1 /* $Id: sh-sci.h,v 1.4 2004/02/19 16:43:56 lethal Exp $
3 * linux/drivers/serial/sh-sci.h
5 * SuperH on-chip serial module support. (SCI with no FIFO / with FIFO)
6 * Copyright (C) 1999, 2000 Niibe Yutaka
7 * Copyright (C) 2000 Greg Banks
8 * Copyright (C) 2002, 2003 Paul Mundt
9 * Modified to support multiple serial ports. Stuart Menefy (May 2000).
10 * Modified to support SH7300(SH-Mobile) SCIF. Takashi Kusuda (Jun 2003).
11 * Modified to support H8/300 Series Yoshinori Sato (Feb 2004).
12 * Removed SH7300 support (Jul 2007).
13 * Modified to support SH7720 SCIF. Markus Brunner, Mark Jonas (Aug 2007).
15 #include <linux/serial_core.h>
20 #if defined(CONFIG_H83007) || defined(CONFIG_H83068)
21 #include <asm/regs306x.h>
23 #if defined(CONFIG_H8S2678)
24 #include <asm/regs267x.h>
27 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
28 defined(CONFIG_CPU_SUBTYPE_SH7707) || \
29 defined(CONFIG_CPU_SUBTYPE_SH7708) || \
30 defined(CONFIG_CPU_SUBTYPE_SH7709)
31 # define SCPCR 0xA4000116 /* 16 bit SCI and SCIF */
32 # define SCPDR 0xA4000136 /* 8 bit SCI and SCIF */
33 # define SCSCR_INIT(port) 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */
35 #elif defined(CONFIG_CPU_SUBTYPE_SH7705)
36 # define SCIF0 0xA4400000
37 # define SCIF2 0xA4410000
38 # define SCSMR_Ir 0xA44A0000
39 # define IRDA_SCIF SCIF0
40 # define SCPCR 0xA4000116
41 # define SCPDR 0xA4000136
43 /* Set the clock source,
44 * SCIF2 (0xA4410000) -> External clock, SCK pin used as clock input
45 * SCIF0 (0xA4400000) -> Internal clock, SCK pin as serial clock output
47 # define SCSCR_INIT(port) (port->mapbase == SCIF2) ? 0xF3 : 0xF0
49 #elif defined(CONFIG_CPU_SUBTYPE_SH7720)
50 # define SCSCR_INIT(port) 0x0030 /* TIE=0,RIE=0,TE=1,RE=1 */
52 #define SCIF_ORER 0x0200 /* overrun error bit */
53 #elif defined(CONFIG_SH_RTS7751R2D)
54 # define SCSPTR2 0xFFE80020 /* 16 bit SCIF */
55 # define SCIF_ORER 0x0001 /* overrun error bit */
56 # define SCSCR_INIT(port) 0x3a /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
58 #elif defined(CONFIG_CPU_SUBTYPE_SH7750) || \
59 defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
60 defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
61 defined(CONFIG_CPU_SUBTYPE_SH7091) || \
62 defined(CONFIG_CPU_SUBTYPE_SH7751) || \
63 defined(CONFIG_CPU_SUBTYPE_SH7751R)
64 # define SCSPTR1 0xffe0001c /* 8 bit SCI */
65 # define SCSPTR2 0xFFE80020 /* 16 bit SCIF */
66 # define SCIF_ORER 0x0001 /* overrun error bit */
67 # define SCSCR_INIT(port) (((port)->type == PORT_SCI) ? \
68 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */ : \
69 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ )
71 #elif defined(CONFIG_CPU_SUBTYPE_SH7760)
72 # define SCSPTR0 0xfe600024 /* 16 bit SCIF */
73 # define SCSPTR1 0xfe610024 /* 16 bit SCIF */
74 # define SCSPTR2 0xfe620024 /* 16 bit SCIF */
75 # define SCIF_ORER 0x0001 /* overrun error bit */
76 # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
78 #elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
79 # define SCSPTR0 0xA4400000 /* 16 bit SCIF */
80 # define SCIF_ORER 0x0001 /* overrun error bit */
81 # define PACR 0xa4050100
82 # define PBCR 0xa4050102
