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 "brdefaultip=if test -r ${ipaddr}; then; else" \
  18 " setenv ipaddr 192.168.60.1; setenv serverip 192.168.60.254;" \
  19 " setenv gatewayip 192.168.60.254; setenv netmask 255.255.255.0; fi;\0" \
  20 "netconsole=echo switching to network console ...; " \
  21 "if dhcp; then; else run brdefaultip; fi; setenv ncip ${serverip}; " \
  22 "setcurs 1 9; lcdputs myip; setcurs 10 9; lcdputs ${ipaddr};" \
  23 "setcurs 1 10;lcdputs serverip; setcurs 10 10; lcdputs ${serverip};" \
  24 "setenv stdout nc;setenv stdin nc;setenv stderr nc\0"
  25
  26 #define CONFIG_PREBOOT                  "run brdefaultip"
  27 #define CONFIG_CMD_TIME
  28
  29
  30 #define CONFIG_AM33XX
  31 #define CONFIG_OMAP
  32 #define CONFIG_OMAP_COMMON
  33 #define CONFIG_BOARD_LATE_INIT
  34 #define CONFIG_SYS_CACHELINE_SIZE       64
  35 #define CONFIG_MAX_RAM_BANK_SIZE        (1024 << 20)    /* 1GB */
  36
  37 /* Timer information */
  38 #define CONFIG_SYS_PTV                  2       /* Divisor: 2^(PTV+1) => 8 */
  39 #define CONFIG_SYS_TIMERBASE            0x48040000      /* Use Timer2 */
  40 #define CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC     /* enable 32kHz OSC at bootime */
  41 #define CONFIG_SPL_POWER_SUPPORT
  42 #define CONFIG_POWER_TPS65217
  43
  44 #define CONFIG_SYS_NO_FLASH             /* have no NOR-flash */
  45
  46 #include <asm/arch/omap.h>
  47
  48 /* NS16550 Configuration */
  49 #define CONFIG_SYS_NS16550
  50 #define CONFIG_SYS_NS16550_SERIAL
  51 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
  52 #define CONFIG_SYS_NS16550_CLK          48000000
  53 #define CONFIG_SYS_NS16550_COM1         0x44e09000      /* UART0 */
  54 #define CONFIG_BAUDRATE                 115200
  55
  56 /* Network defines */
  57 #define CONFIG_CMD_DHCP
  58 #define CONFIG_BOOTP_DNS                /* Configurable parts of CMD_DHCP */
  59 #define CONFIG_BOOTP_SEND_HOSTNAME
  60 #define CONFIG_BOOTP_GATEWAY
  61 #define CONFIG_BOOTP_SUBNETMASK
  62 #define CONFIG_NET_RETRY_COUNT          2
  63 #define CONFIG_CMD_PING
  64 #define CONFIG_DRIVER_TI_CPSW           /* Driver for IP block */
  65 #define CONFIG_MII                      /* Required in net/eth.c */
  66 #define CONFIG_SPL_ETH_SUPPORT
  67 #define CONFIG_PHYLIB
  68 #define CONFIG_PHY_NATSEMI
  69 #define CONFIG_SPL_NET_SUPPORT
  70 #define CONFIG_SPL_ENV_SUPPORT          /* used for a fetching MAC-Address */
  71 #define CONFIG_SPL_NET_VCI_STRING       "AM335x U-Boot SPL"
  72 /* Network console */
  73 #define CONFIG_NETCONSOLE                       1
  74 #define CONFIG_BOOTP_MAY_FAIL           /* if we don't have DHCP environment */
  75 /*
  76  * SPL related defines.  The Public RAM memory map the ROM defines the
  77  * area between 0x402F0400 and 0x4030B800 as a download area and
  78  * 0x4030B800 to 0x4030CE00 as a public stack area.  The ROM also
  79  * supports X-MODEM loading via UART, and we leverage this and then use
  80  * Y-MODEM to load u-boot.img, when booted over UART.
  81  */
  82 #define CONFIG_SPL_TEXT_BASE            0x402F0400
  83 #define CONFIG_SPL_MAX_SIZE             (0x4030B800 - CONFIG_SPL_TEXT_BASE)
  84
  85 /*
  86  * Since SPL did pll and ddr initialization for us,
  87  * we don't need to do it twice.
  88  */
  89 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
  90 #define CONFIG_SKIP_LOWLEVEL_INIT
  91 #endif /* !CONFIG_SPL_BUILD, ... */
  92 /*
  93  * Our DDR memory always starts at 0x80000000 and U-Boot shall have
  94  * relocated itself to higher in memory by the time this value is used.
  95  */
  96 #define CONFIG_SYS_LOAD_ADDR            0x80000000
  97 /*
  98  * ----------------------------------------------------------------------------
  99  * DDR information.  We say (for simplicity) that we have 1 bank,
 100  * always, even when we have more.  We always start at 0x80000000,
 101  * and we place the initial stack pointer in our SRAM.
