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-rw-r--r--drivers/tty/serial/sh-sci.h507
1 files changed, 507 insertions, 0 deletions
diff --git a/drivers/tty/serial/sh-sci.h b/drivers/tty/serial/sh-sci.h
new file mode 100644
index 000000000000..b223d6cbf33a
--- /dev/null
+++ b/drivers/tty/serial/sh-sci.h
@@ -0,0 +1,507 @@
1#include <linux/serial_core.h>
2#include <linux/io.h>
3#include <linux/gpio.h>
4
5#if defined(CONFIG_H83007) || defined(CONFIG_H83068)
6#include <asm/regs306x.h>
7#endif
8#if defined(CONFIG_H8S2678)
9#include <asm/regs267x.h>
10#endif
11
12#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
13 defined(CONFIG_CPU_SUBTYPE_SH7707) || \
14 defined(CONFIG_CPU_SUBTYPE_SH7708) || \
15 defined(CONFIG_CPU_SUBTYPE_SH7709)
16# define SCPCR 0xA4000116 /* 16 bit SCI and SCIF */
17# define SCPDR 0xA4000136 /* 8 bit SCI and SCIF */
18#elif defined(CONFIG_CPU_SUBTYPE_SH7705)
19# define SCIF0 0xA4400000
20# define SCIF2 0xA4410000
21# define SCPCR 0xA4000116
22# define SCPDR 0xA4000136
23#elif defined(CONFIG_CPU_SUBTYPE_SH7720) || \
24 defined(CONFIG_CPU_SUBTYPE_SH7721) || \
25 defined(CONFIG_ARCH_SH73A0) || \
26 defined(CONFIG_ARCH_SH7367) || \
27 defined(CONFIG_ARCH_SH7377) || \
28 defined(CONFIG_ARCH_SH7372)
29# define PORT_PTCR 0xA405011EUL
30# define PORT_PVCR 0xA4050122UL
31# define SCIF_ORER 0x0200 /* overrun error bit */
32#elif defined(CONFIG_SH_RTS7751R2D)
33# define SCSPTR1 0xFFE0001C /* 8 bit SCIF */
34# define SCSPTR2 0xFFE80020 /* 16 bit SCIF */
35# define SCIF_ORER 0x0001 /* overrun error bit */
36#elif defined(CONFIG_CPU_SUBTYPE_SH7750) || \
37 defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
38 defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
39 defined(CONFIG_CPU_SUBTYPE_SH7091) || \
40 defined(CONFIG_CPU_SUBTYPE_SH7751) || \
41 defined(CONFIG_CPU_SUBTYPE_SH7751R)
42# define SCSPTR1 0xffe0001c /* 8 bit SCI */
43# define SCSPTR2 0xFFE80020 /* 16 bit SCIF */
44# define SCIF_ORER 0x0001 /* overrun error bit */
45#elif defined(CONFIG_CPU_SUBTYPE_SH7760)
46# define SCSPTR0 0xfe600024 /* 16 bit SCIF */
47# define SCSPTR1 0xfe610024 /* 16 bit SCIF */
48# define SCSPTR2 0xfe620024 /* 16 bit SCIF */
49# define SCIF_ORER 0x0001 /* overrun error bit */
50#elif defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
51# define SCSPTR0 0xA4400000 /* 16 bit SCIF */
52# define SCIF_ORER 0x0001 /* overrun error bit */
53# define PACR 0xa4050100
54# define PBCR 0xa4050102
55#elif defined(CONFIG_CPU_SUBTYPE_SH7343)
56# define SCSPTR0 0xffe00010 /* 16 bit SCIF */
57# define SCSPTR1 0xffe10010 /* 16 bit SCIF */
58# define SCSPTR2 0xffe20010 /* 16 bit SCIF */
59# define SCSPTR3 0xffe30010 /* 16 bit SCIF */
60#elif defined(CONFIG_CPU_SUBTYPE_SH7722)
61# define PADR 0xA4050120
62# define PSDR 0xA405013e
63# define PWDR 0xA4050166
64# define PSCR 0xA405011E
65# define SCIF_ORER 0x0001 /* overrun error bit */
66#elif defined(CONFIG_CPU_SUBTYPE_SH7366)
