1/*	$NetBSD: i80321reg.h,v 1.15.38.1 2007/05/22 17:26:41 matt Exp $	*/
2
3/*
4 * Copyright (c) 2002 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *	This product includes software developed for the NetBSD Project by
20 *	Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 *    or promote products derived from this software without specific prior
23 *    written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38#ifndef _ARM_XSCALE_I80321REG_H_
39#define _ARM_XSCALE_I80321REG_H_
40
41/*
42 * Register definitions for the Intel 80321 (``Verde'') I/O processor,
43 * based on the XScale core.
44 */
45
46/*
47 * Base i80321 memory map:
48 *
49 *	0x0000.0000 - 0x7fff.ffff	ATU Outbound Direct Addressing Window
50 *	0x8000.0000 - 0x9001.ffff	ATU Outbound Translation Windows
51 *	0x9002.0000 - 0xffff.dfff	External Memory
52 *	0xffff.e000 - 0xffff.e8ff	Peripheral Memory Mapped Registers
53 *	0xffff.e900 - 0xffff.ffff	Reserved
54 */
55
56#define	VERDE_OUT_DIRECT_WIN_BASE	0x00000000UL
57#define	VERDE_OUT_DIRECT_WIN_SIZE	0x80000000UL
58#define VERDE_OUT_DIRECT_WIN_SKIP	0x10000000UL
59
60#define	VERDE_OUT_XLATE_MEM_WIN_SIZE	0x04000000UL
61#define	VERDE_OUT_XLATE_IO_WIN_SIZE	0x00010000UL
62
63#define	VERDE_OUT_XLATE_MEM_WIN0_BASE	0x80000000UL
64#define	VERDE_OUT_XLATE_MEM_WIN1_BASE	0x84000000UL
65
66#define	VERDE_OUT_XLATE_IO_WIN0_BASE	0x90000000UL
67
68#define	VERDE_EXTMEM_BASE		0x90020000UL
69
70#define	VERDE_PMMR_BASE			0xffffe000UL
71#define	VERDE_PMMR_SIZE			0x00001700UL
72
73/*
74 * Peripheral Memory Mapped Registers.  Defined as offsets
75 * from the VERDE_PMMR_BASE.
76 */
77#define	VERDE_ATU_BASE			0x0100
78#define	VERDE_ATU_SIZE			0x0100
79
80#define	VERDE_MU_BASE			0x0300
81#define	VERDE_MU_SIZE			0x0100
82
83#define	VERDE_DMA_BASE			0x0400
84#define	VERDE_DMA_BASE0			(VERDE_DMA_BASE + 0x00)
85#define	VERDE_DMA_BASE1			(VERDE_DMA_BASE + 0x40)
86#define	VERDE_DMA_SIZE			0x0100
87#define	VERDE_DMA_CHSIZE		0x0040
88
89#define	VERDE_MCU_BASE			0x0500
90#define	VERDE_MCU_SIZE			0x0100
91
92#define	VERDE_SSP_BASE			0x0600
93#define	VERDE_SSP_SIZE			0x0080
94
95#define	VERDE_PBIU_BASE			0x0680
96#define	VERDE_PBIU_SIZE			0x0080
97
98#define	VERDE_AAU_BASE			0x0800
99#define	VERDE_AAU_SIZE			0x0100
100
101#define	VERDE_I2C_BASE			0x1680
102#define	VERDE_I2C_BASE0			(VERDE_I2C_BASE + 0x00)
103#define	VERDE_I2C_BASE1			(VERDE_I2C_BASE + 0x20)
104#define	VERDE_I2C_SIZE			0x0080
105#define	VERDE_I2C_CHSIZE		0x0020
106
107/*
108 * Address Translation Unit
109 */
110	/* 0x00 - 0x38 -- PCI configuration space header */
111#define	ATU_IALR0	0x40	/* Inbound ATU Limit 0 */
