[people/ms/u-boot.git] / drivers / serial / atmel_usart.h

/*
 * Register definitions for the Atmel USART3 module.
 *
 * Copyright (C) 2005-2006 Atmel Corporation
 *
 * Modified to support C structure SoC access by
 * Andreas Bießmann <biessmann@corscience.de>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
#ifndef __DRIVERS_ATMEL_USART_H__
#define __DRIVERS_ATMEL_USART_H__

/* USART3 register footprint */
typedef struct atmel_usart3 {
	u32	cr;
	u32	mr;
	u32	ier;
	u32	idr;
	u32	imr;
	u32	csr;
	u32	rhr;
	u32	thr;
	u32	brgr;
	u32	rtor;
	u32	ttgr;
	u32	reserved0[5];
	u32	fidi;
	u32	ner;
	u32	reserved1;
	u32	ifr;
	u32	man;
	u32	reserved2[54]; /* version and PDC not needed */
} atmel_usart3_t;

/* Bitfields in CR */
#define USART3_RSTRX_OFFSET			2
#define USART3_RSTRX_SIZE			1
#define USART3_RSTTX_OFFSET			3
#define USART3_RSTTX_SIZE			1
#define USART3_RXEN_OFFSET			4
#define USART3_RXEN_SIZE			1
#define USART3_RXDIS_OFFSET			5
#define USART3_RXDIS_SIZE			1
#define USART3_TXEN_OFFSET			6
#define USART3_TXEN_SIZE			1
#define USART3_TXDIS_OFFSET			7
#define USART3_TXDIS_SIZE			1
#define USART3_RSTSTA_OFFSET			8
#define USART3_RSTSTA_SIZE			1
#define USART3_STTBRK_OFFSET			9
#define USART3_STTBRK_SIZE			1
#define USART3_STPBRK_OFFSET			10
#define USART3_STPBRK_SIZE			1
#define USART3_STTTO_OFFSET			11
#define USART3_STTTO_SIZE			1
#define USART3_SENDA_OFFSET			12
#define USART3_SENDA_SIZE			1
#define USART3_RSTIT_OFFSET			13
#define USART3_RSTIT_SIZE			1
#define USART3_RSTNACK_OFFSET			14
#define USART3_RSTNACK_SIZE			1
#define USART3_RETTO_OFFSET			15
#define USART3_RETTO_SIZE			1
#define USART3_DTREN_OFFSET			16
#define USART3_DTREN_SIZE			1
#define USART3_DTRDIS_OFFSET			17
#define USART3_DTRDIS_SIZE			1
#define USART3_RTSEN_OFFSET			18
#define USART3_RTSEN_SIZE			1
#define USART3_RTSDIS_OFFSET			19
#define USART3_RTSDIS_SIZE			1
#define USART3_COMM_TX_OFFSET			30
#define USART3_COMM_TX_SIZE			1
#define USART3_COMM_RX_OFFSET			31
#define USART3_COMM_RX_SIZE			1

/* Bitfields in MR */
#define USART3_USART_MODE_OFFSET		0
#define USART3_USART_MODE_SIZE			4
#define USART3_USCLKS_OFFSET			4
#define USART3_USCLKS_SIZE			2
#define USART3_CHRL_OFFSET			6
#define USART3_CHRL_SIZE			2
#define USART3_SYNC_OFFSET			8
#define USART3_SYNC_SIZE			1
#define USART3_PAR_OFFSET			9
#define USART3_PAR_SIZE				3
#define USART3_NBSTOP_OFFSET			12
#define USART3_NBSTOP_SIZE			2
#define USART3_CHMODE_OFFSET			14
#define USART3_CHMODE_SIZE			2
#define USART3_MSBF_OFFSET			16
#define USART3_MSBF_SIZE			1
#define USART3_MODE9_OFFSET			17
#define USART3_MODE9_SIZE			1
#define USART3_CLKO_OFFSET			18
#define USART3_CLKO_SIZE			1
#define USART3_OVER_OFFSET			19
#define USART3_OVER_SIZE			1
#define USART3_INACK_OFFSET			20
#define USART3_INACK_SIZE			1
#define USART3_DSNACK_OFFSET			21
#define USART3_DSNACK_SIZE			1
#define USART3_MAX_ITERATION_OFFSET		24
#define USART3_MAX_ITERATION_SIZE		3
#define USART3_FILTER_OFFSET			28
#define USART3_FILTER_SIZE			1

