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imx: mx6qarm2: Add the kernel FDT Loading support

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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>
This commit is contained in:
Ye.Li 2014-09-09 10:16:57 +08:00 committed by Stefano Babic
parent 1fb065feae
commit e7380a1fdc
1 changed files with 38 additions and 3 deletions
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41
include/configs/mx6qarm2.h
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@ -69,15 +69,19 @@
#define CONFIG_BOOTDELAY 3 #define CONFIG_BOOTDELAY 3
#define CONFIG_LOADADDR 0x10800000 #define CONFIG_LOADADDR 0x12000000
#define CONFIG_SYS_TEXT_BASE 0x17800000 #define CONFIG_SYS_TEXT_BASE 0x17800000
#define CONFIG_EXTRA_ENV_SETTINGS \ #define CONFIG_EXTRA_ENV_SETTINGS \
"script=boot.scr\0" \ "script=boot.scr\0" \
"image=zImage\0" \ "image=zImage\0" \
"console=ttymxc3\0" \ "console=ttymxc3\0" \
"fdt_file=imx6q-arm2.dtb\0" \
"fdt_addr=0x18000000\0" \
"fdt_high=0xffffffff\0" \ "fdt_high=0xffffffff\0" \
"initrd_high=0xffffffff\0" \ "initrd_high=0xffffffff\0" \
"boot_fdt=try\0" \
"ip_dyn=yes\0" \
"mmcdev=1\0" \ "mmcdev=1\0" \
"mmcpart=2\0" \ "mmcpart=2\0" \
"mmcroot=/dev/mmcblk0p3 rootwait rw\0" \ "mmcroot=/dev/mmcblk0p3 rootwait rw\0" \
@ -88,15 +92,46 @@
"bootscript=echo Running bootscript from mmc ...; " \ "bootscript=echo Running bootscript from mmc ...; " \
"source\0" \ "source\0" \
"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \ "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
"mmcboot=echo Booting from mmc ...; " \ "mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \ "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},${baudrate} " \ "netargs=setenv bootargs console=${console},${baudrate} " \
"root=/dev/nfs " \ "root=/dev/nfs " \
"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
"netboot=echo Booting from net ...; " \ "netboot=echo Booting from net ...; " \
"run netargs; " \ "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 \ #define CONFIG_BOOTCOMMAND \
"mmc dev ${mmcdev};" \ "mmc dev ${mmcdev};" \