Message ID | 1492784689-15701-17-git-send-email-bmeng.cn@gmail.com |
---|---|
State | Accepted |
Commit | 995727850f8e54547bb26285ef9e2aa73a5c71a5 |
Delegated to: | Bin Meng |
Headers | show |
On Fri, Apr 21, 2017 at 10:24 PM, Bin Meng <bmeng.cn@gmail.com> wrote: > 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> > > --- > > Changes in v2: > - add a function comment block for enter_acpi_mode() > > arch/x86/include/asm/acpi_table.h | 9 +++++++++ > arch/x86/lib/acpi_table.c | 2 +- > 2 files changed, 10 insertions(+), 1 deletion(-) > applied to u-boot-x86/next, thanks!
diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h index 20b906c..e96409b 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); /** diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c index 8be8120..87a71ca 100644 --- a/arch/x86/lib/acpi_table.c +++ b/arch/x86/lib/acpi_table.c @@ -304,7 +304,7 @@ static void acpi_create_mcfg(struct acpi_mcfg *mcfg) header->checksum = table_compute_checksum((void *)mcfg, header->length); } -static void enter_acpi_mode(int pm1_cnt) +void enter_acpi_mode(int pm1_cnt) { u16 val = inw(pm1_cnt);