src/soc/amd/phoenix/acpi.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 /* TODO: Update for Phoenix */
   4 /* TODO: See what can be made common */
   5
   6 /* ACPI - create the Fixed ACPI Description Tables (FADT) */
   7
   8 #include <acpi/acpi.h>
   9 #include <acpi/acpigen.h>
  10 #include <amdblocks/acpi.h>
  11 #include <amdblocks/cppc.h>
  12 #include <amdblocks/cpu.h>
  13 #include <amdblocks/acpimmio.h>
  14 #include <amdblocks/ioapic.h>
  15 #include <arch/ioapic.h>
  16 #include <arch/smp/mpspec.h>
  17 #include <console/console.h>
  18 #include <cpu/amd/cpuid.h>
  19 #include <device/device.h>
  20 #include <soc/iomap.h>
  21 #include <static.h>
  22 #include <types.h>
  23 #include <vendorcode/amd/opensil/opensil.h>
  24 #include "chip.h"
  25
  26 /*
  27  * Reference section 5.2.9 Fixed ACPI Description Table (FADT)
  28  * in the ACPI 3.0b specification.
  29  */
  30 void acpi_fill_fadt(acpi_fadt_t *fadt)
  31 {
  32         const struct soc_amd_phoenix_config *cfg = config_of_soc();
  33
  34         if (CONFIG(PLATFORM_USES_FSP2_0)) {
  35                 printk(BIOS_DEBUG, "pm_base: 0x%04x\n", ACPI_IO_BASE);
  36
  37                 fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK;
  38                 fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK;
  39                 fadt->pm_tmr_blk = ACPI_PM_TMR_BLK;
  40                 fadt->gpe0_blk = ACPI_GPE0_BLK;
  41         } else {
  42                 /* Fill in pm1_evt, pm1_cnt, pm_tmr, gpe0_blk from openSIL input structure */
  43                 opensil_fill_fadt_io_ports(fadt);
  44         }
  45
  46         fadt->pm1_evt_len = 4;  /* 32 bits */
  47         fadt->pm1_cnt_len = 2;  /* 16 bits */
  48         fadt->pm_tmr_len = 4;   /* 32 bits */
  49         fadt->gpe0_blk_len = 8; /* 64 bits */
  50
  51         fill_fadt_extended_pm_io(fadt);
  52
  53         fadt->iapc_boot_arch = cfg->common_config.fadt_boot_arch; /* legacy free default */
  54         fadt->flags |=  ACPI_FADT_WBINVD | /* See table 5-34 ACPI 6.3 spec */
  55                         ACPI_FADT_C1_SUPPORTED |
  56                         ACPI_FADT_S4_RTC_WAKE |
  57                         ACPI_FADT_32BIT_TIMER |
  58                         ACPI_FADT_PCI_EXPRESS_WAKE |
  59                         ACPI_FADT_PLATFORM_CLOCK |
  60                         ACPI_FADT_S4_RTC_VALID |
  61                         ACPI_FADT_REMOTE_POWER_ON;
  62         if (cfg->s0ix_enable)
  63                 fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
  64
  65         fadt->flags |= cfg->common_config.fadt_flags; /* additional board-specific flags */
  66 }
  67
  68 unsigned long soc_acpi_write_tables(const struct device *device, unsigned long current,
  69                                     acpi_rsdp_t *rsdp)
  70 {
  71         /* IVRS */
  72         current = acpi_add_ivrs_table(current, rsdp);
  73
  74         if (CONFIG(PLATFORM_USES_FSP2_0))
  75                 current = acpi_add_fsp_tables(current, rsdp);
  76         else
  77                 current = acpi_add_opensil_tables(current, rsdp);
  78
  79         return current;
  80 }
  81
  82 const acpi_cstate_t cstate_cfg_table[] = {
  83         [0] = {
  84                 .ctype = 1,
  85                 .latency = 1,
  86                 .power = 0,
  87         },
  88         [1] = {
  89                 .ctype = 2,
  90                 .latency = 0x12,
  91                 .power = 0,
  92         },
  93         [2] = {
  94                 .ctype = 3,
  95                 .latency = 350,
  96                 .power = 0,
  97         },
  98 };
  99
 100 const acpi_cstate_t *get_cstate_config_data(size_t *size)
 101 {
 102         *size = ARRAY_SIZE(cstate_cfg_table);
 103         return cstate_cfg_table;
 104 }