ARM: UniPhier: consolidate MEMCONF setting code

This code is duplicated in ph1-ld4/sg_init.c and ph1-pro4/sg_init.c.
Merge the same code into a new file, memconf.c.

The helper functions no longer have to be placed in the header file.
Also, move them into memconf.c.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

arch/arm/mach-uniphier/Makefile

@@ -7,6 +7,7 @@ ifdef CONFIG_SPL_BUILD
 obj-y += lowlevel_init.o
 obj-y += init_page_table.o
 obj-y += spl.o
+obj-y += memconf.o
 obj-y += ddrphy_training.o
 
 else

arch/arm/mach-uniphier/include/mach/sg-regs.h

@@ -1,7 +1,7 @@
 /*
  * UniPhier SG (SoC Glue) block registers
  *
- * Copyright (C) 2011-2014 Panasonic Corporation
+ * Copyright (C) 2011-2015 Panasonic Corporation
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -108,7 +108,6 @@
 #else
 
 #include <linux/types.h>
-#include <linux/sizes.h>
 #include <asm/io.h>
 
 static inline void sg_set_pinsel(int n, int value)
@@ -117,122 +116,6 @@ static inline void sg_set_pinsel(int n, int value)
 	       | SG_PINSEL_MODE(n, value), SG_PINSEL_ADDR(n));
 }
 
-static inline u32 sg_memconf_val_ch0(unsigned long size, int num)
-{
-	int size_mb = size / num;
-	u32 ret;
-
-	switch (size_mb) {
-	case SZ_64M:
-		ret = SG_MEMCONF_CH0_SZ_64M;
-		break;
-	case SZ_128M:
-		ret = SG_MEMCONF_CH0_SZ_128M;
-		break;
-	case SZ_256M:
-		ret = SG_MEMCONF_CH0_SZ_256M;
-		break;
-	case SZ_512M:
-		ret = SG_MEMCONF_CH0_SZ_512M;
-		break;
-	case SZ_1G:
-		ret = SG_MEMCONF_CH0_SZ_1G;
-		break;
-	default:
-		BUG();
-		break;
-	}
-
-	switch (num) {
-	case 1:
-		ret |= SG_MEMCONF_CH0_NUM_1;
-		break;
-	case 2:
-		ret |= SG_MEMCONF_CH0_NUM_2;
-		break;
-	default:
-		BUG();
-		break;
-	}
-	return ret;
-}
-
-static inline u32 sg_memconf_val_ch1(unsigned long size, int num)
-{
-	int size_mb = size / num;
-	u32 ret;
-
-	switch (size_mb) {
-	case SZ_64M:
-		ret = SG_MEMCONF_CH1_SZ_64M;
-		break;
-	case SZ_128M:
-		ret = SG_MEMCONF_CH1_SZ_128M;
-		break;
-	case SZ_256M:
-		ret = SG_MEMCONF_CH1_SZ_256M;
-		break;
-	case SZ_512M:
-		ret = SG_MEMCONF_CH1_SZ_512M;
-		break;
-	case SZ_1G:
-		ret = SG_MEMCONF_CH1_SZ_1G;
-		break;
-	default:
-		BUG();
-		break;
-	}
-
-	switch (num) {
-	case 1:
-		ret |= SG_MEMCONF_CH1_NUM_1;
-		break;
-	case 2:
-		ret |= SG_MEMCONF_CH1_NUM_2;
-		break;
-	default:
-		BUG();
-		break;
-	}
-	return ret;
-}
-
-static inline u32 sg_memconf_val_ch2(unsigned long size, int num)
-{
-	int size_mb = size / num;
-	u32 ret;
-
-	switch (size_mb) {
-	case SZ_64M:
-		ret = SG_MEMCONF_CH2_SZ_64M;
-		break;
-	case SZ_128M:
-		ret = SG_MEMCONF_CH2_SZ_128M;
-		break;
-	case SZ_256M:
-		ret = SG_MEMCONF_CH2_SZ_256M;
-		break;
-	case SZ_512M:
-		ret = SG_MEMCONF_CH2_SZ_512M;
-		break;
-	default:
-		BUG();
-		break;
-	}
-
-	switch (num) {
-	case 1:
-		ret |= SG_MEMCONF_CH2_NUM_1;
-		break;
-	case 2:
-		ret |= SG_MEMCONF_CH2_NUM_2;
-		break;
-	default:
-		BUG();
-		break;
-	}
-	return ret;
-}
 #endif /* __ASSEMBLY__ */
 
