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authorOtavio Salvador <otavio@ossystems.com.br>2013-01-23 10:30:33 +0000
committerStefano Babic <sbabic@denx.de>2013-01-28 11:50:11 +0100
commit38fc15d86c602f9b2411d81bf82c4bbd807b0704 (patch)
tree7eb6c33c18113afe48ce76641e9310a6a6990182 /include/configs/mx23_olinuxino.h
parent13b1ebdec649dbab0d0f8653e088f2df89c031e3 (diff)
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mx23_olinuxino: Add default environment
This adds a default environment with support for MMC booting. Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Diffstat (limited to 'include/configs/mx23_olinuxino.h')
-rw-r--r--include/configs/mx23_olinuxino.h77
1 files changed, 70 insertions, 7 deletions
diff --git a/include/configs/mx23_olinuxino.h b/include/configs/mx23_olinuxino.h
index 303a9e5..7983c5d 100644
--- a/include/configs/mx23_olinuxino.h
+++ b/include/configs/mx23_olinuxino.h
@@ -127,21 +127,84 @@
#define CONFIG_APBH_DMA
/*
- * ENV -- nowhere so far
- */
-#define CONFIG_ENV_SIZE (16 * 1024)
-#define CONFIG_ENV_IS_NOWHERE
-
-/*
* Boot Linux
*/
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_BOOTDELAY 3
#define CONFIG_BOOTFILE "uImage"
-#define CONFIG_BOOTARGS "console=ttyAMA0,115200n8 "
#define CONFIG_LOADADDR 0x42000000
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
#define CONFIG_OF_LIBFDT
+/*
+ * Environment
+ */
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_ENV_OVERWRITE
+#ifdef CONFIG_ENV_IS_IN_MMC
+#define CONFIG_ENV_OFFSET (256 * 1024)
+#define CONFIG_ENV_SIZE (16 * 1024)
+#define CONFIG_SYS_MMC_ENV_DEV 0
+#endif
+
+/*
+ * Extra Environments
+ */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "update_sd_firmware_filename=u-boot.sd\0" \
+ "update_sd_firmware=" /* Update the SD firmware partition */ \
+ "if mmc rescan ; then " \
+ "if tftp ${update_sd_firmware_filename} ; then " \
+ "setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \
+ "setexpr fw_sz ${fw_sz} + 1 ; " \
+ "mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
+ "fi ; " \
+ "fi\0" \
+ "script=boot.scr\0" \
+ "uimage=uImage\0" \
+ "console=ttyAMA0\0" \
+ "fdt_file=imx23-olinuxino.dtb\0" \
+ "fdt_addr=0x41000000\0" \
+ "boot_fdt=try\0" \
+ "mmcdev=0\0" \
+ "mmcpart=2\0" \
+ "mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
+ "mmcargs=setenv bootargs console=${console},${baudrate} " \
+ "root=${mmcroot}\0" \
+ "loadbootscript=" \
+ "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
+ "bootscript=echo Running bootscript from mmc ...; " \
+ "source\0" \
+ "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; " \
+ "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"
+
+#define CONFIG_BOOTCOMMAND \
+ "mmc dev ${mmcdev}; if mmc rescan; then " \
+ "if run loadbootscript; then " \
+ "run bootscript; " \
+ "else " \
+ "if run loaduimage; then " \
+ "run mmcboot; " \
+ "else " \
+ "echo ERR: Fail to boot from MMC; " \
+ "fi; " \
+ "fi; " \
+ "else exit; fi"
+
#endif /* __MX23_OLINUXINO_CONFIG_H__ */