xref: /openbmc/linux/arch/m68k/include/asm/MC68EZ328.h (revision 4da722ca)
1 
2 /* include/asm-m68knommu/MC68EZ328.h: 'EZ328 control registers
3  *
4  * Copyright (C) 1999  Vladimir Gurevich <vgurevic@cisco.com>
5  *                     Bear & Hare Software, Inc.
6  *
7  * Based on include/asm-m68knommu/MC68332.h
8  * Copyright (C) 1998  Kenneth Albanowski <kjahds@kjahds.com>,
9  *                     The Silver Hammer Group, Ltd.
10  *
11  */
12 #include <linux/compiler.h>
13 
14 #ifndef _MC68EZ328_H_
15 #define _MC68EZ328_H_
16 
17 #define BYTE_REF(addr) (*((volatile unsigned char*)addr))
18 #define WORD_REF(addr) (*((volatile unsigned short*)addr))
19 #define LONG_REF(addr) (*((volatile unsigned long*)addr))
20 
21 #define PUT_FIELD(field, val) (((val) << field##_SHIFT) & field##_MASK)
22 #define GET_FIELD(reg, field) (((reg) & field##_MASK) >> field##_SHIFT)
23 
24 /**********
25  *
26  * 0xFFFFF0xx -- System Control
27  *
28  **********/
29 
30 /*
31  * System Control Register (SCR)
32  */
33 #define SCR_ADDR	0xfffff000
34 #define SCR		BYTE_REF(SCR_ADDR)
35 
36 #define SCR_WDTH8	0x01	/* 8-Bit Width Select */
37 #define SCR_DMAP	0x04	/* Double Map */
38 #define SCR_SO		0x08	/* Supervisor Only */
39 #define SCR_BETEN	0x10	/* Bus-Error Time-Out Enable */
40 #define SCR_PRV		0x20	/* Privilege Violation */
41 #define SCR_WPV		0x40	/* Write Protect Violation */
42 #define SCR_BETO	0x80	/* Bus-Error TimeOut */
43 
44 /*
45  * Silicon ID Register (Mask Revision Register (MRR) for '328 Compatibility)
46  */
47 #define MRR_ADDR 0xfffff004
48 #define MRR	 LONG_REF(MRR_ADDR)
49 
50 /**********
51  *
52  * 0xFFFFF1xx -- Chip-Select logic
53  *
54  **********/
55 
56 /*
57  * Chip Select Group Base Registers
58  */
59 #define CSGBA_ADDR	0xfffff100
60 #define CSGBB_ADDR	0xfffff102
61 
62 #define CSGBC_ADDR	0xfffff104
63 #define CSGBD_ADDR	0xfffff106
64 
65 #define CSGBA		WORD_REF(CSGBA_ADDR)
66 #define CSGBB		WORD_REF(CSGBB_ADDR)
67 #define CSGBC		WORD_REF(CSGBC_ADDR)
68 #define CSGBD		WORD_REF(CSGBD_ADDR)
69 
70 /*
71  * Chip Select Registers
72  */
73 #define CSA_ADDR	0xfffff110
74 #define CSB_ADDR	0xfffff112
75 #define CSC_ADDR	0xfffff114
76 #define CSD_ADDR	0xfffff116
77 
78 #define CSA		WORD_REF(CSA_ADDR)
79 #define CSB		WORD_REF(CSB_ADDR)
80 #define CSC		WORD_REF(CSC_ADDR)
81 #define CSD		WORD_REF(CSD_ADDR)
82 
83 #define CSA_EN		0x0001		/* Chip-Select Enable */
84 #define CSA_SIZ_MASK	0x000e		/* Chip-Select Size */
85 #define CSA_SIZ_SHIFT   1
86 #define CSA_WS_MASK	0x0070		/* Wait State */
87 #define CSA_WS_SHIFT    4
88 #define CSA_BSW		0x0080		/* Data Bus Width */
89 #define CSA_FLASH	0x0100		/* FLASH Memory Support */
90 #define CSA_RO		0x8000		/* Read-Only */
91 
92 #define CSB_EN		0x0001		/* Chip-Select Enable */
93 #define CSB_SIZ_MASK	0x000e		/* Chip-Select Size */
94 #define CSB_SIZ_SHIFT   1
95 #define CSB_WS_MASK	0x0070		/* Wait State */
96 #define CSB_WS_SHIFT    4
97 #define CSB_BSW		0x0080		/* Data Bus Width */
98 #define CSB_FLASH	0x0100		/* FLASH Memory Support */
99 #define CSB_UPSIZ_MASK	0x1800		/* Unprotected memory block size */
100 #define CSB_UPSIZ_SHIFT 11
101 #define CSB_ROP		0x2000		/* Readonly if protected */
102 #define CSB_SOP		0x4000		/* Supervisor only if protected */
103 #define CSB_RO		0x8000		/* Read-Only */
104 
105 #define CSC_EN		0x0001		/* Chip-Select Enable */
106 #define CSC_SIZ_MASK	0x000e		/* Chip-Select Size */
107 #define CSC_SIZ_SHIFT   1
108 #define CSC_WS_MASK	0x0070		/* Wait State */
109 #define CSC_WS_SHIFT    4
110 #define CSC_BSW		0x0080		/* Data Bus Width */
111 #define CSC_FLASH	0x0100		/* FLASH Memory Support */
112 #define CSC_UPSIZ_MASK	0x1800		/* Unprotected memory block size */
113 #define CSC_UPSIZ_SHIFT 11
114 #define CSC_ROP		0x2000		/* Readonly if protected */
115 #define CSC_SOP		0x4000		/* Supervisor only if protected */
116 #define CSC_RO		0x8000		/* Read-Only */
117 
118 #define CSD_EN		0x0001		/* Chip-Select Enable */
119 #define CSD_SIZ_MASK	0x000e		/* Chip-Select Size */
120 #define CSD_SIZ_SHIFT   1
121 #define CSD_WS_MASK	0x0070		/* Wait State */
122 #define CSD_WS_SHIFT    4
123 #define CSD_BSW		0x0080		/* Data Bus Width */
124 #define CSD_FLASH	0x0100		/* FLASH Memory Support */
125 #define CSD_DRAM	0x0200		/* Dram Selection */
126 #define	CSD_COMB	0x0400		/* Combining */
127 #define CSD_UPSIZ_MASK	0x1800		/* Unprotected memory block size */
128 #define CSD_UPSIZ_SHIFT 11
129 #define CSD_ROP		0x2000		/* Readonly if protected */
130 #define CSD_SOP		0x4000		/* Supervisor only if protected */
131 #define CSD_RO		0x8000		/* Read-Only */
132 
133 /*
134  * Emulation Chip-Select Register
135  */
136 #define EMUCS_ADDR	0xfffff118
137 #define EMUCS		WORD_REF(EMUCS_ADDR)
138 
139 #define EMUCS_WS_MASK	0x0070
140 #define EMUCS_WS_SHIFT	4
141 
142 /**********
143  *
144  * 0xFFFFF2xx -- Phase Locked Loop (PLL) & Power Control
145  *
146  **********/
147 
148 /*
149  * PLL Control Register
150  */
151 #define PLLCR_ADDR	0xfffff200
152 #define PLLCR		WORD_REF(PLLCR_ADDR)
153 
154 #define PLLCR_DISPLL	       0x0008	/* Disable PLL */
155 #define PLLCR_CLKEN	       0x0010	/* Clock (CLKO pin) enable */
156 #define PLLCR_PRESC	       0x0020	/* VCO prescaler */
157 #define PLLCR_SYSCLK_SEL_MASK  0x0700	/* System Clock Selection */
158 #define PLLCR_SYSCLK_SEL_SHIFT 8
159 #define PLLCR_LCDCLK_SEL_MASK  0x3800	/* LCD Clock Selection */
160 #define PLLCR_LCDCLK_SEL_SHIFT 11
161 
162 /* '328-compatible definitions */
