From 23d25904e6c164f09d15aebfcd1852d9d0754c5b Mon Sep 17 00:00:00 2001
From: Gustavo de Souza dos Reis <gustavo.reis@lnls.br>
Date: Thu, 3 Aug 2023 10:54:04 -0300
Subject: [PATCH] Add instructions to update firmware via serial port using
 nxpprog

---
 README.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/README.md b/README.md
index b1544c88e..6c751d14a 100644
--- a/README.md
+++ b/README.md
@@ -103,6 +103,18 @@ To upgrade the bootloader, use
 
     ipmitool -I lan -H host_name_mch -A none -T 0x82 -m 0x20 -t (112 + num_slot*2 in hexadecimal) hpm upgrade newboot.hpm activate
 
+### nxpprog
+> :warning: **Disclaimer:** Only supported in AFCv4.0.2
+
+In AFCv4, it's possible to program the firmware and bootloader via serial port using [nxpprog](https://github.com/lnls-dig/nxpprog). In order to use it, install nxpprog and then execute the following commands:
+To upgrade the application, use
+
+    ./nxpprog.py  <serial_device> <path_to_openMMC.bin> --addr 0x20000 --control
+
+To upgrade the bootloader, use
+
+    ./nxpprog.py  <serial_device> <path_to_newboot.bin> --control
+
 ## Debugging
 It is possible to debug the MMC firmware using OpenOCD and GDB. First, connect OpenOCD with the debug probe using the `out/openocd.cfg` file generated by cmake in the build directory: