include/configs/top9000.h

   1 /*
   2  * (C) Copyright 2010
   3  * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de
   4  *
   5  * Configuation settings for the TOP9000 CPU module with AT91SAM9XE.
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25 /*
  26  * top9000 with at91sam9xe256 or at91sam9xe512
  27  *
  28  * Initial Bootloader is in embedded flash.
  29  * Vital Product Data, U-Boot Environment are in I2C-EEPROM.
  30  * U-Boot is in embedded flash, a backup U-Boot can be in NAND flash.
  31  * kernel and file system are either in NAND flash or on a micro SD card.
  32  * NAND flash is optional.
  33  * I2C EEPROM is never optional.
  34  * SPI FRAM is optional.
  35  * SPI ENC28J60 is optional.
  36  * 16 or 32 bit wide SDRAM.
  37  */
  38 #ifndef __CONFIG_H
  39 #define __CONFIG_H
  40
  41 /* SoC must be defined first, before hardware.h is included */
  42 #define CONFIG_AT91SAM9XE
  43 #include <asm/hardware.h>
  44
  45 /*
  46  * Warning: changing CONFIG_SYS_TEXT_BASE requires
  47  * adapting the initial boot program.
  48  */
  49 #define CONFIG_SYS_TEXT_BASE            0x20000000      /* start of SDRAM */
  50
  51 /* Command line configuration */
  52 #include <config_cmd_default.h>
  53 #undef CONFIG_CMD_FPGA
  54 #undef CONFIG_CMD_SETGETDCR
  55 #undef CONFIG_CMD_XIMG
  56 #define CONFIG_CMD_ASKENV
  57 #define CONFIG_SYS_CBSIZE               256
  58 #define CONFIG_SYS_MAXARGS              16
  59 #define CONFIG_SYS_PBSIZE \
  60         (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
  61 #define CONFIG_SYS_PROMPT               "TOP9000> "
  62 #define CONFIG_SYS_LONGHELP
  63 #define CONFIG_CMDLINE_EDITING
  64 #define CONFIG_CMD_BDI
  65 #define CONFIG_CMD_CACHE
  66
  67 /* ARM asynchronous clock */
  68 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768           /* slow clock xtal */
  69 #define CONFIG_SYS_AT91_MAIN_CLOCK      18432000        /* main clock xtal */
  70 #define CONFIG_SYS_HZ                   1000
  71
  72 /* Misc CPU related */
  73 #define CONFIG_ARCH_CPU_INIT
  74 #define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs */
  75 #define CONFIG_SETUP_MEMORY_TAGS
  76 #define CONFIG_INITRD_TAG
  77 #define CONFIG_SKIP_LOWLEVEL_INIT
  78 #define CONFIG_BOARD_EARLY_INIT_F
  79 #define CONFIG_DISPLAY_CPUINFO
  80 #define CONFIG_AT91RESET_EXTRST         /* assert external reset */
  81
  82 /* general purpose I/O */
  83 #define CONFIG_ATMEL_LEGACY             /* required until (g)pio is fixed */
  84 #define CONFIG_AT91_GPIO
  85 #define CONFIG_AT91_GPIO_PULLUP 1       /* keep pullups on peripheral pins */
  86
  87 /* serial console */
  88 #define CONFIG_ATMEL_USART
  89 #define CONFIG_USART_BASE               ATMEL_BASE_DBGU
  90 #define CONFIG_USART_ID                 ATMEL_ID_SYS
  91 #define CONFIG_BAUDRATE                 115200
  92
  93 /* SD/MMC card */
  94 #define CONFIG_MMC
  95 #define CONFIG_GENERIC_MMC
  96 #define CONFIG_GENERIC_ATMEL_MCI
  97 #define CONFIG_SYS_MMC_CD_PIN           AT91_PIN_PC9
  98 #define CONFIG_CMD_MMC
  99
 100 /* Ethernet */
 101 #define CONFIG_MACB
 102 #define CONFIG_SYS_PHY_ID       1
 103 #define CONFIG_RMII
 104 #define CONFIG_NET_RETRY_COUNT  20
 105
 106 /* real time clock */
 107 #define CONFIG_RTC_AT91SAM9_RTT
 108 #define CONFIG_CMD_DATE
 109
 110 #if defined(CONFIG_AT91SAM9XE)
 111 /*
 112  * NOR flash - use embedded flash of SAM9XE256/512
 113  * U-Boot will not fit into 128K !
 114  * 2010.09 will not fit into 256K with all options enabled !
