include/configs/stamp9g20.h

   1 /*
   2  * (C) Copyright 2007-2008
   3  * Stelian Pop <stelian@popies.net>
   4  * Lead Tech Design <www.leadtechdesign.com>
   5  *
   6  * (C) Copyright 2010
   7  * Achim Ehrlich <aehrlich@taskit.de>
   8  * taskit GmbH <www.taskit.de>
   9  *
  10  * (C) Copyright 2012
  11  * Markus Hubig <mhubig@imko.de>
  12  * IMKO GmbH <www.imko.de>
  13  *
  14  * Configuation settings for the stamp9g20 CPU module.
  15  *
  16  * SPDX-License-Identifier:     GPL-2.0+
  17  */
  18
  19 #ifndef __CONFIG_H
  20 #define __CONFIG_H
  21
  22 /*
  23  * SoC must be defined first, before hardware.h is included.
  24  * In this case SoC is defined in boards.cfg.
  25  */
  26 #include <asm/hardware.h>
  27
  28 /*
  29  * Warning: changing CONFIG_SYS_TEXT_BASE requires adapting the initial boot
  30  * program. Since the linker has to swallow that define, we must use a pure
  31  * hex number here!
  32  */
  33 #define CONFIG_SYS_TEXT_BASE            0x23f00000
  34
  35 /* ARM asynchronous clock */
  36 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768           /* slow clock xtal */
  37 #define CONFIG_SYS_AT91_MAIN_CLOCK      18432000        /* 18.432MHz crystal */
  38
  39 /* misc settings */
  40 #define CONFIG_CMDLINE_TAG              /* pass commandline to Kernel */
  41 #define CONFIG_SETUP_MEMORY_TAGS        /* pass memory defs to kernel */
  42 #define CONFIG_INITRD_TAG               /* pass initrd param to kernel */
  43 #define CONFIG_SKIP_LOWLEVEL_INIT       /* U-Boot is loaded by a bootloader */
  44 #define CONFIG_BOARD_EARLY_INIT_f       /* call board_early_init_f() */
  45 #define CONFIG_BOARD_POSTCLK_INIT       /* call board_postclk_init() */
  46 #define CONFIG_DISPLAY_CPUINFO          /* display CPU Info at startup */
  47
  48 /* setting board specific options */
  49 #ifdef CONFIG_PORTUXG20
  50 # define CONFIG_MACH_TYPE               MACH_TYPE_PORTUXG20
  51 # define CONFIG_MACB
  52 #else
  53 # define CONFIG_MACH_TYPE               MACH_TYPE_STAMP9G20
  54 #endif
  55
  56 /*
  57  * SDRAM: 1 bank, 64 MB, base address 0x20000000
  58  * Already initialized before u-boot gets started.
  59  */
  60 #define CONFIG_NR_DRAM_BANKS            1
  61 #define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
  62 #define CONFIG_SYS_SDRAM_SIZE           (64 << 20)
  63
  64 /*
  65  * Perform a SDRAM Memtest from the start of SDRAM
  66  * till the beginning of the U-Boot position in RAM.
  67  */
  68 #define CONFIG_SYS_MEMTEST_START        CONFIG_SYS_SDRAM_BASE
  69 #define CONFIG_SYS_MEMTEST_END          (CONFIG_SYS_TEXT_BASE - 0x100000)
  70
  71 /* Size of malloc() pool */
  72 #define CONFIG_SYS_MALLOC_LEN \
  73         ROUND(3 * CONFIG_ENV_SIZE + (128 << 10), 0x1000)
  74
  75 /*
  76  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
  77  * leaving the correct space for initial global data structure above that
  78  * address while providing maximum stack area below.
