xref: /openbmc/linux/arch/m68k/include/asm/MC68EZ328.h (revision b627b4ed)
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 
13 #ifndef _MC68EZ328_H_
14 #define _MC68EZ328_H_
15 
16 #define BYTE_REF(addr) (*((volatile unsigned char*)addr))
17 #define WORD_REF(addr) (*((volatile unsigned short*)addr))
18 #define LONG_REF(addr) (*((volatile unsigned long*)addr))
19 
20 #define PUT_FIELD(field, val) (((val) << field##_SHIFT) & field##_MASK)
21 #define GET_FIELD(reg, field) (((reg) & field##_MASK) >> field##_SHIFT)
22 
23 /**********
24  *
25  * 0xFFFFF0xx -- System Control
26  *
27  **********/
28 
29 /*
30  * System Control Register (SCR)
31  */
32 #define SCR_ADDR	0xfffff000
33 #define SCR		BYTE_REF(SCR_ADDR)
34 
35 #define SCR_WDTH8	0x01	/* 8-Bit Width Select */
36 #define SCR_DMAP	0x04	/* Double Map */
37 #define SCR_SO		0x08	/* Supervisor Only */
38 #define SCR_BETEN	0x10	/* Bus-Error Time-Out Enable */
39 #define SCR_PRV		0x20	/* Privilege Violation */
40 #define SCR_WPV		0x40	/* Write Protect Violation */
41 #define SCR_BETO	0x80	/* Bus-Error TimeOut */
42 
43 /*
44  * Silicon ID Register (Mask Revision Register (MRR) for '328 Compatibility)
45  */
46 #define MRR_ADDR 0xfffff004
47 #define MRR	 LONG_REF(MRR_ADDR)
48 
49 /**********
50  *
51  * 0xFFFFF1xx -- Chip-Select logic
52  *
53  **********/
54 
55 /*
56  * Chip Select Group Base Registers
57  */
58 #define CSGBA_ADDR	0xfffff100
59 #define CSGBB_ADDR	0xfffff102
60 
61 #define CSGBC_ADDR	0xfffff104
62 #define CSGBD_ADDR	0xfffff106
63 
64 #define CSGBA		WORD_REF(CSGBA_ADDR)
65 #define CSGBB		WORD_REF(CSGBB_ADDR)
66 #define CSGBC		WORD_REF(CSGBC_ADDR)
67 #define CSGBD		WORD_REF(CSGBD_ADDR)
68 
69 /*
70  * Chip Select Registers
71  */
72 #define CSA_ADDR	0xfffff110
73 #define CSB_ADDR	0xfffff112
74 #define CSC_ADDR	0xfffff114
75 #define CSD_ADDR	0xfffff116
76 
77 #define CSA		WORD_REF(CSA_ADDR)
78 #define CSB		WORD_REF(CSB_ADDR)
79 #define CSC		WORD_REF(CSC_ADDR)
80 #define CSD		WORD_REF(CSD_ADDR)
81 
82 #define CSA_EN		0x0001		/* Chip-Select Enable */
83 #define CSA_SIZ_MASK	0x000e		/* Chip-Select Size */
84 #define CSA_SIZ_SHIFT   1
85 #define CSA_WS_MASK	0x0070		/* Wait State */
86 #define CSA_WS_SHIFT    4
87 #define CSA_BSW		0x0080		/* Data Bus Width */
88 #define CSA_FLASH	0x0100		/* FLASH Memory Support */
89 #define CSA_RO		0x8000		/* Read-Only */
90 
91 #define CSB_EN		0x0001		/* Chip-Select Enable */
92 #define CSB_SIZ_MASK	0x000e		/* Chip-Select Size */
93 #define CSB_SIZ_SHIFT   1
94 #define CSB_WS_MASK	0x0070		/* Wait State */
95 #define CSB_WS_SHIFT    4
96 #define CSB_BSW		0x0080		/* Data Bus Width */
97 #define CSB_FLASH	0x0100		/* FLASH Memory Support */
98 #define CSB_UPSIZ_MASK	0x1800		/* Unprotected memory block size */
99 #define CSB_UPSIZ_SHIFT 11
100 #define CSB_ROP		0x2000		/* Readonly if protected */
101 #define CSB_SOP		0x4000		/* Supervisor only if protected */
102 #define CSB_RO		0x8000		/* Read-Only */
103 
104 #define CSC_EN		0x0001		/* Chip-Select Enable */
105 #define CSC_SIZ_MASK	0x000e		/* Chip-Select Size */
106 #define CSC_SIZ_SHIFT   1
107 #define CSC_WS_MASK	0x0070		/* Wait State */
108 #define CSC_WS_SHIFT    4
109 #define CSC_BSW		0x0080		/* Data Bus Width */
110 #define CSC_FLASH	0x0100		/* FLASH Memory Support */
111 #define CSC_UPSIZ_MASK	0x1800		/* Unprotected memory block size */
112 #define CSC_UPSIZ_SHIFT 11
113 #define CSC_ROP		0x2000		/* Readonly if protected */
114 #define CSC_SOP		0x4000		/* Supervisor only if protected */
115 #define CSC_RO		0x8000		/* Read-Only */
116 
117 #define CSD_EN		0x0001		/* Chip-Select Enable */
118 #define CSD_SIZ_MASK	0x000e		/* Chip-Select Size */
119 #define CSD_SIZ_SHIFT   1
120 #define CSD_WS_MASK	0x0070		/* Wait State */
121 #define CSD_WS_SHIFT    4
122 #define CSD_BSW		0x0080		/* Data Bus Width */
123 #define CSD_FLASH	0x0100		/* FLASH Memory Support */
124 #define CSD_DRAM	0x0200		/* Dram Selection */
125 #define	CSD_COMB	0x0400		/* Combining */
126 #define CSD_UPSIZ_MASK	0x1800		/* Unprotected memory block size */
127 #define CSD_UPSIZ_SHIFT 11
128 #define CSD_ROP		0x2000		/* Readonly if protected */
129 #define CSD_SOP		0x4000		/* Supervisor only if protected */
130 #define CSD_RO		0x8000		/* Read-Only */
131 
132 /*
133  * Emulation Chip-Select Register
134  */
135 #define EMUCS_ADDR	0xfffff118
136 #define EMUCS		WORD_REF(EMUCS_ADDR)
137 
138 #define EMUCS_WS_MASK	0x0070
139 #define EMUCS_WS_SHIFT	4
140 
141 /**********
142  *
143  * 0xFFFFF2xx -- Phase Locked Loop (PLL) & Power Control
144  *
145  **********/
146 
147 /*
148  * PLL Control Register
149  */
150 #define PLLCR_ADDR	0xfffff200
151 #define PLLCR		WORD_REF(PLLCR_ADDR)
152 
153 #define PLLCR_DISPLL	       0x0008	/* Disable PLL */
154 #define PLLCR_CLKEN	       0x0010	/* Clock (CLKO pin) enable */
155 #define PLLCR_PRESC	       0x0020	/* VCO prescaler */
156 #define PLLCR_SYSCLK_SEL_MASK  0x0700	/* System Clock Selection */
157 #define PLLCR_SYSCLK_SEL_SHIFT 8
158 #define PLLCR_LCDCLK_SEL_MASK  0x3800	/* LCD Clock Selection */
159 #define PLLCR_LCDCLK_SEL_SHIFT 11
160 
161 /* '328-compatible definitions */
162 #define PLLCR_PIXCLK_SEL_MASK	PLLCR_LCDCLK_SEL_MASK
163 #define PLLCR_PIXCLK_SEL_SHIFT	PLLCR_LCDCLK_SEL_SHIFT
164 
165 /*
166  * PLL Frequency Select Register
167  */
168 #define PLLFSR_ADDR	0xfffff202
169 #define PLLFSR		WORD_REF(PLLFSR_ADDR)
170 
171 #define PLLFSR_PC_MASK	0x00ff		/* P Count */
172 #define PLLFSR_PC_SHIFT 0
