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hardware.h
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1 /*
2  * platform/hardware.h
3  *
4  * This file is subject to the terms and conditions of the GNU General Public
5  * License. See the file "COPYING" in the main directory of this archive
6  * for more details.
7  *
8  * Copyright (C) 2001 Tensilica Inc.
9  */
10 
11 /*
12  * This file contains the hardware configuration of the XT2000 board.
13  */
14 
15 #ifndef _XTENSA_XT2000_HARDWARE_H
16 #define _XTENSA_XT2000_HARDWARE_H
17 
18 #include <variant/core.h>
19 
20 /*
21  * Memory configuration.
22  */
23 
24 #define PLATFORM_DEFAULT_MEM_START 0x00000000
25 #define PLATFORM_DEFAULT_MEM_SIZE 0x08000000
26 
27 /*
28  * Number of platform IRQs
29  */
30 #define PLATFORM_NR_IRQS 3
31 /*
32  * On-board components.
33  */
34 
35 #define SONIC83934_INTNUM XCHAL_EXTINT3_NUM
36 #define SONIC83934_ADDR IOADDR(0x0d030000)
37 
38 /*
39  * V3-PCI
40  */
41 
42 /* The XT2000 uses the V3 as a cascaded interrupt controller for the PCI bus */
43 
44 #define IRQ_PCI_A (XCHAL_NUM_INTERRUPTS + 0)
45 #define IRQ_PCI_B (XCHAL_NUM_INTERRUPTS + 1)
46 #define IRQ_PCI_C (XCHAL_NUM_INTERRUPTS + 2)
47 
48 /*
49  * Various other components.
50  */
51 
52 #define XT2000_LED_ADDR IOADDR(0x0d040000)
53 
54 #endif /* _XTENSA_XT2000_HARDWARE_H */