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

2026-09-06 03:52:57 +08:00
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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2015-2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ */
+
+#include <common.h>
+#include <linux/libfdt.h>
+#include <linux/kernel.h>
+
+#include "init.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_ARCH_UNIPHIER_LD4)
+static const struct uniphier_board_data uniphier_ld4_data = {
+	.dram_freq = 1600,
+	.dram_ch[0] = {
+		.size = 0x10000000,
+		.width = 16,
+	},
+	.dram_ch[1] = {
+		.size = 0x10000000,
+		.width = 16,
+	},
+	.flags = UNIPHIER_BD_DDR3PLUS,
+};
+#endif
+
+#if defined(CONFIG_ARCH_UNIPHIER_PRO4)
+/* 1GB RAM board */
+static const struct uniphier_board_data uniphier_pro4_data = {
+	.dram_freq = 1600,
+	.dram_ch[0] = {
+		.size = 0x20000000,
+		.width = 32,
+	},
+	.dram_ch[1] = {
+		.size = 0x20000000,
+		.width = 32,
+	},
+};
+
+/* 2GB RAM board */
+static const struct uniphier_board_data uniphier_pro4_2g_data = {
+	.dram_freq = 1600,
+	.dram_ch[0] = {
+		.size = 0x40000000,
+		.width = 32,
+	},
+	.dram_ch[1] = {
+		.size = 0x40000000,
+		.width = 32,
+	},
+};
+#endif
+
+#if defined(CONFIG_ARCH_UNIPHIER_SLD8)
+static const struct uniphier_board_data uniphier_sld8_data = {
+	.dram_freq = 1333,
+	.dram_ch[0] = {
+		.size = 0x10000000,
+		.width = 16,
+	},
+	.dram_ch[1] = {
+		.size = 0x10000000,
+		.width = 16,
+	},
+	.flags = UNIPHIER_BD_DDR3PLUS,
+};
+#endif
+
+#if defined(CONFIG_ARCH_UNIPHIER_PRO5)
+static const struct uniphier_board_data uniphier_pro5_data = {
+	.dram_freq = 1866,
+	.dram_ch[0] = {
+		.size = 0x20000000,
+		.width = 32,
+	},
+	.dram_ch[1] = {
+		.size = 0x20000000,
+		.width = 32,
+	},
+};
+#endif
+
+#if defined(CONFIG_ARCH_UNIPHIER_PXS2)
+static const struct uniphier_board_data uniphier_pxs2_data = {
+	.dram_freq = 2133,
+	.dram_ch[0] = {
+		.size = 0x40000000,
+		.width = 32,
+	},
+	.dram_ch[1] = {
+		.size = 0x20000000,
+		.width = 32,
+	},
+	.dram_ch[2] = {
+		.size = 0x20000000,
+		.width = 16,
+	},
+};
+#endif
+
+#if defined(CONFIG_ARCH_UNIPHIER_LD6B)
+static const struct uniphier_board_data uniphier_ld6b_data = {
+	.dram_freq = 1866,
+	.dram_ch[0] = {
+		.size = 0x40000000,
+		.width = 32,
+	},
+	.dram_ch[1] = {
+		.size = 0x20000000,
+		.width = 32,
+	},
+	.dram_ch[2] = {
+		.size = 0x20000000,
+		.width = 16,
+	},
+};
+#endif
+
+struct uniphier_board_id {
+	const char *compatible;
+	const struct uniphier_board_data *param;
+};
+
+static const struct uniphier_board_id uniphier_boards[] = {
+#if defined(CONFIG_ARCH_UNIPHIER_LD4)
+	{ "socionext,uniphier-ld4", &uniphier_ld4_data, },
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_PRO4)
+	{ "socionext,uniphier-pro4-ace", &uniphier_pro4_2g_data, },
+	{ "socionext,uniphier-pro4-sanji", &uniphier_pro4_2g_data, },
+	{ "socionext,uniphier-pro4", &uniphier_pro4_data, },
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_SLD8)
+	{ "socionext,uniphier-sld8", &uniphier_sld8_data, },
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_PRO5)
+	{ "socionext,uniphier-pro5", &uniphier_pro5_data, },
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_PXS2)
+	{ "socionext,uniphier-pxs2", &uniphier_pxs2_data, },
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_LD6B)
+	{ "socionext,uniphier-ld6b", &uniphier_ld6b_data, },
+#endif
+};
+
+const struct uniphier_board_data *uniphier_get_board_param(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(uniphier_boards); i++) {
+		if (!fdt_node_check_compatible(gd->fdt_blob, 0,
+					       uniphier_boards[i].compatible))
+			return uniphier_boards[i].param;
+	}
+
+	return NULL;
+}