arch/arm/mach-at91/board-cam60.c

   1 /*
   2  * KwikByte CAM60 (KB9260)
   3  *
   4  * based on board-sam9260ek.c
   5  *   Copyright (C) 2005 SAN People
   6  *   Copyright (C) 2006 Atmel
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include <linux/types.h>
  24 #include <linux/init.h>
  25 #include <linux/mm.h>
  26 #include <linux/module.h>
  27 #include <linux/platform_device.h>
  28 #include <linux/spi/spi.h>
  29 #include <linux/spi/flash.h>
  30
  31 #include <mach/hardware.h>
  32 #include <asm/setup.h>
  33 #include <asm/mach-types.h>
  34 #include <asm/irq.h>
  35
  36 #include <asm/mach/arch.h>
  37 #include <asm/mach/map.h>
  38 #include <asm/mach/irq.h>
  39
  40 #include <mach/board.h>
  41 #include <mach/gpio.h>
  42
  43 #include "generic.h"
  44
  45
  46 static void __init cam60_map_io(void)
  47 {
  48         /* Initialize processor: 10 MHz crystal */
  49         at91sam9260_initialize(10000000);
  50
  51         /* Setup the serial ports and console */
  52         at91_init_uarts();
  53 }
  54
  55 static void __init cam60_init_irq(void)
  56 {
  57         at91sam9260_init_interrupts(NULL);
  58 }
  59
  60
  61 /*
  62  * USB Host
  63  */
  64 static struct at91_usbh_data __initdata cam60_usbh_data = {
  65         .ports          = 1,
  66 };
  67
  68
  69 /*
  70  * SPI devices.
  71  */
  72 #if defined(CONFIG_MTD_DATAFLASH)
  73 static struct mtd_partition __initdata cam60_spi_partitions[] = {
  74         {
  75                 .name   = "BOOT1",
  76                 .offset = 0,
  77                 .size   = 4 * 1056,
  78         },
  79         {
  80                 .name   = "BOOT2",
  81                 .offset = MTDPART_OFS_NXTBLK,
  82                 .size   = 256 * 1056,
  83         },
  84         {
  85                 .name   = "kernel",
  86                 .offset = MTDPART_OFS_NXTBLK,
  87                 .size   = 2222 * 1056,
  88         },
  89         {
  90                 .name   = "file system",
  91                 .offset = MTDPART_OFS_NXTBLK,
  92                 .size   = MTDPART_SIZ_FULL,
  93         },
  94 };
  95
  96 static struct flash_platform_data __initdata cam60_spi_flash_platform_data = {
  97         .name           = "spi_flash",
  98         .parts          = cam60_spi_partitions,
  99         .nr_parts       = ARRAY_SIZE(cam60_spi_partitions)
 100 };
 101 #endif
 102
 103 static struct spi_board_info cam60_spi_devices[] = {
 104 #if defined(CONFIG_MTD_DATAFLASH)
 105         {       /* DataFlash chip */
 106                 .modalias       = "mtd_dataflash",
 107                 .chip_select    = 0,
 108                 .max_speed_hz   = 15 * 1000 * 1000,
 109                 .bus_num        = 0,
 110                 .platform_data  = &cam60_spi_flash_platform_data
 111         },
 112 #endif
 113 };
 114
 115
 116 /*
 117  * MACB Ethernet device
 118  */
 119 static struct __initdata at91_eth_data cam60_macb_data = {
 120         .phy_irq_pin    = AT91_PIN_PB5,
 121         .is_rmii        = 0,
 122 };
 123
 124
 125 /*
 126  * NAND Flash
 127  */
 128 static struct mtd_partition __initdata cam60_nand_partition[] = {
 129         {
 130                 .name   = "nand_fs",
 131                 .offset = 0,
 132                 .size   = MTDPART_SIZ_FULL,
 133         },
 134 };
 135
 136 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 137 {
 138         *num_partitions = ARRAY_SIZE(cam60_nand_partition);
 139         return cam60_nand_partition;
 140 }
 141
 142 static struct atmel_nand_data __initdata cam60_nand_data = {
 143         .ale            = 21,
 144         .cle            = 22,
 145         // .det_pin     = ... not there
 146         .rdy_pin        = AT91_PIN_PA9,
 147         .enable_pin     = AT91_PIN_PA7,
 148         .partition_info = nand_partitions,
 149 };
 150
 151
 152 static void __init cam60_board_init(void)
 153 {
 154         /* Serial */
 155         at91_add_device_serial();
 156         /* SPI */
 157         at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices));
 158         /* Ethernet */
 159         at91_add_device_eth(&cam60_macb_data);
 160         /* USB Host */
 161         /* enable USB power supply circuit */
 162         at91_set_gpio_output(AT91_PIN_PB18, 1);
 163         at91_add_device_usbh(&cam60_usbh_data);
 164         /* NAND */
 165         at91_add_device_nand(&cam60_nand_data);
 166 }
 167
 168 MACHINE_START(CAM60, "KwikByte CAM60")
 169         /* Maintainer: KwikByte */
 170         .phys_io        = AT91_BASE_SYS,
 171         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 172         .boot_params    = AT91_SDRAM_BASE + 0x100,
 173         .timer          = &at91sam926x_timer,
 174         .map_io         = cam60_map_io,
 175         .init_irq       = cam60_init_irq,
 176         .init_machine   = cam60_board_init,
 177 MACHINE_END