include/configs/bur_am335x_common.h

   1 /*
   2  * bur_am335x_common.h
   3  *
   4  * common parts used by B&R AM335x based boards
   5  *
   6  * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at> -
   7  * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
   8  *
   9  * SPDX-License-Identifier:        GPL-2.0+
  10  */
  11
  12 #ifndef __BUR_AM335X_COMMON_H__
  13 #define __BUR_AM335X_COMMON_H__
  14 /* ------------------------------------------------------------------------- */
  15 #define BUR_COMMON_ENV \
  16 "usbscript=usb start && fatload usb 0 0x80000000 usbscript.img && source\0" \
  17 "defaultip=192.168.60.253\0" \
  18 "defaultsip=192.168.60.254\0" \
  19 "netconsole=echo switching to network console ...; " \
  20 "if dhcp; then " \
  21 "setenv ncip ${serverip}; else " \
  22 "setenv ncip 192.168.60.254; " \
  23 "setenv serverip 192.168.60.254; " \
  24 "setenv gatewayip 192.168.60.254; " \
  25 "setenv ipaddr 192.168.60.1; " \
  26 "fi;" \
  27 "setenv netdisplay0 '" \
  28 "setcurs 1 9; puts myip; setcurs 10 9; puts ${ipaddr};" \
  29 "setcurs 1 10;puts serverip; setcurs 10 10; puts ${serverip};" \
  30 "run netdisplay0; " \
  31 "setenv stdout nc;setenv stdin nc;setenv stderr nc\0"
  32
  33 #define CONFIG_CMD_TIME
  34
  35 #define CONFIG_SYS_GENERIC_BOARD
  36
  37 #define CONFIG_AM33XX
  38 #define CONFIG_OMAP
  39 #define CONFIG_OMAP_COMMON
  40 #define CONFIG_BOARD_LATE_INIT
  41 #define CONFIG_SYS_CACHELINE_SIZE       64
  42 #define CONFIG_MAX_RAM_BANK_SIZE        (1024 << 20)    /* 1GB */
  43
  44 /* Timer information */
  45 #define CONFIG_SYS_PTV                  2       /* Divisor: 2^(PTV+1) => 8 */
  46 #define CONFIG_SYS_TIMERBASE            0x48040000      /* Use Timer2 */
  47 #define CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC     /* enable 32kHz OSC at bootime */
  48 #define CONFIG_SPL_POWER_SUPPORT
  49 #define CONFIG_POWER_TPS65217
  50
  51 #define CONFIG_SYS_NO_FLASH             /* have no NOR-flash */
  52
  53 #include <asm/arch/omap.h>
  54
  55 /* NS16550 Configuration */
  56 #define CONFIG_SYS_NS16550
  57 #define CONFIG_SYS_NS16550_SERIAL
  58 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
  59 #define CONFIG_SYS_NS16550_CLK          48000000
  60 #define CONFIG_SYS_NS16550_COM1         0x44e09000      /* UART0 */
  61 #define CONFIG_BAUDRATE                 115200
  62
  63 /* Network defines */
  64 #define CONFIG_CMD_NET                  /* 'bootp' and 'tftp' */
  65 #define CONFIG_CMD_DHCP
  66 #define CONFIG_BOOTP_DNS                /* Configurable parts of CMD_DHCP */
  67 #define CONFIG_BOOTP_SEND_HOSTNAME
  68 #define CONFIG_BOOTP_GATEWAY
  69 #define CONFIG_BOOTP_SUBNETMASK
  70 #define CONFIG_NET_RETRY_COUNT          2
  71 #define CONFIG_CMD_PING
  72 #define CONFIG_DRIVER_TI_CPSW           /* Driver for IP block */
  73 #define CONFIG_MII                      /* Required in net/eth.c */
  74 #define CONFIG_SPL_ETH_SUPPORT
  75 #define CONFIG_PHYLIB
  76 #define CONFIG_PHY_NATSEMI
  77 #define CONFIG_SPL_NET_SUPPORT
  78 #define CONFIG_SPL_ENV_SUPPORT          /* used for a fetching MAC-Address */
  79 #define CONFIG_SPL_NET_VCI_STRING       "AM335x U-Boot SPL"
  80 /* Network console */
  81 #define CONFIG_NETCONSOLE                       1
  82 #define CONFIG_BOOTP_MAY_FAIL           /* if we don't have DHCP environment */
  83 /*
  84  * SPL related defines.  The Public RAM memory map the ROM defines the
  85  * area between 0x402F0400 and 0x4030B800 as a download area and
  86  * 0x4030B800 to 0x4030CE00 as a public stack area.  The ROM also
  87  * supports X-MODEM loading via UART, and we leverage this and then use
  88  * Y-MODEM to load u-boot.img, when booted over UART.
