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>

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>
Erik van Luijk · Andreas Bießmann
1 parent 0c01c3e876
Showing 2 changed files with 0 additions and 16 deletions Side-by-side Diff
board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c
board/siemens/corvus/board.c
@@ -131,20 +131,12 @@
 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);
@@ -144,20 +144,12 @@
 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);
...	...	@@ -131,20 +131,12 @@
131	131	void mem_init(void)
132	132	{
133	133	struct at91_pmc pmc = (struct at91_pmc )ATMEL_BASE_PMC;
134		- struct at91_matrix mat = (struct at91_matrix )ATMEL_BASE_MATRIX;
135	134	struct atmel_mpddr ddr2;
136		- unsigned long csa;
137	135
138	136	ddr2_conf(&ddr2);
139	137
140	138	/* enable DDR2 clock */
141	139	writel(0x4, &pmc->scer);
142		-
143		- /* Chip select 1 is for DDR2/SDRAM */
144		- csa = readl(&mat->ebicsa);
145		- csa \|= AT91_MATRIX_EBI_CS1A_SDRAMC;
146		- csa &= ~AT91_MATRIX_EBI_VDDIOMSEL_3_3V;
147		- writel(csa, &mat->ebicsa);
148	140
149	141	/* DDRAM2 Controller initialize */
150	142	ddr2_init(ATMEL_BASE_DDRSDRC0, ATMEL_BASE_CS6, &ddr2);
...	...	@@ -144,20 +144,12 @@
144	144	void mem_init(void)
145	145	{
146	146	struct at91_pmc pmc = (struct at91_pmc )ATMEL_BASE_PMC;
147		- struct at91_matrix mat = (struct at91_matrix )ATMEL_BASE_MATRIX;
148	147	struct atmel_mpddr ddr2;
149		- unsigned long csa;
150	148
151	149	ddr2_conf(&ddr2);
152	150
153	151	/* enable DDR2 clock */
154	152	writel(0x4, &pmc->scer);
155		-
156		- /* Chip select 1 is for DDR2/SDRAM */
157		- csa = readl(&mat->ebicsa);
158		- csa \|= AT91_MATRIX_EBI_CS1A_SDRAMC;
159		- csa &= ~AT91_MATRIX_EBI_VDDIOMSEL_3_3V;
160		- writel(csa, &mat->ebicsa);
161	153
162	154	/* DDRAM2 Controller initialize */
163	155	ddr2_init(ATMEL_BASE_DDRSDRC0, ATMEL_BASE_CS6, &ddr2);