arch/arm/mach-clps711x/include/mach/debug-macro.S

   1 /* arch/arm/mach-clps711x/include/mach/debug-macro.S
   2  *
   3  * Debugging macro include header
   4  *
   5  *  Copyright (C) 1994-1999 Russell King
   6  *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  *
  12 */
  13
  14 #include <mach/hardware.h>
  15 #include <asm/hardware/clps7111.h>
  16
  17                 .macro  addruart, rx, tmp
  18                 mrc     p15, 0, \rx, c1, c0
  19                 tst     \rx, #1                 @ MMU enabled?
  20                 moveq   \rx, #CLPS7111_PHYS_BASE
  21                 movne   \rx, #CLPS7111_VIRT_BASE
  22 #ifndef CONFIG_DEBUG_CLPS711X_UART2
  23                 add     \rx, \rx, #0x0000       @ UART1
  24 #else
  25                 add     \rx, \rx, #0x1000       @ UART2
  26 #endif
  27                 .endm
  28
  29                 .macro  senduart,rd,rx
  30                 str     \rd, [\rx, #0x0480]     @ UARTDR
  31                 .endm
  32
  33                 .macro  waituart,rd,rx
  34 1001:           ldr     \rd, [\rx, #0x0140]     @ SYSFLGx
  35                 tst     \rd, #1 << 11           @ UBUSYx
  36                 bne     1001b
  37                 .endm
  38
  39                 .macro  busyuart,rd,rx
  40                 tst     \rx, #0x1000            @ UART2 does not have CTS here
  41                 bne     1002f
  42 1001:           ldr     \rd, [\rx, #0x0140]     @ SYSFLGx
  43                 tst     \rd, #1 << 8            @ CTS
  44                 bne     1001b
  45 1002:
  46                 .endm
  47