From: Fabio Estevam <fabio.este...@freescale.com>
Update the environment as done in other imx boards to allow easy switching
between booting a non-dt kernel and a dt kernel.
Signed-off-by: Fabio Estevam <fabio.este...@freescale.com>
---
include/configs/mx51evk.h | 49 +++++++++++++++++++++++++++++++++++++--------
1 file changed, 41 insertions(+), 8 deletions(-)
diff --git a/include/configs/mx51evk.h b/include/configs/mx51evk.h
index cb3d938..594ff4b 100644
--- a/include/configs/mx51evk.h
+++ b/include/configs/mx51evk.h
@@ -149,32 +149,65 @@
#define CONFIG_ETHPRIME "FEC0"
-#define CONFIG_LOADADDR 0x90800000 /* loadaddr env var */
+#define CONFIG_LOADADDR 0x92000000 /* loadaddr env var */
#define CONFIG_EXTRA_ENV_SETTINGS \
"script=boot.scr\0" \
"uimage=uImage\0" \
+ "fdt_file=imx51-babbage.dtb\0" \
+ "fdt_addr=0x91000000\0" \
+ "boot_fdt=try\0" \
+ "ip_dyn=yes\0" \
"mmcdev=0\0" \
"mmcpart=2\0" \
- "mmcroot=/dev/mmcblk0p3 rw\0" \
- "mmcrootfstype=ext3 rootwait\0" \
- "mmcargs=setenv bootargs console=ttymxc0,${baudrate} " \
- "root=${mmcroot} " \
- "rootfstype=${mmcrootfstype}\0" \
+ "mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
+ "mmcargs=setenv bootargs console=ttymxc0,${baudrate} root=${mmcroot}\0"\
"loadbootscript=" \
"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
"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 ${boot_fdt} = try; then " \
+ "bootm; " \
+ "else " \
+ "echo WARN: Cannot load the DT; " \
+ "fi; " \
+ "fi; " \
+ "else " \
+ "bootm; " \
+ "fi;\0" \
"netargs=setenv bootargs console=ttymxc0,${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 || 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 ERROR: Cannot load the DT; " \
+ "exit; " \
+ "fi; " \
+ "fi; " \
+ "else " \
+ "bootm; " \
+ "fi;\0"
#define CONFIG_BOOTCOMMAND \
"mmc dev ${mmcdev}; if mmc rescan; then " \
--
1.7.9.5
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