163 #define PLLCR_PIXCLK_SEL_MASK	PLLCR_LCDCLK_SEL_MASK
164 #define PLLCR_PIXCLK_SEL_SHIFT	PLLCR_LCDCLK_SEL_SHIFT
165 
166 /*
167  * PLL Frequency Select Register
168  */
169 #define PLLFSR_ADDR	0xfffff202
170 #define PLLFSR		WORD_REF(PLLFSR_ADDR)
171 
172 #define PLLFSR_PC_MASK	0x00ff		/* P Count */
173 #define PLLFSR_PC_SHIFT 0
174 #define PLLFSR_QC_MASK	0x0f00		/* Q Count */
175 #define PLLFSR_QC_SHIFT 8
176 #define PLLFSR_PROT	0x4000		/* Protect P & Q */
177 #define PLLFSR_CLK32	0x8000		/* Clock 32 (kHz) */
178 
179 /*
180  * Power Control Register
181  */
182 #define PCTRL_ADDR	0xfffff207
183 #define PCTRL		BYTE_REF(PCTRL_ADDR)
184 
185 #define PCTRL_WIDTH_MASK	0x1f	/* CPU Clock bursts width */
186 #define PCTRL_WIDTH_SHIFT	0
187 #define PCTRL_PCEN		0x80	/* Power Control Enable */
188 
189 /**********
190  *
191  * 0xFFFFF3xx -- Interrupt Controller
192  *
193  **********/
194 
195 /*
196  * Interrupt Vector Register
197  */
198 #define IVR_ADDR	0xfffff300
199 #define IVR		BYTE_REF(IVR_ADDR)
200 
201 #define IVR_VECTOR_MASK 0xF8
202 
203 /*
204  * Interrupt control Register
205  */
206 #define ICR_ADDR	0xfffff302
207 #define ICR		WORD_REF(ICR_ADDR)
208 
209 #define ICR_POL5	0x0080	/* Polarity Control for IRQ5 */
210 #define ICR_ET6		0x0100	/* Edge Trigger Select for IRQ6 */
211 #define ICR_ET3		0x0200	/* Edge Trigger Select for IRQ3 */
212 #define ICR_ET2		0x0400	/* Edge Trigger Select for IRQ2 */
213 #define ICR_ET1		0x0800	/* Edge Trigger Select for IRQ1 */
214 #define ICR_POL6	0x1000	/* Polarity Control for IRQ6 */
215 #define ICR_POL3	0x2000	/* Polarity Control for IRQ3 */
216 #define ICR_POL2	0x4000	/* Polarity Control for IRQ2 */
217 #define ICR_POL1	0x8000	/* Polarity Control for IRQ1 */
218 
219 /*
220  * Interrupt Mask Register
221  */
222 #define IMR_ADDR	0xfffff304
223 #define IMR		LONG_REF(IMR_ADDR)
224 
225 /*
226  * Define the names for bit positions first. This is useful for
227  * request_irq
228  */
229 #define SPI_IRQ_NUM	0	/* SPI interrupt */
230 #define TMR_IRQ_NUM	1	/* Timer interrupt */
231 #define UART_IRQ_NUM	2	/* UART interrupt */
232 #define	WDT_IRQ_NUM	3	/* Watchdog Timer interrupt */
233 #define RTC_IRQ_NUM	4	/* RTC interrupt */
234 #define	KB_IRQ_NUM	6	/* Keyboard Interrupt */
235 #define PWM_IRQ_NUM	7	/* Pulse-Width Modulator int. */
236 #define	INT0_IRQ_NUM	8	/* External INT0 */
237 #define	INT1_IRQ_NUM	9	/* External INT1 */
238 #define	INT2_IRQ_NUM	10	/* External INT2 */
239 #define	INT3_IRQ_NUM	11	/* External INT3 */
240 #define IRQ1_IRQ_NUM	16	/* IRQ1 */
241 #define IRQ2_IRQ_NUM	17	/* IRQ2 */
242 #define IRQ3_IRQ_NUM	18	/* IRQ3 */
243 #define IRQ6_IRQ_NUM	19	/* IRQ6 */
244 #define IRQ5_IRQ_NUM	20	/* IRQ5 */
245 #define SAM_IRQ_NUM	22	/* Sampling Timer for RTC */
246 #define EMIQ_IRQ_NUM	23	/* Emulator Interrupt */
247 
248 /* '328-compatible definitions */
249 #define SPIM_IRQ_NUM	SPI_IRQ_NUM
250 #define TMR1_IRQ_NUM	TMR_IRQ_NUM
251 
252 /*
253  * Here go the bitmasks themselves
254  */
255 #define IMR_MSPI 	(1 << SPI_IRQ_NUM)	/* Mask SPI interrupt */
256 #define	IMR_MTMR	(1 << TMR_IRQ_NUM)	/* Mask Timer interrupt */
257 #define IMR_MUART	(1 << UART_IRQ_NUM)	/* Mask UART interrupt */
258 #define	IMR_MWDT	(1 << WDT_IRQ_NUM)	/* Mask Watchdog Timer interrupt */
259 #define IMR_MRTC	(1 << RTC_IRQ_NUM)	/* Mask RTC interrupt */
260 #define	IMR_MKB		(1 << KB_IRQ_NUM)	/* Mask Keyboard Interrupt */
261 #define IMR_MPWM	(1 << PWM_IRQ_NUM)	/* Mask Pulse-Width Modulator int. */
262 #define	IMR_MINT0	(1 << INT0_IRQ_NUM)	/* Mask External INT0 */
263 #define	IMR_MINT1	(1 << INT1_IRQ_NUM)	/* Mask External INT1 */
264 #define	IMR_MINT2	(1 << INT2_IRQ_NUM)	/* Mask External INT2 */
265 #define	IMR_MINT3	(1 << INT3_IRQ_NUM)	/* Mask External INT3 */
266 #define IMR_MIRQ1	(1 << IRQ1_IRQ_NUM)	/* Mask IRQ1 */
267 #define IMR_MIRQ2	(1 << IRQ2_IRQ_NUM)	/* Mask IRQ2 */
268 #define IMR_MIRQ3	(1 << IRQ3_IRQ_NUM)	/* Mask IRQ3 */
269 #define IMR_MIRQ6	(1 << IRQ6_IRQ_NUM)	/* Mask IRQ6 */
270 #define IMR_MIRQ5	(1 << IRQ5_IRQ_NUM)	/* Mask IRQ5 */
271 #define IMR_MSAM	(1 << SAM_IRQ_NUM)	/* Mask Sampling Timer for RTC */
272 #define IMR_MEMIQ	(1 << EMIQ_IRQ_NUM)	/* Mask Emulator Interrupt */
273 
274 /* '328-compatible definitions */
275 #define IMR_MSPIM	IMR_MSPI
276 #define IMR_MTMR1	IMR_MTMR
277 
278 /*
279  * Interrupt Status Register
280  */
281 #define ISR_ADDR	0xfffff30c
282 #define ISR		LONG_REF(ISR_ADDR)
283 
284 #define ISR_SPI 	(1 << SPI_IRQ_NUM)	/* SPI interrupt */
285 #define	ISR_TMR		(1 << TMR_IRQ_NUM)	/* Timer interrupt */
286 #define ISR_UART	(1 << UART_IRQ_NUM)	/* UART interrupt */
287 #define	ISR_WDT		(1 << WDT_IRQ_NUM)	/* Watchdog Timer interrupt */
288 #define ISR_RTC		(1 << RTC_IRQ_NUM)	/* RTC interrupt */
289 #define	ISR_KB		(1 << KB_IRQ_NUM)	/* Keyboard Interrupt */
290 #define ISR_PWM		(1 << PWM_IRQ_NUM)	/* Pulse-Width Modulator interrupt */
291 #define	ISR_INT0	(1 << INT0_IRQ_NUM)	/* External INT0 */
292 #define	ISR_INT1	(1 << INT1_IRQ_NUM)	/* External INT1 */
293 #define	ISR_INT2	(1 << INT2_IRQ_NUM)	/* External INT2 */
294 #define	ISR_INT3	(1 << INT3_IRQ_NUM)	/* External INT3 */
295 #define ISR_IRQ1	(1 << IRQ1_IRQ_NUM)	/* IRQ1 */
296 #define ISR_IRQ2	(1 << IRQ2_IRQ_NUM)	/* IRQ2 */
297 #define ISR_IRQ3	(1 << IRQ3_IRQ_NUM)	/* IRQ3 */
298 #define ISR_IRQ6	(1 << IRQ6_IRQ_NUM)	/* IRQ6 */
299 #define ISR_IRQ5	(1 << IRQ5_IRQ_NUM)	/* IRQ5 */
300 #define ISR_SAM		(1 << SAM_IRQ_NUM)	/* Sampling Timer for RTC */
301 #define ISR_EMIQ	(1 << EMIQ_IRQ_NUM)	/* Emulator Interrupt */
302 
303 /* '328-compatible definitions */
304 #define ISR_SPIM	ISR_SPI
305 #define ISR_TMR1	ISR_TMR
306 
307 /*
308  * Interrupt Pending Register
309  */
310 #define IPR_ADDR	0xfffff30c
311 #define IPR		LONG_REF(IPR_ADDR)
312 
313 #define IPR_SPI 	(1 << SPI_IRQ_NUM)	/* SPI interrupt */
314 #define	IPR_TMR		(1 << TMR_IRQ_NUM)	/* Timer interrupt */
315 #define IPR_UART	(1 << UART_IRQ_NUM)	/* UART interrupt */
316 #define	IPR_WDT		(1 << WDT_IRQ_NUM)	/* Watchdog Timer interrupt */
317 #define IPR_RTC		(1 << RTC_IRQ_NUM)	/* RTC interrupt */
318 #define	IPR_KB		(1 << KB_IRQ_NUM)	/* Keyboard Interrupt */
319 #define IPR_PWM		(1 << PWM_IRQ_NUM)	/* Pulse-Width Modulator interrupt */
320 #define	IPR_INT0	(1 << INT0_IRQ_NUM)	/* External INT0 */
321 #define	IPR_INT1	(1 << INT1_IRQ_NUM)	/* External INT1 */
322 #define	IPR_INT2	(1 << INT2_IRQ_NUM)	/* External INT2 */
323 #define	IPR_INT3	(1 << INT3_IRQ_NUM)	/* External INT3 */
324 #define IPR_IRQ1	(1 << IRQ1_IRQ_NUM)	/* IRQ1 */
325 #define IPR_IRQ2	(1 << IRQ2_IRQ_NUM)	/* IRQ2 */
326 #define IPR_IRQ3	(1 << IRQ3_IRQ_NUM)	/* IRQ3 */
327 #define IPR_IRQ6	(1 << IRQ6_IRQ_NUM)	/* IRQ6 */
328 #define IPR_IRQ5	(1 << IRQ5_IRQ_NUM)	/* IRQ5 */
329 #define IPR_SAM		(1 << SAM_IRQ_NUM)	/* Sampling Timer for RTC */
330 #define IPR_EMIQ	(1 << EMIQ_IRQ_NUM)	/* Emulator Interrupt */
331 
332 /* '328-compatible definitions */
333 #define IPR_SPIM	IPR_SPI
334 #define IPR_TMR1	IPR_TMR
335 
336 /**********
337  *
338  * 0xFFFFF4xx -- Parallel Ports
339  *
340  **********/
341 
342 /*
343  * Port A
344  */
345 #define PADIR_ADDR	0xfffff400		/* Port A direction reg */
346 #define PADATA_ADDR	0xfffff401		/* Port A data register */
347 #define PAPUEN_ADDR	0xfffff402		/* Port A Pull-Up enable reg */
348 
349 #define PADIR		BYTE_REF(PADIR_ADDR)
350 #define PADATA		BYTE_REF(PADATA_ADDR)
351 #define PAPUEN		BYTE_REF(PAPUEN_ADDR)
352 
353 #define PA(x)		(1 << (x))
354 
355 /*
356  * Port B
357  */
358 #define PBDIR_ADDR	0xfffff408		/* Port B direction reg */
359 #define PBDATA_ADDR	0xfffff409		/* Port B data register */
360 #define PBPUEN_ADDR	0xfffff40a		/* Port B Pull-Up enable reg */
361 #define PBSEL_ADDR	0xfffff40b		/* Port B Select Register */
362 
363 #define PBDIR		BYTE_REF(PBDIR_ADDR)
364 #define PBDATA		BYTE_REF(PBDATA_ADDR)
365 #define PBPUEN		BYTE_REF(PBPUEN_ADDR)
366 #define PBSEL		BYTE_REF(PBSEL_ADDR)
367 
368 #define PB(x)		(1 << (x))
369 
370 #define PB_CSB0		0x01	/* Use CSB0      as PB[0] */
371 #define PB_CSB1		0x02	/* Use CSB1      as PB[1] */
372 #define PB_CSC0_RAS0	0x04    /* Use CSC0/RAS0 as PB[2] */
373 #define PB_CSC1_RAS1	0x08    /* Use CSC1/RAS1 as PB[3] */
374 #define PB_CSD0_CAS0	0x10    /* Use CSD0/CAS0 as PB[4] */
375 #define PB_CSD1_CAS1	0x20    /* Use CSD1/CAS1 as PB[5] */
376 #define PB_TIN_TOUT	0x40	/* Use TIN/TOUT  as PB[6] */
377 #define PB_PWMO		0x80	/* Use PWMO      as PB[7] */
378 
379 /*
380  * Port C
381  */
382 #define PCDIR_ADDR	0xfffff410		/* Port C direction reg */
383 #define PCDATA_ADDR	0xfffff411		/* Port C data register */
384 #define PCPDEN_ADDR	0xfffff412		/* Port C Pull-Down enb. reg */
385 #define PCSEL_ADDR	0xfffff413		/* Port C Select Register */
386 
387 #define PCDIR		BYTE_REF(PCDIR_ADDR)
388 #define PCDATA		BYTE_REF(PCDATA_ADDR)
389 #define PCPDEN		BYTE_REF(PCPDEN_ADDR)
390 #define PCSEL		BYTE_REF(PCSEL_ADDR)
391 
392 #define PC(x)		(1 << (x))
393 
394 #define PC_LD0		0x01	/* Use LD0  as PC[0] */
395 #define PC_LD1		0x02	/* Use LD1  as PC[1] */
396 #define PC_LD2		0x04	/* Use LD2  as PC[2] */
397 #define PC_LD3		0x08	/* Use LD3  as PC[3] */
398 #define PC_LFLM		0x10	/* Use LFLM as PC[4] */
399 #define PC_LLP 		0x20	/* Use LLP  as PC[5] */
400 #define PC_LCLK		0x40	/* Use LCLK as PC[6] */
401 #define PC_LACD		0x80	/* Use LACD as PC[7] */
402 
403 /*
404  * Port D
405  */
406 #define PDDIR_ADDR	0xfffff418		/* Port D direction reg */
407 #define PDDATA_ADDR	0xfffff419		/* Port D data register */
408 #define PDPUEN_ADDR	0xfffff41a		/* Port D Pull-Up enable reg */
409 #define PDSEL_ADDR	0xfffff41b		/* Port D Select Register */
410 #define PDPOL_ADDR	0xfffff41c		/* Port D Polarity Register */
411 #define PDIRQEN_ADDR	0xfffff41d		/* Port D IRQ enable register */
412 #define PDKBEN_ADDR	0xfffff41e		/* Port D Keyboard Enable reg */
413 #define	PDIQEG_ADDR	0xfffff41f		/* Port D IRQ Edge Register */
414 
415 #define PDDIR		BYTE_REF(PDDIR_ADDR)
416 #define PDDATA		BYTE_REF(PDDATA_ADDR)
417 #define PDPUEN		BYTE_REF(PDPUEN_ADDR)
418 #define PDSEL		BYTE_REF(PDSEL_ADDR)
419 #define	PDPOL		BYTE_REF(PDPOL_ADDR)
420 #define PDIRQEN		BYTE_REF(PDIRQEN_ADDR)
421 #define PDKBEN		BYTE_REF(PDKBEN_ADDR)
422 #define PDIQEG		BYTE_REF(PDIQEG_ADDR)
423 
424 #define PD(x)		(1 << (x))
425 
426 #define PD_INT0		0x01	/* Use INT0 as PD[0] */
427 #define PD_INT1		0x02	/* Use INT1 as PD[1] */
428 #define PD_INT2		0x04	/* Use INT2 as PD[2] */
429 #define PD_INT3		0x08	/* Use INT3 as PD[3] */
430 #define PD_IRQ1		0x10	/* Use IRQ1 as PD[4] */
431 #define PD_IRQ2		0x20	/* Use IRQ2 as PD[5] */
432 #define PD_IRQ3		0x40	/* Use IRQ3 as PD[6] */
433 #define PD_IRQ6		0x80	/* Use IRQ6 as PD[7] */
434 
435 /*
436  * Port E
437  */
438 #define PEDIR_ADDR	0xfffff420		/* Port E direction reg */
439 #define PEDATA_ADDR	0xfffff421		/* Port E data register */
440 #define PEPUEN_ADDR	0xfffff422		/* Port E Pull-Up enable reg */
441 #define PESEL_ADDR	0xfffff423		/* Port E Select Register */
442 
443 #define PEDIR		BYTE_REF(PEDIR_ADDR)
