1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * arch/arm/mach-prima2/include/mach/debug-macro.S 4 * 5 * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. 6 */ 7 8#define SIRF_LLUART_TXFIFO_STATUS 0x0114 9#define SIRF_LLUART_TXFIFO_DATA 0x0118 10 11#define SIRF_LLUART_TXFIFO_FULL (1 << 5) 12 13#ifdef CONFIG_DEBUG_SIRFATLAS7_UART0 14#define SIRF_LLUART_TXFIFO_EMPTY (1 << 8) 15#else 16#define SIRF_LLUART_TXFIFO_EMPTY (1 << 6) 17#endif 18 19 20 .macro addruart, rp, rv, tmp 21 ldr \rp, =CONFIG_DEBUG_UART_PHYS @ physical 22 ldr \rv, =CONFIG_DEBUG_UART_VIRT @ virtual 23 .endm 24 25 .macro senduart,rd,rx 26 str \rd, [\rx, #SIRF_LLUART_TXFIFO_DATA] 27 .endm 28 29 .macro busyuart,rd,rx 30 .endm 31 32 .macro waituart,rd,rx 331001: ldr \rd, [\rx, #SIRF_LLUART_TXFIFO_STATUS] 34 tst \rd, #SIRF_LLUART_TXFIFO_EMPTY 35 beq 1001b 36 .endm 37 38