diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2018-01-30 05:01:16 -0800 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2018-01-30 22:34:37 +0800 |
| commit | 45410da714a1857c9e06573159877cff98fa4129 (patch) | |
| tree | 01a80bf01ef149f543a71a0c1384e5b95aee5ea3 /arch/x86/include | |
| parent | 3469bf4274540d1491d58e878a9edc0bdcba17ac (diff) | |
x86: acpi: Use an API to get the ACPI RSDP table address
At present the acpi_rsdp_addr variable is directly referenced in
setup_zimage(). This changes to use an API for better encapsulation
and extension.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/acpi_table.h | 9 |
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 80038504dd..d5d77cc011 100644 --- a/arch/x86/include/asm/acpi_table.h +++ b/arch/x86/include/asm/acpi_table.h @@ -330,6 +330,15 @@ void enter_acpi_mode(int pm1_cnt); ulong write_acpi_tables(ulong start); /** + * acpi_get_rsdp_addr() - get ACPI RSDP table address + * + * This routine returns the ACPI RSDP table address in the system memory. + * + * @return: ACPI RSDP table address + */ +ulong acpi_get_rsdp_addr(void); + +/** * acpi_find_fadt() - find ACPI FADT table in the sytem memory * * This routine parses the ACPI table to locate the ACPI FADT table. |