[PATCH 2/7] mmc: zynq_sdhci: Define timing macro's

Michal Simek michal.simek at xilinx.com
Fri May 22 12:44:06 CEST 2020


From: Ashok Reddy Soma <ashok.reddy.soma at xilinx.com>

Define timing macro's for all the available speeds of mmc. This is
done similar to linux. Replace other macro's used in zynq_sdhci.c
with these new macro's.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---

 drivers/mmc/zynq_sdhci.c | 24 +++++++++++-------------
 include/mmc.h            | 13 +++++++++++++
 2 files changed, 24 insertions(+), 13 deletions(-)

diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
index 94c69cf1c1bd..02583f76f936 100644
--- a/drivers/mmc/zynq_sdhci.c
+++ b/drivers/mmc/zynq_sdhci.c
@@ -32,20 +32,18 @@ struct arasan_sdhci_priv {
 };
 
 #if defined(CONFIG_ARCH_ZYNQMP)
-#define MMC_HS200_BUS_SPEED	5
-
 static const u8 mode2timing[] = {
-	[MMC_LEGACY] = UHS_SDR12_BUS_SPEED,
-	[MMC_HS] = HIGH_SPEED_BUS_SPEED,
-	[SD_HS] = HIGH_SPEED_BUS_SPEED,
-	[MMC_HS_52] = HIGH_SPEED_BUS_SPEED,
-	[MMC_DDR_52] = HIGH_SPEED_BUS_SPEED,
-	[UHS_SDR12] = UHS_SDR12_BUS_SPEED,
-	[UHS_SDR25] = UHS_SDR25_BUS_SPEED,
-	[UHS_SDR50] = UHS_SDR50_BUS_SPEED,
-	[UHS_DDR50] = UHS_DDR50_BUS_SPEED,
-	[UHS_SDR104] = UHS_SDR104_BUS_SPEED,
-	[MMC_HS_200] = MMC_HS200_BUS_SPEED,
+	[MMC_LEGACY] = MMC_TIMING_LEGACY,
+	[MMC_HS] = MMC_TIMING_MMC_HS,
+	[SD_HS] = MMC_TIMING_SD_HS,
+	[MMC_HS_52] = MMC_TIMING_UHS_SDR50,
+	[MMC_DDR_52] = MMC_TIMING_UHS_DDR50,
+	[UHS_SDR12] = MMC_TIMING_UHS_SDR12,
+	[UHS_SDR25] = MMC_TIMING_UHS_SDR25,
+	[UHS_SDR50] = MMC_TIMING_UHS_SDR50,
+	[UHS_DDR50] = MMC_TIMING_UHS_DDR50,
+	[UHS_SDR104] = MMC_TIMING_UHS_SDR104,
+	[MMC_HS_200] = MMC_TIMING_MMC_HS200,
 };
 
 #define SDHCI_TUNING_LOOP_COUNT	40
diff --git a/include/mmc.h b/include/mmc.h
index 82562193cc48..05d8ab8eeac6 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -360,6 +360,19 @@ enum mmc_voltage {
 #define MMC_NUM_BOOT_PARTITION	2
 #define MMC_PART_RPMB           3       /* RPMB partition number */
 
+/* timing specification used */
+#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
+
 /* Driver model support */
 
 /**
-- 
2.26.2



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