include/configs/at91rm9200ek.h

   1 /*
   2  * Ulf Samuelsson <ulf@atmel.com>
   3  * Rick Bronson <rick@efn.org>
   4  *
   5  * Configuration settings for the AT91RM9200EK board.
   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 #ifndef __CONFIG_H
  27 #define __CONFIG_H
  28
  29 /* ARM asynchronous clock */
  30 /*
  31  * from 18.432 MHz crystal
  32  * (18432000 / 4 * 39)
  33  */
  34 #define AT91C_MAIN_CLOCK        179712000
  35 /*
  36  * peripheral clock
  37  * (AT91C_MASTER_CLOCK / 3)
  38  */
  39 #define AT91C_MASTER_CLOCK      59904000
  40
  41 #define AT91_SLOW_CLOCK         32768   /* slow clock */
  42
  43 #define CONFIG_ARM920T          1       /* This is an ARM920T Core      */
  44 #define CONFIG_AT91RM9200       1       /* It's an Atmel AT91RM9200 SoC */
  45 #define CONFIG_AT91RM9200EK     1       /* on an AT91RM9200EK Board     */
  46 #undef  CONFIG_USE_IRQ                  /* we don't need IRQ/FIQ stuff  */
  47 #define USE_920T_MMU            1
  48
  49 #define CONFIG_CMDLINE_TAG      1       /* enable passing of ATAGs      */
  50 #define CONFIG_SETUP_MEMORY_TAGS 1
  51 #define CONFIG_INITRD_TAG       1
  52
  53 /*
  54  * LowLevel Init
  55  */
  56 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
  57 #define CONFIG_SYS_USE_MAIN_OSCILLATOR          1
  58 /* flash */
  59 #define CONFIG_SYS_EBI_CFGR_VAL 0x00000000
  60 #define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
  61
  62 /* clocks */
  63 #define CONFIG_SYS_PLLAR_VAL    0x20263E04 /* 179.712000 MHz for PCK */
  64 #define CONFIG_SYS_PLLBR_VAL    0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
  65 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
  66 #define CONFIG_SYS_MCKR_VAL     0x00000202
  67
  68 /* sdram */
  69 #define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
  70 #define CONFIG_SYS_PIOC_BSR_VAL 0x00000000
  71 #define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000
  72 #define CONFIG_SYS_EBI_CSA_VAL  0x00000002 /* CS1=CONFIG_SYS_SDRAM */
  73 #define CONFIG_SYS_SDRC_CR_VAL  0x2188c155 /* set up the CONFIG_SYS_SDRAM */
  74 #define CONFIG_SYS_SDRAM        0x20000000 /* address of the CONFIG_SYS_SDRAM */
  75 #define CONFIG_SYS_SDRAM1       0x20000080 /* address of the CONFIG_SYS_SDRAM */
  76 #define CONFIG_SYS_SDRAM_VAL    0x00000000 /* value written to CONFIG_SYS_SDRAM */
  77 #define CONFIG_SYS_SDRC_MR_VAL  0x00000002 /* Precharge All */
  78 #define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */
  79 #define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
  80 #define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */
  81 #define CONFIG_SYS_SDRC_TR_VAL  0x000002E0 /* Write refresh rate */
  82 #else
  83 #define CONFIG_SKIP_RELOCATE_UBOOT
  84 #endif  /* CONFIG_SKIP_LOWLEVEL_INIT */
  85
  86 /* hardcode so no __divsi3 : AT91C_MASTER_CLOCK / baudrate / 16 */
  87 #define CONFIG_SYS_AT91C_BRGR_DIVISOR   33
  88
  89 /*
  90  * Memory Configuration
  91  */
  92 #define CONFIG_NR_DRAM_BANKS            1
  93 #define PHYS_SDRAM                      0x20000000
  94 #define PHYS_SDRAM_SIZE                 0x02000000      /* 32 megs */
  95
  96 #define CONFIG_SYS_MEMTEST_START        PHYS_SDRAM
  97 #define CONFIG_SYS_MEMTEST_END          \
  98                 (CONFIG_SYS_MEMTEST_START + PHYS_SDRAM_SIZE - 262144)
  99
 100 /*
 101  * Hardware drivers
 102  */
 103
 104 /*
 105  * UART Configuration
 106  *
 107  * define one of these to choose the DBGU,
 108  * USART0 or USART1 as console
 109  */
 110 #define CONFIG_AT91RM9200_USART
 111 #define CONFIG_DBGU
 112 #undef CONFIG_USART0
 113 #undef CONFIG_USART1
 114 /* don't include RTS/CTS flow control support   */
 115 #undef  CONFIG_HWFLOW
 116 /* disable modem initialization stuff */
 117 #undef  CONFIG_MODEM_SUPPORT
 118
 119 #define CONFIG_SYS_BAUDRATE_TABLE       {115200 , 19200, 38400, 57600, 9600 }
 120 #define CONFIG_BAUDRATE                 115200
 121
 122 /*
 123  * Command line configuration.
