LXR uboot/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/*
  42 * Warning: changing CONFIG_SYS_TEXT_BASE requires
  43 * adapting the initial boot program.
  44 */
  45#define CONFIG_SYS_TEXT_BASE            0x20000000      /* start of SDRAM */
  46
  47/* Command line configuration */
  48#include <config_cmd_default.h>
  49#undef CONFIG_CMD_FPGA
  50#undef CONFIG_CMD_SETGETDCR
  51#undef CONFIG_CMD_XIMG
  52#define CONFIG_CMD_ASKENV
  53#define CONFIG_SYS_CBSIZE               256
  54#define CONFIG_SYS_MAXARGS              16
  55#define CONFIG_SYS_PBSIZE \
  56        (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
  57#define CONFIG_SYS_PROMPT               "TOP9000> "
  58#define CONFIG_SYS_LONGHELP
  59#define CONFIG_CMDLINE_EDITING
  60#define CONFIG_CMD_BDI
  61#define CONFIG_CMD_CACHE
  62
  63/* ARM asynchronous clock */
  64#define CONFIG_SYS_AT91_MAIN_CLOCK      18432000        /* 18.432 MHz xtal */
  65#define CONFIG_SYS_HZ                   1000
  66
  67/* SoC */
  68#define CONFIG_ARM926EJS                /* ARM926EJS Core */
  69#define CONFIG_AT91FAMILY               /* it's a member of AT91 */
  70#define CONFIG_AT91SAM9260              /* Atmel AT91SAM9260 based SoC */
  71#define CONFIG_AT91SAM9XE
  72
  73/* Misc CPU related */
  74#define CONFIG_AT91_LEGACY
  75#define CONFIG_ARCH_CPU_INIT
  76#undef  CONFIG_USE_IRQ                  /* we don't need IRQ/FIQ stuff  */
  77#define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs */
  78#define CONFIG_SETUP_MEMORY_TAGS
  79#define CONFIG_INITRD_TAG
  80#define CONFIG_SKIP_LOWLEVEL_INIT
  81#define CONFIG_BOARD_EARLY_INIT_F
  82#define CONFIG_DISPLAY_CPUINFO
  83#define CONFIG_AT91RESET_EXTRST         /* assert external reset */
  84
  85/* general purpose I/O */
  86#define CONFIG_AT91_GPIO
  87#define CONFIG_AT91_GPIO_PULLUP 1       /* keep pullups on peripheral pins */
  88
  89/* serial console */
  90#define CONFIG_ATMEL_USART
  91#define CONFIG_USART3                   /* USART 3 is DBGU !!! */
  92#define CONFIG_BAUDRATE                 115200
  93#define CONFIG_SYS_BAUDRATE_TABLE       {115200 , 19200, 38400, 57600, 9600 }
  94
  95/* SD/MMC card */
  96#define CONFIG_MMC
  97#define CONFIG_GENERIC_MMC
  98#define CONFIG_GENERIC_ATMEL_MCI
  99#define CONFIG_SYS_MMC_CD_PIN           AT91_PIN_PC9
 100#define CONFIG_CMD_MMC
 101
 102/* Ethernet */
 103#define CONFIG_MACB
 104#define CONFIG_SYS_PHY_ID       1
 105#define CONFIG_RMII
 106#define CONFIG_NET_MULTI
 107#define CONFIG_NET_RETRY_COUNT  20
 108
 109/* real time clock */
 110#define CONFIG_RTC_AT91SAM9_RTT
 111#define CONFIG_CMD_DATE
 112
 113#if defined(CONFIG_AT91SAM9XE)
 114/*
 115 * NOR flash - use embedded flash of SAM9XE256/512
 116 * U-Boot will not fit into 128K !
 117 * 2010.09 will not fit into 256K with all options enabled !
