diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2017-04-21 14:24:36 (GMT) |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2017-05-17 09:11:46 (GMT) |
| commit | e76bf38f180b0c9325b17506f1518329d82cbed8 (patch) | |
| tree | 8ce67b116d477a575794a7d391d71ba8085571fd /arch/x86/include/asm | |
| parent | 2b2d666f9caca189e4014f8e23088b0afc360e22 (diff) | |
| download | u-boot-e76bf38f180b0c9325b17506f1518329d82cbed8.tar.xz | |
x86: acpi: Add one API to find OS wakeup vector
This adds one API acpi_find_wakeup_vector() to locate OS wakeup
vector from the ACPI FACS table, to be used in the S3 boot path.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/acpi_table.h | 10 | ||||
| -rw-r--r-- | arch/x86/include/asm/tables.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h index bbd80a1..20b906c 100644 --- a/arch/x86/include/asm/acpi_table.h +++ b/arch/x86/include/asm/acpi_table.h @@ -317,3 +317,13 @@ int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi, u32 acpi_fill_madt(u32 current); void acpi_create_gnvs(struct acpi_global_nvs *gnvs); ulong write_acpi_tables(ulong start); + +/** + * acpi_find_wakeup_vector() - find OS installed wake up vector address + * + * This routine parses the ACPI table to locate the wake up vector installed + * by the OS previously. + * + * @return: wake up vector address installed by the OS + */ +void *acpi_find_wakeup_vector(void); diff --git a/arch/x86/include/asm/tables.h b/arch/x86/include/asm/tables.h index d1b2388..9e8208b 100644 --- a/arch/x86/include/asm/tables.h +++ b/arch/x86/include/asm/tables.h @@ -15,6 +15,7 @@ * PIRQ routing table, Multi-Processor table and ACPI table. */ #define ROM_TABLE_ADDR 0xf0000 +#define ROM_TABLE_END 0xfffff #define ROM_TABLE_ALIGN 1024 |