/* Bitfields in CSR */
#define USART3_RXRDY_OFFSET			0
#define USART3_RXRDY_SIZE			1
#define USART3_TXRDY_OFFSET			1
#define USART3_TXRDY_SIZE			1
#define USART3_RXBRK_OFFSET			2
#define USART3_RXBRK_SIZE			1
#define USART3_ENDRX_OFFSET			3
#define USART3_ENDRX_SIZE			1
#define USART3_ENDTX_OFFSET			4
#define USART3_ENDTX_SIZE			1
#define USART3_OVRE_OFFSET			5
#define USART3_OVRE_SIZE			1
#define USART3_FRAME_OFFSET			6
#define USART3_FRAME_SIZE			1
#define USART3_PARE_OFFSET			7
#define USART3_PARE_SIZE			1
#define USART3_TIMEOUT_OFFSET			8
#define USART3_TIMEOUT_SIZE			1
#define USART3_TXEMPTY_OFFSET			9
#define USART3_TXEMPTY_SIZE			1
#define USART3_ITERATION_OFFSET			10
#define USART3_ITERATION_SIZE			1
#define USART3_TXBUFE_OFFSET			11
#define USART3_TXBUFE_SIZE			1
#define USART3_RXBUFF_OFFSET			12
#define USART3_RXBUFF_SIZE			1
#define USART3_NACK_OFFSET			13
#define USART3_NACK_SIZE			1
#define USART3_RIIC_OFFSET			16
#define USART3_RIIC_SIZE			1
#define USART3_DSRIC_OFFSET			17
#define USART3_DSRIC_SIZE			1
#define USART3_DCDIC_OFFSET			18
#define USART3_DCDIC_SIZE			1
#define USART3_CTSIC_OFFSET			19
#define USART3_CTSIC_SIZE			1
#define USART3_RI_OFFSET			20
#define USART3_RI_SIZE				1
#define USART3_DSR_OFFSET			21
#define USART3_DSR_SIZE				1
#define USART3_DCD_OFFSET			22
#define USART3_DCD_SIZE				1
#define USART3_CTS_OFFSET			23
#define USART3_CTS_SIZE				1

/* Bitfields in RHR */
#define USART3_RXCHR_OFFSET			0
#define USART3_RXCHR_SIZE			9

/* Bitfields in THR */
#define USART3_TXCHR_OFFSET			0
#define USART3_TXCHR_SIZE			9

/* Bitfields in BRGR */
#define USART3_CD_OFFSET			0
#define USART3_CD_SIZE				16

/* Bitfields in RTOR */
#define USART3_TO_OFFSET			0
#define USART3_TO_SIZE				16

/* Bitfields in TTGR */
#define USART3_TG_OFFSET			0
#define USART3_TG_SIZE				8

/* Bitfields in FIDI */
#define USART3_FI_DI_RATIO_OFFSET		0
#define USART3_FI_DI_RATIO_SIZE			11

/* Bitfields in NER */
#define USART3_NB_ERRORS_OFFSET			0
#define USART3_NB_ERRORS_SIZE			8

/* Bitfields in XXR */
#define USART3_XOFF_OFFSET			0
#define USART3_XOFF_SIZE			8
#define USART3_XON_OFFSET			8
#define USART3_XON_SIZE				8

/* Bitfields in IFR */
#define USART3_IRDA_FILTER_OFFSET		0
#define USART3_IRDA_FILTER_SIZE			8

/* Bitfields in RCR */
#define USART3_RXCTR_OFFSET			0
#define USART3_RXCTR_SIZE			16

/* Bitfields in TCR */
#define USART3_TXCTR_OFFSET			0
#define USART3_TXCTR_SIZE			16

/* Bitfields in RNCR */
#define USART3_RXNCR_OFFSET			0
#define USART3_RXNCR_SIZE			16

/* Bitfields in TNCR */
#define USART3_TXNCR_OFFSET			0
#define USART3_TXNCR_SIZE			16

