1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * brsmarc1.h
4  *
5  * specific parts for B&R BRSMARC1 Motherboard
6  *
7  * Copyright (C) 2017 Hannes Schmelzer <oe5hpm@oevsv.at> -
8  * B&R Industrial Automation GmbH - http://www.br-automation.com
9  *
10  */
11 
12 #ifndef __CONFIG_BRSMARC1_H__
13 #define __CONFIG_BRSMARC1_H__
14 
15 #include <configs/bur_cfg_common.h>
16 #include <configs/bur_am335x_common.h>
17 #include <linux/stringify.h>
18 /* ------------------------------------------------------------------------- */
19 
20 /* memory */
21 
22 /* Clock Defines */
23 #define V_OSCK				26000000  /* Clock output from T2 */
24 #define V_SCLK				(V_OSCK)
25 
26 /* Default environment */
27 #define CFG_EXTRA_ENV_SETTINGS	\
28 BUR_COMMON_ENV \
29 "scradr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
30 "cfgscr=mw ${dtbaddr} 0;" \
31 " sf probe && sf read ${scradr} 0xC0000 0x10000 && source ${scradr};" \
32 " fdt addr ${dtbaddr} || cp ${fdtcontroladdr} ${dtbaddr} 4000\0" \
33 "dtbaddr=0x84000000\0" \
34 "loadaddr=0x82000000\0" \
35 "b_break=0\0" \
36 "b_tgts_std=mmc0 mmc1 def net usb0\0" \
37 "b_tgts_rcy=def net usb0\0" \
38 "b_tgts_pme=net usb0 mmc0 mmc1\0" \
39 "b_deftgts=if test ${b_mode} = 12; then setenv b_tgts ${b_tgts_pme};" \
40 " elif test ${b_mode} = 0; then setenv b_tgts ${b_tgts_rcy};" \
41 " else setenv b_tgts ${b_tgts_std}; fi\0" \
42 "b_mmc0=load mmc 1 ${scradr} bootscr.img && source ${scradr}\0" \
43 "b_mmc1=load mmc 1 ${loadaddr} arimg.ugz && run startsys\0" \
44 "b_def=sf read ${loadaddr} 100000 700000; run startsys\0" \
45 "b_net=tftp ${scradr} netscript.img && source ${scradr}\0" \
46 "b_usb0=usb start && load usb 0 ${scradr} bootscr.img && source ${scradr}\0" \
47 "b_default=run b_deftgts; for target in ${b_tgts};"\
48 " do run b_${target}; if test ${b_break} = 1; then; exit; fi; done\0" \
49 "vxargs=setenv bootargs cpsw(0,0)host:vxWorks h=${serverip}" \
50 " e=${ipaddr}:${netmask} g=${gatewayip} u=vxWorksFTP pw=vxWorks\0" \
51 "vxfdt=fdt addr ${dtbaddr}; fdt resize 0x8000;" \
52 " fdt boardsetup\0" \
53 "startsys=run vxargs && mw 0x80001100 0 && run vxfdt &&" \
54 " bootm ${loadaddr} - ${dtbaddr}\0"
55 
56 /* SPI Flash */
57 
58 /* Environment */
59 #endif	/* __CONFIG_BRSMARC1_H__ */
60