arch/arm/mach-at91/board-qil-a9260.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-qil-a9260.c
   3  *
   4  *  Copyright (C) 2005 SAN People
   5  *  Copyright (C) 2006 Atmel
   6  *  Copyright (C) 2007 Calao-systems
   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/gpio.h>
  25 #include <linux/init.h>
  26 #include <linux/mm.h>
  27 #include <linux/module.h>
  28 #include <linux/platform_device.h>
  29 #include <linux/spi/spi.h>
  30 #include <linux/gpio_keys.h>
  31 #include <linux/input.h>
  32 #include <linux/clk.h>
  33
  34 #include <asm/setup.h>
  35 #include <asm/mach-types.h>
  36 #include <asm/irq.h>
  37
  38 #include <asm/mach/arch.h>
  39 #include <asm/mach/map.h>
  40 #include <asm/mach/irq.h>
  41
  42 #include <mach/hardware.h>
  43 #include <mach/board.h>
  44 #include <mach/at91sam9_smc.h>
  45 #include <mach/at91_shdwc.h>
  46
  47 #include "sam9_smc.h"
  48 #include "generic.h"
  49
  50
  51 static void __init ek_init_early(void)
  52 {
  53         /* Initialize processor: 12.000 MHz crystal */
  54         at91_initialize(12000000);
  55
  56         /* DBGU on ttyS0. (Rx & Tx only) */
  57         at91_register_uart(0, 0, 0);
  58
  59         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
  60         at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
  61                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
  62                            | ATMEL_UART_RI);
  63
  64         /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
  65         at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
  66
  67         /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
  68         at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
  69
  70         /* set serial console to ttyS1 (ie, USART0) */
  71         at91_set_serial_console(1);
  72
  73 }
  74
  75 /*
  76  * USB Host port
  77  */
  78 static struct at91_usbh_data __initdata ek_usbh_data = {
  79         .ports          = 2,
  80 };
  81
  82 /*
  83  * USB Device port
  84  */
  85 static struct at91_udc_data __initdata ek_udc_data = {
  86         .vbus_pin       = AT91_PIN_PC5,
  87         .pullup_pin     = 0,            /* pull-up driven by UDC */
  88 };
  89
  90 /*
  91  * SPI devices.
  92  */
  93 static struct spi_board_info ek_spi_devices[] = {
  94 #if defined(CONFIG_RTC_DRV_M41T94)
  95         {       /* M41T94 RTC */
  96                 .modalias       = "m41t94",
  97                 .chip_select    = 0,
  98                 .max_speed_hz   = 1 * 1000 * 1000,
  99                 .bus_num        = 0,
 100         }
 101 #endif
 102 };
 103
 104 /*
 105  * MACB Ethernet device
 106  */
 107 static struct at91_eth_data __initdata ek_macb_data = {
 108         .phy_irq_pin    = AT91_PIN_PA31,
 109         .is_rmii        = 1,
 110 };
 111
 112 /*
 113  * NAND flash
 114  */
 115 static struct mtd_partition __initdata ek_nand_partition[] = {
 116         {
 117                 .name   = "Uboot & Kernel",
 118                 .offset = 0,
 119                 .size   = SZ_16M,
 120         },
 121         {
 122                 .name   = "Root FS",
 123                 .offset = MTDPART_OFS_NXTBLK,
 124                 .size   = 120 * SZ_1M,
 125         },
 126         {
 127                 .name   = "FS",
 128                 .offset = MTDPART_OFS_NXTBLK,
 129                 .size   = 120 * SZ_1M,
 130         },
 131 };
 132
 133 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 134 {
 135         *num_partitions = ARRAY_SIZE(ek_nand_partition);
 136         return ek_nand_partition;
 137 }
 138
 139 static struct atmel_nand_data __initdata ek_nand_data = {
 140         .ale            = 21,
 141         .cle            = 22,
 142 //      .det_pin        = ... not connected
 143         .rdy_pin        = AT91_PIN_PC13,
 144         .enable_pin     = AT91_PIN_PC14,
 145         .partition_info = nand_partitions,
 146 };
 147
 148 static struct sam9_smc_config __initdata ek_nand_smc_config = {
 149         .ncs_read_setup         = 0,
