diff options
| -rw-r--r-- | arch/x86/lib/acpi_table.c | 26 | ||||
| -rw-r--r-- | include/dm/acpi.h | 2 | ||||
| -rw-r--r-- | lib/acpi/Makefile | 1 | ||||
| -rw-r--r-- | lib/acpi/facs.c | 33 |
4 files changed, 38 insertions, 24 deletions
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c index e6aa3c5..22f34a4 100644 --- a/arch/x86/lib/acpi_table.c +++ b/arch/x86/lib/acpi_table.c @@ -38,21 +38,6 @@ extern const unsigned char AmlCode[]; /* ACPI RSDP address to be used in boot parameters */ static ulong acpi_rsdp_addr; -static void acpi_create_facs(struct acpi_facs *facs) -{ - memset((void *)facs, 0, sizeof(struct acpi_facs)); - - memcpy(facs->signature, "FACS", 4); - facs->length = sizeof(struct acpi_facs); - facs->hardware_signature = 0; - facs->firmware_waking_vector = 0; - facs->global_lock = 0; - facs->flags = 0; - facs->x_firmware_waking_vector_l = 0; - facs->x_firmware_waking_vector_h = 0; - facs->version = 1; -} - static int acpi_create_madt_lapic(struct acpi_madt_lapic *lapic, u8 cpu, u8 apic) { @@ -507,7 +492,6 @@ static int write_acpi_tables_x86(struct acpi_ctx *ctx, const struct acpi_writer *entry) { const int thl = sizeof(struct acpi_table_header); - struct acpi_facs *facs; struct acpi_table_header *dsdt; struct acpi_fadt *fadt; struct acpi_table_header *ssdt; @@ -521,12 +505,6 @@ static int write_acpi_tables_x86(struct acpi_ctx *ctx, int ret; int i; - debug("ACPI: * FACS\n"); - facs = ctx->current; - acpi_inc_align(ctx, sizeof(struct acpi_facs)); - - acpi_create_facs(facs); - debug("ACPI: * DSDT\n"); dsdt = ctx->current; @@ -599,7 +577,7 @@ static int write_acpi_tables_x86(struct acpi_ctx *ctx, debug("ACPI: * FADT\n"); fadt = ctx->current; acpi_inc_align(ctx, sizeof(struct acpi_fadt)); - acpi_create_fadt(fadt, facs, dsdt); + acpi_create_fadt(fadt, ctx->facs, dsdt); acpi_add_table(ctx, fadt); debug("ACPI: * SSDT\n"); @@ -666,7 +644,7 @@ static int write_acpi_tables_x86(struct acpi_ctx *ctx, return 0; } -ACPI_WRITER(x86, NULL, write_acpi_tables_x86, 0); +ACPI_WRITER(2x86, NULL, write_acpi_tables_x86, 0); ulong acpi_get_rsdp_addr(void) { diff --git a/include/dm/acpi.h b/include/dm/acpi.h index 2021a69..c4baeb6 100644 --- a/include/dm/acpi.h +++ b/include/dm/acpi.h @@ -52,6 +52,7 @@ enum acpi_dump_option { * adding a new table. The RSDP holds pointers to the RSDT and XSDT. * @rsdt: Pointer to the Root System Description Table * @xsdt: Pointer to the Extended System Description Table + * @facs: Pointer to the Firmware ACPI Control Structure * @nhlt: Intel Non-High-Definition-Audio Link Table (NHLT) pointer, used to * build up information that audio codecs need to provide in the NHLT ACPI * table @@ -65,6 +66,7 @@ struct acpi_ctx { struct acpi_rsdp *rsdp; struct acpi_rsdt *rsdt; struct acpi_xsdt *xsdt; + struct acpi_facs *facs; struct nhlt *nhlt; char *len_stack[ACPIGEN_LENSTACK_SIZE]; int ltop; diff --git a/lib/acpi/Makefile b/lib/acpi/Makefile index 4674a92..9f70fe6 100644 --- a/lib/acpi/Makefile +++ b/lib/acpi/Makefile @@ -10,4 +10,5 @@ obj-y += acpi_writer.o # With QEMU the ACPI tables come from there, not from U-Boot ifndef CONFIG_QEMU obj-y += base.o +obj-y += facs.o endif diff --git a/lib/acpi/facs.c b/lib/acpi/facs.c new file mode 100644 index 0000000..8a1568f --- /dev/null +++ b/lib/acpi/facs.c @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Write an ACPI Firmware ACPI Control Structure (FACS) table + * + * Copyright 2021 Google LLC + */ + +#include <common.h> +#include <acpi/acpi_table.h> +#include <dm/acpi.h> + +int acpi_write_facs(struct acpi_ctx *ctx, const struct acpi_writer *entry) +{ + struct acpi_facs *facs = ctx->current; + + memset((void *)facs, '\0', sizeof(struct acpi_facs)); + + memcpy(facs->signature, "FACS", 4); + facs->length = sizeof(struct acpi_facs); + facs->hardware_signature = 0; + facs->firmware_waking_vector = 0; + facs->global_lock = 0; + facs->flags = 0; + facs->x_firmware_waking_vector_l = 0; + facs->x_firmware_waking_vector_h = 0; + facs->version = 1; + + ctx->facs = facs; + acpi_inc(ctx, sizeof(struct acpi_facs)); + + return 0; +} +ACPI_WRITER(1facs, "FACS", acpi_write_facs, 0); |