1 /* arch/arm/mach-h720x/include/mach/debug-macro.S
3 * Debugging macro include header
5 * Copyright (C) 1994-1999 Russell King
6 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
14 #include <mach/hardware.h>
19 .macro addruart, rx, tmp
20 mrc p15, 0, \rx, c1, c0
21 tst \rx, #1 @ MMU enabled?
22 moveq \rx, #io_phys @ physical base address
23 movne \rx, #io_virt @ virtual address
24 add \rx, \rx, #0x00020000 @ UART1
28 str \rd, [\rx, #0x0] @ UARTDR
33 1001: ldr \rd, [\rx, #0x18] @ UARTFLG
34 tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full
39 1001: ldr \rd, [\rx, #0x18] @ UARTFLG
40 tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy