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 <asm/arch/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 <asm/arch/board.h>
  41 #include <asm/arch/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         /* DGBU on ttyS0. (Rx & Tx only) */
  52         at91_register_uart(0, 0, 0);
  53
  54         /* set serial console to ttyS0 (ie, DBGU) */
  55         at91_set_serial_console(0);
  56 }
  57
  58 static void __init cam60_init_irq(void)
  59 {
  60         at91sam9260_init_interrupts(NULL);
  61 }
  62
  63
  64 /*
  65  * USB Host
  66  */
  67 static struct at91_usbh_data __initdata cam60_usbh_data = {
  68         .ports          = 1,
  69 };
  70
  71
  72 /*
  73  * SPI devices.
  74  */
  75 #if defined(CONFIG_MTD_DATAFLASH)
  76 static struct mtd_partition __initdata cam60_spi_partitions[] = {
  77         {
  78                 .name   = "BOOT1",
  79                 .offset = 0,
  80                 .size   = 4 * 1056,
  81         },
  82         {
  83                 .name   = "BOOT2",
  84                 .offset = MTDPART_OFS_NXTBLK,
  85                 .size   = 256 * 1056,
  86         },
  87         {
  88                 .name   = "kernel",
  89                 .offset = MTDPART_OFS_NXTBLK,
  90                 .size   = 2222 * 1056,
  91         },
  92         {
  93                 .name   = "file system",
  94                 .offset = MTDPART_OFS_NXTBLK,
  95                 .size   = MTDPART_SIZ_FULL,
  96         },
  97 };
  98
  99 static struct flash_platform_data __initdata cam60_spi_flash_platform_data = {
 100         .name           = "spi_flash",
 101         .parts          = cam60_spi_partitions,
 102         .nr_parts       = ARRAY_SIZE(cam60_spi_partitions)
 103 };
 104 #endif
 105
 106 static struct spi_board_info cam60_spi_devices[] = {
 107 #if defined(CONFIG_MTD_DATAFLASH)
 108         {       /* DataFlash chip */
 109                 .modalias       = "mtd_dataflash",
 110                 .chip_select    = 0,
 111                 .max_speed_hz   = 15 * 1000 * 1000,
 112                 .bus_num        = 0,
 113                 .platform_data  = &cam60_spi_flash_platform_data
 114         },
 115 #endif
 116 };
 117
 118
 119 /*
 120  * MACB Ethernet device
 121  */
 122 static struct __initdata at91_eth_data cam60_macb_data = {
 123         .phy_irq_pin    = AT91_PIN_PB5,
 124         .is_rmii        = 0,
 125 };
 126
 127
 128 /*
 129  * NAND Flash
 130  */
 131 static struct mtd_partition __initdata cam60_nand_partition[] = {
 132         {
 133                 .name   = "nand_fs",
 134                 .offset = 0,
 135                 .size   = MTDPART_SIZ_FULL,
 136         },
 137 };
 138
 139 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 140 {
 141         *num_partitions = ARRAY_SIZE(cam60_nand_partition);
 142         return cam60_nand_partition;
 143 }
 144
 145 static struct atmel_nand_data __initdata cam60_nand_data = {
 146         .ale            = 21,
 147         .cle            = 22,
 148         // .det_pin     = ... not there
 149         .rdy_pin        = AT91_PIN_PA9,
 150         .enable_pin     = AT91_PIN_PA7,
 151         .partition_info = nand_partitions,
 152 };
 153
 154
 155 static void __init cam60_board_init(void)
 156 {
 157         /* Serial */
 158         at91_add_device_serial();
 159         /* SPI */
 160         at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices));
 161         /* Ethernet */
 162         at91_add_device_eth(&cam60_macb_data);
 163         /* USB Host */
 164         /* enable USB power supply circuit */
 165         at91_set_gpio_output(AT91_PIN_PB18, 1);
 166         at91_add_device_usbh(&cam60_usbh_data);
 167         /* NAND */
 168         at91_add_device_nand(&cam60_nand_data);
 169 }
 170
 171 MACHINE_START(CAM60, "KwikByte CAM60")
 172         /* Maintainer: KwikByte */
 173         .phys_io        = AT91_BASE_SYS,
 174         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 175         .boot_params    = AT91_SDRAM_BASE + 0x100,
 176         .timer          = &at91sam926x_timer,
 177         .map_io         = cam60_map_io,
 178         .init_irq       = cam60_init_irq,
 179         .init_machine   = cam60_board_init,
 180 MACHINE_END