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-rw-r--r--include/asm-arm/arch-ks8695/debug-macro.S38
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diff --git a/include/asm-arm/arch-ks8695/debug-macro.S b/include/asm-arm/arch-ks8695/debug-macro.S
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1/*
2 * include/asm-arm/arch-ks8695/debug-macro.S
3 *
4 * Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk>
5 * Copyright (C) 2006 Simtec Electronics
6 *
7 * KS8695 - Debug macros
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <asm/hardware.h>
15#include <asm/arch/regs-uart.h>
16
17 .macro addruart, rx
18 mrc p15, 0, \rx, c1, c0
19 tst \rx, #1 @ MMU enabled?
20 ldreq \rx, =KS8695_UART_PA @ physical base address
21 ldrne \rx, =KS8695_UART_VA @ virtual base address
22 .endm
23
24 .macro senduart, rd, rx
25 str \rd, [\rx, #KS8695_URTH] @ Write to Transmit Holding Register
26 .endm
27
28 .macro busyuart, rd, rx
291001: ldr \rd, [\rx, #KS8695_URLS] @ Read Line Status Register
30 tst \rd, #URLS_URTE @ Holding & Shift registers empty?
31 beq 1001b
32 .endm
33
34 .macro waituart, rd, rx
351001: ldr \rd, [\rx, #KS8695_URLS] @ Read Line Status Register
36 tst \rd, #URLS_URTHRE @ Holding Register empty?
37 beq 1001b
38 .endm