target/linux/at91/files/arch/arm/mach-at91/board-tqma9263.c

   1 /*
   2  *  Copyright (C) 2008 I2SE GmbH
   3  *  Copyright (C) 2010 IEQualize GmbH
   4  *  Copyright (C) 2010-2011 Michael Heimpold
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <linux/types.h>
  22 #include <linux/init.h>
  23 #include <linux/mm.h>
  24 #include <linux/module.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/fb.h>
  27
  28 #include <mach/hardware.h>
  29 #include <asm/setup.h>
  30 #include <asm/mach-types.h>
  31 #include <asm/irq.h>
  32
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35 #include <asm/mach/irq.h>
  36
  37 #include <mach/board.h>
  38 #include <mach/gpio.h>
  39 #include <mach/at91sam9_smc.h>
  40
  41 #include <video/atmel_lcdc.h>
  42
  43 #include "sam9_smc.h"
  44 #include "generic.h"
  45
  46 #include <linux/atmel_serial.h>
  47
  48
  49 static void __init tqma9263_map_io(void)
  50 {
  51         unsigned pins;
  52
  53         /* Initialize processor: 18.432 MHz crystal */
  54         at91_initialize(18432000);
  55
  56         /* DGBU on ttyS0. (Rx & Tx only) */
  57         at91_register_uart(0, 0, 0);
  58
  59         /* USART0 on ttyS1 */
  60         pins = ATMEL_UART_CTS | ATMEL_UART_RTS |
  61                ATMEL_UART_DSR | ATMEL_UART_DTR |
  62                ATMEL_UART_DCD | ATMEL_UART_RI;
  63         at91_register_uart(AT91SAM9263_ID_US0, 1, pins);
  64
  65         /* USART1 on ttyS2 */
  66         pins = ATMEL_UART_RTS;
  67         at91_register_uart(AT91SAM9263_ID_US1, 2, pins);
  68
  69         /* USART2 on ttyS3 */
  70         pins = ATMEL_UART_RTS;
  71         at91_register_uart(AT91SAM9263_ID_US2, 3, pins);
  72
  73         /* set serial console to ttyS0 (ie, DBGU) */
  74         at91_set_serial_console(0);
  75 }
  76
  77
  78 /*
  79  * USB Host port
  80  */
  81 static struct at91_usbh_data __initdata tqma9263_usbh_data = {
  82         .ports                  = 2,
  83         .vbus_pin               = { AT91_PIN_PA24, AT91_PIN_PA21 },
  84         .vbus_pin_active_low    = 0,
  85 };
  86
  87
  88 /*
  89  * USB Device port
  90  */
  91 static struct at91_udc_data __initdata tqma9263_udc_data = {
  92         .vbus_pin       = AT91_PIN_PA25,
  93         .pullup_pin     = 0,                    /* pull-up driven by UDC */
  94 };
  95
  96
  97 /*
  98  * MCI (SD/MMC)
  99  */
 100 static struct at91_mmc_data __initdata tqma9263_mmc_data = {
 101         .wire4          = 1,
 102         .det_pin        = AT91_PIN_PE18,
 103         .wp_pin         = AT91_PIN_PB28,
 104 };
 105
 106
 107 /*
 108  * MACB Ethernet device
 109  */
 110 static struct macb_platform_data __initdata tqma9263_macb_data = {
 111         .phy_irq_pin    = AT91_PIN_PE31,
 112         .is_rmii        = 1,
 113 };
 114
 115
 116 /*
 117  * I2C devices
 118  */
 119 static struct i2c_board_info __initdata tqma9263_i2c_devices[] = {
 120         {
 121                 I2C_BOARD_INFO("pcf8563", 0x51),
 122         },
 123         {
 124                 I2C_BOARD_INFO("24c04", 0x52),
 125         },
 126 };
 127
 128
 129 /*
 130  * NAND flash
 131  */
 132 static struct mtd_partition __initdata tqma9263_nand_partition[] = {
 133         {
 134                 .name   = "uboot",
 135                 .offset = 0,
 136                 .size   = 3 * SZ_128K,
 137         },
 138         {
 139                 .name   = "uboot-env",
 140                 .offset = MTDPART_OFS_NXTBLK,
 141                 .size   = SZ_128K,
 142         },
 143         {
 144                 .name   = "linux",
 145                 .offset = MTDPART_OFS_NXTBLK,
 146                 .size   = SZ_2M,
 147         },
 148         {
 149                 .name   = "rootfs",
 150                 .offset = MTDPART_OFS_NXTBLK,
 151                 .size   = MTDPART_SIZ_FULL,
 152         },
 153 };
 154
 155 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 156 {
 157         *num_partitions = ARRAY_SIZE(tqma9263_nand_partition);
 158         return tqma9263_nand_partition;
 159 }
 160
 161 static struct atmel_nand_data __initdata tqma9263_nand_data = {
 162         .ale                    = 21,
 163         .cle                    = 22,
 164         .rdy_pin                = AT91_PIN_PD14,
 165         .enable_pin             = AT91_PIN_PD15,
 166 };
 167
 168 static struct sam9_smc_config __initdata tqma9263_nand_smc_config = {
 169         .ncs_read_setup         = 0,
 170         .nrd_setup              = 1,
 171         .ncs_write_setup        = 0,
 172         .nwe_setup              = 1,
 173
 174         .ncs_read_pulse         = 3,
 175         .nrd_pulse              = 3,
 176         .ncs_write_pulse        = 3,
 177         .nwe_pulse              = 3,
 178
 179         .read_cycle             = 5,
 180         .write_cycle            = 5,
 181
 182         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
 183         .tdf_cycles             = 2,
 184 };
 185
 186 static void __init tqma9263_add_device_nand(void)
 187 {
 188         /* configure chip-select 3 (NAND) */
 189         sam9_smc_configure(0, 3, &tqma9263_nand_smc_config);
 190
 191         at91_add_device_nand(&tqma9263_nand_data);
 192 }
 193
 194
 195 static void __init tqma9263_board_init(void)
 196 {
 197         /* Serial */
 198         at91_add_device_serial();
 199         /* USB Host */
 200         at91_add_device_usbh(&tqma9263_usbh_data);
 201         /* USB Device */
 202         at91_add_device_udc(&tqma9263_udc_data);
 203         /* MMC */
 204         at91_add_device_mmc(1, &tqma9263_mmc_data);
 205         /* I2C */
 206         at91_add_device_i2c(tqma9263_i2c_devices, ARRAY_SIZE(tqma9263_i2c_devices));
 207         /* Ethernet */
 208         at91_add_device_eth(&tqma9263_macb_data);
 209         /* NAND flash */
 210         tqma9263_add_device_nand();
 211 }
 212
 213 MACHINE_START(TQMA9263, "TQ Components TQMa9263")
 214         /* Maintainer: Michael Heimpold */
 215         .timer          = &at91sam926x_timer,
 216         .map_io         = tqma9263_map_io,
 217         .init_irq       = at91_init_irq_default,
 218         .init_machine   = tqma9263_board_init,
 219 MACHINE_END