  89  */
  90 #define CONFIG_SPL_TEXT_BASE            0x402F0400
  91 #define CONFIG_SPL_MAX_SIZE             (0x4030B800 - CONFIG_SPL_TEXT_BASE)
  92
  93 /*
  94  * Since SPL did pll and ddr initialization for us,
  95  * we don't need to do it twice.
  96  */
  97 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
  98 #define CONFIG_SKIP_LOWLEVEL_INIT
  99 #endif /* !CONFIG_SPL_BUILD, ... */
 100 /*
 101  * Our DDR memory always starts at 0x80000000 and U-Boot shall have
 102  * relocated itself to higher in memory by the time this value is used.
 103  */
 104 #define CONFIG_SYS_LOAD_ADDR            0x80000000
 105 /*
 106  * ----------------------------------------------------------------------------
 107  * DDR information.  We say (for simplicity) that we have 1 bank,
 108  * always, even when we have more.  We always start at 0x80000000,
 109  * and we place the initial stack pointer in our SRAM.
 110  */
 111 #define CONFIG_NR_DRAM_BANKS            1
 112 #define CONFIG_SYS_SDRAM_BASE           0x80000000
 113 #define CONFIG_SYS_INIT_SP_ADDR         (NON_SECURE_SRAM_END - \
 114                                         GENERATED_GBL_DATA_SIZE)
 115
 116 /* I2C */
 117 #define CONFIG_SYS_I2C
 118 #define CONFIG_SYS_OMAP24_I2C_SPEED     100000
 119 #define CONFIG_SYS_OMAP24_I2C_SLAVE     1
 120 #define CONFIG_SYS_I2C_OMAP24XX
 121 #define CONFIG_CMD_I2C
 122 /* GPIO */
 123 #define CONFIG_OMAP_GPIO
 124 #define CONFIG_CMD_GPIO
 125 /*
 126  * ----------------------------------------------------------------------------
 127  * The following are general good-enough settings for U-Boot.  We set a
 128  * large malloc pool as we generally have a lot of DDR, and we opt for
 129  * function over binary size in the main portion of U-Boot as this is
 130  * generally easily constrained later if needed.  We enable the config
 131  * options that give us information in the environment about what board
 132  * we are on so we do not need to rely on the command prompt.  We set a
 133  * console baudrate of 115200 and use the default baud rate table.
