MIPS: BCM63XX: move nvram functions into their own file

Refactor nvram related functions into its own unit for easier expansion
and exposure of the values to other drivers.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4516
Signed-off-by: John Crispin <blogic@openwrt.org>

2 files changed, 35 insertions, 17 deletions

diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
new file mode 100644
index 000000000000..62d6a3b4d3b7
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h
@@ -0,0 +1,35 @@
+#ifndef BCM63XX_NVRAM_H
+#define BCM63XX_NVRAM_H
+
+#include <linux/types.h>
+
+/**
+ * bcm63xx_nvram_init() - initializes nvram
+ * @nvram:      address of the nvram data
+ *
+ * Initialized the local nvram copy from the target address and checks
+ * its checksum.
+ *
+ * Returns 0 on success.
+ */
+int __init bcm63xx_nvram_init(void *nvram);
+
+/**
+ * bcm63xx_nvram_get_name() - returns the board name according to nvram
+ *
+ * Returns the board name field from nvram. Note that it might not be
+ * null terminated if it is exactly 16 bytes long.
+ */
+u8 *bcm63xx_nvram_get_name(void);
+
+/**
+ * bcm63xx_nvram_get_mac_address() - register & return a new mac address
+ * @mac:        pointer to array for allocated mac
+ *
+ * Registers and returns a mac address from the allocated macs from nvram.
+ *
+ * Returns 0 on success.
+ */
+int bcm63xx_nvram_get_mac_address(u8 *mac);
+
+#endif /* BCM63XX_NVRAM_H */
diff --git a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
index b0dd4bb53f7e..682bcf3b492a 100644
--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
@@ -15,23 +15,6 @@
 #define BCM963XX_NVRAM_OFFSET           0x580
 
 /*
- * nvram structure
- */
-struct bcm963xx_nvram {
-        u32     version;
-        u8      reserved1[256];
-        u8      name[16];
-        u32     main_tp_number;
-        u32     psi_size;
-        u32     mac_addr_count;
-        u8      mac_addr_base[6];
-        u8      reserved2[2];
-        u32     checksum_old;
-        u8      reserved3[720];
-        u32     checksum_high;
-};
-
-/*
  * board definition
  */
 struct board_info {