2 * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <dm/uclass-internal.h>
11 #include <asm/acpi_table.h>
12 #include <asm/ioapic.h>
13 #include <asm/mpspec.h>
14 #include <asm/tables.h>
15 #include <asm/arch/global_nvs.h>
16 #include <asm/arch/iomap.h>
18 void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs,
21 struct acpi_table_header *header = &(fadt->header);
22 u16 pmbase = ACPI_BASE_ADDRESS;
24 memset((void *)fadt, 0, sizeof(struct acpi_fadt));
26 acpi_fill_header(header, "FACP");
27 header->length = sizeof(struct acpi_fadt);
30 fadt->firmware_ctrl = (u32)facs;
31 fadt->dsdt = (u32)dsdt;
32 fadt->preferred_pm_profile = ACPI_PM_MOBILE;
35 fadt->acpi_enable = 0;
36 fadt->acpi_disable = 0;
39 fadt->pm1a_evt_blk = pmbase;
40 fadt->pm1b_evt_blk = 0x0;
41 fadt->pm1a_cnt_blk = pmbase + 0x4;
42 fadt->pm1b_cnt_blk = 0x0;
43 fadt->pm2_cnt_blk = pmbase + 0x50;
44 fadt->pm_tmr_blk = pmbase + 0x8;
45 fadt->gpe0_blk = pmbase + 0x20;
47 fadt->pm1_evt_len = 4;
48 fadt->pm1_cnt_len = 2;
49 fadt->pm2_cnt_len = 1;
51 fadt->gpe0_blk_len = 8;
52 fadt->gpe1_blk_len = 0;
55 fadt->p_lvl2_lat = ACPI_FADT_C2_NOT_SUPPORTED;
56 fadt->p_lvl3_lat = ACPI_FADT_C3_NOT_SUPPORTED;
58 fadt->flush_stride = 0;
59 fadt->duty_offset = 1;
61 fadt->day_alrm = 0x0d;
62 fadt->mon_alrm = 0x00;
64 fadt->iapc_boot_arch = ACPI_FADT_LEGACY_DEVICES | ACPI_FADT_8042;
65 fadt->flags = ACPI_FADT_WBINVD | ACPI_FADT_C1_SUPPORTED |
66 ACPI_FADT_C2_MP_SUPPORTED | ACPI_FADT_SLEEP_BUTTON |
67 ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_RESET_REGISTER |
68 ACPI_FADT_PLATFORM_CLOCK;
70 fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO;
71 fadt->reset_reg.bit_width = 8;
72 fadt->reset_reg.bit_offset = 0;
73 fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
74 fadt->reset_reg.addrl = IO_PORT_RESET;
75 fadt->reset_reg.addrh = 0;
76 fadt->reset_value = SYS_RST | RST_CPU;
78 fadt->x_firmware_ctl_l = (u32)facs;
79 fadt->x_firmware_ctl_h = 0;
80 fadt->x_dsdt_l = (u32)dsdt;
83 fadt->x_pm1a_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
84 fadt->x_pm1a_evt_blk.bit_width = fadt->pm1_evt_len * 8;
85 fadt->x_pm1a_evt_blk.bit_offset = 0;
86 fadt->x_pm1a_evt_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
87 fadt->x_pm1a_evt_blk.addrl = fadt->pm1a_evt_blk;
88 fadt->x_pm1a_evt_blk.addrh = 0x0;
90 fadt->x_pm1b_evt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
91 fadt->x_pm1b_evt_blk.bit_width = 0;
92 fadt->x_pm1b_evt_blk.bit_offset = 0;
93 fadt->x_pm1b_evt_blk.access_size = 0;
94 fadt->x_pm1b_evt_blk.addrl = 0x0;
95 fadt->x_pm1b_evt_blk.addrh = 0x0;
97 fadt->x_pm1a_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
98 fadt->x_pm1a_cnt_blk.bit_width = fadt->pm1_cnt_len * 8;
99 fadt->x_pm1a_cnt_blk.bit_offset = 0;
100 fadt->x_pm1a_cnt_blk.access_size = ACPI_ACCESS_SIZE_WORD_ACCESS;
101 fadt->x_pm1a_cnt_blk.addrl = fadt->pm1a_cnt_blk;
102 fadt->x_pm1a_cnt_blk.addrh = 0x0;
104 fadt->x_pm1b_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
105 fadt->x_pm1b_cnt_blk.bit_width = 0;
106 fadt->x_pm1b_cnt_blk.bit_offset = 0;
107 fadt->x_pm1b_cnt_blk.access_size = 0;
108 fadt->x_pm1b_cnt_blk.addrl = 0x0;
109 fadt->x_pm1b_cnt_blk.addrh = 0x0;
111 fadt->x_pm2_cnt_blk.space_id = ACPI_ADDRESS_SPACE_IO;
112 fadt->x_pm2_cnt_blk.bit_width = fadt->pm2_cnt_len * 8;
113 fadt->x_pm2_cnt_blk.bit_offset = 0;
114 fadt->x_pm2_cnt_blk.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
115 fadt->x_pm2_cnt_blk.addrl = fadt->pm2_cnt_blk;
116 fadt->x_pm2_cnt_blk.addrh = 0x0;
118 fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
119 fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
120 fadt->x_pm_tmr_blk.bit_offset = 0;
121 fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
122 fadt->x_pm_tmr_blk.addrl = fadt->pm_tmr_blk;
123 fadt->x_pm_tmr_blk.addrh = 0x0;
125 fadt->x_gpe0_blk.space_id = ACPI_ADDRESS_SPACE_IO;
126 fadt->x_gpe0_blk.bit_width = fadt->gpe0_blk_len * 8;
127 fadt->x_gpe0_blk.bit_offset = 0;
128 fadt->x_gpe0_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
129 fadt->x_gpe0_blk.addrl = fadt->gpe0_blk;
130 fadt->x_gpe0_blk.addrh = 0x0;
132 fadt->x_gpe1_blk.space_id = ACPI_ADDRESS_SPACE_IO;
133 fadt->x_gpe1_blk.bit_width = 0;
134 fadt->x_gpe1_blk.bit_offset = 0;
135 fadt->x_gpe1_blk.access_size = 0;
136 fadt->x_gpe1_blk.addrl = 0x0;
137 fadt->x_gpe1_blk.addrh = 0x0;
139 header->checksum = table_compute_checksum(fadt, header->length);
142 static int acpi_create_madt_irq_overrides(u32 current)
144 struct acpi_madt_irqoverride *irqovr;
145 u16 sci_flags = MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_HIGH;
148 irqovr = (void *)current;
149 length += acpi_create_madt_irqoverride(irqovr, 0, 0, 2, 0);
151 irqovr = (void *)(current + length);
152 length += acpi_create_madt_irqoverride(irqovr, 0, 9, 9, sci_flags);
157 u32 acpi_fill_madt(u32 current)
159 current += acpi_create_madt_lapics(current);
161 current += acpi_create_madt_ioapic((struct acpi_madt_ioapic *)current,
162 io_apic_read(IO_APIC_ID) >> 24, IO_APIC_ADDR, 0);
164 current += acpi_create_madt_irq_overrides(current);
169 void acpi_create_gnvs(struct acpi_global_nvs *gnvs)
174 /* at least we have one processor */
176 /* override the processor count with actual number */
177 ret = uclass_find_first_device(UCLASS_CPU, &dev);
178 if (ret == 0 && dev != NULL) {
179 ret = cpu_get_count(dev);
184 /* determine whether internal uart is on */
185 if (IS_ENABLED(CONFIG_INTERNAL_UART))