tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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#elif defined(CONFIG_CPU_SUBTYPE_SH7722)
58# define PADR 0xA4050120
59# define PSDR 0xA405013e
60# define PWDR 0xA4050166
61# define PSCR 0xA405011E
62# define SCIF_ORER 0x0001 /* overrun error bit */
63#elif defined(CONFIG_CPU_SUBTYPE_SH7366)
64# define SCPDR0 0xA405013E /* 16 bit SCIF0 PSDR */
65# define SCSPTR0 SCPDR0
66# define SCIF_ORER 0x0001 /* overrun error bit */
67#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
68# define SCSPTR0 0xa4050160
69# define SCIF_ORER 0x0001 /* overrun error bit */
70#elif defined(CONFIG_CPU_SUBTYPE_SH7724)
71# define SCIF_ORER 0x0001 /* overrun error bit */
72#elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
73# define SCSPTR2 0xffe80020 /* 16 bit SCIF */
74# define SCIF_ORER 0x0001 /* overrun error bit */
75#elif defined(CONFIG_H83007) || defined(CONFIG_H83068)
76# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
77#elif defined(CONFIG_H8S2678)
78# define H8300_SCI_DR(ch) *(volatile char *)(P1DR + h8300_sci_pins[ch].port)
79#elif defined(CONFIG_CPU_SUBTYPE_SH7757)
80# define SCSPTR0 0xfe4b0020
81# define SCIF_ORER 0x0001
82#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
83# define SCSPTR0 0xffe00024 /* 16 bit SCIF */
84# define SCIF_ORER 0x0001 /* overrun error bit */
85#elif defined(CONFIG_CPU_SUBTYPE_SH7770)
86# define SCSPTR0 0xff923020 /* 16 bit SCIF */
87# define SCIF_ORER 0x0001 /* overrun error bit */
88#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
89# define SCSPTR0 0xffe00024 /* 16 bit SCIF */
90# define SCIF_ORER 0x0001 /* Overrun error bit */
91#elif defined(CONFIG_CPU_SUBTYPE_SH7785) || \
92 defined(CONFIG_CPU_SUBTYPE_SH7786)
93# define SCSPTR0 0xffea0024 /* 16 bit SCIF */
94# define SCIF_ORER 0x0001 /* Overrun error bit */
95#elif defined(CONFIG_CPU_SUBTYPE_SH7201) || \
96 defined(CONFIG_CPU_SUBTYPE_SH7203) || \
97 defined(CONFIG_CPU_SUBTYPE_SH7206) || \
98 defined(CONFIG_CPU_SUBTYPE_SH7263)
99# define SCSPTR0 0xfffe8020 /* 16 bit SCIF */
100#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
101# define SCSPTR0 0xf8400020 /* 16 bit SCIF */
102# define SCIF_ORER 0x0001 /* overrun error bit */
103#elif defined(CONFIG_CPU_SUBTYPE_SHX3)
104# define SCSPTR0 0xffc30020 /* 16 bit SCIF */
105# define SCIF_ORER 0x0001 /* Overrun error bit */
106#else
107# error CPU subtype not defined
108#endif
109
110/* SCxSR SCI */
111#define SCI_TDRE 0x80 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
112#define SCI_RDRF 0x40 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
113#define SCI_ORER 0x20 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
114#define SCI_FER 0x10 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
115#define SCI_PER 0x08 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
116#define SCI_TEND 0x04 /* 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
117/* SCI_MPB 0x02 * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
118/* SCI_MPBT 0x01 * 7707 SCI, 7708 SCI, 7709 SCI, 7750 SCI */
119
120#define SCI_ERRORS ( SCI_PER | SCI_FER | SCI_ORER)
121
122/* SCxSR SCIF */
123#define SCIF_ER 0x0080 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
