mmc: mediatek: add support for MediaTek MT7987 SoCs

This patch adds eMMC/SD support for MT7987 SoC

Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>

diff --git a/drivers/mmc/mtk-sd.c b/drivers/mmc/mtk-sd.c
index d676cf9..2bc700b 100644 (file)
--- a/drivers/mmc/mtk-sd.c
+++ b/drivers/mmc/mtk-sd.c
@@ -329,6 +329,7 @@ struct msdc_compatible {
        u8 clk_div_bits;
        bool pad_tune0;
        bool async_fifo;
+       bool async_fifo_crcsts;
        bool data_tune;
        bool busy_check;
        bool stop_clk_fix;
@@ -1553,8 +1554,12 @@ static void msdc_init_hw(struct msdc_host *host)
                /* use async fifo to avoid tune internal delay */
                clrbits_le32(&host->base->patch_bit2,
                             MSDC_PB2_CFGRESP);
-               clrbits_le32(&host->base->patch_bit2,
-                            MSDC_PB2_CFGCRCSTS);
+               if (host->dev_comp->async_fifo_crcsts)
+                       setbits_le32(&host->base->patch_bit2,
+                                    MSDC_PB2_CFGCRCSTS);
+               else
+                       clrbits_le32(&host->base->patch_bit2,
+                                    MSDC_PB2_CFGCRCSTS);
        }
 
        if (host->dev_comp->data_tune) {
@@ -1844,6 +1849,17 @@ static const struct msdc_compatible mt7986_compat = {
        .enhance_rx = true,
 };
 
+static const struct msdc_compatible mt7987_compat = {
+       .clk_div_bits = 12,
+       .pad_tune0 = true,
+       .async_fifo = true,
+       .async_fifo_crcsts = true,
+       .data_tune = true,
+       .busy_check = true,
+       .stop_clk_fix = true,
+       .enhance_rx = true,
+};
+
 static const struct msdc_compatible mt7981_compat = {
        .clk_div_bits = 12,
        .pad_tune0 = true,
@@ -1886,6 +1902,7 @@ static const struct udevice_id msdc_ids[] = {
        { .compatible = "mediatek,mt7622-mmc", .data = (ulong)&mt7622_compat },
        { .compatible = "mediatek,mt7623-mmc", .data = (ulong)&mt7623_compat },
        { .compatible = "mediatek,mt7986-mmc", .data = (ulong)&mt7986_compat },
+       { .compatible = "mediatek,mt7987-mmc", .data = (ulong)&mt7987_compat },
        { .compatible = "mediatek,mt7981-mmc", .data = (ulong)&mt7981_compat },
        { .compatible = "mediatek,mt8512-mmc", .data = (ulong)&mt8512_compat },
        { .compatible = "mediatek,mt8516-mmc", .data = (ulong)&mt8516_compat },