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/* 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#undef  CONFIG_USE_IRQ                  /* we don't need IRQ/FIQ stuff  */
  75#define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs */
  76#define CONFIG_SETUP_MEMORY_TAGS
  77#define CONFIG_INITRD_TAG
  78#define CONFIG_SKIP_LOWLEVEL_INIT
  79#define CONFIG_BOARD_EARLY_INIT_F
  80#define CONFIG_DISPLAY_CPUINFO
  81#define CONFIG_AT91RESET_EXTRST         /* assert external reset */
  82
  83/* general purpose I/O */
  84#define CONFIG_ATMEL_LEGACY             /* required until (g)pio is fixed */
  85#define CONFIG_AT91_GPIO
  86#define CONFIG_AT91_GPIO_PULLUP 1       /* keep pullups on peripheral pins */
  87
  88/* serial console */
  89#define CONFIG_ATMEL_USART
  90#define CONFIG_USART_BASE               ATMEL_BASE_DBGU
  91#define CONFIG_USART_ID                 ATMEL_ID_SYS
  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_RETRY_COUNT  20
 107
 108/* real time clock */
 109#define CONFIG_RTC_AT91SAM9_RTT
 110#define CONFIG_CMD_DATE
 111
 112#if defined(CONFIG_AT91SAM9XE)
 113/*
 114 * NOR flash - use embedded flash of SAM9XE256/512
 115 * U-Boot will not fit into 128K !
 116 * 2010.09 will not fit into 256K with all options enabled !
 117 *
 118 * Layout:
 119 * 16kB 1st Bootloader
 120 * Rest U-Boot
 121 * the first sector (16kB) of EFLASH cannot be unprotected
 122 * with u-boot commands
 123 */
 124# define CONFIG_AT91_EFLASH
 125# define CONFIG_SYS_FLASH_BASE          ATMEL_BASE_FLASH
 126# define CONFIG_SYS_MAX_FLASH_SECT      32
 127# define CONFIG_SYS_MAX_FLASH_BANKS     1
 128# define CONFIG_SYS_FLASH_PROTECTION
 129# define CONFIG_EFLASH_PROTSECTORS      1       /* protect first sector */
 130#endif
 131
 132/* SPI */
 133#define CONFIG_ATMEL_SPI
 134#define CONFIG_CMD_SPI
 135
 136/* RAMTRON FRAM */
 137#define CONFIG_CMD_SF
 138#define CONFIG_ATMEL_SPI0               /* SPI used for FRAM is SPI0 */
 139#define FRAM_SPI_BUS            0
 140#define FRAM_CS_NUM             0
 141#define CONFIG_SPI_FLASH                /* RAMTRON FRAM on SPI bus */
 142#define CONFIG_SPI_FRAM_RAMTRON
 143#define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */
 144#define CONFIG_SF_DEFAULT_MODE  SPI_MODE_0
 145#define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC       "FM25H20"
 146
 147/* Microchip ENC28J60 (second LAN) */
 148#if defined(CONFIG_EVAL9000)
 149# define CONFIG_ENC28J60
 150# define CONFIG_ATMEL_SPI1              /* SPI used for ENC28J60 is SPI1 */
 151# define ENC_SPI_BUS            1
 152# define ENC_CS_NUM             0
 153# define ENC_SPI_CLOCK  1000000
 154#endif /* CONFIG_EVAL9000 */
 155
 156/*
 157 * SDRAM: 1 bank, min 32, max 128 MB
 158 * Initialized before u-boot gets started.
 159 */
 160#define CONFIG_NR_DRAM_BANKS            1
 161#define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
 162#define CONFIG_SYS_SDRAM_SIZE           0x08000000
 163#define CONFIG_SYS_MEMTEST_START        CONFIG_SYS_SDRAM_BASE
 164#define CONFIG_SYS_MEMTEST_END          (CONFIG_SYS_SDRAM_BASE + 0x01e00000)
 165#define CONFIG_SYS_LOAD_ADDR \
 166        (CONFIG_SYS_SDRAM_BASE + 0x01000000)
 167/*
 168 * Initial stack pointer: 16k - GENERATED_GBL_DATA_SIZE in internal SRAM,
 169 * leaving the correct space for initial global data structure above
 170 * that address while providing maximum stack area below.
