diff --git a/atahpt.c b/atahpt.c
index 4234f6d..41a82cb 100644
--- a/atahpt.c
+++ b/atahpt.c
@@ -24,6 +24,7 @@
 #include <string.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 #define BIOS_ROM_ADDR		0x90
 #define BIOS_ROM_DATA		0x94
diff --git a/board_enable.c b/board_enable.c
index 98607aa..04cb557 100644
--- a/board_enable.c
+++ b/board_enable.c
@@ -27,6 +27,7 @@
 #include <string.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 #if defined(__i386__) || defined(__x86_64__)
 /*
diff --git a/chipset_enable.c b/chipset_enable.c
index 5cfcd1b..bde2e12 100644
--- a/chipset_enable.c
+++ b/chipset_enable.c
@@ -34,6 +34,7 @@
 #include <errno.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 #define NOT_DONE_YET 1
 
diff --git a/drkaiser.c b/drkaiser.c
index 362db57..a3844b8 100644
--- a/drkaiser.c
+++ b/drkaiser.c
@@ -21,6 +21,7 @@
 #include <stdlib.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 #define PCI_VENDOR_ID_DRKAISER		0x1803
 
diff --git a/flash.h b/flash.h
index 60d52e1..d669512 100644
--- a/flash.h
+++ b/flash.h
@@ -26,7 +26,6 @@
 
 #include <stdint.h>
 #include <stddef.h>
-#include "hwaccess.h"
 #ifdef _WIN32
 #include <windows.h>
 #undef min
diff --git a/gfxnvidia.c b/gfxnvidia.c
index b8750b3..ddf82e7 100644
--- a/gfxnvidia.c
+++ b/gfxnvidia.c
@@ -22,6 +22,7 @@
 #include <string.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 #define PCI_VENDOR_ID_NVIDIA	0x10de
 
diff --git a/hwaccess.c b/hwaccess.c
index 571edd7..e182167 100644
--- a/hwaccess.c
+++ b/hwaccess.c
@@ -30,6 +30,7 @@
 #include <errno.h>
 #endif
 #include "flash.h"
+#include "hwaccess.h"
 
 #if defined(__i386__) || defined(__x86_64__)
 
diff --git a/ichspi.c b/ichspi.c
index 29c507a..792d35d 100644
--- a/ichspi.c
+++ b/ichspi.c
@@ -29,6 +29,7 @@
 #include <stdlib.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 #include "spi.h"
 #include "ich_descriptors.h"
 
diff --git a/internal.c b/internal.c
index 5b24577..c99ca1f 100644
--- a/internal.c
+++ b/internal.c
@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 #if NEED_PCI == 1
 struct pci_dev *pci_dev_find_filter(struct pci_filter filter)
diff --git a/it85spi.c b/it85spi.c
index a5d5c2e..0b074eb 100644
--- a/it85spi.c
+++ b/it85spi.c
@@ -32,6 +32,7 @@
 #include "flash.h"
 #include "spi.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 #define MAX_TIMEOUT 100000
 #define MAX_TRY 5
diff --git a/it87spi.c b/it87spi.c
index c02f77b..c7bbb13 100644
--- a/it87spi.c
+++ b/it87spi.c
@@ -30,6 +30,7 @@
 #include "flash.h"
 #include "chipdrivers.h"
 #include "programmer.h"
+#include "hwaccess.h"
 #include "spi.h"
 
 #define ITE_SUPERIO_PORT1	0x2e
diff --git a/mcp6x_spi.c b/mcp6x_spi.c
index 23f39a5..ac40557 100644
--- a/mcp6x_spi.c
+++ b/mcp6x_spi.c
@@ -29,6 +29,7 @@
 #include <ctype.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 /* Bit positions for each pin. */
 
diff --git a/nic3com.c b/nic3com.c
index 473c7b1..a137c64 100644
--- a/nic3com.c
+++ b/nic3com.c
@@ -23,6 +23,7 @@
 #include <stdlib.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 #define BIOS_ROM_ADDR		0x04
 #define BIOS_ROM_DATA		0x08
diff --git a/nicintel.c b/nicintel.c
index 49bdec2..813049c 100644
--- a/nicintel.c
+++ b/nicintel.c
@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 uint8_t *nicintel_bar;
 uint8_t *nicintel_control_bar;
diff --git a/nicintel_spi.c b/nicintel_spi.c
index 4ff8554..7a02cda 100644
--- a/nicintel_spi.c
+++ b/nicintel_spi.c
@@ -28,6 +28,7 @@
 #include <stdlib.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 #define PCI_VENDOR_ID_INTEL 0x8086
 
