Initial import of qemu-2.4.1HEADmaster

1 files changed, 34 insertions, 0 deletions

diff --git a/roms/u-boot/board/exmeritus/hww1u1a/ddr.c b/roms/u-boot/board/exmeritus/hww1u1a/ddr.c
new file mode 100644
index 00000000..e1f6865f
--- /dev/null
+++ b/roms/u-boot/board/exmeritus/hww1u1a/ddr.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2009-2010 eXMeritus, A Boeing Company
+ * Copyright 2008-2009 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * Version 2 as published by the Free Software Foundation.
+ */
+
+#include <common.h>
+
+#include <fsl_ddr_sdram.h>
+#include <fsl_ddr_dimm_params.h>
+
+void fsl_ddr_board_options(memctl_options_t *popts,
+				dimm_params_t *pdimm,
+				unsigned int ctrl_num)
+{
+	/*
+	 * We only support one DIMM, so according to the P2020 docs we should
+	 * set the options as follows:
+	 */
+	popts->cs_local_opts[0].odt_rd_cfg = 0;
+	popts->cs_local_opts[0].odt_wr_cfg = 4;
+	popts->cs_local_opts[1].odt_rd_cfg = 0;
+	popts->cs_local_opts[1].odt_wr_cfg = 0;
+	popts->half_strength_driver_enable = 0;
+
+	/* Manually configured for our static clock rate */
+	popts->clk_adjust = 4;
+	popts->cpo_override = 4;
+	popts->write_data_delay = 2;
+	popts->twot_en = 0;
+}