xref: /OK3568_Linux_fs/kernel/arch/mips/include/asm/mach-cobalt/irq.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Cobalt IRQ definitions.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * This file is subject to the terms and conditions of the GNU General Public
5*4882a593Smuzhiyun  * License.  See the file "COPYING" in the main directory of this archive
6*4882a593Smuzhiyun  * for more details.
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * Copyright (C) 1997 Cobalt Microserver
9*4882a593Smuzhiyun  * Copyright (C) 1997, 2003 Ralf Baechle
10*4882a593Smuzhiyun  * Copyright (C) 2001-2003 Liam Davies (ldavies@agile.tv)
11*4882a593Smuzhiyun  * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
12*4882a593Smuzhiyun  */
13*4882a593Smuzhiyun #ifndef _ASM_COBALT_IRQ_H
14*4882a593Smuzhiyun #define _ASM_COBALT_IRQ_H
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun /*
17*4882a593Smuzhiyun  * i8259 interrupts used on Cobalt:
18*4882a593Smuzhiyun  *
19*4882a593Smuzhiyun  *	8  - RTC
20*4882a593Smuzhiyun  *	9  - PCI slot
21*4882a593Smuzhiyun  *	14 - IDE0
22*4882a593Smuzhiyun  *	15 - IDE1(no connector on board)
23*4882a593Smuzhiyun  */
24*4882a593Smuzhiyun #define I8259A_IRQ_BASE			0
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #define PCISLOT_IRQ			(I8259A_IRQ_BASE + 9)
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun /*
29*4882a593Smuzhiyun  * CPU interrupts used on Cobalt:
30*4882a593Smuzhiyun  *
31*4882a593Smuzhiyun  *	0 - Software interrupt 0 (unused)
32*4882a593Smuzhiyun  *	1 - Software interrupt 0 (unused)
33*4882a593Smuzhiyun  *	2 - cascade GT64111
34*4882a593Smuzhiyun  *	3 - ethernet or SCSI host controller
35*4882a593Smuzhiyun  *	4 - ethernet
36*4882a593Smuzhiyun  *	5 - 16550 UART
37*4882a593Smuzhiyun  *	6 - cascade i8259
38*4882a593Smuzhiyun  *	7 - CP0 counter
39*4882a593Smuzhiyun  */
40*4882a593Smuzhiyun #define MIPS_CPU_IRQ_BASE		16
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun #define GT641XX_CASCADE_IRQ		(MIPS_CPU_IRQ_BASE + 2)
43*4882a593Smuzhiyun #define RAQ2_SCSI_IRQ			(MIPS_CPU_IRQ_BASE + 3)
44*4882a593Smuzhiyun #define ETH0_IRQ			(MIPS_CPU_IRQ_BASE + 3)
45*4882a593Smuzhiyun #define QUBE1_ETH0_IRQ			(MIPS_CPU_IRQ_BASE + 4)
46*4882a593Smuzhiyun #define ETH1_IRQ			(MIPS_CPU_IRQ_BASE + 4)
47*4882a593Smuzhiyun #define SERIAL_IRQ			(MIPS_CPU_IRQ_BASE + 5)
48*4882a593Smuzhiyun #define SCSI_IRQ			(MIPS_CPU_IRQ_BASE + 5)
49*4882a593Smuzhiyun #define I8259_CASCADE_IRQ		(MIPS_CPU_IRQ_BASE + 6)
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #define GT641XX_IRQ_BASE		24
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun #include <asm/irq_gt641xx.h>
54*4882a593Smuzhiyun 
55*4882a593Smuzhiyun #define NR_IRQS					(GT641XX_PCI_INT3_IRQ + 1)
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun #endif /* _ASM_COBALT_IRQ_H */
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