#include <cpu.h>
#include <dm.h>
#include <dm/uclass-internal.h>
+#include <mapmem.h>
#include <serial.h>
#include <version.h>
+#include <acpi/acpi_table.h>
#include <asm/acpi/global_nvs.h>
-#include <asm/acpi_table.h>
#include <asm/ioapic.h>
#include <asm/lapic.h>
#include <asm/mpspec.h>
#include <asm/tables.h>
#include <asm/arch/global_nvs.h>
+#include <dm/acpi.h>
/*
* IASL compiles the dsdt entries and writes the hex values
/* ACPI RSDP address to be used in boot parameters */
static ulong acpi_rsdp_addr;
-static void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt,
- struct acpi_xsdt *xsdt)
-{
- memset(rsdp, 0, sizeof(struct acpi_rsdp));
-
- memcpy(rsdp->signature, RSDP_SIG, 8);
- memcpy(rsdp->oem_id, OEM_ID, 6);
-
- rsdp->length = sizeof(struct acpi_rsdp);
- rsdp->rsdt_address = (u32)rsdt;
-
- /*
- * Revision: ACPI 1.0: 0, ACPI 2.0/3.0/4.0: 2
- *
- * Some OSes expect an XSDT to be present for RSD PTR revisions >= 2.
- * If we don't have an ACPI XSDT, force ACPI 1.0 (and thus RSD PTR
- * revision 0)
- */
- if (xsdt == NULL) {
- rsdp->revision = ACPI_RSDP_REV_ACPI_1_0;
- } else {
- rsdp->xsdt_address = (u64)(u32)xsdt;
- rsdp->revision = ACPI_RSDP_REV_ACPI_2_0;
- }
-
- /* Calculate checksums */
- rsdp->checksum = table_compute_checksum((void *)rsdp, 20);
- rsdp->ext_checksum = table_compute_checksum((void *)rsdp,
- sizeof(struct acpi_rsdp));
-}
-
-void acpi_fill_header(struct acpi_table_header *header, char *signature)
-{
- memcpy(header->signature, signature, 4);
- memcpy(header->oem_id, OEM_ID, 6);
- memcpy(header->oem_table_id, OEM_TABLE_ID, 8);
- header->oem_revision = U_BOOT_BUILD_DATE;
- memcpy(header->aslc_id, ASLC_ID, 4);
-}
-
-static void acpi_write_rsdt(struct acpi_rsdt *rsdt)
-{
- struct acpi_table_header *header = &(rsdt->header);
-
- /* Fill out header fields */
- acpi_fill_header(header, "RSDT");
- header->length = sizeof(struct acpi_rsdt);
- header->revision = 1;
-
- /* Entries are filled in later, we come with an empty set */
-
- /* Fix checksum */
- header->checksum = table_compute_checksum((void *)rsdt,
- sizeof(struct acpi_rsdt));
-}
-
-static void acpi_write_xsdt(struct acpi_xsdt *xsdt)
-{
- struct acpi_table_header *header = &(xsdt->header);
-
- /* Fill out header fields */
- acpi_fill_header(header, "XSDT");
- header->length = sizeof(struct acpi_xsdt);
- header->revision = 1;
-
- /* Entries are filled in later, we come with an empty set */
-
- /* Fix checksum */
- header->checksum = table_compute_checksum((void *)xsdt,
- sizeof(struct acpi_xsdt));
-}
-
-/**
- * Add an ACPI table to the RSDT (and XSDT) structure, recalculate length
- * and checksum.