  79  */
  80 #define CONFIG_SYS_INIT_SP_ADDR \
  81         (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
  82
  83 /* NAND flash settings */
  84 #define CONFIG_NAND_ATMEL
  85 #define CONFIG_SYS_NO_FLASH
  86 #define CONFIG_SYS_MAX_NAND_DEVICE      1
  87 #define CONFIG_SYS_NAND_BASE            ATMEL_BASE_CS3
  88 #define CONFIG_SYS_NAND_DBW_8
  89 #define CONFIG_SYS_NAND_MASK_ALE        (1 << 21)
  90 #define CONFIG_SYS_NAND_MASK_CLE        (1 << 22)
  91 #define CONFIG_SYS_NAND_ENABLE_PIN      AT91_PIN_PC14
  92 #define CONFIG_SYS_NAND_READY_PIN       AT91_PIN_PC13
  93
  94 /* general purpose I/O */
  95 #define CONFIG_ATMEL_LEGACY             /* required until (g)pio is fixed */
  96 #define CONFIG_AT91_GPIO                /* enable the GPIO features */
  97 #define CONFIG_AT91_GPIO_PULLUP 1       /* keep pullups on peripheral pins */
  98
  99 /* serial console */
 100 #define CONFIG_ATMEL_USART
 101 #define CONFIG_USART_BASE               ATMEL_BASE_DBGU
 102 #define CONFIG_USART_ID                 ATMEL_ID_SYS
 103 #define CONFIG_BAUDRATE                 115200
 104
 105 /* LED configuration */
 106 #define CONFIG_STATUS_LED
 107 #define CONFIG_BOARD_SPECIFIC_LED
 108
 109 /* The LED PINs */
 110 #define CONFIG_RED_LED                  AT91_PIN_PC5
 111 #define CONFIG_GREEN_LED                AT91_PIN_PC4
 112 #define CONFIG_YELLOW_LED               AT91_PIN_PC10
 113
 114 #define STATUS_LED_RED                  0
 115 #define STATUS_LED_GREEN                1
 116 #define STATUS_LED_YELLOW               2
 117
 118 /* Red LED */
 119 #define STATUS_LED_BIT                  STATUS_LED_RED
 120 #define STATUS_LED_STATE                STATUS_LED_OFF
 121 #define STATUS_LED_PERIOD               (CONFIG_SYS_HZ / 2)
 122
 123 /* Green LED */
 124 #define STATUS_LED_BIT1                 STATUS_LED_GREEN
 125 #define STATUS_LED_STATE1               STATUS_LED_ON
 126 #define STATUS_LED_PERIOD1              (CONFIG_SYS_HZ / 2)
 127
 128 /* Yellow LED */
 129 #define STATUS_LED_BIT2                 STATUS_LED_YELLOW
 130 #define STATUS_LED_STATE2               STATUS_LED_OFF
 131 #define STATUS_LED_PERIOD2              (CONFIG_SYS_HZ / 2)
 132
 133 /* Boot status LED */
 134 #define STATUS_LED_BOOT                 STATUS_LED_GREEN
 135
 136 /*
 137  * Ethernet configuration
 138  *
 139  * PortuxG20 has always ethernet but for Stamp9G20 you
 140  * can enable it here if your baseboard features ethernet.
 141  */
 142
 143 /* #define CONFIG_MACB */
 144
 145 #ifdef CONFIG_MACB
 146 # define CONFIG_RMII                    /* use reduced MII inteface */
 147 # define CONFIG_NET_RETRY_COUNT 20      /* # of DHCP/BOOTP retries */
 148
 149 /* BOOTP and DHCP options */
 150 # define CONFIG_BOOTP_BOOTFILESIZE
 151 # define CONFIG_BOOTP_BOOTPATH
 152 # define CONFIG_BOOTP_GATEWAY
 153 # define CONFIG_BOOTP_HOSTNAME
 154 # define CONFIG_NFSBOOTCOMMAND                                          \
 155         "setenv autoload yes; setenv autoboot yes; "                    \
 156         "setenv bootargs ${basicargs} ${mtdparts} "                     \
 157         "root=/dev/nfs ip=dhcp nfsroot=${serverip}:/srv/nfs/rootfs; "   \
 158         "dhcp"
 159 #endif /* CONFIG_MACB */
 160
 161 /* Enable the watchdog */
 162 #define CONFIG_AT91SAM9_WATCHDOG
 163 #define CONFIG_HW_WATCHDOG
 164
 165 /* USB configuration */
 166 #define CONFIG_USB_ATMEL
 167 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
 168 #define CONFIG_USB_OHCI_NEW
 169 #define CONFIG_USB_STORAGE
 170 #define CONFIG_DOS_PARTITION
 171 #define CONFIG_SYS_USB_OHCI_CPU_INIT
 172 #define CONFIG_SYS_USB_OHCI_REGS_BASE   ATMEL_UHP_BASE
 173 #define CONFIG_SYS_USB_OHCI_SLOT_NAME   "at91sam9260"
 174 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      2
 175
 176 /* General Boot Parameter */
 177 #define CONFIG_BOOTDELAY                3
 178 #define CONFIG_BOOTCOMMAND              "run flashboot"
 179 #define CONFIG_SYS_PROMPT               "U-Boot> "
 180 #define CONFIG_SYS_CBSIZE               256
 181 #define CONFIG_SYS_MAXARGS              16
 182 #define CONFIG_SYS_PBSIZE \
 183         (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
 184 #define CONFIG_SYS_LONGHELP
 185 #define CONFIG_CMDLINE_EDITING
 186
 187 /*
 188  * RAM Memory address where to put the
 189  * Linux Kernel befor starting.