67# define SCPDR0 0xA405013E /* 16 bit SCIF0 PSDR */
68# define SCSPTR0 SCPDR0
69# define SCIF_ORER 0x0001 /* overrun error bit */
70#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
71# define SCSPTR0 0xa4050160
72# define SCSPTR1 0xa405013e
73# define SCSPTR2 0xa4050160
74# define SCSPTR3 0xa405013e
75# define SCSPTR4 0xa4050128
76# define SCSPTR5 0xa4050128
77# define SCIF_ORER 0x0001 /* overrun error bit */
78#elif defined(CONFIG_CPU_SUBTYPE_SH7724)
79# define SCIF_ORER 0x0001 /* overrun error bit */
80#elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
81# define SCSPTR2 0xffe80020 /* 16 bit SCIF */
82# define SCIF_ORER 0x0001 /* overrun error bit */
83#elif defined(CONFIG_CPU_SUBTYPE_SH5_101) || defined(CONFIG_CPU_SUBTYPE_SH5_103)
84# define SCIF_PTR2_OFFS 0x0000020
85# define SCSPTR2 ((port->mapbase)+SCIF_PTR2_OFFS) /* 16 bit SCIF */
86#elif defined(CONFIG_H83007) || defined(CONFIG_H83068)
87# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
88#elif defined(CONFIG_H8S2678)
89# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
90#elif defined(CONFIG_CPU_SUBTYPE_SH7757)
91# define SCSPTR0 0xfe4b0020
92# define SCSPTR1 0xfe4b0020
93# define SCSPTR2 0xfe4b0020
94# define SCIF_ORER 0x0001
95# define SCIF_ONLY
96#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
97# define SCSPTR0 0xffe00024 /* 16 bit SCIF */
98# define SCSPTR1 0xffe08024 /* 16 bit SCIF */
99# define SCSPTR2 0xffe10020 /* 16 bit SCIF/IRDA */
100# define SCIF_ORER 0x0001 /* overrun error bit */
101#elif defined(CONFIG_CPU_SUBTYPE_SH7770)
102# define SCSPTR0 0xff923020 /* 16 bit SCIF */
103# define SCSPTR1 0xff924020 /* 16 bit SCIF */
104# define SCSPTR2 0xff925020 /* 16 bit SCIF */
105# define SCIF_ORER 0x0001 /* overrun error bit */
106#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
107# define SCSPTR0 0xffe00024 /* 16 bit SCIF */
108# define SCSPTR1 0xffe10024 /* 16 bit SCIF */
109# define SCIF_ORER 0x0001 /* Overrun error bit */
110#elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \
111 defined(CONFIG_CPU_SUBTYPE_SH7786)
112# define SCSPTR0 0xffea0024 /* 16 bit SCIF */
113# define SCSPTR1 0xffeb0024 /* 16 bit SCIF */
114# define SCSPTR2 0xffec0024 /* 16 bit SCIF */
115# define SCSPTR3 0xffed0024 /* 16 bit SCIF */
116# define SCSPTR4 0xffee0024 /* 16 bit SCIF */
117# define SCSPTR5 0xffef0024 /* 16 bit SCIF */
118# define SCIF_ORER 0x0001 /* Overrun error bit */
119#elif defined(CONFIG_CPU_SUBTYPE_SH7201) || \
120 defined(CONFIG_CPU_SUBTYPE_SH7203) || \
121 defined(CONFIG_CPU_SUBTYPE_SH7206) || \
122 defined(CONFIG_CPU_SUBTYPE_SH7263)
123# define SCSPTR0 0xfffe8020 /* 16 bit SCIF */
124# define SCSPTR1 0xfffe8820 /* 16 bit SCIF */
125# define SCSPTR2 0xfffe9020 /* 16 bit SCIF */
126# define SCSPTR3 0xfffe9820 /* 16 bit SCIF */
127# if defined(CONFIG_CPU_SUBTYPE_SH7201)
128# define SCSPTR4 0xfffeA020 /* 16 bit SCIF */
129# define SCSPTR5 0xfffeA820 /* 16 bit SCIF */
