include/configs/brppt1.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * brtpp1.h
   4  *
   5  * specific parts for B&R T-Series Motherboard
   6  *
   7  * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at> -
   8  * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
   9  */
  10
  11 #ifndef __CONFIG_BRPPT1_H__
  12 #define __CONFIG_BRPPT1_H__
  13
  14 #include <configs/bur_cfg_common.h>
  15 #include <configs/bur_am335x_common.h>
  16 #include <linux/stringify.h>
  17 /* ------------------------------------------------------------------------- */
  18 /* memory */
  19
  20 /* Clock Defines */
  21 #define V_OSCK                          26000000  /* Clock output from T2 */
  22 #define V_SCLK                          (V_OSCK)
  23
  24 /*
  25  * When we have NAND flash we expect to be making use of mtdparts,
  26  * both for ease of use in U-Boot and for passing information on to
  27  * the Linux kernel.
  28  */
  29
  30 #define MMC_TGTS \
  31 "t30args#0=setenv bootargs ${optargs_rot} ${optargs} console=${console} " \
  32         "b_mode=${b_mode} root=${root_dev} rootfstype=ext4 rootwait\0" \
  33 "b_t30lgcy#0=" \
  34         "load ${loaddev}:2 ${loadaddr} /boot/zImage && " \
  35         "run load_dtb && " \
  36         "run t30args#0; run cfgscr; bootz ${loadaddr} - ${dtbaddr}\0" \
  37 "t30args#1=setenv bootargs ${optargs_rot} ${optargs} console=${console} " \
  38         "b_mode=${b_mode}\0" \
  39 "b_t30lgcy#1=" \
  40         "load ${loaddev}:1 ${loadaddr} zImage && " \
  41         "load ${loaddev}:1 ${dtbaddr} am335x-brppt30.dtb && " \
  42         "load ${loaddev}:1 ${ramaddr} rootfsPPT30.uboot && " \
  43         "run t30args#1; run cfgscr; bootz ${loadaddr} ${ramaddr} ${dtbaddr}\0" \
  44 "b_mmc0=load ${loaddev}:1 ${scraddr} bootscr.img && source ${scraddr}\0" \
  45 "b_mmc1=load ${loaddev}:1 ${scraddr} /boot/bootscr.img && source ${scraddr}\0" \
  46 "b_tgts_std=mmc0 mmc1 t30lgcy#0 t30lgcy#1 usb0 net\0" \
  47 "b_tgts_rcy=t30lgcy#1 usb0 net\0" \
  48 "b_tgts_pme=net usb0 mmc0 mmc1\0" \
  49 "loaddev=mmc 1\0" \
  50 "root_dev=/dev/mmcblk0p2\0" \
  51 "load_dtb=load ${loaddev}:2 ${dtbaddr} /boot/am335x-brppt30.dtb; " \
  52          "if test $? -eq 0; then " \
  53              "setenv root_dev /dev/mmcblk1p2; " \
  54          "else; " \
  55              "load ${loaddev}:1 ${dtbaddr} am335x-brppt30-legacy.dtb; " \
  56          "fi;\0"
  57
  58 #ifdef CONFIG_ENV_IS_IN_MMC
  59 #define MMCTGTS \
  60 MMC_TGTS \
  61 "cfgscr=mw ${cfgaddr} 0;" \
  62 " mmc dev 1; mmc read ${cfgaddr} 200 80; source ${cfgaddr};" \
  63 " fdt addr ${dtbaddr} || cp ${fdtcontroladdr} ${dtbaddr} 4000\0"
  64 #else
  65 #define MMCTGTS ""
  66 #endif /* CONFIG_MMC */
  67
  68 #define LOAD_OFFSET(x)                  0x8##x
  69
  70 #define CONFIG_EXTRA_ENV_SETTINGS \
  71 BUR_COMMON_ENV \
  72 "verify=no\0" \
  73 "scraddr=" __stringify(LOAD_OFFSET(0000000)) "\0" \
  74 "cfgaddr=" __stringify(LOAD_OFFSET(0020000)) "\0" \
  75 "dtbaddr=" __stringify(LOAD_OFFSET(0040000)) "\0" \
  76 "loadaddr=" __stringify(LOAD_OFFSET(0100000)) "\0" \
  77 "ramaddr=" __stringify(LOAD_OFFSET(2000000)) "\0" \
  78 "console=ttyO0,115200n8\0" \
  79 "optargs=consoleblank=0 quiet panic=2\0" \
  80 "b_break=0\0" \
  81 "b_usb0=usb start && load usb 0 ${scraddr} bootscr.img && source ${scraddr}\0" \
  82 "b_net=tftp ${scraddr} netscript.img && source ${scraddr}\0" \
  83 MMCTGTS \
  84 "b_deftgts=if test ${b_mode} = 12; then setenv b_tgts ${b_tgts_pme};" \
  85 " elif test ${b_mode} = 0; then setenv b_tgts ${b_tgts_rcy};" \
  86 " else setenv b_tgts ${b_tgts_std}; fi\0" \
  87 "b_default=run b_deftgts; for target in ${b_tgts};"\
  88 " do echo \"### booting ${target} ###\"; run b_${target};" \
  89 " if test ${b_break} = 1; then; exit; fi; done\0"
  90
  91 #endif  /* ! __CONFIG_BRPPT1_H__ */