[people/ms/u-boot.git] / drivers / mmc / atmel_mci.h

/*
 * Copyright (C) 2005-2006 Atmel Corporation
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */
#ifndef __CPU_AT32AP_ATMEL_MCI_H__
#define __CPU_AT32AP_ATMEL_MCI_H__

/* Atmel MultiMedia Card Interface (MCI) registers */
#define MMCI_CR					0x0000
#define MMCI_MR					0x0004
#define MMCI_DTOR				0x0008
#define MMCI_SDCR				0x000c
#define MMCI_ARGR				0x0010
#define MMCI_CMDR				0x0014
#define MMCI_RSPR				0x0020
#define MMCI_RSPR1				0x0024
#define MMCI_RSPR2				0x0028
#define MMCI_RSPR3				0x002c
#define MMCI_RDR				0x0030
#define MMCI_TDR				0x0034
#define MMCI_SR					0x0040
#define MMCI_IER				0x0044
#define MMCI_IDR				0x0048
#define MMCI_IMR				0x004c

/* Bitfields in CR */
#define MMCI_MCIEN_OFFSET			0
#define MMCI_MCIEN_SIZE				1
#define MMCI_MCIDIS_OFFSET			1
#define MMCI_MCIDIS_SIZE			1
#define MMCI_PWSEN_OFFSET			2
#define MMCI_PWSEN_SIZE				1
#define MMCI_PWSDIS_OFFSET			3
#define MMCI_PWSDIS_SIZE			1
#define MMCI_SWRST_OFFSET			7
#define MMCI_SWRST_SIZE				1

/* Bitfields in MR */
#define MMCI_CLKDIV_OFFSET			0
#define MMCI_CLKDIV_SIZE			8
#define MMCI_PWSDIV_OFFSET			8
#define MMCI_PWSDIV_SIZE			3
#define MMCI_RDPROOF_OFFSET			11
#define MMCI_RDPROOF_SIZE			1
#define MMCI_WRPROOF_OFFSET			12
#define MMCI_WRPROOF_SIZE			1
#define MMCI_PDCPADV_OFFSET			14
#define MMCI_PDCPADV_SIZE			1
#define MMCI_PDCMODE_OFFSET			15
#define MMCI_PDCMODE_SIZE			1
#define MMCI_BLKLEN_OFFSET			16
#define MMCI_BLKLEN_SIZE			16

/* Bitfields in DTOR */
#define MMCI_DTOCYC_OFFSET			0
#define MMCI_DTOCYC_SIZE			4
#define MMCI_DTOMUL_OFFSET			4
#define MMCI_DTOMUL_SIZE			3

/* Bitfields in SDCR */
#define MMCI_SCDSEL_OFFSET			0
#define MMCI_SCDSEL_SIZE			4
#define MMCI_SCDBUS_OFFSET			7
#define MMCI_SCDBUS_SIZE			1

/* Bitfields in ARGR */
#define MMCI_ARG_OFFSET				0
#define MMCI_ARG_SIZE				32

/* Bitfields in CMDR */
#define MMCI_CMDNB_OFFSET			0
#define MMCI_CMDNB_SIZE				6
#define MMCI_RSPTYP_OFFSET			6
#define MMCI_RSPTYP_SIZE			2
#define MMCI_SPCMD_OFFSET			8
#define MMCI_SPCMD_SIZE				3
#define MMCI_OPDCMD_OFFSET			11
#define MMCI_OPDCMD_SIZE			1
#define MMCI_MAXLAT_OFFSET			12
#define MMCI_MAXLAT_SIZE			1
#define MMCI_TRCMD_OFFSET			16
#define MMCI_TRCMD_SIZE				2
#define MMCI_TRDIR_OFFSET			18
#define MMCI_TRDIR_SIZE				1
#define MMCI_TRTYP_OFFSET			19
#define MMCI_TRTYP_SIZE				2

/* Bitfields in RSPRx */
#define MMCI_RSP_OFFSET				0
#define MMCI_RSP_SIZE				32

