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authorBin Meng <bmeng.cn@gmail.com>2017-04-21 07:24:43 -0700
committerBin Meng <bmeng.cn@gmail.com>2017-05-17 17:11:46 +0800
commit995727850f8e54547bb26285ef9e2aa73a5c71a5 (patch)
treefcc805c49bc3baf02146b04be5dab4053612804d /arch/x86/include
parentb208d1915f1bdba93678b51b87ae214d9e2ca7a3 (diff)
x86: acpi: Make enter_acpi_mode() public
enter_acpi_mode() is useful on other boot path like S3 resume, so make it public. 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')
-rw-r--r--arch/x86/include/asm/acpi_table.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h
index 20b906c616..e96409b860 100644
--- a/arch/x86/include/asm/acpi_table.h
+++ b/arch/x86/include/asm/acpi_table.h
@@ -316,6 +316,15 @@ int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi,
u8 cpu, u16 flags, u8 lint);
u32 acpi_fill_madt(u32 current);
void acpi_create_gnvs(struct acpi_global_nvs *gnvs);
+/**
+ * enter_acpi_mode() - enter into ACPI mode
+ *
+ * This programs the ACPI-defined PM1_CNT register to enable SCI interrupt
+ * so that the whole system swiches to ACPI mode.
+ *
+ * @pm1_cnt: PM1_CNT register I/O address
+ */
+void enter_acpi_mode(int pm1_cnt);
ulong write_acpi_tables(ulong start);
/**