Signed-off-by: Otavio Salvador <ota...@ossystems.com.br>
---
Changes in v5:
- Change subject
- Reword the warning

Changes in v4:
- Use a warning, instead of error when failing to fetch fdt
- Drop exit use
- Fix netboot
- Use fdt instead of ftd

Changes in v3:
- Add loadfdt
- Use loadfdt
- Call exit to abort script

Changes in v2:
- Allow use of dynamic/static ip
- Allow force use, or not, of fdt
- Change 'auto' to 'try'

 include/configs/mx53loco.h |   40 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 38 insertions(+), 2 deletions(-)

diff --git a/include/configs/mx53loco.h b/include/configs/mx53loco.h
index 996396b..cbc3a82 100644
--- a/include/configs/mx53loco.h
+++ b/include/configs/mx53loco.h
@@ -119,6 +119,10 @@
 #define CONFIG_EXTRA_ENV_SETTINGS \
        "script=boot.scr\0" \
        "uimage=uImage\0" \
+       "fdt_file=imx53-qsb.dtb\0" \
+       "fdt_addr=0x71000000\0" \
+       "boot_fdt=try\0" \
+       "ip_dyn=yes\0" \
        "mmcdev=0\0" \
        "mmcpart=2\0" \
        "mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
@@ -128,15 +132,47 @@
        "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" \
+               "if test ${boot_fdt} = yes; then " \
+                       "if run loadfdt; then " \
+                               "bootm ${loadaddr} - ${fdt_addr}; " \
+                       "else " \
+                               "if test ${boot_fdt} = try; then " \
+                                       "bootm; " \
+                               "else " \
+                                       "echo WARN: Cannot load the DT; " \
+                               "fi; " \
+                       "fi; " \
+               "else " \
+                       "bootm; " \
+               "fi;\0" \
        "netargs=setenv bootargs console=ttymxc0,${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 ERROR: Cannot load the DT; " \
+                                       "exit; " \
+                               "fi; " \
+                       "fi; " \
+               "else " \
+                       "bootm; " \
+               "fi;\0"
 
 #define CONFIG_BOOTCOMMAND \
        "mmc dev ${mmcdev}; if mmc rescan; then " \
-- 
1.7.10.4

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