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authorJernej Skrabec <[email protected]>2026-04-05 21:59:26 +0200
committerAndre Przywara <[email protected]>2026-04-30 23:31:03 +0200
commit5a24cc0740e1afcca830dd83d9f1062034fff2d6 (patch)
treebf82efd7ec461ef2a7afa74aac9fbf81ff5c1f5d /doc/develop
parent9d3bbc99b9038fa64dda92f97e0c29e4808694ec (diff)
sunxi: H616: dram: fix LPDDR3 TPR6 parsing
Allwinner's DRAM initialisation code defines a parameter named TPR6, presumably containing some "Vref" parameter, but containing values for *all* DRAM types. The runtime code selects one byte based on the DRAM type used. This selection code was wrong for LPDDR3, the value is encoded in bits [23:16], not [15:8]. Fix that in the code, which also aligns it with the very similar code for the A133 and A523. Signed-off-by: Jernej Skrabec <[email protected]> Reported-by: Philippe Simons <[email protected]> Reviewed-by: Andre Przywara <[email protected]> Reviewed-by: Paul Kocialkowski <[email protected]>
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