1 /* 2 * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #include <common.h> 8 #include <asm/acpi_table.h> 9 #include <asm/ioapic.h> 10 #include <asm/mpspec.h> 11 #include <asm/tables.h> 12 #include <asm/arch/iomap.h> 13 14 void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs, 15 void *dsdt) 16 { 17 struct acpi_table_header *header = &(fadt->header); 18 u16 pmbase = ACPI_PM1_BASE_ADDRESS; 19 20 memset((void *)fadt, 0, sizeof(struct acpi_fadt)); 21 22 acpi_fill_header(header, "FACP"); 23 header->length = sizeof(struct acpi_fadt); 24 header->revision = 4; 25 26 fadt->firmware_ctrl = (u32)facs; 27 fadt->dsdt = (u32)dsdt; 28 fadt->preferred_pm_profile = ACPI_PM_UNSPECIFIED; 29 fadt->sci_int = 9; 30 fadt->smi_cmd = 0; 31 fadt->acpi_enable = 0; 32 fadt->acpi_disable = 0; 33 fadt->s4bios_req = 0; 34 fadt->pstate_cnt = 0; 35 fadt->pm1a_evt_blk = pmbase; 36 fadt->pm1b_evt_blk = 0x0; 37 fadt->pm1a_cnt_blk = pmbase + 0x4; 38 fadt->pm1b_cnt_blk = 0x0; 39 fadt->pm2_cnt_blk = 0x0; 40 fadt->pm_tmr_blk = pmbase + 0x8; 41 fadt->gpe0_blk = ACPI_GPE0_BASE_ADDRESS; 42 fadt->gpe1_blk = 0; 43 fadt->pm1_evt_len = 4; 44 fadt->pm1_cnt_len = 2; 45 fadt->pm2_cnt_len = 0; 46 fadt->pm_tmr_len = 4; 47 fadt->gpe0_blk_len = 8; 48 fadt->gpe1_blk_len = 0; 49 fadt->gpe1_base = 0; 50 fadt->cst_cnt = 0; 51 fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED; 52 fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED; 53 fadt->flush_size = 0; 54 fadt->flush_stride = 0; 55 fadt->duty_offset = 1; 56 fadt->duty_width = 3; 57 fadt->day_alrm = 0x00; 58 fadt->mon_alrm = 0x00; 59 fadt->century = 0x00; 60 fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES; 61 fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED | 62 ACPI_FADT_POWER_BUTTON | ACPI_FADT_SLEEP_BUTTON | 63 ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_RESET_REGISTER | 64 ACPI_FADT_PLATFORM_CLOCK; 65 66 fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO; 67 fadt->reset_reg.bit_width = 8; 68 fadt->reset_reg.bit_offset = 0; 69 fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; 70 fadt->reset_reg.addrl = IO_PORT_RESET; 71 fadt->reset_reg.addrh = 0; 72 fadt->reset_value = SYS_RST | RST_CPU; 73 74 fadt->x_firmware_ctl_l = (u32)facs; 75 fadt->x_firmware_ctl_h = 0; 76 fadt->x_dsdt_l = (u32)dsdt; 77 fadt->x_dsdt_h = 0; 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 } 137 138 static int acpi_create_madt_irq_overrides(u32 current) 139 { 140 struct acpi_madt_irqoverride *irqovr; 141 u16 sci_flags = MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH; 142 int length = 0; 143 144 irqovr = (void *)current; 145 length += acpi_create_madt_irqoverride(irqovr, 0, 0, 2, 0); 146 147 irqovr = (void *)(current + length); 148 length += acpi_create_madt_irqoverride(irqovr, 0, 9, 9, sci_flags); 149 150 return length; 151 } 152 153 u32 acpi_fill_madt(u32 current) 154 { 155 current += acpi_create_madt_lapics(current); 156 157 current += acpi_create_madt_ioapic((struct acpi_madt_ioapic *)current, 158 io_apic_read(IO_APIC_ID) >> 24, IO_APIC_ADDR, 0); 159 160 current += acpi_create_madt_irq_overrides(current); 161 162 return current; 163 } 164