arch/arm/mach-at91/board-at572d940hf_ek.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-at572d940hf_ek.c
   3  *
   4  * Copyright (C) 2008 Atmel Antonio R. Costa <costa.antonior@gmail.com>
   5  * Copyright (C) 2005 SAN People
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include <linux/types.h>
  23 #include <linux/init.h>
  24 #include <linux/mm.h>
  25 #include <linux/module.h>
  26 #include <linux/platform_device.h>
  27 #include <linux/spi/spi.h>
  28 #include <linux/spi/ds1305.h>
  29 #include <linux/irq.h>
  30 #include <linux/mtd/physmap.h>
  31
  32 #include <mach/hardware.h>
  33 #include <asm/setup.h>
  34 #include <asm/mach-types.h>
  35 #include <asm/irq.h>
  36
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/map.h>
  39 #include <asm/mach/irq.h>
  40
  41 #include <mach/board.h>
  42 #include <mach/gpio.h>
  43 #include <mach/at91sam9_smc.h>
  44 #include <mach/system_rev.h>
  45
  46 #include "sam9_smc.h"
  47 #include "generic.h"
  48
  49
  50 static void __init eb_map_io(void)
  51 {
  52         /* Initialize processor: 12.500 MHz crystal */
  53         at572d940hf_initialize(12000000);
  54
  55         /* DBGU on ttyS0. (Rx & Tx only) */
  56         at91_register_uart(0, 0, 0);
  57
  58         /* USART0 on ttyS1. (Rx & Tx only) */
  59         at91_register_uart(AT572D940HF_ID_US0, 1, 0);
  60
  61         /* USART1 on ttyS2. (Rx & Tx only) */
  62         at91_register_uart(AT572D940HF_ID_US1, 2, 0);
  63
  64         /* USART2 on ttyS3. (Tx & Rx only */
  65         at91_register_uart(AT572D940HF_ID_US2, 3, 0);
  66
  67         /* set serial console to ttyS0 (ie, DBGU) */
  68         at91_set_serial_console(0);
  69 }
  70
  71 static void __init eb_init_irq(void)
  72 {
  73         at572d940hf_init_interrupts(NULL);
  74 }
  75
  76
  77 /*
  78  * USB Host Port
  79  */
  80 static struct at91_usbh_data __initdata eb_usbh_data = {
  81         .ports          = 2,
  82 };
  83
  84
  85 /*
  86  * USB Device Port
  87  */
  88 static struct at91_udc_data __initdata eb_udc_data = {
  89         .vbus_pin       = 0,            /* no VBUS detection,UDC always on */
  90         .pullup_pin     = 0,            /* pull-up driven by UDC */
  91 };
  92
  93
  94 /*
  95  * MCI (SD/MMC)
  96  */
  97 static struct at91_mmc_data __initdata eb_mmc_data = {
  98         .wire4          = 1,
  99 /*      .det_pin        = ... not connected */
 100 /*      .wp_pin         = ... not connected */
 101 /*      .vcc_pin        = ... not connected */
 102 };
 103
 104
 105 /*
 106  * MACB Ethernet device
 107  */
 108 static struct at91_eth_data __initdata eb_eth_data = {
 109         .phy_irq_pin    = AT91_PIN_PB25,
 110         .is_rmii        = 1,
 111 };
 112
 113 /*
 114  * NOR flash
 115  */
 116
 117 static struct mtd_partition eb_nor_partitions[] = {
 118         {
 119                 .name           = "Raw Environment",
 120                 .offset         = 0,
 121                 .size           = SZ_4M,
 122                 .mask_flags     = 0,
 123         },
 124         {
 125                 .name           = "OS FS",
 126                 .offset         = MTDPART_OFS_APPEND,
 127                 .size           = 3 * SZ_1M,
 128                 .mask_flags     = 0,
 129         },
 130         {
 131                 .name           = "APP FS",
 132                 .offset         = MTDPART_OFS_APPEND,
 133                 .size           = MTDPART_SIZ_FULL,
 134                 .mask_flags     = 0,
 135         },
 136 };
 137
 138 static void nor_flash_set_vpp(struct map_info* mi, int i) {
 139 };
 140
 141 static struct physmap_flash_data nor_flash_data = {
 142         .width          = 4,
 143         .parts          = eb_nor_partitions,
 144         .nr_parts       = ARRAY_SIZE(eb_nor_partitions),
 145         .set_vpp        = nor_flash_set_vpp,
 146 };
 147
 148 static struct resource nor_flash_resources[] = {
 149         {
 150                 .start  = AT91_CHIPSELECT_0,
 151                 .end    = AT91_CHIPSELECT_0 + SZ_16M - 1,
 152                 .flags  = IORESOURCE_MEM,
 153         },
 154 };
 155
 156 static struct platform_device nor_flash = {
 157         .name           = "physmap-flash",
 158         .id             = 0,
 159         .dev            = {
 160                                 .platform_data = &nor_flash_data,
 161                         },
 162         .resource       = nor_flash_resources,
 163         .num_resources  = ARRAY_SIZE(nor_flash_resources),
 164 };
 165
 166 static struct sam9_smc_config __initdata eb_nor_smc_config = {
 167         .ncs_read_setup         = 1,
 168         .nrd_setup              = 1,
 169         .ncs_write_setup        = 1,
 170         .nwe_setup              = 1,
 171
 172         .ncs_read_pulse         = 7,
 173         .nrd_pulse              = 7,
 174         .ncs_write_pulse        = 7,
 175         .nwe_pulse              = 7,
 176