124#define SCIF_TEND 0x0040 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
125#define SCIF_TDFE 0x0020 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
126#define SCIF_BRK 0x0010 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
127#define SCIF_FER 0x0008 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
128#define SCIF_PER 0x0004 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
129#define SCIF_RDF 0x0002 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
130#define SCIF_DR 0x0001 /* 7705 SCIF, 7707 SCIF, 7709 SCIF, 7750 SCIF */
131
132#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
133 defined(CONFIG_CPU_SUBTYPE_SH7720) || \
134 defined(CONFIG_CPU_SUBTYPE_SH7721) || \
135 defined(CONFIG_ARCH_SH73A0) || \
136 defined(CONFIG_ARCH_SH7367) || \
137 defined(CONFIG_ARCH_SH7377) || \
138 defined(CONFIG_ARCH_SH7372)
139# define SCIF_ORER 0x0200
140# define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK | SCIF_ORER)
141# define SCIF_RFDC_MASK 0x007f
142# define SCIF_TXROOM_MAX 64
143#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
144# define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK )
145# define SCIF_RFDC_MASK 0x007f
146# define SCIF_TXROOM_MAX 64
147/* SH7763 SCIF2 support */
148# define SCIF2_RFDC_MASK 0x001f
149# define SCIF2_TXROOM_MAX 16
150#else
151# define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK)
152# define SCIF_RFDC_MASK 0x001f
153# define SCIF_TXROOM_MAX 16
154#endif
155
156#ifndef SCIF_ORER
157#define SCIF_ORER 0x0000
158#endif
159
160#define SCxSR_TEND(port) (((port)->type == PORT_SCI) ? SCI_TEND : SCIF_TEND)
161#define SCxSR_ERRORS(port) (((port)->type == PORT_SCI) ? SCI_ERRORS : SCIF_ERRORS)
162#define SCxSR_RDxF(port) (((port)->type == PORT_SCI) ? SCI_RDRF : SCIF_RDF)
163#define SCxSR_TDxE(port) (((port)->type == PORT_SCI) ? SCI_TDRE : SCIF_TDFE)
164#define SCxSR_FER(port) (((port)->type == PORT_SCI) ? SCI_FER : SCIF_FER)
165#define SCxSR_PER(port) (((port)->type == PORT_SCI) ? SCI_PER : SCIF_PER)
166#define SCxSR_BRK(port) (((port)->type == PORT_SCI) ? 0x00 : SCIF_BRK)
167#define SCxSR_ORER(port) (((port)->type == PORT_SCI) ? SCI_ORER : SCIF_ORER)
168
169#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
170 defined(CONFIG_CPU_SUBTYPE_SH7720) || \
171 defined(CONFIG_CPU_SUBTYPE_SH7721) || \
172 defined(CONFIG_ARCH_SH73A0) || \
173 defined(CONFIG_ARCH_SH7367) || \
174 defined(CONFIG_ARCH_SH7377) || \
175 defined(CONFIG_ARCH_SH7372)
176# define SCxSR_RDxF_CLEAR(port) (sci_in(port, SCxSR) & 0xfffc)
177# define SCxSR_ERROR_CLEAR(port) (sci_in(port, SCxSR) & 0xfd73)
178# define SCxSR_TDxE_CLEAR(port) (sci_in(port, SCxSR) & 0xffdf)
179# define SCxSR_BREAK_CLEAR(port) (sci_in(port, SCxSR) & 0xffe3)
180#else
181# define SCxSR_RDxF_CLEAR(port) (((port)->type == PORT_SCI) ? 0xbc : 0x00fc)
182# define SCxSR_ERROR_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x0073)
183# define SCxSR_TDxE_CLEAR(port) (((port)->type == PORT_SCI) ? 0x78 : 0x00df)
184# define SCxSR_BREAK_CLEAR(port) (((port)->type == PORT_SCI) ? 0xc4 : 0x00e3)
185#endif
186
187/* SCFCR */
188#define SCFCR_RFRST 0x0002
189#define SCFCR_TFRST 0x0004
190#define SCFCR_MCE 0x0008
191
192#define SCI_MAJOR 204
193#define SCI_MINOR_START 8
194
195#define SCI_IN(size, offset) \