/* Bitfields in PTCR */
#define USART3_RXTEN_OFFSET			0
#define USART3_RXTEN_SIZE			1
#define USART3_RXTDIS_OFFSET			1
#define USART3_RXTDIS_SIZE			1
#define USART3_TXTEN_OFFSET			8
#define USART3_TXTEN_SIZE			1
#define USART3_TXTDIS_OFFSET			9
#define USART3_TXTDIS_SIZE			1

/* Constants for USART_MODE */
#define USART3_USART_MODE_NORMAL		0
#define USART3_USART_MODE_RS485			1
#define USART3_USART_MODE_HARDWARE		2
#define USART3_USART_MODE_MODEM			3
#define USART3_USART_MODE_ISO7816_T0		4
#define USART3_USART_MODE_ISO7816_T1		6
#define USART3_USART_MODE_IRDA			8

/* Constants for USCLKS */
#define USART3_USCLKS_MCK			0
#define USART3_USCLKS_MCK_DIV			1
#define USART3_USCLKS_SCK			3

/* Constants for CHRL */
#define USART3_CHRL_5				0
#define USART3_CHRL_6				1
#define USART3_CHRL_7				2
#define USART3_CHRL_8				3

/* Constants for PAR */
#define USART3_PAR_EVEN				0
#define USART3_PAR_ODD				1
#define USART3_PAR_SPACE			2
#define USART3_PAR_MARK				3
#define USART3_PAR_NONE				4
#define USART3_PAR_MULTI			6

/* Constants for NBSTOP */
#define USART3_NBSTOP_1				0
#define USART3_NBSTOP_1_5			1
#define USART3_NBSTOP_2				2

/* Constants for CHMODE */
#define USART3_CHMODE_NORMAL			0
#define USART3_CHMODE_ECHO			1
#define USART3_CHMODE_LOCAL_LOOP		2
#define USART3_CHMODE_REMOTE_LOOP		3

/* Constants for MSBF */
#define USART3_MSBF_LSBF			0
#define USART3_MSBF_MSBF			1

/* Constants for OVER */
#define USART3_OVER_X16				0
#define USART3_OVER_X8				1

/* Constants for CD */
#define USART3_CD_DISABLE			0
#define USART3_CD_BYPASS			1

/* Constants for TO */
#define USART3_TO_DISABLE			0

/* Constants for TG */
#define USART3_TG_DISABLE			0

/* Constants for FI_DI_RATIO */
#define USART3_FI_DI_RATIO_DISABLE		0

/* Bit manipulation macros */
#define USART3_BIT(name)				\
	(1 << USART3_##name##_OFFSET)
#define USART3_BF(name,value)				\
	(((value) & ((1 << USART3_##name##_SIZE) - 1))	\
	 << USART3_##name##_OFFSET)
#define USART3_BFEXT(name,value)			\
	(((value) >> USART3_##name##_OFFSET)		\
	 & ((1 << USART3_##name##_SIZE) - 1))
#define USART3_BFINS(name,value,old)			\
	(((old) & ~(((1 << USART3_##name##_SIZE) - 1)	\
		    << USART3_##name##_OFFSET))		\
	 | USART3_BF(name,value))

