7  * SPDX-License-Identifier: GPL-2.0+
10 #include <common.h>
13 #include <dm/uclass-internal.h>
35 	memcpy(rsdp->signature, RSDP_SIG, 8);  in acpi_write_rsdp()
36 	memcpy(rsdp->oem_id, OEM_ID, 6);  in acpi_write_rsdp()
38 	rsdp->length = sizeof(struct acpi_rsdp);  in acpi_write_rsdp()
39 	rsdp->rsdt_address = (u32)rsdt;  in acpi_write_rsdp()
49 		rsdp->revision = ACPI_RSDP_REV_ACPI_1_0;  in acpi_write_rsdp()
51 		rsdp->xsdt_address = (u64)(u32)xsdt;  in acpi_write_rsdp()
52 		rsdp->revision = ACPI_RSDP_REV_ACPI_2_0;  in acpi_write_rsdp()
56 	rsdp->checksum = table_compute_checksum((void *)rsdp, 20);  in acpi_write_rsdp()
57 	rsdp->ext_checksum = table_compute_checksum((void *)rsdp,  in acpi_write_rsdp()
63 	memcpy(header->signature, signature, 4);  in acpi_fill_header()
64 	memcpy(header->oem_id, OEM_ID, 6);  in acpi_fill_header()
65 	memcpy(header->oem_table_id, OEM_TABLE_ID, 8);  in acpi_fill_header()
66 	header->oem_revision = U_BOOT_BUILD_DATE;  in acpi_fill_header()
67 	memcpy(header->aslc_id, ASLC_ID, 4);  in acpi_fill_header()
72 	struct acpi_table_header *header = &(rsdt->header);  in acpi_write_rsdt()
76 	header->length = sizeof(struct acpi_rsdt);  in acpi_write_rsdt()
77 	header->revision = 1;  in acpi_write_rsdt()
82 	header->checksum = table_compute_checksum((void *)rsdt,  in acpi_write_rsdt()
88 	struct acpi_table_header *header = &(xsdt->header);  in acpi_write_xsdt()
92 	header->length = sizeof(struct acpi_xsdt);  in acpi_write_xsdt()
93 	header->revision = 1;  in acpi_write_xsdt()
98 	header->checksum = table_compute_checksum((void *)xsdt,  in acpi_write_xsdt()
113 	rsdt = (struct acpi_rsdt *)rsdp->rsdt_address;  in acpi_add_table()
115 	if (rsdp->xsdt_address)  in acpi_add_table()
116 		xsdt = (struct acpi_xsdt *)((u32)rsdp->xsdt_address);  in acpi_add_table()
119 	entries_num = ARRAY_SIZE(rsdt->entry);  in acpi_add_table()
122 		if (rsdt->entry[i] == 0)  in acpi_add_table()
132 	rsdt->entry[i] = (u32)table;  in acpi_add_table()
135 	rsdt->header.length = sizeof(struct acpi_table_header) +  in acpi_add_table()
138 	/* Re-calculate checksum */  in acpi_add_table()
139 	rsdt->header.checksum = 0;  in acpi_add_table()
140 	rsdt->header.checksum = table_compute_checksum((u8 *)rsdt,  in acpi_add_table()
141 			rsdt->header.length);  in acpi_add_table()
145 	 * now we want the XSDT and RSDT to always be in sync in U-Boot  in acpi_add_table()
149 		xsdt->entry[i] = (u64)(u32)table;  in acpi_add_table()
152 		xsdt->header.length = sizeof(struct acpi_table_header) +  in acpi_add_table()
155 		/* Re-calculate checksum */  in acpi_add_table()
156 		xsdt->header.checksum = 0;  in acpi_add_table()
157 		xsdt->header.checksum = table_compute_checksum((u8 *)xsdt,  in acpi_add_table()
158 				xsdt->header.length);  in acpi_add_table()
166 	memcpy(facs->signature, "FACS", 4);  in acpi_create_facs()
167 	facs->length = sizeof(struct acpi_facs);  in acpi_create_facs()
168 	facs->hardware_signature = 0;  in acpi_create_facs()
169 	facs->firmware_waking_vector = 0;  in acpi_create_facs()
170 	facs->global_lock = 0;  in acpi_create_facs()
171 	facs->flags = 0;  in acpi_create_facs()
172 	facs->x_firmware_waking_vector_l = 0;  in acpi_create_facs()
173 	facs->x_firmware_waking_vector_h = 0;  in acpi_create_facs()
174 	facs->version = 1;  in acpi_create_facs()
180 	lapic->type = ACPI_APIC_LAPIC;  in acpi_create_madt_lapic()
181 	lapic->length = sizeof(struct acpi_madt_lapic);  in acpi_create_madt_lapic()
182 	lapic->flags = LOCAL_APIC_FLAG_ENABLED;  in acpi_create_madt_lapic()
183 	lapic->processor_id = cpu;  in acpi_create_madt_lapic()
184 	lapic->apic_id = apic;  in acpi_create_madt_lapic()
186 	return lapic->length;  in acpi_create_madt_lapic()
200 				plat->cpu_id, plat->cpu_id);  in acpi_create_madt_lapics()
211 	ioapic->type = ACPI_APIC_IOAPIC;  in acpi_create_madt_ioapic()
212 	ioapic->length = sizeof(struct acpi_madt_ioapic);  in acpi_create_madt_ioapic()
213 	ioapic->reserved = 0x00;  in acpi_create_madt_ioapic()
214 	ioapic->gsi_base = gsi_base;  in acpi_create_madt_ioapic()
215 	ioapic->ioapic_id = id;  in acpi_create_madt_ioapic()
216 	ioapic->ioapic_addr = addr;  in acpi_create_madt_ioapic()
