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diff --git a/arch/m68k/include/asm/mcfqspi.h b/arch/m68k/include/asm/mcfqspi.h
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1/*
2 * Definitions for Freescale Coldfire QSPI module
3 *
4 * Copyright 2010 Steven King <sfking@fdwdc.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19*/
20
21#ifndef mcfqspi_h
22#define mcfqspi_h
23
24#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x)
25#define MCFQSPI_IOBASE (MCF_IPSBAR + 0x340)
26#elif defined(CONFIG_M5249)
27#define MCFQSPI_IOBASE (MCF_MBAR + 0x300)
28#elif defined(CONFIG_M520x) || defined(CONFIG_M532x)
29#define MCFQSPI_IOBASE 0xFC058000
30#endif
31#define MCFQSPI_IOSIZE 0x40
32
33/**
34 * struct mcfqspi_cs_control - chip select control for the coldfire qspi driver
35 * @setup: setup the control; allocate gpio's, etc. May be NULL.
36 * @teardown: finish with the control; free gpio's, etc. May be NULL.
37 * @select: output the signals to select the device. Can not be NULL.
38 * @deselect: output the signals to deselect the device. Can not be NULL.
39 *
40 * The QSPI module has 4 hardware chip selects. We don't use them. Instead
41 * platforms are required to supply a mcfqspi_cs_control as a part of the
42 * platform data for each QSPI master controller. Only the select and
43 * deselect functions are required.
44*/
45struct mcfqspi_cs_control {
46 int (*setup)(struct mcfqspi_cs_control *);
47 void (*teardown)(struct mcfqspi_cs_control *);
48 void (*select)(struct mcfqspi_cs_control *, u8, bool);
49 void (*deselect)(struct mcfqspi_cs_control *, u8, bool);
50};
51
52/**
53 * struct mcfqspi_platform_data - platform data for the coldfire qspi driver
54 * @bus_num: board specific identifier for this qspi driver.
55 * @num_chipselects: number of chip selects supported by this qspi driver.
56 * @cs_control: platform dependent chip select control.
57*/
58struct mcfqspi_platform_data {
59 s16 bus_num;
60 u16 num_chipselect;
61 struct mcfqspi_cs_control *cs_control;
62};
63
64#endif /* mcfqspi_h */