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-rw-r--r--src/arch/x86/boot/acpi.c10
-rw-r--r--src/arch/x86/include/arch/acpi.h2
2 files changed, 12 insertions, 0 deletions
diff --git a/src/arch/x86/boot/acpi.c b/src/arch/x86/boot/acpi.c
index cbe9095ef9..5abc17849b 100644
--- a/src/arch/x86/boot/acpi.c
+++ b/src/arch/x86/boot/acpi.c
@@ -687,6 +687,11 @@ void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs, void *dsdt)
extern const unsigned char AmlCode[];
+unsigned long __attribute__ ((weak)) fw_cfg_acpi_tables(unsigned long start)
+{
+ return 0;
+}
+
#define ALIGN_CURRENT current = (ALIGN(current, 16))
unsigned long write_acpi_tables(unsigned long start)
{
@@ -704,12 +709,17 @@ unsigned long write_acpi_tables(unsigned long start)
acpi_mcfg_t *mcfg;
acpi_madt_t *madt;
struct device *dev;
+ unsigned long fw;
current = start;
/* Align ACPI tables to 16byte */
ALIGN_CURRENT;
+ fw = fw_cfg_acpi_tables(current);
+ if (fw)
+ return fw;
+
printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start);
/* We need at least an RSDP and an RSDT Table */
diff --git a/src/arch/x86/include/arch/acpi.h b/src/arch/x86/include/arch/acpi.h
index 9934d0b972..54217b3143 100644
--- a/src/arch/x86/include/arch/acpi.h
+++ b/src/arch/x86/include/arch/acpi.h
@@ -482,6 +482,8 @@ typedef struct acpi_tstate {
u32 status;
} __attribute__ ((packed)) acpi_tstate_t;
+unsigned long fw_cfg_acpi_tables(unsigned long start);
+
/* These are implemented by the target port or north/southbridge. */
unsigned long write_acpi_tables(unsigned long addr);
unsigned long acpi_fill_madt(unsigned long current);