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authorOtavio Salvador <otavio@ossystems.com.br>2013-01-10 09:45:06 +0000
committerStefano Babic <sbabic@denx.de>2013-01-13 11:53:44 +0100
commit4c6b2350596802dc0a3fa0de3add2c95ad31027a (patch)
tree42bde4227330c3b83a619264d75376da3571f2b3
parent3c41e90118383258db6634916b97eca095735807 (diff)
downloadu-boot-linaro-stable-4c6b2350596802dc0a3fa0de3add2c95ad31027a.tar.gz
mx28evk: Add support to dynamically choose between fdt use or not
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
-rw-r--r--include/configs/mx28evk.h41
1 files changed, 38 insertions, 3 deletions
diff --git a/include/configs/mx28evk.h b/include/configs/mx28evk.h
index a13478d93..dd0ef2134 100644
--- a/include/configs/mx28evk.h
+++ b/include/configs/mx28evk.h
@@ -290,6 +290,10 @@
"uimage=uImage\0" \
"console_fsl=ttyAM0\0" \
"console_mainline=ttyAMA0\0" \
+ "fdt_file=imx28-evk.dtb\0" \
+ "fdt_addr=0x41000000\0" \
+ "boot_fdt=try\0" \
+ "ip_dyn=yes\0" \
"mmcdev=0\0" \
"mmcpart=2\0" \
"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
@@ -300,15 +304,46 @@
"bootscript=echo Running bootscript from mmc ...; " \
"source\0" \
"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
+ "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
"mmcboot=echo Booting from mmc ...; " \
- "run mmcargs; " \
- "bootm\0" \
+ "run mmcargs; " \
+ "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+ "if run loadfdt; then " \
+ "bootm ${loadaddr} - ${fdt_addr}; " \
+ "else " \
+ "if test ${boot_fdt} = try; then " \
+ "bootm; " \
+ "else " \
+ "echo WARN: Cannot load the DT; " \
+ "fi; " \
+ "fi; " \
+ "else " \
+ "bootm; " \
+ "fi;\0" \
"netargs=setenv bootargs console=${console_mainline},${baudrate} " \
"root=/dev/nfs " \
"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
"netboot=echo Booting from net ...; " \
"run netargs; " \
- "dhcp ${uimage}; bootm\0"
+ "if test ${ip_dyn} = yes; then " \
+ "setenv get_cmd dhcp; " \
+ "else " \
+ "setenv get_cmd tftp; " \
+ "fi; " \
+ "${get_cmd} ${uimage}; " \
+ "if test ${boot_fdt} = yes; then " \
+ "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
+ "bootm ${loadaddr} - ${fdt_addr}; " \
+ "else " \
+ "if test ${boot_fdt} = try; then " \
+ "bootm; " \
+ "else " \
+ "echo WARN: Cannot load the DT; " \
+ "fi;" \
+ "fi; " \
+ "else " \
+ "bootm; " \
+ "fi;\0"
#define CONFIG_BOOTCOMMAND \
"mmc dev ${mmcdev}; if mmc rescan; then " \