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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/freescale/p2020come/ddr.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/p2020come/ddr.c')
-rw-r--r--qemu/roms/u-boot/board/freescale/p2020come/ddr.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/freescale/p2020come/ddr.c b/qemu/roms/u-boot/board/freescale/p2020come/ddr.c
new file mode 100644
index 000000000..b642e1255
--- /dev/null
+++ b/qemu/roms/u-boot/board/freescale/p2020come/ddr.c
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2009, 2011 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#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)
+{
+ 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;
+}