Differences

This shows you the differences between two versions of the page.

--- docs:techref:hardware:soc:soc.mediatek [2021/06/26 04:52] – add MT7620A RGMII info mpratt
+++ docs:techref:hardware:soc:soc.mediatek [2023/12/24 03:24] (current) – [Ralink ramips] mt7620 and mt7628 driver lmita
@@ Line 28: / Line 28: @@
 | :::    | MT7620            | MT7620a | DDR2 | 2T2R | 24KEc | [[toh:views:toh_dev_arch-target-cpu?dataflt%5BCPU*~%5D=MT7620a|see ToH]]|
 | :::    | :::               | MT7620n | SDR/DDR1/2 | 2T2R | 24KEc | [[toh:views:toh_dev_arch-target-cpu?dataflt%5BCPU*~%5D=MT7620n|see ToH]]|
-| :::    | MT7621            | MT7621 | DDR2/3 | n/a | 1004Kc | [[toh:views:toh_dev_arch-target-cpu?dataflt%5BCPU*~%5D=MT7621|see ToH]]|
+| :::    | MT7621            | MT7621AT | DDR2/3 | n/a | 1004Kc | [[toh:views:toh_dev_arch-target-cpu?dataflt%5BCPU*~%5D=MT7621*A|see ToH]]|
+| :::    | :::               | MT7621ST | DDR2/3 | n/a | 1004Kc | [[toh:views:toh_dev_arch-target-cpu?dataflt%5BCPU*~%5D=MT7621S|see ToH]]|
 | :::    | [[https://www.mediatek.com/products/homeNetworking/mt7628k-n-a|MT7628]]            | MT7628 | DDR1/2 | 2T2R | 24kec  | [[toh:views:toh_dev_arch-target-cpu?dataflt%5BCPU*~%5D=MT7628|see ToH]]|
 | :::    | MT7688            | MT7688 | DDR1/2 | 1T1R | 24kec  | [[toh:views:toh_dev_arch-target-cpu?dataflt%5BCPU*~%5D=MT7688|see ToH]]|
@@ Line 40: / Line 41: @@
     * RT5350 is still available and cheaper, [[http://cdn.sparkfun.com/datasheets/Wireless/WiFi/RT5350.pdf]]
     * see here for a comparison: [[http://vonger.cn/?p=242]]
+    * These use the ''rt2800soc'' driver. New features such as 802.11w (required for WPA3) are only supported in software, thus limiting your speed to ~14-18 Mbps.
   * MT7621
     * 2 cores, 4 threads:
       * MT7621AT
+      * MT7621DAT: 128MB integrated RAM
     * 1 core, 2 threads:
       * MT7621ST, MT7621NT
@@ Line 52: / Line 55: @@
     * MT7628K: Embedded 8MB DRAM and L-shape
     * MT7628N: Same as MT7628A, but without PCle and IoT modes
+    * MT7628DAN: 64MB integrated RAM
+    * The chip uses a driver from the ''mt76'' family. 802.11w is hardware accelerated.
