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[qemu/mini2440.git] / hw / sh7750_regs.h
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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 the file LICENSE in this distribution or at
14 * http://www.rtems.com/license/LICENSE.
15 *
16 * @(#) sh7750_regs.h,v 1.2.4.1 2003/09/04 18:46:00 joel Exp
17 */
18
19 #ifndef __SH7750_REGS_H__
20 #define __SH7750_REGS_H__
21
22 /*
23 * All register has 2 addresses: in 0xff000000 - 0xffffffff (P4 address) and
24 * in 0x1f000000 - 0x1fffffff (area 7 address)
25 */
26 #define SH7750_P4_BASE 0xff000000 /* Accessable only in
27 priveleged mode */
28 #define SH7750_A7_BASE 0x1f000000 /* Accessable only using TLB */
29
30 #define SH7750_P4_REG32(ofs) (SH7750_P4_BASE + (ofs))
31 #define SH7750_A7_REG32(ofs) (SH7750_A7_BASE + (ofs))
32
33 /*
34 * MMU Registers
35 */
36
37 /* Page Table Entry High register - PTEH */
38 #define SH7750_PTEH_REGOFS 0x000000 /* offset */
39 #define SH7750_PTEH SH7750_P4_REG32(SH7750_PTEH_REGOFS)
40 #define SH7750_PTEH_A7 SH7750_A7_REG32(SH7750_PTEH_REGOFS)
41 #define SH7750_PTEH_VPN 0xfffffd00 /* Virtual page number */
42 #define SH7750_PTEH_VPN_S 10
43 #define SH7750_PTEH_ASID 0x000000ff /* Address space identifier */
44 #define SH7750_PTEH_ASID_S 0
45
46 /* Page Table Entry Low register - PTEL */
47 #define SH7750_PTEL_REGOFS 0x000004 /* offset */
48 #define SH7750_PTEL SH7750_P4_REG32(SH7750_PTEL_REGOFS)
49 #define SH7750_PTEL_A7 SH7750_A7_REG32(SH7750_PTEL_REGOFS)
50 #define SH7750_PTEL_PPN 0x1ffffc00 /* Physical page number */
51 #define SH7750_PTEL_PPN_S 10
52 #define SH7750_PTEL_V 0x00000100 /* Validity (0-entry is invalid) */
53 #define SH7750_PTEL_SZ1 0x00000080 /* Page size bit 1 */
54 #define SH7750_PTEL_SZ0 0x00000010 /* Page size bit 0 */
55 #define SH7750_PTEL_SZ_1KB 0x00000000 /* 1-kbyte page */
56 #define SH7750_PTEL_SZ_4KB 0x00000010 /* 4-kbyte page */
57 #define SH7750_PTEL_SZ_64KB 0x00000080 /* 64-kbyte page */
58 #define SH7750_PTEL_SZ_1MB 0x00000090 /* 1-Mbyte page */
59 #define SH7750_PTEL_PR 0x00000060 /* Protection Key Data */
60 #define SH7750_PTEL_PR_ROPO 0x00000000 /* read-only in priv mode */
61 #define SH7750_PTEL_PR_RWPO 0x00000020 /* read-write in priv mode */
62 #define SH7750_PTEL_PR_ROPU 0x00000040 /* read-only in priv or user mode */
63 #define SH7750_PTEL_PR_RWPU 0x00000060 /* read-write in priv or user mode */
64 #define SH7750_PTEL_C 0x00000008 /* Cacheability
65 (0 - page not cacheable) */
66 #define SH7750_PTEL_D 0x00000004 /* Dirty bit (1 - write has been
67 performed to a page) */
68 #define SH7750_PTEL_SH 0x00000002 /* Share Status bit (1 - page are
69 shared by processes) */
70 #define SH7750_PTEL_WT 0x00000001 /* Write-through bit, specifies the
71 cache write mode:
72 0 - Copy-back mode
73 1 - Write-through mode */
74
75 /* Page Table Entry Assistance register - PTEA */
76 #define SH7750_PTEA_REGOFS 0x000034 /* offset */
77 #define SH7750_PTEA SH7750_P4_REG32(SH7750_PTEA_REGOFS)
78 #define SH7750_PTEA_A7 SH7750_A7_REG32(SH7750_PTEA_REGOFS)
79 #define SH7750_PTEA_TC 0x00000008 /* Timing Control bit
80 0 - use area 5 wait states
81 1 - use area 6 wait states */
82 #define SH7750_PTEA_SA 0x00000007 /* Space Attribute bits: */
83 #define SH7750_PTEA_SA_UNDEF 0x00000000 /* 0 - undefined */
84 #define SH7750_PTEA_SA_IOVAR 0x00000001 /* 1 - variable-size I/O space */
85 #define SH7750_PTEA_SA_IO8 0x00000002 /* 2 - 8-bit I/O space */
86 #define SH7750_PTEA_SA_IO16 0x00000003 /* 3 - 16-bit I/O space */
87 #define SH7750_PTEA_SA_CMEM8 0x00000004 /* 4 - 8-bit common memory space */
88 #define SH7750_PTEA_SA_CMEM16 0x00000005 /* 5 - 16-bit common memory space */
89 #define SH7750_PTEA_SA_AMEM8 0x00000006 /* 6 - 8-bit attr memory space */
90 #define SH7750_PTEA_SA_AMEM16 0x00000007 /* 7 - 16-bit attr memory space */
91
92
93 /* Translation table base register */
94 #define SH7750_TTB_REGOFS 0x000008 /* offset */
95 #define SH7750_TTB SH7750_P4_REG32(SH7750_TTB_REGOFS)
96 #define SH7750_TTB_A7 SH7750_A7_REG32(SH7750_TTB_REGOFS)
97
98 /* TLB exeption address register - TEA */
99 #define SH7750_TEA_REGOFS 0x00000c /* offset */
100 #define SH7750_TEA SH7750_P4_REG32(SH7750_TEA_REGOFS)
101 #define SH7750_TEA_A7 SH7750_A7_REG32(SH7750_TEA_REGOFS)
102
103 /* MMU control register - MMUCR */
104 #define SH7750_MMUCR_REGOFS 0x000010 /* offset */
105 #define SH7750_MMUCR SH7750_P4_REG32(SH7750_MMUCR_REGOFS)
106 #define SH7750_MMUCR_A7 SH7750_A7_REG32(SH7750_MMUCR_REGOFS)
107 #define SH7750_MMUCR_AT 0x00000001 /* Address translation bit */
108 #define SH7750_MMUCR_TI 0x00000004 /* TLB invalidate */
109 #define SH7750_MMUCR_SV 0x00000100 /* Single Virtual Mode bit */
110 #define SH7750_MMUCR_SQMD 0x00000200 /* Store Queue Mode bit */
111 #define SH7750_MMUCR_URC 0x0000FC00 /* UTLB Replace Counter */
112 #define SH7750_MMUCR_URC_S 10
113 #define SH7750_MMUCR_URB 0x00FC0000 /* UTLB Replace Boundary */
114 #define SH7750_MMUCR_URB_S 18
115 #define SH7750_MMUCR_LRUI 0xFC000000 /* Least Recently Used ITLB */
116 #define SH7750_MMUCR_LRUI_S 26
117
118
119
120
121 /*
122 * Cache registers
123 * IC -- instructions cache
124 * OC -- operand cache
125 */
126
127 /* Cache Control Register - CCR */
128 #define SH7750_CCR_REGOFS 0x00001c /* offset */
129 #define SH7750_CCR SH7750_P4_REG32(SH7750_CCR_REGOFS)
130 #define SH7750_CCR_A7 SH7750_A7_REG32(SH7750_CCR_REGOFS)
131
132 #define SH7750_CCR_IIX 0x00008000 /* IC index enable bit */
133 #define SH7750_CCR_ICI 0x00000800 /* IC invalidation bit:
134 set it to clear IC */
135 #define SH7750_CCR_ICE 0x00000100 /* IC enable bit */
136 #define SH7750_CCR_OIX 0x00000080 /* OC index enable bit */
137 #define SH7750_CCR_ORA 0x00000020 /* OC RAM enable bit
138 if you set OCE = 0,
139 you should set ORA = 0 */
140 #define SH7750_CCR_OCI 0x00000008 /* OC invalidation bit */
141 #define SH7750_CCR_CB 0x00000004 /* Copy-back bit for P1 area */
142 #define SH7750_CCR_WT 0x00000002 /* Write-through bit for P0,U0,P3 area */
143 #define SH7750_CCR_OCE 0x00000001 /* OC enable bit */
144
145 /* Queue address control register 0 - QACR0 */
146 #define SH7750_QACR0_REGOFS 0x000038 /* offset */
147 #define SH7750_QACR0 SH7750_P4_REG32(SH7750_QACR0_REGOFS)
148 #define SH7750_QACR0_A7 SH7750_A7_REG32(SH7750_QACR0_REGOFS)
149
150 /* Queue address control register 1 - QACR1 */
151 #define SH7750_QACR1_REGOFS 0x00003c /* offset */
152 #define SH7750_QACR1 SH7750_P4_REG32(SH7750_QACR1_REGOFS)
153 #define SH7750_QACR1_A7 SH7750_A7_REG32(SH7750_QACR1_REGOFS)
154
155
156 /*
157 * Exeption-related registers
158 */
159
160 /* Immediate data for TRAPA instuction - TRA */
161 #define SH7750_TRA_REGOFS 0x000020 /* offset */
162 #define SH7750_TRA SH7750_P4_REG32(SH7750_TRA_REGOFS)
163 #define SH7750_TRA_A7 SH7750_A7_REG32(SH7750_TRA_REGOFS)
164
165 #define SH7750_TRA_IMM 0x000003fd /* Immediate data operand */
166 #define SH7750_TRA_IMM_S 2
167
168 /* Exeption event register - EXPEVT */
169 #define SH7750_EXPEVT_REGOFS 0x000024
170 #define SH7750_EXPEVT SH7750_P4_REG32(SH7750_EXPEVT_REGOFS)
171 #define SH7750_EXPEVT_A7 SH7750_A7_REG32(SH7750_EXPEVT_REGOFS)
172
173 #define SH7750_EXPEVT_EX 0x00000fff /* Exeption code */
174 #define SH7750_EXPEVT_EX_S 0
175
176 /* Interrupt event register */
177 #define SH7750_INTEVT_REGOFS 0x000028
178 #define SH7750_INTEVT SH7750_P4_REG32(SH7750_INTEVT_REGOFS)
179 #define SH7750_INTEVT_A7 SH7750_A7_REG32(SH7750_INTEVT_REGOFS)
180 #define SH7750_INTEVT_EX 0x00000fff /* Exeption code */
181 #define SH7750_INTEVT_EX_S 0
182
183 /*
184 * Exception/interrupt codes
185 */
186 #define SH7750_EVT_TO_NUM(evt) ((evt) >> 5)
187