83 # define SCSCR_INIT(port) 0x3B
85 #elif defined(CONFIG_CPU_SUBTYPE_SH7343)
86 # define SCSPTR0 0xffe00010 /* 16 bit SCIF */
87 # define SCSPTR1 0xffe10010 /* 16 bit SCIF */
88 # define SCSPTR2 0xffe20010 /* 16 bit SCIF */
89 # define SCSPTR3 0xffe30010 /* 16 bit SCIF */
90 # define SCSCR_INIT(port) 0x32 /* TIE=0,RIE=0,TE=1,RE=1,REIE=0,CKE=1 */
92 #elif defined(CONFIG_CPU_SUBTYPE_SH7722)
93 # define SCPDR0 0xA405013E /* 16 bit SCIF0 PSDR */
94 # define SCSPTR0 SCPDR0
95 # define SCIF_ORER 0x0001 /* overrun error bit */
96 # define SCSCR_INIT(port) 0x0038 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
98 # define PORT_PSCR 0xA405011E
99 #elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
100 # define SCSPTR2 0xffe80020 /* 16 bit SCIF */
101 # define SCIF_ORER 0x0001 /* overrun error bit */
102 # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
104 #elif defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103)
105 # include <asm/hardware.h>
106 # define SCIF_BASE_ADDR 0x01030000
107 # define SCIF_ADDR_SH5 PHYS_PERIPHERAL_BLOCK+SCIF_BASE_ADDR
108 # define SCIF_PTR2_OFFS 0x0000020
109 # define SCIF_LSR2_OFFS 0x0000024
110 # define SCSPTR2 ((port->mapbase)+SCIF_PTR2_OFFS) /* 16 bit SCIF */
111 # define SCLSR2 ((port->mapbase)+SCIF_LSR2_OFFS) /* 16 bit SCIF */
112 # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0, TE=1,RE=1,REIE=1 */
114 #elif defined(CONFIG_H83007) || defined(CONFIG_H83068)
115 # define SCSCR_INIT(port) 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */
117 # define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
118 #elif defined(CONFIG_H8S2678)
119 # define SCSCR_INIT(port) 0x30 /* TIE=0,RIE=0,TE=1,RE=1 */
121 # define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
122 #elif defined(CONFIG_CPU_SUBTYPE_SH7770)
123 # define SCSPTR0 0xff923020 /* 16 bit SCIF */
124 # define SCSPTR1 0xff924020 /* 16 bit SCIF */
125 # define SCSPTR2 0xff925020 /* 16 bit SCIF */
126 # define SCIF_ORER 0x0001 /* overrun error bit */
127 # define SCSCR_INIT(port) 0x3c /* TIE=0,RIE=0,TE=1,RE=1,REIE=1,cke=2 */
129 #elif defined(CONFIG_CPU_SUBTYPE_SH7780)
130 # define SCSPTR0 0xffe00024 /* 16 bit SCIF */
131 # define SCSPTR1 0xffe10024 /* 16 bit SCIF */
132 # define SCIF_ORER 0x0001 /* Overrun error bit */
133 # define SCSCR_INIT(port) 0x3a /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
135 #elif defined(CONFIG_CPU_SUBTYPE_SH7785)
136 # define SCSPTR0 0xffea0024 /* 16 bit SCIF */
137 # define SCSPTR1 0xffeb0024 /* 16 bit SCIF */
138 # define SCSPTR2 0xffec0024 /* 16 bit SCIF */
139 # define SCSPTR3 0xffed0024 /* 16 bit SCIF */
140 # define SCSPTR4 0xffee0024 /* 16 bit SCIF */
141 # define SCSPTR5 0xffef0024 /* 16 bit SCIF */
142 # define SCIF_OPER 0x0001 /* Overrun error bit */
143 # define SCSCR_INIT(port) 0x3a /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
145 #elif defined(CONFIG_CPU_SUBTYPE_SH7206)
146 # define SCSPTR0 0xfffe8020 /* 16 bit SCIF */
147 # define SCSPTR1 0xfffe8820 /* 16 bit SCIF */
148 # define SCSPTR2 0xfffe9020 /* 16 bit SCIF */
149 # define SCSPTR3 0xfffe9820 /* 16 bit SCIF */
150 # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
152 #elif defined(CONFIG_CPU_SUBTYPE_SH7619)
