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-rw-r--r--arch/arm/mach-zynq/include/mach/debug-macro.S36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-zynq/include/mach/debug-macro.S b/arch/arm/mach-zynq/include/mach/debug-macro.S
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1/* arch/arm/mach-zynq/include/mach/debug-macro.S
2 *
3 * Debugging macro include header
4 *
5 * Copyright (C) 2011 Xilinx
6 *
7 * This software is licensed under the terms of the GNU General Public
8 * License version 2, as published by the Free Software Foundation, and
9 * may be copied, distributed, and modified under those terms.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 */
16
17#include <mach/zynq_soc.h>
18#include <mach/uart.h>
19
20 .macro addruart, rp, rv
21 ldr \rp, =LL_UART_PADDR @ physical
22 ldr \rv, =LL_UART_VADDR @ virtual
23 .endm
24
25 .macro senduart,rd,rx
26 str \rd, [\rx, #UART_FIFO_OFFSET] @ TXDATA
27 .endm
28
29 .macro waituart,rd,rx
30 .endm
31
32 .macro busyuart,rd,rx
331002: ldr \rd, [\rx, #UART_SR_OFFSET] @ get status register
34 tst \rd, #UART_SR_TXFULL @
35 bne 1002b @ wait if FIFO is full
36 .endm