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 <mapmem.h> 8#include <acpi/acpi_table.h> 9#include <asm/processor.h> 10#include <asm/tables.h> 11#include <asm/arch/global_nvs.h> 12#include <asm/arch/iomap.h> 13 14static int quark_write_fadt(struct acpi_ctx *ctx, 15 const struct acpi_writer *entry) 16{ 17 u16 pmbase = ACPI_PM1_BASE_ADDRESS; 18 struct acpi_table_header *header; 19 struct acpi_fadt *fadt; 20 21 fadt = ctx->current; 22 header = &fadt->header; 23 24 memset(fadt, '\0', sizeof(struct acpi_fadt)); 25 26 acpi_fill_header(header, "FACP"); 27 header->length = sizeof(struct acpi_fadt); 28 header->revision = 4; 29 30 fadt->preferred_pm_profile = ACPI_PM_UNSPECIFIED; 31 fadt->sci_int = 9; 32 fadt->smi_cmd = 0; 33 fadt->acpi_enable = 0; 34 fadt->acpi_disable = 0; 35 fadt->s4bios_req = 0; 36 fadt->pstate_cnt = 0; 37 fadt->pm1a_evt_blk = pmbase; 38 fadt->pm1b_evt_blk = 0x0; 39 fadt->pm1a_cnt_blk = pmbase + 0x4; 40 fadt->pm1b_cnt_blk = 0x0; 41 fadt->pm2_cnt_blk = 0x0; 42 fadt->pm_tmr_blk = pmbase + 0x8; 43 fadt->gpe0_blk = ACPI_GPE0_BASE_ADDRESS; 44 fadt->gpe1_blk = 0; 45 fadt->pm1_evt_len = 4; 46 fadt->pm1_cnt_len = 2; 47 fadt->pm2_cnt_len = 0; 48 fadt->pm_tmr_len = 4; 49 fadt->gpe0_blk_len = 8; 50 fadt->gpe1_blk_len = 0; 51 fadt->gpe1_base = 0; 52 fadt->cst_cnt = 0; 53 fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED; 54 fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED; 55 fadt->flush_size = 0; 56 fadt->flush_stride = 0; 57 fadt->duty_offset = 1; 58 fadt->duty_width = 3; 59 fadt->day_alrm = 0x00; 60 fadt->mon_alrm = 0x00; 61 fadt->century = 0x00; 62 fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES; 63 fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED | 64 ACPI_FADT_POWER_BUTTON | ACPI_FADT_SLEEP_BUTTON | 65 ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_RESET_REGISTER | 66 ACPI_FADT_PLATFORM_CLOCK; 67 68 fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO; 69 fadt->reset_reg.bit_width = 8; 70 fadt->reset_reg.bit_offset = 0; 71 fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; 72 fadt->reset_reg.addrl = IO_PORT_RESET; 73 fadt->reset_reg.addrh = 0; 74 fadt->reset_value = SYS_RST | RST_CPU | FULL_RST; 75 76 fadt->x_firmware_ctrl = map_to_sysmem(ctx->facs); 77 fadt->x_dsdt = map_to_sysmem(ctx->dsdt); 78 79 fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO; 80 fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8; 81 fadt->x_pm1a_evt_blk.bit_offset = 0; 82 fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; 83 fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk; 84 fadt->x_pm1a_evt_blk.addrh = 0x0; 85 86 fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO; 87 fadt->x_pm1b_evt_blk.bit_width = 0; 88 fadt->x_pm1b_evt_blk.bit_offset = 0; 89 fadt->x_pm1b_evt_blk.access_size = 0; 90 fadt->x_pm1b_evt_blk.addrl = 0x0; 91 fadt->x_pm1b_evt_blk.addrh = 0x0; 92 93 fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; 94 fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8; 95 fadt->x_pm1a_cnt_blk.bit_offset = 0; 96 fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS; 97 fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk; 98 fadt->x_pm1a_cnt_blk.addrh = 0x0; 99 100 fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; 101 fadt->x_pm1b_cnt_blk.bit_width = 0; 102 fadt->x_pm1b_cnt_blk.bit_offset = 0; 103 fadt->x_pm1b_cnt_blk.access_size = 0; 104 fadt->x_pm1b_cnt_blk.addrl = 0x0; 105 fadt->x_pm1b_cnt_blk.addrh = 0x0; 106 107 fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; 108 fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8; 109 fadt->x_pm2_cnt_blk.bit_offset = 0; 110 fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; 111 fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk; 112 fadt->x_pm2_cnt_blk.addrh = 0x0; 113 114 fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO; 115 fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8; 116 fadt->x_pm_tmr_blk.bit_offset = 0; 117 fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; 118 fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk; 119 fadt->x_pm_tmr_blk.addrh = 0x0; 120 121 fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO; 122 fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8; 123 fadt->x_gpe0_blk.bit_offset = 0; 124 fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; 125 fadt->x_gpe0_blk.addrl = fadt->gpe0_blk; 126 fadt->x_gpe0_blk.addrh = 0x0; 127 128 fadt->x_gpe1_blk.space_id = ACPI_ADDRESS_SPACE_IO; 129 fadt->x_gpe1_blk.bit_width = 0; 130 fadt->x_gpe1_blk.bit_offset = 0; 131 fadt->x_gpe1_blk.access_size = 0; 132 fadt->x_gpe1_blk.addrl = 0x0; 133 fadt->x_gpe1_blk.addrh = 0x0; 134 135 header->checksum = table_compute_checksum(fadt, header->length); 136 137 return acpi_add_fadt(ctx, fadt); 138} 139ACPI_WRITER(5fadt, "FADT", quark_write_fadt, 0); 140 141int acpi_create_gnvs(struct acpi_global_nvs *gnvs) 142{ 143 /* quark is a uni-processor */ 144 gnvs->pcnt = 1; 145 146 return 0; 147} 148