153 # define SCSPTR0 0xf8400020 /* 16 bit SCIF */
154 # define SCSPTR1 0xf8410020 /* 16 bit SCIF */
155 # define SCSPTR2 0xf8420020 /* 16 bit SCIF */
156 # define SCIF_ORER 0x0001 /* overrun error bit */
157 # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
159 #elif defined(CONFIG_CPU_SUBTYPE_SHX3)
160 # define SCSPTR0 0xffc30020 /* 16 bit SCIF */
161 # define SCSPTR1 0xffc40020 /* 16 bit SCIF */
162 # define SCSPTR2 0xffc50020 /* 16 bit SCIF */
163 # define SCSPTR3 0xffc60020 /* 16 bit SCIF */
164 # define SCIF_ORER 0x0001 /* Overrun error bit */
165 # define SCSCR_INIT(port) 0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
168 # error CPU subtype not defined
172 #define SCI_CTRL_FLAGS_TIE 0x80 /* all */
173 #define SCI_CTRL_FLAGS_RIE 0x40 /* all */
174 #define SCI_CTRL_FLAGS_TE 0x20 /* all */
175 #define SCI_CTRL_FLAGS_RE 0x10 /* all */
176 #if defined(CONFIG_CPU_SUBTYPE_SH7750) || \
177 defined(CONFIG_CPU_SUBTYPE_SH7091) || \
178 defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
179 defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
180 defined(CONFIG_CPU_SUBTYPE_SH7751) || \
181 defined(CONFIG_CPU_SUBTYPE_SH7751R) || \
182 defined(CONFIG_CPU_SUBTYPE_SH7780) || \
183 defined(CONFIG_CPU_SUBTYPE_SH7785) || \
184 defined(CONFIG_CPU_SUBTYPE_SHX3)
185 #define SCI_CTRL_FLAGS_REIE 0x08 /* 7750 SCIF */
187 #define SCI_CTRL_FLAGS_REIE 0
189 /* SCI_CTRL_FLAGS_MPIE 0x08 * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
190 /* SCI_CTRL_FLAGS_TEIE 0x04 * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
191 /* SCI_CTRL_FLAGS_CKE1 0x02 * all */
192 /* SCI_CTRL_FLAGS_CKE0 0x01 * 7707 SCI/SCIF, 7708 SCI, 7709 SCI/SCIF, 7750 SCI */
195 #define SCI_TDRE 0x80 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
196 #define SCI_RDRF 0x40 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
197 #define SCI_ORER 0x20 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
198 #define SCI_FER 0x10 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
199 #define SCI_PER 0x08 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
200 #define SCI_TEND 0x04 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
201 /* SCI_MPB 0x02 * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
202 /* SCI_MPBT 0x01 * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
204 #define SCI_ERRORS ( SCI_PER | SCI_FER | SCI_ORER)
207 #define SCIF_ER 0x0080 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
208 #define SCIF_TEND 0x0040 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
209 #define SCIF_TDFE 0x0020 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
210 #define SCIF_BRK 0x0010 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
211 #define SCIF_FER 0x0008 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
212 #define SCIF_PER 0x0004 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
213 #define SCIF_RDF 0x0002 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
214 #define SCIF_DR 0x0001 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
216 #if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
217 defined(CONFIG_CPU_SUBTYPE_SH7720)
218 #define SCIF_ORER 0x0200