218 	return ioapic->length;  in acpi_create_madt_ioapic()
224 	irqoverride->type = ACPI_APIC_IRQ_SRC_OVERRIDE;  in acpi_create_madt_irqoverride()
225 	irqoverride->length = sizeof(struct acpi_madt_irqoverride);  in acpi_create_madt_irqoverride()
226 	irqoverride->bus = bus;  in acpi_create_madt_irqoverride()
227 	irqoverride->source = source;  in acpi_create_madt_irqoverride()
228 	irqoverride->gsirq = gsirq;  in acpi_create_madt_irqoverride()
229 	irqoverride->flags = flags;  in acpi_create_madt_irqoverride()
231 	return irqoverride->length;  in acpi_create_madt_irqoverride()
237 	lapic_nmi->type = ACPI_APIC_LAPIC_NMI;  in acpi_create_madt_lapic_nmi()
238 	lapic_nmi->length = sizeof(struct acpi_madt_lapic_nmi);  in acpi_create_madt_lapic_nmi()
239 	lapic_nmi->flags = flags;  in acpi_create_madt_lapic_nmi()
240 	lapic_nmi->processor_id = cpu;  in acpi_create_madt_lapic_nmi()
241 	lapic_nmi->lint = lint;  in acpi_create_madt_lapic_nmi()
243 	return lapic_nmi->length;  in acpi_create_madt_lapic_nmi()
275 	struct acpi_table_header *header = &(madt->header);  in acpi_create_madt()
282 	header->length = sizeof(struct acpi_madt);  in acpi_create_madt()
283 	header->revision = 4;  in acpi_create_madt()
285 	madt->lapic_addr = LAPIC_DEFAULT_BASE;  in acpi_create_madt()
286 	madt->flags = ACPI_MADT_PCAT_COMPAT;  in acpi_create_madt()
291 	header->length = current - (u32)madt;  in acpi_create_madt()
293 	header->checksum = table_compute_checksum((void *)madt, header->length);  in acpi_create_madt()
300 	mmconfig->base_address_l = base;  in acpi_create_mcfg_mmconfig()
301 	mmconfig->base_address_h = 0;  in acpi_create_mcfg_mmconfig()
302 	mmconfig->pci_segment_group_number = seg_nr;  in acpi_create_mcfg_mmconfig()
303 	mmconfig->start_bus_number = start;  in acpi_create_mcfg_mmconfig()
304 	mmconfig->end_bus_number = end;  in acpi_create_mcfg_mmconfig()
321 	struct acpi_table_header *header = &(mcfg->header);  in acpi_create_mcfg()
328 	header->length = sizeof(struct acpi_mcfg);  in acpi_create_mcfg()
329 	header->revision = 1;  in acpi_create_mcfg()
334 	header->length = current - (u32)mcfg;  in acpi_create_mcfg()
335 	header->checksum = table_compute_checksum((void *)mcfg, header->length);  in acpi_create_mcfg()
344 	 * either an SCI or SMI interrupt. When this bit is set, then power  in enter_acpi_mode()
346 	 * is reset power management events will generate an SMI interrupt.  in enter_acpi_mode()
351 	 * U-Boot does not support SMI. And we don't have plan to support  in enter_acpi_mode()
352 	 * anything running in SMM within U-Boot. To create a legacy-free  in enter_acpi_mode()
399 	memset((void *)start, 0, current - start);  in write_acpi_tables()
418 	       dsdt->length - sizeof(struct acpi_table_header));  in write_acpi_tables()
419 	current += dsdt->length - sizeof(struct acpi_table_header);  in write_acpi_tables()
423 	for (i = 0; i < dsdt->length; i++) {  in write_acpi_tables()
433 	dsdt->checksum = 0;  in write_acpi_tables()
434 	dsdt->checksum = table_compute_checksum((void *)dsdt, dsdt->length);  in write_acpi_tables()
436 	/* Fill in platform-specific global NVS variables */  in write_acpi_tables()
451 	current += madt->header.length;  in write_acpi_tables()
458 	current += mcfg->header.length;  in write_acpi_tables()
467 	if (fadt->flags & ACPI_FADT_HW_REDUCED_ACPI)  in write_acpi_tables()
472 	 * do it by ourselves, since SMI will not be triggered.  in write_acpi_tables()
474 	enter_acpi_mode(fadt->pm1a_cnt_blk);  in write_acpi_tables()
481 	if (strncmp((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0)  in acpi_valid_rsdp()
490 	if ((rsdp->revision > 1) &&  in acpi_valid_rsdp()
491 	    (table_compute_checksum((void *)rsdp, rsdp->length) != 0))  in acpi_valid_rsdp()
517 	rsdt = (struct acpi_rsdt *)rsdp->rsdt_address;  in acpi_find_fadt()
519 	end = (char *)rsdt + rsdt->header.length;  in acpi_find_fadt()
522 	for (i = 0; ((char *)&rsdt->entry[i]) < end; i++) {  in acpi_find_fadt()
523 		fadt = (struct acpi_fadt *)rsdt->entry[i];  in acpi_find_fadt()
543 	facs = (struct acpi_facs *)fadt->firmware_ctrl;  in acpi_find_wakeup_vector()
551 	wake_vec = (void *)facs->firmware_waking_vector;  in acpi_find_wakeup_vector()