/* linux/include/asm-arm/arch-omap/debug-macro.S * * 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 * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * */ .macro addruart,rx mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #0xff000000 @ physical base address movne \rx, #0xfe000000 @ virtual base orr \rx, \rx, #0x00fb0000 #ifdef CONFIG_OMAP_LL_DEBUG_UART3 orr \rx, \rx, #0x00009000 @ UART 3 #endif #if defined(CONFIG_OMAP_LL_DEBUG_UART2) || defined(CONFIG_OMAP_LL_DEBUG_UART3) orr \rx, \rx, #0x00000800 @ UART 2 & 3 #endif .endm .macro senduart,rd,rx strb \rd, [\rx] .endm .macro busyuart,rd,rx 1001: ldrb \rd, [\rx, #(0x5 << 2)] @ OMAP-1510 and friends and \rd, \rd, #0x60 teq \rd, #0x60 beq 1002f ldrb \rd, [\rx, #(0x5 << 0)] @ OMAP-730 only and \rd, \rd, #0x60 teq \rd, #0x60 bne 1001b 1002: .endm .macro waituart,rd,rx .endm