1/* SPDX-License-Identifier: GPL-2.0 */
2
3/* include/asm-m68knommu/MC68EZ328.h: 'EZ328 control registers
4 *
5 * Copyright (C) 1999  Vladimir Gurevich <vgurevic@cisco.com>
6 *                     Bear & Hare Software, Inc.
7 *
8 * Based on include/asm-m68knommu/MC68332.h
9 * Copyright (C) 1998  Kenneth Albanowski <kjahds@kjahds.com>,
10 *                     The Silver Hammer Group, Ltd.
11 *
12 */
13#include <linux/compiler.h>
14
15#ifndef _MC68EZ328_H_
16#define _MC68EZ328_H_
17
18#define BYTE_REF(addr) (*((volatile unsigned char*)addr))
19#define WORD_REF(addr) (*((volatile unsigned short*)addr))
20#define LONG_REF(addr) (*((volatile unsigned long*)addr))
21
22#define PUT_FIELD(field, val) (((val) << field##_SHIFT) & field##_MASK)
23#define GET_FIELD(reg, field) (((reg) & field##_MASK) >> field##_SHIFT)
24
25/**********
26 *
27 * 0xFFFFF0xx -- System Control
28 *
29 **********/
30
31/*
32 * System Control Register (SCR)
33 */
34#define SCR_ADDR	0xfffff000
35#define SCR		BYTE_REF(SCR_ADDR)
36
37#define SCR_WDTH8	0x01	/* 8-Bit Width Select */
38#define SCR_DMAP	0x04	/* Double Map */
39#define SCR_SO		0x08	/* Supervisor Only */
40#define SCR_BETEN	0x10	/* Bus-Error Time-Out Enable */
41#define SCR_PRV		0x20	/* Privilege Violation */
42#define SCR_WPV		0x40	/* Write Protect Violation */
43#define SCR_BETO	0x80	/* Bus-Error TimeOut */
44
45/*
46 * Silicon ID Register (Mask Revision Register (MRR) for '328 Compatibility)
47 */
48#define MRR_ADDR 0xfffff004
49#define MRR	 LONG_REF(MRR_ADDR)
50
51/**********
52 *
53 * 0xFFFFF1xx -- Chip-Select logic
54 *
55 **********/
56
57/*
58 * Chip Select Group Base Registers
59 */
60#define CSGBA_ADDR	0xfffff100
61#define CSGBB_ADDR	0xfffff102
62
63#define CSGBC_ADDR	0xfffff104
64#define CSGBD_ADDR	0xfffff106
65
66#define CSGBA		WORD_REF(CSGBA_ADDR)
67#define CSGBB		WORD_REF(CSGBB_ADDR)
68#define CSGBC		WORD_REF(CSGBC_ADDR)
69#define CSGBD		WORD_REF(CSGBD_ADDR)
70
71/*
72 * Chip Select Registers
73 */
74#define CSA_ADDR	0xfffff110
75#define CSB_ADDR	0xfffff112
76#define CSC_ADDR	0xfffff114
77#define CSD_ADDR	0xfffff116
78
79#define CSA		WORD_REF(CSA_ADDR)
80#define CSB		WORD_REF(CSB_ADDR)
81#define CSC		WORD_REF(CSC_ADDR)
82#define CSD		WORD_REF(CSD_ADDR)
83
84#define CSA_EN		0x0001		/* Chip-Select Enable */
85#define CSA_SIZ_MASK	0x000e		/* Chip-Select Size */
86#define CSA_SIZ_SHIFT   1
87#define CSA_WS_MASK	0x0070		/* Wait State */
88#define CSA_WS_SHIFT    4
89#define CSA_BSW		0x0080		/* Data Bus Width */
90#define CSA_FLASH	0x0100		/* FLASH Memory Support */
91#define CSA_RO		0x8000		/* Read-Only */
92
93#define CSB_EN		0x0001		/* Chip-Select Enable */
94#define CSB_SIZ_MASK	0x000e		/* Chip-Select Size */
95#define CSB_SIZ_SHIFT   1
96#define CSB_WS_MASK	0x0070		/* Wait State */
97#define CSB_WS_SHIFT    4
98#define CSB_BSW		0x0080		/* Data Bus Width */
99#define CSB_FLASH	0x0100		/* FLASH Memory Support */
100#define CSB_UPSIZ_MASK	0x1800		/* Unprotected memory block size */
101#define CSB_UPSIZ_SHIFT 11
102#define CSB_ROP		0x2000		/* Readonly if protected */
103#define CSB_SOP		0x4000		/* Supervisor only if protected */
104#define CSB_RO		0x8000		/* Read-Only */
105
106#define CSC_EN		0x0001		/* Chip-Select Enable */
107#define CSC_SIZ_MASK	0x000e		/* Chip-Select Size */
108#define CSC_SIZ_SHIFT   1
109#define CSC_WS_MASK	0x0070		/* Wait State */
110#define CSC_WS_SHIFT    4
111#define CSC_BSW		0x0080		/* Data Bus Width */
112#define CSC_FLASH	0x0100		/* FLASH Memory Support */
113#define CSC_UPSIZ_MASK	0x1800		/* Unprotected memory block size */
114#define CSC_UPSIZ_SHIFT 11
115#define CSC_ROP		0x2000		/* Readonly if protected */
116#define CSC_SOP		0x4000		/* Supervisor only if protected */
117#define CSC_RO		0x8000		/* Read-Only */
118
119#define CSD_EN		0x0001		/* Chip-Select Enable */
120#define CSD_SIZ_MASK	0x000e		/* Chip-Select Size */
121#define CSD_SIZ_SHIFT   1
122#define CSD_WS_MASK	0x0070		/* Wait State */
123#define CSD_WS_SHIFT    4
124#define CSD_BSW		0x0080		/* Data Bus Width */
125#define CSD_FLASH	0x0100		/* FLASH Memory Support */
126#define CSD_DRAM	0x0200		/* Dram Selection */
127#define	CSD_COMB	0x0400		/* Combining */
128#define CSD_UPSIZ_MASK	0x1800		/* Unprotected memory block size */
129#define CSD_UPSIZ_SHIFT 11
130#define CSD_ROP		0x2000		/* Readonly if protected */
131#define CSD_SOP		0x4000		/* Supervisor only if protected */
132#define CSD_RO		0x8000		/* Read-Only */
133
134/*
135 * Emulation Chip-Select Register
136 */
137#define EMUCS_ADDR	0xfffff118
138#define EMUCS		WORD_REF(EMUCS_ADDR)
139
140#define EMUCS_WS_MASK	0x0070
141#define EMUCS_WS_SHIFT	4
142
143/**********
144 *
145 * 0xFFFFF2xx -- Phase Locked Loop (PLL) & Power Control
146 *
147 **********/
148
149/*
150 * PLL Control Register
151 */
152#define PLLCR_ADDR	0xfffff200
153#define PLLCR		WORD_REF(PLLCR_ADDR)
154
155#define PLLCR_DISPLL	       0x0008	/* Disable PLL */
156#define PLLCR_CLKEN	       0x0010	/* Clock (CLKO pin) enable */
157#define PLLCR_PRESC	       0x0020	/* VCO prescaler */
158#define PLLCR_SYSCLK_SEL_MASK  0x0700	/* System Clock Selection */
159#define PLLCR_SYSCLK_SEL_SHIFT 8
160#define PLLCR_LCDCLK_SEL_MASK  0x3800	/* LCD Clock Selection */
161#define PLLCR_LCDCLK_SEL_SHIFT 11
162
163/* '328-compatible definitions */
164#define PLLCR_PIXCLK_SEL_MASK	PLLCR_LCDCLK_SEL_MASK