173 #define PLLFSR_QC_MASK	0x0f00		/* Q Count */
174 #define PLLFSR_QC_SHIFT 8
175 #define PLLFSR_PROT	0x4000		/* Protect P & Q */
176 #define PLLFSR_CLK32	0x8000		/* Clock 32 (kHz) */
177 
178 /*
179  * Power Control Register
180  */
181 #define PCTRL_ADDR	0xfffff207
182 #define PCTRL		BYTE_REF(PCTRL_ADDR)
183 
184 #define PCTRL_WIDTH_MASK	0x1f	/* CPU Clock bursts width */
185 #define PCTRL_WIDTH_SHIFT	0
186 #define PCTRL_PCEN		0x80	/* Power Control Enable */
187 
188 /**********
189  *
190  * 0xFFFFF3xx -- Interrupt Controller
191  *
192  **********/
193 
194 /*
195  * Interrupt Vector Register
196  */
197 #define IVR_ADDR	0xfffff300
198 #define IVR		BYTE_REF(IVR_ADDR)
199 
200 #define IVR_VECTOR_MASK 0xF8
201 
202 /*
203  * Interrupt control Register
204  */
205 #define ICR_ADDR	0xfffff302
206 #define ICR		WORD_REF(ICR_ADDR)
207 
208 #define ICR_POL5	0x0080	/* Polarity Control for IRQ5 */
209 #define ICR_ET6		0x0100	/* Edge Trigger Select for IRQ6 */
210 #define ICR_ET3		0x0200	/* Edge Trigger Select for IRQ3 */
211 #define ICR_ET2		0x0400	/* Edge Trigger Select for IRQ2 */
212 #define ICR_ET1		0x0800	/* Edge Trigger Select for IRQ1 */
213 #define ICR_POL6	0x1000	/* Polarity Control for IRQ6 */
214 #define ICR_POL3	0x2000	/* Polarity Control for IRQ3 */
215 #define ICR_POL2	0x4000	/* Polarity Control for IRQ2 */
216 #define ICR_POL1	0x8000	/* Polarity Control for IRQ1 */
217 
218 /*
219  * Interrupt Mask Register
220  */
221 #define IMR_ADDR	0xfffff304
222 #define IMR		LONG_REF(IMR_ADDR)
223 
224 /*
225  * Define the names for bit positions first. This is useful for
226  * request_irq
227  */
228 #define SPI_IRQ_NUM	0	/* SPI interrupt */
229 #define TMR_IRQ_NUM	1	/* Timer interrupt */
230 #define UART_IRQ_NUM	2	/* UART interrupt */
231 #define	WDT_IRQ_NUM	3	/* Watchdog Timer interrupt */
232 #define RTC_IRQ_NUM	4	/* RTC interrupt */
233 #define	KB_IRQ_NUM	6	/* Keyboard Interrupt */
234 #define PWM_IRQ_NUM	7	/* Pulse-Width Modulator int. */
235 #define	INT0_IRQ_NUM	8	/* External INT0 */
236 #define	INT1_IRQ_NUM	9	/* External INT1 */
237 #define	INT2_IRQ_NUM	10	/* External INT2 */
238 #define	INT3_IRQ_NUM	11	/* External INT3 */
239 #define IRQ1_IRQ_NUM	16	/* IRQ1 */
240 #define IRQ2_IRQ_NUM	17	/* IRQ2 */
241 #define IRQ3_IRQ_NUM	18	/* IRQ3 */
242 #define IRQ6_IRQ_NUM	19	/* IRQ6 */
243 #define IRQ5_IRQ_NUM	20	/* IRQ5 */
244 #define SAM_IRQ_NUM	22	/* Sampling Timer for RTC */
245 #define EMIQ_IRQ_NUM	23	/* Emulator Interrupt */
246 
247 /* '328-compatible definitions */
248 #define SPIM_IRQ_NUM	SPI_IRQ_NUM
249 #define TMR1_IRQ_NUM	TMR_IRQ_NUM
250 
251 /*
252  * Here go the bitmasks themselves
253  */
254 #define IMR_MSPI 	(1 << SPI_IRQ_NUM)	/* Mask SPI interrupt */
255 #define	IMR_MTMR	(1 << TMR_IRQ_NUM)	/* Mask Timer interrupt */
256 #define IMR_MUART	(1 << UART_IRQ_NUM)	/* Mask UART interrupt */
257 #define	IMR_MWDT	(1 << WDT_IRQ_NUM)	/* Mask Watchdog Timer interrupt */
258 #define IMR_MRTC	(1 << RTC_IRQ_NUM)	/* Mask RTC interrupt */
259 #define	IMR_MKB		(1 << KB_IRQ_NUM)	/* Mask Keyboard Interrupt */
260 #define IMR_MPWM	(1 << PWM_IRQ_NUM)	/* Mask Pulse-Width Modulator int. */
261 #define	IMR_MINT0	(1 << INT0_IRQ_NUM)	/* Mask External INT0 */
262 #define	IMR_MINT1	(1 << INT1_IRQ_NUM)	/* Mask External INT1 */
263 #define	IMR_MINT2	(1 << INT2_IRQ_NUM)	/* Mask External INT2 */
264 #define	IMR_MINT3	(1 << INT3_IRQ_NUM)	/* Mask External INT3 */
265 #define IMR_MIRQ1	(1 << IRQ1_IRQ_NUM)	/* Mask IRQ1 */
266 #define IMR_MIRQ2	(1 << IRQ2_IRQ_NUM)	/* Mask IRQ2 */
267 #define IMR_MIRQ3	(1 << IRQ3_IRQ_NUM)	/* Mask IRQ3 */
268 #define IMR_MIRQ6	(1 << IRQ6_IRQ_NUM)	/* Mask IRQ6 */
269 #define IMR_MIRQ5	(1 << IRQ5_IRQ_NUM)	/* Mask IRQ5 */
270 #define IMR_MSAM	(1 << SAM_IRQ_NUM)	/* Mask Sampling Timer for RTC */
271 #define IMR_MEMIQ	(1 << EMIQ_IRQ_NUM)	/* Mask Emulator Interrupt */
272 
273 /* '328-compatible definitions */
274 #define IMR_MSPIM	IMR_MSPI
275 #define IMR_MTMR1	IMR_MTMR
276 
277 /*
278  * Interrupt Status Register
279  */
280 #define ISR_ADDR	0xfffff30c
281 #define ISR		LONG_REF(ISR_ADDR)
282 
283 #define ISR_SPI 	(1 << SPI_IRQ_NUM)	/* SPI interrupt */
284 #define	ISR_TMR		(1 << TMR_IRQ_NUM)	/* Timer interrupt */
285 #define ISR_UART	(1 << UART_IRQ_NUM)	/* UART interrupt */
286 #define	ISR_WDT		(1 << WDT_IRQ_NUM)	/* Watchdog Timer interrupt */
287 #define ISR_RTC		(1 << RTC_IRQ_NUM)	/* RTC interrupt */
288 #define	ISR_KB		(1 << KB_IRQ_NUM)	/* Keyboard Interrupt */
289 #define ISR_PWM		(1 << PWM_IRQ_NUM)	/* Pulse-Width Modulator interrupt */
290 #define	ISR_INT0	(1 << INT0_IRQ_NUM)	/* External INT0 */
291 #define	ISR_INT1	(1 << INT1_IRQ_NUM)	/* External INT1 */
292 #define	ISR_INT2	(1 << INT2_IRQ_NUM)	/* External INT2 */
293 #define	ISR_INT3	(1 << INT3_IRQ_NUM)	/* External INT3 */
294 #define ISR_IRQ1	(1 << IRQ1_IRQ_NUM)	/* IRQ1 */
295 #define ISR_IRQ2	(1 << IRQ2_IRQ_NUM)	/* IRQ2 */
296 #define ISR_IRQ3	(1 << IRQ3_IRQ_NUM)	/* IRQ3 */
297 #define ISR_IRQ6	(1 << IRQ6_IRQ_NUM)	/* IRQ6 */
298 #define ISR_IRQ5	(1 << IRQ5_IRQ_NUM)	/* IRQ5 */
299 #define ISR_SAM		(1 << SAM_IRQ_NUM)	/* Sampling Timer for RTC */
300 #define ISR_EMIQ	(1 << EMIQ_IRQ_NUM)	/* Emulator Interrupt */
301 
302 /* '328-compatible definitions */
303 #define ISR_SPIM	ISR_SPI
304 #define ISR_TMR1	ISR_TMR
305 
306 /*
307  * Interrupt Pending Register
308  */
309 #define IPR_ADDR	0xfffff30c
310 #define IPR		LONG_REF(IPR_ADDR)
311 