130# define SCSPTR6 0xfffeB020 /* 16 bit SCIF */
131# define SCSPTR7 0xfffeB820 /* 16 bit SCIF */
132# endif
133#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
134# define SCSPTR0 0xf8400020 /* 16 bit SCIF */
135# define SCSPTR1 0xf8410020 /* 16 bit SCIF */
136# define SCSPTR2 0xf8420020 /* 16 bit SCIF */
137# define SCIF_ORER 0x0001 /* overrun error bit */
138#elif defined(CONFIG_CPU_SUBTYPE_SHX3)
139# define SCSPTR0 0xffc30020 /* 16 bit SCIF */
140# define SCSPTR1 0xffc40020 /* 16 bit SCIF */
141# define SCSPTR2 0xffc50020 /* 16 bit SCIF */
142# define SCSPTR3 0xffc60020 /* 16 bit SCIF */
143# define SCIF_ORER 0x0001 /* Overrun error bit */
144#else
145# error CPU subtype not defined
146#endif
147
148/* SCxSR SCI */
149#define SCI_TDRE 0x80 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
150#define SCI_RDRF 0x40 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
151#define SCI_ORER 0x20 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
152#define SCI_FER 0x10 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
153#define SCI_PER 0x08 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
154#define SCI_TEND 0x04 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
155/* SCI_MPB 0x02 * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
156/* SCI_MPBT 0x01 * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
157
158#define SCI_ERRORS ( SCI_PER | SCI_FER | SCI_ORER)
159
160/* SCxSR SCIF */
161#define SCIF_ER 0x0080 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
162#define SCIF_TEND 0x0040 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
163#define SCIF_TDFE 0x0020 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
164#define SCIF_BRK 0x0010 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
165#define SCIF_FER 0x0008 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
166#define SCIF_PER 0x0004 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
167#define SCIF_RDF 0x0002 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
168#define SCIF_DR 0x0001 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
169
170#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
171 defined(CONFIG_CPU_SUBTYPE_SH7720) || \
172 defined(CONFIG_CPU_SUBTYPE_SH7721) || \
173 defined(CONFIG_ARCH_SH73A0) || \
174 defined(CONFIG_ARCH_SH7367) || \
175 defined(CONFIG_ARCH_SH7377) || \
176 defined(CONFIG_ARCH_SH7372)
177# define SCIF_ORER 0x0200
178# define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK | SCIF_ORER)
179# define SCIF_RFDC_MASK 0x007f
180# define SCIF_TXROOM_MAX 64
181#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
182# define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK )
183# define SCIF_RFDC_MASK 0x007f
184# define SCIF_TXROOM_MAX 64
185/* SH7763 SCIF2 support */
186# define SCIF2_RFDC_MASK 0x001f
187# define SCIF2_TXROOM_MAX 16
188#else
189# define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK)
