Re: [PATCH v3 2/2] sunxi: restore modified memory

2024-03-04 Thread Andre Przywara
On Thu, 28 Dec 2023 00:28:43 +0300 Andrey Skvortsov wrote: > Current sunxi DRAM initialisation code does several test accesses to the > DRAM array to detect aliasing effects and so determine the correct > row/column configuration. This changes the DRAM content, which breaks > use cases like soft

[PATCH v3 2/2] sunxi: restore modified memory

2023-12-27 Thread Andrey Skvortsov
Current sunxi DRAM initialisation code does several test accesses to the DRAM array to detect aliasing effects and so determine the correct row/column configuration. This changes the DRAM content, which breaks use cases like soft reset and Linux's ramoops mechanism. Fix this problem by saving and