/* Bitfields in SR/IER/IDR/IMR */
#define MMCI_CMDRDY_OFFSET			0
#define MMCI_CMDRDY_SIZE			1
#define MMCI_RXRDY_OFFSET			1
#define MMCI_RXRDY_SIZE				1
#define MMCI_TXRDY_OFFSET			2
#define MMCI_TXRDY_SIZE				1
#define MMCI_BLKE_OFFSET			3
#define MMCI_BLKE_SIZE				1
#define MMCI_DTIP_OFFSET			4
#define MMCI_DTIP_SIZE				1
#define MMCI_NOTBUSY_OFFSET			5
#define MMCI_NOTBUSY_SIZE			1
#define MMCI_ENDRX_OFFSET			6
#define MMCI_ENDRX_SIZE				1
#define MMCI_ENDTX_OFFSET			7
#define MMCI_ENDTX_SIZE				1
#define MMCI_RXBUFF_OFFSET			14
#define MMCI_RXBUFF_SIZE			1
#define MMCI_TXBUFE_OFFSET			15
#define MMCI_TXBUFE_SIZE			1
#define MMCI_RINDE_OFFSET			16
#define MMCI_RINDE_SIZE				1
#define MMCI_RDIRE_OFFSET			17
#define MMCI_RDIRE_SIZE				1
#define MMCI_RCRCE_OFFSET			18
#define MMCI_RCRCE_SIZE				1
#define MMCI_RENDE_OFFSET			19
#define MMCI_RENDE_SIZE				1
#define MMCI_RTOE_OFFSET			20
#define MMCI_RTOE_SIZE				1
#define MMCI_DCRCE_OFFSET			21
#define MMCI_DCRCE_SIZE				1
#define MMCI_DTOE_OFFSET			22
#define MMCI_DTOE_SIZE				1
#define MMCI_OVRE_OFFSET			30
#define MMCI_OVRE_SIZE				1
#define MMCI_UNRE_OFFSET			31
#define MMCI_UNRE_SIZE				1

/* Constants for DTOMUL */
#define MMCI_DTOMUL_1_CYCLE			0
#define MMCI_DTOMUL_16_CYCLES			1
#define MMCI_DTOMUL_128_CYCLES			2
#define MMCI_DTOMUL_256_CYCLES			3
#define MMCI_DTOMUL_1024_CYCLES			4
#define MMCI_DTOMUL_4096_CYCLES			5
#define MMCI_DTOMUL_65536_CYCLES		6
#define MMCI_DTOMUL_1048576_CYCLES		7

/* Constants for RSPTYP */
#define MMCI_RSPTYP_NO_RESP			0
#define MMCI_RSPTYP_48_BIT_RESP			1
#define MMCI_RSPTYP_136_BIT_RESP		2

/* Constants for SPCMD */
#define MMCI_SPCMD_NO_SPEC_CMD			0
#define MMCI_SPCMD_INIT_CMD			1
#define MMCI_SPCMD_SYNC_CMD			2
#define MMCI_SPCMD_INT_CMD			4
#define MMCI_SPCMD_INT_RESP			5

/* Constants for TRCMD */
#define MMCI_TRCMD_NO_TRANS			0
#define MMCI_TRCMD_START_TRANS			1
#define MMCI_TRCMD_STOP_TRANS			2

/* Constants for TRTYP */
#define MMCI_TRTYP_BLOCK			0
#define MMCI_TRTYP_MULTI_BLOCK			1
#define MMCI_TRTYP_STREAM			2

/* Bit manipulation macros */
#define MMCI_BIT(name)					\
	(1 << MMCI_##name##_OFFSET)
#define MMCI_BF(name,value)				\
	(((value) & ((1 << MMCI_##name##_SIZE) - 1))	\
	 << MMCI_##name##_OFFSET)
#define MMCI_BFEXT(name,value)				\
	(((value) >> MMCI_##name##_OFFSET)\
	 & ((1 << MMCI_##name##_SIZE) - 1))
#define MMCI_BFINS(name,value,old)			\
	(((old) & ~(((1 << MMCI_##name##_SIZE) - 1)	\
		    << MMCI_##name##_OFFSET))		\
	 | MMCI_BF(name,value))

/* Register access macros */
#define mmci_readl(reg)					\
	readl((void *)MMCI_BASE + MMCI_##reg)
#define mmci_writel(reg,value)				\
	writel((value), (void *)MMCI_BASE + MMCI_##reg)

