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Diffstat (limited to 'board/freescale/ls1088a/ddr.h')
-rw-r--r--board/freescale/ls1088a/ddr.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/board/freescale/ls1088a/ddr.h b/board/freescale/ls1088a/ddr.h
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+/*
+ * Copyright 2017 NXP
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __LS1088A_DDR_H__
+#define __LS1088A_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;
+};
+
+/*
+ * 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
+ * ranks| mhz| GB |adjst| start | ctl2 | ctl3
+ */
+#if defined(CONFIG_TARGET_LS1088ARDB)
+
+ {2, 1666, 0, 8, 8, 0x090A0B0E, 0x0F10110D,},
+ {2, 1900, 0, 4, 7, 0x09090B0D, 0x0E10120B,},
+ {2, 2300, 0, 8, 9, 0x0A0C0E11, 0x1214160F,},
+ {}
+
+#endif
+};
+
+static const struct board_specific_parameters *udimms[] = {
+ udimm0,
+};
+#endif