59 lines
		
	
	
	
		
			1.6 KiB
			
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
		
		
			
		
	
	
			59 lines
		
	
	
	
		
			1.6 KiB
			
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
|   | /* | ||
|  |  * arch/arm/mach-omap1/include/mach/entry-macro.S | ||
|  |  * | ||
|  |  * Low-level IRQ helper macros for OMAP-based platforms | ||
|  |  * | ||
|  |  * Copyright (C) 2009 Texas Instruments | ||
|  |  * | ||
|  |  * This file is licensed under  the terms of the GNU General Public | ||
|  |  * License version 2. This program is licensed "as is" without any | ||
|  |  * warranty of any kind, whether express or implied. | ||
|  |  */ | ||
|  | #include <mach/hardware.h> | ||
|  | #include <mach/io.h> | ||
|  | #include <mach/irqs.h> | ||
|  | #include <asm/hardware/gic.h> | ||
|  | 
 | ||
|  | #if (defined(CONFIG_ARCH_OMAP730)||defined(CONFIG_ARCH_OMAP850)) && \ | ||
|  | 	(defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)) | ||
|  | #error "FIXME: OMAP7XX doesn't support multiple-OMAP" | ||
|  | #elif defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) | ||
|  | #define INT_IH2_IRQ		INT_7XX_IH2_IRQ | ||
|  | #elif defined(CONFIG_ARCH_OMAP15XX) | ||
|  | #define INT_IH2_IRQ		INT_1510_IH2_IRQ | ||
|  | #elif defined(CONFIG_ARCH_OMAP16XX) | ||
|  | #define INT_IH2_IRQ		INT_1610_IH2_IRQ | ||
|  | #else | ||
|  | #warning "IH2 IRQ defaulted" | ||
|  | #define INT_IH2_IRQ		INT_1510_IH2_IRQ | ||
|  | #endif | ||
|  | 
 | ||
|  |  		.macro	disable_fiq
 | ||
|  | 		.endm | ||
|  | 
 | ||
|  | 		.macro  get_irqnr_preamble, base, tmp | ||
|  | 		.endm | ||
|  | 
 | ||
|  | 		.macro  arch_ret_to_user, tmp1, tmp2 | ||
|  | 		.endm | ||
|  | 
 | ||
|  | 		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp | ||
|  | 		ldr	\base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE) | ||
|  | 		ldr	\irqnr, [\base, #IRQ_ITR_REG_OFFSET] | ||
|  | 		ldr	\tmp, [\base, #IRQ_MIR_REG_OFFSET] | ||
|  | 		mov	\irqstat, #0xffffffff | ||
|  | 		bic	\tmp, \irqstat, \tmp | ||
|  | 		tst	\irqnr, \tmp | ||
|  | 		beq	1510f | ||
|  | 
 | ||
|  | 		ldr	\irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET] | ||
|  | 		cmp	\irqnr, #0 | ||
|  | 		ldreq	\irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] | ||
|  | 		cmpeq	\irqnr, #INT_IH2_IRQ | ||
|  | 		ldreq	\base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE) | ||
|  | 		ldreq	\irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] | ||
|  | 		addeqs	\irqnr, \irqnr, #32 | ||
|  | 1510: | ||
|  | 		.endm | ||
|  | 
 |