Add boot parameters to U-boot

Author: pingswept

gen-rascal-binaries.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+
+import csv, os, subprocess, sys
+
+s = []
+with open('../../hash-mac-serial-0001-1000.csv', 'rb') as f:
+    serials = csv.reader(f)
+    for row in serials:
+        s.append([row[0], row[1], row[2]])
+
+os.environ['CROSS_COMPILE'] = 'arm-linux-'
+os.environ['PATH'] = os.environ['PATH'] + ':/opt/eldk/usr/bin:/opt/eldk/bin:/opt/cs/bin'
+
+for i in range(int(sys.argv[1]), int(sys.argv[2]) + 1):
+    pwhash = s[i][0]
+    mac = s[i][1]
+    serial = s[i][2]
+    hostname = 'rascal' + serial[2:6].lstrip('0')
+
+    config_text ="""#define CONFIG_RASCAL_DEFAULT_PASSWORD_HASH {0}
+#define CONFIG_RASCAL_ETHADDR {1}
+#define CONFIG_RASCAL_HOSTNAME {2}""".format(pwhash, mac, hostname)
+
+    commands = [
+        'env',
+        'cp include/configs/rascal.h rascal.h.orig',
+        'echo "' + config_text + '" >> include/configs/rascal.h',
+        'make distclean; make rascal_config; make all',
+        'cp u-boot.bin ../u-boot-{0}'.format(serial.lower()),
+        'cp rascal.h.orig include/configs/rascal.h',
+    ]
+    for cmd in commands:
+        print(cmd)
+        subprocess.Popen(cmd, shell=True)

include/configs/rascal.h

@@ -136,8 +136,8 @@
 /* Default environment variables */
 #define CONFIG_BOOTDELAY	3
 #define CONFIG_BOOTCOMMAND "sf probe 0 15000000 0; sf read 22000000 100000 2fffff; bootm 0x22000000"
-#define CONFIG_BOOTARGS "console=ttyS0,115200"
-#define CONFIG_ETHADDR 02:03:04:00:00:06
+#define CONFIG_BOOTARGS "console=ttyS0,115200 ip=::::CONFIG_RASCAL_HOSTNAME:: pwhash=CONFIG_RASCAL_DEFAULT_PASSWORD_HASH"
+#define CONFIG_ETHADDR CONFIG_RASCAL_ETHADDR
 #define CONFIG_BAUDRATE		115200
 
 #define CONFIG_SYS_BAUDRATE_TABLE	{115200 , 19200, 38400, 57600, 9600 }