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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 54652991caedc39b2ec2e5b49e750669bfcd1e2e / . / drivers / mmc / omap3_mmc.h
blob: cbb3dc3a3a63884afd344877c0496f96cb39b9d8 [file] [log] [blame]
Dirk Behmeb1c3bf92008-12-14 09:47:17 +0100[diff] [blame]1/*
2 * (C) Copyright 2008
3 * Texas Instruments, <www.ti.com>
4 * Syed Mohammed Khasim <khasim@ti.com>
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation's version 2 of
12 * the License.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * MA 02111-1307 USA
23 */
24
25#ifndef MMC_H
26#define MMC_H
27
Steve Sakomanbec3dc72010-06-09 12:54:58 -0700[diff] [blame]28#include <asm/arch/mmc_host_def.h>
Dirk Behmeb1c3bf92008-12-14 09:47:17 +0100[diff] [blame]29
30/* Responses */
31#define RSP_TYPE_NONE (RSP_TYPE_NORSP | CCCE_NOCHECK | CICE_NOCHECK)
32#define RSP_TYPE_R1 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
33#define RSP_TYPE_R1B (RSP_TYPE_LGHT48B | CCCE_CHECK | CICE_CHECK)
34#define RSP_TYPE_R2 (RSP_TYPE_LGHT136 | CCCE_CHECK | CICE_NOCHECK)
35#define RSP_TYPE_R3 (RSP_TYPE_LGHT48 | CCCE_NOCHECK | CICE_NOCHECK)
36#define RSP_TYPE_R4 (RSP_TYPE_LGHT48 | CCCE_NOCHECK | CICE_NOCHECK)
37#define RSP_TYPE_R5 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
38#define RSP_TYPE_R6 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
39#define RSP_TYPE_R7 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK)
40
41/* All supported commands */
42#define MMC_CMD0 (INDEX(0) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
43#define MMC_CMD1 (INDEX(1) | RSP_TYPE_R3 | DP_NO_DATA | DDIR_WRITE)
44#define MMC_CMD2 (INDEX(2) | RSP_TYPE_R2 | DP_NO_DATA | DDIR_WRITE)
45#define MMC_CMD3 (INDEX(3) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
46#define MMC_SDCMD3 (INDEX(3) | RSP_TYPE_R6 | DP_NO_DATA | DDIR_WRITE)
47#define MMC_CMD4 (INDEX(4) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
48#define MMC_CMD6 (INDEX(6) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE)
49#define MMC_CMD7_SELECT (INDEX(7) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE)
50#define MMC_CMD7_DESELECT (INDEX(7)| RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
51#define MMC_CMD8 (INDEX(8) | RSP_TYPE_R1 | DP_DATA | DDIR_READ)
52#define MMC_SDCMD8 (INDEX(8) | RSP_TYPE_R7 | DP_NO_DATA | DDIR_WRITE)
53#define MMC_CMD9 (INDEX(9) | RSP_TYPE_R2 | DP_NO_DATA | DDIR_WRITE)
54#define MMC_CMD12 (INDEX(12) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE)
55#define MMC_CMD13 (INDEX(13) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
56#define MMC_CMD15 (INDEX(15) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE)
57#define MMC_CMD16 (INDEX(16) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
58#define MMC_CMD17 (INDEX(17) | RSP_TYPE_R1 | DP_DATA | DDIR_READ)
59#define MMC_CMD24 (INDEX(24) | RSP_TYPE_R1 | DP_DATA | DDIR_WRITE)
60#define MMC_ACMD6 (INDEX(6) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
