linux/arch/arm/mach-msm/include/mach/debug-macro.S
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   1/* arch/arm/mach-msm7200/include/mach/debug-macro.S
   2 *
   3 * Copyright (C) 2007 Google, Inc.
   4 * Author: Brian Swetland <swetland@google.com>
   5 *
   6 * This software is licensed under the terms of the GNU General Public
   7 * License version 2, as published by the Free Software Foundation, and
   8 * may be copied, distributed, and modified under those terms.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 */
  16
  17
  18
  19#include <mach/hardware.h>
  20#include <mach/msm_iomap.h>
  21
  22#if defined(CONFIG_HAS_MSM_DEBUG_UART_PHYS) && !defined(CONFIG_MSM_DEBUG_UART_NONE)
  23        .macro  addruart, rp, rv
  24        ldr     \rp, =MSM_DEBUG_UART_PHYS
  25        ldr     \rv, =MSM_DEBUG_UART_BASE
  26        .endm
  27
  28        .macro  senduart,rd,rx
  29        teq     \rx, #0
  30        strne   \rd, [\rx, #0x0C]
  31        .endm
  32
  33        .macro  waituart,rd,rx
  34        @ wait for TX_READY
  351001:   ldr     \rd, [\rx, #0x08]
  36        tst     \rd, #0x04
  37        beq     1001b
  38        .endm
  39#else
  40        .macro  addruart, rp, rv
  41        mov     \rv, #0xff000000
  42        orr     \rv, \rv, #0x00f00000
  43        .endm
  44
  45        .macro  senduart,rd,rx
  46        .endm
  47
  48        .macro  waituart,rd,rx
  49        .endm
  50#endif
  51
  52        .macro  busyuart,rd,rx
  53        .endm
  54