312 #define IPR_SPI 	(1 << SPI_IRQ_NUM)	/* SPI interrupt */
313 #define	IPR_TMR		(1 << TMR_IRQ_NUM)	/* Timer interrupt */
314 #define IPR_UART	(1 << UART_IRQ_NUM)	/* UART interrupt */
315 #define	IPR_WDT		(1 << WDT_IRQ_NUM)	/* Watchdog Timer interrupt */
316 #define IPR_RTC		(1 << RTC_IRQ_NUM)	/* RTC interrupt */
317 #define	IPR_KB		(1 << KB_IRQ_NUM)	/* Keyboard Interrupt */
318 #define IPR_PWM		(1 << PWM_IRQ_NUM)	/* Pulse-Width Modulator interrupt */
319 #define	IPR_INT0	(1 << INT0_IRQ_NUM)	/* External INT0 */
320 #define	IPR_INT1	(1 << INT1_IRQ_NUM)	/* External INT1 */
321 #define	IPR_INT2	(1 << INT2_IRQ_NUM)	/* External INT2 */
322 #define	IPR_INT3	(1 << INT3_IRQ_NUM)	/* External INT3 */
323 #define IPR_IRQ1	(1 << IRQ1_IRQ_NUM)	/* IRQ1 */
324 #define IPR_IRQ2	(1 << IRQ2_IRQ_NUM)	/* IRQ2 */
325 #define IPR_IRQ3	(1 << IRQ3_IRQ_NUM)	/* IRQ3 */
326 #define IPR_IRQ6	(1 << IRQ6_IRQ_NUM)	/* IRQ6 */
327 #define IPR_IRQ5	(1 << IRQ5_IRQ_NUM)	/* IRQ5 */
328 #define IPR_SAM		(1 << SAM_IRQ_NUM)	/* Sampling Timer for RTC */
329 #define IPR_EMIQ	(1 << EMIQ_IRQ_NUM)	/* Emulator Interrupt */
330 
331 /* '328-compatible definitions */
332 #define IPR_SPIM	IPR_SPI
333 #define IPR_TMR1	IPR_TMR
334 
335 /**********
336  *
337  * 0xFFFFF4xx -- Parallel Ports
338  *
339  **********/
340 
341 /*
342  * Port A
343  */
344 #define PADIR_ADDR	0xfffff400		/* Port A direction reg */
345 #define PADATA_ADDR	0xfffff401		/* Port A data register */
346 #define PAPUEN_ADDR	0xfffff402		/* Port A Pull-Up enable reg */
347 
348 #define PADIR		BYTE_REF(PADIR_ADDR)
349 #define PADATA		BYTE_REF(PADATA_ADDR)
350 #define PAPUEN		BYTE_REF(PAPUEN_ADDR)
351 
352 #define PA(x)		(1 << (x))
353 
354 /*
355  * Port B
356  */
357 #define PBDIR_ADDR	0xfffff408		/* Port B direction reg */
358 #define PBDATA_ADDR	0xfffff409		/* Port B data register */
359 #define PBPUEN_ADDR	0xfffff40a		/* Port B Pull-Up enable reg */
360 #define PBSEL_ADDR	0xfffff40b		/* Port B Select Register */
361 
362 #define PBDIR		BYTE_REF(PBDIR_ADDR)
363 #define PBDATA		BYTE_REF(PBDATA_ADDR)
364 #define PBPUEN		BYTE_REF(PBPUEN_ADDR)
365 #define PBSEL		BYTE_REF(PBSEL_ADDR)
366 
367 #define PB(x)		(1 << (x))
368 
369 #define PB_CSB0		0x01	/* Use CSB0      as PB[0] */
370 #define PB_CSB1		0x02	/* Use CSB1      as PB[1] */
371 #define PB_CSC0_RAS0	0x04    /* Use CSC0/RAS0 as PB[2] */
372 #define PB_CSC1_RAS1	0x08    /* Use CSC1/RAS1 as PB[3] */
373 #define PB_CSD0_CAS0	0x10    /* Use CSD0/CAS0 as PB[4] */
374 #define PB_CSD1_CAS1	0x20    /* Use CSD1/CAS1 as PB[5] */
375 #define PB_TIN_TOUT	0x40	/* Use TIN/TOUT  as PB[6] */
376 #define PB_PWMO		0x80	/* Use PWMO      as PB[7] */
377 
378 /*
379  * Port C
380  */
381 #define PCDIR_ADDR	0xfffff410		/* Port C direction reg */
382 #define PCDATA_ADDR	0xfffff411		/* Port C data register */
383 #define PCPDEN_ADDR	0xfffff412		/* Port C Pull-Down enb. reg */
384 #define PCSEL_ADDR	0xfffff413		/* Port C Select Register */
385 
386 #define PCDIR		BYTE_REF(PCDIR_ADDR)
387 #define PCDATA		BYTE_REF(PCDATA_ADDR)
388 #define PCPDEN		BYTE_REF(PCPDEN_ADDR)
389 #define PCSEL		BYTE_REF(PCSEL_ADDR)
390 
391 #define PC(x)		(1 << (x))
392 
393 #define PC_LD0		0x01	/* Use LD0  as PC[0] */
394 #define PC_LD1		0x02	/* Use LD1  as PC[1] */
395 #define PC_LD2		0x04	/* Use LD2  as PC[2] */
396 #define PC_LD3		0x08	/* Use LD3  as PC[3] */
397 #define PC_LFLM		0x10	/* Use LFLM as PC[4] */
398 #define PC_LLP 		0x20	/* Use LLP  as PC[5] */
399 #define PC_LCLK		0x40	/* Use LCLK as PC[6] */
400 #define PC_LACD		0x80	/* Use LACD as PC[7] */
401 
402 /*
403  * Port D
404  */
405 #define PDDIR_ADDR	0xfffff418		/* Port D direction reg */
406 #define PDDATA_ADDR	0xfffff419		/* Port D data register */
407 #define PDPUEN_ADDR	0xfffff41a		/* Port D Pull-Up enable reg */
408 #define PDSEL_ADDR	0xfffff41b		/* Port D Select Register */
409 #define PDPOL_ADDR	0xfffff41c		/* Port D Polarity Register */
410 #define PDIRQEN_ADDR	0xfffff41d		/* Port D IRQ enable register */
411 #define PDKBEN_ADDR	0xfffff41e		/* Port D Keyboard Enable reg */
412 #define	PDIQEG_ADDR	0xfffff41f		/* Port D IRQ Edge Register */
413 
414 #define PDDIR		BYTE_REF(PDDIR_ADDR)
415 #define PDDATA		BYTE_REF(PDDATA_ADDR)
416 #define PDPUEN		BYTE_REF(PDPUEN_ADDR)
417 #define PDSEL		BYTE_REF(PDSEL_ADDR)
418 #define	PDPOL		BYTE_REF(PDPOL_ADDR)
419 #define PDIRQEN		BYTE_REF(PDIRQEN_ADDR)
420 #define PDKBEN		BYTE_REF(PDKBEN_ADDR)
421 #define PDIQEG		BYTE_REF(PDIQEG_ADDR)
422 
423 #define PD(x)		(1 << (x))
424 
425 #define PD_INT0		0x01	/* Use INT0 as PD[0] */
426 #define PD_INT1		0x02	/* Use INT1 as PD[1] */
427 #define PD_INT2		0x04	/* Use INT2 as PD[2] */
428 #define PD_INT3		0x08	/* Use INT3 as PD[3] */
429 #define PD_IRQ1		0x10	/* Use IRQ1 as PD[4] */
430 #define PD_IRQ2		0x20	/* Use IRQ2 as PD[5] */
431 #define PD_IRQ3		0x40	/* Use IRQ3 as PD[6] */
432 #define PD_IRQ6		0x80	/* Use IRQ6 as PD[7] */
433 
434 /*
435  * Port E
436  */
437 #define PEDIR_ADDR	0xfffff420		/* Port E direction reg */
438 #define PEDATA_ADDR	0xfffff421		/* Port E data register */
439 #define PEPUEN_ADDR	0xfffff422		/* Port E Pull-Up enable reg */
440 #define PESEL_ADDR	0xfffff423		/* Port E Select Register */
441 
442 #define PEDIR		BYTE_REF(PEDIR_ADDR)
443 #define PEDATA		BYTE_REF(PEDATA_ADDR)
444 #define PEPUEN		BYTE_REF(PEPUEN_ADDR)
445 #define PESEL		BYTE_REF(PESEL_ADDR)
446 
447 #define PE(x)		(1 << (x))
448 
449 #define PE_SPMTXD	0x01	/* Use SPMTXD as PE[0] */
