1/* 2 * Freescale eSDHC controller driver generics for OF and pltfm. 3 * 4 * Copyright (c) 2007 Freescale Semiconductor, Inc. 5 * Copyright (c) 2009 MontaVista Software, Inc. 6 * Copyright (c) 2010 Pengutronix e.K. 7 * Author: Wolfram Sang <w.sang@pengutronix.de> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License. 12 */ 13 14#ifndef _DRIVERS_MMC_SDHCI_ESDHC_H 15#define _DRIVERS_MMC_SDHCI_ESDHC_H 16 17/* 18 * Ops and quirks for the Freescale eSDHC controller. 19 */ 20 21#define ESDHC_DEFAULT_QUIRKS (SDHCI_QUIRK_FORCE_BLK_SZ_2048 | \ 22 SDHCI_QUIRK_NO_BUSY_IRQ | \ 23 SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | \ 24 SDHCI_QUIRK_PIO_NEEDS_DELAY) 25 26#define ESDHC_SYSTEM_CONTROL 0x2c 27#define ESDHC_CLOCK_MASK 0x0000fff0 28#define ESDHC_PREDIV_SHIFT 8 29#define ESDHC_DIVIDER_SHIFT 4 30#define ESDHC_CLOCK_PEREN 0x00000004 31#define ESDHC_CLOCK_HCKEN 0x00000002 32#define ESDHC_CLOCK_IPGEN 0x00000001 33 34/* pltfm-specific */ 35#define ESDHC_HOST_CONTROL_LE 0x20 36 37/* 38 * P2020 interpretation of the SDHCI_HOST_CONTROL register 39 */ 40#define ESDHC_CTRL_4BITBUS (0x1 << 1) 41#define ESDHC_CTRL_8BITBUS (0x2 << 1) 42#define ESDHC_CTRL_BUSWIDTH_MASK (0x3 << 1) 43 44/* OF-specific */ 45#define ESDHC_DMA_SYSCTL 0x40c 46#define ESDHC_DMA_SNOOP 0x00000040 47 48#define ESDHC_HOST_CONTROL_RES 0x01 49 50#endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */ 51