444 #define PEDATA		BYTE_REF(PEDATA_ADDR)
445 #define PEPUEN		BYTE_REF(PEPUEN_ADDR)
446 #define PESEL		BYTE_REF(PESEL_ADDR)
447 
448 #define PE(x)		(1 << (x))
449 
450 #define PE_SPMTXD	0x01	/* Use SPMTXD as PE[0] */
451 #define PE_SPMRXD	0x02	/* Use SPMRXD as PE[1] */
452 #define PE_SPMCLK	0x04	/* Use SPMCLK as PE[2] */
453 #define PE_DWE		0x08	/* Use DWE    as PE[3] */
454 #define PE_RXD		0x10	/* Use RXD    as PE[4] */
455 #define PE_TXD		0x20	/* Use TXD    as PE[5] */
456 #define PE_RTS		0x40	/* Use RTS    as PE[6] */
457 #define PE_CTS		0x80	/* Use CTS    as PE[7] */
458 
459 /*
460  * Port F
461  */
462 #define PFDIR_ADDR	0xfffff428		/* Port F direction reg */
463 #define PFDATA_ADDR	0xfffff429		/* Port F data register */
464 #define PFPUEN_ADDR	0xfffff42a		/* Port F Pull-Up enable reg */
465 #define PFSEL_ADDR	0xfffff42b		/* Port F Select Register */
466 
467 #define PFDIR		BYTE_REF(PFDIR_ADDR)
468 #define PFDATA		BYTE_REF(PFDATA_ADDR)
469 #define PFPUEN		BYTE_REF(PFPUEN_ADDR)
470 #define PFSEL		BYTE_REF(PFSEL_ADDR)
471 
472 #define PF(x)		(1 << (x))
473 
474 #define PF_LCONTRAST	0x01	/* Use LCONTRAST as PF[0] */
475 #define PF_IRQ5         0x02    /* Use IRQ5      as PF[1] */
476 #define PF_CLKO         0x04    /* Use CLKO      as PF[2] */
477 #define PF_A20          0x08    /* Use A20       as PF[3] */
478 #define PF_A21          0x10    /* Use A21       as PF[4] */
479 #define PF_A22          0x20    /* Use A22       as PF[5] */
480 #define PF_A23          0x40    /* Use A23       as PF[6] */
481 #define PF_CSA1		0x80    /* Use CSA1      as PF[7] */
482 
483 /*
484  * Port G
485  */
486 #define PGDIR_ADDR	0xfffff430		/* Port G direction reg */
487 #define PGDATA_ADDR	0xfffff431		/* Port G data register */
488 #define PGPUEN_ADDR	0xfffff432		/* Port G Pull-Up enable reg */
489 #define PGSEL_ADDR	0xfffff433		/* Port G Select Register */
490 
491 #define PGDIR		BYTE_REF(PGDIR_ADDR)
492 #define PGDATA		BYTE_REF(PGDATA_ADDR)
493 #define PGPUEN		BYTE_REF(PGPUEN_ADDR)
494 #define PGSEL		BYTE_REF(PGSEL_ADDR)
495 
496 #define PG(x)		(1 << (x))
497 
498 #define PG_BUSW_DTACK	0x01	/* Use BUSW/DTACK as PG[0] */
499 #define PG_A0		0x02	/* Use A0         as PG[1] */
500 #define PG_EMUIRQ	0x04	/* Use EMUIRQ     as PG[2] */
501 #define PG_HIZ_P_D	0x08	/* Use HIZ/P/D    as PG[3] */
502 #define PG_EMUCS        0x10	/* Use EMUCS      as PG[4] */
503 #define PG_EMUBRK	0x20	/* Use EMUBRK     as PG[5] */
504 
505 /**********
506  *
507  * 0xFFFFF5xx -- Pulse-Width Modulator (PWM)
508  *
509  **********/
510 
511 /*
512  * PWM Control Register
513  */
514 #define PWMC_ADDR	0xfffff500
515 #define PWMC		WORD_REF(PWMC_ADDR)
516 
517 #define PWMC_CLKSEL_MASK	0x0003	/* Clock Selection */
518 #define PWMC_CLKSEL_SHIFT	0
519 #define PWMC_REPEAT_MASK	0x000c	/* Sample Repeats */
520 #define PWMC_REPEAT_SHIFT	2
521 #define PWMC_EN			0x0010	/* Enable PWM */
522 #define PMNC_FIFOAV		0x0020	/* FIFO Available */
523 #define PWMC_IRQEN		0x0040	/* Interrupt Request Enable */
524 #define PWMC_IRQ		0x0080	/* Interrupt Request (FIFO empty) */
525 #define PWMC_PRESCALER_MASK	0x7f00	/* Incoming Clock prescaler */
526 #define PWMC_PRESCALER_SHIFT	8
527 #define PWMC_CLKSRC		0x8000	/* Clock Source Select */
528 
529 /* '328-compatible definitions */
530 #define PWMC_PWMEN	PWMC_EN
531 
532 /*
533  * PWM Sample Register
534  */
535 #define PWMS_ADDR	0xfffff502
536 #define PWMS		WORD_REF(PWMS_ADDR)
537 
538 /*
539  * PWM Period Register
540  */
541 #define PWMP_ADDR	0xfffff504
542 #define PWMP		BYTE_REF(PWMP_ADDR)
543 
544 /*
545  * PWM Counter Register
546  */
547 #define PWMCNT_ADDR	0xfffff505
548 #define PWMCNT		BYTE_REF(PWMCNT_ADDR)
549 
550 /**********
551  *
552  * 0xFFFFF6xx -- General-Purpose Timer
553  *
554  **********/
555 
556 /*
557  * Timer Control register
558  */
559 #define TCTL_ADDR	0xfffff600
560 #define TCTL		WORD_REF(TCTL_ADDR)
561 
562 #define	TCTL_TEN		0x0001	/* Timer Enable  */
563 #define TCTL_CLKSOURCE_MASK 	0x000e	/* Clock Source: */
564 #define   TCTL_CLKSOURCE_STOP	   0x0000	/* Stop count (disabled)    */
565 #define   TCTL_CLKSOURCE_SYSCLK	   0x0002	/* SYSCLK to prescaler      */
566 #define   TCTL_CLKSOURCE_SYSCLK_16 0x0004	/* SYSCLK/16 to prescaler   */
567 #define   TCTL_CLKSOURCE_TIN	   0x0006	/* TIN to prescaler         */
568 #define   TCTL_CLKSOURCE_32KHZ	   0x0008	/* 32kHz clock to prescaler */
569 #define TCTL_IRQEN		0x0010	/* IRQ Enable    */
570 #define TCTL_OM			0x0020	/* Output Mode   */
571 #define TCTL_CAP_MASK		0x00c0	/* Capture Edge: */
572 #define	  TCTL_CAP_RE		0x0040		/* Capture on rizing edge   */
573 #define   TCTL_CAP_FE		0x0080		/* Capture on falling edge  */
574 #define TCTL_FRR		0x0010	/* Free-Run Mode */
575 
576 /* '328-compatible definitions */
577 #define TCTL1_ADDR	TCTL_ADDR
578 #define TCTL1		TCTL
579 
580 /*
581  * Timer Prescaler Register
582  */
583 #define TPRER_ADDR	0xfffff602
584 #define TPRER		WORD_REF(TPRER_ADDR)
585 
586 /* '328-compatible definitions */
587 #define TPRER1_ADDR	TPRER_ADDR
588 #define TPRER1		TPRER
589 
590 /*
591  * Timer Compare Register
592  */
593 #define TCMP_ADDR	0xfffff604
594 #define TCMP		WORD_REF(TCMP_ADDR)
595 
596 /* '328-compatible definitions */
597 #define TCMP1_ADDR	TCMP_ADDR
598 #define TCMP1		TCMP
599 
600 /*
601  * Timer Capture register
602  */
603 #define TCR_ADDR	0xfffff606
604 #define TCR		WORD_REF(TCR_ADDR)
605 
606 /* '328-compatible definitions */
607 #define TCR1_ADDR	TCR_ADDR
608 #define TCR1		TCR
609 