450 #define PE_SPMRXD	0x02	/* Use SPMRXD as PE[1] */
451 #define PE_SPMCLK	0x04	/* Use SPMCLK as PE[2] */
452 #define PE_DWE		0x08	/* Use DWE    as PE[3] */
453 #define PE_RXD		0x10	/* Use RXD    as PE[4] */
454 #define PE_TXD		0x20	/* Use TXD    as PE[5] */
455 #define PE_RTS		0x40	/* Use RTS    as PE[6] */
456 #define PE_CTS		0x80	/* Use CTS    as PE[7] */
457 
458 /*
459  * Port F
460  */
461 #define PFDIR_ADDR	0xfffff428		/* Port F direction reg */
462 #define PFDATA_ADDR	0xfffff429		/* Port F data register */
463 #define PFPUEN_ADDR	0xfffff42a		/* Port F Pull-Up enable reg */
464 #define PFSEL_ADDR	0xfffff42b		/* Port F Select Register */
465 
466 #define PFDIR		BYTE_REF(PFDIR_ADDR)
467 #define PFDATA		BYTE_REF(PFDATA_ADDR)
468 #define PFPUEN		BYTE_REF(PFPUEN_ADDR)
469 #define PFSEL		BYTE_REF(PFSEL_ADDR)
470 
471 #define PF(x)		(1 << (x))
472 
473 #define PF_LCONTRAST	0x01	/* Use LCONTRAST as PF[0] */
474 #define PF_IRQ5         0x02    /* Use IRQ5      as PF[1] */
475 #define PF_CLKO         0x04    /* Use CLKO      as PF[2] */
476 #define PF_A20          0x08    /* Use A20       as PF[3] */
477 #define PF_A21          0x10    /* Use A21       as PF[4] */
478 #define PF_A22          0x20    /* Use A22       as PF[5] */
479 #define PF_A23          0x40    /* Use A23       as PF[6] */
480 #define PF_CSA1		0x80    /* Use CSA1      as PF[7] */
481 
482 /*
483  * Port G
484  */
485 #define PGDIR_ADDR	0xfffff430		/* Port G direction reg */
486 #define PGDATA_ADDR	0xfffff431		/* Port G data register */
487 #define PGPUEN_ADDR	0xfffff432		/* Port G Pull-Up enable reg */
488 #define PGSEL_ADDR	0xfffff433		/* Port G Select Register */
489 
490 #define PGDIR		BYTE_REF(PGDIR_ADDR)
491 #define PGDATA		BYTE_REF(PGDATA_ADDR)
492 #define PGPUEN		BYTE_REF(PGPUEN_ADDR)
493 #define PGSEL		BYTE_REF(PGSEL_ADDR)
494 
495 #define PG(x)		(1 << (x))
496 
497 #define PG_BUSW_DTACK	0x01	/* Use BUSW/DTACK as PG[0] */
498 #define PG_A0		0x02	/* Use A0         as PG[1] */
499 #define PG_EMUIRQ	0x04	/* Use EMUIRQ     as PG[2] */
500 #define PG_HIZ_P_D	0x08	/* Use HIZ/P/D    as PG[3] */
501 #define PG_EMUCS        0x10	/* Use EMUCS      as PG[4] */
502 #define PG_EMUBRK	0x20	/* Use EMUBRK     as PG[5] */
503 
504 /**********
505  *
506  * 0xFFFFF5xx -- Pulse-Width Modulator (PWM)
507  *
508  **********/
509 
510 /*
511  * PWM Control Register
512  */
513 #define PWMC_ADDR	0xfffff500
514 #define PWMC		WORD_REF(PWMC_ADDR)
515 
516 #define PWMC_CLKSEL_MASK	0x0003	/* Clock Selection */
517 #define PWMC_CLKSEL_SHIFT	0
518 #define PWMC_REPEAT_MASK	0x000c	/* Sample Repeats */
519 #define PWMC_REPEAT_SHIFT	2
520 #define PWMC_EN			0x0010	/* Enable PWM */
521 #define PMNC_FIFOAV		0x0020	/* FIFO Available */
522 #define PWMC_IRQEN		0x0040	/* Interrupt Request Enable */
523 #define PWMC_IRQ		0x0080	/* Interrupt Request (FIFO empty) */
524 #define PWMC_PRESCALER_MASK	0x7f00	/* Incoming Clock prescaler */
525 #define PWMC_PRESCALER_SHIFT	8
526 #define PWMC_CLKSRC		0x8000	/* Clock Source Select */
527 
528 /* '328-compatible definitions */
529 #define PWMC_PWMEN	PWMC_EN
530 
531 /*
532  * PWM Sample Register
533  */
534 #define PWMS_ADDR	0xfffff502
535 #define PWMS		WORD_REF(PWMS_ADDR)
536 
537 /*
538  * PWM Period Register
539  */
540 #define PWMP_ADDR	0xfffff504
541 #define PWMP		BYTE_REF(PWMP_ADDR)
542 
543 /*
544  * PWM Counter Register
545  */
546 #define PWMCNT_ADDR	0xfffff505
547 #define PWMCNT		BYTE_REF(PWMCNT_ADDR)
548 
549 /**********
550  *
551  * 0xFFFFF6xx -- General-Purpose Timer
552  *
553  **********/
554 
555 /*
556  * Timer Control register
557  */
558 #define TCTL_ADDR	0xfffff600
559 #define TCTL		WORD_REF(TCTL_ADDR)
560 
561 #define	TCTL_TEN		0x0001	/* Timer Enable  */
562 #define TCTL_CLKSOURCE_MASK 	0x000e	/* Clock Source: */
563 #define   TCTL_CLKSOURCE_STOP	   0x0000	/* Stop count (disabled)    */
564 #define   TCTL_CLKSOURCE_SYSCLK	   0x0002	/* SYSCLK to prescaler      */
565 #define   TCTL_CLKSOURCE_SYSCLK_16 0x0004	/* SYSCLK/16 to prescaler   */
566 #define   TCTL_CLKSOURCE_TIN	   0x0006	/* TIN to prescaler         */
567 #define   TCTL_CLKSOURCE_32KHZ	   0x0008	/* 32kHz clock to prescaler */
568 #define TCTL_IRQEN		0x0010	/* IRQ Enable    */
569 #define TCTL_OM			0x0020	/* Output Mode   */
570 #define TCTL_CAP_MASK		0x00c0	/* Capture Edge: */
571 #define	  TCTL_CAP_RE		0x0040		/* Capture on rizing edge   */
572 #define   TCTL_CAP_FE		0x0080		/* Capture on falling edge  */
573 #define TCTL_FRR		0x0010	/* Free-Run Mode */
574 
575 /* '328-compatible definitions */
576 #define TCTL1_ADDR	TCTL_ADDR
577 #define TCTL1		TCTL
578 
579 /*
580  * Timer Prescaler Register
581  */
582 #define TPRER_ADDR	0xfffff602
583 #define TPRER		WORD_REF(TPRER_ADDR)
584 
585 /* '328-compatible definitions */
586 #define TPRER1_ADDR	TPRER_ADDR
587 #define TPRER1		TPRER
588 
589 /*
590  * Timer Compare Register
591  */
592 #define TCMP_ADDR	0xfffff604
593 #define TCMP		WORD_REF(TCMP_ADDR)
594 
595 /* '328-compatible definitions */
596 #define TCMP1_ADDR	TCMP_ADDR
597 #define TCMP1		TCMP
598 
599 /*
600  * Timer Capture register
601  */
602 #define TCR_ADDR	0xfffff606
603 #define TCR		WORD_REF(TCR_ADDR)
604 
605 /* '328-compatible definitions */
606 #define TCR1_ADDR	TCR_ADDR
607 #define TCR1		TCR
608 
609 /*
610  * Timer Counter Register
611  */
612 #define TCN_ADDR	0xfffff608
613 #define TCN		WORD_REF(TCN_ADDR)
614 
615 /* '328-compatible definitions */
616 #define TCN1_ADDR	TCN_ADDR
