2 * ARM PrimeCell MultiMedia Card Interface - PL180
4 * Copyright (C) ST-Ericsson SA 2010
6 * Author: Ulf Hansson <ulf.hansson@stericsson.com>
7 * Author: Martin Lundholm <martin.xa.lundholm@stericsson.com>
8 * Ported to drivers/mmc/ by: Matt Waddel <matt.waddel@linaro.org>
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #ifndef __ARM_PL180_MMCI_H__
27 #define __ARM_PL180_MMCI_H__
29 int arm_pl180_mmci_init(void);
31 #define COMMAND_REG_DELAY 300
32 #define DATA_REG_DELAY 1000
33 #define CLK_CHANGE_DELAY 2000
35 #define INIT_PWR 0xBF /* Power on, full power, not open drain */
36 #define ARM_MCLK (100*1000*1000)
38 /* SDI Power Control register bits */
39 #define SDI_PWR_PWRCTRL_MASK 0x00000003
40 #define SDI_PWR_PWRCTRL_ON 0x00000003
41 #define SDI_PWR_PWRCTRL_OFF 0x00000000
42 #define SDI_PWR_DAT2DIREN 0x00000004
43 #define SDI_PWR_CMDDIREN 0x00000008
44 #define SDI_PWR_DAT0DIREN 0x00000010
45 #define SDI_PWR_DAT31DIREN 0x00000020
46 #define SDI_PWR_OPD 0x00000040
47 #define SDI_PWR_FBCLKEN 0x00000080
48 #define SDI_PWR_DAT74DIREN 0x00000100
49 #define SDI_PWR_RSTEN 0x00000200
51 #define VOLTAGE_WINDOW_MMC 0x00FF8080
52 #define VOLTAGE_WINDOW_SD 0x80010000
54 /* SDI clock control register bits */
55 #define SDI_CLKCR_CLKDIV_MASK 0x000000FF
56 #define SDI_CLKCR_CLKEN 0x00000100
57 #define SDI_CLKCR_PWRSAV 0x00000200
58 #define SDI_CLKCR_BYPASS 0x00000400
59 #define SDI_CLKCR_WIDBUS_MASK 0x00001800
60 #define SDI_CLKCR_WIDBUS_1 0x00000000
61 #define SDI_CLKCR_WIDBUS_4 0x00000800
63 #define SDI_CLKCR_CLKDIV_INIT 0x000000C6 /* MCLK/(2*(0xC6+1)) => 505KHz */
65 /* SDI command register bits */
66 #define SDI_CMD_CMDINDEX_MASK 0x000000FF
67 #define SDI_CMD_WAITRESP 0x00000040
68 #define SDI_CMD_LONGRESP 0x00000080
69 #define SDI_CMD_WAITINT 0x00000100
70 #define SDI_CMD_WAITPEND 0x00000200
71 #define SDI_CMD_CPSMEN 0x00000400
72 #define SDI_CMD_SDIOSUSPEND 0x00000800
73 #define SDI_CMD_ENDCMDCOMPL 0x00001000
74 #define SDI_CMD_NIEN 0x00002000
75 #define SDI_CMD_CE_ATACMD 0x00004000
76 #define SDI_CMD_CBOOTMODEEN 0x00008000
78 #define SDI_DTIMER_DEFAULT 0xFFFF0000
80 /* SDI Status register bits */
81 #define SDI_STA_CCRCFAIL 0x00000001
82 #define SDI_STA_DCRCFAIL 0x00000002
83 #define SDI_STA_CTIMEOUT 0x00000004
84 #define SDI_STA_DTIMEOUT 0x00000008
85 #define SDI_STA_TXUNDERR 0x00000010
86 #define SDI_STA_RXOVERR 0x00000020
87 #define SDI_STA_CMDREND 0x00000040
88 #define SDI_STA_CMDSENT 0x00000080
89 #define SDI_STA_DATAEND 0x00000100
90 #define SDI_STA_STBITERR 0x00000200
91 #define SDI_STA_DBCKEND 0x00000400
92 #define SDI_STA_CMDACT 0x00000800
93 #define SDI_STA_TXACT 0x00001000
94 #define SDI_STA_RXACT 0x00002000
95 #define SDI_STA_TXFIFOBW 0x00004000
96 #define SDI_STA_RXFIFOBR 0x00008000
