arch/arm/plat-mxc/include/mach/debug-macro.S

   1 /* arch/arm/mach-imx/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 #define IMX_NEEDS_DEPRECATED_SYMBOLS
  14
  15 #ifdef CONFIG_ARCH_MX1
  16 #include <mach/mx1.h>
  17 #define UART_PADDR      UART1_BASE_ADDR
  18 #define UART_VADDR      IO_ADDRESS(UART1_BASE_ADDR)
  19 #endif
  20
  21 #ifdef CONFIG_ARCH_MX25
  22 #ifdef UART_PADDR
  23 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
  24 #endif
  25 #include <mach/mx25.h>
  26 #define UART_PADDR      MX25_UART1_BASE_ADDR
  27 #define UART_VADDR      MX25_AIPS1_IO_ADDRESS(MX25_UART1_BASE_ADDR)
  28 #endif
  29
  30 #ifdef CONFIG_ARCH_MX2
  31 #ifdef UART_PADDR
  32 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
  33 #endif
  34 #include <mach/mx2x.h>
  35 #define UART_PADDR      UART1_BASE_ADDR
  36 #define UART_VADDR      AIPI_IO_ADDRESS(UART1_BASE_ADDR)
  37 #endif
  38
  39 #ifdef CONFIG_ARCH_MX3
  40 #ifdef UART_PADDR
  41 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
  42 #endif
  43 #include <mach/mx3x.h>
  44 #define UART_PADDR      UART1_BASE_ADDR
  45 #define UART_VADDR      AIPS1_IO_ADDRESS(UART1_BASE_ADDR)
  46 #endif
  47
  48 #ifdef CONFIG_ARCH_MX5
  49 #ifdef UART_PADDR
  50 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
  51 #endif
  52 #include <mach/mx51.h>
  53 #define UART_PADDR      MX51_UART1_BASE_ADDR
  54 #define UART_VADDR      MX51_AIPS1_IO_ADDRESS(MX51_UART1_BASE_ADDR)
  55 #endif
  56
  57 #ifdef CONFIG_ARCH_MXC91231
  58 #ifdef UART_PADDR
  59 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
  60 #endif
  61 #include <mach/mxc91231.h>
  62 #define UART_PADDR      MXC91231_UART2_BASE_ADDR
  63 #define UART_VADDR      MXC91231_IO_ADDRESS(MXC91231_UART2_BASE_ADDR)
  64 #endif
  65                 .macro  addruart, rp, rv
  66                 ldr     \rp, =UART_PADDR        @ physical
  67                 ldr     \rv, =UART_VADDR        @ virtual
  68                 .endm
  69
  70                 .macro  senduart,rd,rx
  71                 str     \rd, [\rx, #0x40]       @ TXDATA
  72                 .endm
  73
  74                 .macro  waituart,rd,rx
  75                 .endm
  76
  77                 .macro  busyuart,rd,rx
  78 1002:           ldr     \rd, [\rx, #0x98]       @ SR2
  79                 tst     \rd, #1 << 3            @ TXDC
  80                 beq     1002b                   @ wait until transmit done
  81                 .endm