uboot/arch/x86/cpu/quark/acpi.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
   4 */
   5
   6#include <common.h>
   7#include <acpi/acpi_table.h>
   8#include <asm/tables.h>
   9#include <asm/arch/global_nvs.h>
  10#include <asm/arch/iomap.h>
  11
  12void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
  13                      void *dsdt)
  14{
  15        struct acpi_table_header *header = &(fadt->header);
  16        u16 pmbase = ACPI_PM1_BASE_ADDRESS;
  17
  18        memset((void *)fadt, 0, sizeof(struct acpi_fadt));
  19
  20        acpi_fill_header(header, "FACP");
  21        header->length = sizeof(struct acpi_fadt);
  22        header->revision = 4;
  23
  24        fadt->firmware_ctrl = (u32)facs;
  25        fadt->dsdt = (u32)dsdt;
  26        fadt->preferred_pm_profile = ACPI_PM_UNSPECIFIED;
  27        fadt->sci_int = 9;
  28        fadt->smi_cmd = 0;
  29        fadt->acpi_enable = 0;
  30        fadt->acpi_disable = 0;
  31        fadt->s4bios_req = 0;
  32        fadt->pstate_cnt = 0;
  33        fadt->pm1a_evt_blk = pmbase;
  34        fadt->pm1b_evt_blk = 0x0;
  35        fadt->pm1a_cnt_blk = pmbase + 0x4;
  36        fadt->pm1b_cnt_blk = 0x0;
  37        fadt->pm2_cnt_blk = 0x0;
  38        fadt->pm_tmr_blk = pmbase + 0x8;
  39        fadt->gpe0_blk = ACPI_GPE0_BASE_ADDRESS;
  40        fadt->gpe1_blk = 0;
  41        fadt->pm1_evt_len = 4;
  42        fadt->pm1_cnt_len = 2;
  43        fadt->pm2_cnt_len = 0;
  44        fadt->pm_tmr_len = 4;
  45        fadt->gpe0_blk_len = 8;
  46        fadt->gpe1_blk_len = 0;
  47        fadt->gpe1_base = 0;
  48        fadt->cst_cnt = 0;
  49        fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED;
  50        fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
  51        fadt->flush_size = 0;
  52        fadt->flush_stride = 0;
  53        fadt->duty_offset = 1;
  54        fadt->duty_width = 3;
  55        fadt->day_alrm = 0x00;
  56        fadt->mon_alrm = 0x00;
  57        fadt->century = 0x00;
  58        fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES;
  59        fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
  60                ACPI_FADT_POWER_BUTTON | ACPI_FADT_SLEEP_BUTTON |
  61                ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_RESET_REGISTER |
  62                ACPI_FADT_PLATFORM_CLOCK;
  63
  64        fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO;
  65        fadt->reset_reg.bit_width = 8;
  66        fadt->reset_reg.bit_offset = 0;
  67        fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
  68        fadt->reset_reg.addrl = IO_PORT_RESET;
  69        fadt->reset_reg.addrh = 0;
  70        fadt->reset_value = SYS_RST | RST_CPU | FULL_RST;
  71
  72        fadt->x_firmware_ctl_l = (u32)facs;
  73        fadt->x_firmware_ctl_h = 0;
  74        fadt->x_dsdt_l = (u32)dsdt;
  75        fadt->x_dsdt_h = 0;
  76
  77        fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
  78        fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
  79        fadt->x_pm1a_evt_blk.bit_offset = 0;
  80        fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
  81        fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
  82        fadt->x_pm1a_evt_blk.addrh = 0x0;
  83
  84        fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
  85        fadt->x_pm1b_evt_blk.bit_width = 0;
  86        fadt->x_pm1b_evt_blk.bit_offset = 0;
  87        fadt->x_pm1b_evt_blk.access_size = 0;
  88        fadt->x_pm1b_evt_blk.addrl = 0x0;
  89        fadt->x_pm1b_evt_blk.addrh = 0x0;
  90
  91        fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
  92        fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
  93        fadt->x_pm1a_cnt_blk.bit_offset = 0;
  94        fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
  95        fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
  96        fadt->x_pm1a_cnt_blk.addrh = 0x0;
  97
  98        fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
  99        fadt->x_pm1b_cnt_blk.bit_width = 0;
 100        fadt->x_pm1b_cnt_blk.bit_offset = 0;
 101        fadt->x_pm1b_cnt_blk.access_size = 0;
 102        fadt->x_pm1b_cnt_blk.addrl = 0x0;
 103        fadt->x_pm1b_cnt_blk.addrh = 0x0;
 104
 105        fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 106        fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
 107        fadt->x_pm2_cnt_blk.bit_offset = 0;
 108        fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
 109        fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
 110        fadt->x_pm2_cnt_blk.addrh = 0x0;
 111
 112        fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 113        fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
 114        fadt->x_pm_tmr_blk.bit_offset = 0;
 115        fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
 116        fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
 117        fadt->x_pm_tmr_blk.addrh = 0x0;
 118
 119        fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 120        fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
 121        fadt->x_gpe0_blk.bit_offset = 0;
 122        fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
 123        fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
 124        fadt->x_gpe0_blk.addrh = 0x0;
 125
 126        fadt->x_gpe1_blk.space_id = ACPI_ADDRESS_SPACE_IO;
 127        fadt->x_gpe1_blk.bit_width = 0;
 128        fadt->x_gpe1_blk.bit_offset = 0;
 129        fadt->x_gpe1_blk.access_size = 0;
 130        fadt->x_gpe1_blk.addrl = 0x0;
 131        fadt->x_gpe1_blk.addrh = 0x0;
 132
 133        header->checksum = table_compute_checksum(fadt, header->length);
 134}
 135
 136int acpi_create_gnvs(struct acpi_global_nvs *gnvs)
 137{
 138        /* quark is a uni-processor */
 139        gnvs->pcnt = 1;
 140
 141        return 0;
 142}
 143