190# define SCIF_RFDC_MASK 0x001f
191# define SCIF_TXROOM_MAX 16
192#endif
193
194#ifndef SCIF_ORER
195#define SCIF_ORER 0x0000
196#endif
197
198#define SCxSR_TEND(port) (((port)->type == PORT_SCI) ? SCI_TEND : SCIF_TEND)
199#define SCxSR_ERRORS(port) (((port)->type == PORT_SCI) ? SCI_ERRORS : SCIF_ERRORS)
200#define SCxSR_RDxF(port) (((port)->type == PORT_SCI) ? SCI_RDRF : SCIF_RDF)
201#define SCxSR_TDxE(port) (((port)->type == PORT_SCI) ? SCI_TDRE : SCIF_TDFE)
202#define SCxSR_FER(port) (((port)->type == PORT_SCI) ? SCI_FER : SCIF_FER)
203#define SCxSR_PER(port) (((port)->type == PORT_SCI) ? SCI_PER : SCIF_PER)
204#define SCxSR_BRK(port) (((port)->type == PORT_SCI) ? 0x00 : SCIF_BRK)
205#define SCxSR_ORER(port) (((port)->type == PORT_SCI) ? SCI_ORER : SCIF_ORER)
206
207#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
208 defined(CONFIG_CPU_SUBTYPE_SH7720) || \
209 defined(CONFIG_CPU_SUBTYPE_SH7721) || \
210 defined(CONFIG_ARCH_SH73A0) || \
211 defined(CONFIG_ARCH_SH7367) || \
212 defined(CONFIG_ARCH_SH7377) || \
213 defined(CONFIG_ARCH_SH7372)
214# define SCxSR_RDxF_CLEAR(port) (sci_in(port, SCxSR) & 0xfffc)
215# define SCxSR_ERROR_CLEAR(port) (sci_in(port, SCxSR) & 0xfd73)
216# define SCxSR_TDxE_CLEAR(port) (sci_in(port, SCxSR) & 0xffdf)
217# define SCxSR_BREAK_CLEAR(port) (sci_in(port, SCxSR) & 0xffe3)
218#else
219# define SCxSR_RDxF_CLEAR(port) (((port)->type == PORT_SCI) ? 0xbc : 0x00fc)
220# define SCxSR_ERROR_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x0073)
221# define SCxSR_TDxE_CLEAR(port) (((port)->type == PORT_SCI) ? 0x78 : 0x00df)
222# define SCxSR_BREAK_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x00e3)
223#endif
224
225/* SCFCR */
226#define SCFCR_RFRST 0x0002
227#define SCFCR_TFRST 0x0004
228#define SCFCR_MCE 0x0008
229
230#define SCI_MAJOR 204
231#define SCI_MINOR_START 8
232
233#define SCI_IN(size, offset) \
234 if ((size) == 8) { \
235 return ioread8(port->membase + (offset)); \
236 } else { \
237 return ioread16(port->membase + (offset)); \
238 }
239#define SCI_OUT(size, offset, value) \
240 if ((size) == 8) { \
241 iowrite8(value, port->membase + (offset)); \
242 } else if ((size) == 16) { \
243 iowrite16(value, port->membase + (offset)); \
244 }
245
246#define CPU_SCIx_FNS(name, sci_offset, sci_size, scif_offset, scif_size)\
247 static inline unsigned int sci_##name##_in(struct uart_port *port) \
248 { \
249 if (port->type == PORT_SCIF || port->type == PORT_SCIFB) { \
250 SCI_IN(scif_size, scif_offset) \
251 } else { /* PORT_SCI or PORT_SCIFA */ \
252 SCI_IN(sci_size, sci_offset); \
253 } \
254 } \
255 static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
256 { \
257 if (port->type == PORT_SCIF || port->type == PORT_SCIFB) { \
258 SCI_OUT(scif_size, scif_offset, value) \
259 } else { /* PORT_SCI or PORT_SCIFA */ \
260 SCI_OUT(sci_size, sci_offset, value); \
261 } \
262 }
263
264#ifdef CONFIG_H8300
265/* h8300 don't have SCIF */
