| Wolfram Sang | 80872e2 | 2010-10-15 12:21:03 +0200 | [diff] [blame] | 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 | \ |
| Wolfram Sang | 80872e2 | 2010-10-15 12:21:03 +0200 | [diff] [blame] | 22 | SDHCI_QUIRK_NO_BUSY_IRQ | \ |
| 23 | SDHCI_QUIRK_NONSTANDARD_CLOCK | \ |
| 24 | SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | \ |
| 25 | SDHCI_QUIRK_PIO_NEEDS_DELAY | \ |
| Richard Zhu | e481e45 | 2011-03-21 13:22:13 +0800 | [diff] [blame] | 26 | SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET) |
| Wolfram Sang | 80872e2 | 2010-10-15 12:21:03 +0200 | [diff] [blame] | 27 | |
| 28 | #define ESDHC_SYSTEM_CONTROL 0x2c |
| 29 | #define ESDHC_CLOCK_MASK 0x0000fff0 |
| 30 | #define ESDHC_PREDIV_SHIFT 8 |
| 31 | #define ESDHC_DIVIDER_SHIFT 4 |
| 32 | #define ESDHC_CLOCK_PEREN 0x00000004 |
| 33 | #define ESDHC_CLOCK_HCKEN 0x00000002 |
| 34 | #define ESDHC_CLOCK_IPGEN 0x00000001 |
| 35 | |
| 36 | /* pltfm-specific */ |
| 37 | #define ESDHC_HOST_CONTROL_LE 0x20 |
| 38 | |
| Oded Gabbay | 66b50a0 | 2013-06-27 12:00:05 -0400 | [diff] [blame] | 39 | /* |
| 40 | * P2020 interpretation of the SDHCI_HOST_CONTROL register |
| 41 | */ |
| 42 | #define ESDHC_CTRL_4BITBUS (0x1 << 1) |
| 43 | #define ESDHC_CTRL_8BITBUS (0x2 << 1) |
| 44 | #define ESDHC_CTRL_BUSWIDTH_MASK (0x3 << 1) |
| 45 | |
| Wolfram Sang | 80872e2 | 2010-10-15 12:21:03 +0200 | [diff] [blame] | 46 | /* OF-specific */ |
| 47 | #define ESDHC_DMA_SYSCTL 0x40c |
| 48 | #define ESDHC_DMA_SNOOP 0x00000040 |
| 49 | |
| 50 | #define ESDHC_HOST_CONTROL_RES 0x05 |
| 51 | |
| Wolfram Sang | 80872e2 | 2010-10-15 12:21:03 +0200 | [diff] [blame] | 52 | #endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */ |