From 64423aa3b185967a80702659b711c8d50a71150a Mon Sep 17 00:00:00 2001
From: Robin Mueller <robin.mueller.m@gmail.com>
Date: Thu, 12 Sep 2024 18:58:33 +0200
Subject: [PATCH] lets see if tables work

---
 bootloader/README.md | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 bootloader/README.md

diff --git a/bootloader/README.md b/bootloader/README.md
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+VA416xx Bootloader Application
+=======
+
+This is the Rust version of the bootloader supplied by Vorago.
+
+The bootloader uses the following memory map:
+
+| <0x0> | Bootloader start | <code up to 0x3FFE bytes> |
+| <0x3FFE> | Bootloader CRC | <word> |
+| <0x4000> | App image A start | <code up to 0x1DFFC (~120K) bytes> |
+| <0x21FFC> | App image A CRC check length | <word> |
+| <0x21FFE> | App image A CRC check value | <word> | 
+| <0x22000> | App image B start | <code up to 0x1DFFC (~120K) bytes> |
+| <0x3FFFC> | App image B CRC check length | <word> |
+| <0x3FFFE> | App image B CRC check value | <word> |
+| <0x40000> | End of NVM | <end>  |
+
+As opposed to the Vorago example code, this bootloader assumes a 40 MHz external clock
+but does not scale that clock up.