Unlike other Allwinner SoC's, A80 comes with different ahb gate clock offset values and also has mmc common controller. So support them via driver data.
Cc: Rask Ingemann Lambertsen rask@formelder.dk Signed-off-by: Jagan Teki jagan@amarulasolutions.com --- drivers/mmc/sunxi_mmc.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c index 05f15838a8..33f1ec5e5a 100644 --- a/drivers/mmc/sunxi_mmc.c +++ b/drivers/mmc/sunxi_mmc.c @@ -22,6 +22,7 @@ #ifdef CONFIG_DM_MMC struct sunxi_mmc_variant { bool has_reset; + bool has_mmc_common; u16 gate_offset; u16 mclk_offset; u16 reset_offset; @@ -653,6 +654,19 @@ static int sunxi_mmc_probe(struct udevice *dev) priv->variant->reset_start_bit)); }
+ if (priv->variant->has_mmc_common) { + u32 *mmc_config_clk, *mmc_common_base; + + ret = dev_read_phandle_with_args(dev, "clocks", "#clock-cells", 0, + 0, &args); + if (ret) + return ret; + mmc_config_clk = (u32 *)ofnode_get_addr(args.node); + + mmc_common_base = (void *)mmc_config_clk + (priv->mmc_no * 4); + setbits_le32(mmc_common_base, BIT(18) | BIT(16)); + } + ret = mmc_set_mod_clk(priv, 24000000); if (ret) return ret; @@ -697,6 +711,12 @@ static const struct sunxi_mmc_variant sun7i_a20_variant = { .reset_start_bit = 8, };
+static const struct sunxi_mmc_variant sun9i_a80_variant = { + .has_mmc_common = true, + .gate_offset = 0x580, + .mclk_offset = 0x410, +}; + static const struct sunxi_mmc_variant sun50i_h6_variant = { .has_reset = true, .gate_offset = 0x84c, @@ -722,6 +742,10 @@ static const struct udevice_id sunxi_mmc_ids[] = { .compatible = "allwinner,sun8i-a83t-emmc", .data = (ulong)&sun7i_a20_variant, }, + { + .compatible = "allwinner,sun9i-a80-mmc", + .data = (ulong)&sun9i_a80_variant, + }, { .compatible = "allwinner,sun50i-a64-mmc", .data = (ulong)&sun7i_a20_variant,