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- /*
- * 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
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