kirkwood: make MPP arrays static const

This saves stack and code memory for local copy, and
consumes initialized data memory. For 22 of the 29
kirkwood-based boards, this results in a global saving
of about 30 bytes. For 7 of them, it results in an
increase of 6 to 14 bytes.

Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>

arch/arm/cpu/arm926ejs/kirkwood/mpp.c

@@ -31,7 +31,7 @@ static u32 kirkwood_variant(void)
 #define MPP_CTRL(i)	(KW_MPP_BASE + (i* 4))
 #define MPP_NR_REGS	(1 + MPP_MAX/8)
 
-void kirkwood_mpp_conf(u32 *mpp_list, u32 *mpp_save)
+void kirkwood_mpp_conf(const u32 *mpp_list, u32 *mpp_save)
 {
 	u32 mpp_ctrl[MPP_NR_REGS];
 	unsigned int variant_mask;

arch/arm/include/asm/arch-kirkwood/mpp.h

@@ -312,6 +312,6 @@
 
 #define MPP_MAX			49
 
-void kirkwood_mpp_conf(u32 *mpp_list, u32 *mpp_save);
+void kirkwood_mpp_conf(const u32 *mpp_list, u32 *mpp_save);
 
 #endif

board/LaCie/net2big_v2/net2big_v2.c

@@ -39,7 +39,7 @@ int board_early_init_f(void)
 			NET2BIG_V2_OE_LOW, NET2BIG_V2_OE_HIGH);
 
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_SPI_SCn,
 		MPP1_SPI_MOSI,
 		MPP2_SPI_SCK,

board/LaCie/netspace_v2/netspace_v2.c

@@ -39,7 +39,7 @@ int board_early_init_f(void)
 			NETSPACE_V2_OE_LOW, NETSPACE_V2_OE_HIGH);
 
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_SPI_SCn,
 		MPP1_SPI_MOSI,
 		MPP2_SPI_SCK,

board/Marvell/dreamplug/dreamplug.c

@@ -46,7 +46,7 @@ int board_early_init_f(void)
 			DREAMPLUG_OE_LOW, DREAMPLUG_OE_HIGH);
 
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_SPI_SCn,		/* SPI Flash */
 		MPP1_SPI_MOSI,
 		MPP2_SPI_SCK,

board/Marvell/guruplug/guruplug.c

@@ -43,7 +43,7 @@ int board_early_init_f(void)
 			GURUPLUG_OE_LOW, GURUPLUG_OE_HIGH);
 
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_NF_IO2,
 		MPP1_NF_IO3,
 		MPP2_NF_IO4,

board/Marvell/mv88f6281gtw_ge/mv88f6281gtw_ge.c

@@ -45,7 +45,7 @@ int board_early_init_f(void)
 			MV88F6281GTW_GE_OE_LOW, MV88F6281GTW_GE_OE_HIGH);
 
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_SPI_SCn,
 		MPP1_SPI_MOSI,
 		MPP2_SPI_SCK,

board/Marvell/openrd/openrd.c

@@ -48,7 +48,7 @@ int board_early_init_f(void)
 			OPENRD_OE_LOW, OPENRD_OE_HIGH);
 
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_NF_IO2,
 		MPP1_NF_IO3,
 		MPP2_NF_IO4,

board/Marvell/rd6281a/rd6281a.c

@@ -44,7 +44,7 @@ int board_early_init_f(void)
 			RD6281A_OE_LOW, RD6281A_OE_HIGH);
 
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_NF_IO2,
 		MPP1_NF_IO3,
 		MPP2_NF_IO4,

board/Marvell/sheevaplug/sheevaplug.c

@@ -43,7 +43,7 @@ int board_early_init_f(void)
 			SHEEVAPLUG_OE_LOW, SHEEVAPLUG_OE_HIGH);
 
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_NF_IO2,
 		MPP1_NF_IO3,
 		MPP2_NF_IO4,

board/Seagate/dockstar/dockstar.c

@@ -47,7 +47,7 @@ int board_early_init_f(void)
 			DOCKSTAR_OE_LOW, DOCKSTAR_OE_HIGH);
 
