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Merge tag 'iommu-updates-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git...
[mirror_ubuntu-artful-kernel.git] / drivers / mmc / host / sdhci-esdhc.h
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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 | \
67b589a2
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24 SDHCI_QUIRK_PIO_NEEDS_DELAY | \
25 SDHCI_QUIRK_NO_HISPD_BIT)
80872e21 26
80872e21
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27/* pltfm-specific */
28#define ESDHC_HOST_CONTROL_LE 0x20
29
66b50a00 30/*
a6b44888 31 * eSDHC register definition
66b50a00 32 */
80872e21 33
e87d2db2 34/* Present State Register */
35#define ESDHC_PRSSTAT 0x24
36#define ESDHC_CLOCK_STABLE 0x00000008
37
a6b44888 38/* Protocol Control Register */
39#define ESDHC_PROCTL 0x28
ea35645a 40#define ESDHC_VOLT_SEL 0x00000400
a6b44888 41#define ESDHC_CTRL_4BITBUS (0x1 << 1)
42#define ESDHC_CTRL_8BITBUS (0x2 << 1)
43#define ESDHC_CTRL_BUSWIDTH_MASK (0x3 << 1)
44#define ESDHC_HOST_CONTROL_RES 0x01
45
46/* System Control Register */
47#define ESDHC_SYSTEM_CONTROL 0x2c
48#define ESDHC_CLOCK_MASK 0x0000fff0
49#define ESDHC_PREDIV_SHIFT 8
50#define ESDHC_DIVIDER_SHIFT 4
e87d2db2 51#define ESDHC_CLOCK_SDCLKEN 0x00000008
a6b44888 52#define ESDHC_CLOCK_PEREN 0x00000004
53#define ESDHC_CLOCK_HCKEN 0x00000002
54#define ESDHC_CLOCK_IPGEN 0x00000001
55
ba49cbd0 56/* Tuning Block Control Register */
57#define ESDHC_TBCTL 0x120
58#define ESDHC_TB_EN 0x00000004
59
a6b44888 60/* Control Register for DMA transfer */
61#define ESDHC_DMA_SYSCTL 0x40c
19c3a0ef 62#define ESDHC_PERIPHERAL_CLK_SEL 0x00080000
ba49cbd0 63#define ESDHC_FLUSH_ASYNC_FIFO 0x00040000
a6b44888 64#define ESDHC_DMA_SNOOP 0x00000040
80872e21 65
80872e21 66#endif /* _DRIVERS_MMC_SDHCI_ESDHC_H */