188 /* Reset exception category */
189 #define SH7750_EVT_POWER_ON_RST 0x000 /* Power-on reset */
190 #define SH7750_EVT_MANUAL_RST 0x020 /* Manual reset */
191 #define SH7750_EVT_TLB_MULT_HIT 0x140 /* TLB multiple-hit exception */
192
193 /* General exception category */
194 #define SH7750_EVT_USER_BREAK 0x1E0 /* User break */
195 #define SH7750_EVT_IADDR_ERR 0x0E0 /* Instruction address error */
196 #define SH7750_EVT_TLB_READ_MISS 0x040 /* ITLB miss exception /
197 DTLB miss exception (read) */
198 #define SH7750_EVT_TLB_READ_PROTV 0x0A0 /* ITLB protection violation /
199 DTLB protection violation (read) */
200 #define SH7750_EVT_ILLEGAL_INSTR 0x180 /* General Illegal Instruction
201 exception */
202 #define SH7750_EVT_SLOT_ILLEGAL_INSTR 0x1A0 /* Slot Illegal Instruction
203 exception */
204 #define SH7750_EVT_FPU_DISABLE 0x800 /* General FPU disable exception */
205 #define SH7750_EVT_SLOT_FPU_DISABLE 0x820 /* Slot FPU disable exception */
206 #define SH7750_EVT_DATA_READ_ERR 0x0E0 /* Data address error (read) */
207 #define SH7750_EVT_DATA_WRITE_ERR 0x100 /* Data address error (write) */
208 #define SH7750_EVT_DTLB_WRITE_MISS 0x060 /* DTLB miss exception (write) */
209 #define SH7750_EVT_DTLB_WRITE_PROTV 0x0C0 /* DTLB protection violation
210 exception (write) */
211 #define SH7750_EVT_FPU_EXCEPTION 0x120 /* FPU exception */
212 #define SH7750_EVT_INITIAL_PGWRITE 0x080 /* Initial Page Write exception */
213 #define SH7750_EVT_TRAPA 0x160 /* Unconditional trap (TRAPA) */
214
215 /* Interrupt exception category */
216 #define SH7750_EVT_NMI 0x1C0 /* Non-maskable interrupt */
217 #define SH7750_EVT_IRQ0 0x200 /* External Interrupt 0 */
218 #define SH7750_EVT_IRQ1 0x220 /* External Interrupt 1 */
219 #define SH7750_EVT_IRQ2 0x240 /* External Interrupt 2 */
220 #define SH7750_EVT_IRQ3 0x260 /* External Interrupt 3 */
221 #define SH7750_EVT_IRQ4 0x280 /* External Interrupt 4 */
222 #define SH7750_EVT_IRQ5 0x2A0 /* External Interrupt 5 */
223 #define SH7750_EVT_IRQ6 0x2C0 /* External Interrupt 6 */
224 #define SH7750_EVT_IRQ7 0x2E0 /* External Interrupt 7 */
225 #define SH7750_EVT_IRQ8 0x300 /* External Interrupt 8 */
226 #define SH7750_EVT_IRQ9 0x320 /* External Interrupt 9 */
227 #define SH7750_EVT_IRQA 0x340 /* External Interrupt A */
228 #define SH7750_EVT_IRQB 0x360 /* External Interrupt B */
229 #define SH7750_EVT_IRQC 0x380 /* External Interrupt C */
230 #define SH7750_EVT_IRQD 0x3A0 /* External Interrupt D */
231 #define SH7750_EVT_IRQE 0x3C0 /* External Interrupt E */
232
233 /* Peripheral Module Interrupts - Timer Unit (TMU) */
234 #define SH7750_EVT_TUNI0 0x400 /* TMU Underflow Interrupt 0 */
235 #define SH7750_EVT_TUNI1 0x420 /* TMU Underflow Interrupt 1 */
236 #define SH7750_EVT_TUNI2 0x440 /* TMU Underflow Interrupt 2 */
237 #define SH7750_EVT_TICPI2 0x460 /* TMU Input Capture Interrupt 2 */
238
239 /* Peripheral Module Interrupts - Real-Time Clock (RTC) */
240 #define SH7750_EVT_RTC_ATI 0x480 /* Alarm Interrupt Request */
241 #define SH7750_EVT_RTC_PRI 0x4A0 /* Periodic Interrupt Request */
242 #define SH7750_EVT_RTC_CUI 0x4C0 /* Carry Interrupt Request */
243
244 /* Peripheral Module Interrupts - Serial Communication Interface (SCI) */
245 #define SH7750_EVT_SCI_ERI 0x4E0 /* Receive Error */
246 #define SH7750_EVT_SCI_RXI 0x500 /* Receive Data Register Full */
247 #define SH7750_EVT_SCI_TXI 0x520 /* Transmit Data Register Empty */
248 #define SH7750_EVT_SCI_TEI 0x540 /* Transmit End */
249
250 /* Peripheral Module Interrupts - Watchdog Timer (WDT) */
251 #define SH7750_EVT_WDT_ITI 0x560 /* Interval Timer Interrupt
252 (used when WDT operates in
253 interval timer mode) */
254
255 /* Peripheral Module Interrupts - Memory Refresh Unit (REF) */
256 #define SH7750_EVT_REF_RCMI 0x580 /* Compare-match Interrupt */
257 #define SH7750_EVT_REF_ROVI 0x5A0 /* Refresh Counter Overflow
258 interrupt */
259
260 /* Peripheral Module Interrupts - Hitachi User Debug Interface (H-UDI) */
261 #define SH7750_EVT_HUDI 0x600 /* UDI interrupt */
262
263 /* Peripheral Module Interrupts - General-Purpose I/O (GPIO) */
264 #define SH7750_EVT_GPIO 0x620 /* GPIO Interrupt */
265
266 /* Peripheral Module Interrupts - DMA Controller (DMAC) */
267 #define SH7750_EVT_DMAC_DMTE0 0x640 /* DMAC 0 Transfer End Interrupt */
268 #define SH7750_EVT_DMAC_DMTE1 0x660 /* DMAC 1 Transfer End Interrupt */
269 #define SH7750_EVT_DMAC_DMTE2 0x680 /* DMAC 2 Transfer End Interrupt */
270 #define SH7750_EVT_DMAC_DMTE3 0x6A0 /* DMAC 3 Transfer End Interrupt */
271 #define SH7750_EVT_DMAC_DMAE 0x6C0 /* DMAC Address Error Interrupt */
272
273 /* Peripheral Module Interrupts - Serial Communication Interface with FIFO */
274 /* (SCIF) */
275 #define SH7750_EVT_SCIF_ERI 0x700 /* Receive Error */
276 #define SH7750_EVT_SCIF_RXI 0x720 /* Receive FIFO Data Full or
277 Receive Data ready interrupt */
278 #define SH7750_EVT_SCIF_BRI 0x740 /* Break or overrun error */
279 #define SH7750_EVT_SCIF_TXI 0x760 /* Transmit FIFO Data Empty */
280
281 /*
282 * Power Management
283 */
284 #define SH7750_STBCR_REGOFS 0xC00004 /* offset */
285 #define SH7750_STBCR SH7750_P4_REG32(SH7750_STBCR_REGOFS)
286 #define SH7750_STBCR_A7 SH7750_A7_REG32(SH7750_STBCR_REGOFS)
287
288 #define SH7750_STBCR_STBY 0x80 /* Specifies a transition to standby mode:
289 0 - Transition to SLEEP mode on SLEEP
290 1 - Transition to STANDBY mode on SLEEP */
291 #define SH7750_STBCR_PHZ 0x40 /* State of peripheral module pins in
292 standby mode:
293 0 - normal state
294 1 - high-impendance state */
295
296 #define SH7750_STBCR_PPU 0x20 /* Peripheral module pins pull-up controls */
297 #define SH7750_STBCR_MSTP4 0x10 /* Stopping the clock supply to DMAC */
298 #define SH7750_STBCR_DMAC_STP SH7750_STBCR_MSTP4
299 #define SH7750_STBCR_MSTP3 0x08 /* Stopping the clock supply to SCIF */
300 #define SH7750_STBCR_SCIF_STP SH7750_STBCR_MSTP3
301 #define SH7750_STBCR_MSTP2 0x04 /* Stopping the clock supply to TMU */
302 #define SH7750_STBCR_TMU_STP SH7750_STBCR_MSTP2
303 #define SH7750_STBCR_MSTP1 0x02 /* Stopping the clock supply to RTC */
304 #define SH7750_STBCR_RTC_STP SH7750_STBCR_MSTP1
305 #define SH7750_STBCR_MSPT0 0x01 /* Stopping the clock supply to SCI */
306 #define SH7750_STBCR_SCI_STP SH7750_STBCR_MSTP0
307
308 #define SH7750_STBCR_STBY 0x80
309
310
311 #define SH7750_STBCR2_REGOFS 0xC00010 /* offset */
312 #define SH7750_STBCR2 SH7750_P4_REG32(SH7750_STBCR2_REGOFS)
313 #define SH7750_STBCR2_A7 SH7750_A7_REG32(SH7750_STBCR2_REGOFS)
314
315 #define SH7750_STBCR2_DSLP 0x80 /* Specifies transition to deep sleep mode:
316 0 - transition to sleep or standby mode
317 as it is specified in STBY bit
318 1 - transition to deep sleep mode on
319 execution of SLEEP instruction */
320 #define SH7750_STBCR2_MSTP6 0x02 /* Stopping the clock supply to Store Queue
321 in the cache controller */
322 #define SH7750_STBCR2_SQ_STP SH7750_STBCR2_MSTP6
323 #define SH7750_STBCR2_MSTP5 0x01 /* Stopping the clock supply to the User
324 Break Controller (UBC) */
325 #define SH7750_STBCR2_UBC_STP SH7750_STBCR2_MSTP5
326
327 /*
328 * Clock Pulse Generator (CPG)
329 */
330 #define SH7750_FRQCR_REGOFS 0xC00000 /* offset */
331 #define SH7750_FRQCR SH7750_P4_REG32(SH7750_FRQCR_REGOFS)
332 #define SH7750_FRQCR_A7 SH7750_A7_REG32(SH7750_FRQCR_REGOFS)
333
334 #define SH7750_FRQCR_CKOEN 0x0800 /* Clock Output Enable
335 0 - CKIO pin goes to HiZ/pullup
336 1 - Clock is output from CKIO */
337 #define SH7750_FRQCR_PLL1EN 0x0400 /* PLL circuit 1 enable */
338 #define SH7750_FRQCR_PLL2EN 0x0200 /* PLL circuit 2 enable */
339
340 #define SH7750_FRQCR_IFC 0x01C0 /* CPU clock frequency division ratio: */
