Changes between Version 27 and Version 28 of MMC

Timestamp:

02/27/2023 08:10:45 PM (14 months ago)

Author:

Tim Harvey

Comment:

removed Laguna info (EOL)

MMC

@@ +1 @@
+7
+
+
+
+
 [[PageOutline]]
 
@@ -13 +18 @@
 || ||
 || Ventana  || GW52xx/GW53xx/GW54xx/GW5530 || 208MHz || - || SDHC/SDXC DS/HS/UHS-I^^^1^^^ bootable ||
-|| ||
-|| Laguna   || GW2388  || 50MHz || - || SD/SDHC DS/HS (not bootable) ||
  1. Earlier Ventana GW52xx/GW53xx/GW54xx board revisions did not support UHS-I - see [#ventana ventana below]
  2. Contact sales@gateworks.com for other eMMC size options
@@ -317 +320 @@
 [=#microsd]
 == microSD ==
-Gateworks supports microSD (aka uSD) cards on several boards in the Newport, Ventana, and Laguna product families. A microSD card operates at 3.3V (with 3.3V or 1.8V I/O if the board allows it) and uses 4bit I/O. On most Ventana and Newport boards a dual function microSD/SIM connector is used. See the following link for how to load SIM and micoSD cards into this connector. http://trac.gateworks.com/wiki/ventana/simsd
+Gateworks supports microSD (aka uSD) cards on several boards in the Newport, and Ventana product families. A microSD card operates at 3.3V (with 3.3V or 1.8V I/O if the board allows it) and uses 4bit I/O. On most Ventana and Newport boards a dual function microSD/SIM connector is used. See the following link for how to load SIM and micoSD cards into this connector. http://trac.gateworks.com/wiki/ventana/simsd
 
 === MicroSD / uSD Size Limit
@@ -470 +473 @@
  * Gateworks downstream vendor kernel v3.14.x
 
-
-[=#laguna]
-== Laguna ==
-The Cavium cns3xxx SoC used on Laguna has an SD host controller that supports:
- * 50MHz clock
- * SD 2.0
- * MMC 4.2
-
-A 4-bit SDR microSD at 50MHz results in a max bus throughput of 25MB/sec (actual results are less as they depend on CPU performance)