arm: at91: at91sam9m10g45ek/corvus remove useless chip select 1 init

On these boards the DDR is connected to a dedicated controller and not
to chip select 1 of the EBI.

Signed-off-by: Erik van Luijk <evanluijk@interact.nl>
Tested-by: Erik van Luijk <evanluijk@interact.nl>

board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c

@@ -131,21 +131,13 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
 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;
-	unsigned long csa;
 
 	ddr2_conf(&ddr2);
 
 	/* enable DDR2 clock */
 	writel(0x4, &pmc->scer);
 
-	/* Chip select 1 is for DDR2/SDRAM */
-	csa = readl(&mat->ebicsa);
-	csa |= AT91_MATRIX_EBI_CS1A_SDRAMC;
-	csa &= ~AT91_MATRIX_EBI_VDDIOMSEL_3_3V;
-	writel(csa, &mat->ebicsa);
-
 	/* DDRAM2 Controller initialize */
 	ddr2_init(ATMEL_BASE_DDRSDRC0, ATMEL_BASE_CS6, &ddr2);
 }

board/siemens/corvus/board.c

@@ -144,21 +144,13 @@ static void ddr2_conf(struct atmel_mpddr *ddr2)
 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;
-	unsigned long csa;
 
 	ddr2_conf(&ddr2);
 
 	/* enable DDR2 clock */
 	writel(0x4, &pmc->scer);
 
-	/* Chip select 1 is for DDR2/SDRAM */
-	csa = readl(&mat->ebicsa);
-	csa |= AT91_MATRIX_EBI_CS1A_SDRAMC;
-	csa &= ~AT91_MATRIX_EBI_VDDIOMSEL_3_3V;
-	writel(csa, &mat->ebicsa);
-
 	/* DDRAM2 Controller initialize */
 	ddr2_init(ATMEL_BASE_DDRSDRC0, ATMEL_BASE_CS6, &ddr2);
 }