From: Grazvydas Ignotas <notasas@gmail.com>
Date: Sun, 3 Jul 2016 00:08:26 +0000 (+0300)
Subject: add nandalign
X-Git-Tag: sz_175~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=71c557a40d25e99545278fa0a2e4801e09747f8a;p=pandora-u-boot.git

add nandalign

this adds a marker for x-load to stop reading NAND
---

diff --git a/tools/nandalign.c b/tools/nandalign.c
new file mode 100644
index 00000000000..343cca4481d
--- /dev/null
+++ b/tools/nandalign.c
@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <string.h>
+
+static unsigned char fillpage[0x20000];
+#define END_MARK 0x646e65ff	/* end */
+
+int main(int argc, char *argv[])
+{
+	FILE *f;
+	long size, finalsize, offset;
+	int mark = END_MARK;
+
+	memset(fillpage, 0xff, sizeof(fillpage));
+	memcpy(fillpage + sizeof(fillpage) - 8, &mark, 4);
+	memcpy(fillpage + sizeof(fillpage) - 4, &mark, 4);
+
+	if (argv[1] == NULL) {
+		fprintf(stderr, "usage:\n%s <uboot.bin>\n", argv[0]);
+		return 1;
+	}
+
+	f = fopen(argv[1], "r+");
+	if (f == NULL) {
+		perror("fopen");
+		return 1;
+	}
+
+	fseek(f, 0, SEEK_END);
+	size = ftell(f);
+	finalsize = (size + 8 + 0x20000 - 1) & ~(0x20000 - 1);
+
+	if (finalsize - size > 0x20000) {
+		offset = finalsize - size - 0x20000;
+		fwrite(fillpage, 1, offset, f);
+		size += offset;
+	}
+	offset = 0x20000 - (finalsize - size);
+	fwrite(fillpage + offset, 1, finalsize - size, f);
+	fclose(f);
+
+	return 0;
+}