341 #define SH7750_FRQCR_IFCDIV1 0x0000 /* 0 - * 1 */
342 #define SH7750_FRQCR_IFCDIV2 0x0040 /* 1 - * 1/2 */
343 #define SH7750_FRQCR_IFCDIV3 0x0080 /* 2 - * 1/3 */
344 #define SH7750_FRQCR_IFCDIV4 0x00C0 /* 3 - * 1/4 */
345 #define SH7750_FRQCR_IFCDIV6 0x0100 /* 4 - * 1/6 */
346 #define SH7750_FRQCR_IFCDIV8 0x0140 /* 5 - * 1/8 */
347
348 #define SH7750_FRQCR_BFC 0x0038 /* Bus clock frequency division ratio: */
349 #define SH7750_FRQCR_BFCDIV1 0x0000 /* 0 - * 1 */
350 #define SH7750_FRQCR_BFCDIV2 0x0008 /* 1 - * 1/2 */
351 #define SH7750_FRQCR_BFCDIV3 0x0010 /* 2 - * 1/3 */
352 #define SH7750_FRQCR_BFCDIV4 0x0018 /* 3 - * 1/4 */
353 #define SH7750_FRQCR_BFCDIV6 0x0020 /* 4 - * 1/6 */
354 #define SH7750_FRQCR_BFCDIV8 0x0028 /* 5 - * 1/8 */
355
356 #define SH7750_FRQCR_PFC 0x0007 /* Peripheral module clock frequency
357 division ratio: */
358 #define SH7750_FRQCR_PFCDIV2 0x0000 /* 0 - * 1/2 */
359 #define SH7750_FRQCR_PFCDIV3 0x0001 /* 1 - * 1/3 */
360 #define SH7750_FRQCR_PFCDIV4 0x0002 /* 2 - * 1/4 */
361 #define SH7750_FRQCR_PFCDIV6 0x0003 /* 3 - * 1/6 */
362 #define SH7750_FRQCR_PFCDIV8 0x0004 /* 4 - * 1/8 */
363
364 /*
365 * Watchdog Timer (WDT)
366 */
367
368 /* Watchdog Timer Counter register - WTCNT */
369 #define SH7750_WTCNT_REGOFS 0xC00008 /* offset */
370 #define SH7750_WTCNT SH7750_P4_REG32(SH7750_WTCNT_REGOFS)
371 #define SH7750_WTCNT_A7 SH7750_A7_REG32(SH7750_WTCNT_REGOFS)
372 #define SH7750_WTCNT_KEY 0x5A00 /* When WTCNT byte register written,
373 you have to set the upper byte to
374 0x5A */
375
376 /* Watchdog Timer Control/Status register - WTCSR */
377 #define SH7750_WTCSR_REGOFS 0xC0000C /* offset */
378 #define SH7750_WTCSR SH7750_P4_REG32(SH7750_WTCSR_REGOFS)
379 #define SH7750_WTCSR_A7 SH7750_A7_REG32(SH7750_WTCSR_REGOFS)
380 #define SH7750_WTCSR_KEY 0xA500 /* When WTCSR byte register written,
381 you have to set the upper byte to
382 0xA5 */
383 #define SH7750_WTCSR_TME 0x80 /* Timer enable (1-upcount start) */
384 #define SH7750_WTCSR_MODE 0x40 /* Timer Mode Select: */
385 #define SH7750_WTCSR_MODE_WT 0x40 /* Watchdog Timer Mode */
386 #define SH7750_WTCSR_MODE_IT 0x00 /* Interval Timer Mode */
387 #define SH7750_WTCSR_RSTS 0x20 /* Reset Select: */
388 #define SH7750_WTCSR_RST_MAN 0x20 /* Manual Reset */
389 #define SH7750_WTCSR_RST_PWR 0x00 /* Power-on Reset */
390 #define SH7750_WTCSR_WOVF 0x10 /* Watchdog Timer Overflow Flag */
391 #define SH7750_WTCSR_IOVF 0x08 /* Interval Timer Overflow Flag */
392 #define SH7750_WTCSR_CKS 0x07 /* Clock Select: */
393 #define SH7750_WTCSR_CKS_DIV32 0x00 /* 1/32 of frequency divider 2 input */
394 #define SH7750_WTCSR_CKS_DIV64 0x01 /* 1/64 */
395 #define SH7750_WTCSR_CKS_DIV128 0x02 /* 1/128 */
396 #define SH7750_WTCSR_CKS_DIV256 0x03 /* 1/256 */
397 #define SH7750_WTCSR_CKS_DIV512 0x04 /* 1/512 */
398 #define SH7750_WTCSR_CKS_DIV1024 0x05 /* 1/1024 */
399 #define SH7750_WTCSR_CKS_DIV2048 0x06 /* 1/2048 */
400 #define SH7750_WTCSR_CKS_DIV4096 0x07 /* 1/4096 */
401
402 /*
403 * Real-Time Clock (RTC)
404 */
405 /* 64-Hz Counter Register (byte, read-only) - R64CNT */
406 #define SH7750_R64CNT_REGOFS 0xC80000 /* offset */
407 #define SH7750_R64CNT SH7750_P4_REG32(SH7750_R64CNT_REGOFS)
408 #define SH7750_R64CNT_A7 SH7750_A7_REG32(SH7750_R64CNT_REGOFS)
409
410 /* Second Counter Register (byte, BCD-coded) - RSECCNT */
411 #define SH7750_RSECCNT_REGOFS 0xC80004 /* offset */
412 #define SH7750_RSECCNT SH7750_P4_REG32(SH7750_RSECCNT_REGOFS)
413 #define SH7750_RSECCNT_A7 SH7750_A7_REG32(SH7750_RSECCNT_REGOFS)
414
415 /* Minute Counter Register (byte, BCD-coded) - RMINCNT */
416 #define SH7750_RMINCNT_REGOFS 0xC80008 /* offset */
417 #define SH7750_RMINCNT SH7750_P4_REG32(SH7750_RMINCNT_REGOFS)
418 #define SH7750_RMINCNT_A7 SH7750_A7_REG32(SH7750_RMINCNT_REGOFS)
419
420 /* Hour Counter Register (byte, BCD-coded) - RHRCNT */
421 #define SH7750_RHRCNT_REGOFS 0xC8000C /* offset */
422 #define SH7750_RHRCNT SH7750_P4_REG32(SH7750_RHRCNT_REGOFS)
423 #define SH7750_RHRCNT_A7 SH7750_A7_REG32(SH7750_RHRCNT_REGOFS)
424
425 /* Day-of-Week Counter Register (byte) - RWKCNT */
426 #define SH7750_RWKCNT_REGOFS 0xC80010 /* offset */
427 #define SH7750_RWKCNT SH7750_P4_REG32(SH7750_RWKCNT_REGOFS)
428 #define SH7750_RWKCNT_A7 SH7750_A7_REG32(SH7750_RWKCNT_REGOFS)
429
430 #define SH7750_RWKCNT_SUN 0 /* Sunday */
431 #define SH7750_RWKCNT_MON 1 /* Monday */
432 #define SH7750_RWKCNT_TUE 2 /* Tuesday */
433 #define SH7750_RWKCNT_WED 3 /* Wednesday */
434 #define SH7750_RWKCNT_THU 4 /* Thursday */
435 #define SH7750_RWKCNT_FRI 5 /* Friday */
436 #define SH7750_RWKCNT_SAT 6 /* Saturday */
437
438 /* Day Counter Register (byte, BCD-coded) - RDAYCNT */
439 #define SH7750_RDAYCNT_REGOFS 0xC80014 /* offset */
440 #define SH7750_RDAYCNT SH7750_P4_REG32(SH7750_RDAYCNT_REGOFS)
441 #define SH7750_RDAYCNT_A7 SH7750_A7_REG32(SH7750_RDAYCNT_REGOFS)
442
443 /* Month Counter Register (byte, BCD-coded) - RMONCNT */
444 #define SH7750_RMONCNT_REGOFS 0xC80018 /* offset */
445 #define SH7750_RMONCNT SH7750_P4_REG32(SH7750_RMONCNT_REGOFS)
446 #define SH7750_RMONCNT_A7 SH7750_A7_REG32(SH7750_RMONCNT_REGOFS)
447
448 /* Year Counter Register (half, BCD-coded) - RYRCNT */
449 #define SH7750_RYRCNT_REGOFS 0xC8001C /* offset */
450 #define SH7750_RYRCNT SH7750_P4_REG32(SH7750_RYRCNT_REGOFS)
451 #define SH7750_RYRCNT_A7 SH7750_A7_REG32(SH7750_RYRCNT_REGOFS)
452
453 /* Second Alarm Register (byte, BCD-coded) - RSECAR */
454 #define SH7750_RSECAR_REGOFS 0xC80020 /* offset */
455 #define SH7750_RSECAR SH7750_P4_REG32(SH7750_RSECAR_REGOFS)
456 #define SH7750_RSECAR_A7 SH7750_A7_REG32(SH7750_RSECAR_REGOFS)
457 #define SH7750_RSECAR_ENB 0x80 /* Second Alarm Enable */
458
459 /* Minute Alarm Register (byte, BCD-coded) - RMINAR */
460 #define SH7750_RMINAR_REGOFS 0xC80024 /* offset */
461 #define SH7750_RMINAR SH7750_P4_REG32(SH7750_RMINAR_REGOFS)
462 #define SH7750_RMINAR_A7 SH7750_A7_REG32(SH7750_RMINAR_REGOFS)
463 #define SH7750_RMINAR_ENB 0x80 /* Minute Alarm Enable */
464
465 /* Hour Alarm Register (byte, BCD-coded) - RHRAR */
466 #define SH7750_RHRAR_REGOFS 0xC80028 /* offset */
467 #define SH7750_RHRAR SH7750_P4_REG32(SH7750_RHRAR_REGOFS)
468 #define SH7750_RHRAR_A7 SH7750_A7_REG32(SH7750_RHRAR_REGOFS)
469 #define SH7750_RHRAR_ENB 0x80 /* Hour Alarm Enable */
470
471 /* Day-of-Week Alarm Register (byte) - RWKAR */
472 #define SH7750_RWKAR_REGOFS 0xC8002C /* offset */
473 #define SH7750_RWKAR SH7750_P4_REG32(SH7750_RWKAR_REGOFS)
474 #define SH7750_RWKAR_A7 SH7750_A7_REG32(SH7750_RWKAR_REGOFS)
475 #define SH7750_RWKAR_ENB 0x80 /* Day-of-week Alarm Enable */
476
477 #define SH7750_RWKAR_SUN 0 /* Sunday */
478 #define SH7750_RWKAR_MON 1 /* Monday */
479 #define SH7750_RWKAR_TUE 2 /* Tuesday */
480 #define SH7750_RWKAR_WED 3 /* Wednesday */
481 #define SH7750_RWKAR_THU 4 /* Thursday */
482 #define SH7750_RWKAR_FRI 5 /* Friday */
483 #define SH7750_RWKAR_SAT 6 /* Saturday */
484
485 /* Day Alarm Register (byte, BCD-coded) - RDAYAR */
486 #define SH7750_RDAYAR_REGOFS 0xC80030 /* offset */
487 #define SH7750_RDAYAR SH7750_P4_REG32(SH7750_RDAYAR_REGOFS)
488 #define SH7750_RDAYAR_A7 SH7750_A7_REG32(SH7750_RDAYAR_REGOFS)
489 #define SH7750_RDAYAR_ENB 0x80 /* Day Alarm Enable */
490
491 /* Month Counter Register (byte, BCD-coded) - RMONAR */
492 #define SH7750_RMONAR_REGOFS 0xC80034 /* offset */
493 #define SH7750_RMONAR SH7750_P4_REG32(SH7750_RMONAR_REGOFS)
494 #define SH7750_RMONAR_A7 SH7750_A7_REG32(SH7750_RMONAR_REGOFS)
495 #define SH7750_RMONAR_ENB 0x80 /* Month Alarm Enable */
496
497 /* RTC Control Register 1 (byte) - RCR1 */
498 #define SH7750_RCR1_REGOFS 0xC80038 /* offset */
499 #define SH7750_RCR1 SH7750_P4_REG32(SH7750_RCR1_REGOFS)
