xref: /openbmc/qemu/hw/sh4/sh7750_regs.h (revision e0605436)
1 /*
2  * SH-7750 memory-mapped registers
3  * This file based on information provided in the following document:
4  * "Hitachi SuperH (tm) RISC engine. SH7750 Series (SH7750, SH7750S)
5  *  Hardware Manual"
6  *  Document Number ADE-602-124C, Rev. 4.0, 4/21/00, Hitachi Ltd.
7  *
8  * Copyright (C) 2001 OKTET Ltd., St.-Petersburg, Russia
9  * Author: Alexandra Kossovsky <sasha@oktet.ru>
10  *         Victor V. Vengerov <vvv@oktet.ru>
11  *
12  * The license and distribution terms for this file may be
13  * found in this file hereafter or at http://www.rtems.com/license/LICENSE.
14  *
15  *                       LICENSE INFORMATION
16  *
17  * RTEMS is free software; you can redistribute it and/or modify it under
18  * terms of the GNU General Public License as published by the
19  * Free Software Foundation; either version 2, or (at your option) any
20  * later version.  RTEMS is distributed in the hope that it will be useful,
21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23  * General Public License for more details. You should have received
24  * a copy of the GNU General Public License along with RTEMS; see
25  * file COPYING. If not, write to the Free Software Foundation, 675
26  * Mass Ave, Cambridge, MA 02139, USA.
27  *
28  * As a special exception, including RTEMS header files in a file,
29  * instantiating RTEMS generics or templates, or linking other files
30  * with RTEMS objects to produce an executable application, does not
31  * by itself cause the resulting executable application to be covered
32  * by the GNU General Public License. This exception does not
33  * however invalidate any other reasons why the executable file might be
34  * covered by the GNU Public License.
35  *
36  * @(#) sh7750_regs.h,v 1.2.4.1 2003/09/04 18:46:00 joel Exp
37  */
38 
39 #ifndef SH7750_REGS_H
40 #define SH7750_REGS_H
41 
42 /*
43  * All register has 2 addresses: in 0xff000000 - 0xffffffff (P4 address)  and
44  * in 0x1f000000 - 0x1fffffff (area 7 address)
45  */
46 #define SH7750_P4_BASE       0xff000000	/* Accessible only in
47 					   privileged mode */
48 #define SH7750_A7_BASE       0x1f000000	/* Accessible only using TLB */
49 
50 #define SH7750_P4_REG32(ofs) (SH7750_P4_BASE + (ofs))
51 #define SH7750_A7_REG32(ofs) (SH7750_A7_BASE + (ofs))
52 
53 /*
54  * MMU Registers
55  */
56 
57 /* Page Table Entry High register - PTEH */
58 #define SH7750_PTEH_REGOFS    0x000000	/* offset */
59 #define SH7750_PTEH           SH7750_P4_REG32(SH7750_PTEH_REGOFS)
60 #define SH7750_PTEH_A7        SH7750_A7_REG32(SH7750_PTEH_REGOFS)
61 #define SH7750_PTEH_VPN       0xfffffd00	/* Virtual page number */
62 #define SH7750_PTEH_VPN_S     10
63 #define SH7750_PTEH_ASID      0x000000ff	/* Address space identifier */
64 #define SH7750_PTEH_ASID_S    0
65 
66 /* Page Table Entry Low register - PTEL */
67 #define SH7750_PTEL_REGOFS    0x000004	/* offset */
68 #define SH7750_PTEL           SH7750_P4_REG32(SH7750_PTEL_REGOFS)
69 #define SH7750_PTEL_A7        SH7750_A7_REG32(SH7750_PTEL_REGOFS)
70 #define SH7750_PTEL_PPN       0x1ffffc00	/* Physical page number */
71 #define SH7750_PTEL_PPN_S     10
72 #define SH7750_PTEL_V         0x00000100	/* Validity (0-entry is invalid) */
73 #define SH7750_PTEL_SZ1       0x00000080	/* Page size bit 1 */
74 #define SH7750_PTEL_SZ0       0x00000010	/* Page size bit 0 */
75 #define SH7750_PTEL_SZ_1KB    0x00000000	/*   1-kbyte page */
76 #define SH7750_PTEL_SZ_4KB    0x00000010	/*   4-kbyte page */
77 #define SH7750_PTEL_SZ_64KB   0x00000080	/*   64-kbyte page */
78 #define SH7750_PTEL_SZ_1MB    0x00000090	/*   1-Mbyte page */
79 #define SH7750_PTEL_PR        0x00000060	/* Protection Key Data */
80 #define SH7750_PTEL_PR_ROPO   0x00000000	/*   read-only in priv mode */
81 #define SH7750_PTEL_PR_RWPO   0x00000020	/*   read-write in priv mode */
82 #define SH7750_PTEL_PR_ROPU   0x00000040	/*   read-only in priv or user mode */
83 #define SH7750_PTEL_PR_RWPU   0x00000060	/*   read-write in priv or user mode */
84 #define SH7750_PTEL_C         0x00000008	/* Cacheability
85 						   (0 - page not cacheable) */
86 #define SH7750_PTEL_D         0x00000004	/* Dirty bit (1 - write has been
87 						   performed to a page) */
88 #define SH7750_PTEL_SH        0x00000002	/* Share Status bit (1 - page are
89 						   shared by processes) */
90 #define SH7750_PTEL_WT        0x00000001	/* Write-through bit, specifies the
91 						   cache write mode:
92 						   0 - Copy-back mode
93 						   1 - Write-through mode */
94 
95 /* Page Table Entry Assistance register - PTEA */
96 #define SH7750_PTEA_REGOFS    0x000034	/* offset */
97 #define SH7750_PTEA           SH7750_P4_REG32(SH7750_PTEA_REGOFS)
98 #define SH7750_PTEA_A7        SH7750_A7_REG32(SH7750_PTEA_REGOFS)
99 #define SH7750_PTEA_TC        0x00000008	/* Timing Control bit
100 						   0 - use area 5 wait states
101 						   1 - use area 6 wait states */
102 #define SH7750_PTEA_SA        0x00000007	/* Space Attribute bits: */
103 #define SH7750_PTEA_SA_UNDEF  0x00000000	/*    0 - undefined */
104 #define SH7750_PTEA_SA_IOVAR  0x00000001	/*    1 - variable-size I/O space */
105 #define SH7750_PTEA_SA_IO8    0x00000002	/*    2 - 8-bit I/O space */
106 #define SH7750_PTEA_SA_IO16   0x00000003	/*    3 - 16-bit I/O space */
107 #define SH7750_PTEA_SA_CMEM8  0x00000004	/*    4 - 8-bit common memory space */
108 #define SH7750_PTEA_SA_CMEM16 0x00000005	/*    5 - 16-bit common memory space */
109 #define SH7750_PTEA_SA_AMEM8  0x00000006	/*    6 - 8-bit attr memory space */
110 #define SH7750_PTEA_SA_AMEM16 0x00000007	/*    7 - 16-bit attr memory space */
111 
112 
113 /* Translation table base register */
114 #define SH7750_TTB_REGOFS     0x000008	/* offset */
115 #define SH7750_TTB            SH7750_P4_REG32(SH7750_TTB_REGOFS)
116 #define SH7750_TTB_A7         SH7750_A7_REG32(SH7750_TTB_REGOFS)
117 
118 /* TLB exeption address register - TEA */
119 #define SH7750_TEA_REGOFS     0x00000c	/* offset */
120 #define SH7750_TEA            SH7750_P4_REG32(SH7750_TEA_REGOFS)
121 #define SH7750_TEA_A7         SH7750_A7_REG32(SH7750_TEA_REGOFS)
122 
123 /* MMU control register - MMUCR */
124 #define SH7750_MMUCR_REGOFS   0x000010	/* offset */
125 #define SH7750_MMUCR          SH7750_P4_REG32(SH7750_MMUCR_REGOFS)
126 #define SH7750_MMUCR_A7       SH7750_A7_REG32(SH7750_MMUCR_REGOFS)
127 #define SH7750_MMUCR_AT       0x00000001	/* Address translation bit */
128 #define SH7750_MMUCR_TI       0x00000004	/* TLB invalidate */
129 #define SH7750_MMUCR_SV       0x00000100	/* Single Virtual Mode bit */
130 #define SH7750_MMUCR_SQMD     0x00000200	/* Store Queue Mode bit */
131 #define SH7750_MMUCR_URC      0x0000FC00	/* UTLB Replace Counter */
132 #define SH7750_MMUCR_URC_S    10
133 #define SH7750_MMUCR_URB      0x00FC0000	/* UTLB Replace Boundary */
134 #define SH7750_MMUCR_URB_S    18
135 #define SH7750_MMUCR_LRUI     0xFC000000	/* Least Recently Used ITLB */
136 #define SH7750_MMUCR_LRUI_S   26
137 
138 
139 
140 
141 /*
142  * Cache registers
143  *   IC -- instructions cache
144  *   OC -- operand cache
145  */
146 
147 /* Cache Control Register - CCR */
148 #define SH7750_CCR_REGOFS     0x00001c	/* offset */
149 #define SH7750_CCR            SH7750_P4_REG32(SH7750_CCR_REGOFS)
150 #define SH7750_CCR_A7         SH7750_A7_REG32(SH7750_CCR_REGOFS)
151 
152 #define SH7750_CCR_IIX      0x00008000	/* IC index enable bit */
153 #define SH7750_CCR_ICI      0x00000800	/* IC invalidation bit:
154 					   set it to clear IC */
155 #define SH7750_CCR_ICE      0x00000100	/* IC enable bit */
156 #define SH7750_CCR_OIX      0x00000080	/* OC index enable bit */
157 #define SH7750_CCR_ORA      0x00000020	/* OC RAM enable bit
158 					   if you set OCE = 0,
159 					   you should set ORA = 0 */
160 #define SH7750_CCR_OCI      0x00000008	/* OC invalidation bit */
161 #define SH7750_CCR_CB       0x00000004	/* Copy-back bit for P1 area */
162 #define SH7750_CCR_WT       0x00000002	/* Write-through bit for P0,U0,P3 area */
163 #define SH7750_CCR_OCE      0x00000001	/* OC enable bit */
164 
165 /* Queue address control register 0 - QACR0 */
166 #define SH7750_QACR0_REGOFS   0x000038	/* offset */
167 #define SH7750_QACR0          SH7750_P4_REG32(SH7750_QACR0_REGOFS)
168 #define SH7750_QACR0_A7       SH7750_A7_REG32(SH7750_QACR0_REGOFS)
169 
170 /* Queue address control register 1 - QACR1 */
171 #define SH7750_QACR1_REGOFS   0x00003c	/* offset */
172 #define SH7750_QACR1          SH7750_P4_REG32(SH7750_QACR1_REGOFS)
