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/global_nvs.h> 13 #include <asm/arch/iomap.h> 14 15 void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs, 16 void *dsdt) 17 { 18 struct acpi_table_header *header = &(fadt->header); 19 u16 pmbase = ACPI_PM1_BASE_ADDRESS; 20 21 memset((void *)fadt, 0, sizeof(struct acpi_fadt)); 22 23 acpi_fill_header(header, "FACP"); 24 header->length = sizeof(struct acpi_fadt); 25 header->revision = 4; 26 27 fadt->firmware_ctrl = (u32)facs; 28 fadt->dsdt = (u32)dsdt; 29 fadt->preferred_pm_profile = ACPI_PM_UNSPECIFIED; 30 fadt->sci_int = 9; 31 fadt->smi_cmd = 0; 32 fadt->acpi_enable = 0; 33 fadt->acpi_disable = 0; 34 fadt->s4bios_req = 0; 35 fadt->pstate_cnt = 0; 36 fadt->pm1a_evt_blk = pmbase; 37 fadt->pm1b_evt_blk = 0x0; 38 fadt->pm1a_cnt_blk = pmbase + 0x4; 39 fadt->pm1b_cnt_blk = 0x0; 40 fadt->pm2_cnt_blk = 0x0; 41 fadt->pm_tmr_blk = pmbase + 0x8; 42 fadt->gpe0_blk = ACPI_GPE0_BASE_ADDRESS; 43 fadt->gpe1_blk = 0; 44 fadt->pm1_evt_len = 4; 45 fadt->pm1_cnt_len = 2; 46 fadt->pm2_cnt_len = 0; 47 fadt->pm_tmr_len = 4; 48 fadt->gpe0_blk_len = 8; 49 fadt->gpe1_blk_len = 0; 50 fadt->gpe1_base = 0; 51 fadt->cst_cnt = 0; 52 fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED; 53 fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED; 54 fadt->flush_size = 0; 55 fadt->flush_stride = 0; 56 fadt->duty_offset = 1; 57 fadt->duty_width = 3; 58 fadt->day_alrm = 0x00; 59 fadt->mon_alrm = 0x00; 60 fadt->century = 0x00; 61 fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES; 62 fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED | 63 ACPI_FADT_POWER_BUTTON | ACPI_FADT_SLEEP_BUTTON | 64 ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_RESET_REGISTER | 65 ACPI_FADT_PLATFORM_CLOCK; 66 67 fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO; 68 fadt->reset_reg.bit_width = 8; 69 fadt->reset_reg.bit_offset = 0; 70 fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; 71 fadt->reset_reg.addrl = IO_PORT_RESET; 72 fadt->reset_reg.addrh = 0; 73 fadt->reset_value = SYS_RST | RST_CPU; 74 75 fadt->x_firmware_ctl_l = (u32)facs; 76 fadt->x_firmware_ctl_h = 0; 77 fadt->x_dsdt_l = (u32)dsdt; 78 fadt->x_dsdt_h = 0; 79 80 fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO; 81 fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8; 82 fadt->x_pm1a_evt_blk.bit_offset = 0; 83 fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; 84 fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk; 85 fadt->x_pm1a_evt_blk.addrh = 0x0; 86 87 fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO; 88 fadt->x_pm1b_evt_blk.bit_width = 0; 89 fadt->x_pm1b_evt_blk.bit_offset = 0; 90 fadt->x_pm1b_evt_blk.access_size = 0; 91 fadt->x_pm1b_evt_blk.addrl = 0x0; 92 fadt->x_pm1b_evt_blk.addrh = 0x0; 93 94 fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; 95 fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8; 96 fadt->x_pm1a_cnt_blk.bit_offset = 0; 97 fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS; 98 fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk; 99 fadt->x_pm1a_cnt_blk.addrh = 0x0; 100 101 fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; 102 fadt->x_pm1b_cnt_blk.bit_width = 0; 103 fadt->x_pm1b_cnt_blk.bit_offset = 0; 104 fadt->x_pm1b_cnt_blk.access_size = 0; 105 fadt->x_pm1b_cnt_blk.addrl = 0x0; 106 fadt->x_pm1b_cnt_blk.addrh = 0x0; 107 108 fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO; 109 fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8; 110 fadt->x_pm2_cnt_blk.bit_offset = 0; 111 fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS; 112 fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk; 113 fadt->x_pm2_cnt_blk.addrh = 0x0; 114 115 fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO; 116 fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8; 117 fadt->x_pm_tmr_blk.bit_offset = 0; 118 fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; 119 fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk; 120 fadt->x_pm_tmr_blk.addrh = 0x0; 121 122 fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO; 123 fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8; 124 fadt->x_gpe0_blk.bit_offset = 0; 125 fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS; 126 fadt->x_gpe0_blk.addrl = fadt->gpe0_blk; 127 fadt->x_gpe0_blk.addrh = 0x0; 128 129 fadt->x_gpe1_blk.space_id = ACPI_ADDRESS_SPACE_IO; 130 fadt->x_gpe1_blk.bit_width = 0; 131 fadt->x_gpe1_blk.bit_offset = 0; 132 fadt->x_gpe1_blk.access_size = 0; 133 fadt->x_gpe1_blk.addrl = 0x0; 134 fadt->x_gpe1_blk.addrh = 0x0; 135 136 header->checksum = table_compute_checksum(fadt, header->length); 137 } 138 139 static int acpi_create_madt_irq_overrides(u32 current) 140 { 141 struct acpi_madt_irqoverride *irqovr; 142 u16 sci_flags = MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH; 143 int length = 0; 144 145 irqovr = (void *)current; 146 length += acpi_create_madt_irqoverride(irqovr, 0, 0, 2, 0); 147 148 irqovr = (void *)(current + length); 149 length += acpi_create_madt_irqoverride(irqovr, 0, 9, 9, sci_flags); 150 151 return length; 152 } 153 154 u32 acpi_fill_madt(u32 current) 155 { 156 current += acpi_create_madt_lapics(current); 157 158 current += acpi_create_madt_ioapic((struct acpi_madt_ioapic *)current, 159 io_apic_read(IO_APIC_ID) >> 24, IO_APIC_ADDR, 0); 160 161 current += acpi_create_madt_irq_overrides(current); 162 163 return current; 164 } 165 166 void acpi_create_gnvs(struct acpi_global_nvs *gnvs) 167 { 168 /* quark is a uni-processor */ 169 gnvs->pcnt = 1; 170 } 171