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arm: return both physical and virtual addresses from addruart
[net-next-2.6.git] / arch / arm / plat-spear / include / plat / debug-macro.S
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bf976b51 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
0ea12930
JK
17 .macro addruart, rp, rv
18 mov \rp, #SPEAR_DBG_UART_BASE @ Physical base
19 mov \rv, #VA_SPEAR_DBG_UART_BASE @ Virtual base
bf976b51 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