1 /*
2  * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of
7  * the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
17  * MA 02111-1307 USA
18  */
19 
20 #ifndef __REGS_MMC_H__
21 #define __REGS_MMC_H__
22 
23 #define MMC0_BASE	0x41100000
24 #define MMC1_BASE	0x42000000
25 
26 int pxa_mmc_register(int card_index);
27 
28 struct pxa_mmc_regs {
29 	uint32_t	strpcl;
30 	uint32_t	stat;
31 	uint32_t	clkrt;
32 	uint32_t	spi;
33 	uint32_t	cmdat;
34 	uint32_t	resto;
35 	uint32_t	rdto;
36 	uint32_t	blklen;
37 	uint32_t	nob;
38 	uint32_t	prtbuf;
39 	uint32_t	i_mask;
40 	uint32_t	i_reg;
41 	uint32_t	cmd;
42 	uint32_t	argh;
43 	uint32_t	argl;
44 	uint32_t	res;
45 	uint32_t	rxfifo;
46 	uint32_t	txfifo;
47 };
48 
49 /* MMC_STRPCL */
50 #define MMC_STRPCL_STOP_CLK		(1 << 0)
51 #define MMC_STRPCL_START_CLK		(1 << 1)
52 
53 /* MMC_STAT */
54 #define MMC_STAT_END_CMD_RES		(1 << 13)
55 #define MMC_STAT_PRG_DONE		(1 << 12)
56 #define MMC_STAT_DATA_TRAN_DONE		(1 << 11)
57 #define MMC_STAT_CLK_EN			(1 << 8)
58 #define MMC_STAT_RECV_FIFO_FULL		(1 << 7)
59 #define MMC_STAT_XMIT_FIFO_EMPTY	(1 << 6)
60 #define MMC_STAT_RES_CRC_ERROR		(1 << 5)
61 #define MMC_STAT_SPI_READ_ERROR_TOKEN	(1 << 4)
62 #define MMC_STAT_CRC_READ_ERROR		(1 << 3)
63 #define MMC_STAT_CRC_WRITE_ERROR	(1 << 2)
64 #define MMC_STAT_TIME_OUT_RESPONSE	(1 << 1)
65 #define MMC_STAT_READ_TIME_OUT		(1 << 0)
66 
67 /* MMC_CLKRT */
68 #define MMC_CLKRT_20MHZ			0
69 #define MMC_CLKRT_10MHZ			1
70 #define MMC_CLKRT_5MHZ			2
71 #define MMC_CLKRT_2_5MHZ		3
72 #define MMC_CLKRT_1_25MHZ		4
73 #define MMC_CLKRT_0_625MHZ		5
74 #define MMC_CLKRT_0_3125MHZ		6
75 
76 /* MMC_SPI */
77 #define MMC_SPI_EN			(1 << 0)
78 #define MMC_SPI_CS_EN			(1 << 2)
79 #define MMC_SPI_CS_ADDRESS		(1 << 3)
80 #define MMC_SPI_CRC_ON			(1 << 1)
81 
82 /* MMC_CMDAT */
83 #define MMC_CMDAT_SD_4DAT		(1 << 8)
84 #define MMC_CMDAT_MMC_DMA_EN		(1 << 7)
85 #define MMC_CMDAT_INIT			(1 << 6)
86 #define MMC_CMDAT_BUSY			(1 << 5)
87 #define MMC_CMDAT_BCR			(MMC_CMDAT_BUSY | MMC_CMDAT_INIT)
88 #define MMC_CMDAT_STREAM		(1 << 4)
89 #define MMC_CMDAT_WRITE			(1 << 3)
90 #define MMC_CMDAT_DATA_EN		(1 << 2)
91 #define MMC_CMDAT_R0			0
92 #define MMC_CMDAT_R1			1
93 #define MMC_CMDAT_R2			2
94 #define MMC_CMDAT_R3			3
95 
96 /* MMC_RESTO */
97 #define MMC_RES_TO_MAX_MASK		0x7f
98 
99 /* MMC_RDTO */
100 #define MMC_READ_TO_MAX_MASK		0xffff
101 
102 /* MMC_BLKLEN */
103 #define MMC_BLK_LEN_MAX_MASK		0x3ff
104 
105 /* MMC_PRTBUF */
106 #define MMC_PRTBUF_BUF_PART_FULL	(1 << 0)
107 
108 /* MMC_I_MASK */
109 #define MMC_I_MASK_TXFIFO_WR_REQ	(1 << 6)
110 #define MMC_I_MASK_RXFIFO_RD_REQ	(1 << 5)
111 #define MMC_I_MASK_CLK_IS_OFF		(1 << 4)
112 #define MMC_I_MASK_STOP_CMD		(1 << 3)
113 #define MMC_I_MASK_END_CMD_RES		(1 << 2)
114 #define MMC_I_MASK_PRG_DONE		(1 << 1)
115 #define MMC_I_MASK_DATA_TRAN_DONE	(1 << 0)
116 #define MMC_I_MASK_ALL			0x7f
117 
118 
119 /* MMC_I_REG */
120 #define MMC_I_REG_TXFIFO_WR_REQ		(1 << 6)
121 #define MMC_I_REG_RXFIFO_RD_REQ		(1 << 5)
122 #define MMC_I_REG_CLK_IS_OFF		(1 << 4)
123 #define MMC_I_REG_STOP_CMD		(1 << 3)
124 #define MMC_I_REG_END_CMD_RES		(1 << 2)
125 #define MMC_I_REG_PRG_DONE		(1 << 1)
126 #define MMC_I_REG_DATA_TRAN_DONE	(1 << 0)
127 
128 /* MMC_CMD */
129 #define MMC_CMD_INDEX_MAX		0x6f
130 
131 #define MMC_R1_IDLE_STATE		0x01
132 #define MMC_R1_ERASE_STATE		0x02
133 #define MMC_R1_ILLEGAL_CMD		0x04
134 #define MMC_R1_COM_CRC_ERR		0x08
135 #define MMC_R1_ERASE_SEQ_ERR		0x01
136 #define MMC_R1_ADDR_ERR			0x02
137 #define MMC_R1_PARAM_ERR		0x04
138 
139 #define MMC_R1B_WP_ERASE_SKIP		0x0002
140 #define MMC_R1B_ERR			0x0004
141 #define MMC_R1B_CC_ERR			0x0008
142 #define MMC_R1B_CARD_ECC_ERR		0x0010
143 #define MMC_R1B_WP_VIOLATION		0x0020
144 #define MMC_R1B_ERASE_PARAM		0x0040
145 #define MMC_R1B_OOR			0x0080
146 #define MMC_R1B_IDLE_STATE		0x0100
147 #define MMC_R1B_ERASE_RESET		0x0200
148 #define MMC_R1B_ILLEGAL_CMD		0x0400
149 #define MMC_R1B_COM_CRC_ERR		0x0800
150 #define MMC_R1B_ERASE_SEQ_ERR		0x1000
151 #define MMC_R1B_ADDR_ERR		0x2000
152 #define MMC_R1B_PARAM_ERR		0x4000
153 
154 #endif	/* __REGS_MMC_H__ */
155