1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* arch/arm/include/debug/pl01x.S 3 * 4 * Debugging macro include header 5 * 6 * Copyright (C) 1994-1999 Russell King 7 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks 8*/ 9#include <linux/amba/serial.h> 10 11#ifdef CONFIG_DEBUG_UART_PHYS 12 .macro addruart, rp, rv, tmp 13 ldr \rp, =CONFIG_DEBUG_UART_PHYS 14 ldr \rv, =CONFIG_DEBUG_UART_VIRT 15 .endm 16#endif 17 18 .macro senduart,rd,rx 19 strb \rd, [\rx, #UART01x_DR] 20 .endm 21 22 .macro waituartcts,rd,rx 23 .endm 24 25 .macro waituarttxrdy,rd,rx 261001: ldr \rd, [\rx, #UART01x_FR] 27 ARM_BE8( rev \rd, \rd ) 28 tst \rd, #UART01x_FR_TXFF 29 bne 1001b 30 .endm 31 32 .macro busyuart,rd,rx 331001: ldr \rd, [\rx, #UART01x_FR] 34 ARM_BE8( rev \rd, \rd ) 35 tst \rd, #UART01x_FR_BUSY 36 bne 1001b 37 .endm 38