 171 */
 172#define CONFIG_SYS_INIT_SP_ADDR \
 173        (ATMEL_BASE_SRAM + 0x4000 - GENERATED_GBL_DATA_SIZE)
 174
 175/*
 176 * NAND flash: 256 MB (optional)
 177 *
 178 * Layout:
 179 * 640kB: u-boot (includes space for spare sectors, handled by
 180 * initial loader)
 181 * 2MB: kernel
 182 * rest: file system
 183 */
 184#define CONFIG_NAND_ATMEL
 185#define CONFIG_SYS_MAX_NAND_DEVICE      1
 186#define CONFIG_SYS_NAND_BASE            ATMEL_BASE_CS3
 187#define CONFIG_SYS_NAND_DBW_8
 188#define CONFIG_SYS_NAND_MASK_ALE        (1 << 21)
 189#define CONFIG_SYS_NAND_MASK_CLE        (1 << 22)
 190#define CONFIG_SYS_NAND_ENABLE_PIN      AT91_PIN_PC14
 191#define CONFIG_SYS_NAND_READY_PIN       AT91_PIN_PC13
 192#define CONFIG_CMD_NAND
 193
 194/* USB */
 195#define CONFIG_USB_ATMEL
 196#define CONFIG_USB_OHCI_NEW
 197#define CONFIG_DOS_PARTITION
 198#define CONFIG_SYS_USB_OHCI_CPU_INIT
 199#define CONFIG_SYS_USB_OHCI_REGS_BASE   ATMEL_UHP_BASE
 200#define CONFIG_SYS_USB_OHCI_SLOT_NAME   "top9000"
 201#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      2
 202#define CONFIG_USB_STORAGE
 203#define CONFIG_CMD_USB
 204
 205/* I2C support must always be enabled */
 206#define CONFIG_SOFT_I2C
 207#define CONFIG_CMD_I2C
 208#define CONFIG_SYS_I2C_SPEED            400000
 209#define CONFIG_SYS_I2C_SLAVE            0x7F
 210#define CONFIG_I2C_MULTI_BUS
 211#define I2C0_PORT                       AT91_PIO_PORTA
 212#define SDA0_PIN                        23
 213#define SCL0_PIN                        24
 214#define I2C1_PORT                       AT91_PIO_PORTB
 215#define SDA1_PIN                        12
 216#define SCL1_PIN                        13
 217#define I2C_SOFT_DECLARATIONS           void iic_init(void);\
 218                                        int iic_read(void);\
 219                                        void iic_sda(int);\
 220                                        void iic_scl(int);
 221#define I2C_ACTIVE
 222#define I2C_TRISTATE
 223#define I2C_INIT                        iic_init()
 224#define I2C_READ                        iic_read()
 225#define I2C_SDA(bit)                    iic_sda(bit)
 226#define I2C_SCL(bit)                    iic_scl(bit)
 227#define I2C_DELAY                       udelay(3)
 228/* EEPROM configuration */
 229#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       5
 230#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   5
 231#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN  2
 232#define CONFIG_SYS_EEPROM_SIZE          0x2000
 233#define CONFIG_SYS_I2C_EEPROM_ADDR      0x57
 234/* later: #define CONFIG_I2C_ENV_EEPROM_BUS     0 */
 235/* ENV is always in I2C-EEPROM */
 236#define CONFIG_ENV_IS_IN_EEPROM
 237#define CONFIG_ENV_OFFSET               0x1000
 238#define CONFIG_ENV_SIZE                 0x0f00
 239/* VPD settings */
 240#define CONFIG_SYS_I2C_FACT_ADDR        0x57
 241#define CONFIG_SYS_FACT_OFFSET          0x1F00
 242#define CONFIG_SYS_FACT_SIZE            0x0100
 243/* later: #define CONFIG_MISC_INIT_R */
 244/* define the next only if you want to allow users to enter VPD data */
 245#define CONFIG_SYS_FACT_ENTRY
 246#ifndef __ASSEMBLY__
 247extern void read_factory_r(void);
 248#endif
 249
 250/*
 251 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
 252 * data on the serial line may interrupt the boot sequence.
 253 */
 254#define CONFIG_BOOTDELAY                1
 255#define CONFIG_AUTOBOOT
 256#define CONFIG_AUTOBOOT_KEYED
 257#define CONFIG_AUTOBOOT_PROMPT \
 258        "Press SPACE to abort autoboot in %d seconds\n", bootdelay
 259#define CONFIG_AUTOBOOT_DELAY_STR       "d"
 260#define CONFIG_AUTOBOOT_STOP_STR        " "
 261
 262/*
 263 * add filesystem commands if we have at least 1 storage
 264 * media with filesystem
 265 */
 266#if defined(CONFIG_NAND_ATMEL) \
 267        || defined(CONFIG_USB_ATMEL) \
 268        || defined(CONFIG_MMC)
 269# define CONFIG_DOS_PARTITION
 270# define CONFIG_CMD_FAT
 271# define CONFIG_CMD_EXT2
 272/* later: #define CONFIG_CMD_JFFS2 */
 273#endif
 274
 275/* add NET commands if we have at least 1 LAN */
 276#if defined(CONFIG_MACB) || defined(CONFIG_ENC28J60)
 277# define CONFIG_CMD_PING
 278# define CONFIG_CMD_DHCP
 279# define CONFIG_CMD_MII
 280/* is this really needed ? */
 281# define CONFIG_RESET_PHY_R
 282/* BOOTP options */
 283# define CONFIG_BOOTP_BOOTFILESIZE
 284# define CONFIG_BOOTP_BOOTPATH
 285# define CONFIG_BOOTP_GATEWAY
 286# define CONFIG_BOOTP_HOSTNAME
 287#endif
 288
 289/* linux in NAND flash */
 290#define CONFIG_BOOTCOUNT_LIMIT  1
 291#define CONFIG_BOOTCOMMAND \
 292        "nand read 0x21000000 0xA0000 0x200000; bootm"
 293#define CONFIG_BOOTARGS \
 294        "console=ttyS0,115200 " \
 295        "root=/dev/mtdblock2 " \
 296        "mtdparts=atmel_nand:" \
 297                "640k(uboot)ro," \
 298                "2M(linux)," \
 299                "16M(root)," \
 300                "-(rest) " \
 301        "rw "\
 302        "rootfstype=jffs2"
 303
 304/* Size of malloc() pool */
 305#define CONFIG_SYS_MALLOC_LEN \
 306        ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
 307#define CONFIG_STACKSIZE                (32*1024)
 308#ifdef CONFIG_USE_IRQ
 309#error CONFIG_USE_IRQ not supported
 310#endif
 311
 312#endif
 313