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>

arch/arm/cpu/armv8/fsl-layerscape/cpu.c

@@ -874,7 +874,7 @@ void update_early_mmu_table(void)
 
 __weak int dram_init(void)
 {
-	gd->ram_size = initdram();
+	initdram();
 #if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
 	/* This will break-before-make MMU for DDR */
 	update_early_mmu_table();

arch/mips/mach-ath79/dram.c

@@ -9,8 +9,12 @@
 #include <asm/addrspace.h>
 #include <mach/ddr.h>
 
-phys_size_t initdram(void)
+DECLARE_GLOBAL_DATA_PTR;
+
+int initdram(void)
 {
 	ddr_tap_tuning();
-	return get_ram_size((void *)KSEG1, SZ_256M);
+	gd->ram_size = get_ram_size((void *)KSEG1, SZ_256M);
+
+	return 0;
 }

arch/mips/mach-pic32/cpu.c

@@ -110,12 +110,14 @@ static void ddr2_pmd_ungate(void)
 }
 
 /* initialize the DDR2 Controller and DDR2 PHY */
-phys_size_t initdram(void)
+int initdram(void)
 {
 	ddr2_pmd_ungate();
 	ddr2_phy_init();
 	ddr2_ctrl_init();
-	return ddr2_calculate_size();
+	gd->ram_size = ddr2_calculate_size();
+
+	return 0;
 }
 
 int misc_init_r(void)

arch/powerpc/cpu/mpc85xx/cpu.c

@@ -401,17 +401,19 @@ void mpc85xx_reginfo(void)
 #ifndef CONFIG_FSL_CORENET
 #if (defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)) && \
 	!defined(CONFIG_SYS_INIT_L2_ADDR)
-phys_size_t initdram(void)
+int initdram(void)
 {
 #if defined(CONFIG_SPD_EEPROM) || defined(CONFIG_DDR_SPD) || \
 	defined(CONFIG_ARCH_QEMU_E500)
-	return fsl_ddr_sdram_size();
+	gd->ram_size = fsl_ddr_sdram_size();
 #else
-	return (phys_size_t)CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
+	gd->ram_size = (phys_size_t)CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
 #endif
+
+	return 0;
 }
 #else /* CONFIG_SYS_RAMBOOT */
-phys_size_t initdram(void)
+int initdram(void)
 {
 	phys_size_t dram_size = 0;
 
@@ -460,7 +462,9 @@ phys_size_t initdram(void)
 #endif
 
 	debug("DDR: ");
-	return dram_size;
+	gd->ram_size = dram_size;
+
+	return 0;
 }
 #endif /* CONFIG_SYS_RAMBOOT */
 #endif

arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c

@@ -33,6 +33,8 @@
 
 #include "ecc.h"
 
+DECLARE_GLOBAL_DATA_PTR;
+
 #define PPC4xx_IBM_DDR2_DUMP_REGISTER(mnemonic)				\
 	do {								\
 		u32 data;						\
@@ -414,7 +416,7 @@ static unsigned char spd_read(uchar chip, uint addr)
  *		 banks appropriately. If Auto Memory Configuration is
  *		 not used, it is assumed that no DIMM is plugged
  *-----------------------------------------------------------------------------*/
-phys_size_t initdram(void)
+int initdram(void)
 {
 	unsigned char iic0_dimm_addr[] = SPD_EEPROM_ADDRESS;
 	unsigned long dimm_populated[MAXDIMMS] = {SDRAM_NONE, SDRAM_NONE};
@@ -429,7 +431,9 @@ phys_size_t initdram(void)
 		 * Reduce RAM size to avoid overwriting memory used by
 		 * current stack? Not sure what is happening.
 		 */
-		return sdram_memsize() / 2;
+		gd->ram_size = sdram_memsize() / 2;
+
+		return 0;
 	}
 
 	num_dimm_banks = sizeof(iic0_dimm_addr);
@@ -650,7 +654,9 @@ phys_size_t initdram(void)
 	 */
 	set_mcsr(get_mcsr());
 
