diff --git a/marvell/uboot/lib/display_options.c b/marvell/uboot/lib/display_options.c
new file mode 100644
index 0000000..4a972b0
--- /dev/null
+++ b/marvell/uboot/lib/display_options.c
@@ -0,0 +1,146 @@
+/*
+ * (C) Copyright 2000-2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <config.h>
+#include <common.h>
+#include <version.h>
+#include <linux/ctype.h>
+#include <asm/io.h>
+
+int display_options (void)
+{
+#if defined(BUILD_TAG)
+	printf ("\n\n%s, Build: %s\n\n", version_string, BUILD_TAG);
+#else
+	printf ("\n\n%s\n\n", version_string);
+#endif
+	return 0;
+}
+
+/*
+ * print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB",
+ * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string
+ * (like "\n")
+ */
+void print_size(unsigned long long size, const char *s)
+{
+	unsigned long m = 0, n;
+	unsigned long long f;
+	static const char names[] = {'E', 'P', 'T', 'G', 'M', 'K'};
+	unsigned long d = 10 * ARRAY_SIZE(names);
+	char c = 0;
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(names); i++, d -= 10) {
+		if (size >> d) {
+			c = names[i];
+			break;
+		}
+	}
+
+	if (!c) {
+		printf("%llu Bytes%s", size, s);
+		return;
+	}
+
+	n = size >> d;
+	f = size & ((1ULL << d) - 1);
+
+	/* If there's a remainder, deal with it */
+	if (f) {
+		m = (10ULL * f + (1ULL << (d - 1))) >> d;
+
+		if (m >= 10) {
+			m -= 10;
+			n += 1;
+		}
+	}
+
+	printf ("%lu", n);
+	if (m) {
+		printf (".%ld", m);
+	}
+	printf (" %ciB%s", c, s);
+}
+
+/*
+ * Print data buffer in hex and ascii form to the terminal.
+ *
+ * data reads are buffered so that each memory address is only read once.
+ * Useful when displaying the contents of volatile registers.
+ *
+ * parameters:
+ *    addr: Starting address to display at start of line
+ *    data: pointer to data buffer
+ *    width: data value width.  May be 1, 2, or 4.
+ *    count: number of values to display
+ *    linelen: Number of values to print per line; specify 0 for default length
+ */
+#define MAX_LINE_LENGTH_BYTES (64)
+#define DEFAULT_LINE_LENGTH_BYTES (16)
+int print_buffer(ulong addr, const void *data, uint width, uint count,
+		 uint linelen)
+{
+	/* linebuf as a union causes proper alignment */
+	union linebuf {
+		uint32_t ui[MAX_LINE_LENGTH_BYTES/sizeof(uint32_t) + 1];
+		uint16_t us[MAX_LINE_LENGTH_BYTES/sizeof(uint16_t) + 1];
+		uint8_t  uc[MAX_LINE_LENGTH_BYTES/sizeof(uint8_t) + 1];
+	} lb;
+	int i;
+
+	if (linelen*width > MAX_LINE_LENGTH_BYTES)
+		linelen = MAX_LINE_LENGTH_BYTES / width;
+	if (linelen < 1)
+		linelen = DEFAULT_LINE_LENGTH_BYTES / width;
+
+	while (count) {
+		uint thislinelen = linelen;
+		printf("%08lx:", addr);
+
+		/* check for overflow condition */
+		if (count < thislinelen)
+			thislinelen = count;
+
+		/* Copy from memory into linebuf and print hex values */
+		for (i = 0; i < thislinelen; i++) {
+			uint32_t x;
+			if (width == 4)
+				x = lb.ui[i] = *(volatile uint32_t *)data;
+			else if (width == 2)
+				x = lb.us[i] = *(volatile uint16_t *)data;
+			else
+				x = lb.uc[i] = *(volatile uint8_t *)data;
+			printf(" %0*x", width * 2, x);
+			data += width;
+		}
+
+		while (thislinelen < linelen) {
+			/* fill line with whitespace for nice ASCII print */
+			for (i=0; i<width*2+1; i++)
+				puts(" ");
+			linelen--;
+		}
+
+		/* Print data in ASCII characters */
+		for (i = 0; i < thislinelen * width; i++) {
+			if (!isprint(lb.uc[i]) || lb.uc[i] >= 0x80)
+				lb.uc[i] = '.';
+		}
+		lb.uc[i] = '\0';
+		printf("    %s\n", lb.uc);
+
+		/* update references */
+		addr += thislinelen * width;
+		count -= thislinelen;
+
+		if (ctrlc())
+			return -1;
+	}
+
+	return 0;
+}