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 waituartcts,rd,rx 33 .endm 34 35 .macro waituarttxrdy,rd,rx 36 1001: ldr \rd, [\rx, #SIRF_LLUART_TXFIFO_STATUS] 37 tst \rd, #SIRF_LLUART_TXFIFO_EMPTY 38 beq 1001b 39 .endm 40 41