1 /* SPDX-License-Identifier: GPL-2.0+ */
5 * specific parts for B&R T-Series Motherboard
7 * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at> -
8 * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
11 #ifndef __CONFIG_BRPPT1_H__
12 #define __CONFIG_BRPPT1_H__
14 #include <configs/bur_cfg_common.h>
15 #include <configs/bur_am335x_common.h>
16 #include <linux/stringify.h>
17 /* ------------------------------------------------------------------------- */
21 #define V_OSCK 26000000 /* Clock output from T2 */
22 #define V_SCLK (V_OSCK)
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
31 "t30args#0=setenv bootargs ${optargs_rot} ${optargs} console=${console} " \
32 "b_mode=${b_mode} root=${root_dev} rootfstype=ext4 rootwait\0" \
34 "load ${loaddev}:2 ${loadaddr} /boot/zImage && " \
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" \
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" \
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; " \
55 "load ${loaddev}:1 ${dtbaddr} am335x-brppt30-legacy.dtb; " \
58 #ifdef CONFIG_ENV_IS_IN_MMC
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"
66 #endif /* CONFIG_MMC */
68 #define LOAD_OFFSET(x) 0x8##x
70 #define CFG_EXTRA_ENV_SETTINGS \
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" \
81 "b_usb0=usb start && load usb 0 ${scraddr} bootscr.img && source ${scraddr}\0" \
82 "b_net=tftp ${scraddr} netscript.img && source ${scraddr}\0" \
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"
91 #endif /* ! __CONFIG_BRPPT1_H__ */