610 /*
611  * Timer Counter Register
612  */
613 #define TCN_ADDR	0xfffff608
614 #define TCN		WORD_REF(TCN_ADDR)
615 
616 /* '328-compatible definitions */
617 #define TCN1_ADDR	TCN_ADDR
618 #define TCN1		TCN
619 
620 /*
621  * Timer Status Register
622  */
623 #define TSTAT_ADDR	0xfffff60a
624 #define TSTAT		WORD_REF(TSTAT_ADDR)
625 
626 #define TSTAT_COMP	0x0001		/* Compare Event occurred */
627 #define TSTAT_CAPT	0x0001		/* Capture Event occurred */
628 
629 /* '328-compatible definitions */
630 #define TSTAT1_ADDR	TSTAT_ADDR
631 #define TSTAT1		TSTAT
632 
633 /**********
634  *
635  * 0xFFFFF8xx -- Serial Peripheral Interface Master (SPIM)
636  *
637  **********/
638 
639 /*
640  * SPIM Data Register
641  */
642 #define SPIMDATA_ADDR	0xfffff800
643 #define SPIMDATA	WORD_REF(SPIMDATA_ADDR)
644 
645 /*
646  * SPIM Control/Status Register
647  */
648 #define SPIMCONT_ADDR	0xfffff802
649 #define SPIMCONT	WORD_REF(SPIMCONT_ADDR)
650 
651 #define SPIMCONT_BIT_COUNT_MASK	 0x000f	/* Transfer Length in Bytes */
652 #define SPIMCONT_BIT_COUNT_SHIFT 0
653 #define SPIMCONT_POL		 0x0010	/* SPMCLK Signel Polarity */
654 #define	SPIMCONT_PHA		 0x0020	/* Clock/Data phase relationship */
655 #define SPIMCONT_IRQEN		 0x0040 /* IRQ Enable */
656 #define SPIMCONT_IRQ		 0x0080	/* Interrupt Request */
657 #define SPIMCONT_XCH		 0x0100	/* Exchange */
658 #define SPIMCONT_ENABLE		 0x0200	/* Enable SPIM */
659 #define SPIMCONT_DATA_RATE_MASK	 0xe000	/* SPIM Data Rate */
660 #define SPIMCONT_DATA_RATE_SHIFT 13
661 
662 /* '328-compatible definitions */
663 #define SPIMCONT_SPIMIRQ	SPIMCONT_IRQ
664 #define SPIMCONT_SPIMEN		SPIMCONT_ENABLE
665 
666 /**********
667  *
668  * 0xFFFFF9xx -- UART
669  *
670  **********/
671 
672 /*
673  * UART Status/Control Register
674  */
675 #define USTCNT_ADDR	0xfffff900
676 #define USTCNT		WORD_REF(USTCNT_ADDR)
677 
678 #define USTCNT_TXAE	0x0001	/* Transmitter Available Interrupt Enable */
679 #define USTCNT_TXHE	0x0002	/* Transmitter Half Empty Enable */
680 #define USTCNT_TXEE	0x0004	/* Transmitter Empty Interrupt Enable */
681 #define USTCNT_RXRE	0x0008	/* Receiver Ready Interrupt Enable */
682 #define USTCNT_RXHE	0x0010	/* Receiver Half-Full Interrupt Enable */
683 #define USTCNT_RXFE	0x0020	/* Receiver Full Interrupt Enable */
684 #define USTCNT_CTSD	0x0040	/* CTS Delta Interrupt Enable */
685 #define USTCNT_ODEN	0x0080	/* Old Data Interrupt Enable */
686 #define USTCNT_8_7	0x0100	/* Eight or seven-bit transmission */
687 #define USTCNT_STOP	0x0200	/* Stop bit transmission */
688 #define USTCNT_ODD	0x0400	/* Odd Parity */
689 #define	USTCNT_PEN	0x0800	/* Parity Enable */
690 #define USTCNT_CLKM	0x1000	/* Clock Mode Select */
691 #define	USTCNT_TXEN	0x2000	/* Transmitter Enable */
692 #define USTCNT_RXEN	0x4000	/* Receiver Enable */
693 #define USTCNT_UEN	0x8000	/* UART Enable */
694 
695 /* '328-compatible definitions */
696 #define USTCNT_TXAVAILEN	USTCNT_TXAE
697 #define USTCNT_TXHALFEN		USTCNT_TXHE
698 #define USTCNT_TXEMPTYEN	USTCNT_TXEE
699 #define USTCNT_RXREADYEN	USTCNT_RXRE
700 #define USTCNT_RXHALFEN		USTCNT_RXHE
701 #define USTCNT_RXFULLEN		USTCNT_RXFE
702 #define USTCNT_CTSDELTAEN	USTCNT_CTSD
703 #define USTCNT_ODD_EVEN		USTCNT_ODD
704 #define USTCNT_PARITYEN		USTCNT_PEN
705 #define USTCNT_CLKMODE		USTCNT_CLKM
706 #define USTCNT_UARTEN		USTCNT_UEN
707 
708 /*
709  * UART Baud Control Register
710  */
711 #define UBAUD_ADDR	0xfffff902
712 #define UBAUD		WORD_REF(UBAUD_ADDR)
713 
714 #define UBAUD_PRESCALER_MASK	0x003f	/* Actual divisor is 65 - PRESCALER */
715 #define UBAUD_PRESCALER_SHIFT	0
716 #define UBAUD_DIVIDE_MASK	0x0700	/* Baud Rate freq. divisor */
717 #define UBAUD_DIVIDE_SHIFT	8
718 #define UBAUD_BAUD_SRC		0x0800	/* Baud Rate Source */
719 #define UBAUD_UCLKDIR		0x2000	/* UCLK Direction */
720 
721 /*
722  * UART Receiver Register
723  */
724 #define URX_ADDR	0xfffff904
725 #define URX		WORD_REF(URX_ADDR)
726 
727 #define URX_RXDATA_ADDR	0xfffff905
728 #define URX_RXDATA	BYTE_REF(URX_RXDATA_ADDR)
729 
730 #define URX_RXDATA_MASK	 0x00ff	/* Received data */
731 #define URX_RXDATA_SHIFT 0
732 #define URX_PARITY_ERROR 0x0100	/* Parity Error */
733 #define URX_BREAK	 0x0200	/* Break Detected */
734 #define URX_FRAME_ERROR	 0x0400	/* Framing Error */
735 #define URX_OVRUN	 0x0800	/* Serial Overrun */
736 #define URX_OLD_DATA	 0x1000	/* Old data in FIFO */
737 #define URX_DATA_READY	 0x2000	/* Data Ready (FIFO not empty) */
738 #define URX_FIFO_HALF	 0x4000 /* FIFO is Half-Full */
739 #define URX_FIFO_FULL	 0x8000	/* FIFO is Full */
740 
741 /*
742  * UART Transmitter Register
743  */
744 #define UTX_ADDR	0xfffff906
745 #define UTX		WORD_REF(UTX_ADDR)
746 
747 #define UTX_TXDATA_ADDR	0xfffff907
748 #define UTX_TXDATA	BYTE_REF(UTX_TXDATA_ADDR)
749 
750 #define UTX_TXDATA_MASK	 0x00ff	/* Data to be transmitted */
751 #define UTX_TXDATA_SHIFT 0
752 #define UTX_CTS_DELTA	 0x0100	/* CTS changed */
753 #define UTX_CTS_STAT	 0x0200	/* CTS State */
754 #define	UTX_BUSY	 0x0400	/* FIFO is busy, sending a character */
755 #define	UTX_NOCTS	 0x0800	/* Ignore CTS */
756 #define UTX_SEND_BREAK	 0x1000	/* Send a BREAK */
757 #define UTX_TX_AVAIL	 0x2000	/* Transmit FIFO has a slot available */
758 #define UTX_FIFO_HALF	 0x4000	/* Transmit FIFO is half empty */
759 #define UTX_FIFO_EMPTY	 0x8000	/* Transmit FIFO is empty */
760 
761 /* '328-compatible definitions */
762 #define UTX_CTS_STATUS	UTX_CTS_STAT
763 #define UTX_IGNORE_CTS	UTX_NOCTS
764 
765 /*
