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-rw-r--r--board/freescale/ls1021aqds/ddr.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/board/freescale/ls1021aqds/ddr.h b/board/freescale/ls1021aqds/ddr.h
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+++ b/board/freescale/ls1021aqds/ddr.h
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+/*
+ * Copyright 2014 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __DDR_H__
+#define __DDR_H__
+struct board_specific_parameters {
+ u32 n_ranks;
+ u32 datarate_mhz_high;
+ u32 rank_gb;
+ u32 clk_adjust;
+ u32 wrlvl_start;
+ u32 wrlvl_ctl_2;
+ u32 wrlvl_ctl_3;
+ u32 cpo_override;
+ u32 write_data_delay;
+ u32 force_2t;
+};
+
+/*
+ * These tables contain all valid speeds we want to override with board
+ * specific parameters. datarate_mhz_high values need to be in ascending order
+ * for each n_ranks group.
+ */
+static const struct board_specific_parameters udimm0[] = {
+ /*
+ * memory controller 0
+ * num| hi| rank| clk| wrlvl | wrlvl | wrlvl | cpo |wrdata|2T
+ * ranks| mhz| GB |adjst| start | ctl2 | ctl3 | |delay |
+ */
+ {1, 833, 1, 6, 8, 0x06060607, 0x08080807, 0x1f, 2, 0},
+ {1, 1350, 1, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
+ {1, 833, 2, 6, 8, 0x06060607, 0x08080807, 0x1f, 2, 0},
+ {1, 1350, 2, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
+ {2, 833, 4, 6, 8, 0x06060607, 0x08080807, 0x1f, 2, 0},
+ {2, 1350, 4, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
+ {2, 1350, 0, 6, 8, 0x0708080A, 0x0A0B0C09, 0x1f, 2, 0},
+ {2, 1666, 4, 4, 0xa, 0x0B08090C, 0x0B0E0D0A, 0x1f, 2, 0},
+ {2, 1666, 0, 4, 0xa, 0x0B08090C, 0x0B0E0D0A, 0x1f, 2, 0},
+ {}
+};
+
+static const struct board_specific_parameters *udimms[] = {
+ udimm0,
+};
+
+#endif
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