1/* linux/include/asm-arm/arch-imx/debug-macro.S 2 * 3 * Debugging macro include header 4 * 5 * Copyright (C) 1994-1999 Russell King 6 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 * 12*/ 13 14 .macro addruart,rx 15 mrc p15, 0, \rx, c1, c0 16 tst \rx, #1 @ MMU enabled? 17 moveq \rx, #0x00000000 @ physical 18 movne \rx, #0xe0000000 @ virtual 19 orreq \rx, \rx, #0x00200000 @ physical 20 orr \rx, \rx, #0x00006000 @ UART1 offset 21 .endm 22 23 .macro senduart,rd,rx 24 str \rd, [\rx, #0x40] @ TXDATA 25 .endm 26 27 .macro waituart,rd,rx 28 .endm 29 30 .macro busyuart,rd,rx 311002: ldr \rd, [\rx, #0x98] @ SR2 32 tst \rd, #1 << 3 @ TXDC 33 beq 1002b @ wait until transmit done 34 .endm 35