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authorFabio Estevam <fabio.estevam@freescale.com>2014-03-05 15:51:00 -0300
committerStefano Babic <sbabic@denx.de>2014-03-12 11:19:23 +0100
commit81a1d6173cd255c5c04c332ed69498c6e173515f (patch)
tree38016f8a15e713f0a4ec5b07d66a8d89ce5421f6 /include
parent59189a8b26793ace1b7d0eee9496875ac8713299 (diff)
mx25pdk: Align the environment with other FSL boards
Allow the boot of a device tree mainline kernel by aligning the environment variables with other FSL boards. Tested NFS boot of a dt 3.14-rc5 kernel. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Otavio Salvador <otavio@ossystems.com.br> Acked-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'include')
-rw-r--r--include/configs/mx25pdk.h103
1 files changed, 98 insertions, 5 deletions
diff --git a/include/configs/mx25pdk.h b/include/configs/mx25pdk.h
index af6aafaf1c..aff2419f85 100644
--- a/include/configs/mx25pdk.h
+++ b/include/configs/mx25pdk.h
@@ -62,6 +62,7 @@
/* No NOR flash present */
#define CONFIG_ENV_OFFSET (6 * 64 * 1024)
#define CONFIG_ENV_SIZE (8 * 1024)
+#define CONFIG_SYS_MMC_ENV_DEV 0
#define CONFIG_SYS_NO_FLASH
#define CONFIG_ENV_IS_IN_MMC
@@ -69,7 +70,7 @@
/* U-Boot general configuration */
#define CONFIG_AUTO_COMPLETE
-#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
+#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
/* Print buffer sz */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT) + 16)
@@ -132,12 +133,104 @@
#define CONFIG_LOADADDR 0x81000000 /* loadaddr env var */
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
+#define CONFIG_DEFAULT_FDT_FILE "imx25-pdk.dtb"
+
#define CONFIG_EXTRA_ENV_SETTINGS \
"script=boot.scr\0" \
- "uimage=uImage\0" \
- "netargs=setenv bootargs console=ttymxc0,${baudrate} " \
+ "image=zImage\0" \
+ "console=ttymxc0\0" \
+ "splashpos=m,m\0" \
+ "fdt_high=0xffffffff\0" \
+ "initrd_high=0xffffffff\0" \
+ "fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
+ "fdt_addr=0x82000000\0" \
+ "boot_fdt=try\0" \
+ "ip_dyn=yes\0" \
+ "mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \
+ "mmcpart=1\0" \
+ "mmcroot=/dev/mmcblk0p2 rootwait rw\0" \
+ "update_sd_firmware_filename=u-boot.imx\0" \
+ "update_sd_firmware=" \
+ "if test ${ip_dyn} = yes; then " \
+ "setenv get_cmd dhcp; " \
+ "else " \
+ "setenv get_cmd tftp; " \
+ "fi; " \
+ "if mmc dev ${mmcdev}; then " \
+ "if ${get_cmd} ${update_sd_firmware_filename}; then " \
+ "setexpr fw_sz ${filesize} / 0x200; " \
+ "setexpr fw_sz ${fw_sz} + 1; " \
+ "mmc write ${loadaddr} 0x2 ${fw_sz}; " \
+ "fi; " \
+ "fi\0" \
+ "mmcargs=setenv bootargs console=${console},${baudrate} " \
+ "root=${mmcroot}\0" \
+ "loadbootscript=" \
+ "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
+ "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; " \
+ "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" \
- "bootcmd=run netargs; dhcp ${uimage}; bootm\0" \
+ "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
+ "netboot=echo Booting from net ...; " \
+ "run netargs; " \
+ "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}; if mmc rescan; then " \
+ "if run loadbootscript; then " \
+ "run bootscript; " \
+ "else " \
+ "if run loadimage; then " \
+ "run mmcboot; " \
+ "else run netboot; " \
+ "fi; " \
+ "fi; " \
+ "else run netboot; fi"
+
+/* Miscellaneous configurable options */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_AUTO_COMPLETE
+
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS 16
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
#endif /* __CONFIG_H */