766  * UART Miscellaneous Register
767  */
768 #define UMISC_ADDR	0xfffff908
769 #define UMISC		WORD_REF(UMISC_ADDR)
770 
771 #define UMISC_TX_POL	 0x0004	/* Transmit Polarity */
772 #define UMISC_RX_POL	 0x0008	/* Receive Polarity */
773 #define UMISC_IRDA_LOOP	 0x0010	/* IrDA Loopback Enable */
774 #define UMISC_IRDA_EN	 0x0020	/* Infra-Red Enable */
775 #define UMISC_RTS	 0x0040	/* Set RTS status */
776 #define UMISC_RTSCONT	 0x0080	/* Choose RTS control */
777 #define UMISC_IR_TEST	 0x0400	/* IRDA Test Enable */
778 #define UMISC_BAUD_RESET 0x0800	/* Reset Baud Rate Generation Counters */
779 #define UMISC_LOOP	 0x1000	/* Serial Loopback Enable */
780 #define UMISC_FORCE_PERR 0x2000	/* Force Parity Error */
781 #define UMISC_CLKSRC	 0x4000	/* Clock Source */
782 #define UMISC_BAUD_TEST	 0x8000	/* Enable Baud Test Mode */
783 
784 /*
785  * UART Non-integer Prescaler Register
786  */
787 #define NIPR_ADDR	0xfffff90a
788 #define NIPR		WORD_REF(NIPR_ADDR)
789 
790 #define NIPR_STEP_VALUE_MASK	0x00ff	/* NI prescaler step value */
791 #define NIPR_STEP_VALUE_SHIFT	0
792 #define NIPR_SELECT_MASK	0x0700	/* Tap Selection */
793 #define NIPR_SELECT_SHIFT	8
794 #define NIPR_PRE_SEL		0x8000	/* Non-integer prescaler select */
795 
796 
797 /* generalization of uart control registers to support multiple ports: */
798 typedef volatile struct {
799   volatile unsigned short int ustcnt;
800   volatile unsigned short int ubaud;
801   union {
802     volatile unsigned short int w;
803     struct {
804       volatile unsigned char status;
805       volatile unsigned char rxdata;
806     } b;
807   } urx;
808   union {
809     volatile unsigned short int w;
810     struct {
811       volatile unsigned char status;
812       volatile unsigned char txdata;
813     } b;
814   } utx;
815   volatile unsigned short int umisc;
816   volatile unsigned short int nipr;
817   volatile unsigned short int pad1;
818   volatile unsigned short int pad2;
819 } __packed m68328_uart;
820 
821 
822 /**********
823  *
824  * 0xFFFFFAxx -- LCD Controller
825  *
826  **********/
827 
828 /*
829  * LCD Screen Starting Address Register
830  */
831 #define LSSA_ADDR	0xfffffa00
832 #define LSSA		LONG_REF(LSSA_ADDR)
833 
834 #define LSSA_SSA_MASK	0x1ffffffe	/* Bits 0 and 29-31 are reserved */
835 
836 /*
837  * LCD Virtual Page Width Register
838  */
839 #define LVPW_ADDR	0xfffffa05
840 #define LVPW		BYTE_REF(LVPW_ADDR)
841 
842 /*
843  * LCD Screen Width Register (not compatible with '328 !!!)
844  */
845 #define LXMAX_ADDR	0xfffffa08
846 #define LXMAX		WORD_REF(LXMAX_ADDR)
847 
848 #define LXMAX_XM_MASK	0x02f0		/* Bits 0-3 and 10-15 are reserved */
849 
850 /*
851  * LCD Screen Height Register
852  */
853 #define LYMAX_ADDR	0xfffffa0a
854 #define LYMAX		WORD_REF(LYMAX_ADDR)
855 
856 #define LYMAX_YM_MASK	0x01ff		/* Bits 9-15 are reserved */
857 
858 /*
859  * LCD Cursor X Position Register
860  */
861 #define LCXP_ADDR	0xfffffa18
862 #define LCXP		WORD_REF(LCXP_ADDR)
863 
864 #define LCXP_CC_MASK	0xc000		/* Cursor Control */
865 #define   LCXP_CC_TRAMSPARENT	0x0000
866 #define   LCXP_CC_BLACK		0x4000
867 #define   LCXP_CC_REVERSED	0x8000
868 #define   LCXP_CC_WHITE		0xc000
869 #define LCXP_CXP_MASK	0x02ff		/* Cursor X position */
870 
871 /*
872  * LCD Cursor Y Position Register
873  */
874 #define LCYP_ADDR	0xfffffa1a
875 #define LCYP		WORD_REF(LCYP_ADDR)
876 
877 #define LCYP_CYP_MASK	0x01ff		/* Cursor Y Position */
878 
879 /*
880  * LCD Cursor Width and Heigth Register
881  */
882 #define LCWCH_ADDR	0xfffffa1c
883 #define LCWCH		WORD_REF(LCWCH_ADDR)
884 
885 #define LCWCH_CH_MASK	0x001f		/* Cursor Height */
886 #define LCWCH_CH_SHIFT	0
887 #define LCWCH_CW_MASK	0x1f00		/* Cursor Width */
888 #define LCWCH_CW_SHIFT	8
889 
890 /*
891  * LCD Blink Control Register
892  */
893 #define LBLKC_ADDR	0xfffffa1f
894 #define LBLKC		BYTE_REF(LBLKC_ADDR)
895 
896 #define LBLKC_BD_MASK	0x7f	/* Blink Divisor */
897 #define LBLKC_BD_SHIFT	0
898 #define LBLKC_BKEN	0x80	/* Blink Enabled */
899 
900 /*
901  * LCD Panel Interface Configuration Register
902  */
903 #define LPICF_ADDR	0xfffffa20
904 #define LPICF		BYTE_REF(LPICF_ADDR)
905 
906 #define LPICF_GS_MASK	 0x03	 /* Gray-Scale Mode */
907 #define	  LPICF_GS_BW	   0x00
908 #define   LPICF_GS_GRAY_4  0x01
909 #define   LPICF_GS_GRAY_16 0x02
910 #define LPICF_PBSIZ_MASK 0x0c	/* Panel Bus Width */
911 #define   LPICF_PBSIZ_1	   0x00
912 #define   LPICF_PBSIZ_2    0x04
913 #define   LPICF_PBSIZ_4    0x08
914 
915 /*
916  * LCD Polarity Configuration Register
917  */
918 #define LPOLCF_ADDR	0xfffffa21
919 #define LPOLCF		BYTE_REF(LPOLCF_ADDR)
920 
921 #define LPOLCF_PIXPOL	0x01	/* Pixel Polarity */
922 #define LPOLCF_LPPOL	0x02	/* Line Pulse Polarity */
923 #define LPOLCF_FLMPOL	0x04	/* Frame Marker Polarity */
924 #define LPOLCF_LCKPOL	0x08	/* LCD Shift Lock Polarity */
925 
926 /*
927  * LACD (LCD Alternate Crystal Direction) Rate Control Register
928  */
929 #define LACDRC_ADDR	0xfffffa23
930 #define LACDRC		BYTE_REF(LACDRC_ADDR)
931 
932 #define LACDRC_ACDSLT	 0x80	/* Signal Source Select */
933 #define LACDRC_ACD_MASK	 0x0f	/* Alternate Crystal Direction Control */
934 #define LACDRC_ACD_SHIFT 0
935 
936 /*
937  * LCD Pixel Clock Divider Register
938  */
939 #define LPXCD_ADDR	0xfffffa25
940 #define LPXCD		BYTE_REF(LPXCD_ADDR)
941 
942 #define	LPXCD_PCD_MASK	0x3f 	/* Pixel Clock Divider */
943 #define LPXCD_PCD_SHIFT	0
944 
945 /*
946  * LCD Clocking Control Register
947  */
