1 /*
2  * BRIEF MODULE DESCRIPTION
3  *	Defines for using the MMC/SD controllers on the
4  *      Alchemy Au1100 mips processor.
5  *
6  * Copyright (c) 2003 Embedded Edge, LLC.
7  * Author: Embedded Edge, LLC.
8  *         	dan@embeddededge.com or tim@embeddededge.com
9  *
10  *  This program is free software; you can redistribute  it and/or modify it
11  *  under  the terms of  the GNU General  Public License as published by the
12  *  Free Software Foundation;  either version 2 of the  License, or (at your
13  *  option) any later version.
14  *
15  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
16  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
17  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
18  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
19  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
21  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
22  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
23  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  *  You should have received a copy of the  GNU General Public License along
27  *  with this program; if not, write  to the Free Software Foundation, Inc.,
28  *  675 Mass Ave, Cambridge, MA 02139, USA.
29  *
30  */
31 /*
32  * AU1100 MMC/SD definitions.
33  *
34  * From "AMD Alchemy Solutions Au1100 Processor Data Book - Preliminary"
35  *    June, 2003
36  */
37 
38 #ifndef __ASM_AU1100_MMC_H
39 #define __ASM_AU1100_MMC_H
40 
41 #include <linux/leds.h>
42 
43 struct au1xmmc_platform_data {
44 	int(*cd_setup)(void *mmc_host, int on);
45 	int(*card_inserted)(void *mmc_host);
46 	int(*card_readonly)(void *mmc_host);
47 	void(*set_power)(void *mmc_host, int state);
48 	struct led_classdev *led;
49 };
50 
51 #define SD0_BASE	0xB0600000
52 #define SD1_BASE	0xB0680000
53 
54 
55 /*
56  *  Register offsets.
57  */
58 #define SD_TXPORT	(0x0000)
59 #define SD_RXPORT	(0x0004)
60 #define SD_CONFIG	(0x0008)
61 #define SD_ENABLE	(0x000C)
62 #define SD_CONFIG2	(0x0010)
63 #define SD_BLKSIZE	(0x0014)
64 #define SD_STATUS	(0x0018)
65 #define SD_DEBUG	(0x001C)
66 #define SD_CMD		(0x0020)
67 #define SD_CMDARG	(0x0024)
68 #define SD_RESP3	(0x0028)
69 #define SD_RESP2	(0x002C)
70 #define SD_RESP1	(0x0030)
71 #define SD_RESP0	(0x0034)
72 #define SD_TIMEOUT	(0x0038)
73 
74 
75 /*
76  *  SD_TXPORT bit definitions.
77  */
78 #define SD_TXPORT_TXD	(0x000000ff)
79 
80 
81 /*
82  *  SD_RXPORT bit definitions.
83  */
84 #define SD_RXPORT_RXD	(0x000000ff)
85 
86 
87 /*
88  *  SD_CONFIG bit definitions.
89  */
90 #define SD_CONFIG_DIV	(0x000001ff)
91 #define SD_CONFIG_DE	(0x00000200)
92 #define SD_CONFIG_NE	(0x00000400)
93 #define SD_CONFIG_TU	(0x00000800)
94 #define SD_CONFIG_TO	(0x00001000)
95 #define SD_CONFIG_RU	(0x00002000)
96 #define SD_CONFIG_RO	(0x00004000)
97 #define SD_CONFIG_I	(0x00008000)
98 #define SD_CONFIG_CR	(0x00010000)
99 #define SD_CONFIG_RAT	(0x00020000)
100 #define SD_CONFIG_DD	(0x00040000)
101 #define SD_CONFIG_DT	(0x00080000)
102 #define SD_CONFIG_SC	(0x00100000)
103 #define SD_CONFIG_RC	(0x00200000)
104 #define SD_CONFIG_WC	(0x00400000)
105 #define SD_CONFIG_xxx	(0x00800000)
106 #define SD_CONFIG_TH	(0x01000000)
107 #define SD_CONFIG_TE	(0x02000000)
108 #define SD_CONFIG_TA	(0x04000000)
109 #define SD_CONFIG_RH	(0x08000000)
110 #define SD_CONFIG_RA	(0x10000000)
111 #define SD_CONFIG_RF	(0x20000000)
112 #define SD_CONFIG_CD	(0x40000000)
113 #define SD_CONFIG_SI	(0x80000000)
114 
115 
116 /*
117  *  SD_ENABLE bit definitions.
