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  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9 /*
  10  * top9000 with at91sam9xe256 or at91sam9xe512
  11  *
  12  * Initial Bootloader is in embedded flash.
  13  * Vital Product Data, U-Boot Environment are in I2C-EEPROM.
  14  * U-Boot is in embedded flash, a backup U-Boot can be in NAND flash.
  15  * kernel and file system are either in NAND flash or on a micro SD card.
  16  * NAND flash is optional.
  17  * I2C EEPROM is never optional.
  18  * SPI FRAM is optional.
  19  * SPI ENC28J60 is optional.
  20  * 16 or 32 bit wide SDRAM.
  21  */
  22 #ifndef __CONFIG_H
  23 #define __CONFIG_H
  24
  25 /* SoC must be defined first, before hardware.h is included */
  26 #define CONFIG_AT91SAM9XE
  27 #include <asm/hardware.h>
  28
  29 /*
  30  * Warning: changing CONFIG_SYS_TEXT_BASE requires
  31  * adapting the initial boot program.
  32  */
  33 #define CONFIG_SYS_TEXT_BASE            0x20000000      /* start of SDRAM */
  34
  35 /* Command line configuration */
  36 #include <config_cmd_default.h>
  37 #undef CONFIG_CMD_FPGA
  38 #undef CONFIG_CMD_SETGETDCR
  39 #undef CONFIG_CMD_XIMG
  40 #define CONFIG_CMD_ASKENV
  41 #define CONFIG_SYS_CBSIZE               256
  42 #define CONFIG_SYS_MAXARGS              16
  43 #define CONFIG_SYS_PBSIZE \
  44         (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
  45 #define CONFIG_SYS_PROMPT               "TOP9000> "
  46 #define CONFIG_SYS_LONGHELP
  47 #define CONFIG_CMDLINE_EDITING
  48 #define CONFIG_CMD_BDI
  49 #define CONFIG_CMD_CACHE
  50
  51 /* ARM asynchronous clock */
  52 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768           /* slow clock xtal */
  53 #define CONFIG_SYS_AT91_MAIN_CLOCK      18432000        /* main clock xtal */
  54 #define CONFIG_SYS_HZ                   1000
  55
  56 /* Misc CPU related */
  57 #define CONFIG_ARCH_CPU_INIT
  58 #define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs */
  59 #define CONFIG_SETUP_MEMORY_TAGS
  60 #define CONFIG_INITRD_TAG
  61 #define CONFIG_SKIP_LOWLEVEL_INIT
  62 #define CONFIG_BOARD_EARLY_INIT_F
  63 #define CONFIG_DISPLAY_CPUINFO
  64 #define CONFIG_AT91RESET_EXTRST         /* assert external reset */
  65
  66 /* general purpose I/O */
  67 #define CONFIG_ATMEL_LEGACY             /* required until (g)pio is fixed */
  68 #define CONFIG_AT91_GPIO
  69 #define CONFIG_AT91_GPIO_PULLUP 1       /* keep pullups on peripheral pins */
  70
  71 /* serial console */
  72 #define CONFIG_ATMEL_USART
  73 #define CONFIG_USART_BASE               ATMEL_BASE_DBGU
  74 #define CONFIG_USART_ID                 ATMEL_ID_SYS
  75 #define CONFIG_BAUDRATE                 115200
  76
  77 /* SD/MMC card */
  78 #define CONFIG_MMC
  79 #define CONFIG_GENERIC_MMC
  80 #define CONFIG_GENERIC_ATMEL_MCI
  81 #define CONFIG_SYS_MMC_CD_PIN           AT91_PIN_PC9
  82 #define CONFIG_CMD_MMC
  83
  84 /* Ethernet */
  85 #define CONFIG_MACB
  86 #define CONFIG_SYS_PHY_ID       1
  87 #define CONFIG_RMII
  88 #define CONFIG_NET_RETRY_COUNT  20
  89
  90 /* real time clock */
  91 #define CONFIG_RTC_AT91SAM9_RTT
  92 #define CONFIG_CMD_DATE
  93
  94 #if defined(CONFIG_AT91SAM9XE)
  95 /*
  96  * NOR flash - use embedded flash of SAM9XE256/512
  97  * U-Boot will not fit into 128K !
  98  * 2010.09 will not fit into 256K with all options enabled !
