1/* arch/arm/include/debug/pl01x.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#include <linux/amba/serial.h> 14 15#ifdef CONFIG_DEBUG_ZTE_ZX 16#undef UART01x_DR 17#undef UART01x_FR 18#define UART01x_DR 0x04 19#define UART01x_FR 0x14 20#endif 21 22#ifdef CONFIG_DEBUG_UART_PHYS 23 .macro addruart, rp, rv, tmp 24 ldr \rp, =CONFIG_DEBUG_UART_PHYS 25 ldr \rv, =CONFIG_DEBUG_UART_VIRT 26 .endm 27#endif 28 29 .macro senduart,rd,rx 30 strb \rd, [\rx, #UART01x_DR] 31 .endm 32 33 .macro waituart,rd,rx 341001: ldr \rd, [\rx, #UART01x_FR] 35 ARM_BE8( rev \rd, \rd ) 36 tst \rd, #UART01x_FR_TXFF 37 bne 1001b 38 .endm 39 40 .macro busyuart,rd,rx 411001: ldr \rd, [\rx, #UART01x_FR] 42 ARM_BE8( rev \rd, \rd ) 43 tst \rd, #UART01x_FR_BUSY 44 bne 1001b 45 .endm 46