948 #define LCKCON_ADDR	0xfffffa27
949 #define LCKCON		BYTE_REF(LCKCON_ADDR)
950 
951 #define LCKCON_DWS_MASK	 0x0f	/* Display Wait-State */
952 #define LCKCON_DWS_SHIFT 0
953 #define LCKCON_DWIDTH	 0x40	/* Display Memory Width  */
954 #define LCKCON_LCDON	 0x80	/* Enable LCD Controller */
955 
956 /* '328-compatible definitions */
957 #define LCKCON_DW_MASK  LCKCON_DWS_MASK
958 #define LCKCON_DW_SHIFT LCKCON_DWS_SHIFT
959 
960 /*
961  * LCD Refresh Rate Adjustment Register
962  */
963 #define LRRA_ADDR	0xfffffa29
964 #define LRRA		BYTE_REF(LRRA_ADDR)
965 
966 /*
967  * LCD Panning Offset Register
968  */
969 #define LPOSR_ADDR	0xfffffa2d
970 #define LPOSR		BYTE_REF(LPOSR_ADDR)
971 
972 #define LPOSR_POS_MASK	0x0f	/* Pixel Offset Code */
973 #define LPOSR_POS_SHIFT	0
974 
975 /*
976  * LCD Frame Rate Control Modulation Register
977  */
978 #define LFRCM_ADDR	0xfffffa31
979 #define LFRCM		BYTE_REF(LFRCM_ADDR)
980 
981 #define LFRCM_YMOD_MASK	 0x0f	/* Vertical Modulation */
982 #define LFRCM_YMOD_SHIFT 0
983 #define LFRCM_XMOD_MASK	 0xf0	/* Horizontal Modulation */
984 #define LFRCM_XMOD_SHIFT 4
985 
986 /*
987  * LCD Gray Palette Mapping Register
988  */
989 #define LGPMR_ADDR	0xfffffa33
990 #define LGPMR		BYTE_REF(LGPMR_ADDR)
991 
992 #define LGPMR_G1_MASK	0x0f
993 #define LGPMR_G1_SHIFT	0
994 #define LGPMR_G2_MASK	0xf0
995 #define LGPMR_G2_SHIFT	4
996 
997 /*
998  * PWM Contrast Control Register
999  */
1000 #define PWMR_ADDR	0xfffffa36
1001 #define PWMR		WORD_REF(PWMR_ADDR)
1002 
1003 #define PWMR_PW_MASK	0x00ff	/* Pulse Width */
1004 #define PWMR_PW_SHIFT	0
1005 #define PWMR_CCPEN	0x0100	/* Contrast Control Enable */
1006 #define PWMR_SRC_MASK	0x0600	/* Input Clock Source */
1007 #define   PWMR_SRC_LINE	  0x0000	/* Line Pulse  */
1008 #define   PWMR_SRC_PIXEL  0x0200	/* Pixel Clock */
1009 #define   PWMR_SRC_LCD    0x4000	/* LCD clock   */
1010 
1011 /**********
1012  *
1013  * 0xFFFFFBxx -- Real-Time Clock (RTC)
1014  *
1015  **********/
1016 
1017 /*
1018  * RTC Hours Minutes and Seconds Register
1019  */
1020 #define RTCTIME_ADDR	0xfffffb00
1021 #define RTCTIME		LONG_REF(RTCTIME_ADDR)
1022 
1023 #define RTCTIME_SECONDS_MASK	0x0000003f	/* Seconds */
1024 #define RTCTIME_SECONDS_SHIFT	0
1025 #define RTCTIME_MINUTES_MASK	0x003f0000	/* Minutes */
1026 #define RTCTIME_MINUTES_SHIFT	16
1027 #define RTCTIME_HOURS_MASK	0x1f000000	/* Hours */
1028 #define RTCTIME_HOURS_SHIFT	24
1029 
1030 /*
1031  *  RTC Alarm Register
1032  */
1033 #define RTCALRM_ADDR    0xfffffb04
1034 #define RTCALRM         LONG_REF(RTCALRM_ADDR)
1035 
1036 #define RTCALRM_SECONDS_MASK    0x0000003f      /* Seconds */
1037 #define RTCALRM_SECONDS_SHIFT   0
1038 #define RTCALRM_MINUTES_MASK    0x003f0000      /* Minutes */
1039 #define RTCALRM_MINUTES_SHIFT   16
1040 #define RTCALRM_HOURS_MASK      0x1f000000      /* Hours */
1041 #define RTCALRM_HOURS_SHIFT     24
1042 
1043 /*
1044  * Watchdog Timer Register
1045  */
1046 #define WATCHDOG_ADDR	0xfffffb0a
1047 #define WATCHDOG	WORD_REF(WATCHDOG_ADDR)
1048 
1049 #define WATCHDOG_EN	0x0001	/* Watchdog Enabled */
1050 #define WATCHDOG_ISEL	0x0002	/* Select the watchdog interrupt */
1051 #define WATCHDOG_INTF	0x0080	/* Watchdog interrupt occurred */
1052 #define WATCHDOG_CNT_MASK  0x0300	/* Watchdog Counter */
1053 #define WATCHDOG_CNT_SHIFT 8
1054 
1055 /*
1056  * RTC Control Register
1057  */
1058 #define RTCCTL_ADDR	0xfffffb0c
1059 #define RTCCTL		WORD_REF(RTCCTL_ADDR)
1060 
1061 #define RTCCTL_XTL	0x0020	/* Crystal Selection */
1062 #define RTCCTL_EN	0x0080	/* RTC Enable */
1063 
1064 /* '328-compatible definitions */
1065 #define RTCCTL_384	RTCCTL_XTL
1066 #define RTCCTL_ENABLE	RTCCTL_EN
1067 
1068 /*
1069  * RTC Interrupt Status Register
1070  */
1071 #define RTCISR_ADDR	0xfffffb0e
1072 #define RTCISR		WORD_REF(RTCISR_ADDR)
1073 
1074 #define RTCISR_SW	0x0001	/* Stopwatch timed out */
1075 #define RTCISR_MIN	0x0002	/* 1-minute interrupt has occurred */
1076 #define RTCISR_ALM	0x0004	/* Alarm interrupt has occurred */
1077 #define RTCISR_DAY	0x0008	/* 24-hour rollover interrupt has occurred */
1078 #define RTCISR_1HZ	0x0010	/* 1Hz interrupt has occurred */
1079 #define RTCISR_HR	0x0020	/* 1-hour interrupt has occurred */
1080 #define RTCISR_SAM0	0x0100	/*   4Hz /   4.6875Hz interrupt has occurred */
1081 #define RTCISR_SAM1	0x0200	/*   8Hz /   9.3750Hz interrupt has occurred */
1082 #define RTCISR_SAM2	0x0400	/*  16Hz /  18.7500Hz interrupt has occurred */
1083 #define RTCISR_SAM3	0x0800	/*  32Hz /  37.5000Hz interrupt has occurred */
1084 #define RTCISR_SAM4	0x1000	/*  64Hz /  75.0000Hz interrupt has occurred */
1085 #define RTCISR_SAM5	0x2000	/* 128Hz / 150.0000Hz interrupt has occurred */
1086 #define RTCISR_SAM6	0x4000	/* 256Hz / 300.0000Hz interrupt has occurred */
1087 #define RTCISR_SAM7	0x8000	/* 512Hz / 600.0000Hz interrupt has occurred */
1088 
1089 /*
1090  * RTC Interrupt Enable Register
1091  */
1092 #define RTCIENR_ADDR	0xfffffb10
1093 #define RTCIENR		WORD_REF(RTCIENR_ADDR)
1094 
1095 #define RTCIENR_SW	0x0001	/* Stopwatch interrupt enable */
1096 #define RTCIENR_MIN	0x0002	/* 1-minute interrupt enable */
1097 #define RTCIENR_ALM	0x0004	/* Alarm interrupt enable */
1098 #define RTCIENR_DAY	0x0008	/* 24-hour rollover interrupt enable */
1099 #define RTCIENR_1HZ	0x0010	/* 1Hz interrupt enable */
1100 #define RTCIENR_HR	0x0020	/* 1-hour interrupt enable */
1101 #define RTCIENR_SAM0	0x0100	/*   4Hz /   4.6875Hz interrupt enable */
