From 9446eacfb5c24b0799d5ab0ce787104347c1d64c Mon Sep 17 00:00:00 2001
From: lkcl <lkcl@web>
Date: Wed, 28 Feb 2018 19:50:55 +0000
Subject: [PATCH]

---
 shakti/m_class/sdmmc.mdwn | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/shakti/m_class/sdmmc.mdwn b/shakti/m_class/sdmmc.mdwn
index 0dc3ff5bc..14569caa5 100644
--- a/shakti/m_class/sdmmc.mdwn
+++ b/shakti/m_class/sdmmc.mdwn
@@ -5,3 +5,10 @@
 * (needs work) <https://opencores.org/project,sdcard_mass_storage_controller>
 * <https://github.com/enjoy-digital/litesdcard> - needs investigation
 * <https://github.com/lowRISC/lowrisc-chip/tree/ethernet-v0.5/src/main/verilog> - looks good.
+
+# Requirements
+
+* eMMC 8-bit mode
+* SD/MMC 1, 2 and 4-bit mode
+* SPI compatible
+* Must be libre BSD or MIT Licensed (no restrictions, no non-free "non-commercial" clauses).
-- 
2.30.2