 #endif /* ARCH_SG_REGS_H */

arch/arm/mach-uniphier/memconf.c

@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2011-2015 Panasonic Corporation
+ *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <linux/sizes.h>
+#include <asm/io.h>
+#include <mach/sg-regs.h>
+
+static inline u32 sg_memconf_val_ch0(unsigned long size, int num)
+{
+	int size_mb = size / num;
+	u32 ret;
+
+	switch (size_mb) {
+	case SZ_64M:
+		ret = SG_MEMCONF_CH0_SZ_64M;
+		break;
+	case SZ_128M:
+		ret = SG_MEMCONF_CH0_SZ_128M;
+		break;
+	case SZ_256M:
+		ret = SG_MEMCONF_CH0_SZ_256M;
+		break;
+	case SZ_512M:
+		ret = SG_MEMCONF_CH0_SZ_512M;
+		break;
+	case SZ_1G:
+		ret = SG_MEMCONF_CH0_SZ_1G;
+		break;
+	default:
+		BUG();
+		break;
+	}
+
+	switch (num) {
+	case 1:
+		ret |= SG_MEMCONF_CH0_NUM_1;
+		break;
+	case 2:
+		ret |= SG_MEMCONF_CH0_NUM_2;
+		break;
+	default:
+		BUG();
+		break;
+	}
+	return ret;
+}
+
+static inline u32 sg_memconf_val_ch1(unsigned long size, int num)
+{
+	int size_mb = size / num;
+	u32 ret;
+
+	switch (size_mb) {
+	case SZ_64M:
+		ret = SG_MEMCONF_CH1_SZ_64M;
+		break;
+	case SZ_128M:
+		ret = SG_MEMCONF_CH1_SZ_128M;
+		break;
+	case SZ_256M:
+		ret = SG_MEMCONF_CH1_SZ_256M;
+		break;
+	case SZ_512M:
+		ret = SG_MEMCONF_CH1_SZ_512M;
+		break;
+	case SZ_1G:
+		ret = SG_MEMCONF_CH1_SZ_1G;
+		break;
+	default:
+		BUG();
+		break;
+	}
+
+	switch (num) {
+	case 1:
+		ret |= SG_MEMCONF_CH1_NUM_1;
+		break;
+	case 2:
+		ret |= SG_MEMCONF_CH1_NUM_2;
+		break;
+	default:
+		BUG();
+		break;
+	}
+	return ret;
+}
+
+void memconf_init(void)
+{
+	u32 tmp;
+
+	/* Set DDR size */
+	tmp = sg_memconf_val_ch0(CONFIG_SDRAM0_SIZE, CONFIG_DDR_NUM_CH0);
+	tmp |= sg_memconf_val_ch1(CONFIG_SDRAM1_SIZE, CONFIG_DDR_NUM_CH1);
+#if CONFIG_SDRAM0_BASE + CONFIG_SDRAM0_SIZE < CONFIG_SDRAM1_BASE
+	tmp |= SG_MEMCONF_SPARSEMEM;
+#endif
+	writel(tmp, SG_MEMCONF);
+}

arch/arm/mach-uniphier/ph1-ld4/sg_init.c

@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2011-2014 Panasonic Corporation
+ * Copyright (C) 2011-2015 Panasonic Corporation
  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#include <common.h>
 #include <asm/io.h>
 #include <mach/sg-regs.h>
 
@@ -13,14 +12,6 @@ void sg_init(void)
 {
 	u32 tmp;
 
-	/* Set DDR size */
-	tmp = sg_memconf_val_ch0(CONFIG_SDRAM0_SIZE, CONFIG_DDR_NUM_CH0);
-	tmp |= sg_memconf_val_ch1(CONFIG_SDRAM1_SIZE, CONFIG_DDR_NUM_CH1);
-#if CONFIG_SDRAM0_BASE + CONFIG_SDRAM0_SIZE < CONFIG_SDRAM1_BASE
-	tmp |= SG_MEMCONF_SPARSEMEM;
-#endif
-	writel(tmp, SG_MEMCONF);
-
 	/* Input ports must be enabled before deasserting reset of cores */
 	tmp = readl(SG_IECTRL);
 	tmp |= 0x1;

arch/arm/mach-uniphier/ph1-pro4/sg_init.c

@@ -1,11 +1,10 @@
 /*
- * Copyright (C) 2011-2014 Panasonic Corporation
+ * Copyright (C) 2011-2015 Panasonic Corporation
  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#include <common.h>
 #include <asm/io.h>
 #include <mach/sg-regs.h>
 
@@ -13,14 +12,6 @@ void sg_init(void)
 {
 	u32 tmp;
 
-	/* Set DDR size */
-	tmp = sg_memconf_val_ch0(CONFIG_SDRAM0_SIZE, CONFIG_DDR_NUM_CH0);
-	tmp |= sg_memconf_val_ch1(CONFIG_SDRAM1_SIZE, CONFIG_DDR_NUM_CH1);
-#if CONFIG_SDRAM0_BASE + CONFIG_SDRAM0_SIZE < CONFIG_SDRAM1_BASE
-	tmp |= SG_MEMCONF_SPARSEMEM;
-#endif
-	writel(tmp, SG_MEMCONF);
-
 	/* Input ports must be enabled before deasserting reset of cores */
 	tmp = readl(SG_IECTRL);
 	tmp |= 1 << 6;

arch/arm/mach-uniphier/spl.c

@@ -18,6 +18,7 @@ void sbc_init(void);
 void sg_init(void);
 void pll_init(void);
 void pin_init(void);
+void memconf_init(void);
 void early_clkrst_init(void);
 int umc_init(void);
 void enable_dpll_ssc(void);
@@ -38,10 +39,14 @@ void spl_board_init(void)
 
 	led_write(L, 0, , );
 
-	early_clkrst_init();
+	memconf_init();
 
 	led_write(L, 1, , );
 
+	early_clkrst_init();
+
+	led_write(L, 2, , );
+
 	{
 		int res;
 
@@ -51,9 +56,9 @@ void spl_board_init(void)
 				;
 		}
 	}
-	led_write(L, 2, , );
+	led_write(L, 3, , );
 
 	enable_dpll_ssc();
 
-	led_write(L, 3, , );
+	led_write(L, 4, , );
 }