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 CFG_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__ */ 92