97 #define SDI_STA_TXFIFOF 0x00010000
98 #define SDI_STA_RXFIFOF 0x00020000
99 #define SDI_STA_TXFIFOE 0x00040000
100 #define SDI_STA_RXFIFOE 0x00080000
101 #define SDI_STA_TXDAVL 0x00100000
102 #define SDI_STA_RXDAVL 0x00200000
103 #define SDI_STA_SDIOIT 0x00400000
104 #define SDI_STA_CEATAEND 0x00800000
105 #define SDI_STA_CARDBUSY 0x01000000
106 #define SDI_STA_BOOTMODE 0x02000000
107 #define SDI_STA_BOOTACKERR 0x04000000
108 #define SDI_STA_BOOTACKTIMEOUT 0x08000000
109 #define SDI_STA_RSTNEND 0x10000000
111 /* SDI Interrupt Clear register bits */
112 #define SDI_ICR_MASK 0x1DC007FF
113 #define SDI_ICR_CCRCFAILC 0x00000001
114 #define SDI_ICR_DCRCFAILC 0x00000002
115 #define SDI_ICR_CTIMEOUTC 0x00000004
116 #define SDI_ICR_DTIMEOUTC 0x00000008
117 #define SDI_ICR_TXUNDERRC 0x00000010
118 #define SDI_ICR_RXOVERRC 0x00000020
119 #define SDI_ICR_CMDRENDC 0x00000040
120 #define SDI_ICR_CMDSENTC 0x00000080
121 #define SDI_ICR_DATAENDC 0x00000100
122 #define SDI_ICR_STBITERRC 0x00000200
123 #define SDI_ICR_DBCKENDC 0x00000400
124 #define SDI_ICR_SDIOITC 0x00400000
125 #define SDI_ICR_CEATAENDC 0x00800000
126 #define SDI_ICR_BUSYENDC 0x01000000
127 #define SDI_ICR_BOOTACKERRC 0x04000000
128 #define SDI_ICR_BOOTACKTIMEOUTC 0x08000000
129 #define SDI_ICR_RSTNENDC 0x10000000
131 #define SDI_MASK0_MASK 0x1FFFFFFF
133 /* SDI Data control register bits */
134 #define SDI_DCTRL_DTEN 0x00000001
135 #define SDI_DCTRL_DTDIR_IN 0x00000002
136 #define SDI_DCTRL_DTMODE_STREAM 0x00000004
137 #define SDI_DCTRL_DMAEN 0x00000008
138 #define SDI_DCTRL_DBLKSIZE_MASK 0x000000F0
139 #define SDI_DCTRL_RWSTART 0x00000100
140 #define SDI_DCTRL_RWSTOP 0x00000200
141 #define SDI_DCTRL_RWMOD 0x00000200
142 #define SDI_DCTRL_SDIOEN 0x00000800
143 #define SDI_DCTRL_DMAREQCTL 0x00001000
144 #define SDI_DCTRL_DBOOTMODEEN 0x00002000
145 #define SDI_DCTRL_BUSYMODE 0x00004000
146 #define SDI_DCTRL_DDR_MODE 0x00008000
148 #define SDI_FIFO_BURST_SIZE 8
150 struct sdi_registers {
153 u32 argument; /* 0x08*/
154 u32 command; /* 0x0c*/
155 u32 respcommand; /* 0x10*/
156 u32 response0; /* 0x14*/
157 u32 response1; /* 0x18*/
158 u32 response2; /* 0x1c*/
159 u32 response3; /* 0x20*/
160 u32 datatimer; /* 0x24*/
161 u32 datalength; /* 0x28*/
162 u32 datactrl; /* 0x2c*/
163 u32 datacount; /* 0x30*/
164 u32 status; /* 0x34*/
165 u32 status_clear; /* 0x38*/
168 u32 card_select; /* 0x44*/
169 u32 fifo_count; /* 0x48*/
170 u32 padding1[(0x80-0x4C)>>2];
172 u32 padding2[(0xFE0-0x84)>>2];
173 u32 periph_id0; /* 0xFE0 mmc Peripheral Identifcation Register*/
174 u32 periph_id1; /* 0xFE4*/
175 u32 periph_id2; /* 0xFE8*/
176 u32 periph_id3; /* 0xFEC*/
177 u32 pcell_id0; /* 0xFF0*/
178 u32 pcell_id1; /* 0xFF4*/
179 u32 pcell_id2; /* 0xFF8*/
180 u32 pcell_id3; /* 0xFFC*/