arch/sh/boards/board-urquell.c

   1 /*
   2  * Renesas Technology Corp. SH7786 Urquell Support.
   3  *
   4  * Copyright (C) 2008  Kuninori Morimoto <morimoto.kuninori@renesas.com>
   5  * Copyright (C) 2008  Yoshihiro Shimoda
   6  *
   7  * This file is subject to the terms and conditions of the GNU General Public
   8  * License.  See the file "COPYING" in the main directory of this archive
   9  * for more details.
  10  */
  11 #include <linux/init.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/fb.h>
  14 #include <linux/smc91x.h>
  15 #include <linux/mtd/physmap.h>
  16 #include <linux/delay.h>
  17 #include <linux/gpio.h>
  18 #include <linux/irq.h>
  19 #include <mach/urquell.h>
  20 #include <cpu/sh7786.h>
  21 #include <asm/heartbeat.h>
  22 #include <asm/sizes.h>
  23
  24 static struct resource heartbeat_resources[] = {
  25         [0] = {
  26                 .start  = BOARDREG(SLEDR),
  27                 .end    = BOARDREG(SLEDR),
  28                 .flags  = IORESOURCE_MEM,
  29         },
  30 };
  31
  32 static struct heartbeat_data heartbeat_data = {
  33         .regsize = 16,
  34 };
  35
  36 static struct platform_device heartbeat_device = {
  37         .name           = "heartbeat",
  38         .id             = -1,
  39         .dev    = {
  40                 .platform_data  = &heartbeat_data,
  41         },
  42         .num_resources  = ARRAY_SIZE(heartbeat_resources),
  43         .resource       = heartbeat_resources,
  44 };
  45
  46 static struct smc91x_platdata smc91x_info = {
  47         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
  48 };
  49
  50 static struct resource smc91x_eth_resources[] = {
  51         [0] = {
  52                 .name   = "SMC91C111" ,
  53                 .start  = 0x05800300,
  54                 .end    = 0x0580030f,
  55                 .flags  = IORESOURCE_MEM,
  56         },
  57         [1] = {
  58                 .start  = 11,
  59                 .flags  = IORESOURCE_IRQ,
  60         },
  61 };
  62
  63 static struct platform_device smc91x_eth_device = {
  64         .name           = "smc91x",
  65         .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
  66         .resource       = smc91x_eth_resources,
  67         .dev    = {
  68                 .platform_data  = &smc91x_info,
  69         },
  70 };
  71
  72 static struct mtd_partition nor_flash_partitions[] = {
  73         {
  74                 .name           = "loader",
  75                 .offset         = 0x00000000,
  76                 .size           = SZ_512K,
  77                 .mask_flags     = MTD_WRITEABLE,        /* Read-only */
  78         },
  79         {
  80                 .name           = "bootenv",
  81                 .offset         = MTDPART_OFS_APPEND,
  82                 .size           = SZ_512K,
  83                 .mask_flags     = MTD_WRITEABLE,        /* Read-only */
  84         },
  85         {
  86                 .name           = "kernel",
  87                 .offset         = MTDPART_OFS_APPEND,
  88                 .size           = SZ_4M,
  89         },
  90         {
  91                 .name           = "data",
  92                 .offset         = MTDPART_OFS_APPEND,
  93                 .size           = MTDPART_SIZ_FULL,
  94         },
  95 };
  96
  97 static struct physmap_flash_data nor_flash_data = {
  98         .width          = 2,
  99         .parts          = nor_flash_partitions,
 100         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
 101 };
 102
 103 static struct resource nor_flash_resources[] = {
 104         [0] = {
 105                 .start  = NOR_FLASH_ADDR,
 106                 .end    = NOR_FLASH_ADDR + NOR_FLASH_SIZE - 1,
 107                 .flags  = IORESOURCE_MEM,
 108         }
 109 };
 110
 111 static struct platform_device nor_flash_device = {
 112         .name           = "physmap-flash",
 113         .dev            = {
 114                 .platform_data  = &nor_flash_data,
 115         },
 116         .num_resources  = ARRAY_SIZE(nor_flash_resources),
 117         .resource       = nor_flash_resources,
 118 };
 119
 120 static struct platform_device *urquell_devices[] __initdata = {
 121         &heartbeat_device,
 122         &smc91x_eth_device,
 123         &nor_flash_device,
 124 };
 125
 126 static int __init urquell_devices_setup(void)
 127 {
 128         /* USB */
 129         gpio_request(GPIO_FN_USB_OVC0,  NULL);
 130         gpio_request(GPIO_FN_USB_PENC0, NULL);
 131
 132         /* enable LAN */
 133         __raw_writew(__raw_readw(UBOARDREG(IRL2MSKR)) & ~0x00000001,
 134                   UBOARDREG(IRL2MSKR));
 135
 136         return platform_add_devices(urquell_devices,
 137                                     ARRAY_SIZE(urquell_devices));
 138 }
 139 device_initcall(urquell_devices_setup);
 140
 141 static void urquell_power_off(void)
 142 {
 143         __raw_writew(0xa5a5, UBOARDREG(SRSTR));
 144 }
 145
 146 static void __init urquell_init_irq(void)
 147 {
 148         plat_irq_setup_pins(IRQ_MODE_IRL3210_MASK);
 149 }
 150
 151 /* Initialize the board */
 152 static void __init urquell_setup(char **cmdline_p)
 153 {
 154         printk(KERN_INFO "Renesas Technology Corp. Urquell support.\n");
 155
 156         pm_power_off = urquell_power_off;
 157 }
 158
 159 /*
 160  * The Machine Vector
 161  */
 162 static struct sh_machine_vector mv_urquell __initmv = {
 163         .mv_name        = "Urquell",
 164         .mv_setup       = urquell_setup,
 165         .mv_init_irq    = urquell_init_irq,
 166 };