500 #define SH7750_RCR1_A7 SH7750_A7_REG32(SH7750_RCR1_REGOFS)
501 #define SH7750_RCR1_CF 0x80 /* Carry Flag */
502 #define SH7750_RCR1_CIE 0x10 /* Carry Interrupt Enable */
503 #define SH7750_RCR1_AIE 0x08 /* Alarm Interrupt Enable */
504 #define SH7750_RCR1_AF 0x01 /* Alarm Flag */
505
506 /* RTC Control Register 2 (byte) - RCR2 */
507 #define SH7750_RCR2_REGOFS 0xC8003C /* offset */
508 #define SH7750_RCR2 SH7750_P4_REG32(SH7750_RCR2_REGOFS)
509 #define SH7750_RCR2_A7 SH7750_A7_REG32(SH7750_RCR2_REGOFS)
510 #define SH7750_RCR2_PEF 0x80 /* Periodic Interrupt Flag */
511 #define SH7750_RCR2_PES 0x70 /* Periodic Interrupt Enable: */
512 #define SH7750_RCR2_PES_DIS 0x00 /* Periodic Interrupt Disabled */
513 #define SH7750_RCR2_PES_DIV256 0x10 /* Generated at 1/256 sec interval */
514 #define SH7750_RCR2_PES_DIV64 0x20 /* Generated at 1/64 sec interval */
515 #define SH7750_RCR2_PES_DIV16 0x30 /* Generated at 1/16 sec interval */
516 #define SH7750_RCR2_PES_DIV4 0x40 /* Generated at 1/4 sec interval */
517 #define SH7750_RCR2_PES_DIV2 0x50 /* Generated at 1/2 sec interval */
518 #define SH7750_RCR2_PES_x1 0x60 /* Generated at 1 sec interval */
519 #define SH7750_RCR2_PES_x2 0x70 /* Generated at 2 sec interval */
520 #define SH7750_RCR2_RTCEN 0x08 /* RTC Crystal Oscillator is Operated */
521 #define SH7750_RCR2_ADJ 0x04 /* 30-Second Adjastment */
522 #define SH7750_RCR2_RESET 0x02 /* Frequency divider circuits are reset */
523 #define SH7750_RCR2_START 0x01 /* 0 - sec, min, hr, day-of-week, month,
524 year counters are stopped
525 1 - sec, min, hr, day-of-week, month,
526 year counters operate normally */
527 /*
528 * Bus State Controller - BSC
529 */
530 /* Bus Control Register 1 - BCR1 */
531 #define SH7750_BCR1_REGOFS 0x800000 /* offset */
532 #define SH7750_BCR1 SH7750_P4_REG32(SH7750_BCR1_REGOFS)
533 #define SH7750_BCR1_A7 SH7750_A7_REG32(SH7750_BCR1_REGOFS)
534 #define SH7750_BCR1_ENDIAN 0x80000000 /* Endianness (1 - little endian) */
535 #define SH7750_BCR1_MASTER 0x40000000 /* Master/Slave mode (1-master) */
536 #define SH7750_BCR1_A0MPX 0x20000000 /* Area 0 Memory Type (0-SRAM,1-MPX) */
537 #define SH7750_BCR1_IPUP 0x02000000 /* Input Pin Pull-up Control:
538 0 - pull-up resistor is on for
539 control input pins
540 1 - pull-up resistor is off */
541 #define SH7750_BCR1_OPUP 0x01000000 /* Output Pin Pull-up Control:
542 0 - pull-up resistor is on for
543 control output pins
544 1 - pull-up resistor is off */
545 #define SH7750_BCR1_A1MBC 0x00200000 /* Area 1 SRAM Byte Control Mode:
546 0 - Area 1 SRAM is set to
547 normal mode
548 1 - Area 1 SRAM is set to byte
549 control mode */
550 #define SH7750_BCR1_A4MBC 0x00100000 /* Area 4 SRAM Byte Control Mode:
551 0 - Area 4 SRAM is set to
552 normal mode
553 1 - Area 4 SRAM is set to byte
554 control mode */
555 #define SH7750_BCR1_BREQEN 0x00080000 /* BREQ Enable:
556 0 - External requests are not
557 accepted
558 1 - External requests are
559 accepted */
560 #define SH7750_BCR1_PSHR 0x00040000 /* Partial Sharing Bit:
561 0 - Master Mode
562 1 - Partial-sharing Mode */
563 #define SH7750_BCR1_MEMMPX 0x00020000 /* Area 1 to 6 MPX Interface:
564 0 - SRAM/burst ROM interface
565 1 - MPX interface */
566 #define SH7750_BCR1_HIZMEM 0x00008000 /* High Impendance Control. Specifies
567 the state of A[25:0], BS\, CSn\,
568 RD/WR\, CE2A\, CE2B\ in standby
569 mode and when bus is released:
570 0 - signals go to High-Z mode
571 1 - signals driven */
572 #define SH7750_BCR1_HIZCNT 0x00004000 /* High Impendance Control. Specifies
573 the state of the RAS\, RAS2\, WEn\,
574 CASn\, DQMn, RD\, CASS\, FRAME\,
575 RD2\ signals in standby mode and
576 when bus is released:
577 0 - signals go to High-Z mode
578 1 - signals driven */
579 #define SH7750_BCR1_A0BST 0x00003800 /* Area 0 Burst ROM Control */
580 #define SH7750_BCR1_A0BST_SRAM 0x0000 /* Area 0 accessed as SRAM i/f */
581 #define SH7750_BCR1_A0BST_ROM4 0x0800 /* Area 0 accessed as burst ROM
582 interface, 4 cosequtive access */
583 #define SH7750_BCR1_A0BST_ROM8 0x1000 /* Area 0 accessed as burst ROM
584 interface, 8 cosequtive access */
585 #define SH7750_BCR1_A0BST_ROM16 0x1800 /* Area 0 accessed as burst ROM
586 interface, 16 cosequtive access */
587 #define SH7750_BCR1_A0BST_ROM32 0x2000 /* Area 0 accessed as burst ROM
588 interface, 32 cosequtive access */
589
590 #define SH7750_BCR1_A5BST 0x00000700 /* Area 5 Burst ROM Control */
591 #define SH7750_BCR1_A5BST_SRAM 0x0000 /* Area 5 accessed as SRAM i/f */
592 #define SH7750_BCR1_A5BST_ROM4 0x0100 /* Area 5 accessed as burst ROM
593 interface, 4 cosequtive access */
594 #define SH7750_BCR1_A5BST_ROM8 0x0200 /* Area 5 accessed as burst ROM
595 interface, 8 cosequtive access */
596 #define SH7750_BCR1_A5BST_ROM16 0x0300 /* Area 5 accessed as burst ROM
597 interface, 16 cosequtive access */
598 #define SH7750_BCR1_A5BST_ROM32 0x0400 /* Area 5 accessed as burst ROM
599 interface, 32 cosequtive access */
600
601 #define SH7750_BCR1_A6BST 0x000000E0 /* Area 6 Burst ROM Control */
602 #define SH7750_BCR1_A6BST_SRAM 0x0000 /* Area 6 accessed as SRAM i/f */
603 #define SH7750_BCR1_A6BST_ROM4 0x0020 /* Area 6 accessed as burst ROM
604 interface, 4 cosequtive access */
605 #define SH7750_BCR1_A6BST_ROM8 0x0040 /* Area 6 accessed as burst ROM
606 interface, 8 cosequtive access */
607 #define SH7750_BCR1_A6BST_ROM16 0x0060 /* Area 6 accessed as burst ROM
608 interface, 16 cosequtive access */
609 #define SH7750_BCR1_A6BST_ROM32 0x0080 /* Area 6 accessed as burst ROM
610 interface, 32 cosequtive access */
611
612 #define SH7750_BCR1_DRAMTP 0x001C /* Area 2 and 3 Memory Type */
613 #define SH7750_BCR1_DRAMTP_2SRAM_3SRAM 0x0000 /* Area 2 and 3 are SRAM or MPX
614 interface. */
615 #define SH7750_BCR1_DRAMTP_2SRAM_3SDRAM 0x0008 /* Area 2 - SRAM/MPX, Area 3 -
616 synchronous DRAM */
617 #define SH7750_BCR1_DRAMTP_2SDRAM_3SDRAM 0x000C /* Area 2 and 3 are synchronous
618 DRAM interface */
619 #define SH7750_BCR1_DRAMTP_2SRAM_3DRAM 0x0010 /* Area 2 - SRAM/MPX, Area 3 -
620 DRAM interface */
621 #define SH7750_BCR1_DRAMTP_2DRAM_3DRAM 0x0014 /* Area 2 and 3 are DRAM
622 interface */
623
624 #define SH7750_BCR1_A56PCM 0x00000001 /* Area 5 and 6 Bus Type:
625 0 - SRAM interface
626 1 - PCMCIA interface */
627
628 /* Bus Control Register 2 (half) - BCR2 */
629 #define SH7750_BCR2_REGOFS 0x800004 /* offset */
630 #define SH7750_BCR2 SH7750_P4_REG32(SH7750_BCR2_REGOFS)
631 #define SH7750_BCR2_A7 SH7750_A7_REG32(SH7750_BCR2_REGOFS)
632
633 #define SH7750_BCR2_A0SZ 0xC000 /* Area 0 Bus Width */
634 #define SH7750_BCR2_A0SZ_S 14
635 #define SH7750_BCR2_A6SZ 0x3000 /* Area 6 Bus Width */
636 #define SH7750_BCR2_A6SZ_S 12
637 #define SH7750_BCR2_A5SZ 0x0C00 /* Area 5 Bus Width */
638 #define SH7750_BCR2_A5SZ_S 10
639 #define SH7750_BCR2_A4SZ 0x0300 /* Area 4 Bus Width */
640 #define SH7750_BCR2_A4SZ_S 8
641 #define SH7750_BCR2_A3SZ 0x00C0 /* Area 3 Bus Width */
642 #define SH7750_BCR2_A3SZ_S 6
643 #define SH7750_BCR2_A2SZ 0x0030 /* Area 2 Bus Width */
644 #define SH7750_BCR2_A2SZ_S 4
645 #define SH7750_BCR2_A1SZ 0x000C /* Area 1 Bus Width */
646 #define SH7750_BCR2_A1SZ_S 2
647 #define SH7750_BCR2_SZ_64 0 /* 64 bits */
648 #define SH7750_BCR2_SZ_8 1 /* 8 bits */
649 #define SH7750_BCR2_SZ_16 2 /* 16 bits */
650 #define SH7750_BCR2_SZ_32 3 /* 32 bits */
651 #define SH7750_BCR2_PORTEN 0x0001 /* Port Function Enable :
652 0 - D51-D32 are not used as a port
653 1 - D51-D32 are used as a port */
654
655 /* Wait Control Register 1 - WCR1 */
656 #define SH7750_WCR1_REGOFS 0x800008 /* offset */
657 #define SH7750_WCR1 SH7750_P4_REG32(SH7750_WCR1_REGOFS)
