release/src-rt-6.x.4708/linux/linux-2.6.36/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 "generic.h"
  30
  31 static void __init eco920_map_io(void)
  32 {
  33         at91rm9200_initialize(18432000, AT91RM9200_PQFP);
  34
  35         /* Setup the LEDs */
  36         at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
  37
  38         /* DBGU on ttyS0. (Rx & Tx only */
  39         at91_register_uart(0, 0, 0);
  40
  41         /* set serial console to ttyS0 (ie, DBGU) */
  42         at91_set_serial_console(0);
  43 }
  44
  45 static void __init eco920_init_irq(void)
  46 {
  47         at91rm9200_init_interrupts(NULL);
  48 }
  49
  50 static struct at91_eth_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 };
  58
  59 static struct at91_udc_data __initdata eco920_udc_data = {
  60         .vbus_pin       = AT91_PIN_PB12,
  61         .pullup_pin     = AT91_PIN_PB13,
  62 };
  63
  64 static struct at91_mmc_data __initdata eco920_mmc_data = {
  65         .slot_b         = 0,
  66         .wire4          = 0,
  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 resource at91_beeper_resources[] = {
  90         [0] = {
  91                 .start          = AT91RM9200_BASE_TC3,
  92                 .end            = AT91RM9200_BASE_TC3 + 0x39,
  93                 .flags          = IORESOURCE_MEM,
  94         },
  95 };
  96
  97 static struct platform_device at91_beeper = {
  98         .name           = "at91_beeper",
  99         .id             = 0,
 100         .resource       = at91_beeper_resources,
 101         .num_resources  = ARRAY_SIZE(at91_beeper_resources),
 102 };
 103
 104 static struct spi_board_info eco920_spi_devices[] = {
 105         {       /* CAN controller */
 106                 .modalias       = "tlv5638",
 107                 .chip_select    = 3,
 108                 .max_speed_hz   = 20 * 1000 * 1000,
 109                 .mode           = SPI_CPHA,
 110         },
 111 };
 112
 113 static void __init eco920_board_init(void)
 114 {
 115         at91_add_device_serial();
 116         at91_add_device_eth(&eco920_eth_data);
 117         at91_add_device_usbh(&eco920_usbh_data);
 118         at91_add_device_udc(&eco920_udc_data);
 119
 120         at91_add_device_mmc(0, &eco920_mmc_data);
 121         platform_device_register(&eco920_flash);
 122
 123         at91_sys_write(AT91_SMC_CSR(7), AT91_SMC_RWHOLD_(1)
 124                                 | AT91_SMC_RWSETUP_(1)
 125                                 | AT91_SMC_DBW_8
 126                                 | AT91_SMC_WSEN
 127                                 | AT91_SMC_NWS_(15));
 128
 129         at91_set_A_periph(AT91_PIN_PC6, 1);
 130
 131         at91_set_gpio_input(AT91_PIN_PA23, 0);
 132         at91_set_deglitch(AT91_PIN_PA23, 1);
 133
 134 /* Initialization of the Static Memory Controller for Chip Select 3 */
 135         at91_sys_write(AT91_SMC_CSR(3),
 136                 AT91_SMC_DBW_16  |      /* 16 bit */
 137                 AT91_SMC_WSEN    |
 138                 AT91_SMC_NWS_(5) |      /* wait states */
 139                 AT91_SMC_TDF_(1)        /* float time */
 140         );
 141
 142         at91_clock_associate("tc3_clk", &at91_beeper.dev, "at91_beeper");
 143         at91_set_B_periph(AT91_PIN_PB6, 0);
 144         platform_device_register(&at91_beeper);
 145
 146         at91_add_device_spi(eco920_spi_devices, ARRAY_SIZE(eco920_spi_devices));
 147 }
 148
 149 MACHINE_START(ECO920, "eco920")
 150         /* Maintainer: Sascha Hauer */
 151         .phys_io        = AT91_BASE_SYS,
 152         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 153         .boot_params    = AT91_SDRAM_BASE + 0x100,
 154         .timer          = &at91rm9200_timer,
 155         .map_io         = eco920_map_io,
 156         .init_irq       = eco920_init_irq,
 157         .init_machine   = eco920_board_init,
 158 MACHINE_END