ARM: uniphier: call uniphier_get_board_param() without FDT blob

Move "gd->fdt_blob" from the caller to the callee so that this
function can be used more easily.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/mach-uniphier/boards.c

@@ -4,10 +4,13 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
+#include <common.h>
 #include <libfdt.h>
 #include <linux/kernel.h>
 #include <mach/init.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 #if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD3)
 static const struct uniphier_board_data ph1_sld3_data = {
 	.dram_ch0_base	= 0x80000000,
@@ -116,12 +119,12 @@ static const struct uniphier_board_id uniphier_boards[] = {
 #endif
 };
 
-const struct uniphier_board_data *uniphier_get_board_param(const void *fdt)
+const struct uniphier_board_data *uniphier_get_board_param(void)
 {
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(uniphier_boards); i++) {
-		if (!fdt_node_check_compatible(fdt, 0,
+		if (!fdt_node_check_compatible(gd->fdt_blob, 0,
 					       uniphier_boards[i].compatible))
 			return uniphier_boards[i].param;
 	}

arch/arm/mach-uniphier/include/mach/init.h

@@ -20,7 +20,7 @@ struct uniphier_board_data {
 	unsigned int  dram_freq;
 };
 
-const struct uniphier_board_data *uniphier_get_board_param(const void *fdt);
+const struct uniphier_board_data *uniphier_get_board_param(void);
 
 int ph1_sld3_init(const struct uniphier_board_data *bd);
 int ph1_ld4_init(const struct uniphier_board_data *bd);

arch/arm/mach-uniphier/init/init.c

@@ -9,13 +9,11 @@
 #include <mach/init.h>
 #include <mach/soc_info.h>
 
-DECLARE_GLOBAL_DATA_PTR;
-
 void spl_board_init(void)
 {
 	const struct uniphier_board_data *param;
 
-	param = uniphier_get_board_param(gd->fdt_blob);
+	param = uniphier_get_board_param();
 	if (!param)
 		hang();