powerpc/mpc85xx: socrates: enable protected Environment

enable protected Environment on socrates board.

Signed-off-by: Heiko Schocher <hs@denx.de>

board/socrates/socrates.c

@@ -13,6 +13,7 @@
 #include <common.h>
 #include <clock_legacy.h>
 #include <env.h>
+#include <env_internal.h>
 #include <init.h>
 #include <pci.h>
 #include <uuid.h>
@@ -221,3 +222,19 @@ int get_serial_clock(void)
 {
 	return 333333330;
 }
+
+enum env_location env_get_location(enum env_operation op, int prio)
+{
+	if (op == ENVOP_SAVE || op == ENVOP_ERASE)
+		return ENVL_FLASH;
+
+	switch (prio) {
+	case 0:
+		return ENVL_NOWHERE;
+	case 1:
+		return ENVL_FLASH;
+	default:
+		return ENVL_UNKNOWN;
+	}
+	return ENVL_UNKNOWN;
+}

configs/socrates_defconfig

@@ -68,9 +68,13 @@ CONFIG_MTDIDS_DEFAULT="nor0=fe000000.nor_flash,nand0=socrates_nand"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=fe000000.nor_flash:13312k(system1),13312k(system2),5120k(data),128k(env),128k(env-red),768k(u-boot);socrates_nand:256M(ubi-data1),-(ubi-data2)"
 # CONFIG_CMD_IRQ is not set
 CONFIG_OF_CONTROL=y
+CONFIG_ENV_IS_NOWHERE=y
 CONFIG_ENV_IS_IN_FLASH=y
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
 CONFIG_ENV_ADDR_REDUND=0xFFF00000
+CONFIG_ENV_APPEND=y
+CONFIG_ENV_WRITEABLE_LIST=y
+CONFIG_ENV_ACCESS_IGNORE_FORCE=y
 CONFIG_USE_ETHPRIME=y
 CONFIG_ETHPRIME="eTSEC0"
 CONFIG_SPD_EEPROM=y

include/configs/socrates.h

@@ -171,6 +171,8 @@
 	SOCRATES_ENV_MTD \
 	""
 
+#define CFG_ENV_FLAGS_LIST_STATIC "ethaddr:mw,eth1addr:mw,system1_addr:xw,serial#:sw,ethact:sw,ethprime:sw"
+
 /* pass open firmware flat tree */
 
 #endif	/* __CONFIG_H */