mpm: Add EEPROM utilities for N310

Actually-written-by: Moritz Fischer <moritz.fischer@ettus.com>

1 files changed, 58 insertions, 0 deletions

diff --git a/mpm/tools/eeprom-set-flags.c b/mpm/tools/eeprom-set-flags.c
new file mode 100644
index 000000000..00a96677e
--- /dev/null
+++ b/mpm/tools/eeprom-set-flags.c
@@ -0,0 +1,58 @@
+//
+// Copyright 2017 Ettus Research, a National Instruments Company
+//
+// SPDX-License-Identifier: GPL-3.0
+//
+
+#include "eeprom.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+void usage(char *argv[])
+{
+	printf("-- Usage -- \n");
+	printf("%s flags\n", argv[0]);
+	printf("Example:\n");
+	printf("$ %s 0x1\n", argv[0]);
+
+}
+
+int main(int argc, char *argv[])
+{
+	struct usrp_sulfur_eeprom *ep;
+	u32 flags;
+
+	if (argc != 2) {
+		usage(argv);
+		return EXIT_FAILURE;
+	}
+
+	errno = 0;
+	flags = strtol(argv[1], NULL, 16);
+	if (errno) {
+		printf("Failed to convert flags, make sure you enter as hex\n");
+		return EXIT_FAILURE;
+	}
+
+	ep = usrp_sulfur_eeprom_from_file(NVMEM_PATH_MB);
+	if (!ep) {
+		printf("eeprom not found\n");
+		return EXIT_FAILURE;
+	}
+
+	usrp_sulfur_eeprom_print(ep);
+
+	/* Set flag */
+	ep->mcu_flags[0] = htonl(flags);
+	usrp_sulfur_eeprom_recrc(ep);
+
+	/* Write out to eeprom */
+	usrp_sulfur_eeprom_to_i2c(ep, "/dev/i2c-2");
+	free(ep);
+
+	printf("-- Reading back \n");
+	ep = usrp_sulfur_eeprom_from_file(NVMEM_PATH_MB);
+	usrp_sulfur_eeprom_print(ep);
+	free(ep);
+}