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/* * arch/arm/mach-ks8695/include/mach/debug-macro.S * * Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk> * Copyright (C) 2006 Simtec Electronics * * KS8695 - Debug macros * * 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. */ #include <mach/hardware.h> #include <mach/regs-uart.h> .macro addruart, rp, rv, tmp ldr \rp, =KS8695_UART_PA @ physical base address ldr \rv, =KS8695_UART_VA @ virtual base address .endm .macro senduart, rd, rx str \rd, [\rx, #KS8695_URTH] @ Write to Transmit Holding Register .endm .macro busyuart, rd, rx 1001: ldr \rd, [\rx, #KS8695_URLS] @ Read Line Status Register tst \rd, #URLS_URTE @ Holding & Shift registers empty? beq 1001b .endm .macro waituart, rd, rx 1001: ldr \rd, [\rx, #KS8695_URLS] @ Read Line Status Register tst \rd, #URLS_URTHRE @ Holding Register empty? beq 1001b .endm