173 #define SH7750_QACR1_A7       SH7750_A7_REG32(SH7750_QACR1_REGOFS)
174 
175 
176 /*
177  * Exeption-related registers
178  */
179 
180 /* Immediate data for TRAPA instruction - TRA */
181 #define SH7750_TRA_REGOFS     0x000020	/* offset */
182 #define SH7750_TRA            SH7750_P4_REG32(SH7750_TRA_REGOFS)
183 #define SH7750_TRA_A7         SH7750_A7_REG32(SH7750_TRA_REGOFS)
184 
185 #define SH7750_TRA_IMM      0x000003fd	/* Immediate data operand */
186 #define SH7750_TRA_IMM_S    2
187 
188 /* Exeption event register - EXPEVT */
189 #define SH7750_EXPEVT_REGOFS  0x000024
190 #define SH7750_EXPEVT         SH7750_P4_REG32(SH7750_EXPEVT_REGOFS)
191 #define SH7750_EXPEVT_A7      SH7750_A7_REG32(SH7750_EXPEVT_REGOFS)
192 
193 #define SH7750_EXPEVT_EX      0x00000fff	/* Exeption code */
194 #define SH7750_EXPEVT_EX_S    0
195 
196 /* Interrupt event register */
197 #define SH7750_INTEVT_REGOFS  0x000028
198 #define SH7750_INTEVT         SH7750_P4_REG32(SH7750_INTEVT_REGOFS)
199 #define SH7750_INTEVT_A7      SH7750_A7_REG32(SH7750_INTEVT_REGOFS)
200 #define SH7750_INTEVT_EX    0x00000fff	/* Exeption code */
201 #define SH7750_INTEVT_EX_S  0
202 
203 /*
204  * Exception/interrupt codes
205  */
206 #define SH7750_EVT_TO_NUM(evt)  ((evt) >> 5)
207 
208 /* Reset exception category */
209 #define SH7750_EVT_POWER_ON_RST        0x000	/* Power-on reset */
210 #define SH7750_EVT_MANUAL_RST          0x020	/* Manual reset */
211 #define SH7750_EVT_TLB_MULT_HIT        0x140	/* TLB multiple-hit exception */
212 
213 /* General exception category */
214 #define SH7750_EVT_USER_BREAK          0x1E0	/* User break */
215 #define SH7750_EVT_IADDR_ERR           0x0E0	/* Instruction address error */
216 #define SH7750_EVT_TLB_READ_MISS       0x040	/* ITLB miss exception /
217 						   DTLB miss exception (read) */
218 #define SH7750_EVT_TLB_READ_PROTV      0x0A0	/* ITLB protection violation /
219 						   DTLB protection violation (read) */
220 #define SH7750_EVT_ILLEGAL_INSTR       0x180	/* General Illegal Instruction
221 						   exception */
222 #define SH7750_EVT_SLOT_ILLEGAL_INSTR  0x1A0	/* Slot Illegal Instruction
223 						   exception */
224 #define SH7750_EVT_FPU_DISABLE         0x800	/* General FPU disable exception */
225 #define SH7750_EVT_SLOT_FPU_DISABLE    0x820	/* Slot FPU disable exception */
226 #define SH7750_EVT_DATA_READ_ERR       0x0E0	/* Data address error (read) */
227 #define SH7750_EVT_DATA_WRITE_ERR      0x100	/* Data address error (write) */
228 #define SH7750_EVT_DTLB_WRITE_MISS     0x060	/* DTLB miss exception (write) */
229 #define SH7750_EVT_DTLB_WRITE_PROTV    0x0C0	/* DTLB protection violation
230 						   exception (write) */
231 #define SH7750_EVT_FPU_EXCEPTION       0x120	/* FPU exception */
232 #define SH7750_EVT_INITIAL_PGWRITE     0x080	/* Initial Page Write exception */
233 #define SH7750_EVT_TRAPA               0x160	/* Unconditional trap (TRAPA) */
234 
235 /* Interrupt exception category */
236 #define SH7750_EVT_NMI                 0x1C0	/* Non-maskable interrupt */
237 #define SH7750_EVT_IRQ0                0x200	/* External Interrupt 0 */
238 #define SH7750_EVT_IRQ1                0x220	/* External Interrupt 1 */
239 #define SH7750_EVT_IRQ2                0x240	/* External Interrupt 2 */
240 #define SH7750_EVT_IRQ3                0x260	/* External Interrupt 3 */
241 #define SH7750_EVT_IRQ4                0x280	/* External Interrupt 4 */
242 #define SH7750_EVT_IRQ5                0x2A0	/* External Interrupt 5 */
243 #define SH7750_EVT_IRQ6                0x2C0	/* External Interrupt 6 */
244 #define SH7750_EVT_IRQ7                0x2E0	/* External Interrupt 7 */
245 #define SH7750_EVT_IRQ8                0x300	/* External Interrupt 8 */
246 #define SH7750_EVT_IRQ9                0x320	/* External Interrupt 9 */
247 #define SH7750_EVT_IRQA                0x340	/* External Interrupt A */
248 #define SH7750_EVT_IRQB                0x360	/* External Interrupt B */
249 #define SH7750_EVT_IRQC                0x380	/* External Interrupt C */
250 #define SH7750_EVT_IRQD                0x3A0	/* External Interrupt D */
251 #define SH7750_EVT_IRQE                0x3C0	/* External Interrupt E */
252 
253 /* Peripheral Module Interrupts - Timer Unit (TMU) */
254 #define SH7750_EVT_TUNI0               0x400	/* TMU Underflow Interrupt 0 */
255 #define SH7750_EVT_TUNI1               0x420	/* TMU Underflow Interrupt 1 */
256 #define SH7750_EVT_TUNI2               0x440	/* TMU Underflow Interrupt 2 */
257 #define SH7750_EVT_TICPI2              0x460	/* TMU Input Capture Interrupt 2 */
258 
259 /* Peripheral Module Interrupts - Real-Time Clock (RTC) */
260 #define SH7750_EVT_RTC_ATI             0x480	/* Alarm Interrupt Request */
261 #define SH7750_EVT_RTC_PRI             0x4A0	/* Periodic Interrupt Request */
262 #define SH7750_EVT_RTC_CUI             0x4C0	/* Carry Interrupt Request */
263 
264 /* Peripheral Module Interrupts - Serial Communication Interface (SCI) */
265 #define SH7750_EVT_SCI_ERI             0x4E0	/* Receive Error */
266 #define SH7750_EVT_SCI_RXI             0x500	/* Receive Data Register Full */
267 #define SH7750_EVT_SCI_TXI             0x520	/* Transmit Data Register Empty */
268 #define SH7750_EVT_SCI_TEI             0x540	/* Transmit End */
269 
270 /* Peripheral Module Interrupts - Watchdog Timer (WDT) */
271 #define SH7750_EVT_WDT_ITI             0x560	/* Interval Timer Interrupt
272 						   (used when WDT operates in
273 						   interval timer mode) */
274 
275 /* Peripheral Module Interrupts - Memory Refresh Unit (REF) */
276 #define SH7750_EVT_REF_RCMI            0x580	/* Compare-match Interrupt */
277 #define SH7750_EVT_REF_ROVI            0x5A0	/* Refresh Counter Overflow
278 						   interrupt */
279 
280 /* Peripheral Module Interrupts - Hitachi User Debug Interface (H-UDI) */
281 #define SH7750_EVT_HUDI                0x600	/* UDI interrupt */
282 
283 /* Peripheral Module Interrupts - General-Purpose I/O (GPIO) */
284 #define SH7750_EVT_GPIO                0x620	/* GPIO Interrupt */
285 
286 /* Peripheral Module Interrupts - DMA Controller (DMAC) */
287 #define SH7750_EVT_DMAC_DMTE0          0x640	/* DMAC 0 Transfer End Interrupt */
288 #define SH7750_EVT_DMAC_DMTE1          0x660	/* DMAC 1 Transfer End Interrupt */
289 #define SH7750_EVT_DMAC_DMTE2          0x680	/* DMAC 2 Transfer End Interrupt */
290 #define SH7750_EVT_DMAC_DMTE3          0x6A0	/* DMAC 3 Transfer End Interrupt */
291 #define SH7750_EVT_DMAC_DMAE           0x6C0	/* DMAC Address Error Interrupt */
292 
293 /* Peripheral Module Interrupts - Serial Communication Interface with FIFO */
294 /*                                                                  (SCIF) */
295 #define SH7750_EVT_SCIF_ERI            0x700	/* Receive Error */
296 #define SH7750_EVT_SCIF_RXI            0x720	/* Receive FIFO Data Full or
297 						   Receive Data ready interrupt */
298 #define SH7750_EVT_SCIF_BRI            0x740	/* Break or overrun error */
299 #define SH7750_EVT_SCIF_TXI            0x760	/* Transmit FIFO Data Empty */
300 
301 /*
302  * Power Management
303  */
304 #define SH7750_STBCR_REGOFS   0xC00004	/* offset */
305 #define SH7750_STBCR          SH7750_P4_REG32(SH7750_STBCR_REGOFS)
306 #define SH7750_STBCR_A7       SH7750_A7_REG32(SH7750_STBCR_REGOFS)
307 
308 #define SH7750_STBCR_STBY     0x80	/* Specifies a transition to standby mode:
309 					   0 - Transition to SLEEP mode on SLEEP
310 					   1 - Transition to STANDBY mode on SLEEP */
311 #define SH7750_STBCR_PHZ      0x40	/* State of peripheral module pins in
312 					   standby mode:
313 					   0 - normal state
314 					   1 - high-impendance state */
315 
316 #define SH7750_STBCR_PPU      0x20	/* Peripheral module pins pull-up controls */
317 #define SH7750_STBCR_MSTP4    0x10	/* Stopping the clock supply to DMAC */
318 #define SH7750_STBCR_DMAC_STP SH7750_STBCR_MSTP4
319 #define SH7750_STBCR_MSTP3    0x08	/* Stopping the clock supply to SCIF */
320 #define SH7750_STBCR_SCIF_STP SH7750_STBCR_MSTP3
321 #define SH7750_STBCR_MSTP2    0x04	/* Stopping the clock supply to TMU */
322 #define SH7750_STBCR_TMU_STP  SH7750_STBCR_MSTP2
323 #define SH7750_STBCR_MSTP1    0x02	/* Stopping the clock supply to RTC */
324 #define SH7750_STBCR_RTC_STP  SH7750_STBCR_MSTP1
325 #define SH7750_STBCR_MSPT0    0x01	/* Stopping the clock supply to SCI */
326 #define SH7750_STBCR_SCI_STP  SH7750_STBCR_MSTP0
327 
328 #define SH7750_STBCR_STBY     0x80
329 
330 
331 #define SH7750_STBCR2_REGOFS  0xC00010	/* offset */
332 #define SH7750_STBCR2         SH7750_P4_REG32(SH7750_STBCR2_REGOFS)