165#define PLLCR_PIXCLK_SEL_SHIFT	PLLCR_LCDCLK_SEL_SHIFT
166
167/*
168 * PLL Frequency Select Register
169 */
170#define PLLFSR_ADDR	0xfffff202
171#define PLLFSR		WORD_REF(PLLFSR_ADDR)
172
173#define PLLFSR_PC_MASK	0x00ff		/* P Count */
174#define PLLFSR_PC_SHIFT 0
175#define PLLFSR_QC_MASK	0x0f00		/* Q Count */
176#define PLLFSR_QC_SHIFT 8
177#define PLLFSR_PROT	0x4000		/* Protect P & Q */
178#define PLLFSR_CLK32	0x8000		/* Clock 32 (kHz) */
179
180/*
181 * Power Control Register
182 */
183#define PCTRL_ADDR	0xfffff207
184#define PCTRL		BYTE_REF(PCTRL_ADDR)
185
186#define PCTRL_WIDTH_MASK	0x1f	/* CPU Clock bursts width */
187#define PCTRL_WIDTH_SHIFT	0
188#define PCTRL_PCEN		0x80	/* Power Control Enable */
189
190/**********
191 *
192 * 0xFFFFF3xx -- Interrupt Controller
193 *
194 **********/
195
196/*
197 * Interrupt Vector Register
198 */
199#define IVR_ADDR	0xfffff300
200#define IVR		BYTE_REF(IVR_ADDR)
201
202#define IVR_VECTOR_MASK 0xF8
203
204/*
205 * Interrupt control Register
206 */
207#define ICR_ADDR	0xfffff302
208#define ICR		WORD_REF(ICR_ADDR)
209
210#define ICR_POL5	0x0080	/* Polarity Control for IRQ5 */
211#define ICR_ET6		0x0100	/* Edge Trigger Select for IRQ6 */
212#define ICR_ET3		0x0200	/* Edge Trigger Select for IRQ3 */
213#define ICR_ET2		0x0400	/* Edge Trigger Select for IRQ2 */
214#define ICR_ET1		0x0800	/* Edge Trigger Select for IRQ1 */
215#define ICR_POL6	0x1000	/* Polarity Control for IRQ6 */
216#define ICR_POL3	0x2000	/* Polarity Control for IRQ3 */
217#define ICR_POL2	0x4000	/* Polarity Control for IRQ2 */
218#define ICR_POL1	0x8000	/* Polarity Control for IRQ1 */
219
220/*
221 * Interrupt Mask Register
222 */
223#define IMR_ADDR	0xfffff304
224#define IMR		LONG_REF(IMR_ADDR)
225
226/*
227 * Define the names for bit positions first. This is useful for
228 * request_irq
229 */
230#define SPI_IRQ_NUM	0	/* SPI interrupt */
231#define TMR_IRQ_NUM	1	/* Timer interrupt */
232#define UART_IRQ_NUM	2	/* UART interrupt */
233#define	WDT_IRQ_NUM	3	/* Watchdog Timer interrupt */
234#define RTC_IRQ_NUM	4	/* RTC interrupt */
235#define	KB_IRQ_NUM	6	/* Keyboard Interrupt */
236#define PWM_IRQ_NUM	7	/* Pulse-Width Modulator int. */
237#define	INT0_IRQ_NUM	8	/* External INT0 */
238#define	INT1_IRQ_NUM	9	/* External INT1 */
239#define	INT2_IRQ_NUM	10	/* External INT2 */
240#define	INT3_IRQ_NUM	11	/* External INT3 */
241#define IRQ1_IRQ_NUM	16	/* IRQ1 */
242#define IRQ2_IRQ_NUM	17	/* IRQ2 */
243#define IRQ3_IRQ_NUM	18	/* IRQ3 */
244#define IRQ6_IRQ_NUM	19	/* IRQ6 */
245#define IRQ5_IRQ_NUM	20	/* IRQ5 */
246#define SAM_IRQ_NUM	22	/* Sampling Timer for RTC */
247#define EMIQ_IRQ_NUM	23	/* Emulator Interrupt */
248
249/* '328-compatible definitions */
250#define SPIM_IRQ_NUM	SPI_IRQ_NUM
251#define TMR1_IRQ_NUM	TMR_IRQ_NUM
252
253/*
254 * Here go the bitmasks themselves
255 */
256#define IMR_MSPI 	(1 << SPI_IRQ_NUM)	/* Mask SPI interrupt */
257#define	IMR_MTMR	(1 << TMR_IRQ_NUM)	/* Mask Timer interrupt */
258#define IMR_MUART	(1 << UART_IRQ_NUM)	/* Mask UART interrupt */
259#define	IMR_MWDT	(1 << WDT_IRQ_NUM)	/* Mask Watchdog Timer interrupt */
260#define IMR_MRTC	(1 << RTC_IRQ_NUM)	/* Mask RTC interrupt */
261#define	IMR_MKB		(1 << KB_IRQ_NUM)	/* Mask Keyboard Interrupt */
262#define IMR_MPWM	(1 << PWM_IRQ_NUM)	/* Mask Pulse-Width Modulator int. */
263#define	IMR_MINT0	(1 << INT0_IRQ_NUM)	/* Mask External INT0 */
264#define	IMR_MINT1	(1 << INT1_IRQ_NUM)	/* Mask External INT1 */
265#define	IMR_MINT2	(1 << INT2_IRQ_NUM)	/* Mask External INT2 */
266#define	IMR_MINT3	(1 << INT3_IRQ_NUM)	/* Mask External INT3 */
267#define IMR_MIRQ1	(1 << IRQ1_IRQ_NUM)	/* Mask IRQ1 */
268#define IMR_MIRQ2	(1 << IRQ2_IRQ_NUM)	/* Mask IRQ2 */
269#define IMR_MIRQ3	(1 << IRQ3_IRQ_NUM)	/* Mask IRQ3 */
270#define IMR_MIRQ6	(1 << IRQ6_IRQ_NUM)	/* Mask IRQ6 */
271#define IMR_MIRQ5	(1 << IRQ5_IRQ_NUM)	/* Mask IRQ5 */
272#define IMR_MSAM	(1 << SAM_IRQ_NUM)	/* Mask Sampling Timer for RTC */
273#define IMR_MEMIQ	(1 << EMIQ_IRQ_NUM)	/* Mask Emulator Interrupt */
274
275/* '328-compatible definitions */
276#define IMR_MSPIM	IMR_MSPI
277#define IMR_MTMR1	IMR_MTMR
278
279/*
280 * Interrupt Status Register
281 */
282#define ISR_ADDR	0xfffff30c
283#define ISR		LONG_REF(ISR_ADDR)
284
285#define ISR_SPI 	(1 << SPI_IRQ_NUM)	/* SPI interrupt */
286#define	ISR_TMR		(1 << TMR_IRQ_NUM)	/* Timer interrupt */
287#define ISR_UART	(1 << UART_IRQ_NUM)	/* UART interrupt */
288#define	ISR_WDT		(1 << WDT_IRQ_NUM)	/* Watchdog Timer interrupt */
289#define ISR_RTC		(1 << RTC_IRQ_NUM)	/* RTC interrupt */
290#define	ISR_KB		(1 << KB_IRQ_NUM)	/* Keyboard Interrupt */
291#define ISR_PWM		(1 << PWM_IRQ_NUM)	/* Pulse-Width Modulator interrupt */
292#define	ISR_INT0	(1 << INT0_IRQ_NUM)	/* External INT0 */
293#define	ISR_INT1	(1 << INT1_IRQ_NUM)	/* External INT1 */
294#define	ISR_INT2	(1 << INT2_IRQ_NUM)	/* External INT2 */
295#define	ISR_INT3	(1 << INT3_IRQ_NUM)	/* External INT3 */
296#define ISR_IRQ1	(1 << IRQ1_IRQ_NUM)	/* IRQ1 */
297#define ISR_IRQ2	(1 << IRQ2_IRQ_NUM)	/* IRQ2 */
298#define ISR_IRQ3	(1 << IRQ3_IRQ_NUM)	/* IRQ3 */
299#define ISR_IRQ6	(1 << IRQ6_IRQ_NUM)	/* IRQ6 */
300#define ISR_IRQ5	(1 << IRQ5_IRQ_NUM)	/* IRQ5 */
301#define ISR_SAM		(1 << SAM_IRQ_NUM)	/* Sampling Timer for RTC */
302#define ISR_EMIQ	(1 << EMIQ_IRQ_NUM)	/* Emulator Interrupt */
303
304/* '328-compatible definitions */
305#define ISR_SPIM	ISR_SPI
306#define ISR_TMR1	ISR_TMR
307
308/*
309 * Interrupt Pending Register
310 */
311#define IPR_ADDR	0xfffff30c
312#define IPR		LONG_REF(IPR_ADDR)
313
314#define IPR_SPI 	(1 << SPI_IRQ_NUM)	/* SPI interrupt */
315#define	IPR_TMR		(1 << TMR_IRQ_NUM)	/* Timer interrupt */
316#define IPR_UART	(1 << UART_IRQ_NUM)	/* UART interrupt */
317#define	IPR_WDT		(1 << WDT_IRQ_NUM)	/* Watchdog Timer interrupt */
318#define IPR_RTC		(1 << RTC_IRQ_NUM)	/* RTC interrupt */
319#define	IPR_KB		(1 << KB_IRQ_NUM)	/* Keyboard Interrupt */
320#define IPR_PWM		(1 << PWM_IRQ_NUM)	/* Pulse-Width Modulator interrupt */
321#define	IPR_INT0	(1 << INT0_IRQ_NUM)	/* External INT0 */
322#define	IPR_INT1	(1 << INT1_IRQ_NUM)	/* External INT1 */
323#define	IPR_INT2	(1 << INT2_IRQ_NUM)	/* External INT2 */
324#define	IPR_INT3	(1 << INT3_IRQ_NUM)	/* External INT3 */
325#define IPR_IRQ1	(1 << IRQ1_IRQ_NUM)	/* IRQ1 */
326#define IPR_IRQ2	(1 << IRQ2_IRQ_NUM)	/* IRQ2 */
327#define IPR_IRQ3	(1 << IRQ3_IRQ_NUM)	/* IRQ3 */
328#define IPR_IRQ6	(1 << IRQ6_IRQ_NUM)	/* IRQ6 */
329#define IPR_IRQ5	(1 << IRQ5_IRQ_NUM)	/* IRQ5 */
330#define IPR_SAM		(1 << SAM_IRQ_NUM)	/* Sampling Timer for RTC */
331#define IPR_EMIQ	(1 << EMIQ_IRQ_NUM)	/* Emulator Interrupt */
332
333/* '328-compatible definitions */
334#define IPR_SPIM	IPR_SPI
335#define IPR_TMR1	IPR_TMR
336
337/**********
338 *
339 * 0xFFFFF4xx -- Parallel Ports
340 *
341 **********/
342
343/*
344 * Port A
345 */
346#define PADIR_ADDR	0xfffff400		/* Port A direction reg */
347#define PADATA_ADDR	0xfffff401		/* Port A data register */
348#define PAPUEN_ADDR	0xfffff402		/* Port A Pull-Up enable reg */
349
350#define PADIR		BYTE_REF(PADIR_ADDR)
351#define PADATA		BYTE_REF(PADATA_ADDR)
352#define PAPUEN		BYTE_REF(PAPUEN_ADDR)
353
354#define PA(x)		(1 << (x))
355
356/*
357 * Port B
358 */
359#define PBDIR_ADDR	0xfffff408		/* Port B direction reg */
360#define PBDATA_ADDR	0xfffff409		/* Port B data register */
361#define PBPUEN_ADDR	0xfffff40a		/* Port B Pull-Up enable reg */
362#define PBSEL_ADDR	0xfffff40b		/* Port B Select Register */
363
364#define PBDIR		BYTE_REF(PBDIR_ADDR)
365#define PBDATA		BYTE_REF(PBDATA_ADDR)
366#define PBPUEN		BYTE_REF(PBPUEN_ADDR)
367#define PBSEL		BYTE_REF(PBSEL_ADDR)
368
369#define PB(x)		(1 << (x))
370
371#define PB_CSB0		0x01	/* Use CSB0      as PB[0] */
372#define PB_CSB1		0x02	/* Use CSB1      as PB[1] */
373#define PB_CSC0_RAS0	0x04    /* Use CSC0/RAS0 as PB[2] */
374#define PB_CSC1_RAS1	0x08    /* Use CSC1/RAS1 as PB[3] */
375#define PB_CSD0_CAS0	0x10    /* Use CSD0/CAS0 as PB[4] */
376#define PB_CSD1_CAS1	0x20    /* Use CSD1/CAS1 as PB[5] */
377#define PB_TIN_TOUT	0x40	/* Use TIN/TOUT  as PB[6] */
378#define PB_PWMO		0x80	/* Use PWMO      as PB[7] */
379
380/*
381 * Port C
382 */
383#define PCDIR_ADDR	0xfffff410		/* Port C direction reg */
384#define PCDATA_ADDR	0xfffff411		/* Port C data register */
385#define PCPDEN_ADDR	0xfffff412		/* Port C Pull-Down enb. reg */
386#define PCSEL_ADDR	0xfffff413		/* Port C Select Register */
387
388#define PCDIR		BYTE_REF(PCDIR_ADDR)
389#define PCDATA		BYTE_REF(PCDATA_ADDR)
390#define PCPDEN		BYTE_REF(PCPDEN_ADDR)
391#define PCSEL		BYTE_REF(PCSEL_ADDR)
392
393#define PC(x)		(1 << (x))
394
395#define PC_LD0		0x01	/* Use LD0  as PC[0] */
396#define PC_LD1		0x02	/* Use LD1  as PC[1] */
397#define PC_LD2		0x04	/* Use LD2  as PC[2] */
398#define PC_LD3		0x08	/* Use LD3  as PC[3] */
399#define PC_LFLM		0x10	/* Use LFLM as PC[4] */
400#define PC_LLP 		0x20	/* Use LLP  as PC[5] */
401#define PC_LCLK		0x40	/* Use LCLK as PC[6] */
402#define PC_LACD		0x80	/* Use LACD as PC[7] */
403
404/*
405 * Port D
406 */
407#define PDDIR_ADDR	0xfffff418		/* Port D direction reg */
408#define PDDATA_ADDR	0xfffff419		/* Port D data register */
409#define PDPUEN_ADDR	0xfffff41a		/* Port D Pull-Up enable reg */
410#define PDSEL_ADDR	0xfffff41b		/* Port D Select Register */
411#define PDPOL_ADDR	0xfffff41c		/* Port D Polarity Register */
412#define PDIRQEN_ADDR	0xfffff41d		/* Port D IRQ enable register */
413#define PDKBEN_ADDR	0xfffff41e		/* Port D Keyboard Enable reg */
414#define	PDIQEG_ADDR	0xfffff41f		/* Port D IRQ Edge Register */
415
416#define PDDIR		BYTE_REF(PDDIR_ADDR)
417#define PDDATA		BYTE_REF(PDDATA_ADDR)
418#define PDPUEN		BYTE_REF(PDPUEN_ADDR)
419#define PDSEL		BYTE_REF(PDSEL_ADDR)
420#define	PDPOL		BYTE_REF(PDPOL_ADDR)
421#define PDIRQEN		BYTE_REF(PDIRQEN_ADDR)
422#define PDKBEN		BYTE_REF(PDKBEN_ADDR)
423#define PDIQEG		BYTE_REF(PDIQEG_ADDR)
424
425#define PD(x)		(1 << (x))
426
427#define PD_INT0		0x01	/* Use INT0 as PD[0] */
428#define PD_INT1		0x02	/* Use INT1 as PD[1] */
429#define PD_INT2		0x04	/* Use INT2 as PD[2] */
430#define PD_INT3		0x08	/* Use INT3 as PD[3] */
431#define PD_IRQ1		0x10	/* Use IRQ1 as PD[4] */
432#define PD_IRQ2		0x20	/* Use IRQ2 as PD[5] */
433#define PD_IRQ3		0x40	/* Use IRQ3 as PD[6] */
434#define PD_IRQ6		0x80	/* Use IRQ6 as PD[7] */
435
436/*
437 * Port E
438 */
439#define PEDIR_ADDR	0xfffff420		/* Port E direction reg */
440#define PEDATA_ADDR	0xfffff421		/* Port E data register */
441#define PEPUEN_ADDR	0xfffff422		/* Port E Pull-Up enable reg */
442#define PESEL_ADDR	0xfffff423		/* Port E Select Register */
443
444#define PEDIR		BYTE_REF(PEDIR_ADDR)
