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tsi108_irq.h
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1 /*
2  * (C) Copyright 2005 Tundra Semiconductor Corp.
3  * Alex Bounine, <alexandreb at tundra.com).
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 /*
25  * definitions for interrupt controller initialization and external interrupt
26  * demultiplexing on TSI108EMU/SVB boards.
27  */
28 
29 #ifndef _ASM_POWERPC_TSI108_IRQ_H
30 #define _ASM_POWERPC_TSI108_IRQ_H
31 
32 /*
33  * Tsi108 interrupts
34  */
35 #ifndef TSI108_IRQ_REG_BASE
36 #define TSI108_IRQ_REG_BASE 0
37 #endif
38 
39 #define TSI108_IRQ(x) (TSI108_IRQ_REG_BASE + (x))
40 
41 #define TSI108_MAX_VECTORS (36 + 4) /* 36 sources + PCI INT demux */
42 #define MAX_TASK_PRIO 0xF
43 
44 #define TSI108_IRQ_SPURIOUS (TSI108_MAX_VECTORS)
45 
46 #define DEFAULT_PRIO_LVL 10 /* initial priority level */
47 
48 /* Interrupt vectors assignment to external and internal
49  * sources of requests. */
50 
51 /* EXTERNAL INTERRUPT SOURCES */
52 
53 #define IRQ_TSI108_EXT_INT0 TSI108_IRQ(0) /* External Source at INT[0] */
54 #define IRQ_TSI108_EXT_INT1 TSI108_IRQ(1) /* External Source at INT[1] */
55 #define IRQ_TSI108_EXT_INT2 TSI108_IRQ(2) /* External Source at INT[2] */
56 #define IRQ_TSI108_EXT_INT3 TSI108_IRQ(3) /* External Source at INT[3] */
57 
58 /* INTERNAL INTERRUPT SOURCES */
59 
60 #define IRQ_TSI108_RESERVED0 TSI108_IRQ(4) /* Reserved IRQ */
61 #define IRQ_TSI108_RESERVED1 TSI108_IRQ(5) /* Reserved IRQ */
62 #define IRQ_TSI108_RESERVED2 TSI108_IRQ(6) /* Reserved IRQ */
63 #define IRQ_TSI108_RESERVED3 TSI108_IRQ(7) /* Reserved IRQ */
64 #define IRQ_TSI108_DMA0 TSI108_IRQ(8) /* DMA0 */
65 #define IRQ_TSI108_DMA1 TSI108_IRQ(9) /* DMA1 */
66 #define IRQ_TSI108_DMA2 TSI108_IRQ(10) /* DMA2 */
67 #define IRQ_TSI108_DMA3 TSI108_IRQ(11) /* DMA3 */
68 #define IRQ_TSI108_UART0 TSI108_IRQ(12) /* UART0 */
69 #define IRQ_TSI108_UART1 TSI108_IRQ(13) /* UART1 */
70 #define IRQ_TSI108_I2C TSI108_IRQ(14) /* I2C */
71 #define IRQ_TSI108_GPIO TSI108_IRQ(15) /* GPIO */
72 #define IRQ_TSI108_GIGE0 TSI108_IRQ(16) /* GIGE0 */
73 #define IRQ_TSI108_GIGE1 TSI108_IRQ(17) /* GIGE1 */
74 #define IRQ_TSI108_RESERVED4 TSI108_IRQ(18) /* Reserved IRQ */
75 #define IRQ_TSI108_HLP TSI108_IRQ(19) /* HLP */
76 #define IRQ_TSI108_SDRAM TSI108_IRQ(20) /* SDC */
77 #define IRQ_TSI108_PROC_IF TSI108_IRQ(21) /* Processor IF */
78 #define IRQ_TSI108_RESERVED5 TSI108_IRQ(22) /* Reserved IRQ */
79 #define IRQ_TSI108_PCI TSI108_IRQ(23) /* PCI/X block */
80 
81 #define IRQ_TSI108_MBOX0 TSI108_IRQ(24) /* Mailbox 0 register */
82 #define IRQ_TSI108_MBOX1 TSI108_IRQ(25) /* Mailbox 1 register */
83 #define IRQ_TSI108_MBOX2 TSI108_IRQ(26) /* Mailbox 2 register */
84 #define IRQ_TSI108_MBOX3 TSI108_IRQ(27) /* Mailbox 3 register */
85 
86 #define IRQ_TSI108_DBELL0 TSI108_IRQ(28) /* Doorbell 0 */
87 #define IRQ_TSI108_DBELL1 TSI108_IRQ(29) /* Doorbell 1 */
88 #define IRQ_TSI108_DBELL2 TSI108_IRQ(30) /* Doorbell 2 */
89 #define IRQ_TSI108_DBELL3 TSI108_IRQ(31) /* Doorbell 3 */
90 
91 #define IRQ_TSI108_TIMER0 TSI108_IRQ(32) /* Global Timer 0 */
92 #define IRQ_TSI108_TIMER1 TSI108_IRQ(33) /* Global Timer 1 */
93 #define IRQ_TSI108_TIMER2 TSI108_IRQ(34) /* Global Timer 2 */
94 #define IRQ_TSI108_TIMER3 TSI108_IRQ(35) /* Global Timer 3 */
95 
96 /*
97  * PCI bus INTA# - INTD# lines demultiplexor
98  */
99 #define IRQ_PCI_INTAD_BASE TSI108_IRQ(36)
100 #define IRQ_PCI_INTA (IRQ_PCI_INTAD_BASE + 0)
101 #define IRQ_PCI_INTB (IRQ_PCI_INTAD_BASE + 1)
102 #define IRQ_PCI_INTC (IRQ_PCI_INTAD_BASE + 2)
103 #define IRQ_PCI_INTD (IRQ_PCI_INTAD_BASE + 3)
104 #define NUM_PCI_IRQS (4)
105 
106 /* number of entries in vector dispatch table */
107 #define IRQ_TSI108_TAB_SIZE (TSI108_MAX_VECTORS + 1)
108 
109 /* Mapping of MPIC outputs to processors' interrupt pins */
110 
111 #define IDIR_INT_OUT0 0x1
112 #define IDIR_INT_OUT1 0x2
113 #define IDIR_INT_OUT2 0x4
114 #define IDIR_INT_OUT3 0x8
115 
116 /*---------------------------------------------------------------
117  * IRQ line configuration parameters */
118 
119 /* Interrupt delivery modes */
120 typedef enum {
124 #endif /* _ASM_POWERPC_TSI108_IRQ_H */