219 #define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK | SCIF_ORER)
220 #define SCIF_RFDC_MASK 0x007f
221 #define SCIF_TXROOM_MAX 64
223 #define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK)
224 #define SCIF_RFDC_MASK 0x001f
225 #define SCIF_TXROOM_MAX 16
228 #if defined(SCI_ONLY)
229 # define SCxSR_TEND(port) SCI_TEND
230 # define SCxSR_ERRORS(port) SCI_ERRORS
231 # define SCxSR_RDxF(port) SCI_RDRF
232 # define SCxSR_TDxE(port) SCI_TDRE
233 # define SCxSR_ORER(port) SCI_ORER
234 # define SCxSR_FER(port) SCI_FER
235 # define SCxSR_PER(port) SCI_PER
236 # define SCxSR_BRK(port) 0x00
237 # define SCxSR_RDxF_CLEAR(port) 0xbc
238 # define SCxSR_ERROR_CLEAR(port) 0xc4
239 # define SCxSR_TDxE_CLEAR(port) 0x78
240 # define SCxSR_BREAK_CLEAR(port) 0xc4
241 #elif defined(SCIF_ONLY)
242 # define SCxSR_TEND(port) SCIF_TEND
243 # define SCxSR_ERRORS(port) SCIF_ERRORS
244 # define SCxSR_RDxF(port) SCIF_RDF
245 # define SCxSR_TDxE(port) SCIF_TDFE
246 #if defined(CONFIG_CPU_SUBTYPE_SH7705)
247 # define SCxSR_ORER(port) SCIF_ORER
249 # define SCxSR_ORER(port) 0x0000
251 # define SCxSR_FER(port) SCIF_FER
252 # define SCxSR_PER(port) SCIF_PER
253 # define SCxSR_BRK(port) SCIF_BRK
254 #if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
255 defined(CONFIG_CPU_SUBTYPE_SH7720)
256 # define SCxSR_RDxF_CLEAR(port) (sci_in(port,SCxSR)&0xfffc)
257 # define SCxSR_ERROR_CLEAR(port) (sci_in(port,SCxSR)&0xfd73)
258 # define SCxSR_TDxE_CLEAR(port) (sci_in(port,SCxSR)&0xffdf)
259 # define SCxSR_BREAK_CLEAR(port) (sci_in(port,SCxSR)&0xffe3)
261 /* SH7705 can also use this, clearing is same between 7705 and 7709 */
262 # define SCxSR_RDxF_CLEAR(port) 0x00fc
263 # define SCxSR_ERROR_CLEAR(port) 0x0073
264 # define SCxSR_TDxE_CLEAR(port) 0x00df
265 # define SCxSR_BREAK_CLEAR(port) 0x00e3
268 # define SCxSR_TEND(port) (((port)->type == PORT_SCI) ? SCI_TEND : SCIF_TEND)
269 # define SCxSR_ERRORS(port) (((port)->type == PORT_SCI) ? SCI_ERRORS : SCIF_ERRORS)
270 # define SCxSR_RDxF(port) (((port)->type == PORT_SCI) ? SCI_RDRF : SCIF_RDF)
271 # define SCxSR_TDxE(port) (((port)->type == PORT_SCI) ? SCI_TDRE : SCIF_TDFE)
272 # define SCxSR_ORER(port) (((port)->type == PORT_SCI) ? SCI_ORER : 0x0000)
273 # define SCxSR_FER(port) (((port)->type == PORT_SCI) ? SCI_FER : SCIF_FER)
274 # define SCxSR_PER(port) (((port)->type == PORT_SCI) ? SCI_PER : SCIF_PER)
275 # define SCxSR_BRK(port) (((port)->type == PORT_SCI) ? 0x00 : SCIF_BRK)
276 # define SCxSR_RDxF_CLEAR(port) (((port)->type == PORT_SCI) ? 0xbc : 0x00fc)
277 # define SCxSR_ERROR_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x0073)
278 # define SCxSR_TDxE_CLEAR(port) (((port)->type == PORT_SCI) ? 0x78 : 0x00df)
279 # define SCxSR_BREAK_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x00e3)
283 #define SCFCR_RFRST 0x0002
284 #define SCFCR_TFRST 0x0004
285 #define SCFCR_TCRST 0x4000
286 #define SCFCR_MCE 0x0008
288 #define SCI_MAJOR 204
289 #define SCI_MINOR_START 8
291 /* Generic serial flags */
292 #define SCI_RX_THROTTLE 0x0000001
294 #define SCI_MAGIC 0xbabeface
297 * Events are used to schedule things to happen at timer-interrupt
298 * time, instead of at rs interrupt time.
