nmhw21: Added bootlimit

BugzID: 55162

Signed-off-by: Lucien Mueller <lucien.mueller@netmodule.com>

configs/am335x_nmhw21_defconfig

@@ -47,3 +47,4 @@ CONFIG_OF_LIBFDT=y
 # CONFIG_EFI_LOADER is not set
 # CONFIG_CMD_LOADB is not set
 # CONFIG_CMD_LOADS is not set
+CONFIG_BOOTCOUNT_LIMIT=y

include/configs/am335x_nmhw21.h

@@ -55,7 +55,8 @@ int eth_phy_timeout(void);
 #undef CONFIG_NET_RETRY_COUNT
 #define CONFIG_NET_RETRY_COUNT		5
 #define CONFIG_BOOTP_MAY_FAIL
-
+#define CONFIG_BOOTCOUNT_LIMIT
+#define CONFIG_BOOTCOUNT_AM33XX
 #ifndef CONFIG_SPL_BUILD
 
 
@@ -102,14 +103,27 @@ int eth_phy_timeout(void);
 	"ethprime=cpsw\0" \
 	"ethopts=ti_cpsw.rx_packet_max=1526\0" \
 	"bootcmd_otenv=ext4load mmc 1:1 $load_addr /boot/loader/uEnv.txt; " \
-			"env import -t $load_addr $filesize; " \
-			"setenv bootargs $bootargs root=/dev/ram0 console=$defaultconsole,115200 " \
-			"$ethopts rw ostree_root=/dev/mmcblk1p1\0" \
-	"bootcmd_rd_in_mmc=ext4load mmc 1:1 $kernel_addr_r /boot$kernel_image; " \
+			"env import -t $load_addr $filesize\0" \
+	"bootcmd_ostree=setenv bootargs $bootargs root=/dev/ram0 console=$defaultconsole,115200 panic=1 $ethopts rw ostree_root=/dev/mmcblk1p1;" \
+			"ext4load mmc 1:1 $kernel_addr_r /boot$kernel_image; " \
 			"ext4load mmc 1:1 $ramdisk_addr_r /boot$ramdisk_image; " \
 			"bootm $kernel_addr_r $ramdisk_addr_r\0" \
-	"bootcmd=run bootcmd_otenv; run bootcmd_rd_in_mmc\0" \
+	"bootcmd_ostree_fb=setenv bootargs $bootargs2 root=/dev/ram0 console=$defaultconsole,115200 panic=1 $ethopts rw ostree_root=/dev/mmcblk1p1; " \
+			"ext4load mmc 1:1 $kernel_addr_r /boot$kernel_image2; " \
+			"ext4load mmc 1:1 $ramdisk_addr_r /boot$ramdisk_image2; " \
+			"bootm $kernel_addr_r $ramdisk_addr_r\0" \
+	"bootcmd=run bootcmd_otenv; " \
+			"if test $bootcount < 3; then " \
+				"echo \"Booting ostree...\"; " \
+				"run bootcmd_ostree; fi; " \
+			"if test $bootcount > 6 || test ! -n $kernel_image2; then " \
+			  "echo \"Booting recovery...\"; " \
+				"run recovery; fi; " \
+			"if test -n $kernel_image2; then " \
+				"echo \"Booting ostree fallback system...\"; " \
+				"run bootcmd_ostree_fb; fi\0" \
 	"bootdelay=0\0" \
+	"bootcount=1\0" \
 	"ipaddr=192.168.1.1\0" \
 	"serverip=192.168.1.254\0" \
 	"tftptimeout=2000\0" \