#endif /* __CPU_AT32AP_ATMEL_MCI_H__ */
Commit	Line	Data
fc26c97b HS	1	/*
	2	* Copyright (C) 2005-2006 Atmel Corporation
	3	*
	4	* See file CREDITS for list of people who contributed to this
	5	* project.
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License as
	9	* published by the Free Software Foundation; either version 2 of
	10	* the License, or (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	20	* MA 02111-1307 USA
	21	*/
	22	#ifndef __CPU_AT32AP_ATMEL_MCI_H__
	23	#define __CPU_AT32AP_ATMEL_MCI_H__
	24
	25	/* Atmel MultiMedia Card Interface (MCI) registers */
	26	#define MMCI_CR 0x0000
	27	#define MMCI_MR 0x0004
	28	#define MMCI_DTOR 0x0008
	29	#define MMCI_SDCR 0x000c
	30	#define MMCI_ARGR 0x0010
	31	#define MMCI_CMDR 0x0014
	32	#define MMCI_RSPR 0x0020
	33	#define MMCI_RSPR1 0x0024
	34	#define MMCI_RSPR2 0x0028
	35	#define MMCI_RSPR3 0x002c
	36	#define MMCI_RDR 0x0030
	37	#define MMCI_TDR 0x0034
	38	#define MMCI_SR 0x0040
	39	#define MMCI_IER 0x0044
	40	#define MMCI_IDR 0x0048
	41	#define MMCI_IMR 0x004c
	42
	43	/* Bitfields in CR */
	44	#define MMCI_MCIEN_OFFSET 0
	45	#define MMCI_MCIEN_SIZE 1
	46	#define MMCI_MCIDIS_OFFSET 1
	47	#define MMCI_MCIDIS_SIZE 1
	48	#define MMCI_PWSEN_OFFSET 2
	49	#define MMCI_PWSEN_SIZE 1
	50	#define MMCI_PWSDIS_OFFSET 3
	51	#define MMCI_PWSDIS_SIZE 1
	52	#define MMCI_SWRST_OFFSET 7
	53	#define MMCI_SWRST_SIZE 1
	54
	55	/* Bitfields in MR */
	56	#define MMCI_CLKDIV_OFFSET 0
	57	#define MMCI_CLKDIV_SIZE 8
	58	#define MMCI_PWSDIV_OFFSET 8
	59	#define MMCI_PWSDIV_SIZE 3
f0d1246e HS	60	#define MMCI_RDPROOF_OFFSET 11
	61	#define MMCI_RDPROOF_SIZE 1
	62	#define MMCI_WRPROOF_OFFSET 12
	63	#define MMCI_WRPROOF_SIZE 1
fc26c97b HS	64	#define MMCI_PDCPADV_OFFSET 14
	65	#define MMCI_PDCPADV_SIZE 1
	66	#define MMCI_PDCMODE_OFFSET 15
	67	#define MMCI_PDCMODE_SIZE 1
	68	#define MMCI_BLKLEN_OFFSET 16
	69	#define MMCI_BLKLEN_SIZE 16
	70
	71	/* Bitfields in DTOR */
	72	#define MMCI_DTOCYC_OFFSET 0
	73	#define MMCI_DTOCYC_SIZE 4
	74	#define MMCI_DTOMUL_OFFSET 4
	75	#define MMCI_DTOMUL_SIZE 3
	76
	77	/* Bitfields in SDCR */
	78	#define MMCI_SCDSEL_OFFSET 0
	79	#define MMCI_SCDSEL_SIZE 4
	80	#define MMCI_SCDBUS_OFFSET 7
	81	#define MMCI_SCDBUS_SIZE 1
	82
	83	/* Bitfields in ARGR */
	84	#define MMCI_ARG_OFFSET 0
	85	#define MMCI_ARG_SIZE 32
	86
	87	/* Bitfields in CMDR */
	88	#define MMCI_CMDNB_OFFSET 0
	89	#define MMCI_CMDNB_SIZE 6
	90	#define MMCI_RSPTYP_OFFSET 6
	91	#define MMCI_RSPTYP_SIZE 2
	92	#define MMCI_SPCMD_OFFSET 8
	93	#define MMCI_SPCMD_SIZE 3
	94	#define MMCI_OPDCMD_OFFSET 11
	95	#define MMCI_OPDCMD_SIZE 1
	96	#define MMCI_MAXLAT_OFFSET 12
	97	#define MMCI_MAXLAT_SIZE 1
	98	#define MMCI_TRCMD_OFFSET 16
	99	#define MMCI_TRCMD_SIZE 2
	100	#define MMCI_TRDIR_OFFSET 18
	101	#define MMCI_TRDIR_SIZE 1
	102	#define MMCI_TRTYP_OFFSET 19
	103	#define MMCI_TRTYP_SIZE 2
	104
	105	/* Bitfields in RSPRx */
	106	#define MMCI_RSP_OFFSET 0
	107	#define MMCI_RSP_SIZE 32
