/* arch/arm/mach-h720x/include/mach/debug-macro.S
*
* Debugging macro include header
*
* Copyright (C) 1994-1999 Russell King
* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
.equ io_virt, IO_BASE
.equ io_phys, IO_START
.macro addruart,rx
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
moveq \rx, #io_phys @ physical base address
movne \rx, #io_virt @ virtual address
add \rx, \rx, #0x00020000 @ UART1
.endm
.macro senduart,rd,rx
str \rd, [\rx, #0x0] @ UARTDR
.endm
.macro waituart,rd,rx
1001: ldr \rd, [\rx, #0x18] @ UARTFLG
tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full
bne 1001b
.endm
.macro busyuart,rd,rx
1001: ldr \rd, [\rx, #0x18] @ UARTFLG
tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy
bne 1001b
.endm
