board_f: Drop return value from initdram()

At present we cannot use this function as an init sequence call without a
wrapper, since it returns the RAM size. Adjust it to set the RAM size in
global_data instead, and return 0 on success.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/board/mpl/mip405/mip405.c b/board/mpl/mip405/mip405.c
index e2961d1..e642296 100644
--- a/board/mpl/mip405/mip405.c
+++ b/board/mpl/mip405/mip405.c
@@ -622,7 +622,7 @@
 /* ------------------------------------------------------------------------- */
 static int test_dram (unsigned long ramsize);
 
-phys_size_t initdram(void)
+int initdram(void)
 {
 
 	unsigned long bank_reg[4], tmp, bank_size;
@@ -655,7 +655,9 @@
 	printf ("ECC ");
 
 	test_dram (TotalSize * MEGA_BYTE);
-	return (TotalSize * MEGA_BYTE);
+	gd->ram_size = TotalSize * MEGA_BYTE;
+
+	return 0;
 }
 
 /* ------------------------------------------------------------------------- */
diff --git a/board/mpl/pati/pati.c b/board/mpl/pati/pati.c
index 951010a..7b7b93f 100644
--- a/board/mpl/pati/pati.c
+++ b/board/mpl/pati/pati.c
@@ -55,6 +55,8 @@
 		asm (GEN_SYMNAME(name) " = " GEN_VALUE(value))
 
 
+DECLARE_GLOBAL_DATA_PTR;
+
 /************************************************************************
  * Early debug routines
  */
@@ -133,7 +135,7 @@
 /*
  * Get RAM size.
  */
-phys_size_t initdram(void)
+int initdram(void)
 {
 	unsigned char board_rev;
 	unsigned long reg;
@@ -209,8 +211,10 @@
 	/* we have a x32 bit bus to the SDRAM, so shift the addr with 2 */
 	lmr<<=2;
 	in32(CONFIG_SYS_SDRAM_BASE + lmr);
-	/* ok, we're done, return SDRAM size */
-	return ((0x400000 << sdram_table[i].sz));		/* log2 value of 4MByte  */
+	/* ok, we're done, set SDRAM size to log2 value of 4MByte*/
+	gd->ram_size = 0x400000 << sdram_table[i].sz;
+
+	return 0;
 }
 
 
diff --git a/board/mpl/pip405/pip405.c b/board/mpl/pip405/pip405.c
index 07b30ed..c07d8f8 100644
--- a/board/mpl/pip405/pip405.c
+++ b/board/mpl/pip405/pip405.c
@@ -612,7 +612,7 @@
 /* ------------------------------------------------------------------------- */
 static int test_dram (unsigned long ramsize);
 
-phys_size_t initdram(void)
+int initdram(void)
 {
 	unsigned long bank_reg[4], tmp, bank_size;
 	int i, ds;
@@ -648,7 +648,9 @@
 	(void) get_clocks();
 	if (gd->cpu_clk > 220000000)
 		TotalSize /= 2;
-	return (TotalSize * 1024 * 1024);
+	gd->ram_size = TotalSize * 1024 * 1024;
+
+	return 0;
 }
 
 /* ------------------------------------------------------------------------- */