300 #define SCI_EVENT_WRITE_WAKEUP 0
302 #define SCI_IN(size, offset) \
303 unsigned int addr = port->mapbase + (offset); \
305 return ctrl_inb(addr); \
307 return ctrl_inw(addr); \
309 #define SCI_OUT(size, offset, value) \
310 unsigned int addr = port->mapbase + (offset); \
312 ctrl_outb(value, addr); \
314 ctrl_outw(value, addr); \
317 #define CPU_SCIx_FNS(name, sci_offset, sci_size, scif_offset, scif_size)\
318 static inline unsigned int sci_##name##_in(struct uart_port *port) \
320 if (port->type == PORT_SCI) { \
321 SCI_IN(sci_size, sci_offset) \
323 SCI_IN(scif_size, scif_offset); \
326 static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
328 if (port->type == PORT_SCI) { \
329 SCI_OUT(sci_size, sci_offset, value) \
331 SCI_OUT(scif_size, scif_offset, value); \
335 #define CPU_SCIF_FNS(name, scif_offset, scif_size) \
336 static inline unsigned int sci_##name##_in(struct uart_port *port) \
338 SCI_IN(scif_size, scif_offset); \
340 static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
342 SCI_OUT(scif_size, scif_offset, value); \
345 #define CPU_SCI_FNS(name, sci_offset, sci_size) \
346 static inline unsigned int sci_##name##_in(struct uart_port* port) \
348 SCI_IN(sci_size, sci_offset); \
350 static inline void sci_##name##_out(struct uart_port* port, unsigned int value) \
352 SCI_OUT(sci_size, sci_offset, value); \
355 #ifdef CONFIG_CPU_SH3
356 #if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
357 #define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
358 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
359 h8_sci_offset, h8_sci_size) \
360 CPU_SCIx_FNS(name, sh4_sci_offset, sh4_sci_size, sh4_scif_offset, sh4_scif_size)
361 #define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
362 CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
363 #elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \
364 defined(CONFIG_CPU_SUBTYPE_SH7720)
365 #define SCIF_FNS(name, scif_offset, scif_size) \
366 CPU_SCIF_FNS(name, scif_offset, scif_size)
368 #define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
369 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
370 h8_sci_offset, h8_sci_size) \
371 CPU_SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh3_scif_offset, sh3_scif_size)
372 #define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
373 CPU_SCIF_FNS(name, sh3_scif_offset, sh3_scif_size)
375 #elif defined(__H8300H__) || defined(__H8300S__)
376 #define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
377 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
378 h8_sci_offset, h8_sci_size) \
379 CPU_SCI_FNS(name, h8_sci_offset, h8_sci_size)
380 #define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size)
382 #define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
383 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
384 h8_sci_offset, h8_sci_size) \
385 CPU_SCIx_FNS(name, sh4_sci_offset, sh4_sci_size, sh4_scif_offset, sh4_scif_size)
386 #define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
387 CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
390 #if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
391 defined(CONFIG_CPU_SUBTYPE_SH7720)
393 SCIF_FNS(SCSMR, 0x00, 16)
394 SCIF_FNS(SCBRR, 0x04, 8)
395 SCIF_FNS(SCSCR, 0x08, 16)
396 SCIF_FNS(SCTDSR, 0x0c, 8)
397 SCIF_FNS(SCFER, 0x10, 16)
