target/linux/coldfire/files-2.6.31/arch/m68k/coldfire/m547x/mcf548x-devices.c

   1 /*
   2  * arch/m68k/coldfire/m547x/mcf548x-devices.c
   3  *
   4  * Coldfire M548x Platform Device Configuration
   5  *
   6  * Based on the Freescale MXC devices.c
   7  *
   8  * Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved.
   9  *
  10  * Kurt Mahan <kmahan@freescale.com>
  11  */
  12 #include <linux/module.h>
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/mtd/physmap.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/fsl_devices.h>
  18
  19 #include <asm/coldfire.h>
  20 #include <asm/mcfsim.h>
  21 #include <asm/mcfuart.h>
  22
  23 static struct resource coldfire_i2c_resources[] = {
  24         {               /* I/O */
  25                 .start          = MCF_MBAR + 0x008F00,
  26                 .end            = MCF_MBAR + 0x008F20,
  27                 .flags          = IORESOURCE_MEM,
  28         },
  29         {               /* IRQ */
  30                 .start          = 40,
  31                 .end            = 40,
  32                 .flags          = IORESOURCE_IRQ,
  33         },
  34 };
  35
  36 static struct platform_device coldfire_i2c_device = {
  37         .name                   = "mcf-i2c",
  38         .id                     = 0,    /*bus number*/
  39         .num_resources          = ARRAY_SIZE(coldfire_i2c_resources),
  40         .resource               = coldfire_i2c_resources,
  41 };
  42
  43 static struct resource coldfire_sec_resources[] = {
  44         [0] = {         /* I/O */
  45                 .start          = MCF_MBAR + 0x00020000,
  46                 .end            = MCF_MBAR + 0x00033000,
  47                 .flags          = IORESOURCE_MEM,
  48         },
  49         [2] = {         /* IRQ */
  50                 .start          = ISC_SEC,
  51                 .end            = ISC_SEC,
  52                 .flags          = IORESOURCE_IRQ,
  53         },
  54 };
  55
  56 static struct platform_device coldfire_sec_device = {
  57         .name                   = "fsl-sec1",
  58         .id                     = -1,
  59         .num_resources          = ARRAY_SIZE(coldfire_sec_resources),
  60         .resource               = coldfire_sec_resources,
  61 };
  62
  63 static struct physmap_flash_data mcf5485_flash_data = {
  64        .width          = 2,
  65 };
  66
  67 static struct resource mcf5485_flash_resource = {
  68        .start          = 0xff800000,
  69        .end            = 0xffbfffff,
  70        .flags          = IORESOURCE_MEM,
  71 };
  72
  73 static struct platform_device mcf5485_flash_device = {
  74        .name           = "physmap-flash",
  75        .id             = 0,
  76        .dev            = {
  77                .platform_data  = &mcf5485_flash_data,
  78        },
  79        .num_resources  = 1,
  80        .resource       = &mcf5485_flash_resource,
  81 };
  82
  83 static int __init mcf5485_init_devices(void)
  84 {
  85         printk(KERN_INFO "MCF5485x INIT_DEVICES\n");
  86
  87         platform_device_register(&coldfire_i2c_device);
  88         platform_device_register(&coldfire_sec_device);
  89         platform_device_register(&mcf5485_flash_device);
  90         return 0;
  91 }
  92 arch_initcall(mcf5485_init_devices);
  93
  94 static struct mcf_platform_uart m548x_uart_platform[] = {
  95         {
  96                 .mapbase        = MCF_MBAR + MCFUART_BASE1,
  97                 .irq            = MCFINT_VECBASE + MCFINT_UART0,
  98         },
  99         {
 100                 .mapbase        = MCF_MBAR + MCFUART_BASE2,
 101                 .irq            = MCFINT_VECBASE + MCFINT_UART1,
 102         },
 103         {
 104                 .mapbase        = MCF_MBAR + MCFUART_BASE3,
 105                 .irq            = MCFINT_VECBASE + MCFINT_UART2,
 106         },
 107         { },
 108 };
 109
 110 static struct platform_device m548x_uart = {
 111                 .name                   = "mcfuart",
 112                 .id                     = 0,
 113                 .dev.platform_data      = m548x_uart_platform,
 114 };
 115
 116 static struct platform_device *m548x_devices[] __initdata = {
 117                 &m548x_uart,
 118 };
 119
 120 void m548x_uarts_init(void)
 121 {
 122         const int nrlines = ARRAY_SIZE(m548x_uart_platform);
 123         int line;
 124
 125         /* Set GPIO port register to enable PSC(port) signals */
 126         for (line = 0; (line < nrlines); line++) {
 127                 MCF_PAR_PSCn(line) = (0
 128                         | MCF_PAR_PSC_TXD
 129                         | MCF_PAR_PSC_RXD);
 130
 131                 MCF_ICR(m548x_uart_platform[line].irq - 64) = ILP_PSCn(line);
 132         }
 133 }
 134 /***************************************************************************/
 135
 136 static int __init init_BSP(void)
 137 {
 138         m548x_uarts_init();
 139         platform_add_devices(m548x_devices, ARRAY_SIZE(m548x_devices));
 140         return 0;
 141 }
 142
 143 arch_initcall(init_BSP);