| /* |
| * 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 | \ |
| SDHCI_QUIRK_NO_HISPD_BIT) |
| |
| /* pltfm-specific */ |
| #define ESDHC_HOST_CONTROL_LE 0x20 |
| |
| /* |
| * eSDHC register definition |
| */ |
| |
| /* Present State Register */ |
| #define ESDHC_PRSSTAT 0x24 |
| #define ESDHC_CLOCK_STABLE 0x00000008 |
| |
| /* Protocol Control Register */ |
| #define ESDHC_PROCTL 0x28 |
| #define ESDHC_CTRL_4BITBUS (0x1 << 1) |
| #define ESDHC_CTRL_8BITBUS (0x2 << 1) |
| #define ESDHC_CTRL_BUSWIDTH_MASK (0x3 << 1) |
| #define ESDHC_HOST_CONTROL_RES 0x01 |
| |
| /* System Control Register */ |
| #define ESDHC_SYSTEM_CONTROL 0x2c |
| #define ESDHC_CLOCK_MASK 0x0000fff0 |
| #define ESDHC_PREDIV_SHIFT 8 |
| #define ESDHC_DIVIDER_SHIFT 4 |
| #define ESDHC_CLOCK_SDCLKEN 0x00000008 |
| #define ESDHC_CLOCK_PEREN 0x00000004 |
| #define ESDHC_CLOCK_HCKEN 0x00000002 |
| #define ESDHC_CLOCK_IPGEN 0x00000001 |
| |
| /* Control Register for DMA transfer */ |
| #define ESDHC_DMA_SYSCTL 0x40c |
| #define ESDHC_DMA_SNOOP 0x00000040 |
| |
| #endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */ |
