tsec: Allow Ten Bit Interface address to be configurable

Allow the address of the Ten Bit Interface (TBI) to be changed in the
event of a conflict with another device.

Signed-off by: Joe Hamman <joe.hamman@embeddedspecialties.com>

drivers/tsec.c

@@ -296,9 +296,9 @@ static int init_phy(struct eth_device *dev)
 	volatile tsec_t *regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
 
 	/* Assign a Physical address to the TBI */
-	regs->tbipa = TBIPA_VALUE;
+	regs->tbipa = CFG_TBIPA_VALUE;
 	regs = (volatile tsec_t *)(TSEC_BASE_ADDR + TSEC_SIZE);
-	regs->tbipa = TBIPA_VALUE;
+	regs->tbipa = CFG_TBIPA_VALUE;
 	asm("sync");
 
 	/* Reset MII (due to new addresses) */

drivers/tsec.h

@@ -70,7 +70,9 @@
 #define miim_end -2
 #define miim_read -1
 
-#define TBIPA_VALUE		0x1f
+#ifndef CFG_TBIPA_VALUE
+    #define CFG_TBIPA_VALUE	0x1f
+#endif
 #define MIIMCFG_INIT_VALUE	0x00000003
 #define MIIMCFG_RESET		0x80000000