/* Debugging macro include header * * Copyright (C) 1994-1999 Russell King * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks * Modified for ASM9260 by Oleksij Remepl <linux@rempel-privat.de> * * 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. * */ .macro addruart, rp, rv, tmp ldr \rp, = CONFIG_DEBUG_UART_PHYS ldr \rv, = CONFIG_DEBUG_UART_VIRT .endm .macro waituart,rd,rx .endm .macro senduart,rd,rx str \rd, [\rx, #0x50] @ TXDATA .endm .macro busyuart,rd,rx1002: ldr \rd, [\rx, #0x60] @ STAT tst \rd, #1 << 27 @ TXEMPTY beq 1002b @ wait until transmit done .endm
/* Debugging macro include header
*
* Copyright (C) 1994-1999 Russell King
* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
* Modified for ASM9260 by Oleksij Remepl <linux@rempel-privat.de>
*
* 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.
*
*/
.macro addruart, rp, rv, tmp
ldr \rp, = CONFIG_DEBUG_UART_PHYS
ldr \rv, = CONFIG_DEBUG_UART_VIRT
.endm
.macro waituart,rd,rx
.endm
.macro senduart,rd,rx
str \rd, [\rx, #0x50] @ TXDATA
.endm
.macro busyuart,rd,rx
1002: ldr \rd, [\rx, #0x60] @ STAT
tst \rd, #1 << 27 @ TXEMPTY
beq 1002b @ wait until transmit done
.endm