device *device,
  20                                                  unsigned long current,
  21                                                  acpi_rsdp_t *rsdp)
  22 {
  23         uintptr_t start_addr;
  24         uintptr_t end_addr;
  25         struct nhlt *nhlt;
  26
  27         start_addr = current;
  28
  29         nhlt = nhlt_init();
  30
  31         if (nhlt == NULL)
  32                 return start_addr;
  33
  34         variant_nhlt_init(nhlt);
  35
  36         end_addr = nhlt_soc_serialize(nhlt, start_addr);
  37
  38         if (end_addr != start_addr)
  39                 acpi_add_table(rsdp, (void *)start_addr);
  40
  41         return end_addr;
  42 }
  43
  44 static void mainboard_enable(struct device *dev)
  45 {
  46         dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
  47 }
  48
  49 struct chip_operations mainboard_ops = {
  50         .init = mainboard_init,
  51         .enable_dev = mainboard_enable,
  52 };