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, rp, rv
  18 #ifndef CONFIG_DEBUG_CLPS711X_UART2
  19                 mov     \rp, #0x0000    @ UART1
  20 #else
  21                 mov     \rp, #0x1000    @ UART2
  22 #endif
  23                 orr     \rv, \rp, #CLPS7111_VIRT_BASE
  24                 orr     \rp, \rp, #CLPS7111_PHYS_BASE
  25                 .endm
  26
  27                 .macro  senduart,rd,rx
  28                 str     \rd, [\rx, #0x0480]     @ UARTDR
  29                 .endm
  30
  31                 .macro  waituart,rd,rx
  32 1001:           ldr     \rd, [\rx, #0x0140]     @ SYSFLGx
  33                 tst     \rd, #1 << 11           @ UBUSYx
  34                 bne     1001b
  35                 .endm
  36
  37                 .macro  busyuart,rd,rx
  38                 tst     \rx, #0x1000            @ UART2 does not have CTS here
  39                 bne     1002f
  40 1001:           ldr     \rd, [\rx, #0x0140]     @ SYSFLGx
  41                 tst     \rd, #1 << 8            @ CTS
  42                 bne     1001b
  43 1002:
  44                 .endm
  45