arch/sh/boards/board-edosk7760.c

   1 /*
   2  * Renesas Europe EDOSK7760 Board Support
   3  *
   4  * Copyright (C) 2008 SPES Societa' Progettazione Elettronica e Software Ltd.
   5  * Author: Luca Santini <luca.santini@spesonline.com>
   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  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21 #include <linux/init.h>
  22 #include <linux/types.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/smc91x.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/i2c.h>
  27 #include <asm/machvec.h>
  28 #include <asm/io.h>
  29 #include <asm/addrspace.h>
  30 #include <asm/delay.h>
  31 #include <asm/i2c-sh7760.h>
  32
  33 /* Bus state controller registers for CS4 area */
  34 #define BSC_CS4BCR      0xA4FD0010
  35 #define BSC_CS4WCR      0xA4FD0030
  36
  37 #define SMC_IOBASE      0xA2000000
  38 #define SMC_IO_OFFSET   0x300
  39 #define SMC_IOADDR      (SMC_IOBASE + SMC_IO_OFFSET)
  40
  41 #define ETHERNET_IRQ    5
  42
  43 /* i2c initialization functions */
  44 static struct sh7760_i2c_platdata i2c_pd = {
  45         .speed_khz      = 400,
  46 };
  47
  48 static struct resource sh7760_i2c1_res[] = {
  49         {
  50                 .start  = SH7760_I2C1_MMIO,
  51                 .end    = SH7760_I2C1_MMIOEND,
  52                 .flags  = IORESOURCE_MEM,
  53         },{
  54                 .start  = SH7760_I2C1_IRQ,
  55                 .end    = SH7760_I2C1_IRQ,
  56                 .flags  = IORESOURCE_IRQ,
  57         },
  58 };
  59
  60 static struct platform_device sh7760_i2c1_dev = {
  61         .dev    = {
  62                 .platform_data  = &i2c_pd,
  63         },
  64
  65         .name           = SH7760_I2C_DEVNAME,
  66         .id             = 1,
  67         .resource       = sh7760_i2c1_res,
  68         .num_resources  = ARRAY_SIZE(sh7760_i2c1_res),
  69 };
  70
  71 static struct resource sh7760_i2c0_res[] = {
  72         {
  73                 .start  = SH7760_I2C0_MMIO,
  74                 .end    = SH7760_I2C0_MMIOEND,
  75                 .flags  = IORESOURCE_MEM,
  76         }, {
  77                 .start  = SH7760_I2C0_IRQ,
  78                 .end    = SH7760_I2C0_IRQ,
  79                 .flags  = IORESOURCE_IRQ,
  80         },
  81 };
  82
  83 static struct platform_device sh7760_i2c0_dev = {
  84         .dev    = {
  85                 .platform_data  = &i2c_pd,
  86         },
  87         .name           = SH7760_I2C_DEVNAME,
  88         .id             = 0,
  89         .resource       = sh7760_i2c0_res,
  90         .num_resources  = ARRAY_SIZE(sh7760_i2c0_res),
  91 };
  92
  93 /* eth initialization functions */
  94 static struct smc91x_platdata smc91x_info = {
  95         .flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL,
  96 };
  97
  98 static struct resource smc91x_res[] = {
  99         [0] = {
 100                 .start  = SMC_IOADDR,
 101                 .end    = SMC_IOADDR + 0x1f,
 102                 .flags  = IORESOURCE_MEM,
 103         },
 104         [1] = {
 105                 .start  = ETHERNET_IRQ,
 106                 .end    = ETHERNET_IRQ,
 107                 .flags  = IORESOURCE_IRQ ,
 108         }
 109 };
 110
 111 static struct platform_device smc91x_dev = {
 112         .name           = "smc91x",
 113         .id             = -1,
 114         .num_resources  = ARRAY_SIZE(smc91x_res),
 115         .resource       = smc91x_res,
 116
 117         .dev    = {
 118                 .platform_data  = &smc91x_info,
 119         },
 120 };
 121
 122 /* platform init code */
 123 static struct platform_device *edosk7760_devices[] __initdata = {
 124         &sh7760_i2c0_dev,
 125         &sh7760_i2c1_dev,
 126         &smc91x_dev,
 127 };
 128
 129 static int __init init_edosk7760_devices(void)
 130 {
 131         plat_irq_setup_pins(IRQ_MODE_IRQ);
 132
 133         return platform_add_devices(edosk7760_devices,
 134                                     ARRAY_SIZE(edosk7760_devices));
 135 }
 136 __initcall(init_edosk7760_devices);
 137
 138 /*
 139  * The Machine Vector
 140  */
 141 struct sh_machine_vector mv_edosk7760 __initmv = {
 142         .mv_name        = "EDOSK7760",
 143         .mv_nr_irqs     = 128,
 144 };