2 * linux/drivers/mmc/host/mmci.h - ARM PrimeCell MMCI PL180/1 driver
4 * Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
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 as
8 * published by the Free Software Foundation.
10 //#define MMCIPOWER 0x000
11 #define MCI_PWR_OFF 0x00
12 #define MCI_PWR_UP 0x02
13 #define MCI_PWR_ON 0x03
14 #define MCI_OD (1 << 6)
15 #define MCI_ROD (1 << 7)
17 //#define MMCICLOCK 0x004
18 #define MCI_CLK_ENABLE (1 << 8)
19 #define MCI_CLK_PWRSAVE (1 << 9)
20 #define MCI_CLK_BYPASS (1 << 10)
21 #define MCI_WIDEBUS (1 << 11)
23 //#define MMCIARGUMENT 0x008
24 //#define MMCICOMMAND 0x00c
25 #define MCI_CPSM_RESPONSE (1 << 6)
26 #define MCI_CPSM_LONGRSP (1 << 7)
27 #define MCI_CPSM_INTERRUPT (1 << 8)
28 #define MCI_CPSM_PENDING (1 << 9)
29 #define MCI_CPSM_ENABLE (1 << 10)
32 #define MMCIRESPCMD 0x010
33 #define MMCIRESPONSE0 0x014
34 #define MMCIRESPONSE1 0x018
35 #define MMCIRESPONSE2 0x01c
36 #define MMCIRESPONSE3 0x020
37 #define MMCIDATATIMER 0x024
38 #define MMCIDATALENGTH 0x028
39 #define MMCIDATACTRL 0x02c
41 #define MCI_DPSM_ENABLE (1 << 0)
42 #define MCI_DPSM_DIRECTION (1 << 1)
43 #define MCI_DPSM_MODE (1 << 2)
44 #define MCI_DPSM_DMAENABLE (1 << 3)
46 //#define MMCIDATACNT 0x030
47 //#define MMCISTATUS 0x034
48 #define MCI_CMDCRCFAIL (1 << 0)
49 #define MCI_DATACRCFAIL (1 << 1)
50 #define MCI_CMDTIMEOUT (1 << 2)
51 #define MCI_DATATIMEOUT (1 << 3)
52 #define MCI_TXUNDERRUN (1 << 4)
53 #define MCI_RXOVERRUN (1 << 5)
54 #define MCI_CMDRESPEND (1 << 6)
55 #define MCI_CMDSENT (1 << 7)
56 #define MCI_DATAEND (1 << 8)
57 #define MCI_DATABLOCKEND (1 << 10)
58 #define MCI_CMDACTIVE (1 << 11)
59 #define MCI_TXACTIVE (1 << 12)
60 #define MCI_RXACTIVE (1 << 13)
61 #define MCI_TXFIFOHALFEMPTY (1 << 14)
62 #define MCI_RXFIFOHALFFULL (1 << 15)
63 #define MCI_TXFIFOFULL (1 << 16)
64 #define MCI_RXFIFOFULL (1 << 17)
65 #define MCI_TXFIFOEMPTY (1 << 18)
66 #define MCI_RXFIFOEMPTY (1 << 19)
67 #define MCI_TXDATAAVLBL (1 << 20)
68 #define MCI_RXDATAAVLBL (1 << 21)
70 //#define MMCICLEAR 0x038
71 #define MCI_CMDCRCFAILCLR (1 << 0)
72 #define MCI_DATACRCFAILCLR (1 << 1)
73 #define MCI_CMDTIMEOUTCLR (1 << 2)
74 #define MCI_DATATIMEOUTCLR (1 << 3)
75 #define MCI_TXUNDERRUNCLR (1 << 4)
76 #define MCI_RXOVERRUNCLR (1 << 5)
77 #define MCI_CMDRESPENDCLR (1 << 6)
78 #define MCI_CMDSENTCLR (1 << 7)
79 #define MCI_DATAENDCLR (1 << 8)
80 #define MCI_DATABLOCKENDCLR (1 << 10)
82 //#define MMCIMASK0 0x03c
83 #define MCI_CMDCRCFAILMASK (1 << 0)
84 #define MCI_DATACRCFAILMASK (1 << 1)
85 #define MCI_CMDTIMEOUTMASK (1 << 2)
86 #define MCI_DATATIMEOUTMASK (1 << 3)
87 #define MCI_TXUNDERRUNMASK (1 << 4)
88 #define MCI_RXOVERRUNMASK (1 << 5)
89 #define MCI_CMDRESPENDMASK (1 << 6)
90 #define MCI_CMDSENTMASK (1 << 7)
91 #define MCI_DATAENDMASK (1 << 8)
92 #define MCI_DATABLOCKENDMASK (1 << 10)
93 #define MCI_CMDACTIVEMASK (1 << 11)
94 #define MCI_TXACTIVEMASK (1 << 12)
95 #define MCI_RXACTIVEMASK (1 << 13)
96 #define MCI_TXFIFOHALFEMPTYMASK (1 << 14)
97 #define MCI_RXFIFOHALFFULLMASK (1 << 15)
98 #define MCI_TXFIFOFULLMASK (1 << 16)
99 #define MCI_RXFIFOFULLMASK (1 << 17)
100 #define MCI_TXFIFOEMPTYMASK (1 << 18)
101 #define MCI_RXFIFOEMPTYMASK (1 << 19)
102 #define MCI_TXDATAAVLBLMASK (1 << 20)
103 #define MCI_RXDATAAVLBLMASK (1 << 21)
106 #define MMCIMASK1 0x040
107 #define MMCIFIFOCNT 0x048
108 #define MMCIFIFO 0x080 /* to 0x0bc */
111 #define MCI_IRQENABLE \
112 (MCI_CMDCRCFAILMASK|MCI_DATACRCFAILMASK|MCI_CMDTIMEOUTMASK| \
113 MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK| \
114 MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_DATABLOCKENDMASK)
117 * The size of the FIFO in bytes.
119 #define MCI_FIFOSIZE (16*4)
121 #define MCI_FIFOHALFSIZE (MCI_FIFOSIZE / 2)