arch/arm/mach-mx1/mx1ads.c

   1 /*
   2  * arch/arm/mach-imx/mx1ads.c
   3  *
   4  * Initially based on:
   5  *      linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
   6  *      Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
   7  *
   8  * 2004 (c) MontaVista Software, Inc.
   9  *
  10  * This file is licensed under the terms of the GNU General Public
  11  * License version 2. This program is licensed "as is" without any
  12  * warranty of any kind, whether express or implied.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/mtd/physmap.h>
  19
  20 #include <asm/mach-types.h>
  21 #include <asm/mach/arch.h>
  22 #include <asm/mach/time.h>
  23
  24 #include <mach/hardware.h>
  25 #include <mach/common.h>
  26 #include <mach/imx-uart.h>
  27 #include <mach/iomux-mx1-mx2.h>
  28 #include "devices.h"
  29
  30 /*
  31  * UARTs platform data
  32  */
  33 static int mxc_uart1_pins[] = {
  34         PC9_PF_UART1_CTS,
  35         PC10_PF_UART1_RTS,
  36         PC11_PF_UART1_TXD,
  37         PC12_PF_UART1_RXD,
  38 };
  39
  40 static int uart1_mxc_init(struct platform_device *pdev)
  41 {
  42         return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
  43                         ARRAY_SIZE(mxc_uart1_pins), "UART1");
  44 }
  45
  46 static int uart1_mxc_exit(struct platform_device *pdev)
  47 {
  48         mxc_gpio_release_multiple_pins(mxc_uart1_pins,
  49                         ARRAY_SIZE(mxc_uart1_pins));
  50         return 0;
  51 }
  52
  53 static int mxc_uart2_pins[] = {
  54         PB28_PF_UART2_CTS,
  55         PB29_PF_UART2_RTS,
  56         PB30_PF_UART2_TXD,
  57         PB31_PF_UART2_RXD,
  58 };
  59
  60 static int uart2_mxc_init(struct platform_device *pdev)
  61 {
  62         return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
  63                         ARRAY_SIZE(mxc_uart2_pins), "UART2");
  64 }
  65
  66 static int uart2_mxc_exit(struct platform_device *pdev)
  67 {
  68         mxc_gpio_release_multiple_pins(mxc_uart2_pins,
  69                         ARRAY_SIZE(mxc_uart2_pins));
  70         return 0;
  71 }
  72
  73 static struct imxuart_platform_data uart_pdata[] = {
  74         {
  75                 .init = uart1_mxc_init,
  76                 .exit = uart1_mxc_exit,
  77                 .flags = IMXUART_HAVE_RTSCTS,
  78         }, {
  79                 .init = uart2_mxc_init,
  80                 .exit = uart2_mxc_exit,
  81                 .flags = IMXUART_HAVE_RTSCTS,
  82         },
  83 };
  84
  85 /*
  86  * Physmap flash
  87  */
  88
  89 static struct physmap_flash_data mx1ads_flash_data = {
  90         .width          = 4,            /* bankwidth in bytes */
  91 };
  92
  93 static struct resource flash_resource = {
  94         .start  = IMX_CS0_PHYS,
  95         .end    = IMX_CS0_PHYS + SZ_32M - 1,
  96         .flags  = IORESOURCE_MEM,
  97 };
  98
  99 static struct platform_device flash_device = {
 100         .name   = "physmap-flash",
 101         .id     = 0,
 102         .resource = &flash_resource,
 103         .num_resources = 1,
 104 };
 105
 106 /*
 107  * Board init
 108  */
 109 static void __init mx1ads_init(void)
 110 {
 111         /* UART */
 112         mxc_register_device(&imx_uart1_device, &uart_pdata[0]);
 113         mxc_register_device(&imx_uart2_device, &uart_pdata[1]);
 114
 115         /* Physmap flash */
 116         mxc_register_device(&flash_device, &mx1ads_flash_data);
 117 }
 118
 119 static void __init mx1ads_timer_init(void)
 120 {
 121         mxc_clocks_init(32000);
 122         mxc_timer_init("gpt_clk");
 123 }
 124
 125 struct sys_timer mx1ads_timer = {
 126         .init   = mx1ads_timer_init,
 127 };
 128
 129 MACHINE_START(MX1ADS, "Freescale MX1ADS")
 130         /* Maintainer: Sascha Hauer, Pengutronix */
 131         .phys_io        = IMX_IO_PHYS,
 132         .io_pg_offst    = (IMX_IO_BASE >> 18) & 0xfffc,
 133         .boot_params    = PHYS_OFFSET + 0x100,
 134         .map_io         = mxc_map_io,
 135         .init_irq       = mxc_init_irq,
 136         .timer          = &mx1ads_timer,
 137         .init_machine   = mx1ads_init,
 138 MACHINE_END
 139
 140 MACHINE_START(MXLADS, "Freescale MXLADS")
 141         .phys_io        = IMX_IO_PHYS,
 142         .io_pg_offst    = (IMX_IO_BASE >> 18) & 0xfffc,
 143         .boot_params    = PHYS_OFFSET + 0x100,
 144         .map_io         = mxc_map_io,
 145         .init_irq       = mxc_init_irq,
 146         .timer          = &mx1ads_timer,
 147         .init_machine   = mx1ads_init,
 148 MACHINE_END