61#define MMC_ACMD41 (INDEX(41) | RSP_TYPE_R3 | DP_NO_DATA | DDIR_WRITE)
62#define MMC_ACMD51 (INDEX(51) | RSP_TYPE_R1 | DP_DATA | DDIR_READ)
63#define MMC_CMD55 (INDEX(55) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE)
64
65#define MMC_AC_CMD_RCA_MASK (unsigned int)(0xFFFF << 16)
66#define MMC_BC_CMD_DSR_MASK (unsigned int)(0xFFFF << 16)
67#define MMC_DSR_DEFAULT 0x0404
68#define SD_CMD8_CHECK_PATTERN 0xAA
69#define SD_CMD8_2_7_3_6_V_RANGE (0x01 << 8)
70
71/* Clock Configurations and Macros */
72
73#define MMC_CLOCK_REFERENCE 96
74#define MMC_RELATIVE_CARD_ADDRESS 0x1234
75#define MMC_INIT_SEQ_CLK (MMC_CLOCK_REFERENCE * 1000 / 80)
76#define MMC_400kHz_CLK (MMC_CLOCK_REFERENCE * 1000 / 400)
77#define CLKDR(r, f, u) ((((r)*100) / ((f)*(u))) + 1)
78#define CLKD(f, u) (CLKDR(MMC_CLOCK_REFERENCE, f, u))
79
80#define MMC_OCR_REG_ACCESS_MODE_MASK (0x3 << 29)
81#define MMC_OCR_REG_ACCESS_MODE_BYTE (0x0 << 29)
82#define MMC_OCR_REG_ACCESS_MODE_SECTOR (0x2 << 29)
83
84#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_MASK (0x1 << 30)
85#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_BYTE (0x0 << 30)
86#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_SECTOR (0x1 << 30)
87
88#define MMC_SD2_CSD_C_SIZE_LSB_MASK 0xFFFF
89#define MMC_SD2_CSD_C_SIZE_MSB_MASK 0x003F
90#define MMC_SD2_CSD_C_SIZE_MSB_OFFSET 16
91#define MMC_CSD_C_SIZE_LSB_MASK 0x0003
92#define MMC_CSD_C_SIZE_MSB_MASK 0x03FF
93#define MMC_CSD_C_SIZE_MSB_OFFSET 2
94
95#define MMC_CSD_TRAN_SPEED_UNIT_MASK (0x07 << 0)
96#define MMC_CSD_TRAN_SPEED_FACTOR_MASK (0x0F << 3)
97#define MMC_CSD_TRAN_SPEED_UNIT_100MHZ (0x3 << 0)
98#define MMC_CSD_TRAN_SPEED_FACTOR_1_0 (0x01 << 3)
99#define MMC_CSD_TRAN_SPEED_FACTOR_8_0 (0x0F << 3)
100
101typedef struct {
102 unsigned not_used:1;
103 unsigned crc:7;
104 unsigned ecc:2;
105 unsigned file_format:2;
106 unsigned tmp_write_protect:1;
107 unsigned perm_write_protect:1;
108 unsigned copy:1;
109 unsigned file_format_grp:1;
110 unsigned content_prot_app:1;
111 unsigned reserved_1:4;
112 unsigned write_bl_partial:1;
113 unsigned write_bl_len:4;
114 unsigned r2w_factor:3;
115 unsigned default_ecc:2;
116 unsigned wp_grp_enable:1;
117 unsigned wp_grp_size:5;
118 unsigned erase_grp_mult:5;
119 unsigned erase_grp_size:5;
120 unsigned c_size_mult:3;
121 unsigned vdd_w_curr_max:3;
122 unsigned vdd_w_curr_min:3;
123 unsigned vdd_r_curr_max:3;
124 unsigned vdd_r_curr_min:3;
125 unsigned c_size_lsb:2;
126 unsigned c_size_msb:10;
127 unsigned reserved_2:2;
128 unsigned dsr_imp:1;
129 unsigned read_blk_misalign:1;
130 unsigned write_blk_misalign:1;
131 unsigned read_bl_partial:1;
132 unsigned read_bl_len:4;
133 unsigned ccc:12;
134 unsigned tran_speed:8;
135 unsigned nsac:8;
136 unsigned taac:8;
137 unsigned reserved_3:2;
138 unsigned spec_vers:4;
139 unsigned csd_structure:2;
140} mmc_csd_reg_t;
141
142/* csd for sd2.0 */
143typedef struct {
144 unsigned not_used:1;
145 unsigned crc:7;
146 unsigned reserved_1:2;
147 unsigned file_format:2;