617 #define TCN1		TCN
618 
619 /*
620  * Timer Status Register
621  */
622 #define TSTAT_ADDR	0xfffff60a
623 #define TSTAT		WORD_REF(TSTAT_ADDR)
624 
625 #define TSTAT_COMP	0x0001		/* Compare Event occurred */
626 #define TSTAT_CAPT	0x0001		/* Capture Event occurred */
627 
628 /* '328-compatible definitions */
629 #define TSTAT1_ADDR	TSTAT_ADDR
630 #define TSTAT1		TSTAT
631 
632 /**********
633  *
634  * 0xFFFFF8xx -- Serial Periferial Interface Master (SPIM)
635  *
636  **********/
637 
638 /*
639  * SPIM Data Register
640  */
641 #define SPIMDATA_ADDR	0xfffff800
642 #define SPIMDATA	WORD_REF(SPIMDATA_ADDR)
643 
644 /*
645  * SPIM Control/Status Register
646  */
647 #define SPIMCONT_ADDR	0xfffff802
648 #define SPIMCONT	WORD_REF(SPIMCONT_ADDR)
649 
650 #define SPIMCONT_BIT_COUNT_MASK	 0x000f	/* Transfer Length in Bytes */
651 #define SPIMCONT_BIT_COUNT_SHIFT 0
652 #define SPIMCONT_POL		 0x0010	/* SPMCLK Signel Polarity */
653 #define	SPIMCONT_PHA		 0x0020	/* Clock/Data phase relationship */
654 #define SPIMCONT_IRQEN		 0x0040 /* IRQ Enable */
655 #define SPIMCONT_IRQ		 0x0080	/* Interrupt Request */
656 #define SPIMCONT_XCH		 0x0100	/* Exchange */
657 #define SPIMCONT_ENABLE		 0x0200	/* Enable SPIM */
658 #define SPIMCONT_DATA_RATE_MASK	 0xe000	/* SPIM Data Rate */
659 #define SPIMCONT_DATA_RATE_SHIFT 13
660 
661 /* '328-compatible definitions */
662 #define SPIMCONT_SPIMIRQ	SPIMCONT_IRQ
663 #define SPIMCONT_SPIMEN		SPIMCONT_ENABLE
664 
665 /**********
666  *
667  * 0xFFFFF9xx -- UART
668  *
669  **********/
670 
671 /*
672  * UART Status/Control Register
673  */
674 #define USTCNT_ADDR	0xfffff900
675 #define USTCNT		WORD_REF(USTCNT_ADDR)
676 
677 #define USTCNT_TXAE	0x0001	/* Transmitter Available Interrupt Enable */
678 #define USTCNT_TXHE	0x0002	/* Transmitter Half Empty Enable */
679 #define USTCNT_TXEE	0x0004	/* Transmitter Empty Interrupt Enable */
680 #define USTCNT_RXRE	0x0008	/* Receiver Ready Interrupt Enable */
681 #define USTCNT_RXHE	0x0010	/* Receiver Half-Full Interrupt Enable */
682 #define USTCNT_RXFE	0x0020	/* Receiver Full Interrupt Enable */
683 #define USTCNT_CTSD	0x0040	/* CTS Delta Interrupt Enable */
684 #define USTCNT_ODEN	0x0080	/* Old Data Interrupt Enable */
685 #define USTCNT_8_7	0x0100	/* Eight or seven-bit transmission */
686 #define USTCNT_STOP	0x0200	/* Stop bit transmission */
687 #define USTCNT_ODD	0x0400	/* Odd Parity */
688 #define	USTCNT_PEN	0x0800	/* Parity Enable */
689 #define USTCNT_CLKM	0x1000	/* Clock Mode Select */
690 #define	USTCNT_TXEN	0x2000	/* Transmitter Enable */
691 #define USTCNT_RXEN	0x4000	/* Receiver Enable */
692 #define USTCNT_UEN	0x8000	/* UART Enable */
693 
694 /* '328-compatible definitions */
695 #define USTCNT_TXAVAILEN	USTCNT_TXAE
696 #define USTCNT_TXHALFEN		USTCNT_TXHE
697 #define USTCNT_TXEMPTYEN	USTCNT_TXEE
698 #define USTCNT_RXREADYEN	USTCNT_RXRE
699 #define USTCNT_RXHALFEN		USTCNT_RXHE
700 #define USTCNT_RXFULLEN		USTCNT_RXFE
701 #define USTCNT_CTSDELTAEN	USTCNT_CTSD
702 #define USTCNT_ODD_EVEN		USTCNT_ODD
703 #define USTCNT_PARITYEN		USTCNT_PEN
704 #define USTCNT_CLKMODE		USTCNT_CLKM
705 #define USTCNT_UARTEN		USTCNT_UEN
706 
707 /*
708  * UART Baud Control Register
709  */
710 #define UBAUD_ADDR	0xfffff902
711 #define UBAUD		WORD_REF(UBAUD_ADDR)
712 
713 #define UBAUD_PRESCALER_MASK	0x003f	/* Actual divisor is 65 - PRESCALER */
714 #define UBAUD_PRESCALER_SHIFT	0
715 #define UBAUD_DIVIDE_MASK	0x0700	/* Baud Rate freq. divizor */
716 #define UBAUD_DIVIDE_SHIFT	8
717 #define UBAUD_BAUD_SRC		0x0800	/* Baud Rate Source */
718 #define UBAUD_UCLKDIR		0x2000	/* UCLK Direction */
719 
720 /*
721  * UART Receiver Register
722  */
723 #define URX_ADDR	0xfffff904
724 #define URX		WORD_REF(URX_ADDR)
725 
726 #define URX_RXDATA_ADDR	0xfffff905
727 #define URX_RXDATA	BYTE_REF(URX_RXDATA_ADDR)
728 
729 #define URX_RXDATA_MASK	 0x00ff	/* Received data */
730 #define URX_RXDATA_SHIFT 0
731 #define URX_PARITY_ERROR 0x0100	/* Parity Error */
732 #define URX_BREAK	 0x0200	/* Break Detected */
733 #define URX_FRAME_ERROR	 0x0400	/* Framing Error */
734 #define URX_OVRUN	 0x0800	/* Serial Overrun */
735 #define URX_OLD_DATA	 0x1000	/* Old data in FIFO */
736 #define URX_DATA_READY	 0x2000	/* Data Ready (FIFO not empty) */
737 #define URX_FIFO_HALF	 0x4000 /* FIFO is Half-Full */
738 #define URX_FIFO_FULL	 0x8000	/* FIFO is Full */
739 
740 /*
741  * UART Transmitter Register
742  */
743 #define UTX_ADDR	0xfffff906
744 #define UTX		WORD_REF(UTX_ADDR)
745 
746 #define UTX_TXDATA_ADDR	0xfffff907
747 #define UTX_TXDATA	BYTE_REF(UTX_TXDATA_ADDR)
748 
749 #define UTX_TXDATA_MASK	 0x00ff	/* Data to be transmitted */
750 #define UTX_TXDATA_SHIFT 0
751 #define UTX_CTS_DELTA	 0x0100	/* CTS changed */
752 #define UTX_CTS_STAT	 0x0200	/* CTS State */
753 #define	UTX_BUSY	 0x0400	/* FIFO is busy, sending a character */
754 #define	UTX_NOCTS	 0x0800	/* Ignore CTS */
755 #define UTX_SEND_BREAK	 0x1000	/* Send a BREAK */
756 #define UTX_TX_AVAIL	 0x2000	/* Transmit FIFO has a slot available */
757 #define UTX_FIFO_HALF	 0x4000	/* Transmit FIFO is half empty */
758 #define UTX_FIFO_EMPTY	 0x8000	/* Transmit FIFO is empty */
759 
760 /* '328-compatible definitions */
761 #define UTX_CTS_STATUS	UTX_CTS_STAT
762 #define UTX_IGNORE_CTS	UTX_NOCTS
763 
764 /*
765  * UART Miscellaneous Register
766  */
767 #define UMISC_ADDR	0xfffff908
768 #define UMISC		WORD_REF(UMISC_ADDR)
769 
