devkit8000/spl: init GPMC for dm9000 in SPL

Linux crashes if the GPMC isn't configured for the dm9000.

Signed-off-by: Simon Schwarz <simonschwarzcor@gmail.com>
CC: Tom Rini <tom.rini@gmail.com>
CC: Stefano Babic <sbabic@denx.de>
CC: Wolfgang Denk <wd@denx.de>
diff --git a/board/timll/devkit8000/devkit8000.c b/board/timll/devkit8000/devkit8000.c
index 10f189e..dded697 100644
--- a/board/timll/devkit8000/devkit8000.c
+++ b/board/timll/devkit8000/devkit8000.c
@@ -73,6 +73,13 @@
 	return 0;
 }
 
+/* Configure GPMC registers for DM9000 */
+static void gpmc_dm9000_config(void)
+{
+	enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[6],
+		CONFIG_DM9000_BASE, GPMC_SIZE_16M);
+}
+
 /*
  * Routine: misc_init_r
  * Description: Configure board specific parts
@@ -144,6 +151,18 @@
 }
 #endif
 
+#ifdef CONFIG_SPL_OS_BOOT
+/*
+ * Do board specific preperation before SPL
+ * Linux boot
+ */
+void spl_board_prepare_for_linux(void)
+{
+	gpmc_dm9000_config();
+}
+
+#endif
+
 /*
  * Routine: get_board_mem_timings
  * Description: If we use SPL then there is no x-loader nor config header