 115  *
 116  * Layout:
 117  * 16kB 1st Bootloader
 118  * Rest U-Boot
 119  * the first sector (16kB) of EFLASH cannot be unprotected
 120  * with u-boot commands
 121  */
 122 # define CONFIG_AT91_EFLASH
 123 # define CONFIG_SYS_FLASH_BASE          ATMEL_BASE_FLASH
 124 # define CONFIG_SYS_MAX_FLASH_SECT      32
 125 # define CONFIG_SYS_MAX_FLASH_BANKS     1
 126 # define CONFIG_SYS_FLASH_PROTECTION
 127 # define CONFIG_EFLASH_PROTSECTORS      1       /* protect first sector */
 128 #endif
 129
 130 /* SPI */
 131 #define CONFIG_ATMEL_SPI
 132 #define CONFIG_CMD_SPI
 133
 134 /* RAMTRON FRAM */
 135 #define CONFIG_CMD_SF
 136 #define CONFIG_ATMEL_SPI0               /* SPI used for FRAM is SPI0 */
 137 #define FRAM_SPI_BUS            0
 138 #define FRAM_CS_NUM             0
 139 #define CONFIG_SPI_FLASH                /* RAMTRON FRAM on SPI bus */
 140 #define CONFIG_SPI_FRAM_RAMTRON
 141 #define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */
 142 #define CONFIG_SF_DEFAULT_MODE  SPI_MODE_0
 143 #define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC       "FM25H20"
 144
 145 /* Microchip ENC28J60 (second LAN) */
 146 #if defined(CONFIG_EVAL9000)
 147 # define CONFIG_ENC28J60
 148 # define CONFIG_ATMEL_SPI1              /* SPI used for ENC28J60 is SPI1 */
 149 # define ENC_SPI_BUS            1
 150 # define ENC_CS_NUM             0
 151 # define ENC_SPI_CLOCK  1000000
 152 #endif /* CONFIG_EVAL9000 */
 153
 154 /*
 155  * SDRAM: 1 bank, min 32, max 128 MB
 156  * Initialized before u-boot gets started.
 157  */
 158 #define CONFIG_NR_DRAM_BANKS            1
 159 #define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
 160 #define CONFIG_SYS_SDRAM_SIZE           0x08000000
 161 #define CONFIG_SYS_MEMTEST_START        CONFIG_SYS_SDRAM_BASE
 162 #define CONFIG_SYS_MEMTEST_END          (CONFIG_SYS_SDRAM_BASE + 0x01e00000)
 163 #define CONFIG_SYS_LOAD_ADDR \
 164         (CONFIG_SYS_SDRAM_BASE + 0x01000000)
 165 /*
 166  * Initial stack pointer: 16k - GENERATED_GBL_DATA_SIZE in internal SRAM,
 167  * leaving the correct space for initial global data structure above
 168  * that address while providing maximum stack area below.
 169  */
 170 #define CONFIG_SYS_INIT_SP_ADDR \
 171         (ATMEL_BASE_SRAM + 0x4000 - GENERATED_GBL_DATA_SIZE)
 172
 173 /*
 174  * NAND flash: 256 MB (optional)
 175  *
 176  * Layout:
 177  * 640kB: u-boot (includes space for spare sectors, handled by
 178  * initial loader)
 179  * 2MB: kernel
 180  * rest: file system
 181  */
 182 #define CONFIG_NAND_ATMEL
 183 #define CONFIG_SYS_MAX_NAND_DEVICE      1
 184 #define CONFIG_SYS_NAND_BASE            ATMEL_BASE_CS3
 185 #define CONFIG_SYS_NAND_DBW_8
 186 #define CONFIG_SYS_NAND_MASK_ALE        (1 << 21)
 187 #define CONFIG_SYS_NAND_MASK_CLE        (1 << 22)
 188 #define CONFIG_SYS_NAND_ENABLE_PIN      AT91_PIN_PC14
 189 #define CONFIG_SYS_NAND_READY_PIN       AT91_PIN_PC13
 190 #define CONFIG_CMD_NAND
 191
 192 /* USB */
 193 #define CONFIG_USB_ATMEL
 194 #define CONFIG_USB_OHCI_NEW
 195 #define CONFIG_DOS_PARTITION
 196 #define CONFIG_SYS_USB_OHCI_CPU_INIT
 197 #define CONFIG_SYS_USB_OHCI_REGS_BASE   ATMEL_UHP_BASE
 198 #define CONFIG_SYS_USB_OHCI_SLOT_NAME   "top9000"
 199 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      2
 200 #define CONFIG_USB_STORAGE
 201 #define CONFIG_CMD_USB
 202
 203 /* I2C support must always be enabled */
 204 #define CONFIG_CMD_I2C
 205 #define CONFIG_SYS_I2C
 206 #define CONFIG_SYS_I2C_SOFT             /* I2C bit-banged */
 207 #define CONFIG_SYS_I2C_SOFT_SPEED       400000
 208 #define CONFIG_SYS_I2C_SOFT_SLAVE       0x7F
 209
 210 #define I2C0_PORT                       AT91_PIO_PORTA
 211 #define SDA0_PIN                        23