 150         .nrd_setup              = 1,
 151         .ncs_write_setup        = 0,
 152         .nwe_setup              = 1,
 153
 154         .ncs_read_pulse         = 3,
 155         .nrd_pulse              = 3,
 156         .ncs_write_pulse        = 3,
 157         .nwe_pulse              = 3,
 158
 159         .read_cycle             = 5,
 160         .write_cycle            = 5,
 161
 162         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
 163         .tdf_cycles             = 2,
 164 };
 165
 166 static void __init ek_add_device_nand(void)
 167 {
 168         /* configure chip-select 3 (NAND) */
 169         sam9_smc_configure(3, &ek_nand_smc_config);
 170
 171         at91_add_device_nand(&ek_nand_data);
 172 }
 173
 174 /*
 175  * MCI (SD/MMC)
 176  */
 177 static struct at91_mmc_data __initdata ek_mmc_data = {
 178         .slot_b         = 0,
 179         .wire4          = 1,
 180 //      .det_pin        = ... not connected
 181 //      .wp_pin         = ... not connected
 182 //      .vcc_pin        = ... not connected
 183 };
 184
 185 /*
 186  * GPIO Buttons
 187  */
 188 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 189 static struct gpio_keys_button ek_buttons[] = {
 190         {       /* USER PUSH BUTTON */
 191                 .code           = KEY_ENTER,
 192                 .gpio           = AT91_PIN_PB10,
 193                 .active_low     = 1,
 194                 .desc           = "user_pb",
 195                 .wakeup         = 1,
 196         }
 197 };
 198
 199 static struct gpio_keys_platform_data ek_button_data = {
 200         .buttons        = ek_buttons,
 201         .nbuttons       = ARRAY_SIZE(ek_buttons),
 202 };
 203
 204 static struct platform_device ek_button_device = {
 205         .name           = "gpio-keys",
 206         .id             = -1,
 207         .num_resources  = 0,
 208         .dev            = {
 209                 .platform_data  = &ek_button_data,
 210         }
 211 };
 212
 213 static void __init ek_add_device_buttons(void)
 214 {
 215         at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
 216         at91_set_deglitch(AT91_PIN_PB10, 1);
 217
 218         platform_device_register(&ek_button_device);
 219 }
 220 #else
 221 static void __init ek_add_device_buttons(void) {}
 222 #endif
 223
 224 /*
 225  * LEDs
 226  */
 227 static struct gpio_led ek_leds[] = {
 228         {       /* user_led (green) */
 229                 .name                   = "user_led",
 230                 .gpio                   = AT91_PIN_PB21,
 231                 .active_low             = 0,
 232                 .default_trigger        = "heartbeat",
 233         }
 234 };
 235
 236 static void __init ek_board_init(void)
 237 {
 238         /* Serial */
 239         at91_add_device_serial();
 240         /* USB Host */
 241         at91_add_device_usbh(&ek_usbh_data);
 242         /* USB Device */
 243         at91_add_device_udc(&ek_udc_data);
 244         /* SPI */
 245         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 246         /* NAND */
 247         ek_add_device_nand();
 248         /* I2C */
 249         at91_add_device_i2c(NULL, 0);
 250         /* Ethernet */
 251         at91_add_device_eth(&ek_macb_data);
 252         /* MMC */
 253         at91_add_device_mmc(0, &ek_mmc_data);
 254         /* Push Buttons */
 255         ek_add_device_buttons();
 256         /* LEDs */
 257         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
 258         /* shutdown controller, wakeup button (5 msec low) */
 259         at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
 260                                 | AT91_SHDW_RTTWKEN);
 261 }
 262
 263 MACHINE_START(QIL_A9260, "CALAO QIL_A9260")
 264         /* Maintainer: calao-systems */
 265         .timer          = &at91sam926x_timer,
 266         .map_io         = at91_map_io,
 267         .init_early     = ek_init_early,
 268         .init_irq       = at91_init_irq_default,
 269         .init_machine   = ek_board_init,
 270 MACHINE_END