Initial import of abandoned HQEMU version 2.5.2HEADmaster

1 files changed, 78 insertions, 0 deletions

diff --git a/src/roms/u-boot/board/freescale/t4rdb/ddr.h b/src/roms/u-boot/board/freescale/t4rdb/ddr.h
new file mode 100644
index 0000000..7b85476
--- /dev/null
+++ b/src/roms/u-boot/board/freescale/t4rdb/ddr.h
@@ -0,0 +1,78 @@
+/*
+ * 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;
+};
+
+/*
+ * 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, 4, 4,     8, 0x0809090b, 0x0c0c0d0a},
+	{2,  1350, 0, 5,     7, 0x0709090b, 0x0c0c0d09},
+	{2,  1666, 4, 4,     8, 0x080a0a0d, 0x0d10100b},
+	{2,  1666, 0, 5,     7, 0x080a0a0c, 0x0d0d0e0a},
+	{2,  1900, 0, 4,     8, 0x090a0b0e, 0x0f11120c},
+	{2,  2140, 0, 4,     8, 0x090a0b0e, 0x0f11120c},
+	{1,  1350, 0, 5,     8, 0x0809090b, 0x0c0c0d0a},
+	{1,  1700, 0, 5,     8, 0x080a0a0c, 0x0c0d0e0a},
+	{1,  1900, 0, 4,     8, 0x080a0a0c, 0x0e0e0f0a},
+	{1,  2140, 0, 4,     8, 0x090a0b0c, 0x0e0f100b},
+	{}
+};
+
+static const struct board_specific_parameters rdimm0[] = {
+	/*
+	 * memory controller 0
+	 *   num|  hi| rank|  clk| wrlvl |   wrlvl   |  wrlvl
+	 * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3
+	 */
+	{4,  1350, 0, 5,     9, 0x08070605, 0x06070806},
+	{4,  1666, 0, 5,    11, 0x0a080706, 0x07090906},
+	{4,  2140, 0, 5,    12, 0x0b090807, 0x080a0b07},
+	{2,  1350, 0, 5,     9, 0x08070605, 0x06070806},
+	{2,  1666, 0, 5,    11, 0x0a090806, 0x08090a06},
+	{2,  2140, 0, 5,    12, 0x0b090807, 0x080a0b07},
+	{1,  1350, 0, 5,     9, 0x08070605, 0x06070806},
+	{1,  1666, 0, 5,    11, 0x0a090806, 0x08090a06},
+	{1,  2140, 0, 4,    12, 0x0b090807, 0x080a0b07},
+	{}
+};
+
+/*
+ * The three slots have slightly different timing. The center values are good
+ * for all slots. We use identical speed tables for them. In future use, if
+ * DIMMs require separated tables, make more entries as needed.
+ */
+static const struct board_specific_parameters *udimms[] = {
+	udimm0,
+};
+
+/*
+ * The three slots have slightly different timing. See comments above.
+ */
+static const struct board_specific_parameters *rdimms[] = {
+	rdimm0,
+};
+
+
+#endif