arch/x86/cpu/quark/acpi.c

   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
  12 void 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
 136 void acpi_create_gnvs(struct acpi_global_nvs *gnvs)
 137 {
 138         /* quark is a uni-processor */
 139         gnvs->pcnt = 1;
 140 }