N200 comes up with default IP and MAC when booted in safe mode (button pushed).

4 files changed, 42 insertions, 0 deletions

diff --git a/firmware/microblaze/lib/eeprom.c b/firmware/microblaze/lib/eeprom.c
index b12ffe082..d4e170046 100644
--- a/firmware/microblaze/lib/eeprom.c
+++ b/firmware/microblaze/lib/eeprom.c
@@ -17,9 +17,21 @@
 
 #include "i2c.h"
 #include "mdelay.h"
+#include "usrp2/fw_common.h"
 
 static const int EEPROM_PAGESIZE = 16;
 
+bool find_safe_booted_flag(void) {
+	unsigned char flag_byte;
+	eeprom_read(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_BOOTLOADER_FLAGS, &flag_byte, 1);
+	return (flag_byte == 0x5E);
+}
+
+void set_safe_booted_flag(bool flag) {
+	unsigned char flag_byte = flag ? 0x5E : 0xDC;
+	eeprom_write(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_BOOTLOADER_FLAGS, &flag_byte, 1);
+}
+
 bool
 eeprom_write (int i2c_addr, int eeprom_offset, const void *buf, int len)
 {
diff --git a/firmware/microblaze/lib/eth_addrs.c b/firmware/microblaze/lib/eth_addrs.c
index c6320e4fa..ff5d04f4d 100644
--- a/firmware/microblaze/lib/eth_addrs.c
+++ b/firmware/microblaze/lib/eth_addrs.c
@@ -46,9 +46,20 @@ unprogrammed(const void *t, size_t len)
 //////////////////// MAC Addr Stuff ///////////////////////
 
 static int8_t src_mac_addr_initialized = false;
+
+static const eth_mac_addr_t default_mac_addr = {{
+    0x00, 0x50, 0xC2, 0x85, 0x3f, 0xff
+  }};
+
 static eth_mac_addr_t src_mac_addr = {{
     0x00, 0x50, 0xC2, 0x85, 0x3f, 0xff
   }};
+  
+void set_default_mac_addr(void)
+{
+    src_mac_addr_initialized = true;
+    src_mac_addr = default_mac_addr;
+}
 
 const eth_mac_addr_t *
 ethernet_mac_addr(void)
@@ -88,10 +99,20 @@ ethernet_set_mac_addr(const eth_mac_addr_t *t)
 //////////////////// IP Addr Stuff ///////////////////////
 
 static int8_t src_ip_addr_initialized = false;
+
+static const struct ip_addr default_ip_addr = {
+    (192 << 24 | 168 << 16 | 10 << 8 | 2 << 0)
+};
+
 static struct ip_addr src_ip_addr = {
     (192 << 24 | 168 << 16 | 10 << 8 | 2 << 0)
 };
 
+void set_default_ip_addr(void)
+{
+    src_ip_addr_initialized = true;
+    src_ip_addr = default_ip_addr;
+}
 
 const struct ip_addr *get_ip_addr(void)
 {
diff --git a/firmware/microblaze/lib/ethernet.h b/firmware/microblaze/lib/ethernet.h
index 8c6d8b567..52b297349 100644
--- a/firmware/microblaze/lib/ethernet.h
+++ b/firmware/microblaze/lib/ethernet.h
@@ -44,6 +44,9 @@ void ethernet_register_link_changed_callback(ethernet_link_changed_callback_t cb
  */
 const eth_mac_addr_t *ethernet_mac_addr(void);
 
+/*!set mac addr to default*/
+void set_default_mac_addr(void);
+
 /*!
  * \brief write mac address to eeprom and begin using it
  */
@@ -54,6 +57,9 @@ bool ethernet_set_mac_addr(const eth_mac_addr_t *t);
  */
 const struct ip_addr *get_ip_addr(void);
 
+/*!set ip addr to default*/
+void set_default_ip_addr(void);
+
 /*!
  * \brief write ip address to eeprom and begin using it
  */
diff --git a/firmware/microblaze/lib/i2c.h b/firmware/microblaze/lib/i2c.h
index 6ff0e6982..1af4d72df 100644
--- a/firmware/microblaze/lib/i2c.h
+++ b/firmware/microblaze/lib/i2c.h
@@ -33,4 +33,7 @@ bool eeprom_write (int i2c_addr, int eeprom_offset, const void *buf, int len);
 
 bool eeprom_read (int i2c_addr, int eeprom_offset, void *buf, int len);
 
+bool find_safe_booted_flag(void);
+void set_safe_booted_flag(bool flag);
+
 #endif /* INCLUDED_I2C_H */