148 unsigned tmp_write_protect:1;
149 unsigned perm_write_protect:1;
150 unsigned copy:1;
151 unsigned file_format_grp:1;
152 unsigned reserved_2:5;
153 unsigned write_bl_partial:1;
154 unsigned write_bl_len:4;
155 unsigned r2w_factor:3;
156 unsigned reserved_3:2;
157 unsigned wp_grp_enable:1;
158 unsigned wp_grp_size:7;
159 unsigned sector_size:7;
160 unsigned erase_blk_len:1;
161 unsigned reserved_4:1;
162 unsigned c_size_lsb:16;
163 unsigned c_size_msb:6;
164 unsigned reserved_5:6;
165 unsigned dsr_imp:1;
166 unsigned read_blk_misalign:1;
167 unsigned write_blk_misalign:1;
168 unsigned read_bl_partial:1;
169 unsigned read_bl_len:4;
170 unsigned ccc:12;
171 unsigned tran_speed:8;
172 unsigned nsac:8;
173 unsigned taac:8;
174 unsigned reserved_6:6;
175 unsigned csd_structure:2;
176} mmc_sd2_csd_reg_t;
177
178/* extended csd - 512 bytes long */
179typedef struct {
180 unsigned char reserved_1[181];
181 unsigned char erasedmemorycontent;
182 unsigned char reserved_2;
183 unsigned char buswidthmode;
184 unsigned char reserved_3;
185 unsigned char highspeedinterfacetiming;
186 unsigned char reserved_4;
187 unsigned char powerclass;
188 unsigned char reserved_5;
189 unsigned char commandsetrevision;
190 unsigned char reserved_6;
191 unsigned char commandset;
192 unsigned char extendedcsdrevision;
193 unsigned char reserved_7;
194 unsigned char csdstructureversion;
195 unsigned char reserved_8;
196 unsigned char cardtype;
197 unsigned char reserved_9[3];
198 unsigned char powerclass_52mhz_1_95v;
199 unsigned char powerclass_26mhz_1_95v;
200 unsigned char powerclass_52mhz_3_6v;
201 unsigned char powerclass_26mhz_3_6v;
202 unsigned char reserved_10;
203 unsigned char minreadperf_4b_26mhz;
204 unsigned char minwriteperf_4b_26mhz;
205 unsigned char minreadperf_8b_26mhz_4b_52mhz;
206 unsigned char minwriteperf_8b_26mhz_4b_52mhz;
207 unsigned char minreadperf_8b_52mhz;
208 unsigned char minwriteperf_8b_52mhz;
209 unsigned char reserved_11;
210 unsigned int sectorcount;
211 unsigned char reserved_12[288];
212 unsigned char supportedcommandsets;
213 unsigned char reserved_13[7];
214} mmc_extended_csd_reg_t;
215
216/* mmc sd responce */
217typedef struct {
218 unsigned int ocr;
219} mmc_resp_r3;
220
221typedef struct {
222 unsigned short cardstatus;
223 unsigned short newpublishedrca;
224} mmc_resp_r6;
225
Dirk Behme9de02122009-09-28 08:17:50 -0400[diff] [blame]226typedef union {
227 unsigned int resp[4];
228 mmc_resp_r3 r3;
229 mmc_resp_r6 r6;
230 mmc_csd_reg_t Card_CSD;
231} mmc_resp_t;
232
Dirk Behmeb1c3bf92008-12-14 09:47:17 +0100[diff] [blame]233extern mmc_card_data mmc_dev;
234
235unsigned char mmc_lowlevel_init(void);
236unsigned char mmc_send_command(unsigned int cmd, unsigned int arg,
237 unsigned int *response);
238unsigned char mmc_setup_clock(unsigned int iclk, unsigned short clkd);
239unsigned char mmc_set_opendrain(unsigned char state);
240unsigned char mmc_read_data(unsigned int *output_buf);
241
242#endif /* MMC_H */