1/* 2 * arch/arm/plat-spear/include/plat/debug-macro.S 3 * 4 * Debugging macro include header for spear platform 5 * 6 * Copyright (C) 2009 ST Microelectronics 7 * Viresh Kumar<viresh.kumar@st.com> 8 * 9 * This file is licensed under the terms of the GNU General Public 10 * License version 2. This program is licensed "as is" without any 11 * warranty of any kind, whether express or implied. 12 */ 13 14#include <linux/amba/serial.h> 15#include <mach/spear.h> 16 17 .macro addruart, rp, rv 18 mov \rp, #SPEAR_DBG_UART_BASE @ Physical base 19 mov \rv, #VA_SPEAR_DBG_UART_BASE @ Virtual base 20 .endm 21 22 .macro senduart, rd, rx 23 strb \rd, [\rx, #UART01x_DR] @ ASC_TX_BUFFER 24 .endm 25 26 .macro waituart, rd, rx 271001: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER 28 tst \rd, #UART01x_FR_TXFF @ TX_FULL 29 bne 1001b 30 .endm 31 32 .macro busyuart, rd, rx 331002: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER 34 tst \rd, #UART011_FR_TXFE @ TX_EMPTY 35 beq 1002b 36 .endm 37