@@ -169,5 +169,48 @@
#define CONFIG_BOOTDELAY 5 /* autoboot after X seconds */
#undef CONFIG_BOOTARGS
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "loadaddr="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \
+ "uenvfile=uEnv.txt\0" \
+ "uenvaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0" \
+ "scriptfile=boot.scr\0" \
+ "ubootfile=u-boot.bin\0" \
+ "importbootenv= " \
+ "env import -t -r ${uenvaddr} ${filesize};\0" \
+ \
+ "tftploadenv=tftp ${uenvaddr} ${uenvfile} \0" \
+ "tftploadscr=tftp ${uenvaddr} ${scriptfile} \0" \
+ "tftploadub=tftp ${loadaddr} ${ubootfile} \0" \
+ \
+ "mmcloadenv=fatload mmc 0 ${uenvaddr} ${uenvfile}\0" \
+ "mmcloadscr=fatload mmc 0 ${uenvaddr} ${scriptfile}\0" \
+ "mmcloadub=fatload mmc 0 ${loadaddr} ${ubootfile}\0" \
+ \
+ "flashub=protect off bank 1; " \
+ "erase.b 0x9d004000 0x9d0f3fff; " \
+ "cp.b ${loadaddr} 0x9d004000 ${filesize}; " \
+ "cmp.b ${loadaddr} 0x9d004000 ${filesize}; " \
+ "protect on bank 1; \0" \
+ \
+ "loadbootenv=run mmcloadenv || run tftploadenv\0" \
+ "loadbootscr=run mmcloadscr || run tftploadscr\0" \
+ "bootcmd_root= " \
+ "if run loadbootenv; then " \
+ "echo Loaded environment ${uenvfile}; " \
+ "run importbootenv; " \
+ "fi; " \
+ "if test -n \"${bootcmd_uenv}\" ; then " \
+ "echo Running bootcmd_uenv ...; " \
+ "run bootcmd_uenv; " \
+ "fi; " \
+ "if run loadbootscr; then " \
+ "echo Jumping to ${scriptfile}; " \
+ "source ${uenvaddr}; " \
+ "fi; " \
+ "echo Custom environment or script not found. " \
+ "Aborting auto booting...; \0" \
+ ""
+
+#define CONFIG_BOOTCOMMAND "run bootcmd_root"
#define CONFIG_MEMSIZE_IN_BYTES /* pass 'memsize=' in bytes */
#endif /* __PIC32MZDASK_CONFIG_H */
Add custom environment variables and commands to help boot from micro-SD card and/or from network (TFTP protocol). Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com> --- include/configs/pic32mzdask.h | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+)