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/gpio.h>
  29 #include <linux/init.h>
  30 #include <linux/mm.h>
  31 #include <linux/module.h>
  32 #include <linux/platform_device.h>
  33 #include <linux/spi/spi.h>
  34 #include <linux/clk.h>
  35 #include <linux/dma-mapping.h>
  36
  37 #include <mach/hardware.h>
  38 #include <asm/setup.h>
  39 #include <asm/mach-types.h>
  40 #include <asm/irq.h>
  41
  42 #include <asm/mach/arch.h>
  43 #include <asm/mach/map.h>
  44 #include <asm/mach/irq.h>
  45
  46 #include <mach/board.h>
  47
  48 #include "generic.h"
  49
  50
  51 static void __init afeb9260_init_early(void)
  52 {
  53         /* Initialize processor: 18.432 MHz crystal */
  54         at91_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 /*
  74  * USB Host port
  75  */
  76 static struct at91_usbh_data __initdata afeb9260_usbh_data = {
  77         .ports          = 1,
  78 };
  79
  80 /*
  81  * USB Device port
  82  */
  83 static struct at91_udc_data __initdata afeb9260_udc_data = {
  84         .vbus_pin       = AT91_PIN_PC5,
  85         .pullup_pin     = 0,            /* pull-up driven by UDC */
  86 };
  87
  88
  89
  90 /*
  91  * SPI devices.
  92  */
  93 static struct spi_board_info afeb9260_spi_devices[] = {
  94         {       /* DataFlash chip */
  95                 .modalias       = "mtd_dataflash",
  96                 .chip_select    = 1,
  97                 .max_speed_hz   = 15 * 1000 * 1000,
  98                 .bus_num        = 0,
  99         },
 100 };
 101
 102
 103 /*
 104  * MACB Ethernet device
 105  */
 106 static struct at91_eth_data __initdata afeb9260_macb_data = {
 107         .phy_irq_pin    = AT91_PIN_PA9,
 108         .is_rmii        = 0,
 109 };
 110
 111
 112 /*
 113  * NAND flash
 114  */
 115 static struct mtd_partition __initdata afeb9260_nand_partition[] = {
 116         {
 117                 .name   = "bootloader",
 118                 .offset = 0,
 119                 .size   = (640 * SZ_1K),
 120         },
 121         {
 122                 .name   = "kernel",
 123                 .offset = MTDPART_OFS_NXTBLK,
 124                 .size   = SZ_2M,
 125         },
 126         {
 127                 .name   = "rootfs",
 128                 .offset = MTDPART_OFS_NXTBLK,
 129                 .size   = MTDPART_SIZ_FULL,
 130         },
 131 };
 132
 133 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 134 {
 135         *num_partitions = ARRAY_SIZE(afeb9260_nand_partition);
 136         return afeb9260_nand_partition;
 137 }
 138
 139 static struct atmel_nand_data __initdata afeb9260_nand_data = {
 140         .ale            = 21,
 141         .cle            = 22,
 142         .rdy_pin        = AT91_PIN_PC13,
 143         .enable_pin     = AT91_PIN_PC14,
 144         .partition_info = nand_partitions,
 145         .bus_width_16   = 0,
 146 };
 147
 148
 149 /*
 150  * MCI (SD/MMC)
 151  */
 152 static struct at91_mmc_data __initdata afeb9260_mmc_data = {
 153         .det_pin        = AT91_PIN_PC9,
 154         .wp_pin         = AT91_PIN_PC4,
 155         .slot_b         = 1,
 156         .wire4          = 1,
 157 };
 158
 159
 160
 161 static struct i2c_board_info __initdata afeb9260_i2c_devices[] = {
 162         {
 163                 I2C_BOARD_INFO("tlv320aic23", 0x1a),
 164         }, {
 165                 I2C_BOARD_INFO("fm3130", 0x68),
 166         }, {
 167                 I2C_BOARD_INFO("24c64", 0x50),
 168         },
 169 };
 170
 171 /*
 172  * IDE (CF True IDE mode)
 173  */
 174 static struct at91_cf_data afeb9260_cf_data = {
 175         .chipselect = 4,
 176         .irq_pin    = AT91_PIN_PA6,
 177         .rst_pin    = AT91_PIN_PA7,
 178         .flags      = AT91_CF_TRUE_IDE,
 179 };
 180
 181 static void __init afeb9260_board_init(void)
 182 {
 183         /* Serial */
 184         at91_add_device_serial();
 185         /* USB Host */
 186         at91_add_device_usbh(&afeb9260_usbh_data);
 187         /* USB Device */
 188         at91_add_device_udc(&afeb9260_udc_data);
 189         /* SPI */
 190         at91_add_device_spi(afeb9260_spi_devices,
 191                         ARRAY_SIZE(afeb9260_spi_devices));
 192         /* NAND */
 193         at91_add_device_nand(&afeb9260_nand_data);
 194         /* Ethernet */
 195         at91_add_device_eth(&afeb9260_macb_data);
 196
 197         /* Standard function's pin assignments are not
 198          * appropriate for us and generic code provide
 199          * no API to configure these pins any other way */
 200         at91_set_B_periph(AT91_PIN_PA10, 0);    /* ETX2 */
 201         at91_set_B_periph(AT91_PIN_PA11, 0);    /* ETX3 */
 202         /* MMC */
 203         at91_add_device_mmc(0, &afeb9260_mmc_data);
 204         /* I2C */
 205         at91_add_device_i2c(afeb9260_i2c_devices,
 206                         ARRAY_SIZE(afeb9260_i2c_devices));
 207         /* Audio */
 208         at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
 209         /* IDE */
 210         at91_add_device_cf(&afeb9260_cf_data);
 211 }
 212
 213 MACHINE_START(AFEB9260, "Custom afeb9260 board")
 214         /* Maintainer: Sergey Lapin <slapin@ossfans.org> */
 215         .timer          = &at91sam926x_timer,
 216         .map_io         = at91_map_io,
 217         .init_early     = afeb9260_init_early,
 218         .init_irq       = at91_init_irq_default,
 219         .init_machine   = afeb9260_board_init,
 220 MACHINE_END
 221