arch/arm/mach-at91/board-sam9-l9260.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-sam9-l9260.c
   3  *
   4  *  Copyright (C) 2005 SAN People
   5  *  Copyright (C) 2006 Atmel
   6  *  Copyright (C) 2007 Olimex Ltd
   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
  31 #include <mach/hardware.h>
  32 #include <asm/setup.h>
  33 #include <asm/mach-types.h>
  34 #include <asm/irq.h>
  35
  36 #include <asm/mach/arch.h>
  37 #include <asm/mach/map.h>
  38 #include <asm/mach/irq.h>
  39
  40 #include <mach/board.h>
  41 #include <mach/at91sam9_smc.h>
  42
  43 #include "sam9_smc.h"
  44 #include "generic.h"
  45
  46
  47 static void __init ek_init_early(void)
  48 {
  49         /* Initialize processor: 18.432 MHz crystal */
  50         at91_initialize(18432000);
  51
  52         /* Setup the LEDs */
  53         at91_init_leds(AT91_PIN_PA9, AT91_PIN_PA6);
  54
  55         /* DBGU on ttyS0. (Rx & Tx only) */
  56         at91_register_uart(0, 0, 0);
  57
  58         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
  59         at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
  60                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
  61                            | ATMEL_UART_RI);
  62
  63         /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
  64         at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
  65
  66         /* set serial console to ttyS0 (ie, DBGU) */
  67         at91_set_serial_console(0);
  68 }
  69
  70 /*
  71  * USB Host port
  72  */
  73 static struct at91_usbh_data __initdata ek_usbh_data = {
  74         .ports          = 2,
  75         .vbus_pin       = {-EINVAL, -EINVAL},
  76         .overcurrent_pin= {-EINVAL, -EINVAL},
  77 };
  78
  79 /*
  80  * USB Device port
  81  */
  82 static struct at91_udc_data __initdata ek_udc_data = {
  83         .vbus_pin       = AT91_PIN_PC5,
  84         .pullup_pin     = -EINVAL,              /* pull-up driven by UDC */
  85 };
  86
  87
  88 /*
  89  * SPI devices.
  90  */
  91 static struct spi_board_info ek_spi_devices[] = {
  92 #if !defined(CONFIG_MMC_AT91)
  93         {       /* DataFlash chip */
  94                 .modalias       = "mtd_dataflash",
  95                 .chip_select    = 1,
  96                 .max_speed_hz   = 15 * 1000 * 1000,
  97                 .bus_num        = 0,
  98         },
  99 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
 100         {       /* DataFlash card */
 101                 .modalias       = "mtd_dataflash",
 102                 .chip_select    = 0,
 103                 .max_speed_hz   = 15 * 1000 * 1000,
 104                 .bus_num        = 0,
 105         },
 106 #endif
 107 #endif
 108 };
 109
 110
 111 /*
 112  * MACB Ethernet device
 113  */
 114 static struct macb_platform_data __initdata ek_macb_data = {
 115         .phy_irq_pin    = AT91_PIN_PA7,
 116         .is_rmii        = 0,
 117 };
 118
 119
 120 /*
 121  * NAND flash
 122  */
 123 static struct mtd_partition __initdata ek_nand_partition[] = {
 124         {
 125                 .name   = "Bootloader Area",
 126                 .offset = 0,
 127                 .size   = 10 * SZ_1M,
 128         },
 129         {
 130                 .name   = "User Area",
 131                 .offset = MTDPART_OFS_NXTBLK,
 132                 .size   = MTDPART_SIZ_FULL,
 133         },
 134 };
 135
 136 static struct atmel_nand_data __initdata ek_nand_data = {
 137         .ale            = 21,
 138         .cle            = 22,
 139         .det_pin        = -EINVAL,
 140         .rdy_pin        = AT91_PIN_PC13,
 141         .enable_pin     = AT91_PIN_PC14,
 142         .parts          = ek_nand_partition,
 143         .num_parts      = ARRAY_SIZE(ek_nand_partition),
 144 };
 145
 146 static struct sam9_smc_config __initdata ek_nand_smc_config = {
 147         .ncs_read_setup         = 0,
 148         .nrd_setup              = 1,
 149         .ncs_write_setup        = 0,
 150         .nwe_setup              = 1,
 151
 152         .ncs_read_pulse         = 3,
 153         .nrd_pulse              = 3,
 154         .ncs_write_pulse        = 3,
 155         .nwe_pulse              = 3,
 156
 157         .read_cycle             = 5,
 158         .write_cycle            = 5,
 159
 160         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
 161         .tdf_cycles             = 2,
 162 };
 163
 164 static void __init ek_add_device_nand(void)
 165 {
 166         /* configure chip-select 3 (NAND) */
 167         sam9_smc_configure(0, 3, &ek_nand_smc_config);
 168
 169         at91_add_device_nand(&ek_nand_data);
 170 }
 171
 172
 173 /*
 174  * MCI (SD/MMC)
 175  */
 176 static struct at91_mmc_data __initdata ek_mmc_data = {
 177         .slot_b         = 1,
 178         .wire4          = 1,
 179         .det_pin        = AT91_PIN_PC8,
 180         .wp_pin         = AT91_PIN_PC4,
 181         .vcc_pin        = -EINVAL,
 182 };
 183
 184 static void __init ek_board_init(void)
 185 {
 186         /* Serial */
 187         at91_add_device_serial();
 188         /* USB Host */
 189         at91_add_device_usbh(&ek_usbh_data);
 190         /* USB Device */
 191         at91_add_device_udc(&ek_udc_data);
 192         /* SPI */
 193         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 194         /* NAND */
 195         ek_add_device_nand();
 196         /* Ethernet */
 197         at91_add_device_eth(&ek_macb_data);
 198         /* MMC */
 199         at91_add_device_mmc(0, &ek_mmc_data);
 200         /* I2C */
 201         at91_add_device_i2c(NULL, 0);
 202 }
 203
 204 MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260")
 205         /* Maintainer: Olimex */
 206         .timer          = &at91sam926x_timer,
 207         .map_io         = at91_map_io,
 208         .init_early     = ek_init_early,
 209         .init_irq       = at91_init_irq_default,
 210         .init_machine   = ek_board_init,
 211 MACHINE_END