arch/arm/mach-msm/include/mach/debug-macro.S

   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 #ifdef CONFIG_HAS_MSM_DEBUG_UART_PHYS
  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
  35 1001:   ldr     \rd, [\rx, #0x08]
  36         tst     \rd, #0x04
  37         beq     1001b
  38         .endm
  39
  40         .macro  busyuart,rd,rx
  41         .endm
  42 #endif