/* * include/asm-powerpc/ipic.h * * IPIC external definitions and structure. * * Maintainer: Kumar Gala <galak@kernel.crashing.org> * * Copyright 2005 Freescale Semiconductor, Inc * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #ifdef __KERNEL__ #ifndef __ASM_IPIC_H__ #define __ASM_IPIC_H__ #include <linux/irq.h> /* Flags when we init the IPIC */ #define IPIC_SPREADMODE_GRP_A 0x00000001 #define IPIC_SPREADMODE_GRP_D 0x00000002 #define IPIC_SPREADMODE_MIX_A 0x00000004 #define IPIC_SPREADMODE_MIX_B 0x00000008 #define IPIC_DISABLE_MCP_OUT 0x00000010 #define IPIC_IRQ0_MCP 0x00000020 /* IPIC registers offsets */ #define IPIC_SICFR 0x00 /* System Global Interrupt Configuration Register */ #define IPIC_SIVCR 0x04 /* System Global Interrupt Vector Register */ #define IPIC_SIPNR_H 0x08 /* System Internal Interrupt Pending Register (HIGH) */ #define IPIC_SIPNR_L 0x0C /* System Internal Interrupt Pending Register (LOW) */ #define IPIC_SIPRR_A 0x10 /* System Internal Interrupt group A Priority Register */ #define IPIC_SIPRR_B 0x14 /* System Internal Interrupt group B Priority Register */ #define IPIC_SIPRR_C 0x18 /* System Internal Interrupt group C Priority Register */ #define IPIC_SIPRR_D 0x1C /* System Internal Interrupt group D Priority Register */ #define IPIC_SIMSR_H 0x20 /* System Internal Interrupt Mask Register (HIGH) */ #define IPIC_SIMSR_L 0x24 /* System Internal Interrupt Mask Register (LOW) */ #define IPIC_SICNR 0x28 /* System Internal Interrupt Control Register */ #define IPIC_SEPNR 0x2C /* System External Interrupt Pending Register */ #define IPIC_SMPRR_A 0x30 /* System Mixed Interrupt group A Priority Register */ #define IPIC_SMPRR_B 0x34 /* System Mixed Interrupt group B Priority Register */ #define IPIC_SEMSR 0x38 /* System External Interrupt Mask Register */ #define IPIC_SECNR 0x3C /* System External Interrupt Control Register */ #define IPIC_SERSR 0x40 /* System Error Status Register */ #define IPIC_SERMR 0x44 /* System Error Mask Register */ #define IPIC_SERCR 0x48 /* System Error Control Register */ #define IPIC_SIFCR_H 0x50 /* System Internal Interrupt Force Register (HIGH) */ #define IPIC_SIFCR_L 0x54 /* System Internal Interrupt Force Register (LOW) */ #define IPIC_SEFCR 0x58 /* System External Interrupt Force Register */ #define IPIC_SERFR 0x5C /* System Error Force Register */ #define IPIC_SCVCR 0x60 /* System Critical Interrupt Vector Register */ #define IPIC_SMVCR 0x64 /* System Management Interrupt Vector Register */ enum ipic_prio_grp { IPIC_INT_GRP_A = IPIC_SIPRR_A, IPIC_INT_GRP_D = IPIC_SIPRR_D, IPIC_MIX_GRP_A = IPIC_SMPRR_A, IPIC_MIX_GRP_B = IPIC_SMPRR_B, }; enum ipic_mcp_irq { IPIC_MCP_IRQ0 = 0, IPIC_MCP_WDT = 1, IPIC_MCP_SBA = 2, IPIC_MCP_PCI1 = 5, IPIC_MCP_PCI2 = 6, IPIC_MCP_MU = 7, }; extern int ipic_set_priority(unsigned int irq, unsigned int priority); extern void ipic_set_highest_priority(unsigned int irq); extern void ipic_set_default_priority(void); extern void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq); extern void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq); extern u32 ipic_get_mcp_status(void); extern void ipic_clear_mcp_status(u32 mask); #ifdef CONFIG_PPC_MERGE extern struct ipic * ipic_init(struct device_node *node, unsigned int flags); extern unsigned int ipic_get_irq(void); #else extern void ipic_init(phys_addr_t phys_addr, unsigned int flags, unsigned int irq_offset, unsigned char *senses, unsigned int senses_count); extern int ipic_get_irq(void); #endif #endif /* __ASM_IPIC_H__ */ #endif /* __KERNEL__ */