arch/arm/mach-imx/mach-bug.c

   1 /*
   2  * Copyright (C) 2000 Deep Blue Solutions Ltd
   3  * Copyright (C) 2002 Shane Nay (shane@minirl.com)
   4  * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
   5  * Copyright 2011 Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  */
  17
  18 #include <linux/kernel.h>
  19 #include <linux/init.h>
  20 #include <linux/platform_device.h>
  21
  22 #include <mach/iomux-mx3.h>
  23 #include <mach/hardware.h>
  24 #include <mach/common.h>
  25
  26 #include <asm/mach/time.h>
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach-types.h>
  29
  30 #include "devices-imx31.h"
  31
  32 static const struct imxuart_platform_data uart_pdata __initconst = {
  33         .flags = IMXUART_HAVE_RTSCTS,
  34 };
  35
  36 static const unsigned int bug_pins[] __initconst = {
  37         MX31_PIN_PC_RST__CTS5,
  38         MX31_PIN_PC_VS2__RTS5,
  39         MX31_PIN_PC_BVD2__TXD5,
  40         MX31_PIN_PC_BVD1__RXD5,
  41 };
  42
  43 static void __init bug_board_init(void)
  44 {
  45         imx31_soc_init();
  46
  47         mxc_iomux_setup_multiple_pins(bug_pins,
  48                                       ARRAY_SIZE(bug_pins), "uart-4");
  49         imx31_add_imx_uart4(&uart_pdata);
  50 }
  51
  52 static void __init bug_timer_init(void)
  53 {
  54         mx31_clocks_init(26000000);
  55 }
  56
  57 static struct sys_timer bug_timer = {
  58         .init = bug_timer_init,
  59 };
  60
  61 MACHINE_START(BUG, "BugLabs BUGBase")
  62         .map_io = mx31_map_io,
  63         .init_early = imx31_init_early,
  64         .init_irq = mx31_init_irq,
  65         .timer = &bug_timer,
  66         .init_machine = bug_board_init,
  67 MACHINE_END