#endif /* __DRIVERS_ATMEL_USART_H__ */
Commit	Line	Data
f93ae788 WD	1	/*
	2	* Register definitions for the Atmel USART3 module.
	3	*
	4	* Copyright (C) 2005-2006 Atmel Corporation
	5	*
125637c5 AB	6	* Modified to support C structure SoC access by
	7	* Andreas Bießmann <biessmann@corscience.de>
	8	*
1a459660	9	* SPDX-License-Identifier: GPL-2.0+
f93ae788 WD	10	*/
	11	#ifndef __DRIVERS_ATMEL_USART_H__
	12	#define __DRIVERS_ATMEL_USART_H__
	13
125637c5 AB	14	/* USART3 register footprint */
	15	typedef struct atmel_usart3 {
	16	u32 cr;
	17	u32 mr;
	18	u32 ier;
	19	u32 idr;
	20	u32 imr;
	21	u32 csr;
	22	u32 rhr;
	23	u32 thr;
	24	u32 brgr;
	25	u32 rtor;
	26	u32 ttgr;
	27	u32 reserved0[5];
	28	u32 fidi;
	29	u32 ner;
	30	u32 reserved1;
	31	u32 ifr;
	32	u32 man;
071bc923	33	u32 reserved2[54]; /* version and PDC not needed */
125637c5	34	} atmel_usart3_t;
f93ae788 WD	35
	36	/* Bitfields in CR */
	37	#define USART3_RSTRX_OFFSET 2
	38	#define USART3_RSTRX_SIZE 1
	39	#define USART3_RSTTX_OFFSET 3
	40	#define USART3_RSTTX_SIZE 1
	41	#define USART3_RXEN_OFFSET 4
	42	#define USART3_RXEN_SIZE 1
	43	#define USART3_RXDIS_OFFSET 5
	44	#define USART3_RXDIS_SIZE 1
	45	#define USART3_TXEN_OFFSET 6
	46	#define USART3_TXEN_SIZE 1
	47	#define USART3_TXDIS_OFFSET 7
	48	#define USART3_TXDIS_SIZE 1
	49	#define USART3_RSTSTA_OFFSET 8
	50	#define USART3_RSTSTA_SIZE 1
	51	#define USART3_STTBRK_OFFSET 9
	52	#define USART3_STTBRK_SIZE 1
	53	#define USART3_STPBRK_OFFSET 10
	54	#define USART3_STPBRK_SIZE 1
	55	#define USART3_STTTO_OFFSET 11
	56	#define USART3_STTTO_SIZE 1
	57	#define USART3_SENDA_OFFSET 12
	58	#define USART3_SENDA_SIZE 1
	59	#define USART3_RSTIT_OFFSET 13
	60	#define USART3_RSTIT_SIZE 1
	61	#define USART3_RSTNACK_OFFSET 14
	62	#define USART3_RSTNACK_SIZE 1
	63	#define USART3_RETTO_OFFSET 15
	64	#define USART3_RETTO_SIZE 1
	65	#define USART3_DTREN_OFFSET 16
	66	#define USART3_DTREN_SIZE 1
	67	#define USART3_DTRDIS_OFFSET 17
	68	#define USART3_DTRDIS_SIZE 1
	69	#define USART3_RTSEN_OFFSET 18
	70	#define USART3_RTSEN_SIZE 1
	71	#define USART3_RTSDIS_OFFSET 19
	72	#define USART3_RTSDIS_SIZE 1
	73	#define USART3_COMM_TX_OFFSET 30
	74	#define USART3_COMM_TX_SIZE 1
	75	#define USART3_COMM_RX_OFFSET 31
	76	#define USART3_COMM_RX_SIZE 1
	77
	78	/* Bitfields in MR */
	79	#define USART3_USART_MODE_OFFSET 0
	80	#define USART3_USART_MODE_SIZE 4
	81	#define USART3_USCLKS_OFFSET 4
	82	#define USART3_USCLKS_SIZE 2
	83	#define USART3_CHRL_OFFSET 6
	84	#define USART3_CHRL_SIZE 2
	85	#define USART3_SYNC_OFFSET 8
	86	#define USART3_SYNC_SIZE 1
	87	#define USART3_PAR_OFFSET 9
	88	#define USART3_PAR_SIZE 3
	89	#define USART3_NBSTOP_OFFSET 12
	90	#define USART3_NBSTOP_SIZE 2
	91	#define USART3_CHMODE_OFFSET 14
	92	#define USART3_CHMODE_SIZE 2
	93	#define USART3_MSBF_OFFSET 16
	94	#define USART3_MSBF_SIZE 1
	95	#define USART3_MODE9_OFFSET 17
	96	#define USART3_MODE9_SIZE 1