 177         .read_cycle             = 9,
 178         .write_cycle            = 9,
 179
 180         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_32,
 181         .tdf_cycles             = 1,
 182 };
 183
 184 static void __init eb_add_device_nor(void)
 185 {
 186         /* configure chip-select 0 (NOR) */
 187         sam9_smc_configure(0, &eb_nor_smc_config);
 188         platform_device_register(&nor_flash);
 189 }
 190
 191 /*
 192  * NAND flash
 193  */
 194 static struct mtd_partition __initdata eb_nand_partition[] = {
 195         {
 196                 .name   = "Partition 1",
 197                 .offset = 0,
 198                 .size   = SZ_16M,
 199         },
 200         {
 201                 .name   = "Partition 2",
 202                 .offset = MTDPART_OFS_NXTBLK,
 203                 .size   = MTDPART_SIZ_FULL,
 204         }
 205 };
 206
 207 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 208 {
 209         *num_partitions = ARRAY_SIZE(eb_nand_partition);
 210         return eb_nand_partition;
 211 }
 212
 213 static struct atmel_nand_data __initdata eb_nand_data = {
 214         .ale            = 22,
 215         .cle            = 21,
 216 /*      .det_pin        = ... not connected */
 217 /*      .rdy_pin        = AT91_PIN_PC16, */
 218         .enable_pin     = AT91_PIN_PA15,
 219         .partition_info = nand_partitions,
 220 };
 221
 222 static struct sam9_smc_config __initdata eb_nand_smc_config = {
 223         .ncs_read_setup         = 0,
 224         .nrd_setup              = 0,
 225         .ncs_write_setup        = 1,
 226         .nwe_setup              = 1,
 227
 228         .ncs_read_pulse         = 3,
 229         .nrd_pulse              = 3,
 230         .ncs_write_pulse        = 3,
 231         .nwe_pulse              = 3,
 232
 233         .read_cycle             = 5,
 234         .write_cycle            = 5,
 235
 236         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
 237         .tdf_cycles             = 12,
 238 };
 239
 240 static void __init eb_add_device_nand(void)
 241 {
 242         ek_nand_data.bus_width_16 = !board_have_nand_8bit();
 243         /* setup bus-width (8 or 16) */
 244         if (eb_nand_data.bus_width_16)
 245                 eb_nand_smc_config.mode |= AT91_SMC_DBW_16;
 246         else
 247                 eb_nand_smc_config.mode |= AT91_SMC_DBW_8;
 248
 249         /* configure chip-select 3 (NAND) */
 250         sam9_smc_configure(3, &eb_nand_smc_config);
 251
 252         at91_add_device_nand(&eb_nand_data);
 253 }
 254
 255
 256 /*
 257  * SPI devices
 258  */
 259 static struct resource rtc_resources[] = {
 260         [0] = {
 261                 .start  = AT572D940HF_ID_IRQ1,
 262                 .end    = AT572D940HF_ID_IRQ1,
 263                 .flags  = IORESOURCE_IRQ,
 264         },
 265 };
 266
 267 static struct ds1305_platform_data ds1306_data = {
 268         .is_ds1306      = true,
 269         .en_1hz         = false,
 270 };
 271
 272 static struct spi_board_info eb_spi_devices[] = {
 273         {       /* RTC Dallas DS1306 */
 274                 .modalias       = "rtc-ds1305",
 275                 .chip_select    = 3,
 276                 .mode           = SPI_CS_HIGH | SPI_CPOL | SPI_CPHA,
 277                 .max_speed_hz   = 500000,
 278                 .bus_num        = 0,
 279                 .irq            = AT572D940HF_ID_IRQ1,
 280                 .platform_data  = (void *) &ds1306_data,
 281         },
 282 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
 283         {       /* Dataflash card */
 284                 .modalias       = "mtd_dataflash",
 285                 .chip_select    = 0,
 286                 .max_speed_hz   = 15 * 1000 * 1000,
 287                 .bus_num        = 0,
 288         },
 289 #endif
 290 };
 291
 292 static void __init eb_board_init(void)
 293 {
 294         /* Serial */
 295         at91_add_device_serial();
 296         /* USB Host */
 297         at91_add_device_usbh(&eb_usbh_data);
 298         /* USB Device */
 299         at91_add_device_udc(&eb_udc_data);
 300         /* I2C */
 301         at91_add_device_i2c(NULL, 0);
 302         /* NOR */
 303         eb_add_device_nor();
 304         /* NAND */
 305         eb_add_device_nand();
 306         /* SPI */
 307         at91_add_device_spi(eb_spi_devices, ARRAY_SIZE(eb_spi_devices));
 308         /* MMC */
 309         at91_add_device_mmc(0, &eb_mmc_data);
 310         /* Ethernet */
 311         at91_add_device_eth(&eb_eth_data);
 312         /* mAgic */
 313         at91_add_device_mAgic();
 314 }
 315
 316 MACHINE_START(AT572D940HFEB, "Atmel AT91D940HF-EB")
 317         /* Maintainer: Atmel <costa.antonior@gmail.com> */
 318         .boot_params    = AT91_SDRAM_BASE + 0x100,
 319         .timer          = &at91sam926x_timer,
 320         .map_io         = eb_map_io,
 321         .init_irq       = eb_init_irq,
 322         .init_machine   = eb_board_init,
 323 MACHINE_END