  99  *
 100  * Layout:
 101  * 16kB 1st Bootloader
 102  * Rest U-Boot
 103  * the first sector (16kB) of EFLASH cannot be unprotected
 104  * with u-boot commands
 105  */
 106 # define CONFIG_AT91_EFLASH
 107 # define CONFIG_SYS_FLASH_BASE          ATMEL_BASE_FLASH
 108 # define CONFIG_SYS_MAX_FLASH_SECT      32
 109 # define CONFIG_SYS_MAX_FLASH_BANKS     1
 110 # define CONFIG_SYS_FLASH_PROTECTION
 111 # define CONFIG_EFLASH_PROTSECTORS      1       /* protect first sector */
 112 #endif
 113
 114 /* SPI */
 115 #define CONFIG_ATMEL_SPI
 116 #define CONFIG_CMD_SPI
 117
 118 /* RAMTRON FRAM */
 119 #define CONFIG_CMD_SF
 120 #define CONFIG_ATMEL_SPI0               /* SPI used for FRAM is SPI0 */
 121 #define FRAM_SPI_BUS            0
 122 #define FRAM_CS_NUM             0
 123 #define CONFIG_SPI_FRAM_RAMTRON
 124 #define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */
 125 #define CONFIG_SF_DEFAULT_MODE  SPI_MODE_0
 126 #define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC       "FM25H20"
 127
 128 /* Microchip ENC28J60 (second LAN) */
 129 #if defined(CONFIG_EVAL9000)
 130 # define CONFIG_ENC28J60
 131 # define CONFIG_ATMEL_SPI1              /* SPI used for ENC28J60 is SPI1 */
 132 # define ENC_SPI_BUS            1
 133 # define ENC_CS_NUM             0
 134 # define ENC_SPI_CLOCK  1000000
 135 #endif /* CONFIG_EVAL9000 */
 136
 137 /*
 138  * SDRAM: 1 bank, min 32, max 128 MB
 139  * Initialized before u-boot gets started.
 140  */
 141 #define CONFIG_NR_DRAM_BANKS            1
 142 #define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
 143 #define CONFIG_SYS_SDRAM_SIZE           0x08000000
 144 #define CONFIG_SYS_MEMTEST_START        CONFIG_SYS_SDRAM_BASE
 145 #define CONFIG_SYS_MEMTEST_END          (CONFIG_SYS_SDRAM_BASE + 0x01e00000)
 146 #define CONFIG_SYS_LOAD_ADDR \
 147         (CONFIG_SYS_SDRAM_BASE + 0x01000000)
 148 /*
 149  * Initial stack pointer: 16k - GENERATED_GBL_DATA_SIZE in internal SRAM,
 150  * leaving the correct space for initial global data structure above
 151  * that address while providing maximum stack area below.
 152  */
 153 #define CONFIG_SYS_INIT_SP_ADDR \
 154         (ATMEL_BASE_SRAM + 0x4000 - GENERATED_GBL_DATA_SIZE)
 155
 156 /*
 157  * NAND flash: 256 MB (optional)
 158  *
 159  * Layout:
 160  * 640kB: u-boot (includes space for spare sectors, handled by
 161  * initial loader)
 162  * 2MB: kernel
 163  * rest: file system
 164  */
 165 #define CONFIG_NAND_ATMEL
 166 #define CONFIG_SYS_MAX_NAND_DEVICE      1
 167 #define CONFIG_SYS_NAND_BASE            ATMEL_BASE_CS3
 168 #define CONFIG_SYS_NAND_DBW_8
 169 #define CONFIG_SYS_NAND_MASK_ALE        (1 << 21)
 170 #define CONFIG_SYS_NAND_MASK_CLE        (1 << 22)
 171 #define CONFIG_SYS_NAND_ENABLE_PIN      AT91_PIN_PC14
 172 #define CONFIG_SYS_NAND_READY_PIN       AT91_PIN_PC13
 173 #define CONFIG_CMD_NAND
 174
 175 /* USB */
 176 #define CONFIG_USB_ATMEL
 177 #define CONFIG_USB_OHCI_NEW
 178 #define CONFIG_DOS_PARTITION
 179 #define CONFIG_SYS_USB_OHCI_CPU_INIT
 180 #define CONFIG_SYS_USB_OHCI_REGS_BASE   ATMEL_UHP_BASE
 181 #define CONFIG_SYS_USB_OHCI_SLOT_NAME   "top9000"
 182 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      2
 183 #define CONFIG_USB_STORAGE
 184 #define CONFIG_CMD_USB
 185
 186 /* I2C support must always be enabled */
 187 #define CONFIG_CMD_I2C
 188 #define CONFIG_SYS_I2C
 189 #define CONFIG_SYS_I2C_SOFT             /* I2C bit-banged */
 190 #define CONFIG_SYS_I2C_SOFT_SPEED       400000
 191 #define CONFIG_SYS_I2C_SOFT_SLAVE       0x7F
 192
 193 #define I2C0_PORT                       AT91_PIO_PORTA
 194 #define SDA0_PIN                        23
 195 #define SCL0_PIN                        24
