diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2016-06-17 02:13:14 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-07-12 13:46:01 +0800 |
| commit | 2047390abc04b921764bd23eeffc0d3e83a2a674 (patch) | |
| tree | 670a73ae6af42a2a26db47a0d7d493281bfdb425 /arch/x86/cpu | |
| parent | f2a751bebafed498d216f8d9a49d21f0d8335fe3 (diff) | |
x86: baytrail: Introduce ACPI global NVS
This introduces baytrail-specific ACPI global NVS structure, defined in
both C header file and ASL file.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: George McCollister <george.mccollister@gmail.com>
Tested-by: George McCollister <george.mccollister@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/cpu')
| -rw-r--r-- | arch/x86/cpu/baytrail/acpi.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/x86/cpu/baytrail/acpi.c b/arch/x86/cpu/baytrail/acpi.c index 5ee4868cf8..fa92d8852e 100644 --- a/arch/x86/cpu/baytrail/acpi.c +++ b/arch/x86/cpu/baytrail/acpi.c @@ -5,10 +5,14 @@ */ #include <common.h> +#include <cpu.h> +#include <dm.h> +#include <dm/uclass-internal.h> #include <asm/acpi_table.h> #include <asm/ioapic.h> #include <asm/mpspec.h> #include <asm/tables.h> +#include <asm/arch/global_nvs.h> #include <asm/arch/iomap.h> void acpi_create_fadt(struct acpi_fadt *fadt, struct acpi_facs *facs, @@ -161,3 +165,25 @@ u32 acpi_fill_madt(u32 current) return current; } + +void acpi_create_gnvs(struct acpi_global_nvs *gnvs) +{ + struct udevice *dev; + int ret; + + /* at least we have one processor */ + gnvs->pcnt = 1; + /* override the processor count with actual number */ + ret = uclass_find_first_device(UCLASS_CPU, &dev); + if (ret == 0 && dev != NULL) { + ret = cpu_get_count(dev); + if (ret > 0) + gnvs->pcnt = ret; + } + + /* determine whether internal uart is on */ + if (IS_ENABLED(CONFIG_INTERNAL_UART)) + gnvs->iuart_en = 1; + else + gnvs->iuart_en = 0; +} |