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-rw-r--r--arch/arm/mach-uniphier/boards.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/boards.c b/arch/arm/mach-uniphier/boards.c
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index 0000000000..6a5ea2e585
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+++ b/arch/arm/mach-uniphier/boards.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <libfdt.h>
+#include <linux/kernel.h>
+#include <mach/init.h>
+
+#if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD3)
+static const struct uniphier_board_data ph1_sld3_data = {
+ .dram_ch0_base = 0x80000000,
+ .dram_ch0_size = 0x20000000,
+ .dram_ch0_width = 32,
+ .dram_ch1_base = 0xc0000000,
+ .dram_ch1_size = 0x20000000,
+ .dram_ch1_width = 16,
+ .dram_ch2_base = 0xc0000000,
+ .dram_ch2_size = 0x10000000,
+ .dram_ch2_width = 16,
+ .dram_freq = 1600,
+};
+#endif
+
+#if defined(CONFIG_ARCH_UNIPHIER_PH1_LD4)
+static const struct uniphier_board_data ph1_ld4_data = {
+ .dram_ch0_base = 0x80000000,
+ .dram_ch0_size = 0x10000000,
+ .dram_ch0_width = 16,
+ .dram_ch1_base = 0x90000000,
+ .dram_ch1_size = 0x10000000,
+ .dram_ch1_width = 16,
+ .dram_freq = 1600,
+};
+#endif
+
+#if defined(CONFIG_ARCH_UNIPHIER_PH1_PRO4)
+static const struct uniphier_board_data ph1_pro4_data = {
+ .dram_ch0_base = 0x80000000,
+ .dram_ch0_size = 0x20000000,
+ .dram_ch0_width = 32,
+ .dram_ch1_base = 0xa0000000,
+ .dram_ch1_size = 0x20000000,
+ .dram_ch1_width = 32,
+ .dram_freq = 1600,
+};
+#endif
+
+#if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD8)
+static const struct uniphier_board_data ph1_sld8_data = {
+ .dram_ch0_base = 0x80000000,
+ .dram_ch0_size = 0x10000000,
+ .dram_ch0_width = 16,
+ .dram_ch1_base = 0x90000000,
+ .dram_ch1_size = 0x10000000,
+ .dram_ch1_width = 16,
+ .dram_freq = 1333,
+};
+#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_PH1_SLD3)
+ { "socionext,ph1-sld3", &ph1_sld3_data, },
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_PH1_LD4)
+ { "socionext,ph1-ld4", &ph1_ld4_data, },
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_PH1_PRO4)
+ { "socionext,ph1-pro4", &ph1_pro4_data, },
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_PH1_SLD8)
+ { "socionext,ph1-sld8", &ph1_sld8_data, },
+#endif
+};
+
+const struct uniphier_board_data *uniphier_get_board_param(const void *fdt)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(uniphier_boards); i++) {
+ if (!fdt_node_check_compatible(fdt, 0,
+ uniphier_boards[i].compatible))
+ return uniphier_boards[i].param;
+ }
+
+ return NULL;
+}
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