398 SCIF_FNS(SCxSR, 0x14, 16)
399 SCIF_FNS(SCFCR, 0x18, 16)
400 SCIF_FNS(SCFDR, 0x1c, 16)
401 SCIF_FNS(SCxTDR, 0x20, 8)
402 SCIF_FNS(SCxRDR, 0x24, 8)
403 SCIF_FNS(SCLSR, 0x24, 16)
405 /* reg SCI/SH3 SCI/SH4 SCIF/SH3 SCIF/SH4 SCI/H8*/
406 /* name off sz off sz off sz off sz off sz*/
407 SCIx_FNS(SCSMR, 0x00, 8, 0x00, 8, 0x00, 8, 0x00, 16, 0x00, 8)
408 SCIx_FNS(SCBRR, 0x02, 8, 0x04, 8, 0x02, 8, 0x04, 8, 0x01, 8)
409 SCIx_FNS(SCSCR, 0x04, 8, 0x08, 8, 0x04, 8, 0x08, 16, 0x02, 8)
410 SCIx_FNS(SCxTDR, 0x06, 8, 0x0c, 8, 0x06, 8, 0x0C, 8, 0x03, 8)
411 SCIx_FNS(SCxSR, 0x08, 8, 0x10, 8, 0x08, 16, 0x10, 16, 0x04, 8)
412 SCIx_FNS(SCxRDR, 0x0a, 8, 0x14, 8, 0x0A, 8, 0x14, 8, 0x05, 8)
413 SCIF_FNS(SCFCR, 0x0c, 8, 0x18, 16)
414 #if defined(CONFIG_CPU_SUBTYPE_SH7760) || \
415 defined(CONFIG_CPU_SUBTYPE_SH7780) || \
416 defined(CONFIG_CPU_SUBTYPE_SH7785)
417 SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16)
418 SCIF_FNS(SCTFDR, 0x0e, 16, 0x1C, 16)
419 SCIF_FNS(SCRFDR, 0x0e, 16, 0x20, 16)
420 SCIF_FNS(SCSPTR, 0, 0, 0x24, 16)
421 SCIF_FNS(SCLSR, 0, 0, 0x28, 16)
423 SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16)
424 SCIF_FNS(SCSPTR, 0, 0, 0x20, 16)
425 SCIF_FNS(SCLSR, 0, 0, 0x24, 16)
428 #define sci_in(port, reg) sci_##reg##_in(port)
429 #define sci_out(port, reg, value) sci_##reg##_out(port, value)
431 /* H8/300 series SCI pins assignment */
432 #if defined(__H8300H__) || defined(__H8300S__)
433 static const struct __attribute__((packed)) {
434 int port; /* GPIO port no */
435 unsigned short rx,tx; /* GPIO bit no */
436 } h8300_sci_pins[] = {
437 #if defined(CONFIG_H83007) || defined(CONFIG_H83068)
439 .port = H8300_GPIO_P9,
444 .port = H8300_GPIO_P9,
449 .port = H8300_GPIO_PB,
453 #elif defined(CONFIG_H8S2678)
455 .port = H8300_GPIO_P3,
460 .port = H8300_GPIO_P3,
465 .port = H8300_GPIO_P5,
473 #if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
474 defined(CONFIG_CPU_SUBTYPE_SH7707) || \
475 defined(CONFIG_CPU_SUBTYPE_SH7708) || \
476 defined(CONFIG_CPU_SUBTYPE_SH7709)
477 static inline int sci_rxd_in(struct uart_port *port)
479 if (port->mapbase == 0xfffffe80)
480 return ctrl_inb(SCPDR)&0x01 ? 1 : 0; /* SCI */
481 if (port->mapbase == 0xa4000150)
482 return ctrl_inb(SCPDR)&0x10 ? 1 : 0; /* SCIF */
483 if (port->mapbase == 0xa4000140)
484 return ctrl_inb(SCPDR)&0x04 ? 1 : 0; /* IRDA */
487 #elif defined(CONFIG_CPU_SUBTYPE_SH7705)
488 static inline int sci_rxd_in(struct uart_port *port)
490 if (port->mapbase == SCIF0)
491 return ctrl_inb(SCPDR)&0x04 ? 1 : 0; /* IRDA */
492 if (port->mapbase == SCIF2)
493 return ctrl_inb(SCPDR)&0x10 ? 1 : 0; /* SCIF */
496 #elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
497 static inline int sci_rxd_in(struct uart_port *port)
499 return sci_in(port,SCxSR)&0x0010 ? 1 : 0;
501 static inline void set_sh771x_scif_pfc(struct uart_port *port)
503 if (port->mapbase == 0xA4400000){
504 ctrl_outw(ctrl_inw(PACR)&0xffc0,PACR);
505 ctrl_outw(ctrl_inw(PBCR)&0x0fff,PBCR);
508 if (port->mapbase == 0xA4410000){
509 ctrl_outw(ctrl_inw(PBCR)&0xf003,PBCR);
513 #elif defined(CONFIG_CPU_SUBTYPE_SH7720)
514 static inline int sci_rxd_in(struct uart_port *port)
516 if (port->mapbase == 0xa4430000)
517 return sci_in(port, SCxSR) & 0x0003 ? 1 : 0;
518 else if (port->mapbase == 0xa4438000)
519 return sci_in(port, SCxSR) & 0x0003 ? 1 : 0;
