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authorOtavio Salvador <otavio@ossystems.com.br>2013-01-10 09:45:07 +0000
committerStefano Babic <sbabic@denx.de>2013-01-13 11:53:45 +0100
commite0df5353fb93a90449a9f8db2b4a45fe32e3f9e0 (patch)
treef03c908671e6b2c5b2a7f4f02228fff118a90e7a
parent4c6b2350596802dc0a3fa0de3add2c95ad31027a (diff)
downloadu-boot-linaro-stable-e0df5353fb93a90449a9f8db2b4a45fe32e3f9e0.tar.gz
mx53loco: Add support to dynamically choose between fdt use or not
The CONFIG_SYS_CBSIZE has been change to 512 to avoid runtime errors as: ,---[ Runtime error ] | Hit any key to stop autoboot: 0 | MX53LOCO U-Boot > pri netboot | netboot=echo Booting from net ...; run netargs; if test ... | prefetch abort | pc : [<20747368>] lr : [<20747365>] | sp : af566e20 ip : 00000000 fp : 00000000 | r10: 00000002 r9 : af6dfc28 r8 : af566f58 | r7 : af6dfc10 r6 : 00000001 r5 : 00000002 r4 : 74206669 | r3 : 00000000 r2 : 00000060 r1 : 00000020 r0 : 0000018e | Flags: nZCv IRQs off FIQs off Mode SVC_32 | Resetting CPU ... | | resetting ... `--- Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
-rw-r--r--include/configs/mx53loco.h44
1 files changed, 40 insertions, 4 deletions
diff --git a/include/configs/mx53loco.h b/include/configs/mx53loco.h
index 996396b99..a4b610f9b 100644
--- a/include/configs/mx53loco.h
+++ b/include/configs/mx53loco.h
@@ -119,24 +119,60 @@
#define CONFIG_EXTRA_ENV_SETTINGS \
"script=boot.scr\0" \
"uimage=uImage\0" \
+ "fdt_file=imx53-qsb.dtb\0" \
+ "fdt_addr=0x71000000\0" \
+ "boot_fdt=try\0" \
+ "ip_dyn=yes\0" \
"mmcdev=0\0" \
"mmcpart=2\0" \
"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
- "mmcargs=setenv bootargs console=ttymxc0,${baudrate} root=${mmcroot} " \
+ "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 " \
@@ -157,7 +193,7 @@
#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
#define CONFIG_SYS_PROMPT "MX53LOCO U-Boot > "
#define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
+#define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */
/* Print Buffer Size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)