 190  */
 191 #define CONFIG_SYS_LOAD_ADDR            0x22000000
 192
 193 /*
 194  * The NAND Flash partitions:
 195  * ==========================================
 196  * 0x0000000-0x001ffff -> 128k, bootstrap
 197  * 0x0020000-0x005ffff -> 256k, u-boot
 198  * 0x0060000-0x007ffff -> 128k, env1
 199  * 0x0080000-0x009ffff -> 128k, env2 (backup)
 200  * 0x0100000-0x06fffff ->   6M, kernel
 201  * 0x0700000-0x8000000 -> 121M, RootFS
 202  */
 203 #define CONFIG_ENV_IS_IN_NAND
 204 #define CONFIG_ENV_OFFSET               ((128 + 256) << 10)
 205 #define CONFIG_ENV_OFFSET_REDUND        ((128 + 256 + 128) << 10)
 206 #define CONFIG_ENV_SIZE                 (128 << 10)
 207
 208 /*
 209  * Predefined environment variables.
 210  * Usefull to define some easy to use boot commands.
 211  */
 212 #define CONFIG_EXTRA_ENV_SETTINGS                                       \
 213                                                                         \
 214         "basicargs=console=ttyS0,115200\0"                              \
 215                                                                         \
 216         "mtdparts=mtdparts=atmel_nand:128k(bootstrap)ro,"               \
 217                 "256k(uboot)ro,128k(env1)ro,"                           \
 218                 "128k(env2)ro,6M(linux),-(root)rw\0"                    \
 219                                                                         \
 220         "flashboot=setenv bootargs ${basicargs} ${mtdparts} "           \
 221                 "root=/dev/mtdblock5 rootfstype=jffs2; "                \
 222                 "nand read 0x22000000 0x100000 0x600000; "              \
 223                 "bootm 22000000\0"                                      \
 224                                                                         \
 225         "sdboot=setenv bootargs ${basicargs} ${mtdparts} "              \
 226                 "root=/dev/mmcblk0p1 rootwait; "                        \
 227                 "nand read 0x22000000 0x100000 0x600000; "              \
 228                 "bootm 22000000"
 229
 230 /* Command line & features configuration */
 231 #include <config_cmd_default.h>
 232 #undef CONFIG_CMD_FPGA
 233 #undef CONFIG_CMD_IMI
 234 #undef CONFIG_CMD_IMLS
 235 #undef CONFIG_CMD_LOADS
 236
 237 #define CONFIG_CMD_NAND
 238 #define CONFIG_CMD_USB
 239 #define CONFIG_CMD_FAT
 240 #define CONFIG_CMD_LED
 241
 242 #ifdef CONFIG_MACB
 243 # define CONFIG_CMD_PING
 244 # define CONFIG_CMD_DHCP
 245 #else
 246 # undef CONFIG_CMD_BOOTD
 247 # undef CONFIG_CMD_NET
 248 # undef CONFIG_CMD_NFS
 249 #endif /* CONFIG_MACB */
 250
 251 #endif /* __CONFIG_H */