include/configs/tny_a9260.h

   1 /*
   2  * (C) Copyright 2007-2008
   3  * Stelian Pop <stelian.pop@leadtechdesign.com>
   4  * Lead Tech Design <www.leadtechdesign.com>
   5  *
   6  * Copyright (C) 2009
   7  * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
   8  *
   9  * Configuation settings for the Calao TNY-A9260 and TNY-A9G20 boards
  10  *
  11  * See file CREDITS for list of people who contributed to this
  12  * project.
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License as
  16  * published by the Free Software Foundation; either version 2 of
  17  * the License, or (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  27  * MA 02111-1307 USA
  28  */
  29
  30 #ifndef __CONFIG_H
  31 #define __CONFIG_H
  32
  33 #define CONFIG_AT91_LEGACY
  34
  35 #if defined(CONFIG_TNY_A9260_NANDFLASH) || defined(CONFIG_TNY_A9260_EEPROM)
  36 #define CONFIG_TNY_A9260
  37 #elif defined(CONFIG_TNY_A9G20_NANDFLASH) || defined(CONFIG_TNY_A9G20_EEPROM)
  38 #define CONFIG_TNY_A9G20
  39 #endif
  40
  41 #ifdef CONFIG_TNY_A9260
  42 #define CONFIG_AT91SAM9260
  43 #else
  44 #define CONFIG_AT91SAM9G20
  45 #endif
  46
  47 #if defined(CONFIG_TNY_A9260_NANDFLASH) || defined(CONFIG_TNY_A9G20_NANDFLASH)
  48 #define CONFIG_ENV_IS_IN_NAND
  49 #else
  50 #define CONFIG_ENV_IS_IN_EEPROM
  51 #endif
  52
  53 /* ARM asynchronous clock */
  54 #define CONFIG_SYS_AT91_MAIN_CLOCK      12000000        /* 12 MHz crystal */
  55 #define CONFIG_SYS_HZ           1000
  56
  57 #define CONFIG_ARM926EJS        1       /* This is an ARM926EJS Core */
  58 #define CONFIG_ARCH_CPU_INIT
  59 #undef CONFIG_USE_IRQ                   /* we don't need IRQ/FIQ stuff  */
  60
  61 #define CONFIG_CMDLINE_TAG      1       /* enable passing of ATAGs      */
  62 #define CONFIG_SETUP_MEMORY_TAGS 1
  63 #define CONFIG_INITRD_TAG       1
  64
  65 #define CONFIG_SKIP_LOWLEVEL_INIT
  66 #define CONFIG_SKIP_RELOCATE_UBOOT
  67
  68 /*
  69  * Hardware drivers
  70  */
  71 #define CONFIG_AT91_GPIO        1
  72 #define CONFIG_ATMEL_USART      1
  73 #undef CONFIG_USART0
  74 #undef CONFIG_USART1
  75 #undef CONFIG_USART2
  76 #define CONFIG_USART3           1       /* USART 3 is DBGU */
  77
  78 #define CONFIG_BOOTDELAY        3
  79
  80 /*
  81  * Command line configuration.