	97	#define USART3_CLKO_OFFSET 18
	98	#define USART3_CLKO_SIZE 1
99	#define USART3_OVER_OFFSET 19
100	#define USART3_OVER_SIZE 1
101	#define USART3_INACK_OFFSET 20
102	#define USART3_INACK_SIZE 1
103	#define USART3_DSNACK_OFFSET 21
104	#define USART3_DSNACK_SIZE 1
105	#define USART3_MAX_ITERATION_OFFSET 24
106	#define USART3_MAX_ITERATION_SIZE 3
107	#define USART3_FILTER_OFFSET 28
108	#define USART3_FILTER_SIZE 1
109
110	/* Bitfields in CSR */
111	#define USART3_RXRDY_OFFSET 0
112	#define USART3_RXRDY_SIZE 1
113	#define USART3_TXRDY_OFFSET 1
114	#define USART3_TXRDY_SIZE 1
115	#define USART3_RXBRK_OFFSET 2
116	#define USART3_RXBRK_SIZE 1
117	#define USART3_ENDRX_OFFSET 3
118	#define USART3_ENDRX_SIZE 1
119	#define USART3_ENDTX_OFFSET 4
120	#define USART3_ENDTX_SIZE 1
121	#define USART3_OVRE_OFFSET 5
122	#define USART3_OVRE_SIZE 1
123	#define USART3_FRAME_OFFSET 6
124	#define USART3_FRAME_SIZE 1
125	#define USART3_PARE_OFFSET 7
126	#define USART3_PARE_SIZE 1
127	#define USART3_TIMEOUT_OFFSET 8
128	#define USART3_TIMEOUT_SIZE 1
129	#define USART3_TXEMPTY_OFFSET 9
130	#define USART3_TXEMPTY_SIZE 1
131	#define USART3_ITERATION_OFFSET 10
132	#define USART3_ITERATION_SIZE 1
133	#define USART3_TXBUFE_OFFSET 11
134	#define USART3_TXBUFE_SIZE 1
135	#define USART3_RXBUFF_OFFSET 12
136	#define USART3_RXBUFF_SIZE 1
137	#define USART3_NACK_OFFSET 13
138	#define USART3_NACK_SIZE 1
139	#define USART3_RIIC_OFFSET 16
140	#define USART3_RIIC_SIZE 1
141	#define USART3_DSRIC_OFFSET 17
142	#define USART3_DSRIC_SIZE 1
143	#define USART3_DCDIC_OFFSET 18
144	#define USART3_DCDIC_SIZE 1
145	#define USART3_CTSIC_OFFSET 19
146	#define USART3_CTSIC_SIZE 1
147	#define USART3_RI_OFFSET 20
148	#define USART3_RI_SIZE 1
149	#define USART3_DSR_OFFSET 21
150	#define USART3_DSR_SIZE 1
151	#define USART3_DCD_OFFSET 22
152	#define USART3_DCD_SIZE 1
153	#define USART3_CTS_OFFSET 23
154	#define USART3_CTS_SIZE 1
155
156	/* Bitfields in RHR */
157	#define USART3_RXCHR_OFFSET 0
158	#define USART3_RXCHR_SIZE 9
159
160	/* Bitfields in THR */
161	#define USART3_TXCHR_OFFSET 0
162	#define USART3_TXCHR_SIZE 9
163
164	/* Bitfields in BRGR */
165	#define USART3_CD_OFFSET 0
166	#define USART3_CD_SIZE 16
167
168	/* Bitfields in RTOR */
169	#define USART3_TO_OFFSET 0
170	#define USART3_TO_SIZE 16
171
172	/* Bitfields in TTGR */
173	#define USART3_TG_OFFSET 0
174	#define USART3_TG_SIZE 8
175
176	/* Bitfields in FIDI */
177	#define USART3_FI_DI_RATIO_OFFSET 0
178	#define USART3_FI_DI_RATIO_SIZE 11
179
180	/* Bitfields in NER */
181	#define USART3_NB_ERRORS_OFFSET 0
182	#define USART3_NB_ERRORS_SIZE 8
183
184	/* Bitfields in XXR */
185	#define USART3_XOFF_OFFSET 0
186	#define USART3_XOFF_SIZE 8
187	#define USART3_XON_OFFSET 8
188	#define USART3_XON_SIZE 8
189
190	/* Bitfields in IFR */
191	#define USART3_IRDA_FILTER_OFFSET 0
192	#define USART3_IRDA_FILTER_SIZE 8
