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1da177e4 | 1 | /* |
f30c2269 | 2 | * include/asm-powerpc/ipic.h |
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3 | * |
4 | * IPIC external definitions and structure. | |
5 | * | |
4c8d3d99 | 6 | * Maintainer: Kumar Gala <galak@kernel.crashing.org> |
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7 | * |
8 | * Copyright 2005 Freescale Semiconductor, Inc | |
9 | * | |
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. | |
14 | */ | |
15 | #ifdef __KERNEL__ | |
16 | #ifndef __ASM_IPIC_H__ | |
17 | #define __ASM_IPIC_H__ | |
18 | ||
19 | #include <linux/irq.h> | |
20 | ||
21 | /* Flags when we init the IPIC */ | |
22 | #define IPIC_SPREADMODE_GRP_A 0x00000001 | |
23 | #define IPIC_SPREADMODE_GRP_D 0x00000002 | |
24 | #define IPIC_SPREADMODE_MIX_A 0x00000004 | |
25 | #define IPIC_SPREADMODE_MIX_B 0x00000008 | |
26 | #define IPIC_DISABLE_MCP_OUT 0x00000010 | |
27 | #define IPIC_IRQ0_MCP 0x00000020 | |
28 | ||
29 | /* IPIC registers offsets */ | |
30 | #define IPIC_SICFR 0x00 /* System Global Interrupt Configuration Register */ | |
31 | #define IPIC_SIVCR 0x04 /* System Global Interrupt Vector Register */ | |
32 | #define IPIC_SIPNR_H 0x08 /* System Internal Interrupt Pending Register (HIGH) */ | |
33 | #define IPIC_SIPNR_L 0x0C /* System Internal Interrupt Pending Register (LOW) */ | |
34 | #define IPIC_SIPRR_A 0x10 /* System Internal Interrupt group A Priority Register */ | |
35 | #define IPIC_SIPRR_B 0x14 /* System Internal Interrupt group B Priority Register */ | |
36 | #define IPIC_SIPRR_C 0x18 /* System Internal Interrupt group C Priority Register */ | |
37 | #define IPIC_SIPRR_D 0x1C /* System Internal Interrupt group D Priority Register */ | |
38 | #define IPIC_SIMSR_H 0x20 /* System Internal Interrupt Mask Register (HIGH) */ | |
39 | #define IPIC_SIMSR_L 0x24 /* System Internal Interrupt Mask Register (LOW) */ | |
40 | #define IPIC_SICNR 0x28 /* System Internal Interrupt Control Register */ | |
41 | #define IPIC_SEPNR 0x2C /* System External Interrupt Pending Register */ | |
42 | #define IPIC_SMPRR_A 0x30 /* System Mixed Interrupt group A Priority Register */ | |
43 | #define IPIC_SMPRR_B 0x34 /* System Mixed Interrupt group B Priority Register */ | |
44 | #define IPIC_SEMSR 0x38 /* System External Interrupt Mask Register */ | |
45 | #define IPIC_SECNR 0x3C /* System External Interrupt Control Register */ | |
46 | #define IPIC_SERSR 0x40 /* System Error Status Register */ | |
47 | #define IPIC_SERMR 0x44 /* System Error Mask Register */ | |
48 | #define IPIC_SERCR 0x48 /* System Error Control Register */ | |
49 | #define IPIC_SIFCR_H 0x50 /* System Internal Interrupt Force Register (HIGH) */ | |
50 | #define IPIC_SIFCR_L 0x54 /* System Internal Interrupt Force Register (LOW) */ | |
51 | #define IPIC_SEFCR 0x58 /* System External Interrupt Force Register */ | |
52 | #define IPIC_SERFR 0x5C /* System Error Force Register */ | |
53 | #define IPIC_SCVCR 0x60 /* System Critical Interrupt Vector Register */ | |
54 | #define IPIC_SMVCR 0x64 /* System Management Interrupt Vector Register */ | |
55 | ||
56 | enum ipic_prio_grp { | |
57 | IPIC_INT_GRP_A = IPIC_SIPRR_A, | |
58 | IPIC_INT_GRP_D = IPIC_SIPRR_D, | |
59 | IPIC_MIX_GRP_A = IPIC_SMPRR_A, | |
60 | IPIC_MIX_GRP_B = IPIC_SMPRR_B, | |
61 | }; | |
62 | ||
63 | enum ipic_mcp_irq { | |
64 | IPIC_MCP_IRQ0 = 0, | |
65 | IPIC_MCP_WDT = 1, | |
66 | IPIC_MCP_SBA = 2, | |
67 | IPIC_MCP_PCI1 = 5, | |
68 | IPIC_MCP_PCI2 = 6, | |
69 | IPIC_MCP_MU = 7, | |
70 | }; | |
71 | ||
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72 | extern int ipic_set_priority(unsigned int irq, unsigned int priority); |
73 | extern void ipic_set_highest_priority(unsigned int irq); | |
74 | extern void ipic_set_default_priority(void); | |
75 | extern void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq); | |
76 | extern void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq); | |
77 | extern u32 ipic_get_mcp_status(void); | |
78 | extern void ipic_clear_mcp_status(u32 mask); | |
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79 | |
80 | #ifdef CONFIG_PPC_MERGE | |
81 | extern void ipic_init(struct device_node *node, unsigned int flags); | |
82 | extern unsigned int ipic_get_irq(struct pt_regs *regs); | |
83 | #else | |
84 | extern void ipic_init(phys_addr_t phys_addr, unsigned int flags, | |
85 | unsigned int irq_offset, | |
86 | unsigned char *senses, unsigned int senses_count); | |
1da177e4 | 87 | extern int ipic_get_irq(struct pt_regs *regs); |
bf4152dd | 88 | #endif |
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89 | |
90 | #endif /* __ASM_IPIC_H__ */ | |
91 | #endif /* __KERNEL__ */ |