diff options
| author | Jernej Skrabec <[email protected]> | 2026-04-05 21:59:26 +0200 |
|---|---|---|
| committer | Andre Przywara <[email protected]> | 2026-04-30 23:31:03 +0200 |
| commit | 5a24cc0740e1afcca830dd83d9f1062034fff2d6 (patch) | |
| tree | bf82efd7ec461ef2a7afa74aac9fbf81ff5c1f5d | |
| parent | 9d3bbc99b9038fa64dda92f97e0c29e4808694ec (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]>
| -rw-r--r-- | arch/arm/mach-sunxi/dram_sun50i_h616.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-sunxi/dram_sun50i_h616.c b/arch/arm/mach-sunxi/dram_sun50i_h616.c index 3345c9b8e82..42a0550e015 100644 --- a/arch/arm/mach-sunxi/dram_sun50i_h616.c +++ b/arch/arm/mach-sunxi/dram_sun50i_h616.c @@ -975,7 +975,7 @@ static bool mctl_phy_init(const struct dram_para *para, val = para->tpr6 & 0xff; break; case SUNXI_DRAM_TYPE_LPDDR3: - val = para->tpr6 >> 8 & 0xff; + val = para->tpr6 >> 16 & 0xff; break; case SUNXI_DRAM_TYPE_LPDDR4: val = para->tpr6 >> 24 & 0xff; |