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 /* Accessible only in
27 privileged mode */
28#define SH7750_A7_BASE 0x1f000000 /* Accessible 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 instruction - 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
1278