arch/arm/mach-at91/board-eco920.c

   1 /*
   2  * This program is free software; you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License as published by
   4  * the Free Software Foundation; either version 2 of the License, or
   5  * (at your option) any later version.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program; if not, write to the Free Software
  14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  15  */
  16
  17 #include <linux/init.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/mtd/physmap.h>
  20 #include <linux/gpio.h>
  21
  22 #include <asm/mach-types.h>
  23
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/map.h>
  26
  27 #include <mach/at91rm9200_mc.h>
  28 #include <mach/at91_ramc.h>
  29 #include <mach/cpu.h>
  30
  31 #include "at91_aic.h"
  32 #include "board.h"
  33 #include "generic.h"
  34
  35 static void __init eco920_init_early(void)
  36 {
  37         /* Set cpu type: PQFP */
  38         at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
  39
  40         at91_initialize(18432000);
  41 }
  42
  43 static struct macb_platform_data __initdata eco920_eth_data = {
  44         .phy_irq_pin    = AT91_PIN_PC2,
  45         .is_rmii        = 1,
  46 };
  47
  48 static struct at91_usbh_data __initdata eco920_usbh_data = {
  49         .ports          = 1,
  50         .vbus_pin       = {-EINVAL, -EINVAL},
  51         .overcurrent_pin= {-EINVAL, -EINVAL},
  52 };
  53
  54 static struct at91_udc_data __initdata eco920_udc_data = {
  55         .vbus_pin       = AT91_PIN_PB12,
  56         .pullup_pin     = AT91_PIN_PB13,
  57 };
  58
  59 static struct mci_platform_data __initdata eco920_mci0_data = {
  60         .slot[0] = {
  61                 .bus_width      = 1,
  62                 .detect_pin     = -EINVAL,
  63                 .wp_pin         = -EINVAL,
  64         },
  65 };
  66
  67 static struct physmap_flash_data eco920_flash_data = {
  68         .width  = 2,
  69 };
  70
  71 static struct resource eco920_flash_resource = {
  72         .start          = 0x11000000,
  73         .end            = 0x11ffffff,
  74         .flags          = IORESOURCE_MEM,
  75 };
  76
  77 static struct platform_device eco920_flash = {
  78         .name           = "physmap-flash",
  79         .id             = 0,
  80         .dev            = {
  81                 .platform_data  = &eco920_flash_data,
  82         },
  83         .resource       = &eco920_flash_resource,
  84         .num_resources  = 1,
  85 };
  86
  87 static struct spi_board_info eco920_spi_devices[] = {
  88         {       /* CAN controller */
  89                 .modalias       = "tlv5638",
  90                 .chip_select    = 3,
  91                 .max_speed_hz   = 20 * 1000 * 1000,
  92                 .mode           = SPI_CPHA,
  93         },
  94 };
  95
  96 /*
  97  * LEDs
  98  */
  99 static struct gpio_led eco920_leds[] = {
 100         {       /* D1 */
 101                 .name                   = "led1",
 102                 .gpio                   = AT91_PIN_PB0,
 103                 .active_low             = 1,
 104                 .default_trigger        = "heartbeat",
 105         },
 106         {       /* D2 */
 107                 .name                   = "led2",
 108                 .gpio                   = AT91_PIN_PB1,
 109                 .active_low             = 1,
 110                 .default_trigger        = "timer",
 111         }
 112 };
 113
 114 static void __init eco920_board_init(void)
 115 {
 116         /* DBGU on ttyS0. (Rx & Tx only */
 117         at91_register_uart(0, 0, 0);
 118         at91_add_device_serial();
 119         at91_add_device_eth(&eco920_eth_data);
 120         at91_add_device_usbh(&eco920_usbh_data);
 121         at91_add_device_udc(&eco920_udc_data);
 122
 123         at91_add_device_mci(0, &eco920_mci0_data);
 124         platform_device_register(&eco920_flash);
 125
 126         at91_ramc_write(0, AT91_SMC_CSR(7),     AT91_SMC_RWHOLD_(1)
 127                                 | AT91_SMC_RWSETUP_(1)
 128                                 | AT91_SMC_DBW_8
 129                                 | AT91_SMC_WSEN
 130                                 | AT91_SMC_NWS_(15));
 131
 132         at91_set_A_periph(AT91_PIN_PC6, 1);
 133
 134         at91_set_gpio_input(AT91_PIN_PA23, 0);
 135         at91_set_deglitch(AT91_PIN_PA23, 1);
 136
 137 /* Initialization of the Static Memory Controller for Chip Select 3 */
 138         at91_ramc_write(0, AT91_SMC_CSR(3),
 139                 AT91_SMC_DBW_16  |      /* 16 bit */
 140                 AT91_SMC_WSEN    |
 141                 AT91_SMC_NWS_(5) |      /* wait states */
 142                 AT91_SMC_TDF_(1)        /* float time */
 143         );
 144
 145         at91_add_device_spi(eco920_spi_devices, ARRAY_SIZE(eco920_spi_devices));
 146         /* LEDs */
 147         at91_gpio_leds(eco920_leds, ARRAY_SIZE(eco920_leds));
 148 }
 149
 150 MACHINE_START(ECO920, "eco920")
 151         /* Maintainer: Sascha Hauer */
 152         .init_time      = at91rm9200_timer_init,
 153         .map_io         = at91_map_io,
 154         .handle_irq     = at91_aic_handle_irq,
 155         .init_early     = eco920_init_early,
 156         .init_irq       = at91_init_irq_default,
 157         .init_machine   = eco920_board_init,
 158 MACHINE_END