[FREELDR] Add Serial ports detection in DetectIsaBios() (#1829)

[reactos.git] / boot / freeldr / freeldr / include / arch / i386 / machxbox.h

diff --git a/boot/freeldr/freeldr/include/arch/i386/machxbox.h b/boot/freeldr/freeldr/include/arch/i386/machxbox.h
index d1c42a4..f481bbd 100644 (file)
--- a/boot/freeldr/freeldr/include/arch/i386/machxbox.h
+++ b/boot/freeldr/freeldr/include/arch/i386/machxbox.h
@@ -22,6 +22,21 @@
 #include "mm.h"
 #endif
 
+#define MAX_XBOX_COM_PORTS    2
+
+#define LPC_IO_BASE             0x2E
+#define LPC_ENTER_CONFIG_KEY    0x55
+#define LPC_EXIT_CONFIG_KEY     0xAA
+
+#define LPC_DEVICE_SERIAL_PORT_1    0x4
+#define LPC_DEVICE_SERIAL_PORT_2    0x5
+
+#define LPC_CONFIG_DEVICE_NUMBER                0x07
+#define LPC_CONFIG_DEVICE_ACTIVATE              0x30
+#define LPC_CONFIG_DEVICE_BASE_ADDRESS_HIGH     0x60
+#define LPC_CONFIG_DEVICE_BASE_ADDRESS_LOW      0x61
+#define LPC_CONFIG_DEVICE_INTERRUPT             0x70
+
 extern UCHAR XboxFont8x16[256 * 16];
 
 VOID XboxMachInit(const char *CmdLine);