 118 *
 119 * Layout:
 120 * 16kB 1st Bootloader
 121 * Rest U-Boot
 122 * the first sector (16kB) of EFLASH cannot be unprotected
 123 * with u-boot commands
 124 */
 125# define CONFIG_AT91_EFLASH
 126# define CONFIG_SYS_FLASH_BASE          0x200000
 127# define CONFIG_SYS_MAX_FLASH_SECT      32
 128# define CONFIG_SYS_MAX_FLASH_BANKS     1
 129# define CONFIG_SYS_FLASH_PROTECTION
 130# define CONFIG_EFLASH_PROTSECTORS      1       /* protect first sector */
 131#endif
 132
 133/* SPI */
 134#define CONFIG_ATMEL_SPI
 135#define CONFIG_CMD_SPI
 136
 137/* RAMTRON FRAM */
 138#define CONFIG_CMD_SF
 139#define CONFIG_ATMEL_SPI0               /* SPI used for FRAM is SPI0 */
 140#define FRAM_SPI_BUS            0
 141#define FRAM_CS_NUM             0
 142#define CONFIG_SPI_FLASH                /* RAMTRON FRAM on SPI bus */
 143#define CONFIG_SPI_FRAM_RAMTRON
 144#define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */
 145#define CONFIG_SF_DEFAULT_MODE  SPI_MODE_0
 146#define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC       "FM25H20"
 147
 148/* Microchip ENC28J60 (second LAN) */
 149#if defined(CONFIG_EVAL9000)
 150# define CONFIG_ENC28J60
 151# define CONFIG_ATMEL_SPI1              /* SPI used for ENC28J60 is SPI1 */
 152# define ENC_SPI_BUS            1
 153# define ENC_CS_NUM             0
 154# define ENC_SPI_CLOCK  1000000
 155#endif /* CONFIG_EVAL9000 */
 156
 157/*
 158 * SDRAM: 1 bank, min 32, max 128 MB
 159 * Initialized before u-boot gets started.
 160 */
 161#define CONFIG_NR_DRAM_BANKS            1
 162#define CONFIG_SYS_SDRAM_BASE           0x20000000
 163#define CONFIG_SYS_SDRAM_SIZE           0x08000000
 164#define CONFIG_SYS_MEMTEST_START        CONFIG_SYS_SDRAM_BASE
 165#define CONFIG_SYS_MEMTEST_END          0x21e00000
 166#define CONFIG_SYS_LOAD_ADDR \
 167        (CONFIG_SYS_SDRAM_BASE + 0x01000000)
 168/*
 169 * Initial stack pointer: 16k - GENERATED_GBL_DATA_SIZE in internal SRAM,
 170 * leaving the correct space for initial global data structure above
 171 * that address while providing maximum stack area below.
 172 */
 173#define CONFIG_SYS_INIT_SP_ADDR \
 174        (0x00300000 + 0x4000 - GENERATED_GBL_DATA_SIZE)
 175
 176/*
 177 * NAND flash: 256 MB (optional)
 178 *
 179 * Layout:
 180 * 640kB: u-boot (includes space for spare sectors, handled by
 181 * initial loader)
 182 * 2MB: kernel
 183 * rest: file system
 184 */
 185#define CONFIG_NAND_ATMEL
 186#define CONFIG_SYS_MAX_NAND_DEVICE      1
 187#define CONFIG_SYS_NAND_BASE            0x40000000
 188#define CONFIG_SYS_NAND_DBW_8
 189#define CONFIG_SYS_NAND_MASK_ALE        (1 << 21)
 190#define CONFIG_SYS_NAND_MASK_CLE        (1 << 22)
 191#define CONFIG_SYS_NAND_ENABLE_PIN      AT91_PIN_PC14
 192#define CONFIG_SYS_NAND_READY_PIN       AT91_PIN_PC13
 193#define CONFIG_CMD_NAND
 194
 195/* USB */
 196#define CONFIG_USB_ATMEL
 197#define CONFIG_USB_OHCI_NEW
 198#define CONFIG_DOS_PARTITION
 199#define CONFIG_SYS_USB_OHCI_CPU_INIT
 200#define CONFIG_SYS_USB_OHCI_REGS_BASE   0x00500000
 201#define CONFIG_SYS_USB_OHCI_SLOT_NAME   "top9000"
 202#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      2
 203#define CONFIG_USB_STORAGE
 204#define CONFIG_CMD_USB
 205
 206/* I2C support must always be enabled */
 207#define CONFIG_SOFT_I2C
 208#define CONFIG_CMD_I2C
 209#define CONFIG_SYS_I2C_SPEED            400000
 210#define CONFIG_SYS_I2C_SLAVE            0x7F
 211#define CONFIG_I2C_MULTI_BUS
 212#define I2C0_PORT                       AT91_PIO_PORTA
 213#define SDA0_PIN                        23
 214#define SCL0_PIN                        24
 215#define I2C1_PORT                       AT91_PIO_PORTB
