[U-Boot] [PATCH v6 1/2] mx23_olinuxino: Add default environment

Otavio Salvador
2013-01-23T20:30:33Z

This adds a default environment with support for MMC booting.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
---
Changes in v6:
- Remove 'saveenv' command as it is not need
- Move environment settings to environment section

Changes in v5:
- Remove duplicate environment setting
- Improve commit log

Changes in v4: None
Changes in v3: None
Changes in v2: None

include/configs/mx23_olinuxino.h | 77 ++++++++++++++++++++++++++++++++++++----
1 file changed, 70 insertions(+), 7 deletions(-)

diff --git a/include/configs/mx23_olinuxino.h b/include/configs/mx23_olinuxino.h
index bc63481..4658aea 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__ */
--
1.8.1