release/src-rt-6.x.4708/linux/linux-2.6.36/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 #include <mach/hardware.h>
  24 #include <mach/common.h>
  25 #include <mach/iomux-mx27.h>
  26
  27 #include "devices-imx27.h"
  28 #include "devices.h"
  29
  30 static unsigned int mx27lite_pins[] = {
  31         /* UART1 */
  32         PE12_PF_UART1_TXD,
  33         PE13_PF_UART1_RXD,
  34         PE14_PF_UART1_CTS,
  35         PE15_PF_UART1_RTS,
  36         /* FEC */
  37         PD0_AIN_FEC_TXD0,
  38         PD1_AIN_FEC_TXD1,
  39         PD2_AIN_FEC_TXD2,
  40         PD3_AIN_FEC_TXD3,
  41         PD4_AOUT_FEC_RX_ER,
  42         PD5_AOUT_FEC_RXD1,
  43         PD6_AOUT_FEC_RXD2,
  44         PD7_AOUT_FEC_RXD3,
  45         PD8_AF_FEC_MDIO,
  46         PD9_AIN_FEC_MDC,
  47         PD10_AOUT_FEC_CRS,
  48         PD11_AOUT_FEC_TX_CLK,
  49         PD12_AOUT_FEC_RXD0,
  50         PD13_AOUT_FEC_RX_DV,
  51         PD14_AOUT_FEC_RX_CLK,
  52         PD15_AOUT_FEC_COL,
  53         PD16_AIN_FEC_TX_ER,
  54         PF23_AIN_FEC_TX_EN,
  55 };
  56
  57 static const struct imxuart_platform_data uart_pdata __initconst = {
  58         .flags = IMXUART_HAVE_RTSCTS,
  59 };
  60
  61 static struct platform_device *platform_devices[] __initdata = {
  62         &mxc_fec_device,
  63 };
  64
  65 static void __init mx27lite_init(void)
  66 {
  67         mxc_gpio_setup_multiple_pins(mx27lite_pins, ARRAY_SIZE(mx27lite_pins),
  68                 "imx27lite");
  69         imx27_add_imx_uart0(&uart_pdata);
  70         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
  71 }
  72
  73 static void __init mx27lite_timer_init(void)
  74 {
  75         mx27_clocks_init(26000000);
  76 }
  77
  78 static struct sys_timer mx27lite_timer = {
  79         .init   = mx27lite_timer_init,
  80 };
  81
  82 MACHINE_START(IMX27LITE, "LogicPD i.MX27LITE")
  83         .phys_io        = MX27_AIPI_BASE_ADDR,
  84         .io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
  85         .boot_params    = MX27_PHYS_OFFSET + 0x100,
  86         .map_io         = mx27_map_io,
  87         .init_irq       = mx27_init_irq,
  88         .init_machine   = mx27lite_init,
  89         .timer          = &mx27lite_timer,
  90 MACHINE_END