85xx: enable the auto self refresh for wake up ARP

The wake up ARP feature need use the memory to process
wake up packet, we enable auto self refresh to support it.

Signed-off-by: Dave Liu <daveliu@freescale.com>
Acked-by: Andy Fleming <afleming@freescale.com>

diff --git a/board/freescale/mpc8536ds/ddr.c b/board/freescale/mpc8536ds/ddr.c
index 3135d6dfe4bdd27c303c6d486c53a7794106b216..2bad787d60685dc1a8b27125632060e5267c26e0 100644 (file)
--- a/board/freescale/mpc8536ds/ddr.c
+++ b/board/freescale/mpc8536ds/ddr.c
@@ -79,4 +79,10 @@ void fsl_ddr_board_options(memctl_options_t *popts,
         *      - number of DIMMs installed
         */
        popts->half_strength_driver_enable = 0;
+
+       /*
+        * For wake up arp feature, we need enable auto self refresh
+        */
+       popts->auto_self_refresh_en = 1;
+       popts->sr_it = 0x6;
 }