mirror of
				https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
				synced 2025-10-31 16:38:31 +00:00 
			
		
		
		
	 9c4cb82515
			
		
	
	
		9c4cb82515
		
	
	
	
	
		
			
			Now that arch/ppc is gone and CONFIG_PPC_MERGE is always set, remove the dead code associated with !CONFIG_PPC_MERGE from arch/powerpc and include/asm-powerpc. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
		
			
				
	
	
		
			85 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			85 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * 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_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 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);
 | |
| 
 | |
| 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__ */
 |