 216#define SDA1_PIN                        12
 217#define SCL1_PIN                        13
 218#define I2C_SOFT_DECLARATIONS           void iic_init(void);\
 219                                        int iic_read(void);\
 220                                        void iic_sda(int);\
 221                                        void iic_scl(int);
 222#define I2C_ACTIVE
 223#define I2C_TRISTATE
 224#define I2C_INIT                        iic_init()
 225#define I2C_READ                        iic_read()
 226#define I2C_SDA(bit)                    iic_sda(bit)
 227#define I2C_SCL(bit)                    iic_scl(bit)
 228#define I2C_DELAY                       udelay(3)
 229/* EEPROM configuration */
 230#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       5
 231#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   5
 232#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN  2
 233#define CONFIG_SYS_EEPROM_SIZE          0x2000
 234#define CONFIG_SYS_I2C_EEPROM_ADDR      0x57
 235/* later: #define CONFIG_I2C_ENV_EEPROM_BUS     0 */
 236/* ENV is always in I2C-EEPROM */
 237#define CONFIG_ENV_IS_IN_EEPROM
 238#define CONFIG_ENV_OFFSET               0x1000
 239#define CONFIG_ENV_SIZE                 0x0f00
 240/* VPD settings */
 241#define CONFIG_SYS_I2C_FACT_ADDR        0x57
 242#define CONFIG_SYS_FACT_OFFSET          0x1F00
 243#define CONFIG_SYS_FACT_SIZE            0x0100
 244/* later: #define CONFIG_MISC_INIT_R */
 245/* define the next only if you want to allow users to enter VPD data */
 246#define CONFIG_SYS_FACT_ENTRY
 247#ifndef __ASSEMBLY__
 248extern void read_factory_r(void);
 249#endif
 250
 251/*
 252 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
 253 * data on the serial line may interrupt the boot sequence.
 254 */
 255#define CONFIG_BOOTDELAY                1
 256#define CONFIG_AUTOBOOT
 257#define CONFIG_AUTOBOOT_KEYED
 258#define CONFIG_AUTOBOOT_PROMPT \
 259        "Press SPACE to abort autoboot in %d seconds\n", bootdelay
 260#define CONFIG_AUTOBOOT_DELAY_STR       "d"
 261#define CONFIG_AUTOBOOT_STOP_STR        " "
 262
 263/*
 264 * add filesystem commands if we have at least 1 storage
 265 * media with filesystem
 266 */
 267#if defined(CONFIG_NAND_ATMEL) \
 268        || defined(CONFIG_USB_ATMEL) \
 269        || defined(CONFIG_MMC)
 270# define CONFIG_DOS_PARTITION
 271# define CONFIG_CMD_FAT
 272# define CONFIG_CMD_EXT2
 273/* later: #define CONFIG_CMD_JFFS2 */
 274#endif
 275
 276/* add NET commands if we have at least 1 LAN */
 277#if defined(CONFIG_MACB) || defined(CONFIG_ENC28J60)
 278# define CONFIG_CMD_PING
 279# define CONFIG_CMD_DHCP
 280# define CONFIG_CMD_MII
 281/* is this really needed ? */
 282# define CONFIG_RESET_PHY_R
 283/* BOOTP options */
 284# define CONFIG_BOOTP_BOOTFILESIZE
 285# define CONFIG_BOOTP_BOOTPATH
 286# define CONFIG_BOOTP_GATEWAY
 287# define CONFIG_BOOTP_HOSTNAME
 288#endif
 289
 290/* linux in NAND flash */
 291#define CONFIG_BOOTCOUNT_LIMIT  1
 292#define CONFIG_BOOTCOMMAND \
 293        "nand read 0x21000000 0xA0000 0x200000; bootm"
 294#define CONFIG_BOOTARGS \
 295        "console=ttyS0,115200 " \
 296        "root=/dev/mtdblock2 " \
 297        "mtdparts=atmel_nand:" \
 298                "640k(uboot)ro," \
 299                "2M(linux)," \
 300                "16M(root)," \
 301                "-(rest) " \
 302        "rw "\
 303        "rootfstype=jffs2"
 304
 305/* Size of malloc() pool */
 306#define CONFIG_SYS_MALLOC_LEN \
 307        ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
 308#define CONFIG_STACKSIZE                (32*1024)
 309#ifdef CONFIG_USE_IRQ
 310#error CONFIG_USE_IRQ not supported
 311#endif
 312
 313#endif
 314