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 #include "gpio.h"
  35
  36
  37 static void __init eco920_init_early(void)
  38 {
  39         /* Set cpu type: PQFP */
  40         at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
  41
  42         at91_initialize(18432000);
  43 }
  44
  45 static struct macb_platform_data __initdata eco920_eth_data = {
  46         .phy_irq_pin    = AT91_PIN_PC2,
  47         .is_rmii        = 1,
  48 };
  49
  50 static struct at91_usbh_data __initdata eco920_usbh_data = {
  51         .ports          = 1,
  52         .vbus_pin       = {-EINVAL, -EINVAL},
  53         .overcurrent_pin= {-EINVAL, -EINVAL},
  54 };
  55
  56 static struct at91_udc_data __initdata eco920_udc_data = {
  57         .vbus_pin       = AT91_PIN_PB12,
  58         .pullup_pin     = AT91_PIN_PB13,
  59 };
  60
  61 static struct mci_platform_data __initdata eco920_mci0_data = {
  62         .slot[0] = {
  63                 .bus_width      = 1,
  64                 .detect_pin     = -EINVAL,
  65                 .wp_pin         = -EINVAL,
  66         },
  67 };
  68
  69 static struct physmap_flash_data eco920_flash_data = {
  70         .width  = 2,
  71 };
  72
  73 static struct resource eco920_flash_resource = {
  74         .start          = 0x11000000,
  75         .end            = 0x11ffffff,
  76         .flags          = IORESOURCE_MEM,
  77 };
  78
  79 static struct platform_device eco920_flash = {
  80         .name           = "physmap-flash",
  81         .id             = 0,
  82         .dev            = {
  83                 .platform_data  = &eco920_flash_data,
  84         },
  85         .resource       = &eco920_flash_resource,
  86         .num_resources  = 1,
  87 };
  88
  89 static struct spi_board_info eco920_spi_devices[] = {
  90         {       /* CAN controller */
  91                 .modalias       = "tlv5638",
  92                 .chip_select    = 3,
  93                 .max_speed_hz   = 20 * 1000 * 1000,
  94                 .mode           = SPI_CPHA,
  95         },
  96 };
  97
  98 /*
  99  * LEDs
 100  */
 101 static struct gpio_led eco920_leds[] = {
 102         {       /* D1 */
 103                 .name                   = "led1",
 104                 .gpio                   = AT91_PIN_PB0,
 105                 .active_low             = 1,
 106                 .default_trigger        = "heartbeat",
 107         },
 108         {       /* D2 */
 109                 .name                   = "led2",
 110                 .gpio                   = AT91_PIN_PB1,
 111                 .active_low             = 1,
 112                 .default_trigger        = "timer",
 113         }
 114 };
 115
 116 static void __init eco920_board_init(void)
 117 {
 118         /* DBGU on ttyS0. (Rx & Tx only */
 119         at91_register_uart(0, 0, 0);
 120         at91_add_device_serial();
 121         at91_add_device_eth(&eco920_eth_data);
 122         at91_add_device_usbh(&eco920_usbh_data);
 123         at91_add_device_udc(&eco920_udc_data);
 124
 125         at91_add_device_mci(0, &eco920_mci0_data);
 126         platform_device_register(&eco920_flash);
 127
 128         at91_ramc_write(0, AT91_SMC_CSR(7),     AT91_SMC_RWHOLD_(1)
 129                                 | AT91_SMC_RWSETUP_(1)
 130                                 | AT91_SMC_DBW_8
 131                                 | AT91_SMC_WSEN
 132                                 | AT91_SMC_NWS_(15));
 133
 134         at91_set_A_periph(AT91_PIN_PC6, 1);
 135
 136         at91_set_gpio_input(AT91_PIN_PA23, 0);
 137         at91_set_deglitch(AT91_PIN_PA23, 1);
 138
 139 /* Initialization of the Static Memory Controller for Chip Select 3 */
 140         at91_ramc_write(0, AT91_SMC_CSR(3),
 141                 AT91_SMC_DBW_16  |      /* 16 bit */
 142                 AT91_SMC_WSEN    |
 143                 AT91_SMC_NWS_(5) |      /* wait states */
 144                 AT91_SMC_TDF_(1)        /* float time */
 145         );
 146
 147         at91_add_device_spi(eco920_spi_devices, ARRAY_SIZE(eco920_spi_devices));
 148         /* LEDs */
 149         at91_gpio_leds(eco920_leds, ARRAY_SIZE(eco920_leds));
 150 }
 151
 152 MACHINE_START(ECO920, "eco920")
 153         /* Maintainer: Sascha Hauer */
 154         .init_time      = at91rm9200_timer_init,
 155         .map_io         = at91_map_io,
 156         .handle_irq     = at91_aic_handle_irq,
 157         .init_early     = eco920_init_early,
 158         .init_irq       = at91_init_irq_default,
 159         .init_machine   = eco920_board_init,
 160 MACHINE_END