mx6qsabre{auto, sd}: Add support to dynamically choose between fdt use or not

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>

diff --git a/include/configs/mx6qsabre_common.h b/include/configs/mx6qsabre_common.h
index bd2fb10..3229d5a 100644 (file)
--- a/include/configs/mx6qsabre_common.h
+++ b/include/configs/mx6qsabre_common.h
@@ -83,6 +83,10 @@
 #define CONFIG_EXTRA_ENV_SETTINGS \
        "script=boot.scr\0" \
        "uimage=uImage\0" \
+       "fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
+       "fdt_addr=0x11000000\0" \
+       "boot_fdt=try\0" \
+       "ip_dyn=yes\0" \
        "console=" CONFIG_CONSOLE_DEV "\0" \
        "fdt_high=0xffffffff\0"   \
        "initrd_high=0xffffffff\0" \
@@ -96,15 +100,46 @@
        "bootscript=echo Running bootscript from mmc ...; " \
                "source\0" \
        "loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
-               "mmcboot=echo Booting from mmc ...; " \
+       "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};" \

diff --git a/include/configs/mx6qsabreauto.h b/include/configs/mx6qsabreauto.h
index f1ff201..f4a082a 100644 (file)
--- a/include/configs/mx6qsabreauto.h
+++ b/include/configs/mx6qsabreauto.h
@@ -15,6 +15,7 @@
 #define CONFIG_MACH_TYPE       3529
 #define CONFIG_MXC_UART_BASE   UART4_BASE
 #define CONFIG_CONSOLE_DEV             "ttymxc3"
+#define CONFIG_DEFAULT_FDT_FILE        "imx6q-sabreauto.dtb"
 #define CONFIG_MMCROOT                 "/dev/mmcblk0p2"
 #define PHYS_SDRAM_SIZE                (2u * 1024 * 1024 * 1024)
 

diff --git a/include/configs/mx6qsabresd.h b/include/configs/mx6qsabresd.h
index a1d9285..b64e925 100644 (file)
--- a/include/configs/mx6qsabresd.h
+++ b/include/configs/mx6qsabresd.h
@@ -21,6 +21,7 @@
 #define CONFIG_MXC_UART_BASE   UART1_BASE
 #define CONFIG_CONSOLE_DEV             "ttymxc0"
 #define CONFIG_MMCROOT                 "/dev/mmcblk1p2"
+#define CONFIG_DEFAULT_FDT_FILE        "imx6q-sabresd.dtb"
 #define PHYS_SDRAM_SIZE                (1u * 1024 * 1024 * 1024)
 
 #include "mx6qsabre_common.h"