include/configs/sbc35_a9g20.h

   1 /*
   2  * Copyright (C) 2009
   3  * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
   4  *
   5  * Configuation settings for the Calao SBC35-A9G20 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 #define CONFIG_AT91_LEGACY
  30
  31 #if defined(CONFIG_SBC35_A9G20_NANDFLASH) || defined(CONFIG_SBC35_A9G20_EEPROM)
  32 #define CONFIG_SBC35_A9G20
  33 #endif
  34
  35 #define CONFIG_AT91SAM9G20
  36
  37 #if defined(CONFIG_SBC35_A9G20_NANDFLASH)
  38 #define CONFIG_ENV_IS_IN_NAND
  39 #else
  40 #define CONFIG_ENV_IS_IN_EEPROM
  41 #endif
  42
  43 /* ARM asynchronous clock */
  44 #define AT91_MAIN_CLOCK         12000000        /* 12.000 MHz crystal */
  45 #define CONFIG_SYS_HZ           1000
  46
  47 #define CONFIG_ARM926EJS        1       /* This is an ARM926EJS Core    */
  48
  49 #define CONFIG_ARCH_CPU_INIT
  50 #undef CONFIG_USE_IRQ                   /* we don't need IRQ/FIQ stuff  */
  51
  52 #define CONFIG_CMDLINE_TAG              1       /* enable passing of ATAGs */
  53 #define CONFIG_SETUP_MEMORY_TAGS        1
  54 #define CONFIG_INITRD_TAG               1
  55
  56 #define CONFIG_SKIP_LOWLEVEL_INIT
  57 #define CONFIG_SKIP_RELOCATE_UBOOT
  58
  59 /*
  60  * Hardware drivers
  61  */
  62 #define CONFIG_ATMEL_USART
  63 #define CONFIG_USART0
  64 #undef CONFIG_USART1
  65 #undef CONFIG_USART2
  66 #undef CONFIG_USART3
  67
  68 #define CONFIG_BOOTDELAY        3
  69
  70 /*
  71  * BOOTP options
  72  */
  73 #define CONFIG_BOOTP_BOOTFILESIZE       1
  74 #define CONFIG_BOOTP_BOOTPATH           1
  75 #define CONFIG_BOOTP_GATEWAY            1
  76 #define CONFIG_BOOTP_HOSTNAME           1
  77
  78 /*
  79  * Command line configuration.
  80  */
  81 #include <config_cmd_default.h>
  82 #undef CONFIG_CMD_BDI
  83 #undef CONFIG_CMD_FPGA
  84 #undef CONFIG_CMD_IMI
  85 #undef CONFIG_CMD_IMLS
  86 #undef CONFIG_CMD_LOADS
  87 #undef CONFIG_CMD_SOURCE
  88
  89 #define CONFIG_CMD_PING         1
  90 #define CONFIG_CMD_DHCP         1
  91 #define CONFIG_CMD_USB          1
  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 /* SPI RTC */
 110 #define CONFIG_CMD_DATE
 111 #define CONFIG_RTC_M41T94
 112 #define CONFIG_M41T94_SPI_BUS 0
 113 #define CONFIG_M41T94_SPI_CS 0
 114
 115 /* NAND flash */
 116 #define CONFIG_CMD_NAND
 117 #define CONFIG_NAND_ATMEL
 118 #define CONFIG_SYS_MAX_NAND_DEVICE              1
 119 #define CONFIG_SYS_NAND_BASE                    0x40000000
 120 #define CONFIG_SYS_NAND_DBW_8                   1
 121 /* our ALE is AD21 */
 122 #define CONFIG_SYS_NAND_MASK_ALE                (1 << 21)
 123 /* our CLE is AD22 */
 124 #define CONFIG_SYS_NAND_MASK_CLE                (1 << 22)
 125 #define CONFIG_SYS_NAND_ENABLE_PIN              AT91_PIN_PC14
 126 #define CONFIG_SYS_NAND_READY_PIN               AT91_PIN_PC13
 127
 128 /* NOR flash - no real flash on this board */
 129 #define CONFIG_SYS_NO_FLASH                     1
 130
 131 /* Ethernet */
 132 #define CONFIG_MACB                     1
 133 #define CONFIG_RMII                     1
 134 #define CONFIG_NET_MULTI                1
 135 #define CONFIG_NET_RETRY_COUNT          20
 136 #define CONFIG_RESET_PHY_R              1
 137 #define CONFIG_MACB_SEARCH_PHY          1
 138
 139 /* USB */
 140 #define CONFIG_USB_ATMEL
 141 #define CONFIG_USB_OHCI_NEW             1
 142 #define CONFIG_DOS_PARTITION            1
 143 #define CONFIG_SYS_USB_OHCI_CPU_INIT    1
 144 #define CONFIG_SYS_USB_OHCI_REGS_BASE   0x00500000      /* AT91SAM9260_UHP_BASE */
 145 #define CONFIG_SYS_USB_OHCI_SLOT_NAME   "at91sam9260"
 146 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      2
 147 #define CONFIG_USB_STORAGE              1
 148 #define CONFIG_CMD_FAT                  1
 149
 150 #define CONFIG_SYS_LOAD_ADDR            0x22000000      /* load address */
 151
 152 #define CONFIG_SYS_MEMTEST_START        PHYS_SDRAM
 153 #define CONFIG_SYS_MEMTEST_END          0x23e00000
 154
 155 /* Env in EEPROM, bootstrap + u-boot in NAND*/
 156 #ifdef CONFIG_ENV_IS_IN_EEPROM
 157 #define CONFIG_ENV_OFFSET       0x20
 158 #define CONFIG_ENV_SIZE         0x1000
 159 #endif
 160
 161 /* Env, bootstrap and u-boot in NAND */
 162 #ifdef CONFIG_ENV_IS_IN_NAND
 163 #define CONFIG_ENV_OFFSET               0x60000
 164 #define CONFIG_ENV_OFFSET_REDUND        0x80000
 165 #define CONFIG_ENV_SIZE                 0x20000
 166 #endif
 167
 168 #define CONFIG_BOOTCOMMAND      "nboot 0x21000000 0 400000"
 169 #define CONFIG_BOOTARGS         "console=ttyS0,115200 " \
 170                                 "root=/dev/mtdblock1 " \
 171                                 "mtdparts=atmel_nand:16M(kernel)ro," \
 172                                 "120M(rootfs),-(other) " \
 173                                 "rw rootfstype=jffs2"
 174
 175 #define CONFIG_BAUDRATE                 115200
 176 #define CONFIG_SYS_BAUDRATE_TABLE       {115200 , 19200, 38400, 57600, 9600 }
 177
 178 #define CONFIG_SYS_PROMPT       "U-Boot> "
 179 #define CONFIG_SYS_CBSIZE       256
 180 #define CONFIG_SYS_MAXARGS      16
 181 #define CONFIG_SYS_PBSIZE       (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 182 #define CONFIG_SYS_LONGHELP     1
 183 #define CONFIG_CMDLINE_EDITING  1
 184
 185 /*
 186  * Size of malloc() pool
 187  */
 188 #define CONFIG_SYS_MALLOC_LEN   ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024, 0x1000)
 189 #define CONFIG_SYS_GBL_DATA_SIZE        128     /* 128 bytes for initial data */
 190 #define CONFIG_STACKSIZE                (32 * 1024)     /* regular stack */
 191
 192 #ifdef CONFIG_USE_IRQ
 193 #error CONFIG_USE_IRQ not supported
 194 #endif
 195
 196 #endif