GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2017 NXP
+ */
+
+#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, 8,     9, 0x0A0B0C10, 0x1112140E,},
+	{2,  2300, 0, 8,     9, 0x0A0C0E11, 0x1214160F,},
+	{}
+#elif defined(CONFIG_TARGET_LS1088AQDS)
+	{2,  1666, 0, 8,     8, 0x0A0A0C0E, 0x0F10110C,},
+	{2,  1900, 0, 8,     9, 0x0A0B0C10, 0x1112140E,},
+	{2,  2300, 0, 4,     9, 0x0A0C0D11, 0x1214150E,},
+	{}
+
+#endif
+};
+
+static const struct board_specific_parameters *udimms[] = {
+	udimm0,
+};
+#endif