445#define PEDATA		BYTE_REF(PEDATA_ADDR)
446#define PEPUEN		BYTE_REF(PEPUEN_ADDR)
447#define PESEL		BYTE_REF(PESEL_ADDR)
448
449#define PE(x)		(1 << (x))
450
451#define PE_SPMTXD	0x01	/* Use SPMTXD as PE[0] */
452#define PE_SPMRXD	0x02	/* Use SPMRXD as PE[1] */
453#define PE_SPMCLK	0x04	/* Use SPMCLK as PE[2] */
454#define PE_DWE		0x08	/* Use DWE    as PE[3] */
455#define PE_RXD		0x10	/* Use RXD    as PE[4] */
456#define PE_TXD		0x20	/* Use TXD    as PE[5] */
457#define PE_RTS		0x40	/* Use RTS    as PE[6] */
458#define PE_CTS		0x80	/* Use CTS    as PE[7] */
459
460/*
461 * Port F
462 */
463#define PFDIR_ADDR	0xfffff428		/* Port F direction reg */
464#define PFDATA_ADDR	0xfffff429		/* Port F data register */
465#define PFPUEN_ADDR	0xfffff42a		/* Port F Pull-Up enable reg */
466#define PFSEL_ADDR	0xfffff42b		/* Port F Select Register */
467
468#define PFDIR		BYTE_REF(PFDIR_ADDR)
469#define PFDATA		BYTE_REF(PFDATA_ADDR)
470#define PFPUEN		BYTE_REF(PFPUEN_ADDR)
471#define PFSEL		BYTE_REF(PFSEL_ADDR)
472
473#define PF(x)		(1 << (x))
474
475#define PF_LCONTRAST	0x01	/* Use LCONTRAST as PF[0] */
476#define PF_IRQ5         0x02    /* Use IRQ5      as PF[1] */
477#define PF_CLKO         0x04    /* Use CLKO      as PF[2] */
478#define PF_A20          0x08    /* Use A20       as PF[3] */
479#define PF_A21          0x10    /* Use A21       as PF[4] */
480#define PF_A22          0x20    /* Use A22       as PF[5] */
481#define PF_A23          0x40    /* Use A23       as PF[6] */
482#define PF_CSA1		0x80    /* Use CSA1      as PF[7] */
483
484/*
485 * Port G
486 */
487#define PGDIR_ADDR	0xfffff430		/* Port G direction reg */
488#define PGDATA_ADDR	0xfffff431		/* Port G data register */
489#define PGPUEN_ADDR	0xfffff432		/* Port G Pull-Up enable reg */
490#define PGSEL_ADDR	0xfffff433		/* Port G Select Register */
491
492#define PGDIR		BYTE_REF(PGDIR_ADDR)
493#define PGDATA		BYTE_REF(PGDATA_ADDR)
494#define PGPUEN		BYTE_REF(PGPUEN_ADDR)
495#define PGSEL		BYTE_REF(PGSEL_ADDR)
496
497#define PG(x)		(1 << (x))
498
499#define PG_BUSW_DTACK	0x01	/* Use BUSW/DTACK as PG[0] */
500#define PG_A0		0x02	/* Use A0         as PG[1] */
501#define PG_EMUIRQ	0x04	/* Use EMUIRQ     as PG[2] */
502#define PG_HIZ_P_D	0x08	/* Use HIZ/P/D    as PG[3] */
503#define PG_EMUCS        0x10	/* Use EMUCS      as PG[4] */
504#define PG_EMUBRK	0x20	/* Use EMUBRK     as PG[5] */
505
506/**********
507 *
508 * 0xFFFFF5xx -- Pulse-Width Modulator (PWM)
509 *
510 **********/
511
512/*
513 * PWM Control Register
514 */
515#define PWMC_ADDR	0xfffff500
516#define PWMC		WORD_REF(PWMC_ADDR)
517
518#define PWMC_CLKSEL_MASK	0x0003	/* Clock Selection */
519#define PWMC_CLKSEL_SHIFT	0
520#define PWMC_REPEAT_MASK	0x000c	/* Sample Repeats */
521#define PWMC_REPEAT_SHIFT	2
522#define PWMC_EN			0x0010	/* Enable PWM */
523#define PMNC_FIFOAV		0x0020	/* FIFO Available */
524#define PWMC_IRQEN		0x0040	/* Interrupt Request Enable */
525#define PWMC_IRQ		0x0080	/* Interrupt Request (FIFO empty) */
526#define PWMC_PRESCALER_MASK	0x7f00	/* Incoming Clock prescaler */
527#define PWMC_PRESCALER_SHIFT	8
528#define PWMC_CLKSRC		0x8000	/* Clock Source Select */
529
530/* '328-compatible definitions */
531#define PWMC_PWMEN	PWMC_EN
532
533/*
534 * PWM Sample Register
535 */
536#define PWMS_ADDR	0xfffff502
537#define PWMS		WORD_REF(PWMS_ADDR)
538
539/*
540 * PWM Period Register
541 */
542#define PWMP_ADDR	0xfffff504
543#define PWMP		BYTE_REF(PWMP_ADDR)
544
545/*
546 * PWM Counter Register
547 */
548#define PWMCNT_ADDR	0xfffff505
549#define PWMCNT		BYTE_REF(PWMCNT_ADDR)
550
551/**********
552 *
553 * 0xFFFFF6xx -- General-Purpose Timer
554 *
555 **********/
556
557/*
558 * Timer Control register
559 */
560#define TCTL_ADDR	0xfffff600
561#define TCTL		WORD_REF(TCTL_ADDR)
562
563#define	TCTL_TEN		0x0001	/* Timer Enable  */
564#define TCTL_CLKSOURCE_MASK 	0x000e	/* Clock Source: */
565#define   TCTL_CLKSOURCE_STOP	   0x0000	/* Stop count (disabled)    */
566#define   TCTL_CLKSOURCE_SYSCLK	   0x0002	/* SYSCLK to prescaler      */
567#define   TCTL_CLKSOURCE_SYSCLK_16 0x0004	/* SYSCLK/16 to prescaler   */
568#define   TCTL_CLKSOURCE_TIN	   0x0006	/* TIN to prescaler         */
569#define   TCTL_CLKSOURCE_32KHZ	   0x0008	/* 32kHz clock to prescaler */
570#define TCTL_IRQEN		0x0010	/* IRQ Enable    */
571#define TCTL_OM			0x0020	/* Output Mode   */
572#define TCTL_CAP_MASK		0x00c0	/* Capture Edge: */
573#define	  TCTL_CAP_RE		0x0040		/* Capture on rizing edge   */
574#define   TCTL_CAP_FE		0x0080		/* Capture on falling edge  */
575#define TCTL_FRR		0x0010	/* Free-Run Mode */
576
577/* '328-compatible definitions */
578#define TCTL1_ADDR	TCTL_ADDR
579#define TCTL1		TCTL
580
581/*
582 * Timer Prescaler Register
583 */
584#define TPRER_ADDR	0xfffff602
585#define TPRER		WORD_REF(TPRER_ADDR)
586
587/* '328-compatible definitions */
588#define TPRER1_ADDR	TPRER_ADDR
589#define TPRER1		TPRER
590
591/*
592 * Timer Compare Register
593 */
594#define TCMP_ADDR	0xfffff604
595#define TCMP		WORD_REF(TCMP_ADDR)
596
597/* '328-compatible definitions */
598#define TCMP1_ADDR	TCMP_ADDR
599#define TCMP1		TCMP
600
601/*
602 * Timer Capture register
603 */
604#define TCR_ADDR	0xfffff606
605#define TCR		WORD_REF(TCR_ADDR)
606
607/* '328-compatible definitions */
608#define TCR1_ADDR	TCR_ADDR
609#define TCR1		TCR
610
611/*
612 * Timer Counter Register
613 */
614#define TCN_ADDR	0xfffff608
615#define TCN		WORD_REF(TCN_ADDR)
616
617/* '328-compatible definitions */
618#define TCN1_ADDR	TCN_ADDR
619#define TCN1		TCN
620
621/*
622 * Timer Status Register
623 */
624#define TSTAT_ADDR	0xfffff60a
625#define TSTAT		WORD_REF(TSTAT_ADDR)
626
627#define TSTAT_COMP	0x0001		/* Compare Event occurred */
628#define TSTAT_CAPT	0x0001		/* Capture Event occurred */
629
630/* '328-compatible definitions */
631#define TSTAT1_ADDR	TSTAT_ADDR
632#define TSTAT1		TSTAT
633
634/**********
635 *
636 * 0xFFFFF8xx -- Serial Peripheral Interface Master (SPIM)
637 *
638 **********/
639
640/*
641 * SPIM Data Register
642 */
643#define SPIMDATA_ADDR	0xfffff800
644#define SPIMDATA	WORD_REF(SPIMDATA_ADDR)
645
646/*
647 * SPIM Control/Status Register
648 */
649#define SPIMCONT_ADDR	0xfffff802
650#define SPIMCONT	WORD_REF(SPIMCONT_ADDR)
651
652#define SPIMCONT_BIT_COUNT_MASK	 0x000f	/* Transfer Length in Bytes */
653#define SPIMCONT_BIT_COUNT_SHIFT 0
654#define SPIMCONT_POL		 0x0010	/* SPMCLK Signel Polarity */
655#define	SPIMCONT_PHA		 0x0020	/* Clock/Data phase relationship */
656#define SPIMCONT_IRQEN		 0x0040 /* IRQ Enable */
657#define SPIMCONT_IRQ		 0x0080	/* Interrupt Request */
658#define SPIMCONT_XCH		 0x0100	/* Exchange */
659#define SPIMCONT_ENABLE		 0x0200	/* Enable SPIM */
660#define SPIMCONT_DATA_RATE_MASK	 0xe000	/* SPIM Data Rate */
661#define SPIMCONT_DATA_RATE_SHIFT 13
662
663/* '328-compatible definitions */
664#define SPIMCONT_SPIMIRQ	SPIMCONT_IRQ
665#define SPIMCONT_SPIMEN		SPIMCONT_ENABLE
666
667/**********
668 *
669 * 0xFFFFF9xx -- UART
670 *
671 **********/
672
673/*
674 * UART Status/Control Register
675 */
676#define USTCNT_ADDR	0xfffff900
677#define USTCNT		WORD_REF(USTCNT_ADDR)
678
679#define USTCNT_TXAE	0x0001	/* Transmitter Available Interrupt Enable */
680#define USTCNT_TXHE	0x0002	/* Transmitter Half Empty Enable */
681#define USTCNT_TXEE	0x0004	/* Transmitter Empty Interrupt Enable */
682#define USTCNT_RXRE	0x0008	/* Receiver Ready Interrupt Enable */
683#define USTCNT_RXHE	0x0010	/* Receiver Half-Full Interrupt Enable */
684#define USTCNT_RXFE	0x0020	/* Receiver Full Interrupt Enable */
685#define USTCNT_CTSD	0x0040	/* CTS Delta Interrupt Enable */
686#define USTCNT_ODEN	0x0080	/* Old Data Interrupt Enable */
687#define USTCNT_8_7	0x0100	/* Eight or seven-bit transmission */
688#define USTCNT_STOP	0x0200	/* Stop bit transmission */
689#define USTCNT_ODD	0x0400	/* Odd Parity */
690#define	USTCNT_PEN	0x0800	/* Parity Enable */
691#define USTCNT_CLKM	0x1000	/* Clock Mode Select */
692#define	USTCNT_TXEN	0x2000	/* Transmitter Enable */
693#define USTCNT_RXEN	0x4000	/* Receiver Enable */
694#define USTCNT_UEN	0x8000	/* UART Enable */
695
696/* '328-compatible definitions */
697#define USTCNT_TXAVAILEN	USTCNT_TXAE
698#define USTCNT_TXHALFEN		USTCNT_TXHE
699#define USTCNT_TXEMPTYEN	USTCNT_TXEE
700#define USTCNT_RXREADYEN	USTCNT_RXRE
701#define USTCNT_RXHALFEN		USTCNT_RXHE
702#define USTCNT_RXFULLEN		USTCNT_RXFE
703#define USTCNT_CTSDELTAEN	USTCNT_CTSD
704#define USTCNT_ODD_EVEN		USTCNT_ODD
705#define USTCNT_PARITYEN		USTCNT_PEN
706#define USTCNT_CLKMODE		USTCNT_CLKM
707#define USTCNT_UARTEN		USTCNT_UEN
708
709/*
710 * UART Baud Control Register
711 */
712#define UBAUD_ADDR	0xfffff902
713#define UBAUD		WORD_REF(UBAUD_ADDR)
714
715#define UBAUD_PRESCALER_MASK	0x003f	/* Actual divisor is 65 - PRESCALER */
716#define UBAUD_PRESCALER_SHIFT	0
717#define UBAUD_DIVIDE_MASK	0x0700	/* Baud Rate freq. divisor */
718#define UBAUD_DIVIDE_SHIFT	8
719#define UBAUD_BAUD_SRC		0x0800	/* Baud Rate Source */
720#define UBAUD_UCLKDIR		0x2000	/* UCLK Direction */
721
722/*
723 * UART Receiver Register
724 */
725#define URX_ADDR	0xfffff904
726#define URX		WORD_REF(URX_ADDR)
727
728#define URX_RXDATA_ADDR	0xfffff905
729#define URX_RXDATA	BYTE_REF(URX_RXDATA_ADDR)
730
731#define URX_RXDATA_MASK	 0x00ff	/* Received data */
732#define URX_RXDATA_SHIFT 0
733#define URX_PARITY_ERROR 0x0100	/* Parity Error */
734#define URX_BREAK	 0x0200	/* Break Detected */
735#define URX_FRAME_ERROR	 0x0400	/* Framing Error */
736#define URX_OVRUN	 0x0800	/* Serial Overrun */
737#define URX_OLD_DATA	 0x1000	/* Old data in FIFO */
738#define URX_DATA_READY	 0x2000	/* Data Ready (FIFO not empty) */
739#define URX_FIFO_HALF	 0x4000 /* FIFO is Half-Full */
740#define URX_FIFO_FULL	 0x8000	/* FIFO is Full */
741
742/*
743 * UART Transmitter Register
744 */
745#define UTX_ADDR	0xfffff906
746#define UTX		WORD_REF(UTX_ADDR)
747
748#define UTX_TXDATA_ADDR	0xfffff907
749#define UTX_TXDATA	BYTE_REF(UTX_TXDATA_ADDR)
750
751#define UTX_TXDATA_MASK	 0x00ff	/* Data to be transmitted */
752#define UTX_TXDATA_SHIFT 0
753#define UTX_CTS_DELTA	 0x0100	/* CTS changed */
754#define UTX_CTS_STAT	 0x0200	/* CTS State */
755#define	UTX_BUSY	 0x0400	/* FIFO is busy, sending a character */
756#define	UTX_NOCTS	 0x0800	/* Ignore CTS */
757#define UTX_SEND_BREAK	 0x1000	/* Send a BREAK */
758#define UTX_TX_AVAIL	 0x2000	/* Transmit FIFO has a slot available */
759#define UTX_FIFO_HALF	 0x4000	/* Transmit FIFO is half empty */
760#define UTX_FIFO_EMPTY	 0x8000	/* Transmit FIFO is empty */
761
762/* '328-compatible definitions */
763#define UTX_CTS_STATUS	UTX_CTS_STAT
764#define UTX_IGNORE_CTS	UTX_NOCTS
765