522 #elif defined(CONFIG_CPU_SUBTYPE_SH7750) || \
523 defined(CONFIG_CPU_SUBTYPE_SH7751) || \
524 defined(CONFIG_CPU_SUBTYPE_SH7751R) || \
525 defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
526 defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
527 defined(CONFIG_CPU_SUBTYPE_SH7091) || \
528 defined(CONFIG_CPU_SUBTYPE_SH4_202)
529 static inline int sci_rxd_in(struct uart_port *port)
532 if (port->mapbase == 0xffe00000)
533 return ctrl_inb(SCSPTR1)&0x01 ? 1 : 0; /* SCI */
536 if (port->mapbase == 0xffe80000)
537 return ctrl_inw(SCSPTR2)&0x0001 ? 1 : 0; /* SCIF */
541 #elif defined(CONFIG_CPU_SUBTYPE_SH7760)
542 static inline int sci_rxd_in(struct uart_port *port)
544 if (port->mapbase == 0xfe600000)
545 return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
546 if (port->mapbase == 0xfe610000)
547 return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
548 if (port->mapbase == 0xfe620000)
549 return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
552 #elif defined(CONFIG_CPU_SUBTYPE_SH7343)
553 static inline int sci_rxd_in(struct uart_port *port)
555 if (port->mapbase == 0xffe00000)
556 return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
557 if (port->mapbase == 0xffe10000)
558 return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
559 if (port->mapbase == 0xffe20000)
560 return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
561 if (port->mapbase == 0xffe30000)
562 return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
565 #elif defined(CONFIG_CPU_SUBTYPE_SH7722)
566 static inline int sci_rxd_in(struct uart_port *port)
568 if (port->mapbase == 0xffe00000)
569 return ctrl_inb(SCPDR0) & 0x0001 ? 1 : 0; /* SCIF0 */
572 #elif defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103)
573 static inline int sci_rxd_in(struct uart_port *port)
575 return sci_in(port, SCSPTR)&0x0001 ? 1 : 0; /* SCIF */
577 #elif defined(__H8300H__) || defined(__H8300S__)
578 static inline int sci_rxd_in(struct uart_port *port)
580 int ch = (port->mapbase - SMR0) >> 3;
581 return (H8300_SCI_DR(ch) & h8300_sci_pins[ch].rx) ? 1 : 0;
583 #elif defined(CONFIG_CPU_SUBTYPE_SH7770)
584 static inline int sci_rxd_in(struct uart_port *port)
586 if (port->mapbase == 0xff923000)
587 return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
588 if (port->mapbase == 0xff924000)
589 return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
590 if (port->mapbase == 0xff925000)
591 return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
594 #elif defined(CONFIG_CPU_SUBTYPE_SH7780)
595 static inline int sci_rxd_in(struct uart_port *port)
597 if (port->mapbase == 0xffe00000)
598 return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
599 if (port->mapbase == 0xffe10000)
600 return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
603 #elif defined(CONFIG_CPU_SUBTYPE_SH7785)
604 static inline int sci_rxd_in(struct uart_port *port)
606 if (port->mapbase == 0xffea0000)
607 return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
608 if (port->mapbase == 0xffeb0000)
609 return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
610 if (port->mapbase == 0xffec0000)
611 return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
612 if (port->mapbase == 0xffed0000)
613 return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
614 if (port->mapbase == 0xffee0000)