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_NF_IO2,
 		MPP1_NF_IO3,
 		MPP2_NF_IO4,

board/buffalo/lsxl/lsxl.c

@@ -76,7 +76,7 @@ int board_early_init_f(void)
 	 * Multi-Purpose Pins Functionality configuration
 	 * These strappings are taken from the original vendor uboot port.
 	 */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_SPI_SCn,
 		MPP1_SPI_MOSI,
 		MPP2_SPI_SCK,

board/cloudengines/pogo_e02/pogo_e02.c

@@ -45,7 +45,7 @@ int board_early_init_f(void)
 			POGO_E02_OE_LOW, POGO_E02_OE_HIGH);
 
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_NF_IO2,
 		MPP1_NF_IO3,
 		MPP2_NF_IO4,

board/d-link/dns325/dns325.c

@@ -44,7 +44,7 @@ int board_early_init_f(void)
 			DNS325_OE_LOW, DNS325_OE_HIGH);
 
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_NF_IO2,
 		MPP1_NF_IO3,
 		MPP2_NF_IO4,

board/iomega/iconnect/iconnect.c

@@ -41,7 +41,7 @@ int board_early_init_f(void)
 			ICONNECT_OE_LOW, ICONNECT_OE_HIGH);
 
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_NF_IO2,
 		MPP1_NF_IO3,
 		MPP2_NF_IO4,

board/karo/tk71/tk71.c

@@ -47,7 +47,7 @@ int board_early_init_f(void)
 			TK71_OE_LOW, TK71_OE_HIGH);
 
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_NF_IO2,
 		MPP1_NF_IO3,
 		MPP2_NF_IO4,

board/keymile/km_arm/km_arm.c

@@ -54,7 +54,7 @@ DECLARE_GLOBAL_DATA_PTR;
 #define MASK_RBI_DEFECT_16	0x01
 
 /* Multi-Purpose Pins Functionality configuration */
-u32 kwmpp_config[] = {
+static const u32 kwmpp_config[] = {
 	MPP0_NF_IO2,
 	MPP1_NF_IO3,
 	MPP2_NF_IO4,

board/raidsonic/ib62x0/ib62x0.c

@@ -45,7 +45,7 @@ int board_early_init_f(void)
 	/* Set SATA activity LEDs to default off */
 	writel(MVSATAHC_LED_POLARITY_CTRL, MVSATAHC_LED_CONF_REG);
 	/* Multi-Purpose Pins Functionality configuration */
-	u32 kwmpp_config[] = {
+	static const u32 kwmpp_config[] = {
 		MPP0_NF_IO2,
 		MPP1_NF_IO3,
 		MPP2_NF_IO4,

drivers/spi/kirkwood_spi.c

@@ -41,7 +41,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
 {
 	struct spi_slave *slave;
 	u32 data;
-	u32 kwspi_mpp_config[] = { 0, 0 };
+	static const u32 kwspi_mpp_config[2][2] = {
+		{ MPP0_SPI_SCn, 0 }, /* if cs == 0 */
+		{ MPP7_SPI_SCn, 0 } /* if cs != 0 */
+	};
 
 	if (!spi_cs_is_valid(bus, cs))
 		return NULL;
@@ -68,12 +71,7 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
 	writel(KWSPI_IRQMASK, &spireg->irq_mask);
 
 	/* program mpp registers to select  SPI_CSn */
-	if (cs) {
-		kwspi_mpp_config[0] = MPP7_SPI_SCn;
-	} else {
-		kwspi_mpp_config[0] = MPP0_SPI_SCn;
-	}
-	kirkwood_mpp_conf(kwspi_mpp_config, cs_spi_mpp_back);
+	kirkwood_mpp_conf(kwspi_mpp_config[cs ? 1 : 0], cs_spi_mpp_back);
 
 	return slave;
 }