projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 80872e21 WS |
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 | \ | |
| 80872e21 | 22 | SDHCI_QUIRK_NO_BUSY_IRQ | \ |
| 80872e21 | 23 | SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | \ |
| 0718e59a | 24 | SDHCI_QUIRK_PIO_NEEDS_DELAY) |
| 80872e21 WS |
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 | ||
| 66b50a00 OG |
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 | ||
| 80872e21 WS |
44 | /* OF-specific */ |
| 45 | #define ESDHC_DMA_SYSCTL 0x40c | |
| 46 | #define ESDHC_DMA_SNOOP 0x00000040 | |
| 47 | ||
| 48 | #define ESDHC_HOST_CONTROL_RES 0x05 | |
| 49 | ||
| 80872e21 | 50 | #endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */ |