diff options
| -rw-r--r-- | arch/arm/dts/rk3036.dtsi | 1 | ||||
| -rw-r--r-- | drivers/mmc/rockchip_dw_mmc.c | 21 |
2 files changed, 18 insertions, 4 deletions
diff --git a/arch/arm/dts/rk3036.dtsi b/arch/arm/dts/rk3036.dtsi index 0daae1e..ecf5416 100644 --- a/arch/arm/dts/rk3036.dtsi +++ b/arch/arm/dts/rk3036.dtsi @@ -257,6 +257,7 @@ cap-mmc-highspeed; mmc-ddr-1_8v; disable-wp; + fifo-mode; non-removable; num-slots = <1>; default-sample-phase = <158>; diff --git a/drivers/mmc/rockchip_dw_mmc.c b/drivers/mmc/rockchip_dw_mmc.c index dfe20f9..aeaec6c 100644 --- a/drivers/mmc/rockchip_dw_mmc.c +++ b/drivers/mmc/rockchip_dw_mmc.c @@ -64,6 +64,7 @@ static int rockchip_dwmmc_probe(struct udevice *dev) struct dwmci_host *host = &priv->host; u32 minmax[2]; int ret; + int fifo_depth; priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); if (IS_ERR(priv->grf)) @@ -72,10 +73,22 @@ static int rockchip_dwmmc_probe(struct udevice *dev) if (ret) return ret; - ret = fdtdec_get_int_array(gd->fdt_blob, dev->of_offset, - "clock-freq-min-max", minmax, 2); - if (!ret) - ret = add_dwmci(host, minmax[1], minmax[0]); + if (fdtdec_get_int_array(gd->fdt_blob, dev->of_offset, + "clock-freq-min-max", minmax, 2)) + return -EINVAL; + + fifo_depth = fdtdec_get_int(gd->fdt_blob, dev->of_offset, + "fifo-depth", 0); + if (fifo_depth < 0) + return -EINVAL; + + host->fifoth_val = MSIZE(0x2) | + RX_WMARK(fifo_depth / 2 - 1) | TX_WMARK(fifo_depth / 2); + + if (fdtdec_get_bool(gd->fdt_blob, dev->of_offset, "fifo-mode")) + host->fifo_mode = true; + + ret = add_dwmci(host, minmax[1], minmax[0]); if (ret) return ret; |