766/*
767 * UART Miscellaneous Register
768 */
769#define UMISC_ADDR	0xfffff908
770#define UMISC		WORD_REF(UMISC_ADDR)
771
772#define UMISC_TX_POL	 0x0004	/* Transmit Polarity */
773#define UMISC_RX_POL	 0x0008	/* Receive Polarity */
774#define UMISC_IRDA_LOOP	 0x0010	/* IrDA Loopback Enable */
775#define UMISC_IRDA_EN	 0x0020	/* Infra-Red Enable */
776#define UMISC_RTS	 0x0040	/* Set RTS status */
777#define UMISC_RTSCONT	 0x0080	/* Choose RTS control */
778#define UMISC_IR_TEST	 0x0400	/* IRDA Test Enable */
779#define UMISC_BAUD_RESET 0x0800	/* Reset Baud Rate Generation Counters */
780#define UMISC_LOOP	 0x1000	/* Serial Loopback Enable */
781#define UMISC_FORCE_PERR 0x2000	/* Force Parity Error */
782#define UMISC_CLKSRC	 0x4000	/* Clock Source */
783#define UMISC_BAUD_TEST	 0x8000	/* Enable Baud Test Mode */
784
785/*
786 * UART Non-integer Prescaler Register
787 */
788#define NIPR_ADDR	0xfffff90a
789#define NIPR		WORD_REF(NIPR_ADDR)
790
791#define NIPR_STEP_VALUE_MASK	0x00ff	/* NI prescaler step value */
792#define NIPR_STEP_VALUE_SHIFT	0
793#define NIPR_SELECT_MASK	0x0700	/* Tap Selection */
794#define NIPR_SELECT_SHIFT	8
795#define NIPR_PRE_SEL		0x8000	/* Non-integer prescaler select */
796
797
798/* generalization of uart control registers to support multiple ports: */
799typedef volatile struct {
800  volatile unsigned short int ustcnt;
801  volatile unsigned short int ubaud;
802  union {
803    volatile unsigned short int w;
804    struct {
805      volatile unsigned char status;
806      volatile unsigned char rxdata;
807    } b;
808  } urx;
809  union {
810    volatile unsigned short int w;
811    struct {
812      volatile unsigned char status;
813      volatile unsigned char txdata;
814    } b;
815  } utx;
816  volatile unsigned short int umisc;
817  volatile unsigned short int nipr;
818  volatile unsigned short int pad1;
819  volatile unsigned short int pad2;
820} __packed m68328_uart;
821
822
823/**********
824 *
825 * 0xFFFFFAxx -- LCD Controller
826 *
827 **********/
828
829/*
830 * LCD Screen Starting Address Register
831 */
832#define LSSA_ADDR	0xfffffa00
833#define LSSA		LONG_REF(LSSA_ADDR)
834
835#define LSSA_SSA_MASK	0x1ffffffe	/* Bits 0 and 29-31 are reserved */
836
837/*
838 * LCD Virtual Page Width Register
839 */
840#define LVPW_ADDR	0xfffffa05
841#define LVPW		BYTE_REF(LVPW_ADDR)
842
843/*
844 * LCD Screen Width Register (not compatible with '328 !!!)
845 */
846#define LXMAX_ADDR	0xfffffa08
847#define LXMAX		WORD_REF(LXMAX_ADDR)
848
849#define LXMAX_XM_MASK	0x02f0		/* Bits 0-3 and 10-15 are reserved */
850
851/*
852 * LCD Screen Height Register
853 */
854#define LYMAX_ADDR	0xfffffa0a
855#define LYMAX		WORD_REF(LYMAX_ADDR)
856
857#define LYMAX_YM_MASK	0x01ff		/* Bits 9-15 are reserved */
858
859/*
860 * LCD Cursor X Position Register
861 */
862#define LCXP_ADDR	0xfffffa18
863#define LCXP		WORD_REF(LCXP_ADDR)
864
865#define LCXP_CC_MASK	0xc000		/* Cursor Control */
866#define   LCXP_CC_TRAMSPARENT	0x0000
867#define   LCXP_CC_BLACK		0x4000
868#define   LCXP_CC_REVERSED	0x8000
869#define   LCXP_CC_WHITE		0xc000
870#define LCXP_CXP_MASK	0x02ff		/* Cursor X position */
871
872/*
873 * LCD Cursor Y Position Register
874 */
875#define LCYP_ADDR	0xfffffa1a
876#define LCYP		WORD_REF(LCYP_ADDR)
877
878#define LCYP_CYP_MASK	0x01ff		/* Cursor Y Position */
879
880/*
881 * LCD Cursor Width and Heigth Register
882 */
883#define LCWCH_ADDR	0xfffffa1c
884#define LCWCH		WORD_REF(LCWCH_ADDR)
885
886#define LCWCH_CH_MASK	0x001f		/* Cursor Height */
887#define LCWCH_CH_SHIFT	0
888#define LCWCH_CW_MASK	0x1f00		/* Cursor Width */
889#define LCWCH_CW_SHIFT	8
890
891/*
892 * LCD Blink Control Register
893 */
894#define LBLKC_ADDR	0xfffffa1f
895#define LBLKC		BYTE_REF(LBLKC_ADDR)
896
897#define LBLKC_BD_MASK	0x7f	/* Blink Divisor */
898#define LBLKC_BD_SHIFT	0
899#define LBLKC_BKEN	0x80	/* Blink Enabled */
900
901/*
902 * LCD Panel Interface Configuration Register
903 */
904#define LPICF_ADDR	0xfffffa20
905#define LPICF		BYTE_REF(LPICF_ADDR)
906
907#define LPICF_GS_MASK	 0x03	 /* Gray-Scale Mode */
908#define	  LPICF_GS_BW	   0x00
909#define   LPICF_GS_GRAY_4  0x01
910#define   LPICF_GS_GRAY_16 0x02
911#define LPICF_PBSIZ_MASK 0x0c	/* Panel Bus Width */
912#define   LPICF_PBSIZ_1	   0x00
913#define   LPICF_PBSIZ_2    0x04
914#define   LPICF_PBSIZ_4    0x08
915
916/*
917 * LCD Polarity Configuration Register
918 */
919#define LPOLCF_ADDR	0xfffffa21
920#define LPOLCF		BYTE_REF(LPOLCF_ADDR)
921
922#define LPOLCF_PIXPOL	0x01	/* Pixel Polarity */
923#define LPOLCF_LPPOL	0x02	/* Line Pulse Polarity */
924#define LPOLCF_FLMPOL	0x04	/* Frame Marker Polarity */
925#define LPOLCF_LCKPOL	0x08	/* LCD Shift Lock Polarity */
926
927/*
928 * LACD (LCD Alternate Crystal Direction) Rate Control Register
929 */
930#define LACDRC_ADDR	0xfffffa23
931#define LACDRC		BYTE_REF(LACDRC_ADDR)
932
933#define LACDRC_ACDSLT	 0x80	/* Signal Source Select */
934#define LACDRC_ACD_MASK	 0x0f	/* Alternate Crystal Direction Control */
935#define LACDRC_ACD_SHIFT 0
936
937/*
938 * LCD Pixel Clock Divider Register
939 */
940#define LPXCD_ADDR	0xfffffa25
941#define LPXCD		BYTE_REF(LPXCD_ADDR)
942
943#define	LPXCD_PCD_MASK	0x3f 	/* Pixel Clock Divider */
944#define LPXCD_PCD_SHIFT	0
945
946/*
947 * LCD Clocking Control Register
948 */