333 #define SH7750_STBCR2_A7      SH7750_A7_REG32(SH7750_STBCR2_REGOFS)
334 
335 #define SH7750_STBCR2_DSLP    0x80	/* Specifies transition to deep sleep mode:
336 					   0 - transition to sleep or standby mode
337 					   as it is specified in STBY bit
338 					   1 - transition to deep sleep mode on
339 					   execution of SLEEP instruction */
340 #define SH7750_STBCR2_MSTP6   0x02	/* Stopping the clock supply to Store Queue
341 					   in the cache controller */
342 #define SH7750_STBCR2_SQ_STP  SH7750_STBCR2_MSTP6
343 #define SH7750_STBCR2_MSTP5   0x01	/* Stopping the clock supply to the User
344 					   Break Controller (UBC) */
345 #define SH7750_STBCR2_UBC_STP SH7750_STBCR2_MSTP5
346 
347 /*
348  * Clock Pulse Generator (CPG)
349  */
350 #define SH7750_FRQCR_REGOFS   0xC00000	/* offset */
351 #define SH7750_FRQCR          SH7750_P4_REG32(SH7750_FRQCR_REGOFS)
352 #define SH7750_FRQCR_A7       SH7750_A7_REG32(SH7750_FRQCR_REGOFS)
353 
354 #define SH7750_FRQCR_CKOEN    0x0800	/* Clock Output Enable
355 					   0 - CKIO pin goes to HiZ/pullup
356 					   1 - Clock is output from CKIO */
357 #define SH7750_FRQCR_PLL1EN   0x0400	/* PLL circuit 1 enable */
358 #define SH7750_FRQCR_PLL2EN   0x0200	/* PLL circuit 2 enable */
359 
360 #define SH7750_FRQCR_IFC      0x01C0	/* CPU clock frequency division ratio: */
361 #define SH7750_FRQCR_IFCDIV1  0x0000	/*    0 - * 1 */
362 #define SH7750_FRQCR_IFCDIV2  0x0040	/*    1 - * 1/2 */
363 #define SH7750_FRQCR_IFCDIV3  0x0080	/*    2 - * 1/3 */
364 #define SH7750_FRQCR_IFCDIV4  0x00C0	/*    3 - * 1/4 */
365 #define SH7750_FRQCR_IFCDIV6  0x0100	/*    4 - * 1/6 */
366 #define SH7750_FRQCR_IFCDIV8  0x0140	/*    5 - * 1/8 */
367 
368 #define SH7750_FRQCR_BFC      0x0038	/* Bus clock frequency division ratio: */
369 #define SH7750_FRQCR_BFCDIV1  0x0000	/*    0 - * 1 */
370 #define SH7750_FRQCR_BFCDIV2  0x0008	/*    1 - * 1/2 */
371 #define SH7750_FRQCR_BFCDIV3  0x0010	/*    2 - * 1/3 */
372 #define SH7750_FRQCR_BFCDIV4  0x0018	/*    3 - * 1/4 */
373 #define SH7750_FRQCR_BFCDIV6  0x0020	/*    4 - * 1/6 */
374 #define SH7750_FRQCR_BFCDIV8  0x0028	/*    5 - * 1/8 */
375 
376 #define SH7750_FRQCR_PFC      0x0007	/* Peripheral module clock frequency
377 					   division ratio: */
378 #define SH7750_FRQCR_PFCDIV2  0x0000	/*    0 - * 1/2 */
379 #define SH7750_FRQCR_PFCDIV3  0x0001	/*    1 - * 1/3 */
380 #define SH7750_FRQCR_PFCDIV4  0x0002	/*    2 - * 1/4 */
381 #define SH7750_FRQCR_PFCDIV6  0x0003	/*    3 - * 1/6 */
382 #define SH7750_FRQCR_PFCDIV8  0x0004	/*    4 - * 1/8 */
383 
384 /*
385  * Watchdog Timer (WDT)
386  */
387 
388 /* Watchdog Timer Counter register - WTCNT */
389 #define SH7750_WTCNT_REGOFS   0xC00008	/* offset */
390 #define SH7750_WTCNT          SH7750_P4_REG32(SH7750_WTCNT_REGOFS)
391 #define SH7750_WTCNT_A7       SH7750_A7_REG32(SH7750_WTCNT_REGOFS)
392 #define SH7750_WTCNT_KEY      0x5A00	/* When WTCNT byte register written,
393 					   you have to set the upper byte to
394 					   0x5A */
395 
396 /* Watchdog Timer Control/Status register - WTCSR */
397 #define SH7750_WTCSR_REGOFS   0xC0000C	/* offset */
398 #define SH7750_WTCSR          SH7750_P4_REG32(SH7750_WTCSR_REGOFS)
399 #define SH7750_WTCSR_A7       SH7750_A7_REG32(SH7750_WTCSR_REGOFS)
400 #define SH7750_WTCSR_KEY      0xA500	/* When WTCSR byte register written,
401 					   you have to set the upper byte to
402 					   0xA5 */
403 #define SH7750_WTCSR_TME      0x80	/* Timer enable (1-upcount start) */
404 #define SH7750_WTCSR_MODE     0x40	/* Timer Mode Select: */
405 #define SH7750_WTCSR_MODE_WT  0x40	/*    Watchdog Timer Mode */
406 #define SH7750_WTCSR_MODE_IT  0x00	/*    Interval Timer Mode */
407 #define SH7750_WTCSR_RSTS     0x20	/* Reset Select: */
408 #define SH7750_WTCSR_RST_MAN  0x20	/*    Manual Reset */
409 #define SH7750_WTCSR_RST_PWR  0x00	/*    Power-on Reset */
410 #define SH7750_WTCSR_WOVF     0x10	/* Watchdog Timer Overflow Flag */
411 #define SH7750_WTCSR_IOVF     0x08	/* Interval Timer Overflow Flag */
412 #define SH7750_WTCSR_CKS      0x07	/* Clock Select: */
413 #define SH7750_WTCSR_CKS_DIV32   0x00	/*   1/32 of frequency divider 2 input */
414 #define SH7750_WTCSR_CKS_DIV64   0x01	/*   1/64 */
415 #define SH7750_WTCSR_CKS_DIV128  0x02	/*   1/128 */
416 #define SH7750_WTCSR_CKS_DIV256  0x03	/*   1/256 */
417 #define SH7750_WTCSR_CKS_DIV512  0x04	/*   1/512 */
418 #define SH7750_WTCSR_CKS_DIV1024 0x05	/*   1/1024 */
419 #define SH7750_WTCSR_CKS_DIV2048 0x06	/*   1/2048 */
420 #define SH7750_WTCSR_CKS_DIV4096 0x07	/*   1/4096 */
421 
422 /*
423  * Real-Time Clock (RTC)
424  */
425 /* 64-Hz Counter Register (byte, read-only) - R64CNT */
426 #define SH7750_R64CNT_REGOFS  0xC80000	/* offset */
427 #define SH7750_R64CNT         SH7750_P4_REG32(SH7750_R64CNT_REGOFS)
428 #define SH7750_R64CNT_A7      SH7750_A7_REG32(SH7750_R64CNT_REGOFS)
429 
430 /* Second Counter Register (byte, BCD-coded) - RSECCNT */
431 #define SH7750_RSECCNT_REGOFS 0xC80004	/* offset */
432 #define SH7750_RSECCNT        SH7750_P4_REG32(SH7750_RSECCNT_REGOFS)
433 #define SH7750_RSECCNT_A7     SH7750_A7_REG32(SH7750_RSECCNT_REGOFS)
434 
435 /* Minute Counter Register (byte, BCD-coded) - RMINCNT */
436 #define SH7750_RMINCNT_REGOFS 0xC80008	/* offset */
437 #define SH7750_RMINCNT        SH7750_P4_REG32(SH7750_RMINCNT_REGOFS)
438 #define SH7750_RMINCNT_A7     SH7750_A7_REG32(SH7750_RMINCNT_REGOFS)
439 
440 /* Hour Counter Register (byte, BCD-coded) - RHRCNT */
441 #define SH7750_RHRCNT_REGOFS  0xC8000C	/* offset */
442 #define SH7750_RHRCNT         SH7750_P4_REG32(SH7750_RHRCNT_REGOFS)
443 #define SH7750_RHRCNT_A7      SH7750_A7_REG32(SH7750_RHRCNT_REGOFS)
444 
445 /* Day-of-Week Counter Register (byte) - RWKCNT */
446 #define SH7750_RWKCNT_REGOFS  0xC80010	/* offset */
447 #define SH7750_RWKCNT         SH7750_P4_REG32(SH7750_RWKCNT_REGOFS)
448 #define SH7750_RWKCNT_A7      SH7750_A7_REG32(SH7750_RWKCNT_REGOFS)
449 
450 #define SH7750_RWKCNT_SUN     0	/* Sunday */
451 #define SH7750_RWKCNT_MON     1	/* Monday */
452 #define SH7750_RWKCNT_TUE     2	/* Tuesday */
453 #define SH7750_RWKCNT_WED     3	/* Wednesday */
454 #define SH7750_RWKCNT_THU     4	/* Thursday */
455 #define SH7750_RWKCNT_FRI     5	/* Friday */
456 #define SH7750_RWKCNT_SAT     6	/* Saturday */
457 
458 /* Day Counter Register (byte, BCD-coded) - RDAYCNT */
459 #define SH7750_RDAYCNT_REGOFS 0xC80014	/* offset */
460 #define SH7750_RDAYCNT        SH7750_P4_REG32(SH7750_RDAYCNT_REGOFS)
461 #define SH7750_RDAYCNT_A7     SH7750_A7_REG32(SH7750_RDAYCNT_REGOFS)
462 
463 /* Month Counter Register (byte, BCD-coded) - RMONCNT */
464 #define SH7750_RMONCNT_REGOFS 0xC80018	/* offset */
465 #define SH7750_RMONCNT        SH7750_P4_REG32(SH7750_RMONCNT_REGOFS)
466 #define SH7750_RMONCNT_A7     SH7750_A7_REG32(SH7750_RMONCNT_REGOFS)
467 
468 /* Year Counter Register (half, BCD-coded) - RYRCNT */
469 #define SH7750_RYRCNT_REGOFS  0xC8001C	/* offset */
470 #define SH7750_RYRCNT         SH7750_P4_REG32(SH7750_RYRCNT_REGOFS)
471 #define SH7750_RYRCNT_A7      SH7750_A7_REG32(SH7750_RYRCNT_REGOFS)
472 
473 /* Second Alarm Register (byte, BCD-coded) - RSECAR */
474 #define SH7750_RSECAR_REGOFS  0xC80020	/* offset */
475 #define SH7750_RSECAR         SH7750_P4_REG32(SH7750_RSECAR_REGOFS)
476 #define SH7750_RSECAR_A7      SH7750_A7_REG32(SH7750_RSECAR_REGOFS)
477 #define SH7750_RSECAR_ENB     0x80	/* Second Alarm Enable */
478 
479 /* Minute Alarm Register (byte, BCD-coded) - RMINAR */
480 #define SH7750_RMINAR_REGOFS  0xC80024	/* offset */
481 #define SH7750_RMINAR         SH7750_P4_REG32(SH7750_RMINAR_REGOFS)
482 #define SH7750_RMINAR_A7      SH7750_A7_REG32(SH7750_RMINAR_REGOFS)
483 #define SH7750_RMINAR_ENB     0x80	/* Minute Alarm Enable */
484 
485 /* Hour Alarm Register (byte, BCD-coded) - RHRAR */
486 #define SH7750_RHRAR_REGOFS   0xC80028	/* offset */
487 #define SH7750_RHRAR          SH7750_P4_REG32(SH7750_RHRAR_REGOFS)
488 #define SH7750_RHRAR_A7       SH7750_A7_REG32(SH7750_RHRAR_REGOFS)
489 #define SH7750_RHRAR_ENB      0x80	/* Hour Alarm Enable */
490 
491 /* Day-of-Week Alarm Register (byte) - RWKAR */
492 #define SH7750_RWKAR_REGOFS   0xC8002C	/* offset */
493 #define SH7750_RWKAR          SH7750_P4_REG32(SH7750_RWKAR_REGOFS)
494 #define SH7750_RWKAR_A7       SH7750_A7_REG32(SH7750_RWKAR_REGOFS)
495 #define SH7750_RWKAR_ENB      0x80	/* Day-of-week Alarm Enable */
496 
497 #define SH7750_RWKAR_SUN      0	/* Sunday */
498 #define SH7750_RWKAR_MON      1	/* Monday */
499 #define SH7750_RWKAR_TUE      2	/* Tuesday */