 102  */
 103 #define CONFIG_NR_DRAM_BANKS            1
 104 #define CONFIG_SYS_SDRAM_BASE           0x80000000
 105 #define CONFIG_SYS_INIT_SP_ADDR         (NON_SECURE_SRAM_END - \
 106                                         GENERATED_GBL_DATA_SIZE)
 107
 108 /* I2C */
 109 #define CONFIG_SYS_I2C
 110 #define CONFIG_SYS_OMAP24_I2C_SPEED     100000
 111 #define CONFIG_SYS_OMAP24_I2C_SLAVE     1
 112 #define CONFIG_SYS_I2C_OMAP24XX
 113 #define CONFIG_CMD_I2C
 114 /* GPIO */
 115 #define CONFIG_OMAP_GPIO
 116 /*
 117  * ----------------------------------------------------------------------------
 118  * The following are general good-enough settings for U-Boot.  We set a
 119  * large malloc pool as we generally have a lot of DDR, and we opt for
 120  * function over binary size in the main portion of U-Boot as this is
 121  * generally easily constrained later if needed.  We enable the config
 122  * options that give us information in the environment about what board
 123  * we are on so we do not need to rely on the command prompt.  We set a
 124  * console baudrate of 115200 and use the default baud rate table.
 125  */
 126 #define CONFIG_SYS_MALLOC_LEN           (5120 << 10)
 127 #define CONFIG_SYS_HUSH_PARSER
 128 #define CONFIG_SYS_CONSOLE_INFO_QUIET
 129 #define CONFIG_ENV_OVERWRITE            /* Overwrite ethaddr / serial# */
 130 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
 131 #define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
 132
 133 /* As stated above, the following choices are optional. */
 134 #define CONFIG_SYS_LONGHELP
 135 #define CONFIG_AUTO_COMPLETE
 136 #define CONFIG_CMDLINE_EDITING
 137 #define CONFIG_VERSION_VARIABLE
 138
 139 /* We set the max number of command args high to avoid HUSH bugs. */
 140 #define CONFIG_SYS_MAXARGS              64
 141
 142 /* Console I/O Buffer Size */
 143 #define CONFIG_SYS_CBSIZE               512
 144 /* Print Buffer Size */
 145 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE +\
 146                                         sizeof(CONFIG_SYS_PROMPT) + 16)
 147 /* Boot Argument Buffer Size */
 148 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
 149
 150 /*
 151  * Our platforms make use of SPL to initalize the hardware (primarily
 152  * memory) enough for full U-Boot to be loaded.  We also support Falcon
 153  * Mode so that the Linux kernel can be booted directly from SPL
 154  * instead, if desired.  We make use of the general SPL framework found
 155  * under common/spl/.  Given our generally common memory map, we set a
 156  * number of related defaults and sizes here.
 157  */
 158 #define CONFIG_SPL_FRAMEWORK
 159 /*
 160  * Place the image at the start of the ROM defined image space.
 161  * We limit our size to the ROM-defined downloaded image area, and use the
 162  * rest of the space for stack.  We load U-Boot itself into memory at
 163  * 0x80800000 for legacy reasons (to not conflict with older SPLs).  We
 164  * have our BSS be placed 1MiB after this, to allow for the default
 165  * Linux kernel address of 0x80008000 to work, in the Falcon Mode case.
 166  * We have the SPL malloc pool at the end of the BSS area.
 167  *
 168  * ----------------------------------------------------------------------------
 169  */
 170 #undef  CONFIG_SYS_TEXT_BASE
 171 #define CONFIG_SYS_TEXT_BASE            0x80800000
 172 #define CONFIG_SPL_BSS_START_ADDR       0x80A00000
 173 #define CONFIG_SPL_BSS_MAX_SIZE         0x80000         /* 512 KB */
 174 #define CONFIG_SYS_SPL_MALLOC_START     (CONFIG_SPL_BSS_START_ADDR + \
 175                                         CONFIG_SPL_BSS_MAX_SIZE)
 176 #define CONFIG_SYS_SPL_MALLOC_SIZE      CONFIG_SYS_MALLOC_LEN
 177
 178 /* General parts of the framework, required. */
 179 #define CONFIG_SPL_I2C_SUPPORT
 180 #define CONFIG_SPL_LIBCOMMON_SUPPORT
 181 #define CONFIG_SPL_LIBGENERIC_SUPPORT
 182 #define CONFIG_SPL_SERIAL_SUPPORT
 183 #define CONFIG_SPL_BOARD_INIT
 184 #define CONFIG_SPL_YMODEM_SUPPORT
 185 #define CONFIG_SPL_LDSCRIPT             "$(CPUDIR)/am33xx/u-boot-spl.lds"
 186
 187 #endif  /* ! __BUR_AM335X_COMMON_H__ */