770 #define UMISC_TX_POL	 0x0004	/* Transmit Polarity */
771 #define UMISC_RX_POL	 0x0008	/* Receive Polarity */
772 #define UMISC_IRDA_LOOP	 0x0010	/* IrDA Loopback Enable */
773 #define UMISC_IRDA_EN	 0x0020	/* Infra-Red Enable */
774 #define UMISC_RTS	 0x0040	/* Set RTS status */
775 #define UMISC_RTSCONT	 0x0080	/* Choose RTS control */
776 #define UMISC_IR_TEST	 0x0400	/* IRDA Test Enable */
777 #define UMISC_BAUD_RESET 0x0800	/* Reset Baud Rate Generation Counters */
778 #define UMISC_LOOP	 0x1000	/* Serial Loopback Enable */
779 #define UMISC_FORCE_PERR 0x2000	/* Force Parity Error */
780 #define UMISC_CLKSRC	 0x4000	/* Clock Source */
781 #define UMISC_BAUD_TEST	 0x8000	/* Enable Baud Test Mode */
782 
783 /*
784  * UART Non-integer Prescaler Register
785  */
786 #define NIPR_ADDR	0xfffff90a
787 #define NIPR		WORD_REF(NIPR_ADDR)
788 
789 #define NIPR_STEP_VALUE_MASK	0x00ff	/* NI prescaler step value */
790 #define NIPR_STEP_VALUE_SHIFT	0
791 #define NIPR_SELECT_MASK	0x0700	/* Tap Selection */
792 #define NIPR_SELECT_SHIFT	8
793 #define NIPR_PRE_SEL		0x8000	/* Non-integer prescaler select */
794 
795 
796 /* generalization of uart control registers to support multiple ports: */
797 typedef volatile struct {
798   volatile unsigned short int ustcnt;
799   volatile unsigned short int ubaud;
800   union {
801     volatile unsigned short int w;
802     struct {
803       volatile unsigned char status;
804       volatile unsigned char rxdata;
805     } b;
806   } urx;
807   union {
808     volatile unsigned short int w;
809     struct {
810       volatile unsigned char status;
811       volatile unsigned char txdata;
812     } b;
813   } utx;
814   volatile unsigned short int umisc;
815   volatile unsigned short int nipr;
816   volatile unsigned short int pad1;
817   volatile unsigned short int pad2;
818 } __attribute__((packed)) m68328_uart;
819 
820 
821 /**********
822  *
823  * 0xFFFFFAxx -- LCD Controller
824  *
825  **********/
826 
827 /*
828  * LCD Screen Starting Address Register
829  */
830 #define LSSA_ADDR	0xfffffa00
831 #define LSSA		LONG_REF(LSSA_ADDR)
832 
833 #define LSSA_SSA_MASK	0x1ffffffe	/* Bits 0 and 29-31 are reserved */
834 
835 /*
836  * LCD Virtual Page Width Register
837  */
838 #define LVPW_ADDR	0xfffffa05
839 #define LVPW		BYTE_REF(LVPW_ADDR)
840 
841 /*
842  * LCD Screen Width Register (not compatible with '328 !!!)
843  */
844 #define LXMAX_ADDR	0xfffffa08
845 #define LXMAX		WORD_REF(LXMAX_ADDR)
846 
847 #define LXMAX_XM_MASK	0x02f0		/* Bits 0-3 and 10-15 are reserved */
848 
849 /*
850  * LCD Screen Height Register
851  */
852 #define LYMAX_ADDR	0xfffffa0a
853 #define LYMAX		WORD_REF(LYMAX_ADDR)
854 
855 #define LYMAX_YM_MASK	0x01ff		/* Bits 9-15 are reserved */
856 
857 /*
858  * LCD Cursor X Position Register
859  */
860 #define LCXP_ADDR	0xfffffa18
861 #define LCXP		WORD_REF(LCXP_ADDR)
862 
863 #define LCXP_CC_MASK	0xc000		/* Cursor Control */
864 #define   LCXP_CC_TRAMSPARENT	0x0000
865 #define   LCXP_CC_BLACK		0x4000
866 #define   LCXP_CC_REVERSED	0x8000
867 #define   LCXP_CC_WHITE		0xc000
868 #define LCXP_CXP_MASK	0x02ff		/* Cursor X position */
869 
870 /*
871  * LCD Cursor Y Position Register
872  */
873 #define LCYP_ADDR	0xfffffa1a
874 #define LCYP		WORD_REF(LCYP_ADDR)
875 
876 #define LCYP_CYP_MASK	0x01ff		/* Cursor Y Position */
877 
878 /*
879  * LCD Cursor Width and Heigth Register
880  */
881 #define LCWCH_ADDR	0xfffffa1c
882 #define LCWCH		WORD_REF(LCWCH_ADDR)
883 
884 #define LCWCH_CH_MASK	0x001f		/* Cursor Height */
885 #define LCWCH_CH_SHIFT	0
886 #define LCWCH_CW_MASK	0x1f00		/* Cursor Width */
887 #define LCWCH_CW_SHIFT	8
888 
889 /*
890  * LCD Blink Control Register
891  */
892 #define LBLKC_ADDR	0xfffffa1f
893 #define LBLKC		BYTE_REF(LBLKC_ADDR)
894 
895 #define LBLKC_BD_MASK	0x7f	/* Blink Divisor */
896 #define LBLKC_BD_SHIFT	0
897 #define LBLKC_BKEN	0x80	/* Blink Enabled */
898 
899 /*
900  * LCD Panel Interface Configuration Register
901  */
902 #define LPICF_ADDR	0xfffffa20
903 #define LPICF		BYTE_REF(LPICF_ADDR)
904 
905 #define LPICF_GS_MASK	 0x03	 /* Gray-Scale Mode */
906 #define	  LPICF_GS_BW	   0x00
907 #define   LPICF_GS_GRAY_4  0x01
908 #define   LPICF_GS_GRAY_16 0x02
909 #define LPICF_PBSIZ_MASK 0x0c	/* Panel Bus Width */
910 #define   LPICF_PBSIZ_1	   0x00
911 #define   LPICF_PBSIZ_2    0x04
912 #define   LPICF_PBSIZ_4    0x08
913 
914 /*
915  * LCD Polarity Configuration Register
916  */
917 #define LPOLCF_ADDR	0xfffffa21
918 #define LPOLCF		BYTE_REF(LPOLCF_ADDR)
919 
920 #define LPOLCF_PIXPOL	0x01	/* Pixel Polarity */
921 #define LPOLCF_LPPOL	0x02	/* Line Pulse Polarity */
922 #define LPOLCF_FLMPOL	0x04	/* Frame Marker Polarity */
923 #define LPOLCF_LCKPOL	0x08	/* LCD Shift Lock Polarity */
924 
925 /*
926  * LACD (LCD Alternate Crystal Direction) Rate Control Register
927  */
928 #define LACDRC_ADDR	0xfffffa23
929 #define LACDRC		BYTE_REF(LACDRC_ADDR)
930 
931 #define LACDRC_ACDSLT	 0x80	/* Signal Source Select */
932 #define LACDRC_ACD_MASK	 0x0f	/* Alternate Crystal Direction Control */
933 #define LACDRC_ACD_SHIFT 0
934 
935 /*
936  * LCD Pixel Clock Divider Register
937  */
938 #define LPXCD_ADDR	0xfffffa25
939 #define LPXCD		BYTE_REF(LPXCD_ADDR)
940 
941 #define	LPXCD_PCD_MASK	0x3f 	/* Pixel Clock Divider */
942 #define LPXCD_PCD_SHIFT	0
943 
944 /*
945  * LCD Clocking Control Register
946  */
947 #define LCKCON_ADDR	0xfffffa27
948 #define LCKCON		BYTE_REF(LCKCON_ADDR)
949 