615 return ctrl_inw(SCSPTR4) & 0x0001 ? 1 : 0; /* SCIF */
616 if (port->mapbase == 0xffef0000)
617 return ctrl_inw(SCSPTR5) & 0x0001 ? 1 : 0; /* SCIF */
620 #elif defined(CONFIG_CPU_SUBTYPE_SH7206)
621 static inline int sci_rxd_in(struct uart_port *port)
623 if (port->mapbase == 0xfffe8000)
624 return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
625 if (port->mapbase == 0xfffe8800)
626 return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
627 if (port->mapbase == 0xfffe9000)
628 return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
629 if (port->mapbase == 0xfffe9800)
630 return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
633 #elif defined(CONFIG_CPU_SUBTYPE_SH7619)
634 static inline int sci_rxd_in(struct uart_port *port)
636 if (port->mapbase == 0xf8400000)
637 return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
638 if (port->mapbase == 0xf8410000)
639 return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
640 if (port->mapbase == 0xf8420000)
641 return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
644 #elif defined(CONFIG_CPU_SUBTYPE_SHX3)
645 static inline int sci_rxd_in(struct uart_port *port)
647 if (port->mapbase == 0xffc30000)
648 return ctrl_inw(SCSPTR0) & 0x0001 ? 1 : 0; /* SCIF */
649 if (port->mapbase == 0xffc40000)
650 return ctrl_inw(SCSPTR1) & 0x0001 ? 1 : 0; /* SCIF */
651 if (port->mapbase == 0xffc50000)
652 return ctrl_inw(SCSPTR2) & 0x0001 ? 1 : 0; /* SCIF */
653 if (port->mapbase == 0xffc60000)
654 return ctrl_inw(SCSPTR3) & 0x0001 ? 1 : 0; /* SCIF */
660 * Values for the BitRate Register (SCBRR)
662 * The values are actually divisors for a frequency which can
663 * be internal to the SH3 (14.7456MHz) or derived from an external
664 * clock source. This driver assumes the internal clock is used;
665 * to support using an external clock source, config options or
666 * possibly command-line options would need to be added.
668 * Also, to support speeds below 2400 (why?) the lower 2 bits of
669 * the SCSMR register would also need to be set to non-zero values.
671 * -- Greg Banks 27Feb2000
673 * Answer: The SCBRR register is only eight bits, and the value in
674 * it gets larger with lower baud rates. At around 2400 (depending on
675 * the peripherial module clock) you run out of bits. However the
676 * lower two bits of SCSMR allow the module clock to be divided down,
677 * scaling the value which is needed in SCBRR.
679 * -- Stuart Menefy - 23 May 2000
681 * I meant, why would anyone bother with bitrates below 2400.
683 * -- Greg Banks - 7Jul2000
685 * You "speedist"! How will I use my 110bps ASR-33 teletype with paper
686 * tape reader as a console!
688 * -- Mitch Davis - 15 Jul 2000
691 #if defined(CONFIG_CPU_SUBTYPE_SH7780) || \
692 defined(CONFIG_CPU_SUBTYPE_SH7785)
693 #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(16*bps)-1)
694 #elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \
695 defined(CONFIG_CPU_SUBTYPE_SH7720)
696 #define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1)
697 #elif defined(__H8300H__) || defined(__H8300S__)
698 #define SCBRR_VALUE(bps) (((CONFIG_CPU_CLOCK*1000/32)/bps)-1)
699 #elif defined(CONFIG_SUPERH64)
700 #define SCBRR_VALUE(bps) ((current_cpu_data.module_clock+16*bps)/(32*bps)-1)
701 #else /* Generic SH */
702 #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1)