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>

diff --git a/include/configs/mx25pdk.h b/include/configs/mx25pdk.h
index af6aafaf1c6257a3287c57579b780777232095ba..aff2419f852593ee5ed1c9832b93f2640d58c9f2 100644 (file)
--- 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 */