112#define	ATU_IATVR0	0x44	/* Inbound ATU Xlate Value 0 */
113#define	ATU_ERLR	0x48	/* Expansion ROM Limit */
114#define	ATU_ERTVR	0x4c	/* Expansion ROM Xlate Value */
115#define	ATU_IALR1	0x50	/* Inbound ATU Limit 1 */
116#define	ATU_IALR2	0x54	/* Inbound ATU Limit 2 */
117#define	ATU_IATVR2	0x58	/* Inbound ATU Xlate Value 2 */
118#define	ATU_OIOWTVR	0x5c	/* Outbound I/O Window Xlate Value */
119#define	ATU_OMWTVR0	0x60	/* Outbound Mem Window Xlate Value 0 */
120#define	ATU_OUMWTVR0	0x64	/* Outbound Mem Window Xlate Value 0 Upper */
121#define	ATU_OMWTVR1	0x68	/* Outbound Mem Window Xlate Value 1 */
122#define	ATU_OUMWTVR1	0x6c	/* Outbound Mem Window Xlate Value 1 Upper */
123#define	ATU_OUDWTVR	0x78	/* Outbound Mem Direct Xlate Value Upper */
124#define	ATU_ATUCR	0x80	/* ATU Configuration */
125#define	ATU_PCSR	0x84	/* PCI Configuration and Status */
126#define	ATU_ATUISR	0x88	/* ATU Interrupt Status */
127#define	ATU_ATUIMR	0x8c	/* ATU Interrupt Mask */
128#define	ATU_IABAR3	0x90	/* Inbound ATU Base Address 3 */
129#define	ATU_IAUBAR3	0x94	/* Inbound ATU Base Address 3 Upper */
130#define	ATU_IALR3	0x98	/* Inbound ATU Limit 3 */
131#define	ATU_IATVR3	0x9c	/* Inbound ATU Xlate Value 3 */
132#define	ATU_OCCAR	0xa4	/* Outbound Configuration Cycle Address */
133#define	ATU_OCCDR	0xac	/* Outbound Configuration Cycle Data */
134#define	ATU_MSI_PORT	0xb4	/* MSI port */
135#define	ATU_PDSCR	0xbc	/* PCI Bus Drive Strength Control */
136#define	ATU_PCI_X_CAP_ID 0xe0	/* (1) */
137#define	ATU_PCI_X_NEXT	0xe1	/* (1) */
138#define	ATU_PCIXCMD	0xe2	/* PCI-X Command Register (2) */
139#define	ATU_PCIXSR	0xe4	/* PCI-X Status Register */
140
141#define	ATUCR_DRC_ALIAS		(1U << 19)
142#define	ATUCR_DAU2GXEN		(1U << 18)
143#define	ATUCR_P_SERR_MA		(1U << 16)
144#define	ATUCR_DTS		(1U << 15)
145#define	ATUCR_P_SERR_DIE	(1U << 9)
146#define	ATUCR_DAE		(1U << 8)
147#define	ATUCR_BIST_IE		(1U << 3)
148#define	ATUCR_OUT_EN		(1U << 1)
149
150#define	PCSR_DAAAPE		(1U << 18)
151#define	PCSR_PCI_X_CAP		(3U << 16)
152#define	PCSR_PCI_X_CAP_BORING	(0 << 16)
153#define	PCSR_PCI_X_CAP_66	(1U << 16)
154#define	PCSR_PCI_X_CAP_100	(2U << 16)
155#define	PCSR_PCI_X_CAP_133	(3U << 16)
156#define	PCSR_OTQB		(1U << 15)
157#define	PCSR_IRTQB		(1U << 14)
158#define	PCSR_DTV		(1U << 12)
159#define	PCSR_BUS66		(1U << 10)
160#define	PCSR_BUS64		(1U << 8)
161#define	PCSR_RIB		(1U << 5)
162#define	PCSR_RPB		(1U << 4)
163#define	PCSR_CCR		(1U << 2)
164#define	PCSR_CPR		(1U << 1)
165
166#define	ATUISR_IMW1BU		(1U << 14)
167#define	ATUISR_ISCEM		(1U << 13)
168#define	ATUISR_RSCEM		(1U << 12)
169#define	ATUISR_PST		(1U << 11)
