mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-04-20 11:34:20 +00:00
b35ce0c413
DDR driver for NXP layerscape SoC(s): - lx2160aqds - lx2162aqds - lx2160ardb - Other Board with SoC(s) like ls1046a, ls1043a etc; -- These other boards are not verified yet. Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com> Signed-off-by: York Sun <york.sun@nxp.com> Signed-off-by: Udit Agarwal <udit.agarwal@nxp.com> Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com> Change-Id: Ic84a63cb30eba054f432d479862cd4d1097cbbaf
31 lines
2.9 KiB
Text
31 lines
2.9 KiB
Text
Table for dynamic ODT for DDR4 with PHY generation 2
|
|
====================================================
|
|
Two-slot system
|
|
Only symmetric configurations are supported for interleaving. Non-symmetric
|
|
configurations are possible but not covered here. First slot empty is possbile
|
|
but prohibited for simplicity.
|
|
+-----------------------+-------------+---------------+-----------------------------+-----------------------------+
|
|
| Configuration | |DRAM controller| Slot 1 | Slot 2 |
|
|
+-----------+-----------+-------------+-------+-------+--------------+--------------+--------------+--------------+
|
|
| | | | | | Rank 1 | Rank 2 | Rank 1 | Rank 2 |
|
|
| Slot 1 | Slot 2 | Write/Read | Write | Read |-------+------+-------+------+-------+------+-------+------+
|
|
| | | | | | Write | Read | Write | Read | Write | Read | Write | Read |
|
|
+-----------+-----------+------+------+-------+-------+-------+------+-------+------+-------+------+-------+------+
|
|
| | | |Rank 1| off | 60 | 240 | off | 60 | 240 | 60 | 60 | 60 | 60 |
|
|
| | |Slot 1|------+-------+-------+-------+------+-------+------+-------+------+-------+------+
|
|
| | | |Rank 2| off | 60 | 60 | 240 | 240 | off | 60 | 60 | 60 | 60 |
|
|
| Dual Rank | Dual Rank |------+------+-------+-------+-------+------+-------+------+-------+------+-------+------+
|
|
| | | |Rank 1| off | 60 | 60 | 60 | 60 | 60 | 240 | off | 60 | 240 |
|
|
| | |Slot 2|------+-------+-------+-------+------+-------+------+-------+------+-------+------+
|
|
| | | |Rank 2| off | 60 | 60 | 60 | 60 | 60 | 60 | 240 | 240 | off |
|
|
+-----------+-----------+------+------+-------+-------+-------+------+-------+------+-------+------+-------+------+
|
|
| | | Slot 1 | off | 60 | 80 | off | | | | | | |
|
|
|Single Rank|Single Rank|-------------+-------+-------+-------+------+-------+------+-------+------+-------+------+
|
|
| | | Slot 2 | off | 60 | | | | | 80 | off |
|
|
+-----------+-----------+------+------+-------+-------+-------+------+-------+------+-------+------+
|
|
| | | |Rank 1| off | 80 | 80 | off | off | off |
|
|
| Dual Rank | |Slot 1|------+-------+-------+-------+------+-------+------+
|
|
| | | |Rank 2| off | 80 | 80 | off | off | off |
|
|
+-----------+-----------+-------------+-------+-------+-------+------+-------+------+
|
|
|Single Rank| | Slot 1 | off | 80 | 80 | off |
|
|
+-----------+-----------+-------------+-------+-------+-------+------+
|