118  */
119 #define SD_ENABLE_CE	(0x00000001)
120 #define SD_ENABLE_R	(0x00000002)
121 
122 
123 /*
124  *  SD_CONFIG2 bit definitions.
125  */
126 #define SD_CONFIG2_EN	(0x00000001)
127 #define SD_CONFIG2_FF	(0x00000002)
128 #define SD_CONFIG2_xx1	(0x00000004)
129 #define SD_CONFIG2_DF	(0x00000008)
130 #define SD_CONFIG2_DC	(0x00000010)
131 #define SD_CONFIG2_xx2	(0x000000e0)
132 #define SD_CONFIG2_WB	(0x00000100)
133 #define SD_CONFIG2_RW	(0x00000200)
134 
135 
136 /*
137  *  SD_BLKSIZE bit definitions.
138  */
139 #define SD_BLKSIZE_BS	(0x000007ff)
140 #define SD_BLKSIZE_BS_SHIFT	 (0)
141 #define SD_BLKSIZE_BC	(0x01ff0000)
142 #define SD_BLKSIZE_BC_SHIFT	(16)
143 
144 
145 /*
146  *  SD_STATUS bit definitions.
147  */
148 #define SD_STATUS_DCRCW	(0x00000007)
149 #define SD_STATUS_xx1	(0x00000008)
150 #define SD_STATUS_CB	(0x00000010)
151 #define SD_STATUS_DB	(0x00000020)
152 #define SD_STATUS_CF	(0x00000040)
153 #define SD_STATUS_D3	(0x00000080)
154 #define SD_STATUS_xx2	(0x00000300)
155 #define SD_STATUS_NE	(0x00000400)
156 #define SD_STATUS_TU	(0x00000800)
157 #define SD_STATUS_TO	(0x00001000)
158 #define SD_STATUS_RU	(0x00002000)
159 #define SD_STATUS_RO	(0x00004000)
160 #define SD_STATUS_I	(0x00008000)
161 #define SD_STATUS_CR	(0x00010000)
162 #define SD_STATUS_RAT	(0x00020000)
163 #define SD_STATUS_DD	(0x00040000)
164 #define SD_STATUS_DT	(0x00080000)
165 #define SD_STATUS_SC	(0x00100000)
166 #define SD_STATUS_RC	(0x00200000)
167 #define SD_STATUS_WC	(0x00400000)
168 #define SD_STATUS_xx3	(0x00800000)
169 #define SD_STATUS_TH	(0x01000000)
170 #define SD_STATUS_TE	(0x02000000)
171 #define SD_STATUS_TA	(0x04000000)
172 #define SD_STATUS_RH	(0x08000000)
173 #define SD_STATUS_RA	(0x10000000)
174 #define SD_STATUS_RF	(0x20000000)
175 #define SD_STATUS_CD	(0x40000000)
176 #define SD_STATUS_SI	(0x80000000)
177 
178 
179 /*
180  *  SD_CMD bit definitions.
181  */
182 #define SD_CMD_GO	(0x00000001)
183 #define SD_CMD_RY	(0x00000002)
184 #define SD_CMD_xx1	(0x0000000c)
185 #define SD_CMD_CT_MASK	(0x000000f0)
186 #define SD_CMD_CT_0	(0x00000000)
187 #define SD_CMD_CT_1	(0x00000010)
188 #define SD_CMD_CT_2	(0x00000020)
189 #define SD_CMD_CT_3	(0x00000030)
190 #define SD_CMD_CT_4	(0x00000040)
191 #define SD_CMD_CT_5	(0x00000050)
192 #define SD_CMD_CT_6	(0x00000060)
193 #define SD_CMD_CT_7	(0x00000070)
194 #define SD_CMD_CI	(0x0000ff00)
195 #define SD_CMD_CI_SHIFT		(8)
196 #define SD_CMD_RT_MASK	(0x00ff0000)
197 #define SD_CMD_RT_0	(0x00000000)
198 #define SD_CMD_RT_1	(0x00010000)
199 #define SD_CMD_RT_2	(0x00020000)
200 #define SD_CMD_RT_3	(0x00030000)
201 #define SD_CMD_RT_4	(0x00040000)
202 #define SD_CMD_RT_5	(0x00050000)
203 #define SD_CMD_RT_6	(0x00060000)
204 #define SD_CMD_RT_1B	(0x00810000)
205 
206 
207 #endif /* __ASM_AU1100_MMC_H */
208