 134  */
 135 #define CONFIG_SYS_MALLOC_LEN           (5120 << 10)
 136 #define CONFIG_SYS_HUSH_PARSER
 137 #define CONFIG_SYS_PROMPT               "U-Boot (BuR V2.0)# "
 138 #define CONFIG_SYS_CONSOLE_INFO_QUIET
 139 #define CONFIG_ENV_OVERWRITE            /* Overwrite ethaddr / serial# */
 140 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
 141 #define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
 142
 143 /* As stated above, the following choices are optional. */
 144 #define CONFIG_SYS_LONGHELP
 145 #define CONFIG_AUTO_COMPLETE
 146 #define CONFIG_CMDLINE_EDITING
 147 #define CONFIG_VERSION_VARIABLE
 148
 149 /* We set the max number of command args high to avoid HUSH bugs. */
 150 #define CONFIG_SYS_MAXARGS              64
 151
 152 /* Console I/O Buffer Size */
 153 #define CONFIG_SYS_CBSIZE               512
 154 /* Print Buffer Size */
 155 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE +\
 156                                         sizeof(CONFIG_SYS_PROMPT) + 16)
 157 /* Boot Argument Buffer Size */
 158 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
 159 /*
 160  * For commands to use, we take the default list and add a few other
 161  * useful commands.  Note that we must have set CONFIG_SYS_NO_FLASH
 162  * prior to this include, in order to skip a few commands.  When we do
 163  * have flash, if we expect these commands they must be enabled in that
 164  * config.  If desired, a specific list of desired commands can be used
 165  * instead.
 166  */
 167 #include <config_cmd_default.h>
 168 /* undefine commands, which we do not need */
 169 #undef CONFIG_CMD_EDITENV
 170 #undef CONFIG_CMD_FPGA
 171 #undef CONFIG_CMD_IMI
 172 #undef CONFIG_CMD_ITEST
 173 #undef CONFIG_CMD_LOADS
 174 #undef CONFIG_CMD_LOADB
 175 #undef CONFIG_CMD_NFS
 176 #undef CONFIG_CMD_SETGETDCR
 177 #undef CONFIG_CMD_XIMG
 178 /* define command we need always */
 179 #define CONFIG_CMD_ECHO
 180 #define CONFIG_CMD_SOURCE
 181
 182 /*
 183  * Our platforms make use of SPL to initalize the hardware (primarily
 184  * memory) enough for full U-Boot to be loaded.  We also support Falcon
 185  * Mode so that the Linux kernel can be booted directly from SPL
 186  * instead, if desired.  We make use of the general SPL framework found
 187  * under common/spl/.  Given our generally common memory map, we set a
 188  * number of related defaults and sizes here.
 189  */
 190 #define CONFIG_SPL_FRAMEWORK
 191 /*
 192  * Place the image at the start of the ROM defined image space.
 193  * We limit our size to the ROM-defined downloaded image area, and use the
 194  * rest of the space for stack.  We load U-Boot itself into memory at
 195  * 0x80800000 for legacy reasons (to not conflict with older SPLs).  We
 196  * have our BSS be placed 1MiB after this, to allow for the default
 197  * Linux kernel address of 0x80008000 to work, in the Falcon Mode case.
 198  * We have the SPL malloc pool at the end of the BSS area.
 199  *
 200  * ----------------------------------------------------------------------------
 201  */
 202 #undef  CONFIG_SYS_TEXT_BASE
 203 #define CONFIG_SYS_TEXT_BASE            0x80800000
 204 #define CONFIG_SPL_BSS_START_ADDR       0x80A00000
 205 #define CONFIG_SPL_BSS_MAX_SIZE         0x80000         /* 512 KB */
 206 #define CONFIG_SYS_SPL_MALLOC_START     (CONFIG_SPL_BSS_START_ADDR + \
 207                                         CONFIG_SPL_BSS_MAX_SIZE)
 208 #define CONFIG_SYS_SPL_MALLOC_SIZE      CONFIG_SYS_MALLOC_LEN
 209
 210 /* General parts of the framework, required. */
 211 #define CONFIG_SPL_I2C_SUPPORT
 212 #define CONFIG_SPL_LIBCOMMON_SUPPORT
 213 #define CONFIG_SPL_LIBGENERIC_SUPPORT
 214 #define CONFIG_SPL_SERIAL_SUPPORT
 215 #define CONFIG_SPL_BOARD_INIT
 216 #define CONFIG_SPL_YMODEM_SUPPORT
 217 #define CONFIG_SPL_LDSCRIPT             "$(CPUDIR)/am33xx/u-boot-spl.lds"
 218
 219 #endif  /* ! __BUR_AM335X_COMMON_H__ */