-	return sdram_memsize();
+	gd->ram_size = sdram_memsize();
+
+	return 0;
 }
 
 static void get_spd_info(unsigned long *dimm_populated,
@@ -2855,7 +2861,7 @@ static void test(void)
  *		time parameters.
  * 		Configures the PPC405EX(r) and PPC460EX/GT
  *---------------------------------------------------------------------------*/
-phys_size_t initdram(void)
+int initdram(void)
 {
 	unsigned long val;
 
@@ -3011,7 +3017,9 @@ phys_size_t initdram(void)
 	set_mcsr(get_mcsr());
 #endif /* CONFIG_PPC4xx_DDR_AUTOCALIBRATION */
 
-	return (CONFIG_SYS_MBYTES_SDRAM << 20);
+	gd->ram_size = CONFIG_SYS_MBYTES_SDRAM << 20;
+
+	return 0;
 }
 #endif /* CONFIG_SPD_EEPROM */
 

arch/powerpc/cpu/ppc4xx/denali_spd_ddr2.c

@@ -30,6 +30,8 @@
 #include <asm/mmu.h>
 #include <asm/cache.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 #if defined(CONFIG_SPD_EEPROM) &&				\
 	(defined(CONFIG_440EPX) || defined(CONFIG_440GRX))
 
@@ -998,7 +1000,7 @@ static void program_ddr0_44(unsigned long dimm_ranks[],
  *		 banks appropriately. If Auto Memory Configuration is
  *		 not used, it is assumed that no DIMM is plugged
  *-----------------------------------------------------------------------------*/
-phys_size_t initdram(void)
+int initdram(void)
 {
 	unsigned char const iic0_dimm_addr[] = SPD_EEPROM_ADDRESS;
 	unsigned long dimm_ranks[MAXDIMMS];
@@ -1212,7 +1214,9 @@ phys_size_t initdram(void)
 #endif /* defined(CONFIG_ZERO_SDRAM) || defined(CONFIG_DDR_ECC) */
 
 	program_tlb(0, CONFIG_SYS_SDRAM_BASE, dram_size, MY_TLB_WORD2_I_ENABLE);
-	return dram_size;
+	gd->ram_size = dram_size;
+
+	return 0;
 }
 
 void board_add_ram_info(int use_default)

arch/powerpc/cpu/ppc4xx/sdram.c

@@ -17,6 +17,8 @@
 #include "sdram.h"
 #include "ecc.h"
 
+DECLARE_GLOBAL_DATA_PTR;
+
 #ifdef CONFIG_SDRAM_BANK0
 
 #ifndef CONFIG_440
@@ -148,7 +150,7 @@ static ulong compute_rtr(ulong speed, ulong rows, ulong refresh)
 /*
  * Autodetect onboard SDRAM on 405 platforms
  */
-phys_size_t initdram(void)
+int initdram(void)
 {
 	ulong speed;
 	ulong sdtr1;
@@ -226,11 +228,13 @@ phys_size_t initdram(void)
 			/*
 			 * OK, size detected -> all done
 			 */
-			return size;
+			gd->ram_size = size;
+
+			return 0;
 		}
 	}
 
-	return 0;
+	return -ENXIO;
 }
 
 #else /* CONFIG_440 */
@@ -349,7 +353,7 @@ static void sdram_tr1_set(int ram_address, int* tr1_value)
  *	 so this should be extended for other future boards
  *	 using this routine!
  */
-phys_size_t initdram(void)
+int initdram(void)
 {
 	int i;
 	int tr1_bank1;
@@ -440,11 +444,13 @@ phys_size_t initdram(void)
 			/*
 			 * OK, size detected -> all done
 			 */
-			return size;
+			gd->ram_size = size;
+
+			return 0;
 		}
 	}
 
-	return 0;				/* nothing found !		*/
+	return -ENXIO;			/* nothing found !		*/
 }
 
 #endif /* CONFIG_440 */