To support loading FDT file for kernel, add the fdt address, file and loading script to arm2 board default environment.
Signed-off-by: Ye.Li B37916@freescale.com --- include/configs/mx6qarm2.h | 41 ++++++++++++++++++++++++++++++++++++++--- 1 files changed, 38 insertions(+), 3 deletions(-)
diff --git a/include/configs/mx6qarm2.h b/include/configs/mx6qarm2.h index fd651cf..f633525 100644 --- a/include/configs/mx6qarm2.h +++ b/include/configs/mx6qarm2.h @@ -67,15 +67,19 @@
#define CONFIG_BOOTDELAY 3
-#define CONFIG_LOADADDR 0x10800000 +#define CONFIG_LOADADDR 0x12000000 #define CONFIG_SYS_TEXT_BASE 0x17800000
#define CONFIG_EXTRA_ENV_SETTINGS \ "script=boot.scr\0" \ "image=zImage\0" \ "console=ttymxc3\0" \ + "fdt_file=imx6q-arm2.dtb\0" \ + "fdt_addr=0x18000000\0" \ "fdt_high=0xffffffff\0" \ "initrd_high=0xffffffff\0" \ + "boot_fdt=try\0" \ + "ip_dyn=yes\0" \ "mmcdev=1\0" \ "mmcpart=2\0" \ "mmcroot=/dev/mmcblk0p3 rootwait rw\0" \ @@ -86,15 +90,46 @@ "bootscript=echo Running bootscript from mmc ...; " \ "source\0" \ "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \ + "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \ "mmcboot=echo Booting from mmc ...; " \ "run mmcargs; " \ - "bootz\0" \ + "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ + "if run loadfdt; then " \ + "bootz ${loadaddr} - ${fdt_addr}; " \ + "else " \ + "if test ${boot_fdt} = try; then " \ + "bootz; " \ + "else " \ + "echo WARN: Cannot load the DT; " \ + "fi; " \ + "fi; " \ + "else " \ + "bootz; " \ + "fi;\0" \ "netargs=setenv bootargs console=${console},${baudrate} " \ "root=/dev/nfs " \ "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ "netboot=echo Booting from net ...; " \ "run netargs; " \ - "dhcp ${image}; bootz\0" \ + "if test ${ip_dyn} = yes; then " \ + "setenv get_cmd dhcp; " \ + "else " \ + "setenv get_cmd tftp; " \ + "fi; " \ + "${get_cmd} ${image}; " \ + "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \ + "if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \ + "bootz ${loadaddr} - ${fdt_addr}; " \ + "else " \ + "if test ${boot_fdt} = try; then " \ + "bootz; " \ + "else " \ + "echo WARN: Cannot load the DT; " \ + "fi; " \ + "fi; " \ + "else " \ + "bootz; " \ + "fi;\0"
#define CONFIG_BOOTCOMMAND \ "mmc dev ${mmcdev};" \