658 #define SH7750_WCR1_A7 SH7750_A7_REG32(SH7750_WCR1_REGOFS)
659 #define SH7750_WCR1_DMAIW 0x70000000 /* DACK Device Inter-Cycle Idle
660 specification */
661 #define SH7750_WCR1_DMAIW_S 28
662 #define SH7750_WCR1_A6IW 0x07000000 /* Area 6 Inter-Cycle Idle spec. */
663 #define SH7750_WCR1_A6IW_S 24
664 #define SH7750_WCR1_A5IW 0x00700000 /* Area 5 Inter-Cycle Idle spec. */
665 #define SH7750_WCR1_A5IW_S 20
666 #define SH7750_WCR1_A4IW 0x00070000 /* Area 4 Inter-Cycle Idle spec. */
667 #define SH7750_WCR1_A4IW_S 16
668 #define SH7750_WCR1_A3IW 0x00007000 /* Area 3 Inter-Cycle Idle spec. */
669 #define SH7750_WCR1_A3IW_S 12
670 #define SH7750_WCR1_A2IW 0x00000700 /* Area 2 Inter-Cycle Idle spec. */
671 #define SH7750_WCR1_A2IW_S 8
672 #define SH7750_WCR1_A1IW 0x00000070 /* Area 1 Inter-Cycle Idle spec. */
673 #define SH7750_WCR1_A1IW_S 4
674 #define SH7750_WCR1_A0IW 0x00000007 /* Area 0 Inter-Cycle Idle spec. */
675 #define SH7750_WCR1_A0IW_S 0
676
677 /* Wait Control Register 2 - WCR2 */
678 #define SH7750_WCR2_REGOFS 0x80000C /* offset */
679 #define SH7750_WCR2 SH7750_P4_REG32(SH7750_WCR2_REGOFS)
680 #define SH7750_WCR2_A7 SH7750_A7_REG32(SH7750_WCR2_REGOFS)
681
682 #define SH7750_WCR2_A6W 0xE0000000 /* Area 6 Wait Control */
683 #define SH7750_WCR2_A6W_S 29
684 #define SH7750_WCR2_A6B 0x1C000000 /* Area 6 Burst Pitch */
685 #define SH7750_WCR2_A6B_S 26
686 #define SH7750_WCR2_A5W 0x03800000 /* Area 5 Wait Control */
687 #define SH7750_WCR2_A5W_S 23
688 #define SH7750_WCR2_A5B 0x00700000 /* Area 5 Burst Pitch */
689 #define SH7750_WCR2_A5B_S 20
690 #define SH7750_WCR2_A4W 0x000E0000 /* Area 4 Wait Control */
691 #define SH7750_WCR2_A4W_S 17
692 #define SH7750_WCR2_A3W 0x0000E000 /* Area 3 Wait Control */
693 #define SH7750_WCR2_A3W_S 13
694 #define SH7750_WCR2_A2W 0x00000E00 /* Area 2 Wait Control */
695 #define SH7750_WCR2_A2W_S 9
696 #define SH7750_WCR2_A1W 0x000001C0 /* Area 1 Wait Control */
697 #define SH7750_WCR2_A1W_S 6
698 #define SH7750_WCR2_A0W 0x00000038 /* Area 0 Wait Control */
699 #define SH7750_WCR2_A0W_S 3
700 #define SH7750_WCR2_A0B 0x00000007 /* Area 0 Burst Pitch */
701 #define SH7750_WCR2_A0B_S 0
702
703 #define SH7750_WCR2_WS0 0 /* 0 wait states inserted */
704 #define SH7750_WCR2_WS1 1 /* 1 wait states inserted */
705 #define SH7750_WCR2_WS2 2 /* 2 wait states inserted */
706 #define SH7750_WCR2_WS3 3 /* 3 wait states inserted */
707 #define SH7750_WCR2_WS6 4 /* 6 wait states inserted */
708 #define SH7750_WCR2_WS9 5 /* 9 wait states inserted */
709 #define SH7750_WCR2_WS12 6 /* 12 wait states inserted */
710 #define SH7750_WCR2_WS15 7 /* 15 wait states inserted */
711
712 #define SH7750_WCR2_BPWS0 0 /* 0 wait states inserted from 2nd access */
713 #define SH7750_WCR2_BPWS1 1 /* 1 wait states inserted from 2nd access */
714 #define SH7750_WCR2_BPWS2 2 /* 2 wait states inserted from 2nd access */
715 #define SH7750_WCR2_BPWS3 3 /* 3 wait states inserted from 2nd access */
716 #define SH7750_WCR2_BPWS4 4 /* 4 wait states inserted from 2nd access */
717 #define SH7750_WCR2_BPWS5 5 /* 5 wait states inserted from 2nd access */
718 #define SH7750_WCR2_BPWS6 6 /* 6 wait states inserted from 2nd access */
719 #define SH7750_WCR2_BPWS7 7 /* 7 wait states inserted from 2nd access */
720
721 /* DRAM CAS\ Assertion Delay (area 3,2) */
722 #define SH7750_WCR2_DRAM_CAS_ASW1 0 /* 1 cycle */
723 #define SH7750_WCR2_DRAM_CAS_ASW2 1 /* 2 cycles */
724 #define SH7750_WCR2_DRAM_CAS_ASW3 2 /* 3 cycles */
725 #define SH7750_WCR2_DRAM_CAS_ASW4 3 /* 4 cycles */
726 #define SH7750_WCR2_DRAM_CAS_ASW7 4 /* 7 cycles */
727 #define SH7750_WCR2_DRAM_CAS_ASW10 5 /* 10 cycles */
728 #define SH7750_WCR2_DRAM_CAS_ASW13 6 /* 13 cycles */
729 #define SH7750_WCR2_DRAM_CAS_ASW16 7 /* 16 cycles */
730
731 /* SDRAM CAS\ Latency Cycles */
732 #define SH7750_WCR2_SDRAM_CAS_LAT1 1 /* 1 cycle */
733 #define SH7750_WCR2_SDRAM_CAS_LAT2 2 /* 2 cycles */
734 #define SH7750_WCR2_SDRAM_CAS_LAT3 3 /* 3 cycles */
735 #define SH7750_WCR2_SDRAM_CAS_LAT4 4 /* 4 cycles */
736 #define SH7750_WCR2_SDRAM_CAS_LAT5 5 /* 5 cycles */
737
738 /* Wait Control Register 3 - WCR3 */
739 #define SH7750_WCR3_REGOFS 0x800010 /* offset */
740 #define SH7750_WCR3 SH7750_P4_REG32(SH7750_WCR3_REGOFS)
741 #define SH7750_WCR3_A7 SH7750_A7_REG32(SH7750_WCR3_REGOFS)
742
743 #define SH7750_WCR3_A6S 0x04000000 /* Area 6 Write Strobe Setup time */
744 #define SH7750_WCR3_A6H 0x03000000 /* Area 6 Data Hold Time */
745 #define SH7750_WCR3_A6H_S 24
746 #define SH7750_WCR3_A5S 0x00400000 /* Area 5 Write Strobe Setup time */
747 #define SH7750_WCR3_A5H 0x00300000 /* Area 5 Data Hold Time */
748 #define SH7750_WCR3_A5H_S 20
749 #define SH7750_WCR3_A4S 0x00040000 /* Area 4 Write Strobe Setup time */
750 #define SH7750_WCR3_A4H 0x00030000 /* Area 4 Data Hold Time */
751 #define SH7750_WCR3_A4H_S 16
752 #define SH7750_WCR3_A3S 0x00004000 /* Area 3 Write Strobe Setup time */
753 #define SH7750_WCR3_A3H 0x00003000 /* Area 3 Data Hold Time */
754 #define SH7750_WCR3_A3H_S 12
755 #define SH7750_WCR3_A2S 0x00000400 /* Area 2 Write Strobe Setup time */
756 #define SH7750_WCR3_A2H 0x00000300 /* Area 2 Data Hold Time */
757 #define SH7750_WCR3_A2H_S 8
758 #define SH7750_WCR3_A1S 0x00000040 /* Area 1 Write Strobe Setup time */
759 #define SH7750_WCR3_A1H 0x00000030 /* Area 1 Data Hold Time */
760 #define SH7750_WCR3_A1H_S 4
761 #define SH7750_WCR3_A0S 0x00000004 /* Area 0 Write Strobe Setup time */
762 #define SH7750_WCR3_A0H 0x00000003 /* Area 0 Data Hold Time */
763 #define SH7750_WCR3_A0H_S 0
764
765 #define SH7750_WCR3_DHWS_0 0 /* 0 wait states data hold time */
766 #define SH7750_WCR3_DHWS_1 1 /* 1 wait states data hold time */
767 #define SH7750_WCR3_DHWS_2 2 /* 2 wait states data hold time */
768 #define SH7750_WCR3_DHWS_3 3 /* 3 wait states data hold time */
769
770 #define SH7750_MCR_REGOFS 0x800014 /* offset */
771 #define SH7750_MCR SH7750_P4_REG32(SH7750_MCR_REGOFS)
772 #define SH7750_MCR_A7 SH7750_A7_REG32(SH7750_MCR_REGOFS)
773
774 #define SH7750_MCR_RASD 0x80000000 /* RAS Down mode */
775 #define SH7750_MCR_MRSET 0x40000000 /* SDRAM Mode Register Set */
776 #define SH7750_MCR_PALL 0x00000000 /* SDRAM Precharge All cmd. Mode */
777 #define SH7750_MCR_TRC 0x38000000 /* RAS Precharge Time at End of
778 Refresh: */
779 #define SH7750_MCR_TRC_0 0x00000000 /* 0 */
780 #define SH7750_MCR_TRC_3 0x08000000 /* 3 */
781 #define SH7750_MCR_TRC_6 0x10000000 /* 6 */
782 #define SH7750_MCR_TRC_9 0x18000000 /* 9 */
783 #define SH7750_MCR_TRC_12 0x20000000 /* 12 */
784 #define SH7750_MCR_TRC_15 0x28000000 /* 15 */
785 #define SH7750_MCR_TRC_18 0x30000000 /* 18 */
786 #define SH7750_MCR_TRC_21 0x38000000 /* 21 */
787
788 #define SH7750_MCR_TCAS 0x00800000 /* CAS Negation Period */
789 #define SH7750_MCR_TCAS_1 0x00000000 /* 1 */
790 #define SH7750_MCR_TCAS_2 0x00800000 /* 2 */
791
792 #define SH7750_MCR_TPC 0x00380000 /* DRAM: RAS Precharge Period
793 SDRAM: minimum number of cycles
794 until the next bank active cmd
795 is output after precharging */
796 #define SH7750_MCR_TPC_S 19
797 #define SH7750_MCR_TPC_SDRAM_1 0x00000000 /* 1 cycle */
798 #define SH7750_MCR_TPC_SDRAM_2 0x00080000 /* 2 cycles */
799 #define SH7750_MCR_TPC_SDRAM_3 0x00100000 /* 3 cycles */
800 #define SH7750_MCR_TPC_SDRAM_4 0x00180000 /* 4 cycles */
801 #define SH7750_MCR_TPC_SDRAM_5 0x00200000 /* 5 cycles */
802 #define SH7750_MCR_TPC_SDRAM_6 0x00280000 /* 6 cycles */
803 #define SH7750_MCR_TPC_SDRAM_7 0x00300000 /* 7 cycles */
804 #define SH7750_MCR_TPC_SDRAM_8 0x00380000 /* 8 cycles */
805
806 #define SH7750_MCR_RCD 0x00030000 /* DRAM: RAS-CAS Assertion Delay time
807 SDRAM: bank active-read/write cmd
808 delay time */