196 if ((size) == 8) { \
197 return ioread8(port->membase + (offset)); \
198 } else { \
199 return ioread16(port->membase + (offset)); \
200 }
201#define SCI_OUT(size, offset, value) \
202 if ((size) == 8) { \
203 iowrite8(value, port->membase + (offset)); \
204 } else if ((size) == 16) { \
205 iowrite16(value, port->membase + (offset)); \
206 }
207
208#define CPU_SCIx_FNS(name, sci_offset, sci_size, scif_offset, scif_size)\
209 static inline unsigned int sci_##name##_in(struct uart_port *port) \
210 { \
211 if (port->type == PORT_SCIF || port->type == PORT_SCIFB) { \
212 SCI_IN(scif_size, scif_offset) \
213 } else { /* PORT_SCI or PORT_SCIFA */ \
214 SCI_IN(sci_size, sci_offset); \
215 } \
216 } \
217 static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
218 { \
219 if (port->type == PORT_SCIF || port->type == PORT_SCIFB) { \
220 SCI_OUT(scif_size, scif_offset, value) \
221 } else { /* PORT_SCI or PORT_SCIFA */ \
222 SCI_OUT(sci_size, sci_offset, value); \
223 } \
224 }
225
226#ifdef CONFIG_H8300
227/* h8300 don't have SCIF */
228#define CPU_SCIF_FNS(name) \
229 static inline unsigned int sci_##name##_in(struct uart_port *port) \
230 { \
231 return 0; \
232 } \
233 static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
234 { \
235 }
236#else
237#define CPU_SCIF_FNS(name, scif_offset, scif_size) \
238 static inline unsigned int sci_##name##_in(struct uart_port *port) \
239 { \
240 SCI_IN(scif_size, scif_offset); \
241 } \
242 static inline void sci_##name##_out(struct uart_port *port, unsigned int value) \
243 { \
244 SCI_OUT(scif_size, scif_offset, value); \
245 }
246#endif
247
248#define CPU_SCI_FNS(name, sci_offset, sci_size) \
249 static inline unsigned int sci_##name##_in(struct uart_port* port) \
250 { \
251 SCI_IN(sci_size, sci_offset); \
252 } \
253 static inline void sci_##name##_out(struct uart_port* port, unsigned int value) \
254 { \
255 SCI_OUT(sci_size, sci_offset, value); \
256 }
257
258#if defined(CONFIG_CPU_SH3) || \
259 defined(CONFIG_ARCH_SH73A0) || \
260 defined(CONFIG_ARCH_SH7367) || \
261 defined(CONFIG_ARCH_SH7377) || \
262 defined(CONFIG_ARCH_SH7372)
263#if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
264#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
265 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
266 h8_sci_offset, h8_sci_size) \
267 CPU_SCIx_FNS(name, sh4_sci_offset, sh4_sci_size, sh4_scif_offset, sh4_scif_size)
268#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
269 CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
270#elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \
271 defined(CONFIG_CPU_SUBTYPE_SH7720) || \
272 defined(CONFIG_CPU_SUBTYPE_SH7721) || \
273 defined(CONFIG_ARCH_SH7367)
274#define SCIF_FNS(name, scif_offset, scif_size) \
275 CPU_SCIF_FNS(name, scif_offset, scif_size)
276#elif defined(CONFIG_ARCH_SH7377) || \
277 defined(CONFIG_ARCH_SH7372) || \
278 defined(CONFIG_ARCH_SH73A0)
279#define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size) \
280 CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scifb_offset, sh4_scifb_size)
281#define SCIF_FNS(name, scif_offset, scif_size) \
282 CPU_SCIF_FNS(name, scif_offset, scif_size)
283#else
284#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
