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/board.h>
  28 #include <mach/at91rm9200_mc.h>
  29 #include <mach/cpu.h>
  30
  31 #include "generic.h"
  32
  33 static void __init eco920_init_early(void)
  34 {
  35         /* Set cpu type: PQFP */
  36         at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
  37
  38         at91_initialize(18432000);
  39
  40         /* Setup the LEDs */
  41         at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
  42
  43         /* DBGU on ttyS0. (Rx & Tx only */
  44         at91_register_uart(0, 0, 0);
  45
  46         /* set serial console to ttyS0 (ie, DBGU) */
  47         at91_set_serial_console(0);
  48 }
  49
  50 static struct macb_platform_data __initdata eco920_eth_data = {
  51         .phy_irq_pin    = AT91_PIN_PC2,
  52         .is_rmii        = 1,
  53 };
  54
  55 static struct at91_usbh_data __initdata eco920_usbh_data = {
  56         .ports          = 1,
  57         .vbus_pin       = {-EINVAL, -EINVAL},
  58         .overcurrent_pin= {-EINVAL, -EINVAL},
  59 };
  60
  61 static struct at91_udc_data __initdata eco920_udc_data = {
  62         .vbus_pin       = AT91_PIN_PB12,
  63         .pullup_pin     = AT91_PIN_PB13,
  64 };
  65
  66 static struct at91_mmc_data __initdata eco920_mmc_data = {
  67         .slot_b         = 0,
  68         .wire4          = 0,
  69         .det_pin        = -EINVAL,
  70         .wp_pin         = -EINVAL,
  71         .vcc_pin        = -EINVAL,
  72 };
  73
  74 static struct physmap_flash_data eco920_flash_data = {
  75         .width  = 2,
  76 };
  77
  78 static struct resource eco920_flash_resource = {
  79         .start          = 0x11000000,
  80         .end            = 0x11ffffff,
  81         .flags          = IORESOURCE_MEM,
  82 };
  83
  84 static struct platform_device eco920_flash = {
  85         .name           = "physmap-flash",
  86         .id             = 0,
  87         .dev            = {
  88                 .platform_data  = &eco920_flash_data,
  89         },
  90         .resource       = &eco920_flash_resource,
  91         .num_resources  = 1,
  92 };
  93
  94 static struct spi_board_info eco920_spi_devices[] = {
  95         {       /* CAN controller */
  96                 .modalias       = "tlv5638",
  97                 .chip_select    = 3,
  98                 .max_speed_hz   = 20 * 1000 * 1000,
  99                 .mode           = SPI_CPHA,
 100         },
 101 };
 102
 103 static void __init eco920_board_init(void)
 104 {
 105         at91_add_device_serial();
 106         at91_add_device_eth(&eco920_eth_data);
 107         at91_add_device_usbh(&eco920_usbh_data);
 108         at91_add_device_udc(&eco920_udc_data);
 109
 110         at91_add_device_mmc(0, &eco920_mmc_data);
 111         platform_device_register(&eco920_flash);
 112
 113         at91_sys_write(AT91_SMC_CSR(7), AT91_SMC_RWHOLD_(1)
 114                                 | AT91_SMC_RWSETUP_(1)
 115                                 | AT91_SMC_DBW_8
 116                                 | AT91_SMC_WSEN
 117                                 | AT91_SMC_NWS_(15));
 118
 119         at91_set_A_periph(AT91_PIN_PC6, 1);
 120
 121         at91_set_gpio_input(AT91_PIN_PA23, 0);
 122         at91_set_deglitch(AT91_PIN_PA23, 1);
 123
 124 /* Initialization of the Static Memory Controller for Chip Select 3 */
 125         at91_sys_write(AT91_SMC_CSR(3),
 126                 AT91_SMC_DBW_16  |      /* 16 bit */
 127                 AT91_SMC_WSEN    |
 128                 AT91_SMC_NWS_(5) |      /* wait states */
 129                 AT91_SMC_TDF_(1)        /* float time */
 130         );
 131
 132         at91_add_device_spi(eco920_spi_devices, ARRAY_SIZE(eco920_spi_devices));
 133 }
 134
 135 MACHINE_START(ECO920, "eco920")
 136         /* Maintainer: Sascha Hauer */
 137         .timer          = &at91rm9200_timer,
 138         .map_io         = at91_map_io,
 139         .init_early     = eco920_init_early,
 140         .init_irq       = at91_init_irq_default,
 141         .init_machine   = eco920_board_init,
 142 MACHINE_END