500 #define SH7750_RWKAR_WED      3	/* Wednesday */
501 #define SH7750_RWKAR_THU      4	/* Thursday */
502 #define SH7750_RWKAR_FRI      5	/* Friday */
503 #define SH7750_RWKAR_SAT      6	/* Saturday */
504 
505 /* Day Alarm Register (byte, BCD-coded) - RDAYAR */
506 #define SH7750_RDAYAR_REGOFS  0xC80030	/* offset */
507 #define SH7750_RDAYAR         SH7750_P4_REG32(SH7750_RDAYAR_REGOFS)
508 #define SH7750_RDAYAR_A7      SH7750_A7_REG32(SH7750_RDAYAR_REGOFS)
509 #define SH7750_RDAYAR_ENB     0x80	/* Day Alarm Enable */
510 
511 /* Month Counter Register (byte, BCD-coded) - RMONAR */
512 #define SH7750_RMONAR_REGOFS  0xC80034	/* offset */
513 #define SH7750_RMONAR         SH7750_P4_REG32(SH7750_RMONAR_REGOFS)
514 #define SH7750_RMONAR_A7      SH7750_A7_REG32(SH7750_RMONAR_REGOFS)
515 #define SH7750_RMONAR_ENB     0x80	/* Month Alarm Enable */
516 
517 /* RTC Control Register 1 (byte) - RCR1 */
518 #define SH7750_RCR1_REGOFS    0xC80038	/* offset */
519 #define SH7750_RCR1           SH7750_P4_REG32(SH7750_RCR1_REGOFS)
520 #define SH7750_RCR1_A7        SH7750_A7_REG32(SH7750_RCR1_REGOFS)
521 #define SH7750_RCR1_CF        0x80	/* Carry Flag */
522 #define SH7750_RCR1_CIE       0x10	/* Carry Interrupt Enable */
523 #define SH7750_RCR1_AIE       0x08	/* Alarm Interrupt Enable */
524 #define SH7750_RCR1_AF        0x01	/* Alarm Flag */
525 
526 /* RTC Control Register 2 (byte) - RCR2 */
527 #define SH7750_RCR2_REGOFS    0xC8003C	/* offset */
528 #define SH7750_RCR2           SH7750_P4_REG32(SH7750_RCR2_REGOFS)
529 #define SH7750_RCR2_A7        SH7750_A7_REG32(SH7750_RCR2_REGOFS)
530 #define SH7750_RCR2_PEF        0x80	/* Periodic Interrupt Flag */
531 #define SH7750_RCR2_PES        0x70	/* Periodic Interrupt Enable: */
532 #define SH7750_RCR2_PES_DIS    0x00	/*   Periodic Interrupt Disabled */
533 #define SH7750_RCR2_PES_DIV256 0x10	/*   Generated at 1/256 sec interval */
534 #define SH7750_RCR2_PES_DIV64  0x20	/*   Generated at 1/64 sec interval */
535 #define SH7750_RCR2_PES_DIV16  0x30	/*   Generated at 1/16 sec interval */
536 #define SH7750_RCR2_PES_DIV4   0x40	/*   Generated at 1/4 sec interval */
537 #define SH7750_RCR2_PES_DIV2   0x50	/*   Generated at 1/2 sec interval */
538 #define SH7750_RCR2_PES_x1     0x60	/*   Generated at 1 sec interval */
539 #define SH7750_RCR2_PES_x2     0x70	/*   Generated at 2 sec interval */
540 #define SH7750_RCR2_RTCEN      0x08	/* RTC Crystal Oscillator is Operated */
541 #define SH7750_RCR2_ADJ        0x04	/* 30-Second Adjastment */
542 #define SH7750_RCR2_RESET      0x02	/* Frequency divider circuits are reset */
543 #define SH7750_RCR2_START      0x01	/* 0 - sec, min, hr, day-of-week, month,
544 					   year counters are stopped
545 					   1 - sec, min, hr, day-of-week, month,
546 					   year counters operate normally */
547 /*
548  * Bus State Controller - BSC
549  */
550 /* Bus Control Register 1 - BCR1 */
551 #define SH7750_BCR1_REGOFS    0x800000	/* offset */
552 #define SH7750_BCR1           SH7750_P4_REG32(SH7750_BCR1_REGOFS)
553 #define SH7750_BCR1_A7        SH7750_A7_REG32(SH7750_BCR1_REGOFS)
554 #define SH7750_BCR1_ENDIAN    0x80000000	/* Endianness (1 - little endian) */
555 #define SH7750_BCR1_MASTER    0x40000000	/* Master/Slave mode (1-master) */
556 #define SH7750_BCR1_A0MPX     0x20000000	/* Area 0 Memory Type (0-SRAM,1-MPX) */
557 #define SH7750_BCR1_IPUP      0x02000000	/* Input Pin Pull-up Control:
558 						   0 - pull-up resistor is on for
559 						   control input pins
560 						   1 - pull-up resistor is off */
561 #define SH7750_BCR1_OPUP      0x01000000	/* Output Pin Pull-up Control:
562 						   0 - pull-up resistor is on for
563 						   control output pins
564 						   1 - pull-up resistor is off */
565 #define SH7750_BCR1_A1MBC     0x00200000	/* Area 1 SRAM Byte Control Mode:
566 						   0 - Area 1 SRAM is set to
567 						   normal mode
568 						   1 - Area 1 SRAM is set to byte
569 						   control mode */
570 #define SH7750_BCR1_A4MBC     0x00100000	/* Area 4 SRAM Byte Control Mode:
571 						   0 - Area 4 SRAM is set to
572 						   normal mode
573 						   1 - Area 4 SRAM is set to byte
574 						   control mode */
575 #define SH7750_BCR1_BREQEN    0x00080000	/* BREQ Enable:
576 						   0 - External requests are  not
577 						   accepted
578 						   1 - External requests are
579 						   accepted */
580 #define SH7750_BCR1_PSHR      0x00040000	/* Partial Sharing Bit:
581 						   0 - Master Mode
582 						   1 - Partial-sharing Mode */
583 #define SH7750_BCR1_MEMMPX    0x00020000	/* Area 1 to 6 MPX Interface:
584 						   0 - SRAM/burst ROM interface
585 						   1 - MPX interface */
586 #define SH7750_BCR1_HIZMEM    0x00008000	/* High Impendance Control. Specifies
587 						   the state of A[25:0], BS\, CSn\,
588 						   RD/WR\, CE2A\, CE2B\ in standby
589 						   mode and when bus is released:
590 						   0 - signals go to High-Z mode
591 						   1 - signals driven */
592 #define SH7750_BCR1_HIZCNT    0x00004000	/* High Impendance Control. Specifies
593 						   the state of the RAS\, RAS2\, WEn\,
594 						   CASn\, DQMn, RD\, CASS\, FRAME\,
595 						   RD2\ signals in standby mode and
596 						   when bus is released:
597 						   0 - signals go to High-Z mode
598 						   1 - signals driven */
599 #define SH7750_BCR1_A0BST     0x00003800	/* Area 0 Burst ROM Control */
600 #define SH7750_BCR1_A0BST_SRAM    0x0000	/*   Area 0 accessed as SRAM i/f */
601 #define SH7750_BCR1_A0BST_ROM4    0x0800	/*   Area 0 accessed as burst ROM
602 						   interface, 4 cosequtive access */
603 #define SH7750_BCR1_A0BST_ROM8    0x1000	/*   Area 0 accessed as burst ROM
604 						   interface, 8 cosequtive access */
605 #define SH7750_BCR1_A0BST_ROM16   0x1800	/*   Area 0 accessed as burst ROM
606 						   interface, 16 cosequtive access */
607 #define SH7750_BCR1_A0BST_ROM32   0x2000	/*   Area 0 accessed as burst ROM
608 						   interface, 32 cosequtive access */
609 
610 #define SH7750_BCR1_A5BST     0x00000700	/* Area 5 Burst ROM Control */
611 #define SH7750_BCR1_A5BST_SRAM    0x0000	/*   Area 5 accessed as SRAM i/f */
612 #define SH7750_BCR1_A5BST_ROM4    0x0100	/*   Area 5 accessed as burst ROM
613 						   interface, 4 cosequtive access */
614 #define SH7750_BCR1_A5BST_ROM8    0x0200	/*   Area 5 accessed as burst ROM
615 						   interface, 8 cosequtive access */
616 #define SH7750_BCR1_A5BST_ROM16   0x0300	/*   Area 5 accessed as burst ROM
617 						   interface, 16 cosequtive access */
618 #define SH7750_BCR1_A5BST_ROM32   0x0400	/*   Area 5 accessed as burst ROM
619 						   interface, 32 cosequtive access */
620 
621 #define SH7750_BCR1_A6BST     0x000000E0	/* Area 6 Burst ROM Control */
622 #define SH7750_BCR1_A6BST_SRAM    0x0000	/*   Area 6 accessed as SRAM i/f */
623 #define SH7750_BCR1_A6BST_ROM4    0x0020	/*   Area 6 accessed as burst ROM
624 						   interface, 4 cosequtive access */
625 #define SH7750_BCR1_A6BST_ROM8    0x0040	/*   Area 6 accessed as burst ROM
626 						   interface, 8 cosequtive access */
627 #define SH7750_BCR1_A6BST_ROM16   0x0060	/*   Area 6 accessed as burst ROM
628 						   interface, 16 cosequtive access */
629 #define SH7750_BCR1_A6BST_ROM32   0x0080	/*   Area 6 accessed as burst ROM
630 						   interface, 32 cosequtive access */
631 
632 #define SH7750_BCR1_DRAMTP        0x001C	/* Area 2 and 3 Memory Type */
633 #define SH7750_BCR1_DRAMTP_2SRAM_3SRAM   0x0000	/* Area 2 and 3 are SRAM or MPX
634 						   interface. */
635 #define SH7750_BCR1_DRAMTP_2SRAM_3SDRAM  0x0008	/* Area 2 - SRAM/MPX, Area 3 -
636 						   synchronous DRAM */
637 #define SH7750_BCR1_DRAMTP_2SDRAM_3SDRAM 0x000C	/* Area 2 and 3 are synchronous
638 						   DRAM interface */
639 #define SH7750_BCR1_DRAMTP_2SRAM_3DRAM   0x0010	/* Area 2 - SRAM/MPX, Area 3 -
640 						   DRAM interface */
641 #define SH7750_BCR1_DRAMTP_2DRAM_3DRAM   0x0014	/* Area 2 and 3 are DRAM
642 						   interface */
643 
644 #define SH7750_BCR1_A56PCM    0x00000001	/* Area 5 and 6 Bus Type:
645 						   0 - SRAM interface
646 						   1 - PCMCIA interface */
647 
648 /* Bus Control Register 2 (half) - BCR2 */
649 #define SH7750_BCR2_REGOFS    0x800004	/* offset */
650 #define SH7750_BCR2           SH7750_P4_REG32(SH7750_BCR2_REGOFS)
651 #define SH7750_BCR2_A7        SH7750_A7_REG32(SH7750_BCR2_REGOFS)
652 
653 #define SH7750_BCR2_A0SZ      0xC000	/* Area 0 Bus Width */
654 #define SH7750_BCR2_A0SZ_S    14
655 #define SH7750_BCR2_A6SZ      0x3000	/* Area 6 Bus Width */
656 #define SH7750_BCR2_A6SZ_S    12
657 #define SH7750_BCR2_A5SZ      0x0C00	/* Area 5 Bus Width */
