[U-Boot] [PATCH 02/33] mmc: add set_timing entry for timing selection

[Ziyuan Xu]

Some controller should do some configuration according to the selected
timing.

Signed-off-by: Ziyuan Xu <xzy.xu at rock-chips.com>
---

 drivers/mmc/mmc.c |  7 +++++++
 include/mmc.h     | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index f5b2280..1b3652a 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -318,6 +318,12 @@ ulong mmc_bread(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt,
 	return blkcnt;
 }
 
+static void mmc_set_timing(struct mmc *mmc, uint timing)
+{
+	mmc->timing = timing;
+	mmc_set_ios(mmc);
+}
+
 static int mmc_go_idle(struct mmc *mmc)
 {
 	struct mmc_cmd cmd;
@@ -1734,6 +1740,7 @@ int mmc_start_init(struct mmc *mmc)
 	mmc->ddr_mode = 0;
 	mmc_set_bus_width(mmc, 1);
 	mmc_set_clock(mmc, 1);
+	mmc_set_timing(mmc, MMC_TIMING_LEGACY);
 
 	/* Reset the Card */
 	err = mmc_go_idle(mmc);
diff --git a/include/mmc.h b/include/mmc.h
index 0bae1a1..68b6790 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -434,6 +434,21 @@ struct mmc {
 	uint has_init;
 	int high_capacity;
 	uint bus_width;
+	uint timing;
+
+#define MMC_TIMING_LEGACY	0
+#define MMC_TIMING_MMC_HS	1
+#define MMC_TIMING_SD_HS	2
+#define MMC_TIMING_UHS_SDR12	3
+#define MMC_TIMING_UHS_SDR25	4
+#define MMC_TIMING_UHS_SDR50	5
+#define MMC_TIMING_UHS_SDR104	6
+#define MMC_TIMING_UHS_DDR50	7
+#define MMC_TIMING_MMC_DDR52	8
+#define MMC_TIMING_MMC_HS200	9
+#define MMC_TIMING_MMC_HS400	10
+#define MMC_TIMING_MMC_HS400ES	11
+
 	uint clock;
 	uint card_caps;
 	uint ocr;
@@ -493,6 +508,40 @@ enum mmc_hwpart_conf_mode {
 	MMC_HWPART_CONF_COMPLETE,
 };
 
+static inline bool mmc_card_hs(struct mmc *mmc)
+{
+	return (mmc->timing == MMC_TIMING_MMC_HS) ||
+		(mmc->timing == MMC_TIMING_SD_HS);
+}
+
+static inline bool mmc_card_ddr(struct mmc *mmc)
+{
+	return (mmc->timing == MMC_TIMING_UHS_DDR50) ||
+		(mmc->timing == MMC_TIMING_MMC_DDR52) ||
+		(mmc->timing == MMC_TIMING_MMC_HS400) ||
+		(mmc->timing == MMC_TIMING_MMC_HS400ES);
+}
+
+static inline bool mmc_card_hs200(struct mmc *mmc)
+{
+	return mmc->timing == MMC_TIMING_MMC_HS200;
+}
+
+static inline bool mmc_card_ddr52(struct mmc *mmc)
+{
+	return mmc->timing == MMC_TIMING_MMC_DDR52;
+}
+
+static inline bool mmc_card_hs400(struct mmc *mmc)
+{
+	return mmc->timing == MMC_TIMING_MMC_HS400;
+}
+
+static inline bool mmc_card_hs400es(struct mmc *mmc)
+{
+	return mmc->timing == MMC_TIMING_MMC_HS400ES;
+}
+
 struct mmc *mmc_create(const struct mmc_config *cfg, void *priv);
 
 /**
-- 
2.7.4