	108
	109	/* Bitfields in SR/IER/IDR/IMR */
	110	#define MMCI_CMDRDY_OFFSET 0
	111	#define MMCI_CMDRDY_SIZE 1
	112	#define MMCI_RXRDY_OFFSET 1
	113	#define MMCI_RXRDY_SIZE 1
	114	#define MMCI_TXRDY_OFFSET 2
	115	#define MMCI_TXRDY_SIZE 1
	116	#define MMCI_BLKE_OFFSET 3
	117	#define MMCI_BLKE_SIZE 1
	118	#define MMCI_DTIP_OFFSET 4
	119	#define MMCI_DTIP_SIZE 1
	120	#define MMCI_NOTBUSY_OFFSET 5
	121	#define MMCI_NOTBUSY_SIZE 1
	122	#define MMCI_ENDRX_OFFSET 6
	123	#define MMCI_ENDRX_SIZE 1
	124	#define MMCI_ENDTX_OFFSET 7
	125	#define MMCI_ENDTX_SIZE 1
	126	#define MMCI_RXBUFF_OFFSET 14
	127	#define MMCI_RXBUFF_SIZE 1
128	#define MMCI_TXBUFE_OFFSET 15
129	#define MMCI_TXBUFE_SIZE 1
130	#define MMCI_RINDE_OFFSET 16
131	#define MMCI_RINDE_SIZE 1
132	#define MMCI_RDIRE_OFFSET 17
133	#define MMCI_RDIRE_SIZE 1
134	#define MMCI_RCRCE_OFFSET 18
135	#define MMCI_RCRCE_SIZE 1
136	#define MMCI_RENDE_OFFSET 19
137	#define MMCI_RENDE_SIZE 1
138	#define MMCI_RTOE_OFFSET 20
139	#define MMCI_RTOE_SIZE 1
140	#define MMCI_DCRCE_OFFSET 21
141	#define MMCI_DCRCE_SIZE 1
142	#define MMCI_DTOE_OFFSET 22
143	#define MMCI_DTOE_SIZE 1
144	#define MMCI_OVRE_OFFSET 30
145	#define MMCI_OVRE_SIZE 1
146	#define MMCI_UNRE_OFFSET 31
147	#define MMCI_UNRE_SIZE 1
148
149	/* Constants for DTOMUL */
150	#define MMCI_DTOMUL_1_CYCLE 0
151	#define MMCI_DTOMUL_16_CYCLES 1
152	#define MMCI_DTOMUL_128_CYCLES 2
153	#define MMCI_DTOMUL_256_CYCLES 3
154	#define MMCI_DTOMUL_1024_CYCLES 4
155	#define MMCI_DTOMUL_4096_CYCLES 5
156	#define MMCI_DTOMUL_65536_CYCLES 6
157	#define MMCI_DTOMUL_1048576_CYCLES 7
158
159	/* Constants for RSPTYP */
160	#define MMCI_RSPTYP_NO_RESP 0
161	#define MMCI_RSPTYP_48_BIT_RESP 1
162	#define MMCI_RSPTYP_136_BIT_RESP 2
163
164	/* Constants for SPCMD */
165	#define MMCI_SPCMD_NO_SPEC_CMD 0
166	#define MMCI_SPCMD_INIT_CMD 1
167	#define MMCI_SPCMD_SYNC_CMD 2
168	#define MMCI_SPCMD_INT_CMD 4
169	#define MMCI_SPCMD_INT_RESP 5
170
171	/* Constants for TRCMD */
172	#define MMCI_TRCMD_NO_TRANS 0
173	#define MMCI_TRCMD_START_TRANS 1
174	#define MMCI_TRCMD_STOP_TRANS 2
175
176	/* Constants for TRTYP */
177	#define MMCI_TRTYP_BLOCK 0
178	#define MMCI_TRTYP_MULTI_BLOCK 1
179	#define MMCI_TRTYP_STREAM 2
180
181	/* Bit manipulation macros */
182	#define MMCI_BIT(name) \
183	(1 << MMCI_##name##_OFFSET)
184	#define MMCI_BF(name,value) \
185	(((value) & ((1 << MMCI_##name##_SIZE) - 1)) \
186	<< MMCI_##name##_OFFSET)
187	#define MMCI_BFEXT(name,value) \
188	(((value) >> MMCI_##name##_OFFSET)\
189	& ((1 << MMCI_##name##_SIZE) - 1))
190	#define MMCI_BFINS(name,value,old) \
191	(((old) & ~(((1 << MMCI_##name##_SIZE) - 1) \
192	<< MMCI_##name##_OFFSET)) \
193	\| MMCI_BF(name,value))
194
195	/* Register access macros */
196	#define mmci_readl(reg) \
197	readl((void *)MMCI_BASE + MMCI_##reg)
198	#define mmci_writel(reg,value) \
199	writel((value), (void *)MMCI_BASE + MMCI_##reg)
200
201	#endif /* __CPU_AT32AP_ATMEL_MCI_H__ */