  82  */
  83 #include <config_cmd_default.h>
  84 #undef CONFIG_CMD_BDI
  85 #undef CONFIG_CMD_FPGA
  86 #undef CONFIG_CMD_IMI
  87 #undef CONFIG_CMD_IMLS
  88 #undef CONFIG_CMD_LOADS
  89 #undef CONFIG_CMD_NET
  90 #undef CONFIG_CMD_SOURCE
  91 #undef CONFIG_CMD_USB
  92
  93 /* SDRAM */
  94 #define CONFIG_NR_DRAM_BANKS            1
  95 #define PHYS_SDRAM                      0x20000000
  96 #define PHYS_SDRAM_SIZE                 0x04000000      /* 64 megs */
  97
  98 /* SPI EEPROM */
  99 #define CONFIG_SPI
 100 #define CONFIG_CMD_SPI
 101 #define CONFIG_ATMEL_SPI
 102 #define CONFIG_SYS_SPI_WRITE_TOUT               (5 * CONFIG_SYS_HZ)
 103
 104 #define CONFIG_CMD_EEPROM
 105 #define CONFIG_SPI_M95XXX
 106 #define CONFIG_SYS_EEPROM_SIZE 0x10000
 107 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
 108
 109 /* NAND flash */
 110 #define CONFIG_CMD_NAND
 111 #define CONFIG_NAND_ATMEL
 112 #define CONFIG_SYS_MAX_NAND_DEVICE              1
 113 #define CONFIG_SYS_NAND_BASE                    0x40000000
 114 #define CONFIG_SYS_NAND_DBW_8                   1
 115 /* our ALE is AD21 */
 116 #define CONFIG_SYS_NAND_MASK_ALE                (1 << 21)
 117 /* our CLE is AD22 */
 118 #define CONFIG_SYS_NAND_MASK_CLE                (1 << 22)
 119 #define CONFIG_SYS_NAND_ENABLE_PIN              AT91_PIN_PC14
 120 #define CONFIG_SYS_NAND_READY_PIN               AT91_PIN_PC13
 121
 122 /* NOR flash - no real flash on this board */
 123 #define CONFIG_SYS_NO_FLASH                     1
 124
 125 #define CONFIG_DOS_PARTITION            1
 126 #define CONFIG_CMD_FAT                  1
 127
 128 #define CONFIG_SYS_LOAD_ADDR                    0x22000000      /* load address */
 129
 130 #define CONFIG_SYS_MEMTEST_START                PHYS_SDRAM
 131 #define CONFIG_SYS_MEMTEST_END                  0x23e00000
 132
 133 /* Env in EEPROM, bootstrap + u-boot in NAND*/
 134 #ifdef CONFIG_ENV_IS_IN_EEPROM
 135 #define CONFIG_ENV_OFFSET               0x20
 136 #define CONFIG_ENV_SIZE         0x1000
 137 #endif
 138
 139 /* Env, bootstrap and u-boot in NAND */
 140 #ifdef CONFIG_ENV_IS_IN_NAND
 141 #define CONFIG_ENV_OFFSET 0x60000
 142 #define CONFIG_ENV_OFFSET_REDUND 0x80000
 143 #define CONFIG_ENV_SIZE 0x20000
 144 #endif
 145
 146 #define CONFIG_BOOTCOMMAND      "nboot 0x21000000 0 400000"
 147 #define CONFIG_BOOTARGS         "console=ttyS0,115200 " \
 148                                 "root=/dev/mtdblock1 " \
 149                                 "mtdparts=atmel_nand:16M(kernel)ro," \
 150                                 "120M(rootfs),-(other) " \
 151                                 "rw rootfstype=jffs2"
 152
 153 #define CONFIG_BAUDRATE         115200
 154 #define CONFIG_SYS_BAUDRATE_TABLE       {115200 , 19200, 38400, 57600, 9600 }
 155
 156 #define CONFIG_SYS_PROMPT       "U-Boot> "
 157 #define CONFIG_SYS_CBSIZE       256
 158 #define CONFIG_SYS_MAXARGS      16
 159 #define CONFIG_SYS_PBSIZE       (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 160 #define CONFIG_SYS_LONGHELP     1
 161 #define CONFIG_CMDLINE_EDITING  1
 162
 163 /*
 164  * Size of malloc() pool
 165  */
 166 #define CONFIG_SYS_MALLOC_LEN   ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024, 0x1000)
 167
 168 #define CONFIG_STACKSIZE        (32 * 1024)     /* regular stack */
 169
 170 #ifdef CONFIG_USE_IRQ
 171 #error CONFIG_USE_IRQ not supported
 172 #endif
 173
 174 #endif