 124  */
 125 #include <config_cmd_default.h>
 126
 127 #define CONFIG_CMD_DHCP
 128 #define CONFIG_CMD_FAT
 129 #define CONFIG_CMD_MII
 130 #define CONFIG_CMD_PING
 131
 132 #undef CONFIG_CMD_BDI
 133 #undef CONFIG_CMD_IMI
 134 #undef CONFIG_CMD_FPGA
 135 #undef CONFIG_CMD_MISC
 136 #undef CONFIG_CMD_LOADS
 137
 138 #include <asm/arch/AT91RM9200.h>        /* needed for port definitions */
 139 /* Options for MMC/SD Card */
 140 #define CONFIG_DOS_PARTITION    1
 141 #undef CONFIG_MMC
 142 #define CONFIG_SYS_MMC_BASE             0xFFFB4000
 143 #define CONFIG_SYS_MMC_BLOCKSIZE        512
 144
 145 /*
 146  * Network Driver Setting
 147  */
 148 #define CONFIG_NET_MULTI                1
 149 #ifdef CONFIG_NET_MULTI
 150 #define CONFIG_DRIVER_AT91EMAC          1
 151 #define CONFIG_SYS_RX_ETH_BUFFER        8
 152 #else
 153 #define CONFIG_DRIVER_ETHER             1
 154 #endif
 155 #define CONFIG_NET_RETRY_COUNT          20
 156 #define CONFIG_AT91C_USE_RMII
 157
 158 /*
 159  * AC Characteristics
 160  * DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns
 161  */
 162 #define DATAFLASH_TCSS  (0xC << 16)
 163 #define DATAFLASH_TCHS  (0x1 << 24)
 164
 165 #if defined(CONFIG_HAS_DATAFLASH)
 166 #define CONFIG_SYS_SPI_WRITE_TOUT               (5 * CONFIG_SYS_HZ)
 167 #define CONFIG_SYS_MAX_DATAFLASH_BANKS          2
 168 #define CONFIG_SYS_MAX_DATAFLASH_PAGES          16384
 169 /* Logical adress for CS0 */
 170 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0     0xC0000000
 171 /* Logical adress for CS3 */
 172 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3     0xD0000000
 173 #define CONFIG_SYS_SUPPORT_BLOCK_ERASE          1
 174 #define CONFIG_SYS_DATAFLASH_MMC_PIO            AT91C_PIO_PB22
 175 #endif
 176
 177 /*
 178  * NOR Flash
 179  */
 180 #define CONFIG_SYS_FLASH_BASE                   0x10000000
 181 #define PHYS_FLASH_SIZE                         0x800000        /* 8MB */
 182 #define CONFIG_SYS_FLASH_CFI                    1
 183 #define CONFIG_FLASH_CFI_DRIVER                 1
 184 #define CONFIG_SYS_MAX_FLASH_BANKS              1
 185 #define CONFIG_SYS_MAX_FLASH_SECT               256
 186 #define CONFIG_SYS_FLASH_PROTECTION
 187
 188 /*
 189  * Environment Settings
 190  */
 191 #ifdef CONFIG_ENV_IS_IN_DATAFLASH
 192 /*
 193  * Datasflash Environment Settings
 194  */
 195 #define CONFIG_ENV_OFFSET                       0x4200
 196 #define CONFIG_ENV_ADDR                 \
 197                 (CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
 198 /* 8 * 1056 really , but start.s is not OK with this*/
 199 #define CONFIG_ENV_SIZE                 0x2000
 200
 201 #else
 202 /*
 203  * NOR Flash Environment Settings
 204  */
 205 #define CONFIG_ENV_IS_IN_FLASH          1
 206
 207 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
 208 /*
 209  * between boot.bin and u-boot.bin.gz
 210  */
 211 #define CONFIG_ENV_ADDR                 (CONFIG_SYS_FLASH_BASE + 0xe000)
 212 #define CONFIG_ENV_SIZE                 0x10000 /* sectors are 64K here */
 213 #else
 214 /*
 215  * after u-boot.bin
 216  */
 217 #define CONFIG_ENV_ADDR                 \
 218                 (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN)
 219 #define CONFIG_ENV_SIZE                 0x10000 /* sectors are 64K here */
 220 /* The following #defines are needed to get flash environment right */
 221 #define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_FLASH_BASE
 222 #define CONFIG_SYS_MONITOR_LEN          \
 223                 (CONFIG_SYS_BOOT_SIZE + CONFIG_SYS_U_BOOT_SIZE)
 224 #endif  /* CONFIG_SKIP_LOWLEVEL_INIT */
 225
 226 #endif  /* CONFIG_ENV_IS_IN_DATAFLASH */
 227
 228 /*
 229  * Boot option
 230  */
 231 #define CONFIG_BOOTDELAY                3
