southbridge/intel: Tidy up preprocessor and headers

Change-Id: I52a7b39566acd64ac21a345046675e05649a40f5
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34980
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/southbridge/intel/i82801ix/hdaudio.c b/src/southbridge/intel/i82801ix/hdaudio.c
index 16350d5..f105a73 100644
--- a/src/southbridge/intel/i82801ix/hdaudio.c
+++ b/src/southbridge/intel/i82801ix/hdaudio.c
@@ -23,6 +23,7 @@
 #include <device/mmio.h>
 #include <delay.h>
 #include <device/azalia_device.h>
+#include "chip.h"
 #include "i82801ix.h"
 
 #define HDA_ICII_REG 0x68
diff --git a/src/southbridge/intel/i82801ix/i82801ix.c b/src/southbridge/intel/i82801ix/i82801ix.c
index 99078dc..341a98a 100644
--- a/src/southbridge/intel/i82801ix/i82801ix.c
+++ b/src/southbridge/intel/i82801ix/i82801ix.c
@@ -22,6 +22,7 @@
 #include <device/device.h>
 #include <device/pci.h>
 #include <console/console.h>
+#include "chip.h"
 #include "i82801ix.h"
 
 typedef struct southbridge_intel_i82801ix_config config_t;
diff --git a/src/southbridge/intel/i82801ix/i82801ix.h b/src/southbridge/intel/i82801ix/i82801ix.h
index 31eabb6..afaaade 100644
--- a/src/southbridge/intel/i82801ix/i82801ix.h
+++ b/src/southbridge/intel/i82801ix/i82801ix.h
@@ -18,12 +18,6 @@
 #ifndef SOUTHBRIDGE_INTEL_I82801GX_I82801IX_H
 #define SOUTHBRIDGE_INTEL_I82801GX_I82801IX_H
 
-#ifndef __ACPI__
-#ifndef __ASSEMBLER__
-#include "chip.h"
-#endif
-#endif
-
 #define DEFAULT_TBAR		((u8 *)0xfed1b000)
 
 #include <southbridge/intel/common/rcba.h>
@@ -214,12 +208,13 @@
 
 void aseg_smm_lock(void);
 
-#if defined(__PRE_RAM__)
 void enable_smbus(void);
-int smbus_read_byte(unsigned device, unsigned address);
 void i82801ix_early_init(void);
 void i82801ix_dmi_setup(void);
 void i82801ix_dmi_poll_vc1(void);
+
+#if ENV_ROMSTAGE
+int smbus_read_byte(unsigned device, unsigned address);
 #endif
 
 #endif
diff --git a/src/southbridge/intel/i82801ix/lpc.c b/src/southbridge/intel/i82801ix/lpc.c
index ba2b028..cb964de 100644
--- a/src/southbridge/intel/i82801ix/lpc.c
+++ b/src/southbridge/intel/i82801ix/lpc.c
@@ -30,6 +30,7 @@
 #include <arch/acpigen.h>
 #include <cbmem.h>
 #include <string.h>
+#include "chip.h"
 #include "i82801ix.h"
 #include "nvs.h"
 #include <southbridge/intel/common/pciehp.h>
diff --git a/src/southbridge/intel/i82801ix/sata.c b/src/southbridge/intel/i82801ix/sata.c
index 49d2d36..fa6c1df 100644
--- a/src/southbridge/intel/i82801ix/sata.c
+++ b/src/southbridge/intel/i82801ix/sata.c
@@ -25,6 +25,7 @@
 #include <pc80/mc146818rtc.h>
 #include <types.h>
 
+#include "chip.h"
 #include "i82801ix.h"
 
 typedef struct southbridge_intel_i82801ix_config config_t;