src/mainboard/google/poppy/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 <ec/ec.h>
   7 #include <soc/pci_devs.h>
   8 #include <soc/nhlt.h>
   9
  10 #include <variant/gpio.h>
  11
  12 static void mainboard_init(struct device *dev)
  13 {
  14         mainboard_ec_init();
  15 }
  16
  17 static unsigned long mainboard_write_acpi_tables(const struct device *device,
  18         unsigned long current, acpi_rsdp_t *rsdp)
  19 {
  20         uintptr_t start_addr;
  21         uintptr_t end_addr;
  22         struct nhlt *nhlt;
  23         const char *oem_id = NULL;
  24         const char *oem_table_id = NULL;
  25         uint32_t oem_revision = 0;
  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         variant_nhlt_oem_overrides(&oem_id, &oem_table_id, &oem_revision);
  36
  37         end_addr = nhlt_soc_serialize_oem_overrides(nhlt, start_addr,
  38                         oem_id, oem_table_id, oem_revision);
  39
  40         if (end_addr != start_addr)
  41                 acpi_add_table(rsdp, (void *)start_addr);
  42
  43         return end_addr;
  44 }
  45
  46 static void mainboard_enable(struct device *dev)
  47 {
  48         dev->ops->init = mainboard_init;
  49         dev->ops->write_acpi_tables = mainboard_write_acpi_tables;
  50 }
  51
  52 static void mainboard_chip_init(void *chip_info)
  53 {
  54         const struct pad_config *pads;
  55         size_t num;
  56
  57         pads = variant_gpio_table(&num);
  58         gpio_configure_pads(pads, num);
  59         pads = variant_sku_gpio_table(&num);
  60         gpio_configure_pads(pads, num);
  61 }
  62
  63 void __weak variant_final(void)
  64 {
  65         /* nop */
  66 }
  67
  68 static void mainboard_final(void *chip_info)
  69 {
  70         variant_final();
  71 }
  72
  73 struct chip_operations mainboard_ops = {
  74         .init = mainboard_chip_init,
  75         .enable_dev = mainboard_enable,
  76         .final = mainboard_final
  77 };