ac14xx: rephrase network boot config for development

- remove the builtin 'rootpath' spec (according to U-Boot project
  policy) and require user provided environments to contain these
- rephrase the evaluation of the 'muster_nr' approach which allows to
  quickly switch among several network boot setups (make the setting
  transparent when empty, resulting in default DULG behaviour)
- reduce the ARP timeout for faster network boot

Signed-off-by: Gerhard Sittig <gsi@denx.de>

diff --git a/include/configs/ac14xx.h b/include/configs/ac14xx.h
index fcb56f4ad5a9e1b18c5bbca293e85c300bc9cf2d..381bcdda0d00fc5e0f25ce259cce6f38ec73c9df 100644 (file)
--- a/include/configs/ac14xx.h
+++ b/include/configs/ac14xx.h
@@ -505,15 +505,15 @@
        "echo"
 
 #define CONFIG_EXTRA_ENV_SETTINGS_DEVEL                                        \
-       "muster_nr=00\0"                                                \
+       "muster_nr=-00\0"                                               \
        "fromram=run ramargs addip addtty; "                            \
-               "tftp ${fdt_addr_r} ac14xx/ac14xx.dtb-${muster_nr}; "   \
-               "tftp ${kernel_addr_r} ac14xx/uImage-${muster_nr}; "    \
-               "tftp ${ramdisk_addr_r} ac14xx/uFS-${muster_nr}; "      \
+               "tftp ${fdt_addr_r} ac14xx/ac14xx.dtb${muster_nr}; "    \
+               "tftp ${kernel_addr_r} ac14xx/uImage${muster_nr}; "     \
+               "tftp ${ramdisk_addr_r} ac14xx/uFS${muster_nr}; "       \
                "bootm ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}\0" \
        "fromnfs=run nfsargs addip addtty; "                            \
-               "tftp ${fdt_addr_r} ac14xx/ac14xx.dtb-${muster_nr}; "   \
-               "tftp ${kernel_addr_r} ac14xx/uImage-${muster_nr}; "    \
+               "tftp ${fdt_addr_r} ac14xx/ac14xx.dtb${muster_nr}; "    \
+               "tftp ${kernel_addr_r} ac14xx/uImage${muster_nr}; "     \
                "bootm ${kernel_addr_r} - ${fdt_addr_r}\0"              \
        "fromflash=run nfsargs addip addtty; "                          \
                "bootm fc020000 - fc000000\0"                           \
@@ -541,12 +541,11 @@
        "u-boot=ac14xx/u-boot.bin\0"                                    \
        "bootfile=ac14xx/uImage\0"                                      \
        "fdtfile=ac14xx/ac14xx.dtb\0"                                   \
-       "rootpath=/opt/eldk/ppc_6xx\n"                                  \
        "netdev=eth0\0"                                                 \
        "consdev=ttyPSC0\0"                                             \
        "hostname=ac14xx\0"                                             \
        "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
-               "nfsroot=${serverip}:${rootpath}-${muster_nr}\0"        \
+               "nfsroot=${serverip}:${rootpath}${muster_nr}\0" \
        "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
        "addip=setenv bootargs ${bootargs} "                            \
                "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"      \
@@ -576,6 +575,8 @@
 
 #define CONFIG_BOOTCOMMAND     "run production"
 
+#define CONFIG_ARP_TIMEOUT     200UL
+
 #define CONFIG_FIT             1
 #define CONFIG_OF_LIBFDT       1
 #define CONFIG_OF_BOARD_SETUP  1