658 #define SH7750_BCR2_A5SZ_S    10
659 #define SH7750_BCR2_A4SZ      0x0300	/* Area 4 Bus Width */
660 #define SH7750_BCR2_A4SZ_S    8
661 #define SH7750_BCR2_A3SZ      0x00C0	/* Area 3 Bus Width */
662 #define SH7750_BCR2_A3SZ_S    6
663 #define SH7750_BCR2_A2SZ      0x0030	/* Area 2 Bus Width */
664 #define SH7750_BCR2_A2SZ_S    4
665 #define SH7750_BCR2_A1SZ      0x000C	/* Area 1 Bus Width */
666 #define SH7750_BCR2_A1SZ_S    2
667 #define SH7750_BCR2_SZ_64     0	/* 64 bits */
668 #define SH7750_BCR2_SZ_8      1	/* 8 bits */
669 #define SH7750_BCR2_SZ_16     2	/* 16 bits */
670 #define SH7750_BCR2_SZ_32     3	/* 32 bits */
671 #define SH7750_BCR2_PORTEN    0x0001	/* Port Function Enable :
672 					   0 - D51-D32 are not used as a port
673 					   1 - D51-D32 are used as a port */
674 
675 /* Wait Control Register 1 - WCR1 */
676 #define SH7750_WCR1_REGOFS    0x800008	/* offset */
677 #define SH7750_WCR1           SH7750_P4_REG32(SH7750_WCR1_REGOFS)
678 #define SH7750_WCR1_A7        SH7750_A7_REG32(SH7750_WCR1_REGOFS)
679 #define SH7750_WCR1_DMAIW     0x70000000	/* DACK Device Inter-Cycle Idle
680 						   specification */
681 #define SH7750_WCR1_DMAIW_S   28
682 #define SH7750_WCR1_A6IW      0x07000000	/* Area 6 Inter-Cycle Idle spec. */
683 #define SH7750_WCR1_A6IW_S    24
684 #define SH7750_WCR1_A5IW      0x00700000	/* Area 5 Inter-Cycle Idle spec. */
685 #define SH7750_WCR1_A5IW_S    20
686 #define SH7750_WCR1_A4IW      0x00070000	/* Area 4 Inter-Cycle Idle spec. */
687 #define SH7750_WCR1_A4IW_S    16
688 #define SH7750_WCR1_A3IW      0x00007000	/* Area 3 Inter-Cycle Idle spec. */
689 #define SH7750_WCR1_A3IW_S    12
690 #define SH7750_WCR1_A2IW      0x00000700	/* Area 2 Inter-Cycle Idle spec. */
691 #define SH7750_WCR1_A2IW_S    8
692 #define SH7750_WCR1_A1IW      0x00000070	/* Area 1 Inter-Cycle Idle spec. */
693 #define SH7750_WCR1_A1IW_S    4
694 #define SH7750_WCR1_A0IW      0x00000007	/* Area 0 Inter-Cycle Idle spec. */
695 #define SH7750_WCR1_A0IW_S    0
696 
697 /* Wait Control Register 2 - WCR2 */
698 #define SH7750_WCR2_REGOFS    0x80000C	/* offset */
699 #define SH7750_WCR2           SH7750_P4_REG32(SH7750_WCR2_REGOFS)
700 #define SH7750_WCR2_A7        SH7750_A7_REG32(SH7750_WCR2_REGOFS)
701 
702 #define SH7750_WCR2_A6W       0xE0000000	/* Area 6 Wait Control */
703 #define SH7750_WCR2_A6W_S     29
704 #define SH7750_WCR2_A6B       0x1C000000	/* Area 6 Burst Pitch */
705 #define SH7750_WCR2_A6B_S     26
706 #define SH7750_WCR2_A5W       0x03800000	/* Area 5 Wait Control */
707 #define SH7750_WCR2_A5W_S     23
708 #define SH7750_WCR2_A5B       0x00700000	/* Area 5 Burst Pitch */
709 #define SH7750_WCR2_A5B_S     20
710 #define SH7750_WCR2_A4W       0x000E0000	/* Area 4 Wait Control */
711 #define SH7750_WCR2_A4W_S     17
712 #define SH7750_WCR2_A3W       0x0000E000	/* Area 3 Wait Control */
713 #define SH7750_WCR2_A3W_S     13
714 #define SH7750_WCR2_A2W       0x00000E00	/* Area 2 Wait Control */
715 #define SH7750_WCR2_A2W_S     9
716 #define SH7750_WCR2_A1W       0x000001C0	/* Area 1 Wait Control */
717 #define SH7750_WCR2_A1W_S     6
718 #define SH7750_WCR2_A0W       0x00000038	/* Area 0 Wait Control */
719 #define SH7750_WCR2_A0W_S     3
720 #define SH7750_WCR2_A0B       0x00000007	/* Area 0 Burst Pitch */
721 #define SH7750_WCR2_A0B_S     0
722 
723 #define SH7750_WCR2_WS0       0	/* 0 wait states inserted */
724 #define SH7750_WCR2_WS1       1	/* 1 wait states inserted */
725 #define SH7750_WCR2_WS2       2	/* 2 wait states inserted */
726 #define SH7750_WCR2_WS3       3	/* 3 wait states inserted */
727 #define SH7750_WCR2_WS6       4	/* 6 wait states inserted */
728 #define SH7750_WCR2_WS9       5	/* 9 wait states inserted */
729 #define SH7750_WCR2_WS12      6	/* 12 wait states inserted */
730 #define SH7750_WCR2_WS15      7	/* 15 wait states inserted */
731 
732 #define SH7750_WCR2_BPWS0     0	/* 0 wait states inserted from 2nd access */
733 #define SH7750_WCR2_BPWS1     1	/* 1 wait states inserted from 2nd access */
734 #define SH7750_WCR2_BPWS2     2	/* 2 wait states inserted from 2nd access */
735 #define SH7750_WCR2_BPWS3     3	/* 3 wait states inserted from 2nd access */
736 #define SH7750_WCR2_BPWS4     4	/* 4 wait states inserted from 2nd access */
737 #define SH7750_WCR2_BPWS5     5	/* 5 wait states inserted from 2nd access */
738 #define SH7750_WCR2_BPWS6     6	/* 6 wait states inserted from 2nd access */
739 #define SH7750_WCR2_BPWS7     7	/* 7 wait states inserted from 2nd access */
740 
741 /* DRAM CAS\ Assertion Delay (area 3,2) */
742 #define SH7750_WCR2_DRAM_CAS_ASW1   0	/* 1 cycle */
743 #define SH7750_WCR2_DRAM_CAS_ASW2   1	/* 2 cycles */
744 #define SH7750_WCR2_DRAM_CAS_ASW3   2	/* 3 cycles */
745 #define SH7750_WCR2_DRAM_CAS_ASW4   3	/* 4 cycles */
746 #define SH7750_WCR2_DRAM_CAS_ASW7   4	/* 7 cycles */
747 #define SH7750_WCR2_DRAM_CAS_ASW10  5	/* 10 cycles */
748 #define SH7750_WCR2_DRAM_CAS_ASW13  6	/* 13 cycles */
749 #define SH7750_WCR2_DRAM_CAS_ASW16  7	/* 16 cycles */
750 
751 /* SDRAM CAS\ Latency Cycles */
752 #define SH7750_WCR2_SDRAM_CAS_LAT1  1	/* 1 cycle */
753 #define SH7750_WCR2_SDRAM_CAS_LAT2  2	/* 2 cycles */
754 #define SH7750_WCR2_SDRAM_CAS_LAT3  3	/* 3 cycles */
755 #define SH7750_WCR2_SDRAM_CAS_LAT4  4	/* 4 cycles */
756 #define SH7750_WCR2_SDRAM_CAS_LAT5  5	/* 5 cycles */
757 
758 /* Wait Control Register 3 - WCR3 */
759 #define SH7750_WCR3_REGOFS    0x800010	/* offset */
760 #define SH7750_WCR3           SH7750_P4_REG32(SH7750_WCR3_REGOFS)
761 #define SH7750_WCR3_A7        SH7750_A7_REG32(SH7750_WCR3_REGOFS)
762 
763 #define SH7750_WCR3_A6S       0x04000000	/* Area 6 Write Strobe Setup time */
764 #define SH7750_WCR3_A6H       0x03000000	/* Area 6 Data Hold Time */
765 #define SH7750_WCR3_A6H_S     24
766 #define SH7750_WCR3_A5S       0x00400000	/* Area 5 Write Strobe Setup time */
767 #define SH7750_WCR3_A5H       0x00300000	/* Area 5 Data Hold Time */
768 #define SH7750_WCR3_A5H_S     20
769 #define SH7750_WCR3_A4S       0x00040000	/* Area 4 Write Strobe Setup time */
770 #define SH7750_WCR3_A4H       0x00030000	/* Area 4 Data Hold Time */
771 #define SH7750_WCR3_A4H_S     16
772 #define SH7750_WCR3_A3S       0x00004000	/* Area 3 Write Strobe Setup time */
773 #define SH7750_WCR3_A3H       0x00003000	/* Area 3 Data Hold Time */
774 #define SH7750_WCR3_A3H_S     12
775 #define SH7750_WCR3_A2S       0x00000400	/* Area 2 Write Strobe Setup time */
776 #define SH7750_WCR3_A2H       0x00000300	/* Area 2 Data Hold Time */
777 #define SH7750_WCR3_A2H_S     8
778 #define SH7750_WCR3_A1S       0x00000040	/* Area 1 Write Strobe Setup time */
779 #define SH7750_WCR3_A1H       0x00000030	/* Area 1 Data Hold Time */
780 #define SH7750_WCR3_A1H_S     4
781 #define SH7750_WCR3_A0S       0x00000004	/* Area 0 Write Strobe Setup time */
782 #define SH7750_WCR3_A0H       0x00000003	/* Area 0 Data Hold Time */
783 #define SH7750_WCR3_A0H_S     0
784 
785 #define SH7750_WCR3_DHWS_0    0	/* 0 wait states data hold time */
786 #define SH7750_WCR3_DHWS_1    1	/* 1 wait states data hold time */
787 #define SH7750_WCR3_DHWS_2    2	/* 2 wait states data hold time */
788 #define SH7750_WCR3_DHWS_3    3	/* 3 wait states data hold time */
789 
790 #define SH7750_MCR_REGOFS     0x800014	/* offset */
791 #define SH7750_MCR            SH7750_P4_REG32(SH7750_MCR_REGOFS)
792 #define SH7750_MCR_A7         SH7750_A7_REG32(SH7750_MCR_REGOFS)
793 
794 #define SH7750_MCR_RASD       0x80000000	/* RAS Down mode */
795 #define SH7750_MCR_MRSET      0x40000000	/* SDRAM Mode Register Set */
796 #define SH7750_MCR_PALL       0x00000000	/* SDRAM Precharge All cmd. Mode */
797 #define SH7750_MCR_TRC        0x38000000	/* RAS Precharge Time at End of
798 						   Refresh: */
799 #define SH7750_MCR_TRC_0      0x00000000	/*    0 */
800 #define SH7750_MCR_TRC_3      0x08000000	/*    3 */
801 #define SH7750_MCR_TRC_6      0x10000000	/*    6 */
802 #define SH7750_MCR_TRC_9      0x18000000	/*    9 */
803 #define SH7750_MCR_TRC_12     0x20000000	/*    12 */
804 #define SH7750_MCR_TRC_15     0x28000000	/*    15 */
805 #define SH7750_MCR_TRC_18     0x30000000	/*    18 */
806 #define SH7750_MCR_TRC_21     0x38000000	/*    21 */
807 
808 #define SH7750_MCR_TCAS       0x00800000	/* CAS Negation Period */
809 #define SH7750_MCR_TCAS_1     0x00000000	/*    1 */
810 #define SH7750_MCR_TCAS_2     0x00800000	/*    2 */
811 
812 #define SH7750_MCR_TPC        0x00380000	/* DRAM: RAS Precharge Period
813 						   SDRAM: minimum number of cycles
814 						   until the next bank active cmd
