diff options
| author | Jagan Teki <jagan@amarulasolutions.com> | 2019-07-15 21:28:53 +0300 |
|---|---|---|
| committer | Kever Yang <kever.yang@rock-chips.com> | 2019-07-19 06:11:10 +0300 |
| commit | 1ff5283d92b25e449358bd88bc0b18db4be61d4f (patch) | |
| tree | 6639c798f66dcd39e4b08f49a1cd94bfd56db60e /drivers/ram | |
| parent | 4b09719c38cea3d10095675046eb6e8e84955e85 (diff) | |
| download | u-boot-1ff5283d92b25e449358bd88bc0b18db4be61d4f.tar.xz | |
ram: rk3399: Compute stride for 1 channel a
Add stride computation for the sdram which support
single channel a
This configuration available in NanoPi NEO4 and the
same can work with existing rk3399-sdram-ddr3-1866.dtsi
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: YouMin Chen <cym@rock-chips.com>
Reviewed-by: Kever Yang <Kever.yang@rock-chips.com>
Diffstat (limited to 'drivers/ram')
| -rw-r--r-- | drivers/ram/rockchip/sdram_rk3399.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index c626ef602c..8bbacb5275 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -1211,6 +1211,10 @@ static unsigned char calculate_stride(struct rk3399_sdram_params *params) chinfo |= 1 << channel; } + /* stride calculation for 1 channel */ + if (params->base.num_channels == 1 && chinfo & 1) + return 0x17; /* channel a */ + /* stride calculation for 2 channels, default gstride type is 256B */ if (ch_cap[0] == ch_cap[1]) { cap = ch_cap[0] + ch_cap[1]; |