/* * arch/arm/plat-spear/include/plat/debug-macro.S * * Debugging macro include header for spear platform * * Copyright (C) 2009 ST Microelectronics * Viresh Kumar<viresh.kumar@st.com> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ #include <linux/amba/serial.h> #include <mach/spear.h> .macro addruart, rx mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? moveq \rx, =SPEAR_DBG_UART_BASE @ Physical base movne \rx, =VA_SPEAR_DBG_UART_BASE @ Virtual base .endm .macro senduart, rd, rx strb \rd, [\rx, #UART01x_DR] @ ASC_TX_BUFFER .endm .macro waituart, rd, rx 1001: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER tst \rd, #UART01x_FR_TXFF @ TX_FULL bne 1001b .endm .macro busyuart, rd, rx 1002: ldr \rd, [\rx, #UART01x_FR] @ FLAG REGISTER tst \rd, #UART011_FR_TXFE @ TX_EMPTY beq 1002b .endm
