summaryrefslogtreecommitdiff
path: root/board/freescale/p2020come/ddr.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/freescale/p2020come/ddr.c')
-rw-r--r--board/freescale/p2020come/ddr.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/board/freescale/p2020come/ddr.c b/board/freescale/p2020come/ddr.c
new file mode 100644
index 0000000000..85f84c6b1e
--- /dev/null
+++ b/board/freescale/p2020come/ddr.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2009, 2011 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+
+#include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_ddr_dimm_params.h>
+
+void fsl_ddr_board_options(memctl_options_t *popts,
+ dimm_params_t *pdimm,
+ unsigned int ctrl_num)
+{
+ if (ctrl_num) {
+ printf("Wrong parameter for controller number %d", ctrl_num);
+ return;
+ }
+
+ if (!pdimm->n_ranks)
+ return;
+
+ /*
+ * Set DDR_SDRAM_CLK_CNTL = 0x02800000
+ *
+ * Clock is launched 5/8 applied cycle after address/command
+ */
+ popts->clk_adjust = 5;
+}