809 #define SH7750_MCR_RCD_DRAM_2 0x00000000 /* DRAM delay 2 clocks */
810 #define SH7750_MCR_RCD_DRAM_3 0x00010000 /* DRAM delay 3 clocks */
811 #define SH7750_MCR_RCD_DRAM_4 0x00020000 /* DRAM delay 4 clocks */
812 #define SH7750_MCR_RCD_DRAM_5 0x00030000 /* DRAM delay 5 clocks */
813 #define SH7750_MCR_RCD_SDRAM_2 0x00010000 /* DRAM delay 2 clocks */
814 #define SH7750_MCR_RCD_SDRAM_3 0x00020000 /* DRAM delay 3 clocks */
815 #define SH7750_MCR_RCD_SDRAM_4 0x00030000 /* DRAM delay 4 clocks */
816
817 #define SH7750_MCR_TRWL 0x0000E000 /* SDRAM Write Precharge Delay */
818 #define SH7750_MCR_TRWL_1 0x00000000 /* 1 */
819 #define SH7750_MCR_TRWL_2 0x00002000 /* 2 */
820 #define SH7750_MCR_TRWL_3 0x00004000 /* 3 */
821 #define SH7750_MCR_TRWL_4 0x00006000 /* 4 */
822 #define SH7750_MCR_TRWL_5 0x00008000 /* 5 */
823
824 #define SH7750_MCR_TRAS 0x00001C00 /* DRAM: CAS-Before-RAS Refresh RAS
825 asserting period
826 SDRAM: Command interval after
827 synchronous DRAM refresh */
828 #define SH7750_MCR_TRAS_DRAM_2 0x00000000 /* 2 */
829 #define SH7750_MCR_TRAS_DRAM_3 0x00000400 /* 3 */
830 #define SH7750_MCR_TRAS_DRAM_4 0x00000800 /* 4 */
831 #define SH7750_MCR_TRAS_DRAM_5 0x00000C00 /* 5 */
832 #define SH7750_MCR_TRAS_DRAM_6 0x00001000 /* 6 */
833 #define SH7750_MCR_TRAS_DRAM_7 0x00001400 /* 7 */
834 #define SH7750_MCR_TRAS_DRAM_8 0x00001800 /* 8 */
835 #define SH7750_MCR_TRAS_DRAM_9 0x00001C00 /* 9 */
836
837 #define SH7750_MCR_TRAS_SDRAM_TRC_4 0x00000000 /* 4 + TRC */
838 #define SH7750_MCR_TRAS_SDRAM_TRC_5 0x00000400 /* 5 + TRC */
839 #define SH7750_MCR_TRAS_SDRAM_TRC_6 0x00000800 /* 6 + TRC */
840 #define SH7750_MCR_TRAS_SDRAM_TRC_7 0x00000C00 /* 7 + TRC */
841 #define SH7750_MCR_TRAS_SDRAM_TRC_8 0x00001000 /* 8 + TRC */
842 #define SH7750_MCR_TRAS_SDRAM_TRC_9 0x00001400 /* 9 + TRC */
843 #define SH7750_MCR_TRAS_SDRAM_TRC_10 0x00001800 /* 10 + TRC */
844 #define SH7750_MCR_TRAS_SDRAM_TRC_11 0x00001C00 /* 11 + TRC */
845
846 #define SH7750_MCR_BE 0x00000200 /* Burst Enable */
847 #define SH7750_MCR_SZ 0x00000180 /* Memory Data Size */
848 #define SH7750_MCR_SZ_64 0x00000000 /* 64 bits */
849 #define SH7750_MCR_SZ_16 0x00000100 /* 16 bits */
850 #define SH7750_MCR_SZ_32 0x00000180 /* 32 bits */
851
852 #define SH7750_MCR_AMX 0x00000078 /* Address Multiplexing */
853 #define SH7750_MCR_AMX_S 3
854 #define SH7750_MCR_AMX_DRAM_8BIT_COL 0x00000000 /* 8-bit column addr */
855 #define SH7750_MCR_AMX_DRAM_9BIT_COL 0x00000008 /* 9-bit column addr */
856 #define SH7750_MCR_AMX_DRAM_10BIT_COL 0x00000010 /* 10-bit column addr */
857 #define SH7750_MCR_AMX_DRAM_11BIT_COL 0x00000018 /* 11-bit column addr */
858 #define SH7750_MCR_AMX_DRAM_12BIT_COL 0x00000020 /* 12-bit column addr */
859 /* See SH7750 Hardware Manual for SDRAM address multiplexor selection */
860
861 #define SH7750_MCR_RFSH 0x00000004 /* Refresh Control */
862 #define SH7750_MCR_RMODE 0x00000002 /* Refresh Mode: */
863 #define SH7750_MCR_RMODE_NORMAL 0x00000000 /* Normal Refresh Mode */
864 #define SH7750_MCR_RMODE_SELF 0x00000002 /* Self-Refresh Mode */
865 #define SH7750_MCR_RMODE_EDO 0x00000001 /* EDO Mode */
866
867 /* SDRAM Mode Set address */
868 #define SH7750_SDRAM_MODE_A2_BASE 0xFF900000
869 #define SH7750_SDRAM_MODE_A3_BASE 0xFF940000
870 #define SH7750_SDRAM_MODE_A2_32BIT(x) (SH7750_SDRAM_MODE_A2_BASE + ((x) << 2))
871 #define SH7750_SDRAM_MODE_A3_32BIT(x) (SH7750_SDRAM_MODE_A3_BASE + ((x) << 2))
872 #define SH7750_SDRAM_MODE_A2_64BIT(x) (SH7750_SDRAM_MODE_A2_BASE + ((x) << 3))
873 #define SH7750_SDRAM_MODE_A3_64BIT(x) (SH7750_SDRAM_MODE_A3_BASE + ((x) << 3))
874
875
876 /* PCMCIA Control Register (half) - PCR */
877 #define SH7750_PCR_REGOFS 0x800018 /* offset */
878 #define SH7750_PCR SH7750_P4_REG32(SH7750_PCR_REGOFS)
879 #define SH7750_PCR_A7 SH7750_A7_REG32(SH7750_PCR_REGOFS)
880
881 #define SH7750_PCR_A5PCW 0xC000 /* Area 5 PCMCIA Wait - Number of wait
882 states to be added to the number of
883 waits specified by WCR2 in a low-speed
884 PCMCIA wait cycle */
885 #define SH7750_PCR_A5PCW_0 0x0000 /* 0 waits inserted */
886 #define SH7750_PCR_A5PCW_15 0x4000 /* 15 waits inserted */
887 #define SH7750_PCR_A5PCW_30 0x8000 /* 30 waits inserted */
888 #define SH7750_PCR_A5PCW_50 0xC000 /* 50 waits inserted */
889
890 #define SH7750_PCR_A6PCW 0x3000 /* Area 6 PCMCIA Wait - Number of wait
891 states to be added to the number of
892 waits specified by WCR2 in a low-speed
893 PCMCIA wait cycle */
894 #define SH7750_PCR_A6PCW_0 0x0000 /* 0 waits inserted */
895 #define SH7750_PCR_A6PCW_15 0x1000 /* 15 waits inserted */
896 #define SH7750_PCR_A6PCW_30 0x2000 /* 30 waits inserted */
897 #define SH7750_PCR_A6PCW_50 0x3000 /* 50 waits inserted */
898
899 #define SH7750_PCR_A5TED 0x0E00 /* Area 5 Address-OE\/WE\ Assertion Delay,
900 delay time from address output to
901 OE\/WE\ assertion on the connected
902 PCMCIA interface */
903 #define SH7750_PCR_A5TED_S 9
904 #define SH7750_PCR_A6TED 0x01C0 /* Area 6 Address-OE\/WE\ Assertion Delay */
905 #define SH7750_PCR_A6TED_S 6
906
907 #define SH7750_PCR_TED_0WS 0 /* 0 Waits inserted */
908 #define SH7750_PCR_TED_1WS 1 /* 1 Waits inserted */
909 #define SH7750_PCR_TED_2WS 2 /* 2 Waits inserted */
910 #define SH7750_PCR_TED_3WS 3 /* 3 Waits inserted */
911 #define SH7750_PCR_TED_6WS 4 /* 6 Waits inserted */
912 #define SH7750_PCR_TED_9WS 5 /* 9 Waits inserted */
913 #define SH7750_PCR_TED_12WS 6 /* 12 Waits inserted */
914 #define SH7750_PCR_TED_15WS 7 /* 15 Waits inserted */
915
916 #define SH7750_PCR_A5TEH 0x0038 /* Area 5 OE\/WE\ Negation Address delay,
917 address hold delay time from OE\/WE\
918 negation in a write on the connected
919 PCMCIA interface */
920 #define SH7750_PCR_A5TEH_S 3
921
922 #define SH7750_PCR_A6TEH 0x0007 /* Area 6 OE\/WE\ Negation Address delay */
923 #define SH7750_PCR_A6TEH_S 0
924
925 #define SH7750_PCR_TEH_0WS 0 /* 0 Waits inserted */
926 #define SH7750_PCR_TEH_1WS 1 /* 1 Waits inserted */
927 #define SH7750_PCR_TEH_2WS 2 /* 2 Waits inserted */
928 #define SH7750_PCR_TEH_3WS 3 /* 3 Waits inserted */
929 #define SH7750_PCR_TEH_6WS 4 /* 6 Waits inserted */
930 #define SH7750_PCR_TEH_9WS 5 /* 9 Waits inserted */
931 #define SH7750_PCR_TEH_12WS 6 /* 12 Waits inserted */
932 #define SH7750_PCR_TEH_15WS 7 /* 15 Waits inserted */
933
934 /* Refresh Timer Control/Status Register (half) - RTSCR */
935 #define SH7750_RTCSR_REGOFS 0x80001C /* offset */
936 #define SH7750_RTCSR SH7750_P4_REG32(SH7750_RTCSR_REGOFS)
937 #define SH7750_RTCSR_A7 SH7750_A7_REG32(SH7750_RTCSR_REGOFS)
938
939 #define SH7750_RTCSR_KEY 0xA500 /* RTCSR write key */
940 #define SH7750_RTCSR_CMF 0x0080 /* Compare-Match Flag (indicates a
941 match between the refresh timer
942 counter and refresh time constant) */
943 #define SH7750_RTCSR_CMIE 0x0040 /* Compare-Match Interrupt Enable */
944 #define SH7750_RTCSR_CKS 0x0038 /* Refresh Counter Clock Selects */
945 #define SH7750_RTCSR_CKS_DIS 0x0000 /* Clock Input Disabled */
946 #define SH7750_RTCSR_CKS_CKIO_DIV4 0x0008 /* Bus Clock / 4 */
947 #define SH7750_RTCSR_CKS_CKIO_DIV16 0x0010 /* Bus Clock / 16 */
948 #define SH7750_RTCSR_CKS_CKIO_DIV64 0x0018 /* Bus Clock / 64 */
949 #define SH7750_RTCSR_CKS_CKIO_DIV256 0x0020 /* Bus Clock / 256 */
950 #define SH7750_RTCSR_CKS_CKIO_DIV1024 0x0028 /* Bus Clock / 1024 */
951 #define SH7750_RTCSR_CKS_CKIO_DIV2048 0x0030 /* Bus Clock / 2048 */
952 #define SH7750_RTCSR_CKS_CKIO_DIV4096 0x0038 /* Bus Clock / 4096 */
953
954 #define SH7750_RTCSR_OVF 0x0004 /* Refresh Count Overflow Flag */
955 #define SH7750_RTCSR_OVIE 0x0002 /* Refresh Count Overflow Interrupt
956 Enable */
957 #define SH7750_RTCSR_LMTS 0x0001 /* Refresh Count Overflow Limit Select */