170#define	ATUISR_P_SERR_ASRT	(1U << 10)
171#define	ATUISR_DPE		(1U << 9)
172#define	ATUISR_BIST		(1U << 8)
173#define	ATUISR_IBMA		(1U << 7)
174#define	ATUISR_P_SERR_DET	(1U << 4)
175#define	ATUISR_PMA		(1U << 3)
176#define	ATUISR_PTAM		(1U << 2)
177#define	ATUISR_PTAT		(1U << 1)
178#define	ATUISR_PMPE		(1U << 0)
179
180#define	ATUIMR_IMW1BU		(1U << 11)
181#define	ATUIMR_ISCEM		(1U << 10)
182#define	ATUIMR_RSCEM		(1U << 9)
183#define	ATUIMR_PST		(1U << 8)
184#define	ATUIMR_DPE		(1U << 7)
185#define	ATUIMR_P_SERR_ASRT	(1U << 6)
186#define	ATUIMR_PMA		(1U << 5)
187#define	ATUIMR_PTAM		(1U << 4)
188#define	ATUIMR_PTAT		(1U << 3)
189#define	ATUIMR_PMPE		(1U << 2)
190#define	ATUIMR_IE_SERR_EN	(1U << 1)
191#define	ATUIMR_ECC_TAE		(1U << 0)
192
193#define	PCIXCMD_MOST_1		(0 << 4)
194#define	PCIXCMD_MOST_2		(1 << 4)
195#define	PCIXCMD_MOST_3		(2 << 4)
196#define	PCIXCMD_MOST_4		(3 << 4)
197#define	PCIXCMD_MOST_8		(4 << 4)
198#define	PCIXCMD_MOST_12		(5 << 4)
199#define	PCIXCMD_MOST_16		(6 << 4)
200#define	PCIXCMD_MOST_32		(7 << 4)
201#define	PCIXCMD_MOST_MASK	(7 << 4)
202#define	PCIXCMD_MMRBC_512	(0 << 2)
203#define	PCIXCMD_MMRBC_1024	(1 << 2)
204#define	PCIXCMD_MMRBC_2048	(2 << 2)
205#define	PCIXCMD_MMRBC_4096	(3 << 2)
206#define	PCIXCMD_MMRBC_MASK	(3 << 2)
207#define	PCIXCMD_ERO		(1U << 1)
208#define	PCIXCMD_DPERE		(1U << 0)
209
210#define	PCIXSR_RSCEM		(1U << 29)
211#define	PCIXSR_DMCRS_MASK	(7 << 26)
212#define	PCIXSR_DMOST_MASK	(7 << 23)
213#define	PCIXSR_COMPLEX		(1U << 20)
214#define	PCIXSR_USC		(1U << 19)
215#define	PCIXSR_SCD		(1U << 18)
216#define	PCIXSR_133_CAP		(1U << 17)
217#define	PCIXSR_32PCI		(1U << 16)	/* 0 = 32, 1 = 64 */
218#define	PCIXSR_BUSNO(x)		(((x) & 0xff00) >> 8)
219#define	PCIXSR_DEVNO(x)		(((x) & 0xf8) >> 3)
220#define	PCIXSR_FUNCNO(x)	((x) & 0x7)
221
222/*
223 * Memory Controller Unit
224 */
225#define	MCU_SDIR		0x00	/* DDR SDRAM Init. Register */
226#define	MCU_SDCR		0x04	/* DDR SDRAM Control Register */
227#define	MCU_SDBR		0x08	/* SDRAM Base Register */
228#define	MCU_SBR0		0x0c	/* SDRAM Boundary 0 */
229#define	MCU_SBR1		0x10	/* SDRAM Boundary 1 */
230#define	MCU_ECCR		0x34	/* ECC Control Register */
231#define	MCU_ELOG0		0x38	/* ECC Log 0 */
232#define	MCU_ELOG1		0x3c	/* ECC Log 1 */
233#define	MCU_ECAR0		0x40	/* ECC address 0 */
234#define	MCU_ECAR1		0x44	/* ECC address 1 */
235#define	MCU_ECTST		0x48	/* ECC test register */
236#define	MCU_MCISR		0x4c	/* MCU Interrupt Status Register */
237#define	MCU_RFR			0x50	/* Refresh Frequency Register */
238#define	MCU_DBUDSR		0x54	/* Data Bus Pull-up Drive Strength */
