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authorfishsoupisgood <github@madingley.org>2019-04-29 01:17:54 +0100
committerfishsoupisgood <github@madingley.org>2019-05-27 03:43:43 +0100
commit3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch)
tree65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/board/freescale/p2020come/ddr.c
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Initial import of qemu-2.4.1HEADmaster
Diffstat (limited to 'roms/u-boot/board/freescale/p2020come/ddr.c')
-rw-r--r--roms/u-boot/board/freescale/p2020come/ddr.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/p2020come/ddr.c b/roms/u-boot/board/freescale/p2020come/ddr.c
new file mode 100644
index 00000000..b642e125
--- /dev/null
+++ b/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;
+}