armv8/ls2085aqds: Add support of LS2085AQDS platform
The LS2085AQDS is an evaluatoin platform that supports the LS2085A
family SoCs. This patch add basic support of the platform.
Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@freescale.com>
diff --git a/board/freescale/ls2085aqds/ddr.h b/board/freescale/ls2085aqds/ddr.h
new file mode 100644
index 0000000..b76ea61
--- /dev/null
+++ b/board/freescale/ls2085aqds/ddr.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2015 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;
+};
+
+/*
+ * 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
+ */
+ {2, 1350, 0, 4, 6, 0x0708090B, 0x0C0D0E09,},
+ {2, 1666, 0, 4, 7, 0x08090A0C, 0x0D0F100B,},
+ {2, 1900, 0, 4, 7, 0x09090B0D, 0x0E10120B,},
+ {2, 2300, 0, 4, 8, 0x090A0C0F, 0x1012130C,},
+ {}
+};
+
+/* DP-DDR DIMM */
+static const struct board_specific_parameters udimm2[] = {
+ /*
+ * memory controller 2
+ * num| hi| rank| clk| wrlvl | wrlvl | wrlvl
+ * ranks| mhz| GB |adjst| start | ctl2 | ctl3
+ */
+ {2, 1350, 0, 4, 0xd, 0x0C0A0A00, 0x00000009,},
+ {2, 1666, 0, 4, 0xd, 0x0C0A0A00, 0x00000009,},
+ {2, 1900, 0, 4, 0xe, 0x0D0C0B00, 0x0000000A,},
+ {2, 2200, 0, 4, 0xe, 0x0D0C0B00, 0x0000000A,},
+ {}
+};
+
+static const struct board_specific_parameters rdimm0[] = {
+ /*
+ * memory controller 0
+ * num| hi| rank| clk| wrlvl | wrlvl | wrlvl
+ * ranks| mhz| GB |adjst| start | ctl2 | ctl3
+ */
+ {2, 1350, 0, 4, 6, 0x0708090B, 0x0C0D0E09,},
+ {2, 1666, 0, 4, 7, 0x08090A0C, 0x0D0F100B,},
+ {2, 1900, 0, 4, 7, 0x09090B0D, 0x0E10120B,},
+ {2, 2200, 0, 4, 8, 0x090A0C0F, 0x1012130C,},
+ {}
+};
+
+/* DP-DDR DIMM */
+static const struct board_specific_parameters rdimm2[] = {
+ /*
+ * memory controller 2
+ * num| hi| rank| clk| wrlvl | wrlvl | wrlvl
+ * ranks| mhz| GB |adjst| start | ctl2 | ctl3
+ */
+ {2, 1350, 0, 4, 6, 0x0708090B, 0x0C0D0E09,},
+ {2, 1666, 0, 4, 7, 0x0B0A090C, 0x0D0F100B,},
+ {2, 1900, 0, 4, 7, 0x09090B0D, 0x0E10120B,},
+ {2, 2200, 0, 4, 8, 0x090A0C0F, 0x1012130C,},
+ {}
+};
+
+static const struct board_specific_parameters *udimms[] = {
+ udimm0,
+ udimm0,
+ udimm2,
+};
+
+static const struct board_specific_parameters *rdimms[] = {
+ rdimm0,
+ rdimm0,
+ rdimm2,
+};
+
+
+#endif