239#define	MCU_DBDDSR		0x58	/* Data Bus Pull-down Drive Strength */
240#define	MCU_CUDSR		0x5c	/* Clock Pull-up Drive Strength */
241#define	MCU_CDDSR		0x60	/* Clock Pull-down Drive Strength */
242#define	MCU_CEUDSR		0x64	/* Clock En Pull-up Drive Strength */
243#define	MCU_CEDDSR		0x68	/* Clock En Pull-down Drive Strength */
244#define	MCU_CSUDSR		0x6c	/* Chip Sel Pull-up Drive Strength */
245#define	MCU_CSDDSR		0x70	/* Chip Sel Pull-down Drive Strength */
246#define	MCU_REUDSR		0x74	/* Rx En Pull-up Drive Strength */
247#define	MCU_REDDSR		0x78	/* Rx En Pull-down Drive Strength */
248#define	MCU_ABUDSR		0x7c	/* Addr Bus Pull-up Drive Strength */
249#define	MCU_ABDDSR		0x80	/* Addr Bus Pull-down Drive Strength */
250#define	MCU_DSDR		0x84	/* Data Strobe Delay Register */
251#define	MCU_REDR		0x88	/* Rx Enable Delay Register */
252
253#define	SDCR_DIMMTYPE		(1U << 1)	/* 0 = unbuf, 1 = reg */
254#define	SDCR_BUSWIDTH		(1U << 2)	/* 0 = 64, 1 = 32 */
255
256#define	SBRx_TECH		(1U << 31)
257#define	SBRx_BOUND		0x0000003f
258
259#define	ECCR_SBERE		(1U << 0)
260#define	ECCR_MBERE		(1U << 1)
261#define	ECCR_SBECE		(1U << 2)
262#define	ECCR_ECCEN		(1U << 3)
263
264#define	ELOGx_SYNDROME		0x000000ff
265#define	ELOGx_ERRTYPE		(1U << 8)	/* 1 = multi-bit */
266#define	ELOGx_RW		(1U << 12)	/* 1 = write error */
267	/*
268	 * Dev ID	Func		Requester
269	 * 2		0		XScale core
270	 * 2		1		ATU
271	 * 13		0		DMA channel 0
272	 * 13		1		DMA channel 1
273	 * 26		0		ATU
274	 */
275#define	ELOGx_REQ_DEV(x)	(((x) >> 19) & 0x1f)
276#define	ELOGx_REQ_FUNC(x)	(((x) >> 16) & 0x3)
277
278#define	MCISR_ECC_ERR0		(1U << 0)
279#define	MCISR_ECC_ERR1		(1U << 1)
280#define	MCISR_ECC_ERRN		(1U << 2)
281
282/*
283 * Timers
284 *
285 * The i80321 timer registers are available in both memory-mapped
286 * and coprocessor spaces.  Most of the registers are read-only
287 * if memory-mapped, so we access them via coprocessor space.
288 *
289 *	TMR0	cp6 c0,1	0xffffe7e0
290 *	TMR1	cp6 c1,1	0xffffe7e4
291 *	TCR0	cp6 c2,1	0xffffe7e8
292 *	TCR1	cp6 c3,1	0xffffe7ec
293 *	TRR0	cp6 c4,1	0xffffe7f0
294 *	TRR1	cp6 c5,1	0xffffe7f4
295 *	TISR	cp6 c6,1	0xffffe7f8
296 *	WDTCR	cp6 c7,1	0xffffe7fc
297 */
298
299#define	TMRx_TC			(1U << 0)
300#define	TMRx_ENABLE		(1U << 1)
301#define	TMRx_RELOAD		(1U << 2)
302#define	TMRx_CSEL_CORE		(0 << 4)
303#define	TMRx_CSEL_CORE_div4	(1 << 4)
304#define	TMRx_CSEL_CORE_div8	(2 << 4)
305#define	TMRx_CSEL_CORE_div16	(3 << 4)
306
307#define	TISR_TMR0		(1U << 0)
308#define	TISR_TMR1		(1U << 1)
309
310#define	WDTCR_ENABLE1		0x1e1e1e1e
311#define	WDTCR_ENABLE2		0xe1e1e1e1
312
313/*
314 * Interrupt Controller Unit.
315 *
316 *	INTCTL	cp6 c0,0	0xffffe7d0
317 *	INTSTR	cp6 c4,0	0xffffe7d4
318 *	IINTSRC	cp6 c8,0	0xffffe7d8
319 *	FINTSRC	cp6 c9,0	0xffffe7dc
320 *	PIRSR			0xffffe1ec
321 */
322
323#define	ICU_PIRSR		0x01ec
324#define	ICU_GPOE		0x07c4
325#define	ICU_GPID		0x07c8
326#define	ICU_GPOD		0x07cc
327
328/*
329 * NOTE: WE USE THE `bitXX' BITS TO INDICATE PENDING SOFTWARE
330 * INTERRUPTS.  See i80321_icu.c
331 */
332#define	ICU_INT_HPI		31	/* high priority interrupt */
333#define	ICU_INT_XINT0		27	/* external interrupts */
334#define	ICU_INT_XINT(x)		((x) + ICU_INT_XINT0)
335#define	ICU_INT_bit26		26
336#define	ICU_INT_SSP		25	/* SSP serial port */
337#define	ICU_INT_MUE		24	/* msg unit error */
338#define	ICU_INT_AAUE		23	/* AAU error */
339#define	ICU_INT_bit22		22
340#define	ICU_INT_DMA1E		21	/* DMA Ch 1 error */
341#define	ICU_INT_DMA0E		20	/* DMA Ch 0 error */
342#define	ICU_INT_MCUE		19	/* memory controller error */
343#define	ICU_INT_ATUE		18	/* ATU error */
344#define	ICU_INT_BIUE		17	/* bus interface unit error */
345#define	ICU_INT_PMU		16	/* XScale PMU */
346#define	ICU_INT_PPM		15	/* peripheral PMU */
347#define	ICU_INT_BIST		14	/* ATU Start BIST */
348#define	ICU_INT_MU		13	/* messaging unit */
349#define	ICU_INT_I2C1		12	/* i2c unit 1 */
350#define	ICU_INT_I2C0		11	/* i2c unit 0 */
351#define	ICU_INT_TMR1		10	/* timer 1 */
352#define	ICU_INT_TMR0		9	/* timer 0 */
353#define	ICU_INT_CPPM		8	/* core processor PMU */
354#define	ICU_INT_AAU_EOC		7	/* AAU end-of-chain */
355#define	ICU_INT_AAU_EOT		6	/* AAU end-of-transfer */
356#define	ICU_INT_bit5		5
357#define	ICU_INT_bit4		4
358#define	ICU_INT_DMA1_EOC	3	/* DMA1 end-of-chain */
359#define	ICU_INT_DMA1_EOT	2	/* DMA1 end-of-transfer */
360#define	ICU_INT_DMA0_EOC	1	/* DMA0 end-of-chain */
361#define	ICU_INT_DMA0_EOT	0	/* DMA0 end-of-transfer */
362
363#define	ICU_INT_HWMASK		(0xffffffff & \
364					~((1 << ICU_INT_bit26) | \
365					  (1 << ICU_INT_bit22) | \
366					  (1 << ICU_INT_bit5)  | \
367					  (1 << ICU_INT_bit4)))
368
369/*
370 * SSP Serial Port
371 */
372
373#define	SSP_SSCR0	0x00		/* SSC control 0 */
374#define	SSP_SSCR1	0x04		/* SSC control 1 */
375#define	SSP_SSSR	0x08		/* SSP status */
376#define	SSP_SSITR	0x0c		/* SSP interrupt test */
377#define	SSP_SSDR	0x10		/* SSP data */
378
379#define	SSP_SSCR0_DSIZE(x)	((x) - 1)/* data size: 4..16 */
380#define	SSP_SSCR0_FRF_SPI	(0 << 4) /* Motorola Serial Periph Iface */
381#define	SSP_SSCR0_FRF_SSP	(1U << 4)/* TI Sync. Serial Protocol */
382#define	SSP_SSCR0_FRF_UWIRE	(2U << 4)/* NatSemi Microwire */
383#define	SSP_SSCR0_FRF_rsvd	(3U << 4)/* reserved */
384#define	SSP_SSCR0_ECS		(1U << 6)/* external clock select */
385#define	SSP_SSCR0_SSE		(1U << 7)/* sync. serial port enable */
386#define	SSP_SSCR0_SCR(x)	((x) << 8)/* serial clock rate */
387					  /* bit rate = 3.6864 * 10e6 /
388					        (2 * (SCR + 1)) */
389
390#define	SSP_SSCR1_RIE		(1U << 0)/* Rx FIFO interrupt enable */
391#define	SSP_SSCR1_TIE		(1U << 1)/* Tx FIFO interrupt enable */
392#define	SSP_SSCR1_LBM		(1U << 2)/* loopback mode enable */
393#define	SSP_SSCR1_SPO		(1U << 3)/* Moto SPI SSCLK pol. (1 = high) */
394#define	SSP_SSCR1_SPH		(1U << 4)/* Moto SPI SSCLK phase:
395					    0 = inactive full at start,
396						1/2 at end of frame
397					    1 = inactive 1/2 at start,
398						full at end of frame */
399#define	SSP_SSCR1_MWDS		(1U << 5)/* Microwire data size:
400					    0 = 8 bit
401					    1 = 16 bit */
402#define	SSP_SSCR1_TFT		(((x) - 1) << 6) /* Tx FIFO threshold */
403#define	SSP_SSCR1_RFT		(((x) - 1) << 10)/* Rx FIFO threshold */
404#define	SSP_SSCR1_EFWR		(1U << 14)/* enab. FIFO write/read */
405#define	SSP_SSCR1_STRF		(1U << 15)/* FIFO write/read FIFO select:
406					     0 = Tx FIFO
407					     1 = Rx FIFO */
408
409#define	SSP_SSSR_TNF		(1U << 2)/* Tx FIFO not full */
410#define	SSP_SSSR_RNE		(1U << 3)/* Rx FIFO not empty */
411#define	SSP_SSSR_BSY		(1U << 4)/* SSP is busy */
412#define	SSP_SSSR_TFS		(1U << 5)/* Tx FIFO service request */
413#define	SSP_SSSR_RFS		(1U << 6)/* Rx FIFO service request */
414#define	SSP_SSSR_ROR		(1U << 7)/* Rx FIFO overrun */
415#define	SSP_SSSR_TFL(x)		(((x) >> 8) & 0xf) /* Tx FIFO level */
416#define	SSP_SSSR_RFL(x)		(((x) >> 12) & 0xf)/* Rx FIFO level */
417
418#define	SSP_SSITR_TTFS		(1U << 5)/* Test Tx FIFO service */
419#define	SSP_SSITR_TRFS		(1U << 6)/* Test Rx FIFO service */
420#define	SSP_SSITR_TROR		(1U << 7)/* Test Rx overrun */
421
422/*
423 * Peripheral Bus Interface Unit
424 */
425
426#define PBIU_PBCR		0x00	/* PBIU Control Register */
427#define PBIU_PBBAR0		0x08	/* PBIU Base Address Register 0 */
428#define PBIU_PBLR0		0x0c	/* PBIU Limit Register 0 */
429#define PBIU_PBBAR1		0x10	/* PBIU Base Address Register 1 */
430#define PBIU_PBLR1		0x14	/* PBIU Limit Register 1 */
431#define PBIU_PBBAR2		0x18	/* PBIU Base Address Register 2 */
432#define PBIU_PBLR2		0x1c	/* PBIU Limit Register 2 */
433#define PBIU_PBBAR3		0x20	/* PBIU Base Address Register 3 */
434#define PBIU_PBLR3		0x24	/* PBIU Limit Register 3 */
435#define PBIU_PBBAR4		0x28	/* PBIU Base Address Register 4 */
436#define PBIU_PBLR4		0x2c	/* PBIU Limit Register 4 */
437#define PBIU_PBBAR5		0x30	/* PBIU Base Address Register 5 */
438#define PBIU_PBLR5		0x34	/* PBIU Limit Register 5 */
439#define PBIU_DSCR		0x38	/* PBIU Drive Strength Control Reg. */
440#define PBIU_MBR0		0x40	/* PBIU Memory-less Boot Reg. 0 */
441#define PBIU_MBR1		0x60	/* PBIU Memory-less Boot Reg. 1 */
442#define PBIU_MBR2		0x64	/* PBIU Memory-less Boot Reg. 2 */
443