958 #define SH7750_RTCSR_LMTS_1024 0x0000 /* Count Limit is 1024 */
959 #define SH7750_RTCSR_LMTS_512 0x0001 /* Count Limit is 512 */
960
961 /* Refresh Timer Counter (half) - RTCNT */
962 #define SH7750_RTCNT_REGOFS 0x800020 /* offset */
963 #define SH7750_RTCNT SH7750_P4_REG32(SH7750_RTCNT_REGOFS)
964 #define SH7750_RTCNT_A7 SH7750_A7_REG32(SH7750_RTCNT_REGOFS)
965
966 #define SH7750_RTCNT_KEY 0xA500 /* RTCNT write key */
967
968 /* Refresh Time Constant Register (half) - RTCOR */
969 #define SH7750_RTCOR_REGOFS 0x800024 /* offset */
970 #define SH7750_RTCOR SH7750_P4_REG32(SH7750_RTCOR_REGOFS)
971 #define SH7750_RTCOR_A7 SH7750_A7_REG32(SH7750_RTCOR_REGOFS)
972
973 #define SH7750_RTCOR_KEY 0xA500 /* RTCOR write key */
974
975 /* Refresh Count Register (half) - RFCR */
976 #define SH7750_RFCR_REGOFS 0x800028 /* offset */
977 #define SH7750_RFCR SH7750_P4_REG32(SH7750_RFCR_REGOFS)
978 #define SH7750_RFCR_A7 SH7750_A7_REG32(SH7750_RFCR_REGOFS)
979
980 #define SH7750_RFCR_KEY 0xA400 /* RFCR write key */
981
982 /* Synchronous DRAM mode registers - SDMR */
983 #define SH7750_SDMR2_REGOFS 0x900000 /* base offset */
984 #define SH7750_SDMR2_REGNB 0x0FFC /* nb of register */
985 #define SH7750_SDMR2 SH7750_P4_REG32(SH7750_SDMR2_REGOFS)
986 #define SH7750_SDMR2_A7 SH7750_A7_REG32(SH7750_SDMR2_REGOFS)
987
988 #define SH7750_SDMR3_REGOFS 0x940000 /* offset */
989 #define SH7750_SDMR3_REGNB 0x0FFC /* nb of register */
990 #define SH7750_SDMR3 SH7750_P4_REG32(SH7750_SDMR3_REGOFS)
991 #define SH7750_SDMR3_A7 SH7750_A7_REG32(SH7750_SDMR3_REGOFS)
992
993 /*
994 * Direct Memory Access Controller (DMAC)
995 */
996
997 /* DMA Source Address Register - SAR0, SAR1, SAR2, SAR3 */
998 #define SH7750_SAR_REGOFS(n) (0xA00000 + ((n)*16)) /* offset */
999 #define SH7750_SAR(n) SH7750_P4_REG32(SH7750_SAR_REGOFS(n))
1000 #define SH7750_SAR_A7(n) SH7750_A7_REG32(SH7750_SAR_REGOFS(n))
1001 #define SH7750_SAR0 SH7750_SAR(0)
1002 #define SH7750_SAR1 SH7750_SAR(1)
1003 #define SH7750_SAR2 SH7750_SAR(2)
1004 #define SH7750_SAR3 SH7750_SAR(3)
1005 #define SH7750_SAR0_A7 SH7750_SAR_A7(0)
1006 #define SH7750_SAR1_A7 SH7750_SAR_A7(1)
1007 #define SH7750_SAR2_A7 SH7750_SAR_A7(2)
1008 #define SH7750_SAR3_A7 SH7750_SAR_A7(3)
1009
1010 /* DMA Destination Address Register - DAR0, DAR1, DAR2, DAR3 */
1011 #define SH7750_DAR_REGOFS(n) (0xA00004 + ((n)*16)) /* offset */
1012 #define SH7750_DAR(n) SH7750_P4_REG32(SH7750_DAR_REGOFS(n))
1013 #define SH7750_DAR_A7(n) SH7750_A7_REG32(SH7750_DAR_REGOFS(n))
1014 #define SH7750_DAR0 SH7750_DAR(0)
1015 #define SH7750_DAR1 SH7750_DAR(1)
1016 #define SH7750_DAR2 SH7750_DAR(2)
1017 #define SH7750_DAR3 SH7750_DAR(3)
1018 #define SH7750_DAR0_A7 SH7750_DAR_A7(0)
1019 #define SH7750_DAR1_A7 SH7750_DAR_A7(1)
1020 #define SH7750_DAR2_A7 SH7750_DAR_A7(2)
1021 #define SH7750_DAR3_A7 SH7750_DAR_A7(3)
1022
1023 /* DMA Transfer Count Register - DMATCR0, DMATCR1, DMATCR2, DMATCR3 */
1024 #define SH7750_DMATCR_REGOFS(n) (0xA00008 + ((n)*16)) /* offset */
1025 #define SH7750_DMATCR(n) SH7750_P4_REG32(SH7750_DMATCR_REGOFS(n))
1026 #define SH7750_DMATCR_A7(n) SH7750_A7_REG32(SH7750_DMATCR_REGOFS(n))
1027 #define SH7750_DMATCR0_P4 SH7750_DMATCR(0)
1028 #define SH7750_DMATCR1_P4 SH7750_DMATCR(1)
1029 #define SH7750_DMATCR2_P4 SH7750_DMATCR(2)
1030 #define SH7750_DMATCR3_P4 SH7750_DMATCR(3)
1031 #define SH7750_DMATCR0_A7 SH7750_DMATCR_A7(0)
1032 #define SH7750_DMATCR1_A7 SH7750_DMATCR_A7(1)
1033 #define SH7750_DMATCR2_A7 SH7750_DMATCR_A7(2)
1034 #define SH7750_DMATCR3_A7 SH7750_DMATCR_A7(3)
1035
1036 /* DMA Channel Control Register - CHCR0, CHCR1, CHCR2, CHCR3 */
1037 #define SH7750_CHCR_REGOFS(n) (0xA0000C + ((n)*16)) /* offset */
1038 #define SH7750_CHCR(n) SH7750_P4_REG32(SH7750_CHCR_REGOFS(n))
1039 #define SH7750_CHCR_A7(n) SH7750_A7_REG32(SH7750_CHCR_REGOFS(n))
1040 #define SH7750_CHCR0 SH7750_CHCR(0)
1041 #define SH7750_CHCR1 SH7750_CHCR(1)
1042 #define SH7750_CHCR2 SH7750_CHCR(2)
1043 #define SH7750_CHCR3 SH7750_CHCR(3)
1044 #define SH7750_CHCR0_A7 SH7750_CHCR_A7(0)
1045 #define SH7750_CHCR1_A7 SH7750_CHCR_A7(1)
1046 #define SH7750_CHCR2_A7 SH7750_CHCR_A7(2)
1047 #define SH7750_CHCR3_A7 SH7750_CHCR_A7(3)
1048
1049 #define SH7750_CHCR_SSA 0xE0000000 /* Source Address Space Attribute */
1050 #define SH7750_CHCR_SSA_PCMCIA 0x00000000 /* Reserved in PCMCIA access */
1051 #define SH7750_CHCR_SSA_DYNBSZ 0x20000000 /* Dynamic Bus Sizing I/O space */
1052 #define SH7750_CHCR_SSA_IO8 0x40000000 /* 8-bit I/O space */
1053 #define SH7750_CHCR_SSA_IO16 0x60000000 /* 16-bit I/O space */
1054 #define SH7750_CHCR_SSA_CMEM8 0x80000000 /* 8-bit common memory space */
1055 #define SH7750_CHCR_SSA_CMEM16 0xA0000000 /* 16-bit common memory space */
1056 #define SH7750_CHCR_SSA_AMEM8 0xC0000000 /* 8-bit attribute memory space */
1057 #define SH7750_CHCR_SSA_AMEM16 0xE0000000 /* 16-bit attribute memory space */
1058
1059 #define SH7750_CHCR_STC 0x10000000 /* Source Address Wait Control Select,
1060 specifies CS5 or CS6 space wait
1061 control for PCMCIA access */
1062
1063 #define SH7750_CHCR_DSA 0x0E000000 /* Source Address Space Attribute */
1064 #define SH7750_CHCR_DSA_PCMCIA 0x00000000 /* Reserved in PCMCIA access */
1065 #define SH7750_CHCR_DSA_DYNBSZ 0x02000000 /* Dynamic Bus Sizing I/O space */
1066 #define SH7750_CHCR_DSA_IO8 0x04000000 /* 8-bit I/O space */
1067 #define SH7750_CHCR_DSA_IO16 0x06000000 /* 16-bit I/O space */
1068 #define SH7750_CHCR_DSA_CMEM8 0x08000000 /* 8-bit common memory space */
1069 #define SH7750_CHCR_DSA_CMEM16 0x0A000000 /* 16-bit common memory space */
1070 #define SH7750_CHCR_DSA_AMEM8 0x0C000000 /* 8-bit attribute memory space */
1071 #define SH7750_CHCR_DSA_AMEM16 0x0E000000 /* 16-bit attribute memory space */
1072
1073 #define SH7750_CHCR_DTC 0x01000000 /* Destination Address Wait Control
1074 Select, specifies CS5 or CS6
1075 space wait control for PCMCIA
1076 access */
1077
1078 #define SH7750_CHCR_DS 0x00080000 /* DREQ\ Select : */
1079 #define SH7750_CHCR_DS_LOWLVL 0x00000000 /* Low Level Detection */
1080 #define SH7750_CHCR_DS_FALL 0x00080000 /* Falling Edge Detection */
1081
1082 #define SH7750_CHCR_RL 0x00040000 /* Request Check Level: */
1083 #define SH7750_CHCR_RL_ACTH 0x00000000 /* DRAK is an active high out */
1084 #define SH7750_CHCR_RL_ACTL 0x00040000 /* DRAK is an active low out */
1085
1086 #define SH7750_CHCR_AM 0x00020000 /* Acknowledge Mode: */
1087 #define SH7750_CHCR_AM_RD 0x00000000 /* DACK is output in read cycle */
1088 #define SH7750_CHCR_AM_WR 0x00020000 /* DACK is output in write cycle */
1089
1090 #define SH7750_CHCR_AL 0x00010000 /* Acknowledge Level: */
1091 #define SH7750_CHCR_AL_ACTH 0x00000000 /* DACK is an active high out */
1092 #define SH7750_CHCR_AL_ACTL 0x00010000 /* DACK is an active low out */
1093
1094 #define SH7750_CHCR_DM 0x0000C000 /* Destination Address Mode: */
1095 #define SH7750_CHCR_DM_FIX 0x00000000 /* Destination Addr Fixed */
1096 #define SH7750_CHCR_DM_INC 0x00004000 /* Destination Addr Incremented */
1097 #define SH7750_CHCR_DM_DEC 0x00008000 /* Destination Addr Decremented */
1098
1099 #define SH7750_CHCR_SM 0x00003000 /* Source Address Mode: */
1100 #define SH7750_CHCR_SM_FIX 0x00000000 /* Source Addr Fixed */
1101 #define SH7750_CHCR_SM_INC 0x00001000 /* Source Addr Incremented */
1102 #define SH7750_CHCR_SM_DEC 0x00002000 /* Source Addr Decremented */
1103
1104 #define SH7750_CHCR_RS 0x00000F00 /* Request Source Select: */
1105 #define SH7750_CHCR_RS_ER_DA_EA_TO_EA 0x000 /* External Request, Dual Address
1106 Mode (External Addr Space->
1107 External Addr Space) */
1108 #define SH7750_CHCR_RS_ER_SA_EA_TO_ED 0x200 /* External Request, Single
