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/at91_aic.h>
  47
  48 #include "board.h"
  49 #include "generic.h"
  50
  51
  52 static void __init afeb9260_init_early(void)
  53 {
  54         /* Initialize processor: 18.432 MHz crystal */
  55         at91_initialize(18432000);
  56 }
  57
  58 /*
  59  * USB Host port
  60  */
  61 static struct at91_usbh_data __initdata afeb9260_usbh_data = {
  62         .ports          = 1,
  63         .vbus_pin       = {-EINVAL, -EINVAL},
  64         .overcurrent_pin= {-EINVAL, -EINVAL},
  65 };
  66
  67 /*
  68  * USB Device port
  69  */
  70 static struct at91_udc_data __initdata afeb9260_udc_data = {
  71         .vbus_pin       = AT91_PIN_PC5,
  72         .pullup_pin     = -EINVAL,              /* pull-up driven by UDC */
  73 };
  74
  75
  76
  77 /*
  78  * SPI devices.
  79  */
  80 static struct spi_board_info afeb9260_spi_devices[] = {
  81         {       /* DataFlash chip */
  82                 .modalias       = "mtd_dataflash",
  83                 .chip_select    = 1,
  84                 .max_speed_hz   = 15 * 1000 * 1000,
  85                 .bus_num        = 0,
  86         },
  87 };
  88
  89
  90 /*
  91  * MACB Ethernet device
  92  */
  93 static struct macb_platform_data __initdata afeb9260_macb_data = {
  94         .phy_irq_pin    = AT91_PIN_PA9,
  95         .is_rmii        = 0,
  96 };
  97
  98
  99 /*
 100  * NAND flash
 101  */
 102 static struct mtd_partition __initdata afeb9260_nand_partition[] = {
 103         {
 104                 .name   = "bootloader",
 105                 .offset = 0,
 106                 .size   = (640 * SZ_1K),
 107         },
 108         {
 109                 .name   = "kernel",
 110                 .offset = MTDPART_OFS_NXTBLK,
 111                 .size   = SZ_2M,
 112         },
 113         {
 114                 .name   = "rootfs",
 115                 .offset = MTDPART_OFS_NXTBLK,
 116                 .size   = MTDPART_SIZ_FULL,
 117         },
 118 };
 119
 120 static struct atmel_nand_data __initdata afeb9260_nand_data = {
 121         .ale            = 21,
 122         .cle            = 22,
 123         .rdy_pin        = AT91_PIN_PC13,
 124         .enable_pin     = AT91_PIN_PC14,
 125         .bus_width_16   = 0,
 126         .ecc_mode       = NAND_ECC_SOFT,
 127         .parts          = afeb9260_nand_partition,
 128         .num_parts      = ARRAY_SIZE(afeb9260_nand_partition),
 129         .det_pin        = -EINVAL,
 130 };
 131
 132
 133 /*
 134  * MCI (SD/MMC)
 135  */
 136 static struct mci_platform_data __initdata afeb9260_mci0_data = {
 137         .slot[1] = {
 138                 .bus_width      = 4,
 139                 .detect_pin     = AT91_PIN_PC9,
 140                 .wp_pin         = AT91_PIN_PC4,
 141         },
 142 };
 143
 144
 145
 146 static struct i2c_board_info __initdata afeb9260_i2c_devices[] = {
 147         {
 148                 I2C_BOARD_INFO("tlv320aic23", 0x1a),
 149         }, {
 150                 I2C_BOARD_INFO("fm3130", 0x68),
 151         }, {
 152                 I2C_BOARD_INFO("24c64", 0x50),
 153         },
 154 };
 155
 156 /*
 157  * IDE (CF True IDE mode)
 158  */
 159 static struct at91_cf_data afeb9260_cf_data = {
 160         .chipselect = 4,
 161         .irq_pin    = AT91_PIN_PA6,
 162         .det_pin        = -EINVAL,
 163         .vcc_pin        = -EINVAL,
 164         .rst_pin    = AT91_PIN_PA7,
 165         .flags      = AT91_CF_TRUE_IDE,
 166 };
 167
 168 static void __init afeb9260_board_init(void)
 169 {
 170         /* Serial */
 171         /* DBGU on ttyS0. (Rx & Tx only) */
 172         at91_register_uart(0, 0, 0);
 173
 174         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
 175         at91_register_uart(AT91SAM9260_ID_US0, 1,
 176                              ATMEL_UART_CTS | ATMEL_UART_RTS
 177                            | ATMEL_UART_DTR | ATMEL_UART_DSR
 178                            | ATMEL_UART_DCD | ATMEL_UART_RI);
 179
 180         /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
 181         at91_register_uart(AT91SAM9260_ID_US1, 2,
 182                         ATMEL_UART_CTS | ATMEL_UART_RTS);
 183         at91_add_device_serial();
 184         /* USB Host */
 185         at91_add_device_usbh(&afeb9260_usbh_data);
 186         /* USB Device */
 187         at91_add_device_udc(&afeb9260_udc_data);
 188         /* SPI */
 189         at91_add_device_spi(afeb9260_spi_devices,
 190                         ARRAY_SIZE(afeb9260_spi_devices));
 191         /* NAND */
 192         at91_add_device_nand(&afeb9260_nand_data);
 193         /* Ethernet */
 194         at91_add_device_eth(&afeb9260_macb_data);
 195
 196         /* Standard function's pin assignments are not
 197          * appropriate for us and generic code provide
 198          * no API to configure these pins any other way */
 199         at91_set_B_periph(AT91_PIN_PA10, 0);    /* ETX2 */
 200         at91_set_B_periph(AT91_PIN_PA11, 0);    /* ETX3 */
 201         /* MMC */
 202         at91_add_device_mci(0, &afeb9260_mci0_data);
 203         /* I2C */
 204         at91_add_device_i2c(afeb9260_i2c_devices,
 205                         ARRAY_SIZE(afeb9260_i2c_devices));
 206         /* Audio */
 207         at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
 208         /* IDE */
 209         at91_add_device_cf(&afeb9260_cf_data);
 210 }
 211
 212 MACHINE_START(AFEB9260, "Custom afeb9260 board")
 213         /* Maintainer: Sergey Lapin <slapin@ossfans.org> */
 214         .timer          = &at91sam926x_timer,
 215         .map_io         = at91_map_io,
 216         .handle_irq     = at91_aic_handle_irq,
 217         .init_early     = afeb9260_init_early,
 218         .init_irq       = at91_init_irq_default,
 219         .init_machine   = afeb9260_board_init,
 220 MACHINE_END
 221