444#define	PBIU_PBCR_PBIEN		(1 << 0)
445#define	PBIU_PBCR_PBI100	(1 << 1)
446#define	PBIU_PBCR_PBI66		(2 << 1)
447#define	PBIU_PBCR_PBI33		(3 << 1)
448#define	PBIU_PBCR_PBBEN		(1 << 3)
449
450#define	PBIU_PBARx_WIDTH8	(0 << 0)
451#define	PBIU_PBARx_WIDTH16	(1 << 0)
452#define	PBIU_PBARx_WIDTH32	(2 << 0)
453#define	PBIU_PBARx_ADWAIT4	(0 << 2)
454#define	PBIU_PBARx_ADWAIT8	(1 << 2)
455#define	PBIU_PBARx_ADWAIT12	(2 << 2)
456#define	PBIU_PBARx_ADWAIT16	(3 << 2)
457#define	PBIU_PBARx_ADWAIT20	(4 << 2)
458#define	PBIU_PBARx_RCWAIT1	(0 << 6)
459#define	PBIU_PBARx_RCWAIT4	(1 << 6)
460#define	PBIU_PBARx_RCWAIT8	(2 << 6)
461#define	PBIU_PBARx_RCWAIT12	(3 << 6)
462#define	PBIU_PBARx_RCWAIT16	(4 << 6)
463#define	PBIU_PBARx_RCWAIT20	(5 << 6)
464#define	PBIU_PBARx_FWE		(1 << 9)
465#define	PBIU_BASE_MASK		0xfffff000U
466
467#define	PBIU_PBLRx_SIZE(x)	(~((x) - 1))
468
469/*
470 * Messaging Unit
471 */
472#define MU_IMR0			0x0010	/* MU Inbound Message Register 0 */
473#define MU_IMR1			0x0014	/* MU Inbound Message Register 1 */
474#define MU_OMR0			0x0018	/* MU Outbound Message Register 0 */
475#define MU_OMR1			0x001c	/* MU Outbound Message Register 1 */
476#define MU_IDR			0x0020	/* MU Inbound Doorbell Register */
477#define MU_IISR			0x0024	/* MU Inbound Interrupt Status Reg */
478#define MU_IIMR			0x0028	/* MU Inbound Interrupt Mask Reg */
479#define MU_ODR			0x002c	/* MU Outbound Doorbell Register */
480#define MU_OISR			0x0030	/* MU Outbound Interrupt Status Reg */
481#define MU_OIMR			0x0034	/* MU Outbound Interrupt Mask Reg */
482#define MU_MUCR			0x0050	/* MU Configuration Register */
483#define MU_QBAR			0x0054	/* MU Queue Base Address Register */
484#define MU_IFHPR		0x0060	/* MU Inbound Free Head Pointer Reg */
485#define MU_IFTPR		0x0064	/* MU Inbound Free Tail Pointer Reg */
486#define MU_IPHPR		0x0068	/* MU Inbound Post Head Pointer Reg */
487#define MU_IPTPR		0x006c	/* MU Inbound Post Tail Pointer Reg */
488#define MU_OFHPR		0x0070	/* MU Outbound Free Head Pointer Reg */
489#define MU_OFTPR		0x0074	/* MU Outbound Free Tail Pointer Reg */
490#define MU_OPHPR		0x0078	/* MU Outbound Post Head Pointer Reg */
491#define MU_OPTPR		0x007c	/* MU Outbound Post Tail Pointer Reg */
492#define MU_IAR			0x0080	/* MU Index Address Register */
493
494#define MU_IIMR_IRI	(1 << 6)	/* Index Register Interrupt */
495#define MU_IIMR_OFQFI	(1 << 5)	/* Outbound Free Queue Full Int. */
496#define MU_IIMR_IPQI	(1 << 4)	/* Inbound Post Queue Interrupt */
497#define MU_IIMR_EDI	(1 << 3)	/* Error Doorbell Interrupt */
498#define MU_IIMR_IDI	(1 << 2)	/* Inbound Doorbell Interrupt */
499#define MU_IIMR_IM1I	(1 << 1)	/* Inbound Message 1 Interrupt */
500#define MU_IIMR_IM0I	(1 << 0)	/* Inbound Message 0 Interrupt */
501
502#endif /* _ARM_XSCALE_I80321REG_H_ */
503