Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / mmc / host / sdhci-esdhc.h

diff --git a/kernel/drivers/mmc/host/sdhci-esdhc.h b/kernel/drivers/mmc/host/sdhci-esdhc.h
new file mode 100644 (file)
index 0000000..3497cfa
--- /dev/null
+++ b/kernel/drivers/mmc/host/sdhci-esdhc.h
@@ -0,0 +1,50 @@
+/*
+ * Freescale eSDHC controller driver generics for OF and pltfm.
+ *
+ * Copyright (c) 2007 Freescale Semiconductor, Inc.
+ * Copyright (c) 2009 MontaVista Software, Inc.
+ * Copyright (c) 2010 Pengutronix e.K.
+ *   Author: Wolfram Sang <w.sang@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License.
+ */
+
+#ifndef _DRIVERS_MMC_SDHCI_ESDHC_H
+#define _DRIVERS_MMC_SDHCI_ESDHC_H
+
+/*
+ * Ops and quirks for the Freescale eSDHC controller.
+ */
+
+#define ESDHC_DEFAULT_QUIRKS   (SDHCI_QUIRK_FORCE_BLK_SZ_2048 | \
+                               SDHCI_QUIRK_NO_BUSY_IRQ | \
+                               SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | \
+                               SDHCI_QUIRK_PIO_NEEDS_DELAY)
+
+#define ESDHC_SYSTEM_CONTROL   0x2c
+#define ESDHC_CLOCK_MASK       0x0000fff0
+#define ESDHC_PREDIV_SHIFT     8
+#define ESDHC_DIVIDER_SHIFT    4
+#define ESDHC_CLOCK_PEREN      0x00000004
+#define ESDHC_CLOCK_HCKEN      0x00000002
+#define ESDHC_CLOCK_IPGEN      0x00000001
+
+/* pltfm-specific */
+#define ESDHC_HOST_CONTROL_LE  0x20
+
+/*
+ * P2020 interpretation of the SDHCI_HOST_CONTROL register
+ */
+#define ESDHC_CTRL_4BITBUS          (0x1 << 1)
+#define ESDHC_CTRL_8BITBUS          (0x2 << 1)
+#define ESDHC_CTRL_BUSWIDTH_MASK    (0x3 << 1)
+
+/* OF-specific */
+#define ESDHC_DMA_SYSCTL       0x40c
+#define ESDHC_DMA_SNOOP                0x00000040
+
+#define ESDHC_HOST_CONTROL_RES 0x05
+
+#endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */