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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* IPIC external definitions and structure.
*
* Maintainer: Kumar Gala <galak@kernel.crashing.org>
*
* Copyright 2005 Freescale Semiconductor, Inc
*/
#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_B 0x00000002
#define IPIC_SPREADMODE_GRP_C 0x00000004
#define IPIC_SPREADMODE_GRP_D 0x00000008
#define IPIC_SPREADMODE_MIX_A 0x00000010
#define IPIC_SPREADMODE_MIX_B 0x00000020
#define IPIC_DISABLE_MCP_OUT 0x00000040
#define IPIC_IRQ0_MCP 0x00000080
/* 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 void ipic_set_default_priority(void);
extern u32 ipic_get_mcp_status(void);
extern void ipic_clear_mcp_status(u32 mask);
extern struct ipic * ipic_init(struct device_node *node, unsigned int flags);
extern unsigned int ipic_get_irq(void);
#endif /* __ASM_IPIC_H__ */
#endif /* __KERNEL__ */