266#define CPU_SCIF_FNS(name) \
267 static inline unsigned int sci_##name##_in(struct uart_port *port) \
268 { \
269 return 0; \
270 } \
271 static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
272 { \
273 }
274#else
275#define CPU_SCIF_FNS(name, scif_offset, scif_size) \
276 static inline unsigned int sci_##name##_in(struct uart_port *port) \
277 { \
278 SCI_IN(scif_size, scif_offset); \
279 } \
280 static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
281 { \
282 SCI_OUT(scif_size, scif_offset, value); \
283 }
284#endif
285
286#define CPU_SCI_FNS(name, sci_offset, sci_size) \
287 static inline unsigned int sci_##name##_in(struct uart_port* port) \
288 { \
289 SCI_IN(sci_size, sci_offset); \
290 } \
291 static inline void sci_##name##_out(struct uart_port* port, unsigned int value) \
292 { \
293 SCI_OUT(sci_size, sci_offset, value); \
294 }
295
296#if defined(CONFIG_CPU_SH3) || \
297 defined(CONFIG_ARCH_SH73A0) || \
298 defined(CONFIG_ARCH_SH7367) || \
299 defined(CONFIG_ARCH_SH7377) || \
300 defined(CONFIG_ARCH_SH7372)
301#if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
302#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
303 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
304 h8_sci_offset, h8_sci_size) \
305 CPU_SCIx_FNS(name, sh4_sci_offset, sh4_sci_size, sh4_scif_offset, sh4_scif_size)
306#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
307 CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
308#elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \
309 defined(CONFIG_CPU_SUBTYPE_SH7720) || \
310 defined(CONFIG_CPU_SUBTYPE_SH7721) || \
311 defined(CONFIG_ARCH_SH73A0) || \
312 defined(CONFIG_ARCH_SH7367) || \
313 defined(CONFIG_ARCH_SH7377)
314#define SCIF_FNS(name, scif_offset, scif_size) \
315 CPU_SCIF_FNS(name, scif_offset, scif_size)
316#elif defined(CONFIG_ARCH_SH7372)
317#define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size) \
318 CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size)
319#define SCIF_FNS(name, scif_offset, scif_size) \
320 CPU_SCIF_FNS(name, scif_offset, scif_size)
321#else
322#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
323 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
324 h8_sci_offset, h8_sci_size) \
325 CPU_SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh3_scif_offset, sh3_scif_size)
326#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
327 CPU_SCIF_FNS(name, sh3_scif_offset, sh3_scif_size)
328#endif
329#elif defined(__H8300H__) || defined(__H8300S__)
330#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
331 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
332 h8_sci_offset, h8_sci_size) \
333 CPU_SCI_FNS(name, h8_sci_offset, h8_sci_size)
334#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
335 CPU_SCIF_FNS(name)
336#elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\
337 defined(CONFIG_CPU_SUBTYPE_SH7724)
