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-rw-r--r--src/northbridge/intel/sandybridge/northbridge.c28
-rw-r--r--src/northbridge/intel/sandybridge/sandybridge.h11
2 files changed, 28 insertions, 11 deletions
diff --git a/src/northbridge/intel/sandybridge/northbridge.c b/src/northbridge/intel/sandybridge/northbridge.c
index 7d257f6fe3..0e0ba00cf1 100644
--- a/src/northbridge/intel/sandybridge/northbridge.c
+++ b/src/northbridge/intel/sandybridge/northbridge.c
@@ -36,6 +36,7 @@
#include <cbmem.h>
#include "chip.h"
#include "sandybridge.h"
+#include <cpu/intel/smm/gen1/smi.h>
static int bridge_revision_id = -1;
@@ -432,6 +433,33 @@ static void northbridge_enable(device_t dev)
#endif
}
+static u32 northbridge_get_base_reg(device_t dev, int reg)
+{
+ u32 value;
+
+ value = pci_read_config32(dev, reg);
+ /* Base registers are at 1MiB granularity. */
+ value &= ~((1 << 20) - 1);
+ return value;
+}
+
+void
+northbridge_get_tseg_base_and_size(u32 *tsegmb, u32 *tseg_size)
+{
+ device_t dev;
+ u32 bgsm;
+ dev = dev_find_slot(0, PCI_DEVFN(0, 0));
+
+ *tsegmb = northbridge_get_base_reg(dev, TSEG);
+ bgsm = northbridge_get_base_reg(dev, BGSM);
+ *tseg_size = bgsm - *tsegmb;
+}
+
+void northbridge_write_smram(u8 smram)
+{
+ pci_write_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), SMRAM, smram);
+}
+
static struct pci_operations intel_pci_ops = {
.set_subsystem = intel_set_subsystem,
};
diff --git a/src/northbridge/intel/sandybridge/sandybridge.h b/src/northbridge/intel/sandybridge/sandybridge.h
index 09894f71e4..6f8fcfc6bb 100644
--- a/src/northbridge/intel/sandybridge/sandybridge.h
+++ b/src/northbridge/intel/sandybridge/sandybridge.h
@@ -91,11 +91,6 @@
#define LAC 0x87 /* Legacy Access Control */
#define SMRAM 0x88 /* System Management RAM Control */
-#define D_OPEN (1 << 6)
-#define D_CLS (1 << 5)
-#define D_LCK (1 << 4)
-#define G_SMRAME (1 << 3)
-#define C_BASE_SEG ((0 << 2) | (1 << 1) | (0 << 0))
#define TOM 0xa0
#define TOUUD 0xa8 /* Top of Upper Usable DRAM */
@@ -200,12 +195,6 @@
#ifndef __ASSEMBLER__
static inline void barrier(void) { asm("" ::: "memory"); }
-struct ied_header {
- char signature[10];
- u32 size;
- u8 reserved[34];
-} __attribute__ ((packed));
-
#define PCI_DEVICE_ID_SB 0x0104
#define PCI_DEVICE_ID_IB 0x0154