board/BuR/brxre1: refactor default environment

For better readability and setup-handling we refactor the default
environment.

Signed-off-by: Hannes Schmelzer <hannes.schmelzer@br-automation.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

include/configs/brxre1.h

@@ -38,45 +38,36 @@
 #define CONFIG_ENV_SIZE			(64 << 10)
 
 #ifndef CONFIG_SPL_BUILD
-#define CONFIG_EXTRA_ENV_SETTINGS \
+
+/* Default environment */
+#define CONFIG_EXTRA_ENV_SETTINGS	\
 BUR_COMMON_ENV \
+"autoload=0\0" \
+"scradr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
 "bootaddr=0x80001100\0" \
 "bootdev=cpsw(0,0)\0" \
 "vx_romfsbase=0x800E0000\0" \
 "vx_romfssize=0x20000\0" \
 "vx_memtop=0x8FBEF000\0" \
-"loadromfs=mmc dev 1; mmc read ${vx_romfsbase} 700 100\0" \
-"autoload=0\0" \
+"loadromfs=mmc read ${vx_romfsbase} 700 100\0" \
 "loadaddr=0x80100000\0" \
-"defaultARlen=0x8000\0" \
-"loaddefaultAR=mmc dev 1; mmc read ${loadaddr} 800 ${defaultARlen}\0" \
-"defaultAR=run loadromfs; run loaddefaultAR; bootvx ${loadaddr}\0" \
-"mmcboot=echo booting AR from eMMC-flash ...; "\
-	"run loadromfs; " \
-	"fatload mmc 1:1 ${loadaddr} arimg && bootvx ${loadaddr}; " \
-	"run defaultAR;\0" \
-"netboot=echo booting AR from network ...; " \
-	"run loadromfs; " \
-	"tftp ${loadaddr} arimg && bootvx ${loadaddr}; " \
-	"puts 'networkboot failed!';\0" \
-"netscript=echo running script from network (tftp) ...; " \
-	"tftp 0x80000000 netscript.img && source; " \
-	"puts 'netscript load failed!'\0" \
-"netupdate=tftp ${loadddr} MLO && mmc write ${loadaddr} 100 100; " \
-	"tftp ${loadaddr} u-boot.img && mmc write ${loadaddr} 300 300\0" \
-"netupdatedefaultAR=echo updating defaultAR from network (tftp) ...; " \
-	"if tftp 0x80100000 arimg.bin; " \
-	"then mmc write 0x80100000 800 ${defaultARlen}; " \
-	"else setcurs 1 8; puts 'defAR update failed (tftp)!'; fi;\0" \
-"netupdateROMFS=echo updating romfs from network (tftp) ...; " \
-	"if tftp 0x80100000 romfs.bin; " \
-	"then mmc write 0x80100000 700 100; " \
-	"else setcurs 1 8; puts 'romfs update failed (tftp)!'; fi;\0"
-
+"startvx=run loadromfs; bootvx ${loadaddr}\0" \
+"b_break=0\0" \
+"b_tgts_std=mmc def net usb0\0" \
+"b_tgts_rcy=def net usb0\0" \
+"b_tgts_pme=net usb0 mmc\0" \
+"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_mmc=load mmc 1 ${loadaddr} arimg && run startvx\0" \
+"b_def=mmc read ${loadaddr} 800 8000; run startvx\0" \
+"b_net=tftp ${scradr} netscript.img && source ${scradr}\0" \
+"b_usb0=usb start && load usb 0 ${scradr} usbscript.img && source ${scradr}\0" \
+"b_default=run b_deftgts; for target in ${b_tgts};"\
+" do run b_${target}; if test ${b_break} = 1; then; exit; fi; done\0"
 #endif /* !CONFIG_SPL_BUILD*/
 
-#define CONFIG_BOOTCOMMAND \
-	"run usbscript;"
+#define CONFIG_BOOTCOMMAND		"mmc dev 1; run b_default"
 
 /* undefine command which we not need here */
 #undef CONFIG_BOOTM_NETBSD