2 * include/asm-powerpc/ipic.h
4 * IPIC external definitions and structure.
6 * Maintainer: Kumar Gala <galak@kernel.crashing.org>
8 * Copyright 2005 Freescale Semiconductor, Inc
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
16 #ifndef __ASM_IPIC_H__
17 #define __ASM_IPIC_H__
19 #include <linux/irq.h>
21 /* Flags when we init the IPIC */
22 #define IPIC_SPREADMODE_GRP_A 0x00000001
23 #define IPIC_SPREADMODE_GRP_B 0x00000002
24 #define IPIC_SPREADMODE_GRP_C 0x00000004
25 #define IPIC_SPREADMODE_GRP_D 0x00000008
26 #define IPIC_SPREADMODE_MIX_A 0x00000010
27 #define IPIC_SPREADMODE_MIX_B 0x00000020
28 #define IPIC_DISABLE_MCP_OUT 0x00000040
29 #define IPIC_IRQ0_MCP 0x00000080
31 /* IPIC registers offsets */
32 #define IPIC_SICFR 0x00 /* System Global Interrupt Configuration Register */
33 #define IPIC_SIVCR 0x04 /* System Global Interrupt Vector Register */
34 #define IPIC_SIPNR_H 0x08 /* System Internal Interrupt Pending Register (HIGH) */
35 #define IPIC_SIPNR_L 0x0C /* System Internal Interrupt Pending Register (LOW) */
36 #define IPIC_SIPRR_A 0x10 /* System Internal Interrupt group A Priority Register */
37 #define IPIC_SIPRR_B 0x14 /* System Internal Interrupt group B Priority Register */
38 #define IPIC_SIPRR_C 0x18 /* System Internal Interrupt group C Priority Register */
39 #define IPIC_SIPRR_D 0x1C /* System Internal Interrupt group D Priority Register */
40 #define IPIC_SIMSR_H 0x20 /* System Internal Interrupt Mask Register (HIGH) */
41 #define IPIC_SIMSR_L 0x24 /* System Internal Interrupt Mask Register (LOW) */
42 #define IPIC_SICNR 0x28 /* System Internal Interrupt Control Register */
43 #define IPIC_SEPNR 0x2C /* System External Interrupt Pending Register */
44 #define IPIC_SMPRR_A 0x30 /* System Mixed Interrupt group A Priority Register */
45 #define IPIC_SMPRR_B 0x34 /* System Mixed Interrupt group B Priority Register */
46 #define IPIC_SEMSR 0x38 /* System External Interrupt Mask Register */
47 #define IPIC_SECNR 0x3C /* System External Interrupt Control Register */
48 #define IPIC_SERSR 0x40 /* System Error Status Register */
49 #define IPIC_SERMR 0x44 /* System Error Mask Register */
50 #define IPIC_SERCR 0x48 /* System Error Control Register */
51 #define IPIC_SIFCR_H 0x50 /* System Internal Interrupt Force Register (HIGH) */
52 #define IPIC_SIFCR_L 0x54 /* System Internal Interrupt Force Register (LOW) */
53 #define IPIC_SEFCR 0x58 /* System External Interrupt Force Register */
54 #define IPIC_SERFR 0x5C /* System Error Force Register */
55 #define IPIC_SCVCR 0x60 /* System Critical Interrupt Vector Register */
56 #define IPIC_SMVCR 0x64 /* System Management Interrupt Vector Register */
59 IPIC_INT_GRP_A = IPIC_SIPRR_A,
60 IPIC_INT_GRP_D = IPIC_SIPRR_D,
61 IPIC_MIX_GRP_A = IPIC_SMPRR_A,
62 IPIC_MIX_GRP_B = IPIC_SMPRR_B,
74 extern int ipic_set_priority(unsigned int irq, unsigned int priority);
75 extern void ipic_set_highest_priority(unsigned int irq);
76 extern void ipic_set_default_priority(void);
77 extern void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq);
78 extern void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq);
79 extern u32 ipic_get_mcp_status(void);
80 extern void ipic_clear_mcp_status(u32 mask);
82 #ifdef CONFIG_PPC_MERGE
83 extern struct ipic * ipic_init(struct device_node *node, unsigned int flags);
84 extern unsigned int ipic_get_irq(void);
86 extern void ipic_init(phys_addr_t phys_addr, unsigned int flags,
87 unsigned int irq_offset,
88 unsigned char *senses, unsigned int senses_count);
89 extern int ipic_get_irq(void);
92 #endif /* __ASM_IPIC_H__ */
93 #endif /* __KERNEL__ */