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  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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arch/arm/mach-ks8695/include/mach/debug-macro.S
 
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/*
 
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 * arch/arm/mach-ks8695/include/mach/debug-macro.S
 
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 *
 
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 * Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk>
 
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 * Copyright (C) 2006 Simtec Electronics
 
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 *
 
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 * KS8695 - Debug macros
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License version 2 as
 
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 * published by the Free Software Foundation.
 
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 */
 
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#include <mach/hardware.h>
 
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#include <mach/regs-uart.h>
 
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        .macro  addruart, rp, rv, tmp
 
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                ldr     \rp, =KS8695_UART_PA            @ physical base address
 
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                ldr     \rv, =KS8695_UART_VA            @ virtual base address
 
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        .endm
 
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        .macro  senduart, rd, rx
 
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                str     \rd, [\rx, #KS8695_URTH]        @ Write to Transmit Holding Register
 
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        .endm
 
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        .macro  busyuart, rd, rx
 
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1001:           ldr     \rd, [\rx, #KS8695_URLS]        @ Read Line Status Register
 
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                tst     \rd, #URLS_URTE                 @ Holding & Shift registers empty?
 
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                beq     1001b
 
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        .endm
 
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        .macro  waituart, rd, rx
 
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1001:           ldr     \rd, [\rx, #KS8695_URLS]        @ Read Line Status Register
 
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                tst     \rd, #URLS_URTHRE               @ Holding Register empty?
 
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                beq     1001b
 
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        .endm