[U-Boot] [PATCH v6 5/6] mx6qsabrelite: Add support to dynamically choose between fdt use or not

Otavio Salvador
2013-01-10T19:45:08Z

- Fix netboot fdt

Changes in v5:
- Change subject
- Reword the warning

Changes in v4:
- Use a warning, instead of error when failing to fetch fdt
- Drop exit use
- Fix netboot
- Use fdt instead of ftd

Changes in v3:
- Add loadfdt
- Use loadfdt
- Call exit to abort script

Changes in v2:
- Allow use of dynamic/static ip
- Allow force use, or not, of fdt
- Change 'auto' to 'try'

include/configs/mx6qsabrelite.h | 39 +++++++++++++++++++++++++++++++++++++--
1 file changed, 37 insertions(+), 2 deletions(-)

diff --git a/include/configs/mx6qsabrelite.h b/include/configs/mx6qsabrelite.h
index ee86f9b..752f098 100644
--- 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};" \
--
1.7.10.4