ARM: at91: make sdram/ddr register base soc independent

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
diff --git a/arch/arm/mach-at91/at91sam9261.c b/arch/arm/mach-at91/at91sam9261.c
index 50971e6..684c5df 100644
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -283,6 +283,7 @@
 {
 	at91_ioremap_shdwc(AT91SAM9261_BASE_SHDWC);
 	at91_ioremap_rstc(AT91SAM9261_BASE_RSTC);
+	at91_ioremap_ramc(0, AT91SAM9261_BASE_SDRAMC, 512);
 	at91sam926x_ioremap_pit(AT91SAM9261_BASE_PIT);
 	at91sam9_ioremap_smc(0, AT91SAM9261_BASE_SMC);
 	at91_ioremap_matrix(AT91SAM9261_BASE_MATRIX);