arm: at91/spl: mpddrc: add struct atmel_mpddrc_config

Add struct atmel_mpddrc_config to accommodate the mpddrc register
configurations, not using the mpddrc register map structure,
struct atmel_mpddrc, in order to increase readability and reduce
run-time memory use.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com>

arch/arm/mach-at91/include/mach/atmel_mpddrc.h

@@ -8,6 +8,16 @@
 #ifndef __ATMEL_MPDDRC_H__
 #define __ATMEL_MPDDRC_H__
 
+struct atmel_mpddrc_config {
+	u32 mr;
+	u32 rtr;
+	u32 cr;
+	u32 tpr0;
+	u32 tpr1;
+	u32 tpr2;
+	u32 md;
+};
+
 /*
  * Only define the needed register in mpddr
  * If other register needed, will add them later
@@ -26,7 +36,7 @@ struct atmel_mpddr {
 
 int ddr2_init(const unsigned int base,
 	      const unsigned int ram_address,
-	      const struct atmel_mpddr *mpddr);
+	      const struct atmel_mpddrc_config *mpddr_value);
 
 /* Bit field in mode register */
 #define ATMEL_MPDDRC_MR_MODE_NORMAL_CMD		0x0

arch/arm/mach-at91/mpddrc.c

@@ -30,7 +30,7 @@ static int ddr2_decodtype_is_seq(u32 cr)
 
 int ddr2_init(const unsigned int base,
 	      const unsigned int ram_address,
-	      const struct atmel_mpddr *mpddr_value)
+	      const struct atmel_mpddrc_config *mpddr_value)
 {
 	const struct atmel_mpddr *mpddr = (struct atmel_mpddr *)base;
 

board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c

@@ -97,7 +97,7 @@ void at91_spl_board_init(void)
 }
 
 #include <asm/arch/atmel_mpddrc.h>
-static void ddr2_conf(struct atmel_mpddr *ddr2)
+static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
 {
 	ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
 
@@ -131,7 +131,7 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
 void mem_init(void)
 {
 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-	struct atmel_mpddr ddr2;
+	struct atmel_mpddrc_config ddr2;
 
 	ddr2_conf(&ddr2);
 

board/atmel/at91sam9n12ek/at91sam9n12ek.c

@@ -274,7 +274,7 @@ void at91_spl_board_init(void)
 }
 
 #include <asm/arch/atmel_mpddrc.h>
-static void ddr2_conf(struct atmel_mpddr *ddr2)
+static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
 {
 	ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
 
@@ -310,7 +310,7 @@ void mem_init(void)
 {
 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
-	struct atmel_mpddr ddr2;
+	struct atmel_mpddrc_config ddr2;
 	unsigned long csa;
 
 	ddr2_conf(&ddr2);

board/atmel/at91sam9x5ek/at91sam9x5ek.c

@@ -310,7 +310,7 @@ void at91_spl_board_init(void)
 }
 
 #include <asm/arch/atmel_mpddrc.h>
-static void ddr2_conf(struct atmel_mpddr *ddr2)
+static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
 {
 	ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
 
@@ -347,7 +347,7 @@ void mem_init(void)
 {
 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
 	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
-	struct atmel_mpddr ddr2;
+	struct atmel_mpddrc_config ddr2;
 	unsigned long csa;
 
 	ddr2_conf(&ddr2);

board/atmel/sama5d3_xplained/sama5d3_xplained.c

@@ -143,7 +143,7 @@ void spl_board_init(void)
 #endif
 }
 
-static void ddr2_conf(struct atmel_mpddr *ddr2)
+static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
 {
 	ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
 
@@ -185,7 +185,7 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
 void mem_init(void)
 {
 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-	struct atmel_mpddr ddr2;
+	struct atmel_mpddrc_config ddr2;
 
 	ddr2_conf(&ddr2);
 

board/atmel/sama5d3xek/sama5d3xek.c

@@ -402,7 +402,7 @@ void spl_board_init(void)
 #endif
 }
 
-static void ddr2_conf(struct atmel_mpddr *ddr2)
+static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
 {
 	ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
 
@@ -444,7 +444,7 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
 void mem_init(void)
 {
 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-	struct atmel_mpddr ddr2;
+	struct atmel_mpddrc_config ddr2;
 
 	ddr2_conf(&ddr2);
 

board/atmel/sama5d4_xplained/sama5d4_xplained.c

@@ -346,7 +346,7 @@ void spl_board_init(void)
 #endif
 }
 
-static void ddr2_conf(struct atmel_mpddr *ddr2)
+static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
 {
 	ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
 
@@ -384,7 +384,7 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
 void mem_init(void)
 {
 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-	struct atmel_mpddr ddr2;
+	struct atmel_mpddrc_config ddr2;
 
 	ddr2_conf(&ddr2);
 

board/atmel/sama5d4ek/sama5d4ek.c

@@ -342,7 +342,7 @@ void spl_board_init(void)
 #endif
 }
 
-static void ddr2_conf(struct atmel_mpddr *ddr2)
+static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
 {
 	ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
 
@@ -380,7 +380,7 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
 void mem_init(void)
 {
 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-	struct atmel_mpddr ddr2;
+	struct atmel_mpddrc_config ddr2;
 
 	ddr2_conf(&ddr2);
 

board/mini-box/picosam9g45/picosam9g45.c

@@ -47,7 +47,7 @@ void at91_spl_board_init(void)
 }
 
 #include <asm/arch/atmel_mpddrc.h>
-static void ddr2_conf(struct atmel_mpddr *ddr2)
+static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
 {
 	ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
 
@@ -82,7 +82,7 @@ void mem_init(void)
 {
 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
 	struct at91_matrix *mat = (struct at91_matrix *)ATMEL_BASE_MATRIX;
-	struct atmel_mpddr ddr2;
+	struct atmel_mpddrc_config ddr2;
 	unsigned long csa;
 
 	ddr2_conf(&ddr2);

board/siemens/corvus/board.c

@@ -114,7 +114,7 @@ void spl_board_init(void)
 }
 
 #include <asm/arch/atmel_mpddrc.h>
-static void ddr2_conf(struct atmel_mpddr *ddr2)
+static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
 {
 	ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
 
@@ -148,7 +148,7 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
 void mem_init(void)
 {
 	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
-	struct atmel_mpddr ddr2;
+	struct atmel_mpddrc_config ddr2;
 
 	ddr2_conf(&ddr2);