338 #define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scif_offset, sh4_scif_size) \
339 CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scif_offset, sh4_scif_size)
340 #define SCIF_FNS(name, sh4_scif_offset, sh4_scif_size) \
341 CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
342#else
343#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
344 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
345 h8_sci_offset, h8_sci_size) \
346 CPU_SCIx_FNS(name, sh4_sci_offset, sh4_sci_size, sh4_scif_offset, sh4_scif_size)
347#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
348 CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
349#endif
350
351#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
352 defined(CONFIG_CPU_SUBTYPE_SH7720) || \
353 defined(CONFIG_CPU_SUBTYPE_SH7721) || \
354 defined(CONFIG_ARCH_SH73A0) || \
355 defined(CONFIG_ARCH_SH7367) || \
356 defined(CONFIG_ARCH_SH7377)
357
358SCIF_FNS(SCSMR, 0x00, 16)
359SCIF_FNS(SCBRR, 0x04, 8)
360SCIF_FNS(SCSCR, 0x08, 16)
361SCIF_FNS(SCxSR, 0x14, 16)
362SCIF_FNS(SCFCR, 0x18, 16)
363SCIF_FNS(SCFDR, 0x1c, 16)
364SCIF_FNS(SCxTDR, 0x20, 8)
365SCIF_FNS(SCxRDR, 0x24, 8)
366SCIF_FNS(SCLSR, 0x00, 0)
367#elif defined(CONFIG_ARCH_SH7372)
368SCIF_FNS(SCSMR, 0x00, 16)
369SCIF_FNS(SCBRR, 0x04, 8)
370SCIF_FNS(SCSCR, 0x08, 16)
371SCIF_FNS(SCTDSR, 0x0c, 16)
372SCIF_FNS(SCFER, 0x10, 16)
373SCIF_FNS(SCxSR, 0x14, 16)
374SCIF_FNS(SCFCR, 0x18, 16)
375SCIF_FNS(SCFDR, 0x1c, 16)
376SCIF_FNS(SCTFDR, 0x38, 16)
377SCIF_FNS(SCRFDR, 0x3c, 16)
378SCIx_FNS(SCxTDR, 0x20, 8, 0x40, 8)
379SCIx_FNS(SCxRDR, 0x24, 8, 0x60, 8)
380SCIF_FNS(SCLSR, 0x00, 0)
381#elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\
382 defined(CONFIG_CPU_SUBTYPE_SH7724)
383SCIx_FNS(SCSMR, 0x00, 16, 0x00, 16)
384SCIx_FNS(SCBRR, 0x04, 8, 0x04, 8)
385SCIx_FNS(SCSCR, 0x08, 16, 0x08, 16)
386SCIx_FNS(SCxTDR, 0x20, 8, 0x0c, 8)
387SCIx_FNS(SCxSR, 0x14, 16, 0x10, 16)
388SCIx_FNS(SCxRDR, 0x24, 8, 0x14, 8)
389SCIx_FNS(SCSPTR, 0, 0, 0, 0)
390SCIF_FNS(SCFCR, 0x18, 16)
391SCIF_FNS(SCFDR, 0x1c, 16)
392SCIF_FNS(SCLSR, 0x24, 16)
393#else
394/* reg SCI/SH3 SCI/SH4 SCIF/SH3 SCIF/SH4 SCI/H8*/
395/* name off sz off sz off sz off sz off sz*/
396SCIx_FNS(SCSMR, 0x00, 8, 0x00, 8, 0x00, 8, 0x00, 16, 0x00, 8)
397SCIx_FNS(SCBRR, 0x02, 8, 0x04, 8, 0x02, 8, 0x04, 8, 0x01, 8)
398SCIx_FNS(SCSCR, 0x04, 8, 0x08, 8, 0x04, 8, 0x08, 16, 0x02, 8)
399SCIx_FNS(SCxTDR, 0x06, 8, 0x0c, 8, 0x06, 8, 0x0C, 8, 0x03, 8)
400SCIx_FNS(SCxSR, 0x08, 8, 0x10, 8, 0x08, 16, 0x10, 16, 0x04, 8)
401SCIx_FNS(SCxRDR, 0x0a, 8, 0x14, 8, 0x0A, 8, 0x14, 8, 0x05, 8)
402SCIF_FNS(SCFCR, 0x0c, 8, 0x18, 16)
403#if defined(CONFIG_CPU_SUBTYPE_SH7760) || \
404 defined(CONFIG_CPU_SUBTYPE_SH7780) || \
405 defined(CONFIG_CPU_SUBTYPE_SH7785) || \
406 defined(CONFIG_CPU_SUBTYPE_SH7786)
407SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16)
408SCIF_FNS(SCTFDR, 0x0e, 16, 0x1C, 16)
409SCIF_FNS(SCRFDR, 0x0e, 16, 0x20, 16)
