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/*
* 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_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
/* 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 */
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