xref: /openbmc/linux/arch/m68k/include/asm/MC68EZ328.h (revision 2a598d0b)
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: */
799 typedef 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