1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/mach-meson/board-common.c b/arch/arm/mach-meson/board-common.c
new file mode 100644
index 00000000000..6340445053b
--- /dev/null
+++ b/arch/arm/mach-meson/board-common.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
+ */
+
+#include <common.h>
+#include <linux/libfdt.h>
+#include <linux/err.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sm.h>
+#include <asm/armv8/mmu.h>
+#include <asm/unaligned.h>
+#include <efi_loader.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int dram_init(void)
+{
+	const fdt64_t *val;
+	int offset;
+	int len;
+
+	offset = fdt_path_offset(gd->fdt_blob, "/memory");
+	if (offset < 0)
+		return -EINVAL;
+
+	val = fdt_getprop(gd->fdt_blob, offset, "reg", &len);
+	if (len < sizeof(*val) * 2)
+		return -EINVAL;
+
+	/* Use unaligned access since cache is still disabled */
+	gd->ram_size = get_unaligned_be64(&val[1]);
+
+	return 0;
+}
+
+void meson_board_add_reserved_memory(void *fdt, u64 start, u64 size)
+{
+	int ret;
+
+	ret = fdt_add_mem_rsv(fdt, start, size);
+	if (ret)
+		printf("Could not reserve zone @ 0x%llx\n", start);
+
+	if (IS_ENABLED(CONFIG_EFI_LOADER)) {
+		efi_add_memory_map(start,
+				   ALIGN(size, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT,
+				   EFI_RESERVED_MEMORY_TYPE, false);
+	}
+}
+
+void reset_cpu(ulong addr)
+{
+	psci_system_reset();
+}