From e5d20906f7a62c431b4ccf3cd5eaa49254853960 Mon Sep 17 00:00:00 2001 From: Weijie Gao Date: Thu, 23 Jan 2025 16:54:56 +0800 Subject: [PATCH] mmc: mediatek: add support for MediaTek MT7987 SoCs This patch adds eMMC/SD support for MT7987 SoC Signed-off-by: Weijie Gao --- drivers/mmc/mtk-sd.c | 21 +++++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/mtk-sd.c b/drivers/mmc/mtk-sd.c index d676cf9e314..2bc700b0d05 100644 --- 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 }, -- 2.39.5