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										 |  |  | /* arch/arm/plat-omap/include/mach/debug-macro.S | 
					
						
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										 |  |  |  * | 
					
						
							|  |  |  |  * Debugging macro include header | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  *  Copyright (C) 1994-1999 Russell King | 
					
						
							|  |  |  |  *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  |  * This program is free software; you can redistribute it and/or modify
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							|  |  |  |  * it under the terms of the GNU General Public License version 2 as | 
					
						
							|  |  |  |  * published by the Free Software Foundation. | 
					
						
							|  |  |  |  * | 
					
						
							|  |  |  | */ | 
					
						
							|  |  |  | 
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							|  |  |  | 		.macro	addruart,rx | 
					
						
							|  |  |  | 		mrc	p15, 0, \rx, c1, c0 | 
					
						
							|  |  |  | 		tst	\rx, #1			@ MMU enabled?
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										 |  |  | #ifdef CONFIG_ARCH_OMAP1 | 
					
						
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										 |  |  | 		moveq	\rx, #0xff000000	@ physical base address
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							|  |  |  | 		movne	\rx, #0xfe000000	@ virtual base
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							|  |  |  | 		orr	\rx, \rx, #0x00fb0000 | 
					
						
							|  |  |  | #ifdef CONFIG_OMAP_LL_DEBUG_UART3 | 
					
						
							|  |  |  | 		orr	\rx, \rx, #0x00009000	@ UART 3
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							|  |  |  | #endif | 
					
						
							|  |  |  | #if defined(CONFIG_OMAP_LL_DEBUG_UART2) || defined(CONFIG_OMAP_LL_DEBUG_UART3) | 
					
						
							|  |  |  | 		orr	\rx, \rx, #0x00000800	@ UART 2 & 3
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										 |  |  | #endif | 
					
						
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							|  |  |  | #elif  CONFIG_ARCH_OMAP2 | 
					
						
							|  |  |  | 		moveq	\rx, #0x48000000	@ physical base address
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							|  |  |  | 		movne	\rx, #0xd8000000	@ virtual base
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							|  |  |  | 		orr	\rx, \rx, #0x0006a000 | 
					
						
							|  |  |  | #ifdef CONFIG_OMAP_LL_DEBUG_UART2 | 
					
						
							|  |  |  | 		add	\rx, \rx, #0x00002000	@ UART 2
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							|  |  |  | #endif | 
					
						
							|  |  |  | #ifdef CONFIG_OMAP_LL_DEBUG_UART3 | 
					
						
							|  |  |  | 		add	\rx, \rx, #0x00004000	@ UART 3
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							|  |  |  | #endif | 
					
						
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										 |  |  | #elif defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) | 
					
						
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										 |  |  | 		moveq	\rx, #0x48000000	@ physical base address
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							|  |  |  | 		movne	\rx, #0xd8000000	@ virtual base
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							|  |  |  | 		orr	\rx, \rx, #0x0006a000 | 
					
						
							|  |  |  | #ifdef CONFIG_OMAP_LL_DEBUG_UART2 | 
					
						
							|  |  |  | 		add	\rx, \rx, #0x00002000	@ UART 2
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							|  |  |  | #endif | 
					
						
							|  |  |  | #ifdef CONFIG_OMAP_LL_DEBUG_UART3 | 
					
						
							|  |  |  | 		add	\rx, \rx, #0x00fb0000	@ UART 3
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							|  |  |  | 		add	\rx, \rx, #0x00006000 | 
					
						
							|  |  |  | #endif | 
					
						
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										 |  |  | #endif | 
					
						
							|  |  |  | 		.endm | 
					
						
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							|  |  |  | 		.macro	senduart,rd,rx | 
					
						
							|  |  |  | 		strb	\rd, [\rx] | 
					
						
							|  |  |  | 		.endm | 
					
						
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							|  |  |  | 		.macro	busyuart,rd,rx | 
					
						
							|  |  |  | 1001:		ldrb	\rd, [\rx, #(0x5 << 2)]	@ OMAP-1510 and friends
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							|  |  |  | 		and	\rd, \rd, #0x60 | 
					
						
							|  |  |  | 		teq	\rd, #0x60 | 
					
						
							|  |  |  | 		beq	1002f | 
					
						
							|  |  |  | 		ldrb	\rd, [\rx, #(0x5 << 0)]	@ OMAP-730 only
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							|  |  |  | 		and	\rd, \rd, #0x60 | 
					
						
							|  |  |  | 		teq	\rd, #0x60 | 
					
						
							|  |  |  | 		bne	1001b | 
					
						
							|  |  |  | 1002: | 
					
						
							|  |  |  | 		.endm | 
					
						
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							|  |  |  | 		.macro	waituart,rd,rx | 
					
						
							|  |  |  | 		.endm |