 232
 233 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
 234 /* boot.bin, env, u-boot.bin.gz */
 235 #define CONFIG_SYS_BOOT_SIZE            0x6000 /* 24 KBytes */
 236 #define CONFIG_SYS_U_BOOT_BASE          (CONFIG_SYS_FLASH_BASE + 0x10000)
 237 #define CONFIG_SYS_U_BOOT_SIZE          0x10000 /* 64 KBytes */
 238 #else
 239 /* u-boot.bin */
 240 #define CONFIG_SYS_BOOT_SIZE            0x0 /* 0 KBytes */
 241 #define CONFIG_SYS_U_BOOT_BASE          CONFIG_SYS_FLASH_BASE
 242 #define CONFIG_SYS_U_BOOT_SIZE          0x40000 /* 128 KBytes */
 243 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
 244
 245 #define CONFIG_SYS_LOAD_ADDR            0x21000000 /* default load address */
 246 #define CONFIG_ENV_OVERWRITE    1
 247
 248 /*
 249  * USB Config
 250  */
 251 #define CONFIG_CMD_USB
 252 #define CONFIG_USB_OHCI_NEW     1
 253 #define CONFIG_USB_KEYBOARD     1
 254 #define CONFIG_USB_STORAGE      1
 255 #define CONFIG_DOS_PARTITION    1
 256
 257 #undef CONFIG_SYS_USB_OHCI_BOARD_INIT
 258 #define CONFIG_SYS_USB_OHCI_CPU_INIT            1
 259 #define CONFIG_SYS_USB_OHCI_REGS_BASE           AT91_USB_HOST_BASE
 260 #define CONFIG_SYS_USB_OHCI_SLOT_NAME           "at91rm9200"
 261 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      15
 262
 263 /*
 264  * I2C
 265  */
 266 #define CONFIG_HARD_I2C
 267
 268 #ifdef CONFIG_HARD_I2C
 269 #define CONFIG_CMD_I2C
 270 #define CONFIG_SYS_I2C_SPEED            0       /* not used */
 271 #define CONFIG_SYS_I2C_SLAVE            0       /* not used */
 272 #endif
 273
 274 /*
 275  * Shell Settings
 276  */
 277 #define CONFIG_CMDLINE_EDITING          1
 278 #define CONFIG_SYS_LONGHELP             1
 279 #define CONFIG_AUTO_COMPLETE            1
 280 #define CONFIG_SYS_HUSH_PARSER          1
 281 #define CONFIG_SYS_PROMPT               "U-Boot> "
 282 #define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
 283 #define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size */
 284 #define CONFIG_SYS_MAXARGS              16      /* max number of command args */
 285 /* Print Buffer Size */
 286 #define CONFIG_SYS_PBSIZE               \
 287                 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 288
 289 #ifndef __ASSEMBLY__
 290 /*-----------------------------------------------------------------------
 291  * Board specific extension for bd_info
 292  *
 293  * This structure is embedded in the global bd_info (bd_t) structure
 294  * and can be used by the board specific code (eg board/...)
 295  */
 296
 297 struct bd_info_ext {
 298         /* helper variable for board environment handling
 299          *
 300          * env_crc_valid == 0   =>      uninitialised
 301          * env_crc_valid > 0    =>      environment crc in flash is valid
 302          * env_crc_valid < 0    =>      environment crc in flash is invalid
 303          */
 304         int env_crc_valid;
 305 };
 306 #endif
 307
 308 #define CONFIG_SYS_HZ 1000
 309 /*
 310  * AT91C_TC0_CMR is implicitly set to
 311  * AT91C_TC_TIMER_DIV1_CLOCK
 312  */
 313 #define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2)
 314
 315 /*
 316  * Size of malloc() pool
 317  */
 318 #define CONFIG_SYS_MALLOC_LEN           ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024 \
 319                                              , 0x1000)
 320 /* size in bytes reserved for initial data */
 321 #define CONFIG_SYS_GBL_DATA_SIZE        128
 322
 323 #define CONFIG_STACKSIZE                (32 * 1024)     /* regular stack */
 324 #define CONFIG_STACKSIZE_IRQ            (4 * 1024) /* Unsure if to big or to small*/
 325 #define CONFIG_STACKSIZE_FIQ            (4 * 1024) /* Unsure if to big or to small*/
 326 #endif