410SCIF_FNS(SCSPTR, 0, 0, 0x24, 16)
411SCIF_FNS(SCLSR, 0, 0, 0x28, 16)
412#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
413SCIF_FNS(SCFDR, 0, 0, 0x1C, 16)
414SCIF_FNS(SCSPTR2, 0, 0, 0x20, 16)
415SCIF_FNS(SCTFDR, 0x0e, 16, 0x1C, 16)
416SCIF_FNS(SCRFDR, 0x0e, 16, 0x20, 16)
417SCIF_FNS(SCSPTR, 0, 0, 0x24, 16)
418SCIF_FNS(SCLSR, 0, 0, 0x28, 16)
419#else
420SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16)
421#if defined(CONFIG_CPU_SUBTYPE_SH7722)
422SCIF_FNS(SCSPTR, 0, 0, 0, 0)
423#else
424SCIF_FNS(SCSPTR, 0, 0, 0x20, 16)
425#endif
426SCIF_FNS(SCLSR, 0, 0, 0x24, 16)
427#endif
428#endif
429#define sci_in(port, reg) sci_##reg##_in(port)
430#define sci_out(port, reg, value) sci_##reg##_out(port, value)
431
432/* H8/300 series SCI pins assignment */
433#if defined(__H8300H__) || defined(__H8300S__)
434static const struct __attribute__((packed)) {
435 int port; /* GPIO port no */
436 unsigned short rx,tx; /* GPIO bit no */
437} h8300_sci_pins[] = {
438#if defined(CONFIG_H83007) || defined(CONFIG_H83068)
439 { /* SCI0 */
440 .port = H8300_GPIO_P9,
441 .rx = H8300_GPIO_B2,
442 .tx = H8300_GPIO_B0,
443 },
444 { /* SCI1 */
445 .port = H8300_GPIO_P9,
446 .rx = H8300_GPIO_B3,
447 .tx = H8300_GPIO_B1,
448 },
449 { /* SCI2 */
450 .port = H8300_GPIO_PB,
451 .rx = H8300_GPIO_B7,
452 .tx = H8300_GPIO_B6,
453 }
454#elif defined(CONFIG_H8S2678)
455 { /* SCI0 */
456 .port = H8300_GPIO_P3,
457 .rx = H8300_GPIO_B2,
458 .tx = H8300_GPIO_B0,
459 },
460 { /* SCI1 */
461 .port = H8300_GPIO_P3,
462 .rx = H8300_GPIO_B3,
463 .tx = H8300_GPIO_B1,
464 },
465 { /* SCI2 */
466 .port = H8300_GPIO_P5,
467 .rx = H8300_GPIO_B1,
468 .tx = H8300_GPIO_B0,
469 }
470#endif
471};
472#endif
473
474#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
475 defined(CONFIG_CPU_SUBTYPE_SH7707) || \
476 defined(CONFIG_CPU_SUBTYPE_SH7708) || \
477 defined(CONFIG_CPU_SUBTYPE_SH7709)
478static inline int sci_rxd_in(struct uart_port *port)
479{
480 if (port->mapbase == 0xfffffe80)
481 return __raw_readb(SCPDR)&0x01 ? 1 : 0; /* SCI */
482 return 1;
483}
484#elif defined(CONFIG_CPU_SUBTYPE_SH7750) || \
485 defined(CONFIG_CPU_SUBTYPE_SH7751) || \
486 defined(CONFIG_CPU_SUBTYPE_SH7751R) || \
487 defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
488 defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
489 defined(CONFIG_CPU_SUBTYPE_SH7091)
490static inline int sci_rxd_in(struct uart_port *port)
491{
492 if (port->mapbase == 0xffe00000)
493 return __raw_readb(SCSPTR1)&0x01 ? 1 : 0; /* SCI */
494 return 1;
495}
496#elif defined(__H8300H__) || defined(__H8300S__)
497static inline int sci_rxd_in(struct uart_port *port)
498{
499 int ch = (port->mapbase - SMR0) >> 3;
500 return (H8300_SCI_DR(ch) & h8300_sci_pins[ch].rx) ? 1 : 0;
501}
502#else /* default case for non-SCI processors */
503static inline int sci_rxd_in(struct uart_port *port)
504{
505 return 1;
506}
507#endif
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