- */
-static void acpi_add_table(struct acpi_rsdp *rsdp, void *table)
-{
- int i, entries_num;
- struct acpi_rsdt *rsdt;
- struct acpi_xsdt *xsdt;
-
- /* The RSDT is mandatory while the XSDT is not */
- rsdt = (struct acpi_rsdt *)rsdp->rsdt_address;
-
- /* This should always be MAX_ACPI_TABLES */
- entries_num = ARRAY_SIZE(rsdt->entry);
-
- for (i = 0; i < entries_num; i++) {
- if (rsdt->entry[i] == 0)
- break;
- }
-
- if (i >= entries_num) {
- debug("ACPI: Error: too many tables\n");
- return;
- }
-
- /* Add table to the RSDT */
- rsdt->entry[i] = (u32)table;
-
- /* Fix RSDT length or the kernel will assume invalid entries */
- rsdt->header.length = sizeof(struct acpi_table_header) +
- sizeof(u32) * (i + 1);
-
- /* Re-calculate checksum */
- rsdt->header.checksum = 0;
- rsdt->header.checksum = table_compute_checksum((u8 *)rsdt,
- rsdt->header.length);
-
- /* The RSDT is mandatory while the XSDT is not */
- if (!rsdp->xsdt_address)
- return;
-
- /*
- * And now the same thing for the XSDT. We use the same index as for
- * now we want the XSDT and RSDT to always be in sync in U-Boot
- */
- xsdt = (struct acpi_xsdt *)((u32)rsdp->xsdt_address);
-
- /* Add table to the XSDT */
- xsdt->entry[i] = (u64)(u32)table;
-
- /* Fix XSDT length */
- xsdt->header.length = sizeof(struct acpi_table_header) +
- sizeof(u64) * (i + 1);
-
- /* Re-calculate checksum */
- xsdt->header.checksum = 0;
- xsdt->header.checksum = table_compute_checksum((u8 *)xsdt,
- xsdt->header.length);
-}
-
static void acpi_create_facs(struct acpi_facs *facs)
{
memset((void *)facs, 0, sizeof(struct acpi_facs));
/*
* QEMU's version of write_acpi_tables is defined in drivers/misc/qfw.c
*/
-ulong write_acpi_tables(ulong start)
+ulong write_acpi_tables(ulong start_addr)
{
- u32 current;
- struct acpi_rsdp *rsdp;
- struct acpi_rsdt *rsdt;
- struct acpi_xsdt *xsdt;
+ struct acpi_ctx sctx, *ctx = &sctx;
struct acpi_facs *facs;
struct acpi_table_header *dsdt;
struct acpi_fadt *fadt;
struct acpi_madt *madt;
struct acpi_csrt *csrt;
struct acpi_spcr *spcr;
+ void *start;
+ ulong addr;
int i;
- current = start;
+ start = map_sysmem(start_addr, 0);
- /* Align ACPI tables to 16 byte */
- current = ALIGN(current, 16);
+ debug("ACPI: Writing ACPI tables at %lx\n", start_addr);
- debug("ACPI: Writing ACPI tables at %lx\n", start);
-
- /* We need at least an RSDP and an RSDT Table */
- rsdp = (struct acpi_rsdp *)current;
- current += sizeof(struct acpi_rsdp);
- current = ALIGN(current, 16);
- rsdt = (struct acpi_rsdt *)current;
- current += sizeof(struct acpi_rsdt);
- current = ALIGN(current, 16);
- xsdt = (struct acpi_xsdt *)current;
- current += sizeof(struct acpi_xsdt);
- /*
- * Per ACPI spec, the FACS table address must be aligned to a 64 byte
- * boundary (Windows checks this, but Linux does not).
