--- /dev/null
+/** @file\r
+ Include file for PC-AT compatability.\r
+\r
+Copyright (c) 2006, Intel Corporation. All rights reserved. \r
+This software and associated documentation (if any) is furnished\r
+under a license and may only be used or copied in accordance\r
+with the terms of the license. Except as permitted by such\r
+license, no part of this software or documentation may be\r
+reproduced, stored in a retrieval system, or transmitted in any\r
+form or by any means without the express written consent of\r
+Intel Corporation.\r
+\r
+**/\r
+\r
+#ifndef _PC_AT_H_\r
+#define _PC_AT_H_\r
+\r
+//\r
+// 8254 Timer\r
+//\r
+#define TIMER0_COUNT_PORT 0x40\r
+#define TIMER1_COUNT_PORT 0x41\r
+#define TIMER2_COUNT_PORT 0x42\r
+#define TIMER_CONTROL_PORT 0x43\r
+\r
+//\r
+// 8259 PIC interrupt controller\r
+//\r
+\r
+#define PIC_CONTROL_REGISTER_MASTER 0x20\r
+#define PIC_MASK_REGISTER_MASTER 0x21\r
+#define PIC_CONTROL_REGISTER_SLAVE 0xA0\r
+#define PIC_MASK_REGISTER_SLAVE 0xA1\r
+#define PIC_EDGE_LEVEL_TRIGGERED_REGISTER_MASTER 0x4D0\r
+#define PIC_EDGE_LEVEL_TRIGGERED_REGISTER_SLAVE 0x4D1\r
+\r
+#define PIC_EOI 0x20\r
+\r
+//\r
+// 8237 DMA registers\r
+//\r
+#define R_8237_DMA_BASE_CA_CH0 0x00\r
+#define R_8237_DMA_BASE_CA_CH1 0x02\r
+#define R_8237_DMA_BASE_CA_CH2 0x04\r
+#define R_8237_DMA_BASE_CA_CH3 0xd6\r
+#define R_8237_DMA_BASE_CA_CH5 0xc4\r
+#define R_8237_DMA_BASE_CA_CH6 0xc8\r
+#define R_8237_DMA_BASE_CA_CH7 0xcc\r
+\r
+#define R_8237_DMA_BASE_CC_CH0 0x01\r
+#define R_8237_DMA_BASE_CC_CH1 0x03\r
+#define R_8237_DMA_BASE_CC_CH2 0x05\r
+#define R_8237_DMA_BASE_CC_CH3 0xd7\r
+#define R_8237_DMA_BASE_CC_CH5 0xc6\r
+#define R_8237_DMA_BASE_CC_CH6 0xca\r
+#define R_8237_DMA_BASE_CC_CH7 0xce\r
+\r
+#define R_8237_DMA_MEM_LP_CH0 0x87\r
+#define R_8237_DMA_MEM_LP_CH1 0x83\r
+#define R_8237_DMA_MEM_LP_CH2 0x81\r
+#define R_8237_DMA_MEM_LP_CH3 0x82\r
+#define R_8237_DMA_MEM_LP_CH5 0x8B\r
+#define R_8237_DMA_MEM_LP_CH6 0x89\r
+#define R_8237_DMA_MEM_LP_CH7 0x8A\r
+\r
+\r
+#define R_8237_DMA_COMMAND_CH0_3 0x08\r
+#define R_8237_DMA_COMMAND_CH4_7 0xd0\r
+#define B_8237_DMA_COMMAND_GAP 0x10\r
+#define B_8237_DMA_COMMAND_CGE 0x04\r
+\r
+\r
+#define R_8237_DMA_STA_CH0_3 0xd8\r
+#define R_8237_DMA_STA_CH4_7 0xd0\r
+\r
+#define R_8237_DMA_WRSMSK_CH0_3 0x0a\r
+#define R_8237_DMA_WRSMSK_CH4_7 0xd4\r
+#define B_8237_DMA_WRSMSK_CMS 0x04\r
+\r
+\r
+#define R_8237_DMA_CHMODE_CH0_3 0x0b\r
+#define R_8237_DMA_CHMODE_CH4_7 0xd6\r
+#define V_8237_DMA_CHMODE_DEMAND 0x00\r
+#define V_8237_DMA_CHMODE_SINGLE 0x40\r
+#define V_8237_DMA_CHMODE_CASCADE 0xc0\r
+#define B_8237_DMA_CHMODE_DECREMENT 0x20\r
+#define B_8237_DMA_CHMODE_INCREMENT 0x00\r
+#define B_8237_DMA_CHMODE_AE 0x10\r
+#define V_8237_DMA_CHMODE_VERIFY 0\r
+#define V_8237_DMA_CHMODE_IO2MEM 0x04\r
+#define V_8237_DMA_CHMODE_MEM2IO 0x08\r
+\r
+#define R_8237_DMA_CBPR_CH0_3 0x0c\r
+#define R_8237_DMA_CBPR_CH4_7 0xd8\r
+\r
+#define R_8237_DMA_MCR_CH0_3 0x0d\r
+#define R_8237_DMA_MCR_CH4_7 0xda\r
+\r
+#define R_8237_DMA_CLMSK_CH0_3 0x0e\r
+#define R_8237_DMA_CLMSK_CH4_7 0xdc\r
+\r
+#define R_8237_DMA_WRMSK_CH0_3 0x0f\r
+#define R_8237_DMA_WRMSK_CH4_7 0xde\r
+\r
+#endif\r