arch/arm/mach-prima2/include/mach/debug-macro.S

   1 /*
   2  * arch/arm/mach-prima2/include/mach/debug-macro.S
   3  *
   4  * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
   5  *
   6  * Licensed under GPLv2 or later.
   7  */
   8
   9 #include <mach/hardware.h>
  10 #include <mach/uart.h>
  11
  12         .macro  addruart, rp, rv, tmp
  13         ldr     \rp, =SIRFSOC_UART1_PA_BASE             @ physical
  14         ldr     \rv, =SIRFSOC_UART1_VA_BASE             @ virtual
  15         .endm
  16
  17         .macro  senduart,rd,rx
  18         str     \rd, [\rx, #SIRFSOC_UART_TXFIFO_DATA]
  19         .endm
  20
  21         .macro  busyuart,rd,rx
  22         .endm
  23
  24         .macro  waituart,rd,rx
  25 1001:   ldr     \rd, [\rx, #SIRFSOC_UART_TXFIFO_STATUS]
  26         tst     \rd, #SIRFSOC_UART1_TXFIFO_EMPTY
  27         beq     1001b
  28         .endm
  29