815 						   is output after precharging */
816 #define SH7750_MCR_TPC_S      19
817 #define SH7750_MCR_TPC_SDRAM_1 0x00000000	/* 1 cycle */
818 #define SH7750_MCR_TPC_SDRAM_2 0x00080000	/* 2 cycles */
819 #define SH7750_MCR_TPC_SDRAM_3 0x00100000	/* 3 cycles */
820 #define SH7750_MCR_TPC_SDRAM_4 0x00180000	/* 4 cycles */
821 #define SH7750_MCR_TPC_SDRAM_5 0x00200000	/* 5 cycles */
822 #define SH7750_MCR_TPC_SDRAM_6 0x00280000	/* 6 cycles */
823 #define SH7750_MCR_TPC_SDRAM_7 0x00300000	/* 7 cycles */
824 #define SH7750_MCR_TPC_SDRAM_8 0x00380000	/* 8 cycles */
825 
826 #define SH7750_MCR_RCD        0x00030000	/* DRAM: RAS-CAS Assertion Delay time
827 						   SDRAM: bank active-read/write cmd
828 						   delay time */
829 #define SH7750_MCR_RCD_DRAM_2  0x00000000	/* DRAM delay 2 clocks */
830 #define SH7750_MCR_RCD_DRAM_3  0x00010000	/* DRAM delay 3 clocks */
831 #define SH7750_MCR_RCD_DRAM_4  0x00020000	/* DRAM delay 4 clocks */
832 #define SH7750_MCR_RCD_DRAM_5  0x00030000	/* DRAM delay 5 clocks */
833 #define SH7750_MCR_RCD_SDRAM_2 0x00010000	/* DRAM delay 2 clocks */
834 #define SH7750_MCR_RCD_SDRAM_3 0x00020000	/* DRAM delay 3 clocks */
835 #define SH7750_MCR_RCD_SDRAM_4 0x00030000	/* DRAM delay 4 clocks */
836 
837 #define SH7750_MCR_TRWL       0x0000E000	/* SDRAM Write Precharge Delay */
838 #define SH7750_MCR_TRWL_1     0x00000000	/*    1 */
839 #define SH7750_MCR_TRWL_2     0x00002000	/*    2 */
840 #define SH7750_MCR_TRWL_3     0x00004000	/*    3 */
841 #define SH7750_MCR_TRWL_4     0x00006000	/*    4 */
842 #define SH7750_MCR_TRWL_5     0x00008000	/*    5 */
843 
844 #define SH7750_MCR_TRAS       0x00001C00	/* DRAM: CAS-Before-RAS Refresh RAS
845 						   asserting period
846 						   SDRAM: Command interval after
847 						   synchronous DRAM refresh */
848 #define SH7750_MCR_TRAS_DRAM_2         0x00000000	/* 2 */
849 #define SH7750_MCR_TRAS_DRAM_3         0x00000400	/* 3 */
850 #define SH7750_MCR_TRAS_DRAM_4         0x00000800	/* 4 */
851 #define SH7750_MCR_TRAS_DRAM_5         0x00000C00	/* 5 */
852 #define SH7750_MCR_TRAS_DRAM_6         0x00001000	/* 6 */
853 #define SH7750_MCR_TRAS_DRAM_7         0x00001400	/* 7 */
854 #define SH7750_MCR_TRAS_DRAM_8         0x00001800	/* 8 */
855 #define SH7750_MCR_TRAS_DRAM_9         0x00001C00	/* 9 */
856 
857 #define SH7750_MCR_TRAS_SDRAM_TRC_4    0x00000000	/* 4 + TRC */
858 #define SH7750_MCR_TRAS_SDRAM_TRC_5    0x00000400	/* 5 + TRC */
859 #define SH7750_MCR_TRAS_SDRAM_TRC_6    0x00000800	/* 6 + TRC */
860 #define SH7750_MCR_TRAS_SDRAM_TRC_7    0x00000C00	/* 7 + TRC */
861 #define SH7750_MCR_TRAS_SDRAM_TRC_8    0x00001000	/* 8 + TRC */
862 #define SH7750_MCR_TRAS_SDRAM_TRC_9    0x00001400	/* 9 + TRC */
863 #define SH7750_MCR_TRAS_SDRAM_TRC_10   0x00001800	/* 10 + TRC */
864 #define SH7750_MCR_TRAS_SDRAM_TRC_11   0x00001C00	/* 11 + TRC */
865 
866 #define SH7750_MCR_BE         0x00000200	/* Burst Enable */
867 #define SH7750_MCR_SZ         0x00000180	/* Memory Data Size */
868 #define SH7750_MCR_SZ_64      0x00000000	/*    64 bits */
869 #define SH7750_MCR_SZ_16      0x00000100	/*    16 bits */
870 #define SH7750_MCR_SZ_32      0x00000180	/*    32 bits */
871 
872 #define SH7750_MCR_AMX        0x00000078	/* Address Multiplexing */
873 #define SH7750_MCR_AMX_S      3
874 #define SH7750_MCR_AMX_DRAM_8BIT_COL    0x00000000	/* 8-bit column addr */
875 #define SH7750_MCR_AMX_DRAM_9BIT_COL    0x00000008	/* 9-bit column addr */
876 #define SH7750_MCR_AMX_DRAM_10BIT_COL   0x00000010	/* 10-bit column addr */
877 #define SH7750_MCR_AMX_DRAM_11BIT_COL   0x00000018	/* 11-bit column addr */
878 #define SH7750_MCR_AMX_DRAM_12BIT_COL   0x00000020	/* 12-bit column addr */
879 /* See SH7750 Hardware Manual for SDRAM address multiplexor selection */
880 
881 #define SH7750_MCR_RFSH       0x00000004	/* Refresh Control */
882 #define SH7750_MCR_RMODE      0x00000002	/* Refresh Mode: */
883 #define SH7750_MCR_RMODE_NORMAL 0x00000000	/* Normal Refresh Mode */
884 #define SH7750_MCR_RMODE_SELF   0x00000002	/* Self-Refresh Mode */
885 #define SH7750_MCR_RMODE_EDO    0x00000001	/* EDO Mode */
886 
887 /* SDRAM Mode Set address */
888 #define SH7750_SDRAM_MODE_A2_BASE  0xFF900000
889 #define SH7750_SDRAM_MODE_A3_BASE  0xFF940000
890 #define SH7750_SDRAM_MODE_A2_32BIT(x) (SH7750_SDRAM_MODE_A2_BASE + ((x) << 2))
891 #define SH7750_SDRAM_MODE_A3_32BIT(x) (SH7750_SDRAM_MODE_A3_BASE + ((x) << 2))
892 #define SH7750_SDRAM_MODE_A2_64BIT(x) (SH7750_SDRAM_MODE_A2_BASE + ((x) << 3))
893 #define SH7750_SDRAM_MODE_A3_64BIT(x) (SH7750_SDRAM_MODE_A3_BASE + ((x) << 3))
894 
895 
896 /* PCMCIA Control Register (half) - PCR */
897 #define SH7750_PCR_REGOFS     0x800018	/* offset */
898 #define SH7750_PCR            SH7750_P4_REG32(SH7750_PCR_REGOFS)
899 #define SH7750_PCR_A7         SH7750_A7_REG32(SH7750_PCR_REGOFS)
900 
901 #define SH7750_PCR_A5PCW      0xC000	/* Area 5 PCMCIA Wait - Number of wait
902 					   states to be added to the number of
903 					   waits specified by WCR2 in a low-speed
904 					   PCMCIA wait cycle */
905 #define SH7750_PCR_A5PCW_0    0x0000	/*    0 waits inserted */
906 #define SH7750_PCR_A5PCW_15   0x4000	/*    15 waits inserted */
907 #define SH7750_PCR_A5PCW_30   0x8000	/*    30 waits inserted */
908 #define SH7750_PCR_A5PCW_50   0xC000	/*    50 waits inserted */
909 
910 #define SH7750_PCR_A6PCW      0x3000	/* Area 6 PCMCIA Wait - Number of wait
911 					   states to be added to the number of
912 					   waits specified by WCR2 in a low-speed
913 					   PCMCIA wait cycle */
914 #define SH7750_PCR_A6PCW_0    0x0000	/*    0 waits inserted */
915 #define SH7750_PCR_A6PCW_15   0x1000	/*    15 waits inserted */
916 #define SH7750_PCR_A6PCW_30   0x2000	/*    30 waits inserted */
917 #define SH7750_PCR_A6PCW_50   0x3000	/*    50 waits inserted */
918 
919 #define SH7750_PCR_A5TED      0x0E00	/* Area 5 Address-OE\/WE\ Assertion Delay,
920 					   delay time from address output to
921 					   OE\/WE\ assertion on the connected
922 					   PCMCIA interface */
923 #define SH7750_PCR_A5TED_S    9
924 #define SH7750_PCR_A6TED      0x01C0	/* Area 6 Address-OE\/WE\ Assertion Delay */
925 #define SH7750_PCR_A6TED_S    6
926 
927 #define SH7750_PCR_TED_0WS    0	/* 0 Waits inserted */
928 #define SH7750_PCR_TED_1WS    1	/* 1 Waits inserted */
929 #define SH7750_PCR_TED_2WS    2	/* 2 Waits inserted */
930 #define SH7750_PCR_TED_3WS    3	/* 3 Waits inserted */
931 #define SH7750_PCR_TED_6WS    4	/* 6 Waits inserted */
932 #define SH7750_PCR_TED_9WS    5	/* 9 Waits inserted */
933 #define SH7750_PCR_TED_12WS   6	/* 12 Waits inserted */
934 #define SH7750_PCR_TED_15WS   7	/* 15 Waits inserted */
935 
936 #define SH7750_PCR_A5TEH      0x0038	/* Area 5 OE\/WE\ Negation Address delay,
937 					   address hold delay time from OE\/WE\
938 					   negation in a write on the connected
939 					   PCMCIA interface */
940 #define SH7750_PCR_A5TEH_S    3
941 
942 #define SH7750_PCR_A6TEH      0x0007	/* Area 6 OE\/WE\ Negation Address delay */
943 #define SH7750_PCR_A6TEH_S    0
944 
945 #define SH7750_PCR_TEH_0WS    0	/* 0 Waits inserted */
946 #define SH7750_PCR_TEH_1WS    1	/* 1 Waits inserted */
947 #define SH7750_PCR_TEH_2WS    2	/* 2 Waits inserted */
948 #define SH7750_PCR_TEH_3WS    3	/* 3 Waits inserted */
949 #define SH7750_PCR_TEH_6WS    4	/* 6 Waits inserted */
950 #define SH7750_PCR_TEH_9WS    5	/* 9 Waits inserted */
951 #define SH7750_PCR_TEH_12WS   6	/* 12 Waits inserted */
952 #define SH7750_PCR_TEH_15WS   7	/* 15 Waits inserted */
953 
954 /* Refresh Timer Control/Status Register (half) - RTSCR */
955 #define SH7750_RTCSR_REGOFS   0x80001C	/* offset */
956 #define SH7750_RTCSR          SH7750_P4_REG32(SH7750_RTCSR_REGOFS)
957 #define SH7750_RTCSR_A7       SH7750_A7_REG32(SH7750_RTCSR_REGOFS)
958 
959 #define SH7750_RTCSR_KEY      0xA500	/* RTCSR write key */
960 #define SH7750_RTCSR_CMF      0x0080	/* Compare-Match Flag (indicates a
961 					   match between the refresh timer
962 					   counter and refresh time constant) */
963 #define SH7750_RTCSR_CMIE     0x0040	/* Compare-Match Interrupt Enable */
964 #define SH7750_RTCSR_CKS      0x0038	/* Refresh Counter Clock Selects */
965 #define SH7750_RTCSR_CKS_DIS          0x0000	/* Clock Input Disabled */
966 #define SH7750_RTCSR_CKS_CKIO_DIV4    0x0008	/* Bus Clock / 4 */
967 #define SH7750_RTCSR_CKS_CKIO_DIV16   0x0010	/* Bus Clock / 16 */
968 #define SH7750_RTCSR_CKS_CKIO_DIV64   0x0018	/* Bus Clock / 64 */
969 #define SH7750_RTCSR_CKS_CKIO_DIV256  0x0020	/* Bus Clock / 256 */
