/* * 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 * * 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_32BIT_DMA_ADDR | \ 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_VOLT_SEL 0x00000400 #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 /* Host Controller Capabilities Register 2 */ #define ESDHC_CAPABILITIES_1 0x114 /* Tuning Block Control Register */ #define ESDHC_TBCTL 0x120 #define ESDHC_TB_EN 0x00000004 /* Control Register for DMA transfer */ #define ESDHC_DMA_SYSCTL 0x40c #define ESDHC_PERIPHERAL_CLK_SEL 0x00080000 #define ESDHC_FLUSH_ASYNC_FIFO 0x00040000 #define ESDHC_DMA_SNOOP 0x00000040 #endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */