src/soc/amd/glinda/acpi.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 /* TODO: Update for Glinda */
   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 <cpu/x86/smm.h>
  20 #include <soc/acpi.h>
  21 #include <soc/iomap.h>
  22 #include <types.h>
  23 #include "chip.h"
  24
  25 unsigned long acpi_fill_madt(unsigned long current)
  26 {
  27         current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current,
  28                                                    GNB_IO_APIC_ADDR);
  29
  30         return current;
  31 }
  32
  33 /*
  34  * Reference section 5.2.9 Fixed ACPI Description Table (FADT)
  35  * in the ACPI 3.0b specification.
  36  */
  37 void acpi_fill_fadt(acpi_fadt_t *fadt)
  38 {
  39         const struct soc_amd_glinda_config *cfg = config_of_soc();
  40
  41         printk(BIOS_DEBUG, "pm_base: 0x%04x\n", ACPI_IO_BASE);
  42
  43         fadt->pm1a_evt_blk = ACPI_PM_EVT_BLK;
  44         fadt->pm1a_cnt_blk = ACPI_PM1_CNT_BLK;
  45         fadt->pm_tmr_blk = ACPI_PM_TMR_BLK;
  46         fadt->gpe0_blk = ACPI_GPE0_BLK;
  47
  48         fadt->pm1_evt_len = 4;  /* 32 bits */
  49         fadt->pm1_cnt_len = 2;  /* 16 bits */
  50         fadt->pm_tmr_len = 4;   /* 32 bits */
  51         fadt->gpe0_blk_len = 8; /* 64 bits */
  52
  53         fill_fadt_extended_pm_regs(fadt);
  54
  55         fadt->day_alrm = RTC_DATE_ALARM;
  56         fadt->century = RTC_ALT_CENTURY;
  57         fadt->iapc_boot_arch = cfg->common_config.fadt_boot_arch; /* legacy free default */
  58         fadt->flags |=  ACPI_FADT_WBINVD | /* See table 5-34 ACPI 6.3 spec */
  59                         ACPI_FADT_C1_SUPPORTED |
  60                         ACPI_FADT_S4_RTC_WAKE |
  61                         ACPI_FADT_32BIT_TIMER |
  62                         ACPI_FADT_PCI_EXPRESS_WAKE |
  63                         ACPI_FADT_PLATFORM_CLOCK |
  64                         ACPI_FADT_S4_RTC_VALID |
  65                         ACPI_FADT_REMOTE_POWER_ON;
  66         if (cfg->s0ix_enable)
  67                 fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
  68
  69         fadt->flags |= cfg->common_config.fadt_flags; /* additional board-specific flags */
  70 }
  71
  72 const acpi_cstate_t cstate_cfg_table[] = {
  73         [0] = {
  74                 .ctype = 1,
  75                 .latency = 1,
  76                 .power = 0,
  77         },
  78         [1] = {
  79                 .ctype = 2,
  80                 .latency = 0x12,
  81                 .power = 0,
  82         },
  83         [2] = {
  84                 .ctype = 3,
  85                 .latency = 350,
  86                 .power = 0,
  87         },
  88 };
  89
  90 const acpi_cstate_t *get_cstate_config_data(size_t *size)
  91 {
  92         *size = ARRAY_SIZE(cstate_cfg_table);
  93         return cstate_cfg_table;
  94 }