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/init.h>
  25 #include <linux/mm.h>
  26 #include <linux/module.h>
  27 #include <linux/platform_device.h>
  28 #include <linux/spi/spi.h>
  29
  30 #include <asm/hardware.h>
  31 #include <asm/setup.h>
  32 #include <asm/mach-types.h>
  33 #include <asm/irq.h>
  34
  35 #include <asm/mach/arch.h>
  36 #include <asm/mach/map.h>
  37 #include <asm/mach/irq.h>
  38
  39 #include <asm/arch/board.h>
  40 #include <asm/arch/gpio.h>
  41
  42 #include "generic.h"
  43
  44
  45 static void __init ek_map_io(void)
  46 {
  47         /* Initialize processor: 18.432 MHz crystal */
  48         at91sam9260_initialize(18432000);
  49
  50         /* Setup the LEDs */
  51         at91_init_leds(AT91_PIN_PA9, AT91_PIN_PA6);
  52
  53         /* DBGU on ttyS0. (Rx & Tx only) */
  54         at91_register_uart(0, 0, 0);
  55
  56         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
  57         at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
  58                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
  59                            | ATMEL_UART_RI);
  60
  61         /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
  62         at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
  63
  64         /* set serial console to ttyS0 (ie, DBGU) */
  65         at91_set_serial_console(0);
  66 }
  67
  68 static void __init ek_init_irq(void)
  69 {
  70         at91sam9260_init_interrupts(NULL);
  71 }
  72
  73
  74 /*
  75  * USB Host port
  76  */
  77 static struct at91_usbh_data __initdata ek_usbh_data = {
  78         .ports          = 2,
  79 };
  80
  81 /*
  82  * USB Device port
  83  */
  84 static struct at91_udc_data __initdata ek_udc_data = {
  85         .vbus_pin       = AT91_PIN_PC5,
  86         .pullup_pin     = 0,            /* pull-up driven by UDC */
  87 };
  88
  89
  90 /*
  91  * SPI devices.
  92  */
  93 static struct spi_board_info ek_spi_devices[] = {
  94 #if !defined(CONFIG_MMC_AT91)
  95         {       /* DataFlash chip */
  96                 .modalias       = "mtd_dataflash",
  97                 .chip_select    = 1,
  98                 .max_speed_hz   = 15 * 1000 * 1000,
  99                 .bus_num        = 0,
 100         },
 101 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
 102         {       /* DataFlash card */
 103                 .modalias       = "mtd_dataflash",
 104                 .chip_select    = 0,
 105                 .max_speed_hz   = 15 * 1000 * 1000,
 106                 .bus_num        = 0,
 107         },
 108 #endif
 109 #endif
 110 };
 111
 112
 113 /*
 114  * MACB Ethernet device
 115  */
 116 static struct at91_eth_data __initdata ek_macb_data = {
 117         .phy_irq_pin    = AT91_PIN_PA7,
 118         .is_rmii        = 0,
 119 };
 120
 121
 122 /*
 123  * NAND flash
 124  */
 125 static struct mtd_partition __initdata ek_nand_partition[] = {
 126         {
 127                 .name   = "Bootloader Area",
 128                 .offset = 0,
 129                 .size   = 10 * 1024 * 1024,
 130         },
 131         {
 132                 .name   = "User Area",
 133                 .offset = 10 * 1024 * 1024,
 134                 .size   = MTDPART_SIZ_FULL,
 135         },
 136 };
 137
 138 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 139 {
 140         *num_partitions = ARRAY_SIZE(ek_nand_partition);
 141         return ek_nand_partition;
 142 }
 143
 144 static struct at91_nand_data __initdata ek_nand_data = {
 145         .ale            = 21,
 146         .cle            = 22,
 147 //      .det_pin        = ... not connected
 148         .rdy_pin        = AT91_PIN_PC13,
 149         .enable_pin     = AT91_PIN_PC14,
 150         .partition_info = nand_partitions,
 151 #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
 152         .bus_width_16   = 1,
 153 #else
 154         .bus_width_16   = 0,
 155 #endif
 156 };
 157
 158
 159 /*
 160  * MCI (SD/MMC)
 161  */
 162 static struct at91_mmc_data __initdata ek_mmc_data = {
 163         .slot_b         = 1,
 164         .wire4          = 1,
 165         .det_pin        = AT91_PIN_PC8,
 166         .wp_pin         = AT91_PIN_PC4,
 167 //      .vcc_pin        = ... not connected
 168 };
 169
 170 static void __init ek_board_init(void)
 171 {
 172         /* Serial */
 173         at91_add_device_serial();
 174         /* USB Host */
 175         at91_add_device_usbh(&ek_usbh_data);
 176         /* USB Device */
 177         at91_add_device_udc(&ek_udc_data);
 178         /* SPI */
 179         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
 180         /* NAND */
 181         at91_add_device_nand(&ek_nand_data);
 182         /* Ethernet */
 183         at91_add_device_eth(&ek_macb_data);
 184         /* MMC */
 185         at91_add_device_mmc(0, &ek_mmc_data);
 186         /* I2C */
 187         at91_add_device_i2c(NULL, 0);
 188 }
 189
 190 MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260")
 191         /* Maintainer: Olimex */
 192         .phys_io        = AT91_BASE_SYS,
 193         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 194         .boot_params    = AT91_SDRAM_BASE + 0x100,
 195         .timer          = &at91sam926x_timer,
 196         .map_io         = ek_map_io,
 197         .init_irq       = ek_init_irq,
 198         .init_machine   = ek_board_init,
 199 MACHINE_END