+===== RGMII configuration =====
-===== MediaTek xDSL =====
-==== Products =====
-=== ADSL ===
-  * [[http://www.mediatek.com/_en/01_products/04_pro.php?sn=1031]]
-  * [[http://www.mediatek.com/_en/01_products/04_pro.php?sn=1031|TC3085/TC3086]] = AFE (Analog Front-End) for ADSL2+
-  * [[http://www.mediatek.com/_en/01_products/04_pro.php?sn=1019|TC3162L2M]] It incorporates a 32-bit network processor and a DMT (Discrete Multi-Tone)-engine for ADSL2+
-  * [[http://www.mediatek.com/_en/01_products/04_pro.php?sn=1019|TC3162LEM]] It incorporates a 32-bit network processor and a DMT (Discrete Multi-Tone)-engine for ADSL2+
-=== VDSL ===
-  * [[http://www.mediatek.com/en/products/connectivity/xdsl/adsl-wifi/rt63260/|RT63260]] The RT63260 is a highly integrated **single-chip solution** combining AFE (Analog Front End) chip technology and an ADSL2/2+ wired ADSL modem application together on one chip. It includes a 32-bit network processor and a Discrete Multi-Tone (DMT) engine for ADSL
-  * [[http://www.mediatek.com/en/products/connectivity/xdsl/adsl-wifi/rt63365/|RT63365]]
-    * combine with RT63087 AFE (Analog Front-End) for VDSL2
-  * [[http://www.mediatek.com/en/products/connectivity/xdsl/adsl-wifi/rt63368/|RT63368]] It incorporates a MIPS 34Kc CPU and a DMT (Discrete Multi-Tone)-engine for VDSL2
-    * combine with RT63087 AFE (Analog Front-End) for VDSL2
-  * [[http://www.mediatek.com/en/products/connectivity/xdsl/adsl-wifi/RT65168/|RT65168]] It incorporates a MIPS 34Kc CPU and a DMT (Discrete Multi-Tone)-engine for VDSL2
-    * combine with RT63095 AFE (Analog Front-End) for VDSL2
-==== RGMII configuration ====
 On MT7620A and likely other Ralink / Mediatek SOCs, the RGMII delay is set with the Port I control register in the GSW (gigabit switch) subsystem
@@ Line 85: / Line 72: @@
 |BITS(24, 28)|PHY_DISABLE|
+For a complete explanation, look for the register 0x7014 in the MT7620 Programming Guide
 example:
@@ Line 95: / Line 83: @@
 f --> internal PHYs disabled
+----
+Remember: You have to read bits from right to left.
+For example ''1f08000c'' in binary becomes ''00011111000010000000000000001100''
+<code>
+1111 0000 1000 0000 0000 0000 1100
+   |    |    |    |    |    |    |    |
+   24   20   16   12    8    4    0
+</code>
+===== MediaTek xDSL =====
+==== Products =====
+=== ADSL ===
+  * [[http://www.mediatek.com/_en/01_products/04_pro.php?sn=1031]]
+  * [[http://www.mediatek.com/_en/01_products/04_pro.php?sn=1031|TC3085/TC3086]] = AFE (Analog Front-End) for ADSL2+
+  * [[http://www.mediatek.com/_en/01_products/04_pro.php?sn=1019|TC3162L2M]] It incorporates a 32-bit network processor and a DMT (Discrete Multi-Tone)-engine for ADSL2+
+  * [[http://www.mediatek.com/_en/01_products/04_pro.php?sn=1019|TC3162LEM]] It incorporates a 32-bit network processor and a DMT (Discrete Multi-Tone)-engine for ADSL2+
+=== VDSL ===
+  * [[http://www.mediatek.com/en/products/connectivity/xdsl/adsl-wifi/rt63260/|RT63260]] The RT63260 is a highly integrated **single-chip solution** combining AFE (Analog Front End) chip technology and an ADSL2/2+ wired ADSL modem application together on one chip. It includes a 32-bit network processor and a Discrete Multi-Tone (DMT) engine for ADSL
+  * [[http://www.mediatek.com/en/products/connectivity/xdsl/adsl-wifi/rt63365/|RT63365]]
+    * combine with RT63087 AFE (Analog Front-End) for VDSL2
+  * [[http://www.mediatek.com/en/products/connectivity/xdsl/adsl-wifi/rt63368/|RT63368]] It incorporates a MIPS 34Kc CPU and a DMT (Discrete Multi-Tone)-engine for VDSL2
+    * combine with RT63087 AFE (Analog Front-End) for VDSL2
+  * [[http://www.mediatek.com/en/products/connectivity/xdsl/adsl-wifi/RT65168/|RT65168]] It incorporates a MIPS 34Kc CPU and a DMT (Discrete Multi-Tone)-engine for VDSL2
+    * combine with RT63095 AFE (Analog Front-End) for VDSL2