970 #define SH7750_RTCSR_CKS_CKIO_DIV1024 0x0028	/* Bus Clock / 1024 */
971 #define SH7750_RTCSR_CKS_CKIO_DIV2048 0x0030	/* Bus Clock / 2048 */
972 #define SH7750_RTCSR_CKS_CKIO_DIV4096 0x0038	/* Bus Clock / 4096 */
973 
974 #define SH7750_RTCSR_OVF      0x0004	/* Refresh Count Overflow Flag */
975 #define SH7750_RTCSR_OVIE     0x0002	/* Refresh Count Overflow Interrupt
976 					   Enable */
977 #define SH7750_RTCSR_LMTS     0x0001	/* Refresh Count Overflow Limit Select */
978 #define SH7750_RTCSR_LMTS_1024 0x0000	/* Count Limit is 1024 */
979 #define SH7750_RTCSR_LMTS_512  0x0001	/* Count Limit is 512 */
980 
981 /* Refresh Timer Counter (half) - RTCNT */
982 #define SH7750_RTCNT_REGOFS   0x800020	/* offset */
983 #define SH7750_RTCNT          SH7750_P4_REG32(SH7750_RTCNT_REGOFS)
984 #define SH7750_RTCNT_A7       SH7750_A7_REG32(SH7750_RTCNT_REGOFS)
985 
986 #define SH7750_RTCNT_KEY      0xA500	/* RTCNT write key */
987 
988 /* Refresh Time Constant Register (half) - RTCOR */
989 #define SH7750_RTCOR_REGOFS   0x800024	/* offset */
990 #define SH7750_RTCOR          SH7750_P4_REG32(SH7750_RTCOR_REGOFS)
991 #define SH7750_RTCOR_A7       SH7750_A7_REG32(SH7750_RTCOR_REGOFS)
992 
993 #define SH7750_RTCOR_KEY      0xA500	/* RTCOR write key */
994 
995 /* Refresh Count Register (half) - RFCR */
996 #define SH7750_RFCR_REGOFS    0x800028	/* offset */
997 #define SH7750_RFCR           SH7750_P4_REG32(SH7750_RFCR_REGOFS)
998 #define SH7750_RFCR_A7        SH7750_A7_REG32(SH7750_RFCR_REGOFS)
999 
1000 #define SH7750_RFCR_KEY       0xA400	/* RFCR write key */
1001 
1002 /* Synchronous DRAM mode registers - SDMR */
1003 #define SH7750_SDMR2_REGOFS   0x900000	/* base offset */
1004 #define SH7750_SDMR2_REGNB    0x0FFC	/* nb of register */
1005 #define SH7750_SDMR2          SH7750_P4_REG32(SH7750_SDMR2_REGOFS)
1006 #define SH7750_SDMR2_A7       SH7750_A7_REG32(SH7750_SDMR2_REGOFS)
1007 
1008 #define SH7750_SDMR3_REGOFS   0x940000	/* offset */
1009 #define SH7750_SDMR3_REGNB    0x0FFC	/* nb of register */
1010 #define SH7750_SDMR3          SH7750_P4_REG32(SH7750_SDMR3_REGOFS)
1011 #define SH7750_SDMR3_A7       SH7750_A7_REG32(SH7750_SDMR3_REGOFS)
1012 
1013 /*
1014  * Direct Memory Access Controller (DMAC)
1015  */
1016 
1017 /* DMA Source Address Register - SAR0, SAR1, SAR2, SAR3 */
1018 #define SH7750_SAR_REGOFS(n)  (0xA00000 + ((n)*16))	/* offset */
1019 #define SH7750_SAR(n)         SH7750_P4_REG32(SH7750_SAR_REGOFS(n))
1020 #define SH7750_SAR_A7(n)      SH7750_A7_REG32(SH7750_SAR_REGOFS(n))
1021 #define SH7750_SAR0           SH7750_SAR(0)
1022 #define SH7750_SAR1           SH7750_SAR(1)
1023 #define SH7750_SAR2           SH7750_SAR(2)
1024 #define SH7750_SAR3           SH7750_SAR(3)
1025 #define SH7750_SAR0_A7        SH7750_SAR_A7(0)
1026 #define SH7750_SAR1_A7        SH7750_SAR_A7(1)
1027 #define SH7750_SAR2_A7        SH7750_SAR_A7(2)
1028 #define SH7750_SAR3_A7        SH7750_SAR_A7(3)
1029 
1030 /* DMA Destination Address Register - DAR0, DAR1, DAR2, DAR3 */
1031 #define SH7750_DAR_REGOFS(n)  (0xA00004 + ((n)*16))	/* offset */
1032 #define SH7750_DAR(n)         SH7750_P4_REG32(SH7750_DAR_REGOFS(n))
1033 #define SH7750_DAR_A7(n)      SH7750_A7_REG32(SH7750_DAR_REGOFS(n))
1034 #define SH7750_DAR0           SH7750_DAR(0)
1035 #define SH7750_DAR1           SH7750_DAR(1)
1036 #define SH7750_DAR2           SH7750_DAR(2)
1037 #define SH7750_DAR3           SH7750_DAR(3)
1038 #define SH7750_DAR0_A7        SH7750_DAR_A7(0)
1039 #define SH7750_DAR1_A7        SH7750_DAR_A7(1)
1040 #define SH7750_DAR2_A7        SH7750_DAR_A7(2)
1041 #define SH7750_DAR3_A7        SH7750_DAR_A7(3)
1042 
1043 /* DMA Transfer Count Register - DMATCR0, DMATCR1, DMATCR2, DMATCR3 */
1044 #define SH7750_DMATCR_REGOFS(n)  (0xA00008 + ((n)*16))	/* offset */
1045 #define SH7750_DMATCR(n)      SH7750_P4_REG32(SH7750_DMATCR_REGOFS(n))
1046 #define SH7750_DMATCR_A7(n)   SH7750_A7_REG32(SH7750_DMATCR_REGOFS(n))
1047 #define SH7750_DMATCR0_P4     SH7750_DMATCR(0)
1048 #define SH7750_DMATCR1_P4     SH7750_DMATCR(1)
1049 #define SH7750_DMATCR2_P4     SH7750_DMATCR(2)
1050 #define SH7750_DMATCR3_P4     SH7750_DMATCR(3)
1051 #define SH7750_DMATCR0_A7     SH7750_DMATCR_A7(0)
1052 #define SH7750_DMATCR1_A7     SH7750_DMATCR_A7(1)
1053 #define SH7750_DMATCR2_A7     SH7750_DMATCR_A7(2)
1054 #define SH7750_DMATCR3_A7     SH7750_DMATCR_A7(3)
1055 
1056 /* DMA Channel Control Register - CHCR0, CHCR1, CHCR2, CHCR3 */
1057 #define SH7750_CHCR_REGOFS(n)  (0xA0000C + ((n)*16))	/* offset */
1058 #define SH7750_CHCR(n)        SH7750_P4_REG32(SH7750_CHCR_REGOFS(n))
1059 #define SH7750_CHCR_A7(n)     SH7750_A7_REG32(SH7750_CHCR_REGOFS(n))
1060 #define SH7750_CHCR0          SH7750_CHCR(0)
1061 #define SH7750_CHCR1          SH7750_CHCR(1)
1062 #define SH7750_CHCR2          SH7750_CHCR(2)
1063 #define SH7750_CHCR3          SH7750_CHCR(3)
1064 #define SH7750_CHCR0_A7       SH7750_CHCR_A7(0)
1065 #define SH7750_CHCR1_A7       SH7750_CHCR_A7(1)
1066 #define SH7750_CHCR2_A7       SH7750_CHCR_A7(2)
1067 #define SH7750_CHCR3_A7       SH7750_CHCR_A7(3)
1068 
1069 #define SH7750_CHCR_SSA       0xE0000000	/* Source Address Space Attribute */
1070 #define SH7750_CHCR_SSA_PCMCIA  0x00000000	/* Reserved in PCMCIA access */
1071 #define SH7750_CHCR_SSA_DYNBSZ  0x20000000	/* Dynamic Bus Sizing I/O space */
1072 #define SH7750_CHCR_SSA_IO8     0x40000000	/* 8-bit I/O space */
1073 #define SH7750_CHCR_SSA_IO16    0x60000000	/* 16-bit I/O space */
1074 #define SH7750_CHCR_SSA_CMEM8   0x80000000	/* 8-bit common memory space */
1075 #define SH7750_CHCR_SSA_CMEM16  0xA0000000	/* 16-bit common memory space */
1076 #define SH7750_CHCR_SSA_AMEM8   0xC0000000	/* 8-bit attribute memory space */
1077 #define SH7750_CHCR_SSA_AMEM16  0xE0000000	/* 16-bit attribute memory space */
1078 
1079 #define SH7750_CHCR_STC       0x10000000	/* Source Address Wait Control Select,
1080 						   specifies CS5 or CS6 space wait
1081 						   control for PCMCIA access */
1082 
1083 #define SH7750_CHCR_DSA       0x0E000000	/* Source Address Space Attribute */
1084 #define SH7750_CHCR_DSA_PCMCIA  0x00000000	/* Reserved in PCMCIA access */
1085 #define SH7750_CHCR_DSA_DYNBSZ  0x02000000	/* Dynamic Bus Sizing I/O space */
1086 #define SH7750_CHCR_DSA_IO8     0x04000000	/* 8-bit I/O space */
1087 #define SH7750_CHCR_DSA_IO16    0x06000000	/* 16-bit I/O space */
1088 #define SH7750_CHCR_DSA_CMEM8   0x08000000	/* 8-bit common memory space */
1089 #define SH7750_CHCR_DSA_CMEM16  0x0A000000	/* 16-bit common memory space */
1090 #define SH7750_CHCR_DSA_AMEM8   0x0C000000	/* 8-bit attribute memory space */
1091 #define SH7750_CHCR_DSA_AMEM16  0x0E000000	/* 16-bit attribute memory space */
1092 
1093 #define SH7750_CHCR_DTC       0x01000000	/* Destination Address Wait Control
1094 						   Select, specifies CS5 or CS6
1095 						   space wait control for PCMCIA
1096 						   access */
1097 
1098 #define SH7750_CHCR_DS        0x00080000	/* DREQ\ Select : */
1099 #define SH7750_CHCR_DS_LOWLVL 0x00000000	/*     Low Level Detection */
1100 #define SH7750_CHCR_DS_FALL   0x00080000	/*     Falling Edge Detection */
1101 
1102 #define SH7750_CHCR_RL        0x00040000	/* Request Check Level: */
1103 #define SH7750_CHCR_RL_ACTH   0x00000000	/*     DRAK is an active high out */
1104 #define SH7750_CHCR_RL_ACTL   0x00040000	/*     DRAK is an active low out */
1105 
1106 #define SH7750_CHCR_AM        0x00020000	/* Acknowledge Mode: */
1107 #define SH7750_CHCR_AM_RD     0x00000000	/*     DACK is output in read cycle */
1108 #define SH7750_CHCR_AM_WR     0x00020000	/*     DACK is output in write cycle */
1109 
1110 #define SH7750_CHCR_AL        0x00010000	/* Acknowledge Level: */
1111 #define SH7750_CHCR_AL_ACTH   0x00000000	/*     DACK is an active high out */
1112 #define SH7750_CHCR_AL_ACTL   0x00010000	/*     DACK is an active low out */
1113 
1114 #define SH7750_CHCR_DM        0x0000C000	/* Destination Address Mode: */
1115 #define SH7750_CHCR_DM_FIX    0x00000000	/*     Destination Addr Fixed */
1116 #define SH7750_CHCR_DM_INC    0x00004000	/*     Destination Addr Incremented */
1117 #define SH7750_CHCR_DM_DEC    0x00008000	/*     Destination Addr Decremented */
1118 
1119 #define SH7750_CHCR_SM        0x00003000	/* Source Address Mode: */
1120 #define SH7750_CHCR_SM_FIX    0x00000000	/*     Source Addr Fixed */
1121 #define SH7750_CHCR_SM_INC    0x00001000	/*     Source Addr Incremented */
1122 #define SH7750_CHCR_SM_DEC    0x00002000	/*     Source Addr Decremented */
1123 
1124 #define SH7750_CHCR_RS        0x00000F00	/* Request Source Select: */
