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Diffstat (limited to 'include/asm-powerpc/ipic.h')
-rw-r--r-- | include/asm-powerpc/ipic.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/include/asm-powerpc/ipic.h b/include/asm-powerpc/ipic.h new file mode 100644 index 000000000000..0fe396a2b666 --- /dev/null +++ b/include/asm-powerpc/ipic.h | |||
@@ -0,0 +1,85 @@ | |||
1 | /* | ||
2 | * include/asm-ppc/ipic.h | ||
3 | * | ||
4 | * IPIC external definitions and structure. | ||
5 | * | ||
6 | * Maintainer: Kumar Gala <galak@kernel.crashing.org> | ||
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 | |||
72 | extern void ipic_init(phys_addr_t phys_addr, unsigned int flags, | ||
73 | unsigned int irq_offset, | ||
74 | unsigned char *senses, unsigned int senses_count); | ||
75 | extern int ipic_set_priority(unsigned int irq, unsigned int priority); | ||
76 | extern void ipic_set_highest_priority(unsigned int irq); | ||
77 | extern void ipic_set_default_priority(void); | ||
78 | extern void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq); | ||
79 | extern void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq); | ||
80 | extern u32 ipic_get_mcp_status(void); | ||
81 | extern void ipic_clear_mcp_status(u32 mask); | ||
82 | extern int ipic_get_irq(struct pt_regs *regs); | ||
83 | |||
84 | #endif /* __ASM_IPIC_H__ */ | ||
85 | #endif /* __KERNEL__ */ | ||