 212 #define SCL0_PIN                        24
 213 #define I2C1_PORT                       AT91_PIO_PORTB
 214 #define SDA1_PIN                        12
 215 #define SCL1_PIN                        13
 216 #define I2C_SOFT_DECLARATIONS           void iic_init(void);\
 217                                         int iic_read(void);\
 218                                         void iic_sda(int);\
 219                                         void iic_scl(int);
 220 #define I2C_ACTIVE
 221 #define I2C_TRISTATE
 222 #define I2C_INIT                        iic_init()
 223 #define I2C_READ                        iic_read()
 224 #define I2C_SDA(bit)                    iic_sda(bit)
 225 #define I2C_SCL(bit)                    iic_scl(bit)
 226 #define I2C_DELAY                       udelay(3)
 227 /* EEPROM configuration */
 228 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       5
 229 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   5
 230 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN  2
 231 #define CONFIG_SYS_EEPROM_SIZE          0x2000
 232 #define CONFIG_SYS_I2C_EEPROM_ADDR      0x57
 233 /* later: #define CONFIG_I2C_ENV_EEPROM_BUS     0 */
 234 /* ENV is always in I2C-EEPROM */
 235 #define CONFIG_ENV_IS_IN_EEPROM
 236 #define CONFIG_ENV_OFFSET               0x1000
 237 #define CONFIG_ENV_SIZE                 0x0f00
 238 /* VPD settings */
 239 #define CONFIG_SYS_I2C_FACT_ADDR        0x57
 240 #define CONFIG_SYS_FACT_OFFSET          0x1F00
 241 #define CONFIG_SYS_FACT_SIZE            0x0100
 242 /* later: #define CONFIG_MISC_INIT_R */
 243 /* define the next only if you want to allow users to enter VPD data */
 244 #define CONFIG_SYS_FACT_ENTRY
 245 #ifndef __ASSEMBLY__
 246 extern void read_factory_r(void);
 247 #endif
 248
 249 /*
 250  * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
 251  * data on the serial line may interrupt the boot sequence.
 252  */
 253 #define CONFIG_BOOTDELAY                1
 254 #define CONFIG_AUTOBOOT
 255 #define CONFIG_AUTOBOOT_KEYED
 256 #define CONFIG_AUTOBOOT_PROMPT \
 257         "Press SPACE to abort autoboot in %d seconds\n", bootdelay
 258 #define CONFIG_AUTOBOOT_DELAY_STR       "d"
 259 #define CONFIG_AUTOBOOT_STOP_STR        " "
 260
 261 /*
 262  * add filesystem commands if we have at least 1 storage
 263  * media with filesystem
 264  */
 265 #if defined(CONFIG_NAND_ATMEL) \
 266         || defined(CONFIG_USB_ATMEL) \
 267         || defined(CONFIG_MMC)
 268 # define CONFIG_DOS_PARTITION
 269 # define CONFIG_CMD_FAT
 270 # define CONFIG_CMD_EXT2
 271 /* later: #define CONFIG_CMD_JFFS2 */
 272 #endif
 273
 274 /* add NET commands if we have at least 1 LAN */
 275 #if defined(CONFIG_MACB) || defined(CONFIG_ENC28J60)
 276 # define CONFIG_CMD_PING
 277 # define CONFIG_CMD_DHCP
 278 # define CONFIG_CMD_MII
 279 /* is this really needed ? */
 280 # define CONFIG_RESET_PHY_R
 281 /* BOOTP options */
 282 # define CONFIG_BOOTP_BOOTFILESIZE
 283 # define CONFIG_BOOTP_BOOTPATH
 284 # define CONFIG_BOOTP_GATEWAY
 285 # define CONFIG_BOOTP_HOSTNAME
 286 #endif
 287
 288 /* linux in NAND flash */
 289 #define CONFIG_BOOTCOUNT_LIMIT  1
 290 #define CONFIG_BOOTCOMMAND \
 291         "nand read 0x21000000 0xA0000 0x200000; bootm"
 292 #define CONFIG_BOOTARGS \
 293         "console=ttyS0,115200 " \
 294         "root=/dev/mtdblock2 " \
 295         "mtdparts=atmel_nand:" \
 296                 "640k(uboot)ro," \
 297                 "2M(linux)," \
 298                 "16M(root)," \
 299                 "-(rest) " \
 300         "rw "\
 301         "rootfstype=jffs2"
 302
 303 /* Size of malloc() pool */
 304 #define CONFIG_SYS_MALLOC_LEN \
 305         ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
 306
 307 #endif