1102 #define RTCIENR_SAM1	0x0200	/*   8Hz /   9.3750Hz interrupt enable */
1103 #define RTCIENR_SAM2	0x0400	/*  16Hz /  18.7500Hz interrupt enable */
1104 #define RTCIENR_SAM3	0x0800	/*  32Hz /  37.5000Hz interrupt enable */
1105 #define RTCIENR_SAM4	0x1000	/*  64Hz /  75.0000Hz interrupt enable */
1106 #define RTCIENR_SAM5	0x2000	/* 128Hz / 150.0000Hz interrupt enable */
1107 #define RTCIENR_SAM6	0x4000	/* 256Hz / 300.0000Hz interrupt enable */
1108 #define RTCIENR_SAM7	0x8000	/* 512Hz / 600.0000Hz interrupt enable */
1109 
1110 /*
1111  * Stopwatch Minutes Register
1112  */
1113 #define STPWCH_ADDR	0xfffffb12
1114 #define STPWCH		WORD_REF(STPWCH)
1115 
1116 #define STPWCH_CNT_MASK	 0x003f	/* Stopwatch countdown value */
1117 #define SPTWCH_CNT_SHIFT 0
1118 
1119 /*
1120  * RTC Day Count Register
1121  */
1122 #define DAYR_ADDR	0xfffffb1a
1123 #define DAYR		WORD_REF(DAYR_ADDR)
1124 
1125 #define DAYR_DAYS_MASK	0x1ff	/* Day Setting */
1126 #define DAYR_DAYS_SHIFT 0
1127 
1128 /*
1129  * RTC Day Alarm Register
1130  */
1131 #define DAYALARM_ADDR	0xfffffb1c
1132 #define DAYALARM	WORD_REF(DAYALARM_ADDR)
1133 
1134 #define DAYALARM_DAYSAL_MASK	0x01ff	/* Day Setting of the Alarm */
1135 #define DAYALARM_DAYSAL_SHIFT 	0
1136 
1137 /**********
1138  *
1139  * 0xFFFFFCxx -- DRAM Controller
1140  *
1141  **********/
1142 
1143 /*
1144  * DRAM Memory Configuration Register
1145  */
1146 #define DRAMMC_ADDR	0xfffffc00
1147 #define DRAMMC		WORD_REF(DRAMMC_ADDR)
1148 
1149 #define DRAMMC_ROW12_MASK	0xc000	/* Row address bit for MD12 */
1150 #define   DRAMMC_ROW12_PA10	0x0000
1151 #define   DRAMMC_ROW12_PA21	0x4000
1152 #define   DRAMMC_ROW12_PA23	0x8000
1153 #define	DRAMMC_ROW0_MASK	0x3000	/* Row address bit for MD0 */
1154 #define	  DRAMMC_ROW0_PA11	0x0000
1155 #define   DRAMMC_ROW0_PA22	0x1000
1156 #define   DRAMMC_ROW0_PA23	0x2000
1157 #define DRAMMC_ROW11		0x0800	/* Row address bit for MD11 PA20/PA22 */
1158 #define DRAMMC_ROW10		0x0400	/* Row address bit for MD10 PA19/PA21 */
1159 #define	DRAMMC_ROW9		0x0200	/* Row address bit for MD9  PA9/PA19  */
1160 #define DRAMMC_ROW8		0x0100	/* Row address bit for MD8  PA10/PA20 */
1161 #define DRAMMC_COL10		0x0080	/* Col address bit for MD10 PA11/PA0  */
1162 #define DRAMMC_COL9		0x0040	/* Col address bit for MD9  PA10/PA0  */
1163 #define DRAMMC_COL8		0x0020	/* Col address bit for MD8  PA9/PA0   */
1164 #define DRAMMC_REF_MASK		0x001f	/* Refresh Cycle */
1165 #define DRAMMC_REF_SHIFT	0
1166 
1167 /*
1168  * DRAM Control Register
1169  */
1170 #define DRAMC_ADDR	0xfffffc02
1171 #define DRAMC		WORD_REF(DRAMC_ADDR)
1172 
1173 #define DRAMC_DWE	   0x0001	/* DRAM Write Enable */
1174 #define DRAMC_RST	   0x0002	/* Reset Burst Refresh Enable */
1175 #define DRAMC_LPR	   0x0004	/* Low-Power Refresh Enable */
1176 #define DRAMC_SLW	   0x0008	/* Slow RAM */
1177 #define DRAMC_LSP	   0x0010	/* Light Sleep */
1178 #define DRAMC_MSW	   0x0020	/* Slow Multiplexing */
1179 #define DRAMC_WS_MASK	   0x00c0	/* Wait-states */
1180 #define DRAMC_WS_SHIFT	   6
1181 #define DRAMC_PGSZ_MASK    0x0300	/* Page Size for fast page mode */
1182 #define DRAMC_PGSZ_SHIFT   8
1183 #define   DRAMC_PGSZ_256K  0x0000
1184 #define   DRAMC_PGSZ_512K  0x0100
1185 #define   DRAMC_PGSZ_1024K 0x0200
1186 #define	  DRAMC_PGSZ_2048K 0x0300
1187 #define DRAMC_EDO	   0x0400	/* EDO DRAM */
1188 #define DRAMC_CLK	   0x0800	/* Refresh Timer Clock source select */
1189 #define DRAMC_BC_MASK	   0x3000	/* Page Access Clock Cycle (FP mode) */
1190 #define DRAMC_BC_SHIFT	   12
1191 #define DRAMC_RM	   0x4000	/* Refresh Mode */
1192 #define DRAMC_EN	   0x8000	/* DRAM Controller enable */
1193 
1194 
1195 /**********
1196  *
1197  * 0xFFFFFDxx -- In-Circuit Emulation (ICE)
1198  *
1199  **********/
1200 
1201 /*
1202  * ICE Module Address Compare Register
1203  */
1204 #define ICEMACR_ADDR	0xfffffd00
1205 #define ICEMACR		LONG_REF(ICEMACR_ADDR)
1206 
1207 /*
1208  * ICE Module Address Mask Register
1209  */
1210 #define ICEMAMR_ADDR	0xfffffd04
1211 #define ICEMAMR		LONG_REF(ICEMAMR_ADDR)
1212 
1213 /*
1214  * ICE Module Control Compare Register
1215  */
1216 #define ICEMCCR_ADDR	0xfffffd08
1217 #define ICEMCCR		WORD_REF(ICEMCCR_ADDR)
1218 
1219 #define ICEMCCR_PD	0x0001	/* Program/Data Cycle Selection */
1220 #define ICEMCCR_RW	0x0002	/* Read/Write Cycle Selection */
1221 
1222 /*
1223  * ICE Module Control Mask Register
1224  */
1225 #define ICEMCMR_ADDR	0xfffffd0a
1226 #define ICEMCMR		WORD_REF(ICEMCMR_ADDR)
1227 
1228 #define ICEMCMR_PDM	0x0001	/* Program/Data Cycle Mask */
1229 #define ICEMCMR_RWM	0x0002	/* Read/Write Cycle Mask */
1230 
1231 /*
1232  * ICE Module Control Register
1233  */
1234 #define ICEMCR_ADDR	0xfffffd0c
1235 #define ICEMCR		WORD_REF(ICEMCR_ADDR)
1236 
1237 #define ICEMCR_CEN	0x0001	/* Compare Enable */
1238 #define ICEMCR_PBEN	0x0002	/* Program Break Enable */
1239 #define ICEMCR_SB	0x0004	/* Single Breakpoint */
1240 #define ICEMCR_HMDIS	0x0008	/* HardMap disable */
1241 #define ICEMCR_BBIEN	0x0010	/* Bus Break Interrupt Enable */
1242 
1243 /*
1244  * ICE Module Status Register
1245  */
1246 #define ICEMSR_ADDR	0xfffffd0e
1247 #define ICEMSR		WORD_REF(ICEMSR_ADDR)
1248 
1249 #define ICEMSR_EMUEN	0x0001	/* Emulation Enable */
1250 #define ICEMSR_BRKIRQ	0x0002	/* A-Line Vector Fetch Detected */
1251 #define ICEMSR_BBIRQ	0x0004	/* Bus Break Interrupt Detected */
1252 #define ICEMSR_EMIRQ	0x0008	/* EMUIRQ Falling Edge Detected */
1253 
1254 #endif /* _MC68EZ328_H_ */
1255