950 #define LCKCON_DWS_MASK	 0x0f	/* Display Wait-State */
951 #define LCKCON_DWS_SHIFT 0
952 #define LCKCON_DWIDTH	 0x40	/* Display Memory Width  */
953 #define LCKCON_LCDON	 0x80	/* Enable LCD Controller */
954 
955 /* '328-compatible definitions */
956 #define LCKCON_DW_MASK  LCKCON_DWS_MASK
957 #define LCKCON_DW_SHIFT LCKCON_DWS_SHIFT
958 
959 /*
960  * LCD Refresh Rate Adjustment Register
961  */
962 #define LRRA_ADDR	0xfffffa29
963 #define LRRA		BYTE_REF(LRRA_ADDR)
964 
965 /*
966  * LCD Panning Offset Register
967  */
968 #define LPOSR_ADDR	0xfffffa2d
969 #define LPOSR		BYTE_REF(LPOSR_ADDR)
970 
971 #define LPOSR_POS_MASK	0x0f	/* Pixel Offset Code */
972 #define LPOSR_POS_SHIFT	0
973 
974 /*
975  * LCD Frame Rate Control Modulation Register
976  */
977 #define LFRCM_ADDR	0xfffffa31
978 #define LFRCM		BYTE_REF(LFRCM_ADDR)
979 
980 #define LFRCM_YMOD_MASK	 0x0f	/* Vertical Modulation */
981 #define LFRCM_YMOD_SHIFT 0
982 #define LFRCM_XMOD_MASK	 0xf0	/* Horizontal Modulation */
983 #define LFRCM_XMOD_SHIFT 4
984 
985 /*
986  * LCD Gray Palette Mapping Register
987  */
988 #define LGPMR_ADDR	0xfffffa33
989 #define LGPMR		BYTE_REF(LGPMR_ADDR)
990 
991 #define LGPMR_G1_MASK	0x0f
992 #define LGPMR_G1_SHIFT	0
993 #define LGPMR_G2_MASK	0xf0
994 #define LGPMR_G2_SHIFT	4
995 
996 /*
997  * PWM Contrast Control Register
998  */
999 #define PWMR_ADDR	0xfffffa36
1000 #define PWMR		WORD_REF(PWMR_ADDR)
1001 
1002 #define PWMR_PW_MASK	0x00ff	/* Pulse Width */
1003 #define PWMR_PW_SHIFT	0
1004 #define PWMR_CCPEN	0x0100	/* Contrast Control Enable */
1005 #define PWMR_SRC_MASK	0x0600	/* Input Clock Source */
1006 #define   PWMR_SRC_LINE	  0x0000	/* Line Pulse  */
1007 #define   PWMR_SRC_PIXEL  0x0200	/* Pixel Clock */
1008 #define   PWMR_SRC_LCD    0x4000	/* LCD clock   */
1009 
1010 /**********
1011  *
1012  * 0xFFFFFBxx -- Real-Time Clock (RTC)
1013  *
1014  **********/
1015 
1016 /*
1017  * RTC Hours Minutes and Seconds Register
1018  */
1019 #define RTCTIME_ADDR	0xfffffb00
1020 #define RTCTIME		LONG_REF(RTCTIME_ADDR)
1021 
1022 #define RTCTIME_SECONDS_MASK	0x0000003f	/* Seconds */
1023 #define RTCTIME_SECONDS_SHIFT	0
1024 #define RTCTIME_MINUTES_MASK	0x003f0000	/* Minutes */
1025 #define RTCTIME_MINUTES_SHIFT	16
1026 #define RTCTIME_HOURS_MASK	0x1f000000	/* Hours */
1027 #define RTCTIME_HOURS_SHIFT	24
1028 
1029 /*
1030  *  RTC Alarm Register
1031  */
1032 #define RTCALRM_ADDR    0xfffffb04
1033 #define RTCALRM         LONG_REF(RTCALRM_ADDR)
1034 
1035 #define RTCALRM_SECONDS_MASK    0x0000003f      /* Seconds */
1036 #define RTCALRM_SECONDS_SHIFT   0
1037 #define RTCALRM_MINUTES_MASK    0x003f0000      /* Minutes */
1038 #define RTCALRM_MINUTES_SHIFT   16
1039 #define RTCALRM_HOURS_MASK      0x1f000000      /* Hours */
1040 #define RTCALRM_HOURS_SHIFT     24
1041 
1042 /*
1043  * Watchdog Timer Register
1044  */
1045 #define WATCHDOG_ADDR	0xfffffb0a
1046 #define WATCHDOG	WORD_REF(WATCHDOG_ADDR)
1047 
1048 #define WATCHDOG_EN	0x0001	/* Watchdog Enabled */
1049 #define WATCHDOG_ISEL	0x0002	/* Select the watchdog interrupt */
1050 #define WATCHDOG_INTF	0x0080	/* Watchdog interrupt occcured */
1051 #define WATCHDOG_CNT_MASK  0x0300	/* Watchdog Counter */
1052 #define WATCHDOG_CNT_SHIFT 8
1053 
1054 /*
1055  * RTC Control Register
1056  */
1057 #define RTCCTL_ADDR	0xfffffb0c
1058 #define RTCCTL		WORD_REF(RTCCTL_ADDR)
1059 
1060 #define RTCCTL_XTL	0x0020	/* Crystal Selection */
1061 #define RTCCTL_EN	0x0080	/* RTC Enable */
1062 
1063 /* '328-compatible definitions */
1064 #define RTCCTL_384	RTCCTL_XTL
1065 #define RTCCTL_ENABLE	RTCCTL_EN
1066 
1067 /*
1068  * RTC Interrupt Status Register
1069  */
1070 #define RTCISR_ADDR	0xfffffb0e
1071 #define RTCISR		WORD_REF(RTCISR_ADDR)
1072 
1073 #define RTCISR_SW	0x0001	/* Stopwatch timed out */
1074 #define RTCISR_MIN	0x0002	/* 1-minute interrupt has occurred */
1075 #define RTCISR_ALM	0x0004	/* Alarm interrupt has occurred */
1076 #define RTCISR_DAY	0x0008	/* 24-hour rollover interrupt has occurred */
1077 #define RTCISR_1HZ	0x0010	/* 1Hz interrupt has occurred */
1078 #define RTCISR_HR	0x0020	/* 1-hour interrupt has occurred */
1079 #define RTCISR_SAM0	0x0100	/*   4Hz /   4.6875Hz interrupt has occurred */
1080 #define RTCISR_SAM1	0x0200	/*   8Hz /   9.3750Hz interrupt has occurred */
1081 #define RTCISR_SAM2	0x0400	/*  16Hz /  18.7500Hz interrupt has occurred */
1082 #define RTCISR_SAM3	0x0800	/*  32Hz /  37.5000Hz interrupt has occurred */
1083 #define RTCISR_SAM4	0x1000	/*  64Hz /  75.0000Hz interrupt has occurred */
1084 #define RTCISR_SAM5	0x2000	/* 128Hz / 150.0000Hz interrupt has occurred */
1085 #define RTCISR_SAM6	0x4000	/* 256Hz / 300.0000Hz interrupt has occurred */
1086 #define RTCISR_SAM7	0x8000	/* 512Hz / 600.0000Hz interrupt has occurred */
1087 
1088 /*
1089  * RTC Interrupt Enable Register
1090  */
1091 #define RTCIENR_ADDR	0xfffffb10
1092 #define RTCIENR		WORD_REF(RTCIENR_ADDR)
1093 
1094 #define RTCIENR_SW	0x0001	/* Stopwatch interrupt enable */
1095 #define RTCIENR_MIN	0x0002	/* 1-minute interrupt enable */
1096 #define RTCIENR_ALM	0x0004	/* Alarm interrupt enable */
1097 #define RTCIENR_DAY	0x0008	/* 24-hour rollover interrupt enable */
1098 #define RTCIENR_1HZ	0x0010	/* 1Hz interrupt enable */
1099 #define RTCIENR_HR	0x0020	/* 1-hour interrupt enable */
1100 #define RTCIENR_SAM0	0x0100	/*   4Hz /   4.6875Hz interrupt enable */
1101 #define RTCIENR_SAM1	0x0200	/*   8Hz /   9.3750Hz interrupt enable */