949#define LCKCON_ADDR	0xfffffa27
950#define LCKCON		BYTE_REF(LCKCON_ADDR)
951
952#define LCKCON_DWS_MASK	 0x0f	/* Display Wait-State */
953#define LCKCON_DWS_SHIFT 0
954#define LCKCON_DWIDTH	 0x40	/* Display Memory Width  */
955#define LCKCON_LCDON	 0x80	/* Enable LCD Controller */
956
957/* '328-compatible definitions */
958#define LCKCON_DW_MASK  LCKCON_DWS_MASK
959#define LCKCON_DW_SHIFT LCKCON_DWS_SHIFT
960
961/*
962 * LCD Refresh Rate Adjustment Register
963 */
964#define LRRA_ADDR	0xfffffa29
965#define LRRA		BYTE_REF(LRRA_ADDR)
966
967/*
968 * LCD Panning Offset Register
969 */
970#define LPOSR_ADDR	0xfffffa2d
971#define LPOSR		BYTE_REF(LPOSR_ADDR)
972
973#define LPOSR_POS_MASK	0x0f	/* Pixel Offset Code */
974#define LPOSR_POS_SHIFT	0
975
976/*
977 * LCD Frame Rate Control Modulation Register
978 */
979#define LFRCM_ADDR	0xfffffa31
980#define LFRCM		BYTE_REF(LFRCM_ADDR)
981
982#define LFRCM_YMOD_MASK	 0x0f	/* Vertical Modulation */
983#define LFRCM_YMOD_SHIFT 0
984#define LFRCM_XMOD_MASK	 0xf0	/* Horizontal Modulation */
985#define LFRCM_XMOD_SHIFT 4
986
987/*
988 * LCD Gray Palette Mapping Register
989 */
990#define LGPMR_ADDR	0xfffffa33
991#define LGPMR		BYTE_REF(LGPMR_ADDR)
992
993#define LGPMR_G1_MASK	0x0f
994#define LGPMR_G1_SHIFT	0
995#define LGPMR_G2_MASK	0xf0
996#define LGPMR_G2_SHIFT	4
997
998/*
999 * PWM Contrast Control Register
1000 */
1001#define PWMR_ADDR	0xfffffa36
1002#define PWMR		WORD_REF(PWMR_ADDR)
1003
1004#define PWMR_PW_MASK	0x00ff	/* Pulse Width */
1005#define PWMR_PW_SHIFT	0
1006#define PWMR_CCPEN	0x0100	/* Contrast Control Enable */
1007#define PWMR_SRC_MASK	0x0600	/* Input Clock Source */
1008#define   PWMR_SRC_LINE	  0x0000	/* Line Pulse  */
1009#define   PWMR_SRC_PIXEL  0x0200	/* Pixel Clock */
1010#define   PWMR_SRC_LCD    0x4000	/* LCD clock   */
1011
1012/**********
1013 *
1014 * 0xFFFFFBxx -- Real-Time Clock (RTC)
1015 *
1016 **********/
1017
1018/*
1019 * RTC Hours Minutes and Seconds Register
1020 */
1021#define RTCTIME_ADDR	0xfffffb00
1022#define RTCTIME		LONG_REF(RTCTIME_ADDR)
1023
1024#define RTCTIME_SECONDS_MASK	0x0000003f	/* Seconds */
1025#define RTCTIME_SECONDS_SHIFT	0
1026#define RTCTIME_MINUTES_MASK	0x003f0000	/* Minutes */
1027#define RTCTIME_MINUTES_SHIFT	16
1028#define RTCTIME_HOURS_MASK	0x1f000000	/* Hours */
1029#define RTCTIME_HOURS_SHIFT	24
1030
1031/*
1032 *  RTC Alarm Register
1033 */
1034#define RTCALRM_ADDR    0xfffffb04
1035#define RTCALRM         LONG_REF(RTCALRM_ADDR)
1036
1037#define RTCALRM_SECONDS_MASK    0x0000003f      /* Seconds */
1038#define RTCALRM_SECONDS_SHIFT   0
1039#define RTCALRM_MINUTES_MASK    0x003f0000      /* Minutes */
1040#define RTCALRM_MINUTES_SHIFT   16
1041#define RTCALRM_HOURS_MASK      0x1f000000      /* Hours */
1042#define RTCALRM_HOURS_SHIFT     24
1043
1044/*
1045 * Watchdog Timer Register
1046 */
1047#define WATCHDOG_ADDR	0xfffffb0a
1048#define WATCHDOG	WORD_REF(WATCHDOG_ADDR)
1049
1050#define WATCHDOG_EN	0x0001	/* Watchdog Enabled */
1051#define WATCHDOG_ISEL	0x0002	/* Select the watchdog interrupt */
1052#define WATCHDOG_INTF	0x0080	/* Watchdog interrupt occurred */
1053#define WATCHDOG_CNT_MASK  0x0300	/* Watchdog Counter */
1054#define WATCHDOG_CNT_SHIFT 8
1055
1056/*
1057 * RTC Control Register
1058 */
1059#define RTCCTL_ADDR	0xfffffb0c
1060#define RTCCTL		WORD_REF(RTCCTL_ADDR)
1061
1062#define RTCCTL_XTL	0x0020	/* Crystal Selection */
1063#define RTCCTL_EN	0x0080	/* RTC Enable */
1064
1065/* '328-compatible definitions */
1066#define RTCCTL_384	RTCCTL_XTL
1067#define RTCCTL_ENABLE	RTCCTL_EN
1068
1069/*
1070 * RTC Interrupt Status Register
1071 */
1072#define RTCISR_ADDR	0xfffffb0e
1073#define RTCISR		WORD_REF(RTCISR_ADDR)
1074
1075#define RTCISR_SW	0x0001	/* Stopwatch timed out */
1076#define RTCISR_MIN	0x0002	/* 1-minute interrupt has occurred */
1077#define RTCISR_ALM	0x0004	/* Alarm interrupt has occurred */
1078#define RTCISR_DAY	0x0008	/* 24-hour rollover interrupt has occurred */
1079#define RTCISR_1HZ	0x0010	/* 1Hz interrupt has occurred */
1080#define RTCISR_HR	0x0020	/* 1-hour interrupt has occurred */
1081#define RTCISR_SAM0	0x0100	/*   4Hz /   4.6875Hz interrupt has occurred */
1082#define RTCISR_SAM1	0x0200	/*   8Hz /   9.3750Hz interrupt has occurred */
1083#define RTCISR_SAM2	0x0400	/*  16Hz /  18.7500Hz interrupt has occurred */
1084#define RTCISR_SAM3	0x0800	/*  32Hz /  37.5000Hz interrupt has occurred */
1085#define RTCISR_SAM4	0x1000	/*  64Hz /  75.0000Hz interrupt has occurred */
1086#define RTCISR_SAM5	0x2000	/* 128Hz / 150.0000Hz interrupt has occurred */
1087#define RTCISR_SAM6	0x4000	/* 256Hz / 300.0000Hz interrupt has occurred */
1088#define RTCISR_SAM7	0x8000	/* 512Hz / 600.0000Hz interrupt has occurred */
1089
1090/*
1091 * RTC Interrupt Enable Register
1092 */
1093#define RTCIENR_ADDR	0xfffffb10
1094#define RTCIENR		WORD_REF(RTCIENR_ADDR)
1095
1096#define RTCIENR_SW	0x0001	/* Stopwatch interrupt enable */
1097#define RTCIENR_MIN	0x0002	/* 1-minute interrupt enable */
1098#define RTCIENR_ALM	0x0004	/* Alarm interrupt enable */
1099#define RTCIENR_DAY	0x0008	/* 24-hour rollover interrupt enable */
1100#define RTCIENR_1HZ	0x0010	/* 1Hz interrupt enable */
1101#define RTCIENR_HR	0x0020	/* 1-hour interrupt enable */
1102#define RTCIENR_SAM0	0x0100	/*   4Hz /   4.6875Hz interrupt enable */