1125 #define SH7750_CHCR_RS_ER_DA_EA_TO_EA   0x000	/* External Request, Dual Address
1126 						   Mode (External Addr Space->
1127 						   External Addr Space) */
1128 #define SH7750_CHCR_RS_ER_SA_EA_TO_ED   0x200	/* External Request, Single
1129 						   Address Mode (External Addr
1130 						   Space -> External Device) */
1131 #define SH7750_CHCR_RS_ER_SA_ED_TO_EA   0x300	/* External Request, Single
1132 						   Address Mode, (External
1133 						   Device -> External Addr
1134 						   Space) */
1135 #define SH7750_CHCR_RS_AR_EA_TO_EA      0x400	/* Auto-Request (External Addr
1136 						   Space -> External Addr Space) */
1137 
1138 #define SH7750_CHCR_RS_AR_EA_TO_OCP     0x500	/* Auto-Request (External Addr
1139 						   Space -> On-chip Peripheral
1140 						   Module) */
1141 #define SH7750_CHCR_RS_AR_OCP_TO_EA     0x600	/* Auto-Request (On-chip
1142 						   Peripheral Module ->
1143 						   External Addr Space */
1144 #define SH7750_CHCR_RS_SCITX_EA_TO_SC   0x800	/* SCI Transmit-Data-Empty intr
1145 						   transfer request (external
1146 						   address space -> SCTDR1) */
1147 #define SH7750_CHCR_RS_SCIRX_SC_TO_EA   0x900	/* SCI Receive-Data-Full intr
1148 						   transfer request (SCRDR1 ->
1149 						   External Addr Space) */
1150 #define SH7750_CHCR_RS_SCIFTX_EA_TO_SC  0xA00	/* SCIF Transmit-Data-Empty intr
1151 						   transfer request (external
1152 						   address space -> SCFTDR1) */
1153 #define SH7750_CHCR_RS_SCIFRX_SC_TO_EA  0xB00	/* SCIF Receive-Data-Full intr
1154 						   transfer request (SCFRDR2 ->
1155 						   External Addr Space) */
1156 #define SH7750_CHCR_RS_TMU2_EA_TO_EA    0xC00	/* TMU Channel 2 (input capture
1157 						   interrupt), (external address
1158 						   space -> external address
1159 						   space) */
1160 #define SH7750_CHCR_RS_TMU2_EA_TO_OCP   0xD00	/* TMU Channel 2 (input capture
1161 						   interrupt), (external address
1162 						   space -> on-chip peripheral
1163 						   module) */
1164 #define SH7750_CHCR_RS_TMU2_OCP_TO_EA   0xE00	/* TMU Channel 2 (input capture
1165 						   interrupt), (on-chip
1166 						   peripheral module -> external
1167 						   address space) */
1168 
1169 #define SH7750_CHCR_TM        0x00000080	/* Transmit mode: */
1170 #define SH7750_CHCR_TM_CSTEAL 0x00000000	/*     Cycle Steal Mode */
1171 #define SH7750_CHCR_TM_BURST  0x00000080	/*     Burst Mode */
1172 
1173 #define SH7750_CHCR_TS        0x00000070	/* Transmit Size: */
1174 #define SH7750_CHCR_TS_QUAD   0x00000000	/*     Quadword Size (64 bits) */
1175 #define SH7750_CHCR_TS_BYTE   0x00000010	/*     Byte Size (8 bit) */
1176 #define SH7750_CHCR_TS_WORD   0x00000020	/*     Word Size (16 bit) */
1177 #define SH7750_CHCR_TS_LONG   0x00000030	/*     Longword Size (32 bit) */
1178 #define SH7750_CHCR_TS_BLOCK  0x00000040	/*     32-byte block transfer */
1179 
1180 #define SH7750_CHCR_IE        0x00000004	/* Interrupt Enable */
1181 #define SH7750_CHCR_TE        0x00000002	/* Transfer End */
1182 #define SH7750_CHCR_DE        0x00000001	/* DMAC Enable */
1183 
1184 /* DMA Operation Register - DMAOR */
1185 #define SH7750_DMAOR_REGOFS   0xA00040	/* offset */
1186 #define SH7750_DMAOR          SH7750_P4_REG32(SH7750_DMAOR_REGOFS)
1187 #define SH7750_DMAOR_A7       SH7750_A7_REG32(SH7750_DMAOR_REGOFS)
1188 
1189 #define SH7750_DMAOR_DDT      0x00008000	/* On-Demand Data Transfer Mode */
1190 
1191 #define SH7750_DMAOR_PR       0x00000300	/* Priority Mode: */
1192 #define SH7750_DMAOR_PR_0123  0x00000000	/*     CH0 > CH1 > CH2 > CH3 */
1193 #define SH7750_DMAOR_PR_0231  0x00000100	/*     CH0 > CH2 > CH3 > CH1 */
1194 #define SH7750_DMAOR_PR_2013  0x00000200	/*     CH2 > CH0 > CH1 > CH3 */
1195 #define SH7750_DMAOR_PR_RR    0x00000300	/*     Round-robin mode */
1196 
1197 #define SH7750_DMAOR_COD      0x00000010	/* Check Overrun for DREQ\ */
1198 #define SH7750_DMAOR_AE       0x00000004	/* Address Error flag */
1199 #define SH7750_DMAOR_NMIF     0x00000002	/* NMI Flag */
1200 #define SH7750_DMAOR_DME      0x00000001	/* DMAC Master Enable */
1201 
1202 /*
1203  * I/O Ports
1204  */
1205 /* Port Control Register A - PCTRA */
1206 #define SH7750_PCTRA_REGOFS   0x80002C	/* offset */
1207 #define SH7750_PCTRA          SH7750_P4_REG32(SH7750_PCTRA_REGOFS)
1208 #define SH7750_PCTRA_A7       SH7750_A7_REG32(SH7750_PCTRA_REGOFS)
1209 
1210 #define SH7750_PCTRA_PBPUP(n) 0	/* Bit n is pulled up */
1211 #define SH7750_PCTRA_PBNPUP(n) (1 << ((n)*2+1))	/* Bit n is not pulled up */
1212 #define SH7750_PCTRA_PBINP(n) 0	/* Bit n is an input */
1213 #define SH7750_PCTRA_PBOUT(n) (1 << ((n)*2))	/* Bit n is an output */
1214 
1215 /* Port Data Register A - PDTRA(half) */
1216 #define SH7750_PDTRA_REGOFS   0x800030	/* offset */
1217 #define SH7750_PDTRA          SH7750_P4_REG32(SH7750_PDTRA_REGOFS)
1218 #define SH7750_PDTRA_A7       SH7750_A7_REG32(SH7750_PDTRA_REGOFS)
1219 
1220 #define SH7750_PDTRA_BIT(n) (1 << (n))
1221 
1222 /* Port Control Register B - PCTRB */
1223 #define SH7750_PCTRB_REGOFS   0x800040	/* offset */
1224 #define SH7750_PCTRB          SH7750_P4_REG32(SH7750_PCTRB_REGOFS)
1225 #define SH7750_PCTRB_A7       SH7750_A7_REG32(SH7750_PCTRB_REGOFS)
1226 
1227 #define SH7750_PCTRB_PBPUP(n) 0	/* Bit n is pulled up */
1228 #define SH7750_PCTRB_PBNPUP(n) (1 << ((n-16)*2+1))	/* Bit n is not pulled up */
1229 #define SH7750_PCTRB_PBINP(n) 0	/* Bit n is an input */
1230 #define SH7750_PCTRB_PBOUT(n) (1 << ((n-16)*2))	/* Bit n is an output */
1231 
1232 /* Port Data Register B - PDTRB(half) */
1233 #define SH7750_PDTRB_REGOFS   0x800044	/* offset */
1234 #define SH7750_PDTRB          SH7750_P4_REG32(SH7750_PDTRB_REGOFS)
1235 #define SH7750_PDTRB_A7       SH7750_A7_REG32(SH7750_PDTRB_REGOFS)
1236 
1237 #define SH7750_PDTRB_BIT(n) (1 << ((n)-16))
1238 
1239 /* GPIO Interrupt Control Register - GPIOIC(half) */
1240 #define SH7750_GPIOIC_REGOFS  0x800048	/* offset */
1241 #define SH7750_GPIOIC         SH7750_P4_REG32(SH7750_GPIOIC_REGOFS)
1242 #define SH7750_GPIOIC_A7      SH7750_A7_REG32(SH7750_GPIOIC_REGOFS)
1243 
1244 #define SH7750_GPIOIC_PTIREN(n) (1 << (n))	/* Port n is used as a GPIO int */
1245 
1246 /*
1247  * Interrupt Controller - INTC
1248  */
1249 /* Interrupt Control Register - ICR (half) */
1250 #define SH7750_ICR_REGOFS     0xD00000	/* offset */
1251 #define SH7750_ICR            SH7750_P4_REG32(SH7750_ICR_REGOFS)
1252 #define SH7750_ICR_A7         SH7750_A7_REG32(SH7750_ICR_REGOFS)
1253 
1254 #define SH7750_ICR_NMIL       0x8000	/* NMI Input Level */
1255 #define SH7750_ICR_MAI        0x4000	/* NMI Interrupt Mask */
1256 
1257 #define SH7750_ICR_NMIB       0x0200	/* NMI Block Mode: */
1258 #define SH7750_ICR_NMIB_BLK   0x0000	/*   NMI requests held pending while
1259 					   SR.BL bit is set to 1 */
1260 #define SH7750_ICR_NMIB_NBLK  0x0200	/*   NMI requests detected when SR.BL bit
1261 					   set to 1 */
1262 
1263 #define SH7750_ICR_NMIE       0x0100	/* NMI Edge Select: */
1264 #define SH7750_ICR_NMIE_FALL  0x0000	/*   Interrupt request detected on falling
1265 					   edge of NMI input */
1266 #define SH7750_ICR_NMIE_RISE  0x0100	/*   Interrupt request detected on rising
1267 					   edge of NMI input */
1268 
1269 #define SH7750_ICR_IRLM       0x0080	/* IRL Pin Mode: */
1270 #define SH7750_ICR_IRLM_ENC   0x0000	/*   IRL\ pins used as a level-encoded
1271 					   interrupt requests */
1272 #define SH7750_ICR_IRLM_RAW   0x0080	/*   IRL\ pins used as a four independent
1273 					   interrupt requests */
1274 
1275 /*
1276  * User Break Controller registers
1277  */
1278 #define SH7750_BARA           0x200000	/* Break address regiser A */
1279 #define SH7750_BAMRA          0x200004	/* Break address mask regiser A */
1280 #define SH7750_BBRA           0x200008	/* Break bus cycle regiser A */
1281 #define SH7750_BARB           0x20000c	/* Break address regiser B */
1282 #define SH7750_BAMRB          0x200010	/* Break address mask regiser B */
1283 #define SH7750_BBRB           0x200014	/* Break bus cycle regiser B */
1284 #define SH7750_BASRB          0x000018	/* Break ASID regiser B */
1285 #define SH7750_BDRB           0x200018	/* Break data regiser B */
1286 #define SH7750_BDMRB          0x20001c	/* Break data mask regiser B */
1287 #define SH7750_BRCR           0x200020	/* Break control register */
1288 
1289 #define SH7750_BRCR_UDBE        0x0001	/* User break debug enable bit */
1290 
1291 /*
1292  * Missing in RTEMS, added for QEMU
1293  */
1294 #define SH7750_BCR3_A7       0x1f800050
1295 #define SH7750_BCR4_A7       0x1e0a00f0
1296 
1297 #endif
1298