mx6qsabrelite: Add support to dynamically choose between fdt use or not

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>

diff --git a/include/configs/mx6qsabrelite.h b/include/configs/mx6qsabrelite.h
index ee86f9b7f5f5349133c2db0cbba2a582c4d3fb3e..752f0981d2c61f948790678d7941051ffd57f48b 100644 (file)
--- a/include/configs/mx6qsabrelite.h
+++ b/include/configs/mx6qsabrelite.h
@@ -157,6 +157,10 @@
        "console=ttymxc1\0" \
        "fdt_high=0xffffffff\0" \
        "initrd_high=0xffffffff\0" \
+       "fdt_file=imx6q-sabrelite.dtb\0" \
+       "fdt_addr=0x11000000\0" \
+       "boot_fdt=try\0" \
+       "ip_dyn=yes\0" \
        "mmcdev=0\0" \
        "mmcpart=2\0" \
        "mmcroot=/dev/mmcblk0p3 rootwait rw\0" \
@@ -167,15 +171,46 @@
        "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" \
+               "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},${baudrate} " \
                "root=/dev/nfs " \
        "ip=dhcp nfsroot=${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 || test ${boot_fdt} = try; 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};" \