From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sun, 5 Aug 2018 11:09:23 +0000 (+0100)
Subject: add emmc doc summary
X-Git-Url: https://git.libre-soc.org/?p=pinmux.git;a=commitdiff_plain;h=45792e2c6feecdbbfa090932788db70a4ecce53c

add emmc doc summary
---

diff --git a/docs/AddingPeripherals.mdwn b/docs/AddingPeripherals.mdwn
index ab019fa..f6f09ac 100644
--- a/docs/AddingPeripherals.mdwn
+++ b/docs/AddingPeripherals.mdwn
@@ -1178,6 +1178,17 @@ peripheral).  This would be achieved with the following commands:
     $ cd build/i_class/bsv_src
     $ make -f Makefile.peripherals gen_verilog
 
+## Summary
+
+This particular example has been something of a "cheat".  The similarity
+between SD/MMC and eMMC is so high - the only differences being the name
+of the interface and the number of data pins - that it was simple and
+straightforward to re-use significant amounts of code, cut/paste style,
+carrying out some re-factoring where needed.
+
+It does however have the advantage of being quite a short tutorial, that
+illustrates key aspects of adding slow bus peripherals.
+
 # Conclusion
 
 This is not a small project, by any means.  However the payoff in saved