1102 #define RTCIENR_SAM2	0x0400	/*  16Hz /  18.7500Hz interrupt enable */
1103 #define RTCIENR_SAM3	0x0800	/*  32Hz /  37.5000Hz interrupt enable */
1104 #define RTCIENR_SAM4	0x1000	/*  64Hz /  75.0000Hz interrupt enable */
1105 #define RTCIENR_SAM5	0x2000	/* 128Hz / 150.0000Hz interrupt enable */
1106 #define RTCIENR_SAM6	0x4000	/* 256Hz / 300.0000Hz interrupt enable */
1107 #define RTCIENR_SAM7	0x8000	/* 512Hz / 600.0000Hz interrupt enable */
1108 
1109 /*
1110  * Stopwatch Minutes Register
1111  */
1112 #define STPWCH_ADDR	0xfffffb12
1113 #define STPWCH		WORD_REF(STPWCH)
1114 
1115 #define STPWCH_CNT_MASK	 0x003f	/* Stopwatch countdown value */
1116 #define SPTWCH_CNT_SHIFT 0
1117 
1118 /*
1119  * RTC Day Count Register
1120  */
1121 #define DAYR_ADDR	0xfffffb1a
1122 #define DAYR		WORD_REF(DAYR_ADDR)
1123 
1124 #define DAYR_DAYS_MASK	0x1ff	/* Day Setting */
1125 #define DAYR_DAYS_SHIFT 0
1126 
1127 /*
1128  * RTC Day Alarm Register
1129  */
1130 #define DAYALARM_ADDR	0xfffffb1c
1131 #define DAYALARM	WORD_REF(DAYALARM_ADDR)
1132 
1133 #define DAYALARM_DAYSAL_MASK	0x01ff	/* Day Setting of the Alarm */
1134 #define DAYALARM_DAYSAL_SHIFT 	0
1135 
1136 /**********
1137  *
1138  * 0xFFFFFCxx -- DRAM Controller
1139  *
1140  **********/
1141 
1142 /*
1143  * DRAM Memory Configuration Register
1144  */
1145 #define DRAMMC_ADDR	0xfffffc00
1146 #define DRAMMC		WORD_REF(DRAMMC_ADDR)
1147 
1148 #define DRAMMC_ROW12_MASK	0xc000	/* Row address bit for MD12 */
1149 #define   DRAMMC_ROW12_PA10	0x0000
1150 #define   DRAMMC_ROW12_PA21	0x4000
1151 #define   DRAMMC_ROW12_PA23	0x8000
1152 #define	DRAMMC_ROW0_MASK	0x3000	/* Row address bit for MD0 */
1153 #define	  DRAMMC_ROW0_PA11	0x0000
1154 #define   DRAMMC_ROW0_PA22	0x1000
1155 #define   DRAMMC_ROW0_PA23	0x2000
1156 #define DRAMMC_ROW11		0x0800	/* Row address bit for MD11 PA20/PA22 */
1157 #define DRAMMC_ROW10		0x0400	/* Row address bit for MD10 PA19/PA21 */
1158 #define	DRAMMC_ROW9		0x0200	/* Row address bit for MD9  PA9/PA19  */
1159 #define DRAMMC_ROW8		0x0100	/* Row address bit for MD8  PA10/PA20 */
1160 #define DRAMMC_COL10		0x0080	/* Col address bit for MD10 PA11/PA0  */
1161 #define DRAMMC_COL9		0x0040	/* Col address bit for MD9  PA10/PA0  */
1162 #define DRAMMC_COL8		0x0020	/* Col address bit for MD8  PA9/PA0   */
1163 #define DRAMMC_REF_MASK		0x001f	/* Reresh Cycle */
1164 #define DRAMMC_REF_SHIFT	0
1165 
1166 /*
1167  * DRAM Control Register
1168  */
1169 #define DRAMC_ADDR	0xfffffc02
1170 #define DRAMC		WORD_REF(DRAMC_ADDR)
1171 
1172 #define DRAMC_DWE	   0x0001	/* DRAM Write Enable */
1173 #define DRAMC_RST	   0x0002	/* Reset Burst Refresh Enable */
1174 #define DRAMC_LPR	   0x0004	/* Low-Power Refresh Enable */
1175 #define DRAMC_SLW	   0x0008	/* Slow RAM */
1176 #define DRAMC_LSP	   0x0010	/* Light Sleep */
1177 #define DRAMC_MSW	   0x0020	/* Slow Multiplexing */
1178 #define DRAMC_WS_MASK	   0x00c0	/* Wait-states */
1179 #define DRAMC_WS_SHIFT	   6
1180 #define DRAMC_PGSZ_MASK    0x0300	/* Page Size for fast page mode */
1181 #define DRAMC_PGSZ_SHIFT   8
1182 #define   DRAMC_PGSZ_256K  0x0000
1183 #define   DRAMC_PGSZ_512K  0x0100
1184 #define   DRAMC_PGSZ_1024K 0x0200
1185 #define	  DRAMC_PGSZ_2048K 0x0300
1186 #define DRAMC_EDO	   0x0400	/* EDO DRAM */
1187 #define DRAMC_CLK	   0x0800	/* Refresh Timer Clock source select */
1188 #define DRAMC_BC_MASK	   0x3000	/* Page Access Clock Cycle (FP mode) */
1189 #define DRAMC_BC_SHIFT	   12
1190 #define DRAMC_RM	   0x4000	/* Refresh Mode */
1191 #define DRAMC_EN	   0x8000	/* DRAM Controller enable */
1192 
1193 
1194 /**********
1195  *
1196  * 0xFFFFFDxx -- In-Circuit Emulation (ICE)
1197  *
1198  **********/
1199 
1200 /*
1201  * ICE Module Address Compare Register
1202  */
1203 #define ICEMACR_ADDR	0xfffffd00
1204 #define ICEMACR		LONG_REF(ICEMACR_ADDR)
1205 
1206 /*
1207  * ICE Module Address Mask Register
1208  */
1209 #define ICEMAMR_ADDR	0xfffffd04
1210 #define ICEMAMR		LONG_REF(ICEMAMR_ADDR)
1211 
1212 /*
1213  * ICE Module Control Compare Register
1214  */
1215 #define ICEMCCR_ADDR	0xfffffd08
1216 #define ICEMCCR		WORD_REF(ICEMCCR_ADDR)
1217 
1218 #define ICEMCCR_PD	0x0001	/* Program/Data Cycle Selection */
1219 #define ICEMCCR_RW	0x0002	/* Read/Write Cycle Selection */
1220 
1221 /*
1222  * ICE Module Control Mask Register
1223  */
1224 #define ICEMCMR_ADDR	0xfffffd0a
1225 #define ICEMCMR		WORD_REF(ICEMCMR_ADDR)
1226 
1227 #define ICEMCMR_PDM	0x0001	/* Program/Data Cycle Mask */
1228 #define ICEMCMR_RWM	0x0002	/* Read/Write Cycle Mask */
1229 
1230 /*
1231  * ICE Module Control Register
1232  */
1233 #define ICEMCR_ADDR	0xfffffd0c
1234 #define ICEMCR		WORD_REF(ICEMCR_ADDR)
1235 
1236 #define ICEMCR_CEN	0x0001	/* Compare Enable */
1237 #define ICEMCR_PBEN	0x0002	/* Program Break Enable */
1238 #define ICEMCR_SB	0x0004	/* Single Breakpoint */
1239 #define ICEMCR_HMDIS	0x0008	/* HardMap disable */
1240 #define ICEMCR_BBIEN	0x0010	/* Bus Break Interrupt Enable */
1241 
1242 /*
1243  * ICE Module Status Register
1244  */
1245 #define ICEMSR_ADDR	0xfffffd0e
1246 #define ICEMSR		WORD_REF(ICEMSR_ADDR)
1247 
1248 #define ICEMSR_EMUEN	0x0001	/* Emulation Enable */
1249 #define ICEMSR_BRKIRQ	0x0002	/* A-Line Vector Fetch Detected */
1250 #define ICEMSR_BBIRQ	0x0004	/* Bus Break Interrupt Detected */
1251 #define ICEMSR_EMIRQ	0x0008	/* EMUIRQ Falling Edge Detected */
1252 
1253 #endif /* _MC68EZ328_H_ */
1254