1103#define RTCIENR_SAM1	0x0200	/*   8Hz /   9.3750Hz interrupt enable */
1104#define RTCIENR_SAM2	0x0400	/*  16Hz /  18.7500Hz interrupt enable */
1105#define RTCIENR_SAM3	0x0800	/*  32Hz /  37.5000Hz interrupt enable */
1106#define RTCIENR_SAM4	0x1000	/*  64Hz /  75.0000Hz interrupt enable */
1107#define RTCIENR_SAM5	0x2000	/* 128Hz / 150.0000Hz interrupt enable */
1108#define RTCIENR_SAM6	0x4000	/* 256Hz / 300.0000Hz interrupt enable */
1109#define RTCIENR_SAM7	0x8000	/* 512Hz / 600.0000Hz interrupt enable */
1110
1111/*
1112 * Stopwatch Minutes Register
1113 */
1114#define STPWCH_ADDR	0xfffffb12
1115#define STPWCH		WORD_REF(STPWCH)
1116
1117#define STPWCH_CNT_MASK	 0x003f	/* Stopwatch countdown value */
1118#define SPTWCH_CNT_SHIFT 0
1119
1120/*
1121 * RTC Day Count Register
1122 */
1123#define DAYR_ADDR	0xfffffb1a
1124#define DAYR		WORD_REF(DAYR_ADDR)
1125
1126#define DAYR_DAYS_MASK	0x1ff	/* Day Setting */
1127#define DAYR_DAYS_SHIFT 0
1128
1129/*
1130 * RTC Day Alarm Register
1131 */
1132#define DAYALARM_ADDR	0xfffffb1c
1133#define DAYALARM	WORD_REF(DAYALARM_ADDR)
1134
1135#define DAYALARM_DAYSAL_MASK	0x01ff	/* Day Setting of the Alarm */
1136#define DAYALARM_DAYSAL_SHIFT 	0
1137
1138/**********
1139 *
1140 * 0xFFFFFCxx -- DRAM Controller
1141 *
1142 **********/
1143
1144/*
1145 * DRAM Memory Configuration Register
1146 */
1147#define DRAMMC_ADDR	0xfffffc00
1148#define DRAMMC		WORD_REF(DRAMMC_ADDR)
1149
1150#define DRAMMC_ROW12_MASK	0xc000	/* Row address bit for MD12 */
1151#define   DRAMMC_ROW12_PA10	0x0000
1152#define   DRAMMC_ROW12_PA21	0x4000
1153#define   DRAMMC_ROW12_PA23	0x8000
1154#define	DRAMMC_ROW0_MASK	0x3000	/* Row address bit for MD0 */
1155#define	  DRAMMC_ROW0_PA11	0x0000
1156#define   DRAMMC_ROW0_PA22	0x1000
1157#define   DRAMMC_ROW0_PA23	0x2000
1158#define DRAMMC_ROW11		0x0800	/* Row address bit for MD11 PA20/PA22 */
1159#define DRAMMC_ROW10		0x0400	/* Row address bit for MD10 PA19/PA21 */
1160#define	DRAMMC_ROW9		0x0200	/* Row address bit for MD9  PA9/PA19  */
1161#define DRAMMC_ROW8		0x0100	/* Row address bit for MD8  PA10/PA20 */
1162#define DRAMMC_COL10		0x0080	/* Col address bit for MD10 PA11/PA0  */
1163#define DRAMMC_COL9		0x0040	/* Col address bit for MD9  PA10/PA0  */
1164#define DRAMMC_COL8		0x0020	/* Col address bit for MD8  PA9/PA0   */
1165#define DRAMMC_REF_MASK		0x001f	/* Refresh Cycle */
1166#define DRAMMC_REF_SHIFT	0
1167
1168/*
1169 * DRAM Control Register
1170 */
1171#define DRAMC_ADDR	0xfffffc02
1172#define DRAMC		WORD_REF(DRAMC_ADDR)
1173
1174#define DRAMC_DWE	   0x0001	/* DRAM Write Enable */
1175#define DRAMC_RST	   0x0002	/* Reset Burst Refresh Enable */
1176#define DRAMC_LPR	   0x0004	/* Low-Power Refresh Enable */
1177#define DRAMC_SLW	   0x0008	/* Slow RAM */
1178#define DRAMC_LSP	   0x0010	/* Light Sleep */
1179#define DRAMC_MSW	   0x0020	/* Slow Multiplexing */
1180#define DRAMC_WS_MASK	   0x00c0	/* Wait-states */
1181#define DRAMC_WS_SHIFT	   6
1182#define DRAMC_PGSZ_MASK    0x0300	/* Page Size for fast page mode */
1183#define DRAMC_PGSZ_SHIFT   8
1184#define   DRAMC_PGSZ_256K  0x0000
1185#define   DRAMC_PGSZ_512K  0x0100
1186#define   DRAMC_PGSZ_1024K 0x0200
1187#define	  DRAMC_PGSZ_2048K 0x0300
1188#define DRAMC_EDO	   0x0400	/* EDO DRAM */
1189#define DRAMC_CLK	   0x0800	/* Refresh Timer Clock source select */
1190#define DRAMC_BC_MASK	   0x3000	/* Page Access Clock Cycle (FP mode) */
1191#define DRAMC_BC_SHIFT	   12
1192#define DRAMC_RM	   0x4000	/* Refresh Mode */
1193#define DRAMC_EN	   0x8000	/* DRAM Controller enable */
1194
1195
1196/**********
1197 *
1198 * 0xFFFFFDxx -- In-Circuit Emulation (ICE)
1199 *
1200 **********/
1201
1202/*
1203 * ICE Module Address Compare Register
1204 */
1205#define ICEMACR_ADDR	0xfffffd00
1206#define ICEMACR		LONG_REF(ICEMACR_ADDR)
1207
1208/*
1209 * ICE Module Address Mask Register
1210 */
1211#define ICEMAMR_ADDR	0xfffffd04
1212#define ICEMAMR		LONG_REF(ICEMAMR_ADDR)
1213
1214/*
1215 * ICE Module Control Compare Register
1216 */
1217#define ICEMCCR_ADDR	0xfffffd08
1218#define ICEMCCR		WORD_REF(ICEMCCR_ADDR)
1219
1220#define ICEMCCR_PD	0x0001	/* Program/Data Cycle Selection */
1221#define ICEMCCR_RW	0x0002	/* Read/Write Cycle Selection */
1222
1223/*
1224 * ICE Module Control Mask Register
1225 */
1226#define ICEMCMR_ADDR	0xfffffd0a
1227#define ICEMCMR		WORD_REF(ICEMCMR_ADDR)
1228
1229#define ICEMCMR_PDM	0x0001	/* Program/Data Cycle Mask */
1230#define ICEMCMR_RWM	0x0002	/* Read/Write Cycle Mask */
1231
1232/*
1233 * ICE Module Control Register
1234 */
1235#define ICEMCR_ADDR	0xfffffd0c
1236#define ICEMCR		WORD_REF(ICEMCR_ADDR)
1237
1238#define ICEMCR_CEN	0x0001	/* Compare Enable */
1239#define ICEMCR_PBEN	0x0002	/* Program Break Enable */
1240#define ICEMCR_SB	0x0004	/* Single Breakpoint */
1241#define ICEMCR_HMDIS	0x0008	/* HardMap disable */
1242#define ICEMCR_BBIEN	0x0010	/* Bus Break Interrupt Enable */
1243
1244/*
1245 * ICE Module Status Register
1246 */
1247#define ICEMSR_ADDR	0xfffffd0e
1248#define ICEMSR		WORD_REF(ICEMSR_ADDR)
1249
1250#define ICEMSR_EMUEN	0x0001	/* Emulation Enable */
1251#define ICEMSR_BRKIRQ	0x0002	/* A-Line Vector Fetch Detected */
1252#define ICEMSR_BBIRQ	0x0004	/* Bus Break Interrupt Detected */
1253#define ICEMSR_EMIRQ	0x0008	/* EMUIRQ Falling Edge Detected */
1254
1255#endif /* _MC68EZ328_H_ */
1256