/* arch/arm/mach-l7200/include/mach/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. * */ .equ io_virt, IO_BASE .equ io_phys, IO_START .macro addruart,rx mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, #io_phys @ physical base address movne \rx, #io_virt @ virtual address add \rx, \rx, #0x00044000 @ UART1 @ add \rx, \rx, #0x00045000 @ UART2 .endm .macro senduart,rd,rx str \rd, [\rx, #0x0] @ UARTDR .endm .macro waituart,rd,rx 1001: ldr \rd, [\rx, #0x18] @ UARTFLG tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full bne 1001b .endm .macro busyuart,rd,rx 1001: ldr \rd, [\rx, #0x18] @ UARTFLG tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy bne 1001b .endm