diff --git a/nicnatsemi.c b/nicnatsemi.c
index eb2a7f8..4646867 100644
--- a/nicnatsemi.c
+++ b/nicnatsemi.c
@@ -23,6 +23,7 @@
 #include <stdlib.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 #define PCI_VENDOR_ID_NATSEMI	0x100b
 
diff --git a/nicrealtek.c b/nicrealtek.c
index 32aa434..61e07d8 100644
--- a/nicrealtek.c
+++ b/nicrealtek.c
@@ -23,6 +23,7 @@
 #include <stdlib.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 #define PCI_VENDOR_ID_REALTEK	0x10ec
 #define PCI_VENDOR_ID_SMC1211	0x1113
diff --git a/ogp_spi.c b/ogp_spi.c
index 812420c..2966024 100644
--- a/ogp_spi.c
+++ b/ogp_spi.c
@@ -21,6 +21,7 @@
 #include <string.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 #define PCI_VENDOR_ID_OGP 0x1227
 
diff --git a/pcidev.c b/pcidev.c
index f490a68..c1b6d6a 100644
--- a/pcidev.c
+++ b/pcidev.c
@@ -23,6 +23,7 @@
 #include <string.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 uint32_t io_base_addr;
 struct pci_access *pacc;
diff --git a/physmap.c b/physmap.c
index e54dee4..eca6760 100644
--- a/physmap.c
+++ b/physmap.c
@@ -25,6 +25,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include "flash.h"
+#include "hwaccess.h"
 
 /* Do we need any file access or ioctl for physmap or MSR? */
 #if !defined(__DJGPP__) && !defined(__LIBPAYLOAD__)
diff --git a/programmer.h b/programmer.h
index 51d04fd..6f07dd0 100644
--- a/programmer.h
+++ b/programmer.h
@@ -144,6 +144,7 @@
 };
 
 #if CONFIG_INTERNAL == 1
+struct pci_dev;
 struct penable {
 	uint16_t vendor_id;
 	uint16_t device_id;
@@ -294,6 +295,7 @@
 #define SUPERIO_VENDOR_WINBOND	0x2
 #endif
 #if NEED_PCI == 1
+struct pci_filter;
 struct pci_dev *pci_dev_find_filter(struct pci_filter filter);
 struct pci_dev *pci_dev_find_vendorclass(uint16_t vendor, uint16_t devclass);
 struct pci_dev *pci_dev_find(uint16_t vendor, uint16_t device);
diff --git a/rayer_spi.c b/rayer_spi.c
index 0011bc0..584a6a0 100644
--- a/rayer_spi.c
+++ b/rayer_spi.c
@@ -34,6 +34,7 @@
 #include <string.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 enum rayer_type {
 	TYPE_RAYER,
diff --git a/satamv.c b/satamv.c
index e39385b..70deb06 100644
--- a/satamv.c
+++ b/satamv.c
@@ -24,6 +24,7 @@
 #include <stdlib.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 uint8_t *mv_bar;
 uint16_t mv_iobar;
diff --git a/satasii.c b/satasii.c
index 387c605..aae76f3 100644
--- a/satasii.c
+++ b/satasii.c
@@ -23,6 +23,7 @@
 #include <stdlib.h>
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 
 #define PCI_VENDOR_ID_SII	0x1095
 
diff --git a/sb600spi.c b/sb600spi.c
index e36ac96..fe60aa9 100644
--- a/sb600spi.c
+++ b/sb600spi.c
@@ -25,6 +25,7 @@
 
 #include "flash.h"
 #include "programmer.h"
+#include "hwaccess.h"
 #include "spi.h"
 
 /* This struct is unused, but helps visualize the SB600 SPI BAR layout.
diff --git a/wbsio_spi.c b/wbsio_spi.c
index 38ac2d8..7d4bb2a 100644
--- a/wbsio_spi.c
+++ b/wbsio_spi.c
@@ -23,6 +23,7 @@
 #include "flash.h"
 #include "chipdrivers.h"
 #include "programmer.h"
+#include "hwaccess.h"
 #include "spi.h"
 
 #define WBSIO_PORT1	0x2e