release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-at91/board-afeb-9260v1.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-afeb-9260v1.c
   3  *
   4  *  Copyright (C) 2005 SAN People
   5  *  Copyright (C) 2006 Atmel
   6  *  Copyright (C) 2008 Sergey Lapin
   7  *
   8  * A custom board designed as open hardware; PCBs and various information
   9  * is available at http://groups.google.com/group/arm9fpga-evolution-board/
  10  * Subversion repository: svn://194.85.238.22/home/users/george/svn/arm9eb
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; if not, write to the Free Software
  24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  25  */
  26
  27 #include <linux/types.h>
  28 #include <linux/init.h>
  29 #include <linux/mm.h>
  30 #include <linux/module.h>
  31 #include <linux/platform_device.h>
  32 #include <linux/spi/spi.h>
  33 #include <linux/clk.h>
  34 #include <linux/dma-mapping.h>
  35
  36 #include <mach/hardware.h>
  37 #include <asm/setup.h>
  38 #include <asm/mach-types.h>
  39 #include <asm/irq.h>
  40
  41 #include <asm/mach/arch.h>
  42 #include <asm/mach/map.h>
  43 #include <asm/mach/irq.h>
  44
  45 #include <mach/board.h>
  46 #include <mach/gpio.h>
  47
  48 #include "generic.h"
  49
  50
  51 static void __init afeb9260_map_io(void)
  52 {
  53         /* Initialize processor: 18.432 MHz crystal */
  54         at91sam9260_initialize(18432000);
  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,
  61                              ATMEL_UART_CTS | ATMEL_UART_RTS
  62                            | ATMEL_UART_DTR | ATMEL_UART_DSR
  63                            | ATMEL_UART_DCD | ATMEL_UART_RI);
  64
  65         /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
  66         at91_register_uart(AT91SAM9260_ID_US1, 2,
  67                         ATMEL_UART_CTS | ATMEL_UART_RTS);
  68
  69         /* set serial console to ttyS0 (ie, DBGU) */
  70         at91_set_serial_console(0);
  71 }
  72
  73 static void __init afeb9260_init_irq(void)
  74 {
  75         at91sam9260_init_interrupts(NULL);
  76 }
  77
  78
  79 /*
  80  * USB Host port
  81  */
  82 static struct at91_usbh_data __initdata afeb9260_usbh_data = {
  83         .ports          = 1,
  84 };
  85
  86 /*
  87  * USB Device port
  88  */
  89 static struct at91_udc_data __initdata afeb9260_udc_data = {
  90         .vbus_pin       = AT91_PIN_PC5,
  91         .pullup_pin     = 0,            /* pull-up driven by UDC */
  92 };
  93
  94
  95
  96 /*
  97  * SPI devices.
  98  */
  99 static struct spi_board_info afeb9260_spi_devices[] = {
 100         {       /* DataFlash chip */
 101                 .modalias       = "mtd_dataflash",
 102                 .chip_select    = 1,
 103                 .max_speed_hz   = 15 * 1000 * 1000,
 104                 .bus_num        = 0,
 105         },
 106 };
 107
 108
 109 /*
 110  * MACB Ethernet device
 111  */
 112 static struct at91_eth_data __initdata afeb9260_macb_data = {
 113         .phy_irq_pin    = AT91_PIN_PA9,
 114         .is_rmii        = 0,
 115 };
 116
 117
 118 /*
 119  * NAND flash
 120  */
 121 static struct mtd_partition __initdata afeb9260_nand_partition[] = {
 122         {
 123                 .name   = "bootloader",
 124                 .offset = 0,
 125                 .size   = (640 * SZ_1K),
 126         },
 127         {
 128                 .name   = "kernel",
 129                 .offset = MTDPART_OFS_NXTBLK,
 130                 .size   = SZ_2M,
 131         },
 132         {
 133                 .name   = "rootfs",
 134                 .offset = MTDPART_OFS_NXTBLK,
 135                 .size   = MTDPART_SIZ_FULL,
 136         },
 137 };
 138
 139 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 140 {
 141         *num_partitions = ARRAY_SIZE(afeb9260_nand_partition);
 142         return afeb9260_nand_partition;
 143 }
 144
 145 static struct atmel_nand_data __initdata afeb9260_nand_data = {
 146         .ale            = 21,
 147         .cle            = 22,
 148         .rdy_pin        = AT91_PIN_PC13,
 149         .enable_pin     = AT91_PIN_PC14,
 150         .partition_info = nand_partitions,
 151         .bus_width_16   = 0,
 152 };
 153
 154
 155 /*
 156  * MCI (SD/MMC)
 157  */
 158 static struct at91_mmc_data __initdata afeb9260_mmc_data = {
 159         .det_pin        = AT91_PIN_PC9,
 160         .wp_pin         = AT91_PIN_PC4,
 161         .slot_b         = 1,
 162         .wire4          = 1,
 163 };
 164
 165
 166
 167 static struct i2c_board_info __initdata afeb9260_i2c_devices[] = {
 168         {
 169                 I2C_BOARD_INFO("tlv320aic23", 0x1a),
 170         }, {
 171                 I2C_BOARD_INFO("fm3130", 0x68),
 172         }, {
 173                 I2C_BOARD_INFO("24c64", 0x50),
 174         },
 175 };
 176
 177 /*
 178  * IDE (CF True IDE mode)
 179  */
 180 static struct at91_cf_data afeb9260_cf_data = {
 181         .chipselect = 4,
 182         .irq_pin    = AT91_PIN_PA6,
 183         .rst_pin    = AT91_PIN_PA7,
 184         .flags      = AT91_CF_TRUE_IDE,
 185 };
 186
 187 static void __init afeb9260_board_init(void)
 188 {
 189         /* Serial */
 190         at91_add_device_serial();
 191         /* USB Host */
 192         at91_add_device_usbh(&afeb9260_usbh_data);
 193         /* USB Device */
 194         at91_add_device_udc(&afeb9260_udc_data);
 195         /* SPI */
 196         at91_add_device_spi(afeb9260_spi_devices,
 197                         ARRAY_SIZE(afeb9260_spi_devices));
 198         /* NAND */
 199         at91_add_device_nand(&afeb9260_nand_data);
 200         /* Ethernet */
 201         at91_add_device_eth(&afeb9260_macb_data);
 202
 203         /* Standard function's pin assignments are not
 204          * appropriate for us and generic code provide
 205          * no API to configure these pins any other way */
 206         at91_set_B_periph(AT91_PIN_PA10, 0);    /* ETX2 */
 207         at91_set_B_periph(AT91_PIN_PA11, 0);    /* ETX3 */
 208         /* MMC */
 209         at91_add_device_mmc(0, &afeb9260_mmc_data);
 210         /* I2C */
 211         at91_add_device_i2c(afeb9260_i2c_devices,
 212                         ARRAY_SIZE(afeb9260_i2c_devices));
 213         /* Audio */
 214         at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
 215         /* IDE */
 216         at91_add_device_cf(&afeb9260_cf_data);
 217 }
 218
 219 MACHINE_START(AFEB9260, "Custom afeb9260 board")
 220         /* Maintainer: Sergey Lapin <slapin@ossfans.org> */
 221         .phys_io        = AT91_BASE_SYS,
 222         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
 223         .boot_params    = AT91_SDRAM_BASE + 0x100,
 224         .timer          = &at91sam926x_timer,
 225         .map_io         = afeb9260_map_io,
 226         .init_irq       = afeb9260_init_irq,
 227         .init_machine   = afeb9260_board_init,
 228 MACHINE_END