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 "at91_aic.h"
  47 #include "board.h"
  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
  57 /*
  58  * USB Host port
  59  */
  60 static struct at91_usbh_data __initdata afeb9260_usbh_data = {
  61         .ports          = 1,
  62         .vbus_pin       = {-EINVAL, -EINVAL},
  63         .overcurrent_pin= {-EINVAL, -EINVAL},
  64 };
  65
  66 /*
  67  * USB Device port
  68  */
  69 static struct at91_udc_data __initdata afeb9260_udc_data = {
  70         .vbus_pin       = AT91_PIN_PC5,
  71         .pullup_pin     = -EINVAL,              /* pull-up driven by UDC */
  72 };
  73
  74
  75
  76 /*
  77  * SPI devices.
  78  */
  79 static struct spi_board_info afeb9260_spi_devices[] = {
  80         {       /* DataFlash chip */
  81                 .modalias       = "mtd_dataflash",
  82                 .chip_select    = 1,
  83                 .max_speed_hz   = 15 * 1000 * 1000,
  84                 .bus_num        = 0,
  85         },
  86 };
  87
  88
  89 /*
  90  * MACB Ethernet device
  91  */
  92 static struct macb_platform_data __initdata afeb9260_macb_data = {
  93         .phy_irq_pin    = AT91_PIN_PA9,
  94         .is_rmii        = 0,
  95 };
  96
  97
  98 /*
  99  * NAND flash
 100  */
 101 static struct mtd_partition __initdata afeb9260_nand_partition[] = {
 102         {
 103                 .name   = "bootloader",
 104                 .offset = 0,
 105                 .size   = (640 * SZ_1K),
 106         },
 107         {
 108                 .name   = "kernel",
 109                 .offset = MTDPART_OFS_NXTBLK,
 110                 .size   = SZ_2M,
 111         },
 112         {
 113                 .name   = "rootfs",
 114                 .offset = MTDPART_OFS_NXTBLK,
 115                 .size   = MTDPART_SIZ_FULL,
 116         },
 117 };
 118
 119 static struct atmel_nand_data __initdata afeb9260_nand_data = {
 120         .ale            = 21,
 121         .cle            = 22,
 122         .rdy_pin        = AT91_PIN_PC13,
 123         .enable_pin     = AT91_PIN_PC14,
 124         .bus_width_16   = 0,
 125         .ecc_mode       = NAND_ECC_SOFT,
 126         .parts          = afeb9260_nand_partition,
 127         .num_parts      = ARRAY_SIZE(afeb9260_nand_partition),
 128         .det_pin        = -EINVAL,
 129 };
 130
 131
 132 /*
 133  * MCI (SD/MMC)
 134  */
 135 static struct mci_platform_data __initdata afeb9260_mci0_data = {
 136         .slot[1] = {
 137                 .bus_width      = 4,
 138                 .detect_pin     = AT91_PIN_PC9,
 139                 .wp_pin         = AT91_PIN_PC4,
 140         },
 141 };
 142
 143
 144
 145 static struct i2c_board_info __initdata afeb9260_i2c_devices[] = {
 146         {
 147                 I2C_BOARD_INFO("tlv320aic23", 0x1a),
 148         }, {
 149                 I2C_BOARD_INFO("fm3130", 0x68),
 150         }, {
 151                 I2C_BOARD_INFO("24c64", 0x50),
 152         },
 153 };
 154
 155 /*
 156  * IDE (CF True IDE mode)
 157  */
 158 static struct at91_cf_data afeb9260_cf_data = {
 159         .chipselect = 4,
 160         .irq_pin    = AT91_PIN_PA6,
 161         .det_pin        = -EINVAL,
 162         .vcc_pin        = -EINVAL,
 163         .rst_pin    = AT91_PIN_PA7,
 164         .flags      = AT91_CF_TRUE_IDE,
 165 };
 166
 167 static void __init afeb9260_board_init(void)
 168 {
 169         /* Serial */
 170         /* DBGU on ttyS0. (Rx & Tx only) */
 171         at91_register_uart(0, 0, 0);
 172
 173         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
 174         at91_register_uart(AT91SAM9260_ID_US0, 1,
 175                              ATMEL_UART_CTS | ATMEL_UART_RTS
 176                            | ATMEL_UART_DTR | ATMEL_UART_DSR
 177                            | ATMEL_UART_DCD | ATMEL_UART_RI);
 178
 179         /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
 180         at91_register_uart(AT91SAM9260_ID_US1, 2,
 181                         ATMEL_UART_CTS | ATMEL_UART_RTS);
 182         at91_add_device_serial();
 183         /* USB Host */
 184         at91_add_device_usbh(&afeb9260_usbh_data);
 185         /* USB Device */
 186         at91_add_device_udc(&afeb9260_udc_data);
 187         /* SPI */
 188         at91_add_device_spi(afeb9260_spi_devices,
 189                         ARRAY_SIZE(afeb9260_spi_devices));
 190         /* NAND */
 191         at91_add_device_nand(&afeb9260_nand_data);
 192         /* Ethernet */
 193         at91_add_device_eth(&afeb9260_macb_data);
 194
 195         /* Standard function's pin assignments are not
 196          * appropriate for us and generic code provide
 197          * no API to configure these pins any other way */
 198         at91_set_B_periph(AT91_PIN_PA10, 0);    /* ETX2 */
 199         at91_set_B_periph(AT91_PIN_PA11, 0);    /* ETX3 */
 200         /* MMC */
 201         at91_add_device_mci(0, &afeb9260_mci0_data);
 202         /* I2C */
 203         at91_add_device_i2c(afeb9260_i2c_devices,
 204                         ARRAY_SIZE(afeb9260_i2c_devices));
 205         /* Audio */
 206         at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
 207         /* IDE */
 208         at91_add_device_cf(&afeb9260_cf_data);
 209 }
 210
 211 MACHINE_START(AFEB9260, "Custom afeb9260 board")
 212         /* Maintainer: Sergey Lapin <slapin@ossfans.org> */
 213         .init_time      = at91sam926x_pit_init,
 214         .map_io         = at91_map_io,
 215         .handle_irq     = at91_aic_handle_irq,
 216         .init_early     = afeb9260_init_early,
 217         .init_irq       = at91_init_irq_default,
 218         .init_machine   = afeb9260_board_init,
 219 MACHINE_END
 220