1/* 2 * arch/arm/mach-prima2/include/mach/debug-macro.S 3 * 4 * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. 5 * 6 * Licensed under GPLv2 or later. 7 */ 8 9#define SIRF_LLUART_TXFIFO_STATUS 0x0114 10#define SIRF_LLUART_TXFIFO_DATA 0x0118 11 12#define SIRF_LLUART_TXFIFO_FULL (1 << 5) 13 14#ifdef CONFIG_DEBUG_SIRFATLAS7_UART0 15#define SIRF_LLUART_TXFIFO_EMPTY (1 << 8) 16#else 17#define SIRF_LLUART_TXFIFO_EMPTY (1 << 6) 18#endif 19 20 21 .macro addruart, rp, rv, tmp 22 ldr \rp, =CONFIG_DEBUG_UART_PHYS @ physical 23 ldr \rv, =CONFIG_DEBUG_UART_VIRT @ virtual 24 .endm 25 26 .macro senduart,rd,rx 27 str \rd, [\rx, #SIRF_LLUART_TXFIFO_DATA] 28 .endm 29 30 .macro busyuart,rd,rx 31 .endm 32 33 .macro waituart,rd,rx 341001: ldr \rd, [\rx, #SIRF_LLUART_TXFIFO_STATUS] 35 tst \rd, #SIRF_LLUART_TXFIFO_EMPTY 36 beq 1001b 37 .endm 38 39