285 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
286 h8_sci_offset, h8_sci_size) \
287 CPU_SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh3_scif_offset, sh3_scif_size)
288#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
289 CPU_SCIF_FNS(name, sh3_scif_offset, sh3_scif_size)
290#endif
291#elif defined(__H8300H__) || defined(__H8300S__)
292#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
293 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
294 h8_sci_offset, h8_sci_size) \
295 CPU_SCI_FNS(name, h8_sci_offset, h8_sci_size)
296#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
297 CPU_SCIF_FNS(name)
298#elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\
299 defined(CONFIG_CPU_SUBTYPE_SH7724)
300 #define SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scif_offset, sh4_scif_size) \
301 CPU_SCIx_FNS(name, sh4_scifa_offset, sh4_scifa_size, sh4_scif_offset, sh4_scif_size)
302 #define SCIF_FNS(name, sh4_scif_offset, sh4_scif_size) \
303 CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
304#else
305#define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
306 sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
307 h8_sci_offset, h8_sci_size) \
308 CPU_SCIx_FNS(name, sh4_sci_offset, sh4_sci_size, sh4_scif_offset, sh4_scif_size)
309#define SCIF_FNS(name, sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size) \
310 CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
311#endif
312
313#if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
314 defined(CONFIG_CPU_SUBTYPE_SH7720) || \
315 defined(CONFIG_CPU_SUBTYPE_SH7721) || \
316 defined(CONFIG_ARCH_SH7367)
317
318SCIF_FNS(SCSMR, 0x00, 16)
319SCIF_FNS(SCBRR, 0x04, 8)
320SCIF_FNS(SCSCR, 0x08, 16)
321SCIF_FNS(SCxSR, 0x14, 16)
322SCIF_FNS(SCFCR, 0x18, 16)
323SCIF_FNS(SCFDR, 0x1c, 16)
324SCIF_FNS(SCxTDR, 0x20, 8)
325SCIF_FNS(SCxRDR, 0x24, 8)
326SCIF_FNS(SCLSR, 0x00, 0)
327#elif defined(CONFIG_ARCH_SH7377) || \
328 defined(CONFIG_ARCH_SH7372) || \
329 defined(CONFIG_ARCH_SH73A0)
330SCIF_FNS(SCSMR, 0x00, 16)
331SCIF_FNS(SCBRR, 0x04, 8)
332SCIF_FNS(SCSCR, 0x08, 16)
333SCIF_FNS(SCTDSR, 0x0c, 16)
334SCIF_FNS(SCFER, 0x10, 16)
335SCIF_FNS(SCxSR, 0x14, 16)
336SCIF_FNS(SCFCR, 0x18, 16)
337SCIF_FNS(SCFDR, 0x1c, 16)
338SCIF_FNS(SCTFDR, 0x38, 16)
339SCIF_FNS(SCRFDR, 0x3c, 16)
340SCIx_FNS(SCxTDR, 0x20, 8, 0x40, 8)
341SCIx_FNS(SCxRDR, 0x24, 8, 0x60, 8)
342SCIF_FNS(SCLSR, 0x00, 0)
343#elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\
344 defined(CONFIG_CPU_SUBTYPE_SH7724)
345SCIx_FNS(SCSMR, 0x00, 16, 0x00, 16)
346SCIx_FNS(SCBRR, 0x04, 8, 0x04, 8)
347SCIx_FNS(SCSCR, 0x08, 16, 0x08, 16)
348SCIx_FNS(SCxTDR, 0x20, 8, 0x0c, 8)
349SCIx_FNS(SCxSR, 0x14, 16, 0x10, 16)
350SCIx_FNS(SCxRDR, 0x24, 8, 0x14, 8)
351SCIx_FNS(SCSPTR, 0, 0, 0, 0)
352SCIF_FNS(SCFCR, 0x18, 16)
353SCIF_FNS(SCFDR, 0x1c, 16)
354SCIF_FNS(SCLSR, 0x24, 16)
355#else
356/* reg SCI/SH3 SCI/SH4 SCIF/SH3 SCIF/SH4 SCI/H8*/
357/* name off sz off sz off sz off sz off sz*/
358SCIx_FNS(SCSMR, 0x00, 8, 0x00, 8, 0x00, 8, 0x00, 16, 0x00, 8)
359SCIx_FNS(SCBRR, 0x02, 8, 0x04, 8, 0x02, 8, 0x04, 8, 0x01, 8)
360SCIx_FNS(SCSCR, 0x04, 8, 0x08, 8, 0x04, 8, 0x08, 16, 0x02, 8)
361SCIx_FNS(SCxTDR, 0x06, 8, 0x0c, 8, 0x06, 8, 0x0C, 8, 0x03, 8)
