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-rw-r--r--src/southbridge/intel/lynxpoint/early_pch.c1
-rw-r--r--src/southbridge/intel/lynxpoint/early_smbus.c21
-rw-r--r--src/southbridge/intel/lynxpoint/pch.h1
3 files changed, 11 insertions, 12 deletions
diff --git a/src/southbridge/intel/lynxpoint/early_pch.c b/src/southbridge/intel/lynxpoint/early_pch.c
index 25ffdc495d..e0e4613d0b 100644
--- a/src/southbridge/intel/lynxpoint/early_pch.c
+++ b/src/southbridge/intel/lynxpoint/early_pch.c
@@ -19,6 +19,7 @@
#include <device/pci_ops.h>
#include <device/device.h>
#include <device/pci_def.h>
+#include <device/smbus_host.h>
#include <southbridge/intel/common/pmclib.h>
#include <elog.h>
#include "pch.h"
diff --git a/src/southbridge/intel/lynxpoint/early_smbus.c b/src/southbridge/intel/lynxpoint/early_smbus.c
index 5ecce284d6..91f1bc3448 100644
--- a/src/southbridge/intel/lynxpoint/early_smbus.c
+++ b/src/southbridge/intel/lynxpoint/early_smbus.c
@@ -15,26 +15,27 @@
*/
#include <device/pci_ops.h>
-#include <console/console.h>
#include <device/pci_def.h>
#include <device/smbus_host.h>
#include "pch.h"
-void enable_smbus(void)
+uintptr_t smbus_base(void)
{
- pci_devfn_t dev;
+ return SMBUS_IO_BASE;
+}
+int smbus_enable_iobar(uintptr_t base)
+{
/* Set the SMBus device statically. */
- dev = PCI_DEV(0x0, 0x1f, 0x3);
+ pci_devfn_t dev = PCI_DEV(0x0, 0x1f, 0x3);
/* Check to make sure we've got the right device. */
- if (pci_read_config16(dev, 0x0) != 0x8086) {
- die("SMBus controller not found!");
- }
+ if (pci_read_config16(dev, 0x0) != 0x8086)
+ return -1;
/* Set SMBus I/O base. */
pci_write_config32(dev, SMB_BASE,
- SMBUS_IO_BASE | PCI_BASE_ADDRESS_SPACE_IO);
+ base | PCI_BASE_ADDRESS_SPACE_IO);
/* Set SMBus enable. */
pci_write_config8(dev, HOSTC, HST_EN);
@@ -42,9 +43,7 @@ void enable_smbus(void)
/* Set SMBus I/O space enable. */
pci_write_config16(dev, PCI_COMMAND, PCI_COMMAND_IO);
- smbus_host_reset(SMBUS_IO_BASE);
-
- printk(BIOS_DEBUG, "SMBus controller enabled.\n");
+ return 0;
}
int smbus_read_byte(unsigned int device, unsigned int address)
diff --git a/src/southbridge/intel/lynxpoint/pch.h b/src/southbridge/intel/lynxpoint/pch.h
index 71f42ea723..9622c67255 100644
--- a/src/southbridge/intel/lynxpoint/pch.h
+++ b/src/southbridge/intel/lynxpoint/pch.h
@@ -174,7 +174,6 @@ void pch_log_state(void);
void acpi_create_intel_hpet(acpi_hpet_t * hpet);
void acpi_create_serialio_ssdt(acpi_header_t *ssdt);
-void enable_smbus(void);
#if ENV_ROMSTAGE
int smbus_read_byte(unsigned int device, unsigned int address);