arch/arm/mach-imx/mach-imx27lite.c

   1 /*
   2  * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
   3  * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
   4  * Copyright 2009 Daniel Schaeffer (daniel.schaeffer@timesys.com)
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #include <linux/platform_device.h>
  18 #include <linux/gpio.h>
  19 #include <asm/mach-types.h>
  20 #include <asm/mach/arch.h>
  21 #include <asm/mach/time.h>
  22 #include <asm/mach/map.h>
  23
  24 #include "common.h"
  25 #include "devices-imx27.h"
  26 #include "hardware.h"
  27 #include "iomux-mx27.h"
  28
  29 static const int mx27lite_pins[] __initconst = {
  30         /* UART1 */
  31         PE12_PF_UART1_TXD,
  32         PE13_PF_UART1_RXD,
  33         PE14_PF_UART1_CTS,
  34         PE15_PF_UART1_RTS,
  35         /* FEC */
  36         PD0_AIN_FEC_TXD0,
  37         PD1_AIN_FEC_TXD1,
  38         PD2_AIN_FEC_TXD2,
  39         PD3_AIN_FEC_TXD3,
  40         PD4_AOUT_FEC_RX_ER,
  41         PD5_AOUT_FEC_RXD1,
  42         PD6_AOUT_FEC_RXD2,
  43         PD7_AOUT_FEC_RXD3,
  44         PD8_AF_FEC_MDIO,
  45         PD9_AIN_FEC_MDC,
  46         PD10_AOUT_FEC_CRS,
  47         PD11_AOUT_FEC_TX_CLK,
  48         PD12_AOUT_FEC_RXD0,
  49         PD13_AOUT_FEC_RX_DV,
  50         PD14_AOUT_FEC_RX_CLK,
  51         PD15_AOUT_FEC_COL,
  52         PD16_AIN_FEC_TX_ER,
  53         PF23_AIN_FEC_TX_EN,
  54 };
  55
  56 static const struct imxuart_platform_data uart_pdata __initconst = {
  57         .flags = IMXUART_HAVE_RTSCTS,
  58 };
  59
  60 static void __init mx27lite_init(void)
  61 {
  62         imx27_soc_init();
  63
  64         mxc_gpio_setup_multiple_pins(mx27lite_pins, ARRAY_SIZE(mx27lite_pins),
  65                 "imx27lite");
  66         imx27_add_imx_uart0(&uart_pdata);
  67         imx27_add_fec(NULL);
  68 }
  69
  70 static void __init mx27lite_timer_init(void)
  71 {
  72         mx27_clocks_init(26000000);
  73 }
  74
  75 MACHINE_START(IMX27LITE, "LogicPD i.MX27LITE")
  76         .atag_offset = 0x100,
  77         .map_io = mx27_map_io,
  78         .init_early = imx27_init_early,
  79         .init_irq = mx27_init_irq,
  80         .handle_irq = imx27_handle_irq,
  81         .init_time      = mx27lite_timer_init,
  82         .init_machine = mx27lite_init,
  83         .restart        = mxc_restart,
  84 MACHINE_END