- */
- current = ALIGN(current, 64);
-
- /* clear all table memory */
- memset((void *)start, 0, current - start);
-
- acpi_write_rsdp(rsdp, rsdt, xsdt);
- acpi_write_rsdt(rsdt);
- acpi_write_xsdt(xsdt);
+ acpi_setup_base_tables(ctx, start);
debug("ACPI: * FACS\n");
- facs = (struct acpi_facs *)current;
- current += sizeof(struct acpi_facs);
- current = ALIGN(current, 16);
+ facs = ctx->current;
+ acpi_inc_align(ctx, sizeof(struct acpi_facs));
acpi_create_facs(facs);
debug("ACPI: * DSDT\n");
- dsdt = (struct acpi_table_header *)current;
+ dsdt = ctx->current;
memcpy(dsdt, &AmlCode, sizeof(struct acpi_table_header));
- current += sizeof(struct acpi_table_header);
- memcpy((char *)current,
+ acpi_inc(ctx, sizeof(struct acpi_table_header));
+ memcpy(ctx->current,
(char *)&AmlCode + sizeof(struct acpi_table_header),
dsdt->length - sizeof(struct acpi_table_header));
- current += dsdt->length - sizeof(struct acpi_table_header);
- current = ALIGN(current, 16);
+ acpi_inc_align(ctx, dsdt->length - sizeof(struct acpi_table_header));
/* Pack GNVS into the ACPI table area */
for (i = 0; i < dsdt->length; i++) {
u32 *gnvs = (u32 *)((u32)dsdt + i);
if (*gnvs == ACPI_GNVS_ADDR) {
- debug("Fix up global NVS in DSDT to 0x%08x\n", current);
- *gnvs = current;
+ ulong addr = (ulong)map_to_sysmem(ctx->current);
+
+ debug("Fix up global NVS in DSDT to %#08lx\n", addr);
+ *gnvs = addr;
break;
}
}
dsdt->checksum = table_compute_checksum((void *)dsdt, dsdt->length);
/* Fill in platform-specific global NVS variables */
- acpi_create_gnvs((struct acpi_global_nvs *)current);
- current += sizeof(struct acpi_global_nvs);
- current = ALIGN(current, 16);
+ acpi_create_gnvs(ctx->current);
+ acpi_inc_align(ctx, sizeof(struct acpi_global_nvs));
debug("ACPI: * FADT\n");
- fadt = (struct acpi_fadt *)current;
- current += sizeof(struct acpi_fadt);
- current = ALIGN(current, 16);
+ fadt = ctx->current;
+ acpi_inc_align(ctx, sizeof(struct acpi_fadt));
acpi_create_fadt(fadt, facs, dsdt);
- acpi_add_table(rsdp, fadt);
+ acpi_add_table(ctx, fadt);
debug("ACPI: * MADT\n");
- madt = (struct acpi_madt *)current;
+ madt = ctx->current;
acpi_create_madt(madt);
- current += madt->header.length;
- acpi_add_table(rsdp, madt);
- current = ALIGN(current, 16);
+ acpi_inc_align(ctx, madt->header.length);
+ acpi_add_table(ctx, madt);
debug("ACPI: * MCFG\n");
- mcfg = (struct acpi_mcfg *)current;
+ mcfg = ctx->current;
acpi_create_mcfg(mcfg);
- current += mcfg->header.length;
- acpi_add_table(rsdp, mcfg);
- current = ALIGN(current, 16);
+ acpi_inc_align(ctx, mcfg->header.length);
+ acpi_add_table(ctx, mcfg);
debug("ACPI: * CSRT\n");
- csrt = (struct acpi_csrt *)current;
+ csrt = ctx->current;
acpi_create_csrt(csrt);
- current += csrt->header.length;
- acpi_add_table(rsdp, csrt);
- current = ALIGN(current, 16);
+ acpi_inc_align(ctx, csrt->header.length);
+ acpi_add_table(ctx, csrt);
debug("ACPI: * SPCR\n");
- spcr = (struct acpi_spcr *)current;
+ spcr = ctx->current;
acpi_create_spcr(spcr);
- current += spcr->header.length;
- acpi_add_table(rsdp, spcr);
- current = ALIGN(current, 16);
+ acpi_inc_align(ctx, spcr->header.length);
+ acpi_add_table(ctx, spcr);
+
+ acpi_write_dev_tables(ctx);
- debug("current = %x\n", current);
+ addr = map_to_sysmem(ctx->current);
+ debug("current = %lx\n", addr);
- acpi_rsdp_addr = (unsigned long)rsdp;
+ acpi_rsdp_addr = (unsigned long)ctx->rsdp;
debug("ACPI: done\n");
- return current;
+ return addr;
}
ulong acpi_get_rsdp_addr(void)
projects / oweals / u-boot.git / blobdiff