| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * brtpp1.h |
| * |
| * specific parts for B&R T-Series Motherboard |
| * |
| * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at> - |
| * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com |
| */ |
| |
| #ifndef __CONFIG_BRPPT1_H__ |
| #define __CONFIG_BRPPT1_H__ |
| |
| #include <configs/bur_cfg_common.h> |
| #include <configs/bur_am335x_common.h> |
| #include <linux/stringify.h> |
| /* ------------------------------------------------------------------------- */ |
| /* memory */ |
| |
| /* Clock Defines */ |
| #define V_OSCK 26000000 /* Clock output from T2 */ |
| #define V_SCLK (V_OSCK) |
| |
| /* |
| * When we have NAND flash we expect to be making use of mtdparts, |
| * both for ease of use in U-Boot and for passing information on to |
| * the Linux kernel. |
| */ |
| |
| #define MMC_TGTS \ |
| "t30args#0=setenv bootargs ${optargs_rot} ${optargs} console=${console} " \ |
| "b_mode=${b_mode} root=${root_dev} rootfstype=ext4 rootwait\0" \ |
| "b_t30lgcy#0=" \ |
| "load ${loaddev}:2 ${loadaddr} /boot/zImage && " \ |
| "run load_dtb && " \ |
| "run t30args#0; run cfgscr; bootz ${loadaddr} - ${dtbaddr}\0" \ |
| "t30args#1=setenv bootargs ${optargs_rot} ${optargs} console=${console} " \ |
| "b_mode=${b_mode}\0" \ |
| "b_t30lgcy#1=" \ |
| "load ${loaddev}:1 ${loadaddr} zImage && " \ |
| "load ${loaddev}:1 ${dtbaddr} am335x-brppt30.dtb && " \ |
| "load ${loaddev}:1 ${ramaddr} rootfsPPT30.uboot && " \ |
| "run t30args#1; run cfgscr; bootz ${loadaddr} ${ramaddr} ${dtbaddr}\0" \ |
| "b_mmc0=load ${loaddev}:1 ${scraddr} bootscr.img && source ${scraddr}\0" \ |
| "b_mmc1=load ${loaddev}:1 ${scraddr} /boot/bootscr.img && source ${scraddr}\0" \ |
| "b_tgts_std=mmc0 mmc1 t30lgcy#0 t30lgcy#1 usb0 net\0" \ |
| "b_tgts_rcy=t30lgcy#1 usb0 net\0" \ |
| "b_tgts_pme=net usb0 mmc0 mmc1\0" \ |
| "loaddev=mmc 1\0" \ |
| "root_dev=/dev/mmcblk0p2\0" \ |
| "load_dtb=load ${loaddev}:2 ${dtbaddr} /boot/am335x-brppt30.dtb; " \ |
| "if test $? -eq 0; then " \ |
| "setenv root_dev /dev/mmcblk1p2; " \ |
| "else; " \ |
| "load ${loaddev}:1 ${dtbaddr} am335x-brppt30-legacy.dtb; " \ |
| "fi;\0" |
| |
| #ifdef CONFIG_ENV_IS_IN_MMC |
| #define MMCTGTS \ |
| MMC_TGTS \ |
| "cfgscr=mw ${cfgaddr} 0;" \ |
| " mmc dev 1; mmc read ${cfgaddr} 200 80; source ${cfgaddr};" \ |
| " fdt addr ${dtbaddr} || cp ${fdtcontroladdr} ${dtbaddr} 4000\0" |
| #else |
| #define MMCTGTS "" |
| #endif /* CONFIG_MMC */ |
| |
| #define LOAD_OFFSET(x) 0x8##x |
| |
| #define CONFIG_EXTRA_ENV_SETTINGS \ |
| BUR_COMMON_ENV \ |
| "verify=no\0" \ |
| "scraddr=" __stringify(LOAD_OFFSET(0000000)) "\0" \ |
| "cfgaddr=" __stringify(LOAD_OFFSET(0020000)) "\0" \ |
| "dtbaddr=" __stringify(LOAD_OFFSET(0040000)) "\0" \ |
| "loadaddr=" __stringify(LOAD_OFFSET(0100000)) "\0" \ |
| "ramaddr=" __stringify(LOAD_OFFSET(2000000)) "\0" \ |
| "console=ttyO0,115200n8\0" \ |
| "optargs=consoleblank=0 quiet panic=2\0" \ |
| "b_break=0\0" \ |
| "b_usb0=usb start && load usb 0 ${scraddr} bootscr.img && source ${scraddr}\0" \ |
| "b_net=tftp ${scraddr} netscript.img && source ${scraddr}\0" \ |
| MMCTGTS \ |
| "b_deftgts=if test ${b_mode} = 12; then setenv b_tgts ${b_tgts_pme};" \ |
| " elif test ${b_mode} = 0; then setenv b_tgts ${b_tgts_rcy};" \ |
| " else setenv b_tgts ${b_tgts_std}; fi\0" \ |
| "b_default=run b_deftgts; for target in ${b_tgts};"\ |
| " do echo \"### booting ${target} ###\"; run b_${target};" \ |
| " if test ${b_break} = 1; then; exit; fi; done\0" |
| |
| #endif /* ! __CONFIG_BRPPT1_H__ */ |