362SCIx_FNS(SCxSR, 0x08, 8, 0x10, 8, 0x08, 16, 0x10, 16, 0x04, 8)
363SCIx_FNS(SCxRDR, 0x0a, 8, 0x14, 8, 0x0A, 8, 0x14, 8, 0x05, 8)
364SCIF_FNS(SCFCR, 0x0c, 8, 0x18, 16)
365#if defined(CONFIG_CPU_SUBTYPE_SH7760) || \
366 defined(CONFIG_CPU_SUBTYPE_SH7780) || \
367 defined(CONFIG_CPU_SUBTYPE_SH7785) || \
368 defined(CONFIG_CPU_SUBTYPE_SH7786)
369SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16)
370SCIF_FNS(SCTFDR, 0x0e, 16, 0x1C, 16)
371SCIF_FNS(SCRFDR, 0x0e, 16, 0x20, 16)
372SCIF_FNS(SCSPTR, 0, 0, 0x24, 16)
373SCIF_FNS(SCLSR, 0, 0, 0x28, 16)
374#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
375SCIF_FNS(SCFDR, 0, 0, 0x1C, 16)
376SCIF_FNS(SCTFDR, 0x0e, 16, 0x1C, 16)
377SCIF_FNS(SCRFDR, 0x0e, 16, 0x20, 16)
378SCIF_FNS(SCSPTR, 0, 0, 0x24, 16)
379SCIF_FNS(SCLSR, 0, 0, 0x28, 16)
380#else
381SCIF_FNS(SCFDR, 0x0e, 16, 0x1C, 16)
382#if defined(CONFIG_CPU_SUBTYPE_SH7722)
383SCIF_FNS(SCSPTR, 0, 0, 0, 0)
384#else
385SCIF_FNS(SCSPTR, 0, 0, 0x20, 16)
386#endif
387SCIF_FNS(SCLSR, 0, 0, 0x24, 16)
388#endif
389#endif
390#define sci_in(port, reg) sci_##reg##_in(port)
391#define sci_out(port, reg, value) sci_##reg##_out(port, value)
392
393/* H8/300 series SCI pins assignment */
394#if defined(__H8300H__) || defined(__H8300S__)
395static const struct __attribute__((packed)) {
396 int port; /* GPIO port no */
397 unsigned short rx,tx; /* GPIO bit no */
398} h8300_sci_pins[] = {
399#if defined(CONFIG_H83007) || defined(CONFIG_H83068)
400 { /* SCI0 */
401 .port = H8300_GPIO_P9,
402 .rx = H8300_GPIO_B2,
403 .tx = H8300_GPIO_B0,
404 },
405 { /* SCI1 */
406 .port = H8300_GPIO_P9,
407 .rx = H8300_GPIO_B3,
408 .tx = H8300_GPIO_B1,
409 },
410 { /* SCI2 */
411 .port = H8300_GPIO_PB,
412 .rx = H8300_GPIO_B7,
413 .tx = H8300_GPIO_B6,
414 }
415#elif defined(CONFIG_H8S2678)
416 { /* SCI0 */
417 .port = H8300_GPIO_P3,
418 .rx = H8300_GPIO_B2,
419 .tx = H8300_GPIO_B0,
420 },
421 { /* SCI1 */
422 .port = H8300_GPIO_P3,
423 .rx = H8300_GPIO_B3,
424 .tx = H8300_GPIO_B1,
425 },
426 { /* SCI2 */
427 .port = H8300_GPIO_P5,
428 .rx = H8300_GPIO_B1,
429 .tx = H8300_GPIO_B0,
430 }
431#endif
432};
433#endif
434
435#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
436 defined(CONFIG_CPU_SUBTYPE_SH7707) || \
437 defined(CONFIG_CPU_SUBTYPE_SH7708) || \
438 defined(CONFIG_CPU_SUBTYPE_SH7709)
439static inline int sci_rxd_in(struct uart_port *port)
440{
441 if (port->mapbase == 0xfffffe80)
442 return __raw_readb(SCPDR)&0x01 ? 1 : 0; /* SCI */
443 return 1;
444}
445#elif defined(CONFIG_CPU_SUBTYPE_SH7750) || \
446 defined(CONFIG_CPU_SUBTYPE_SH7751) || \
447 defined(CONFIG_CPU_SUBTYPE_SH7751R) || \
448 defined(CONFIG_CPU_SUBTYPE_SH7750R) || \
449 defined(CONFIG_CPU_SUBTYPE_SH7750S) || \
450 defined(CONFIG_CPU_SUBTYPE_SH7091)
451static inline int sci_rxd_in(struct uart_port *port)
452{
453 if (port->mapbase == 0xffe00000)
454 return __raw_readb(SCSPTR1)&0x01 ? 1 : 0; /* SCI */
455 return 1;
456}
457#elif defined(__H8300H__) || defined(__H8300S__)
458static inline int sci_rxd_in(struct uart_port *port)
459{
460 int ch = (port->mapbase - SMR0) >> 3;
461 return (H8300_SCI_DR(ch) & h8300_sci_pins[ch].rx) ? 1 : 0;
462}
463#else /* default case for non-SCI processors */
464static inline int sci_rxd_in(struct uart_port *port)
465{
466 return 1;
467}
468#endif