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-rw-r--r--src/arch/x86/boot/acpi.c21
-rw-r--r--src/include/device/device.h1
-rw-r--r--src/southbridge/intel/bd82x6x/lpc.c8
-rw-r--r--src/southbridge/intel/ibexpeak/lpc.c6
-rw-r--r--src/southbridge/intel/lynxpoint/lpc.c8
5 files changed, 28 insertions, 16 deletions
diff --git a/src/arch/x86/boot/acpi.c b/src/arch/x86/boot/acpi.c
index 3a30d31b71..c4f5fca404 100644
--- a/src/arch/x86/boot/acpi.c
+++ b/src/arch/x86/boot/acpi.c
@@ -707,8 +707,25 @@ unsigned long write_acpi_tables(unsigned long start)
printk(BIOS_DEBUG, "ACPI: * DSDT\n");
dsdt = (acpi_header_t *) current;
memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
- current += dsdt->length;
- memcpy(dsdt, &AmlCode, dsdt->length);
+ if (dsdt->length >= sizeof(acpi_header_t)) {
+ current += sizeof(acpi_header_t);
+
+ acpigen_set_current((char *) current);
+ for (dev = all_devices; dev; dev = dev->next)
+ if (dev->ops && dev->ops->acpi_inject_dsdt_generator) {
+ dev->ops->acpi_inject_dsdt_generator();
+ }
+ current = (unsigned long) acpigen_get_current();
+ memcpy((char *)current,
+ (char *)&AmlCode + sizeof(acpi_header_t),
+ dsdt->length - sizeof(acpi_header_t));
+ current += dsdt->length - sizeof(acpi_header_t);
+
+ /* (Re)calculate length and checksum. */
+ dsdt->length = current - (unsigned long)dsdt;
+ dsdt->checksum = 0;
+ dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length);
+ }
ALIGN_CURRENT;
diff --git a/src/include/device/device.h b/src/include/device/device.h
index 256afd4880..7ae49f5d82 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -61,6 +61,7 @@ struct device_operations {
unsigned long (*write_acpi_tables)(unsigned long start, struct acpi_rsdp *rsdp);
unsigned long (*acpi_fill_ssdt_generator)(unsigned long current,
const char *oem_table_id);
+ void (*acpi_inject_dsdt_generator)(void);
#endif
const struct pci_operations *ops_pci;
const struct smbus_bus_operations *ops_smbus_bus;
diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c
index a1c7c2a289..62188749c0 100644
--- a/src/southbridge/intel/bd82x6x/lpc.c
+++ b/src/southbridge/intel/bd82x6x/lpc.c
@@ -671,7 +671,7 @@ static void set_subsystem(device_t dev, unsigned vendor, unsigned device)
}
}
-static unsigned long southbridge_fill_ssdt(unsigned long current, const char *oem_table_id)
+static void southbridge_inject_dsdt(void)
{
global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof (*gnvs));
void *opregion;
@@ -690,13 +690,11 @@ static unsigned long southbridge_fill_ssdt(unsigned long current, const char *oe
/* And tell SMI about it */
smm_setup_structures(gnvs, NULL, NULL);
- /* Add it to SSDT. */
+ /* Add it to DSDT. */
scopelen = acpigen_write_scope("\\");
scopelen += acpigen_write_name_dword("NVSA", (u32) gnvs);
acpigen_patch_len(scopelen - 1);
}
-
- return (unsigned long) (acpigen_get_current());
}
static struct pci_operations pci_ops = {
@@ -708,7 +706,7 @@ static struct device_operations device_ops = {
.set_resources = pci_dev_set_resources,
.enable_resources = pch_lpc_enable_resources,
.write_acpi_tables = acpi_write_hpet,
- .acpi_fill_ssdt_generator = southbridge_fill_ssdt,
+ .acpi_inject_dsdt_generator = southbridge_inject_dsdt,
.init = lpc_init,
.enable = pch_lpc_enable,
.scan_bus = scan_static_bus,
diff --git a/src/southbridge/intel/ibexpeak/lpc.c b/src/southbridge/intel/ibexpeak/lpc.c
index 27ece63359..31bb4e7921 100644
--- a/src/southbridge/intel/ibexpeak/lpc.c
+++ b/src/southbridge/intel/ibexpeak/lpc.c
@@ -665,7 +665,7 @@ static void set_subsystem(device_t dev, unsigned vendor, unsigned device)
}
}
-static unsigned long southbridge_fill_ssdt(unsigned long current, const char *oem_table_id)
+static void southbridge_inject_dsdt(void)
{
global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof (*gnvs));
void *opregion;
@@ -689,8 +689,6 @@ static unsigned long southbridge_fill_ssdt(unsigned long current, const char *oe
scopelen += acpigen_write_name_dword("NVSA", (u32) gnvs);
acpigen_patch_len(scopelen - 1);
}
-
- return (unsigned long) (acpigen_get_current());
}
static struct pci_operations pci_ops = {
@@ -701,7 +699,7 @@ static struct device_operations device_ops = {
.read_resources = pch_lpc_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pch_lpc_enable_resources,
- .acpi_fill_ssdt_generator = southbridge_fill_ssdt,
+ .acpi_inject_dsdt_generator = southbridge_inject_dsdt,
.write_acpi_tables = acpi_write_hpet,
.init = lpc_init,
.enable = pch_lpc_enable,
diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c
index 451aeabc2e..9e860d0d5c 100644
--- a/src/southbridge/intel/lynxpoint/lpc.c
+++ b/src/southbridge/intel/lynxpoint/lpc.c
@@ -743,7 +743,7 @@ static void set_subsystem(device_t dev, unsigned vendor, unsigned device)
}
}
-static unsigned long southbridge_fill_ssdt(unsigned long current, const char *oem_table_id)
+static void southbridge_inject_dsdt(void)
{
global_nvs_t *gnvs;
@@ -761,13 +761,11 @@ static unsigned long southbridge_fill_ssdt(unsigned long current, const char *oe
/* And tell SMI about it */
smm_setup_structures(gnvs, NULL, NULL);
- /* Add it to SSDT. */
+ /* Add it to DSDT. */
scopelen = acpigen_write_scope("\\");
scopelen += acpigen_write_name_dword("NVSA", (u32) gnvs);
acpigen_patch_len(scopelen - 1);
}
-
- return (unsigned long) (acpigen_get_current());
}
#define ALIGN_CURRENT current = (ALIGN(current, 16))
@@ -815,7 +813,7 @@ static struct device_operations device_ops = {
.read_resources = pch_lpc_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
- .acpi_fill_ssdt_generator = southbridge_fill_ssdt,
+ .acpi_inject_dsdt_generator = southbridge_inject_dsdt,
.write_acpi_tables = southbridge_write_acpi_tables,
.init = lpc_init,
.enable = pch_lpc_enable,