 196 #define I2C1_PORT                       AT91_PIO_PORTB
 197 #define SDA1_PIN                        12
 198 #define SCL1_PIN                        13
 199 #define I2C_SOFT_DECLARATIONS           void iic_init(void);\
 200                                         int iic_read(void);\
 201                                         void iic_sda(int);\
 202                                         void iic_scl(int);
 203 #define I2C_ACTIVE
 204 #define I2C_TRISTATE
 205 #define I2C_INIT                        iic_init()
 206 #define I2C_READ                        iic_read()
 207 #define I2C_SDA(bit)                    iic_sda(bit)
 208 #define I2C_SCL(bit)                    iic_scl(bit)
 209 #define I2C_DELAY                       udelay(3)
 210 /* EEPROM configuration */
 211 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       5
 212 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   5
 213 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN  2
 214 #define CONFIG_SYS_EEPROM_SIZE          0x2000
 215 #define CONFIG_SYS_I2C_EEPROM_ADDR      0x57
 216 /* later: #define CONFIG_I2C_ENV_EEPROM_BUS     0 */
 217 /* ENV is always in I2C-EEPROM */
 218 #define CONFIG_ENV_IS_IN_EEPROM
 219 #define CONFIG_ENV_OFFSET               0x1000
 220 #define CONFIG_ENV_SIZE                 0x0f00
 221 /* VPD settings */
 222 #define CONFIG_SYS_I2C_FACT_ADDR        0x57
 223 #define CONFIG_SYS_FACT_OFFSET          0x1F00
 224 #define CONFIG_SYS_FACT_SIZE            0x0100
 225 /* later: #define CONFIG_MISC_INIT_R */
 226 /* define the next only if you want to allow users to enter VPD data */
 227 #define CONFIG_SYS_FACT_ENTRY
 228 #ifndef __ASSEMBLY__
 229 extern void read_factory_r(void);
 230 #endif
 231
 232 /*
 233  * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
 234  * data on the serial line may interrupt the boot sequence.
 235  */
 236 #define CONFIG_BOOTDELAY                1
 237 #define CONFIG_AUTOBOOT
 238 #define CONFIG_AUTOBOOT_KEYED
 239 #define CONFIG_AUTOBOOT_PROMPT \
 240         "Press SPACE to abort autoboot in %d seconds\n", bootdelay
 241 #define CONFIG_AUTOBOOT_DELAY_STR       "d"
 242 #define CONFIG_AUTOBOOT_STOP_STR        " "
 243
 244 /*
 245  * add filesystem commands if we have at least 1 storage
 246  * media with filesystem
 247  */
 248 #if defined(CONFIG_NAND_ATMEL) \
 249         || defined(CONFIG_USB_ATMEL) \
 250         || defined(CONFIG_MMC)
 251 # define CONFIG_DOS_PARTITION
 252 # define CONFIG_CMD_FAT
 253 # define CONFIG_CMD_EXT2
 254 /* later: #define CONFIG_CMD_JFFS2 */
 255 #endif
 256
 257 /* add NET commands if we have at least 1 LAN */
 258 #if defined(CONFIG_MACB) || defined(CONFIG_ENC28J60)
 259 # define CONFIG_CMD_PING
 260 # define CONFIG_CMD_DHCP
 261 # define CONFIG_CMD_MII
 262 /* is this really needed ? */
 263 # define CONFIG_RESET_PHY_R
 264 /* BOOTP options */
 265 # define CONFIG_BOOTP_BOOTFILESIZE
 266 # define CONFIG_BOOTP_BOOTPATH
 267 # define CONFIG_BOOTP_GATEWAY
 268 # define CONFIG_BOOTP_HOSTNAME
 269 #endif
 270
 271 /* linux in NAND flash */
 272 #define CONFIG_BOOTCOUNT_LIMIT  1
 273 #define CONFIG_BOOTCOMMAND \
 274         "nand read 0x21000000 0xA0000 0x200000; bootm"
 275 #define CONFIG_BOOTARGS \
 276         "console=ttyS0,115200 " \
 277         "root=/dev/mtdblock2 " \
 278         "mtdparts=atmel_nand:" \
 279                 "640k(uboot)ro," \
 280                 "2M(linux)," \
 281                 "16M(root)," \
 282                 "-(rest) " \
 283         "rw "\
 284         "rootfstype=jffs2"
 285
 286 /* Size of malloc() pool */
 287 #define CONFIG_SYS_MALLOC_LEN \
 288         ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
 289
 290 #endif