193
194	/* Bitfields in RCR */
195	#define USART3_RXCTR_OFFSET 0
196	#define USART3_RXCTR_SIZE 16
197
198	/* Bitfields in TCR */
199	#define USART3_TXCTR_OFFSET 0
200	#define USART3_TXCTR_SIZE 16
201
202	/* Bitfields in RNCR */
203	#define USART3_RXNCR_OFFSET 0
204	#define USART3_RXNCR_SIZE 16
205
206	/* Bitfields in TNCR */
207	#define USART3_TXNCR_OFFSET 0
208	#define USART3_TXNCR_SIZE 16
209
210	/* Bitfields in PTCR */
211	#define USART3_RXTEN_OFFSET 0
212	#define USART3_RXTEN_SIZE 1
213	#define USART3_RXTDIS_OFFSET 1
214	#define USART3_RXTDIS_SIZE 1
215	#define USART3_TXTEN_OFFSET 8
216	#define USART3_TXTEN_SIZE 1
217	#define USART3_TXTDIS_OFFSET 9
218	#define USART3_TXTDIS_SIZE 1
219
220	/* Constants for USART_MODE */
221	#define USART3_USART_MODE_NORMAL 0
222	#define USART3_USART_MODE_RS485 1
223	#define USART3_USART_MODE_HARDWARE 2
224	#define USART3_USART_MODE_MODEM 3
225	#define USART3_USART_MODE_ISO7816_T0 4
226	#define USART3_USART_MODE_ISO7816_T1 6
227	#define USART3_USART_MODE_IRDA 8
228
229	/* Constants for USCLKS */
230	#define USART3_USCLKS_MCK 0
231	#define USART3_USCLKS_MCK_DIV 1
232	#define USART3_USCLKS_SCK 3
233
234	/* Constants for CHRL */
235	#define USART3_CHRL_5 0
236	#define USART3_CHRL_6 1
237	#define USART3_CHRL_7 2
238	#define USART3_CHRL_8 3
239
240	/* Constants for PAR */
241	#define USART3_PAR_EVEN 0
242	#define USART3_PAR_ODD 1
243	#define USART3_PAR_SPACE 2
244	#define USART3_PAR_MARK 3
245	#define USART3_PAR_NONE 4
246	#define USART3_PAR_MULTI 6
247
248	/* Constants for NBSTOP */
249	#define USART3_NBSTOP_1 0
250	#define USART3_NBSTOP_1_5 1
251	#define USART3_NBSTOP_2 2
252
253	/* Constants for CHMODE */
254	#define USART3_CHMODE_NORMAL 0
255	#define USART3_CHMODE_ECHO 1
256	#define USART3_CHMODE_LOCAL_LOOP 2
257	#define USART3_CHMODE_REMOTE_LOOP 3
258
259	/* Constants for MSBF */
260	#define USART3_MSBF_LSBF 0
261	#define USART3_MSBF_MSBF 1
262
263	/* Constants for OVER */
264	#define USART3_OVER_X16 0
265	#define USART3_OVER_X8 1
266
267	/* Constants for CD */
268	#define USART3_CD_DISABLE 0
269	#define USART3_CD_BYPASS 1
270
271	/* Constants for TO */
272	#define USART3_TO_DISABLE 0
273
274	/* Constants for TG */
275	#define USART3_TG_DISABLE 0
276
277	/* Constants for FI_DI_RATIO */
278	#define USART3_FI_DI_RATIO_DISABLE 0
279
280	/* Bit manipulation macros */
281	#define USART3_BIT(name) \
282	(1 << USART3_##name##_OFFSET)
283	#define USART3_BF(name,value) \
284	(((value) & ((1 << USART3_##name##_SIZE) - 1)) \
285	<< USART3_##name##_OFFSET)
286	#define USART3_BFEXT(name,value) \
287	(((value) >> USART3_##name##_OFFSET) \
288	& ((1 << USART3_##name##_SIZE) - 1))
289	#define USART3_BFINS(name,value,old) \
290	(((old) & ~(((1 << USART3_##name##_SIZE) - 1) \
291	<< USART3_##name##_OFFSET)) \
292	\| USART3_BF(name,value))
293
f93ae788	294	#endif /* __DRIVERS_ATMEL_USART_H__ */