1109 Address Mode (External Addr
1110 Space -> External Device) */
1111 #define SH7750_CHCR_RS_ER_SA_ED_TO_EA 0x300 /* External Request, Single
1112 Address Mode, (External
1113 Device -> External Addr
1114 Space) */
1115 #define SH7750_CHCR_RS_AR_EA_TO_EA 0x400 /* Auto-Request (External Addr
1116 Space -> External Addr Space) */
1117
1118 #define SH7750_CHCR_RS_AR_EA_TO_OCP 0x500 /* Auto-Request (External Addr
1119 Space -> On-chip Peripheral
1120 Module) */
1121 #define SH7750_CHCR_RS_AR_OCP_TO_EA 0x600 /* Auto-Request (On-chip
1122 Peripheral Module ->
1123 External Addr Space */
1124 #define SH7750_CHCR_RS_SCITX_EA_TO_SC 0x800 /* SCI Transmit-Data-Empty intr
1125 transfer request (external
1126 address space -> SCTDR1) */
1127 #define SH7750_CHCR_RS_SCIRX_SC_TO_EA 0x900 /* SCI Receive-Data-Full intr
1128 transfer request (SCRDR1 ->
1129 External Addr Space) */
1130 #define SH7750_CHCR_RS_SCIFTX_EA_TO_SC 0xA00 /* SCIF Transmit-Data-Empty intr
1131 transfer request (external
1132 address space -> SCFTDR1) */
1133 #define SH7750_CHCR_RS_SCIFRX_SC_TO_EA 0xB00 /* SCIF Receive-Data-Full intr
1134 transfer request (SCFRDR2 ->
1135 External Addr Space) */
1136 #define SH7750_CHCR_RS_TMU2_EA_TO_EA 0xC00 /* TMU Channel 2 (input capture
1137 interrupt), (external address
1138 space -> external address
1139 space) */
1140 #define SH7750_CHCR_RS_TMU2_EA_TO_OCP 0xD00 /* TMU Channel 2 (input capture
1141 interrupt), (external address
1142 space -> on-chip peripheral
1143 module) */
1144 #define SH7750_CHCR_RS_TMU2_OCP_TO_EA 0xE00 /* TMU Channel 2 (input capture
1145 interrupt), (on-chip
1146 peripheral module -> external
1147 address space) */
1148
1149 #define SH7750_CHCR_TM 0x00000080 /* Transmit mode: */
1150 #define SH7750_CHCR_TM_CSTEAL 0x00000000 /* Cycle Steal Mode */
1151 #define SH7750_CHCR_TM_BURST 0x00000080 /* Burst Mode */
1152
1153 #define SH7750_CHCR_TS 0x00000070 /* Transmit Size: */
1154 #define SH7750_CHCR_TS_QUAD 0x00000000 /* Quadword Size (64 bits) */
1155 #define SH7750_CHCR_TS_BYTE 0x00000010 /* Byte Size (8 bit) */
1156 #define SH7750_CHCR_TS_WORD 0x00000020 /* Word Size (16 bit) */
1157 #define SH7750_CHCR_TS_LONG 0x00000030 /* Longword Size (32 bit) */
1158 #define SH7750_CHCR_TS_BLOCK 0x00000040 /* 32-byte block transfer */
1159
1160 #define SH7750_CHCR_IE 0x00000004 /* Interrupt Enable */
1161 #define SH7750_CHCR_TE 0x00000002 /* Transfer End */
1162 #define SH7750_CHCR_DE 0x00000001 /* DMAC Enable */
1163
1164 /* DMA Operation Register - DMAOR */
1165 #define SH7750_DMAOR_REGOFS 0xA00040 /* offset */
1166 #define SH7750_DMAOR SH7750_P4_REG32(SH7750_DMAOR_REGOFS)
1167 #define SH7750_DMAOR_A7 SH7750_A7_REG32(SH7750_DMAOR_REGOFS)
1168
1169 #define SH7750_DMAOR_DDT 0x00008000 /* On-Demand Data Transfer Mode */
1170
1171 #define SH7750_DMAOR_PR 0x00000300 /* Priority Mode: */
1172 #define SH7750_DMAOR_PR_0123 0x00000000 /* CH0 > CH1 > CH2 > CH3 */
1173 #define SH7750_DMAOR_PR_0231 0x00000100 /* CH0 > CH2 > CH3 > CH1 */
1174 #define SH7750_DMAOR_PR_2013 0x00000200 /* CH2 > CH0 > CH1 > CH3 */
1175 #define SH7750_DMAOR_PR_RR 0x00000300 /* Round-robin mode */
1176
1177 #define SH7750_DMAOR_COD 0x00000010 /* Check Overrun for DREQ\ */
1178 #define SH7750_DMAOR_AE 0x00000004 /* Address Error flag */
1179 #define SH7750_DMAOR_NMIF 0x00000002 /* NMI Flag */
1180 #define SH7750_DMAOR_DME 0x00000001 /* DMAC Master Enable */
1181
1182 /*
1183 * I/O Ports
1184 */
1185 /* Port Control Register A - PCTRA */
1186 #define SH7750_PCTRA_REGOFS 0x80002C /* offset */
1187 #define SH7750_PCTRA SH7750_P4_REG32(SH7750_PCTRA_REGOFS)
1188 #define SH7750_PCTRA_A7 SH7750_A7_REG32(SH7750_PCTRA_REGOFS)
1189
1190 #define SH7750_PCTRA_PBPUP(n) 0 /* Bit n is pulled up */
1191 #define SH7750_PCTRA_PBNPUP(n) (1 << ((n)*2+1)) /* Bit n is not pulled up */
1192 #define SH7750_PCTRA_PBINP(n) 0 /* Bit n is an input */
1193 #define SH7750_PCTRA_PBOUT(n) (1 << ((n)*2)) /* Bit n is an output */
1194
1195 /* Port Data Register A - PDTRA(half) */
1196 #define SH7750_PDTRA_REGOFS 0x800030 /* offset */
1197 #define SH7750_PDTRA SH7750_P4_REG32(SH7750_PDTRA_REGOFS)
1198 #define SH7750_PDTRA_A7 SH7750_A7_REG32(SH7750_PDTRA_REGOFS)
1199
1200 #define SH7750_PDTRA_BIT(n) (1 << (n))
1201
1202 /* Port Control Register B - PCTRB */
1203 #define SH7750_PCTRB_REGOFS 0x800040 /* offset */
1204 #define SH7750_PCTRB SH7750_P4_REG32(SH7750_PCTRB_REGOFS)
1205 #define SH7750_PCTRB_A7 SH7750_A7_REG32(SH7750_PCTRB_REGOFS)
1206
1207 #define SH7750_PCTRB_PBPUP(n) 0 /* Bit n is pulled up */
1208 #define SH7750_PCTRB_PBNPUP(n) (1 << ((n-16)*2+1)) /* Bit n is not pulled up */
1209 #define SH7750_PCTRB_PBINP(n) 0 /* Bit n is an input */
1210 #define SH7750_PCTRB_PBOUT(n) (1 << ((n-16)*2)) /* Bit n is an output */
1211
1212 /* Port Data Register B - PDTRB(half) */
1213 #define SH7750_PDTRB_REGOFS 0x800044 /* offset */
1214 #define SH7750_PDTRB SH7750_P4_REG32(SH7750_PDTRB_REGOFS)
1215 #define SH7750_PDTRB_A7 SH7750_A7_REG32(SH7750_PDTRB_REGOFS)
1216
1217 #define SH7750_PDTRB_BIT(n) (1 << ((n)-16))
1218
1219 /* GPIO Interrupt Control Register - GPIOIC(half) */
1220 #define SH7750_GPIOIC_REGOFS 0x800048 /* offset */
1221 #define SH7750_GPIOIC SH7750_P4_REG32(SH7750_GPIOIC_REGOFS)
1222 #define SH7750_GPIOIC_A7 SH7750_A7_REG32(SH7750_GPIOIC_REGOFS)
1223
1224 #define SH7750_GPIOIC_PTIREN(n) (1 << (n)) /* Port n is used as a GPIO int */
1225
1226 /*
1227 * Interrupt Controller - INTC
1228 */
1229 /* Interrupt Control Register - ICR (half) */
1230 #define SH7750_ICR_REGOFS 0xD00000 /* offset */
1231 #define SH7750_ICR SH7750_P4_REG32(SH7750_ICR_REGOFS)
1232 #define SH7750_ICR_A7 SH7750_A7_REG32(SH7750_ICR_REGOFS)
1233
1234 #define SH7750_ICR_NMIL 0x8000 /* NMI Input Level */
1235 #define SH7750_ICR_MAI 0x4000 /* NMI Interrupt Mask */
1236
1237 #define SH7750_ICR_NMIB 0x0200 /* NMI Block Mode: */
1238 #define SH7750_ICR_NMIB_BLK 0x0000 /* NMI requests held pending while
1239 SR.BL bit is set to 1 */
1240 #define SH7750_ICR_NMIB_NBLK 0x0200 /* NMI requests detected when SR.BL bit
1241 set to 1 */
1242
1243 #define SH7750_ICR_NMIE 0x0100 /* NMI Edge Select: */
1244 #define SH7750_ICR_NMIE_FALL 0x0000 /* Interrupt request detected on falling
1245 edge of NMI input */
1246 #define SH7750_ICR_NMIE_RISE 0x0100 /* Interrupt request detected on rising
1247 edge of NMI input */
1248
1249 #define SH7750_ICR_IRLM 0x0080 /* IRL Pin Mode: */
1250 #define SH7750_ICR_IRLM_ENC 0x0000 /* IRL\ pins used as a level-encoded
1251 interrupt requests */
1252 #define SH7750_ICR_IRLM_RAW 0x0080 /* IRL\ pins used as a four independent
1253 interrupt requests */
1254
1255 /*
1256 * User Break Controller registers
1257 */
1258 #define SH7750_BARA 0x200000 /* Break address regiser A */
1259 #define SH7750_BAMRA 0x200004 /* Break address mask regiser A */
1260 #define SH7750_BBRA 0x200008 /* Break bus cycle regiser A */
1261 #define SH7750_BARB 0x20000c /* Break address regiser B */
1262 #define SH7750_BAMRB 0x200010 /* Break address mask regiser B */
1263 #define SH7750_BBRB 0x200014 /* Break bus cycle regiser B */
1264 #define SH7750_BASRB 0x000018 /* Break ASID regiser B */
1265 #define SH7750_BDRB 0x200018 /* Break data regiser B */
1266 #define SH7750_BDMRB 0x20001c /* Break data mask regiser B */
1267 #define SH7750_BRCR 0x200020 /* Break control register */
1268
1269 #define SH7750_BRCR_UDBE 0x0001 /* User break debug enable bit */
1270
1271 /*
1272 * Missing in RTEMS, added for QEMU
1273 */
1274 #define SH7750_BCR3_A7 0x1f800050
1275 #define SH7750_BCR4_A7 0x1e0a00f0
1276
1277 #endif
Samsung s3c2440 and arm920t support for the mini2440 dev board