microblaze: Clean microblaze initialization

Move board specific function to board_init function in board/ folder
Remove externs from generic board.c
Use board_init_f function in board.c file.

Signed-off-by: Michal Simek <monstr@monstr.eu>
Acked-by: Stephan Linz <linz@li-pro.net>

arch/microblaze/cpu/start.S

@@ -149,7 +149,7 @@ clear_bss:
 	cmp     r6, r5, r4 /* check if we have reach the end */
 	bnei    r6, 2b
 3:	/* jumping to board_init */
-	brai	board_init
+	brai	board_init_f
 1:	bri	1b
 
 /*

arch/microblaze/include/asm/processor.h

@@ -28,4 +28,7 @@
 extern char __end[];
 extern char __text_start[];
 
+/* Microblaze board initialization function */
+void board_init(void);
+
 #endif /* __ASM_MICROBLAZE_PROCESSOR_H */

arch/microblaze/lib/board.c

@@ -39,13 +39,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#ifdef CONFIG_SYS_GPIO_0
-extern int gpio_init (void);
-#endif
-#ifdef CONFIG_SYS_FSL_2
-extern void fsl_init2 (void);
-#endif
-
 /*
  * All attempts to come up with a "common" initialization sequence
  * that works for all boards and architectures failed: some of the
@@ -67,20 +60,14 @@ init_fnc_t *init_sequence[] = {
 #endif
 	serial_init,
 	console_init_f,
-#ifdef CONFIG_SYS_GPIO_0
-	gpio_init,
-#endif
 	interrupts_init,
 	timer_init,
-#ifdef CONFIG_SYS_FSL_2
-	fsl_init2,
-#endif
 	NULL,
 };
 
 unsigned long monitor_flash_len;
 
-void board_init (void)
+void board_init_f(ulong not_used)
 {
 	bd_t *bd;
 	init_fnc_t **init_fnc_ptr;
@@ -189,6 +176,8 @@ void board_init (void)
 	/* Initialize the console (after the relocation and devices init) */
 	console_init_r();
 
+	board_init();
+
 	/* Initialize from environment */
 	load_addr = getenv_ulong("loadaddr", 16, load_addr);
 

board/xilinx/microblaze-generic/microblaze-generic.c

@@ -28,6 +28,7 @@
 #include <common.h>
 #include <config.h>
 #include <netdev.h>
+#include <asm/processor.h>
 #include <asm/microblaze_intc.h>
 #include <asm/asm.h>
 
@@ -69,6 +70,14 @@ int fsl_init2 (void) {
 }
 #endif
 
+void board_init(void)
+{
+	gpio_init();
+#ifdef CONFIG_SYS_FSL_2
+	fsl_init2();
+#endif
+}
+
 int board_eth_init(bd_t *bis)
 {
 	int ret = 0;