board_f: Drop setup_dram_config() wrapper

By making dram_init_banksize() return an error code we can drop the
wrapper. Adjust this and clean up all implementations.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/arch/x86/cpu/broadwell/sdram.c b/arch/x86/cpu/broadwell/sdram.c
index 74736cd..774aba6 100644
--- a/arch/x86/cpu/broadwell/sdram.c
+++ b/arch/x86/cpu/broadwell/sdram.c
@@ -28,9 +28,11 @@
 	return mrc_common_board_get_usable_ram_top(total_size);
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	mrc_common_dram_init_banksize();
+
+	return 0;
 }
 
 void broadwell_fill_pei_data(struct pei_data *pei_data)
diff --git a/arch/x86/cpu/coreboot/sdram.c b/arch/x86/cpu/coreboot/sdram.c
index 7115e7a..82407af 100644
--- a/arch/x86/cpu/coreboot/sdram.c
+++ b/arch/x86/cpu/coreboot/sdram.c
@@ -104,7 +104,7 @@
 	return 0;
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	int i, j;
 
@@ -121,4 +121,6 @@
 			}
 		}
 	}
+
+	return 0;
 }
diff --git a/arch/x86/cpu/efi/sdram.c b/arch/x86/cpu/efi/sdram.c
index 5159944..413e55b 100644
--- a/arch/x86/cpu/efi/sdram.c
+++ b/arch/x86/cpu/efi/sdram.c
@@ -22,8 +22,10 @@
 	return 0;
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	gd->bd->bi_dram[0].start = efi_get_ram_base();
 	gd->bd->bi_dram[0].size = CONFIG_EFI_RAM_SIZE;
+
+	return 0;
 }
diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c
index 201368c..643d804 100644
--- a/arch/x86/cpu/ivybridge/sdram.c
+++ b/arch/x86/cpu/ivybridge/sdram.c
@@ -46,9 +46,11 @@
 	return mrc_common_board_get_usable_ram_top(total_size);
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	mrc_common_dram_init_banksize();
+
+	return 0;
 }
 
 static int read_seed_from_cmos(struct pei_data *pei_data)
diff --git a/arch/x86/cpu/qemu/dram.c b/arch/x86/cpu/qemu/dram.c
index a88d0d2..9d84af5 100644
--- a/arch/x86/cpu/qemu/dram.c
+++ b/arch/x86/cpu/qemu/dram.c
@@ -26,10 +26,12 @@
 	return 0;
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	gd->bd->bi_dram[0].start = 0;
 	gd->bd->bi_dram[0].size = gd->ram_size;
+
+	return 0;
 }
 
 /*
diff --git a/arch/x86/cpu/quark/dram.c b/arch/x86/cpu/quark/dram.c
index 40c830a..47beb86 100644
--- a/arch/x86/cpu/quark/dram.c
+++ b/arch/x86/cpu/quark/dram.c
@@ -162,10 +162,12 @@
 	return 0;
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	gd->bd->bi_dram[0].start = 0;
 	gd->bd->bi_dram[0].size = gd->ram_size;
+
+	return 0;
 }
 
 /*
diff --git a/arch/x86/include/asm/u-boot-x86.h b/arch/x86/include/asm/u-boot-x86.h
index cc7fc73..33c6e2b 100644
--- a/arch/x86/include/asm/u-boot-x86.h
+++ b/arch/x86/include/asm/u-boot-x86.h
@@ -41,7 +41,7 @@
 int x86_init_cache(void);
 void reset_cpu(ulong addr);
 ulong board_get_usable_ram_top(ulong total_size);
-void dram_init_banksize(void);
+int dram_init_banksize(void);
 int default_print_cpuinfo(void);
 
 /* Set up a UART which can be used with printch(), printhex8(), etc. */
diff --git a/arch/x86/lib/efi/efi.c b/arch/x86/lib/efi/efi.c
index 533318b..b1746fa 100644
--- a/arch/x86/lib/efi/efi.c
+++ b/arch/x86/lib/efi/efi.c
@@ -92,7 +92,7 @@
 	return 0;
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	struct efi_mem_desc *desc, *end;
 	struct efi_entry_memmap *map;
@@ -103,7 +103,7 @@
 	if (ret) {
 		/* We should have stopped in dram_init(), something is wrong */
 		debug("%s: Missing memory map\n", __func__);
-		return;
+		return -ENXIO;
 	}
 	end = (struct efi_mem_desc *)((ulong)map + size);
 	desc = map->desc;
@@ -123,6 +123,8 @@
 			EFI_PAGE_SHIFT;
 		num_banks++;
 	}
+
+	return 0;
 }
 
 int checkcpu(void)
diff --git a/arch/x86/lib/fsp/fsp_dram.c b/arch/x86/lib/fsp/fsp_dram.c
index fcfe693..8b880cd 100644
--- a/arch/x86/lib/fsp/fsp_dram.c
+++ b/arch/x86/lib/fsp/fsp_dram.c
@@ -41,10 +41,12 @@
 	return 0;
 }
 
-void dram_init_banksize(void)
+int dram_init_banksize(void)
 {
 	gd->bd->bi_dram[0].start = 0;
 	gd->bd->bi_dram[0].size = gd->ram_size;
+
+	return 0;
 }
 
 /*