1/*	$NetBSD: ifpgareg.h,v 1.3 2005/12/11 12:17:09 christos Exp $ */
2
3/*
4 * Copyright (c) 2001 ARM Ltd
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the company may not be used to endorse or promote
16 *    products derived from this software without specific prior written
17 *    permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
20 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
23 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32/* System clock defaults. */
33
34#define IFPGA_UART_CLK			14745600 /* Uart REFCLK freq */
35#define IFPGA_UART_SIZE			0x24
36
37/*
38 * IFPGA registers
39 */
40
41/* Core module */
42#define IFPGA_CM_ID			0x00000000	/* ID register */
43#define IFPGA_CM_PROC			0x00000004	/* Processor Reg */
44#define IFPGA_CM_OSC			0x00000008	/* Oscillator ctrl */
45#define IFPGA_CM_CTRL			0x0000000c	/* Control Reg */
46#define IFPGA_CM_STAT			0x00000010	/* Status Reg */
47#define IFPGA_CM_LOCK			0x00000014	/* Lock */
48#define IFPGA_CM_SDRAM			0x00000020	/* SDRAM stat/ctrl */
49#define IFPGA_CM_IRQ_STAT		0x00000040	/* IRQ Status */
50#define IFPGA_CM_IRQ_RSTAT		0x00000044	/* IRQ Raw status */
51#define IFPGA_CM_IRQ_ENSET		0x00000048	/* IRQ Enable set */
52#define IFPGA_CM_IRQ_ENCLR		0x0000004c	/* IRQ Enable clr */
53#define IFPGA_CM_SOFT_INTSET		0x00000050	/* S/W Int set */
54#define IFPGA_CM_SOFT_INTCLR		0x00000054	/* S/W Int clr */
55#define IFPGA_CM_FIQ_STAT		0x00000060	/* FIQ Status */
56#define IFPGA_CM_FIQ_RSTAT		0x00000064	/* FIQ Raw Status */
57#define IFPGA_CM_FIQ_ENSET		0x00000068	/* FIQ Enable set */
58#define IFPGA_CM_FIQ_ENCLR		0x0000006c	/* FIQ Enable clr */
59#define IFPGA_CM_SPD			0x00000100	/* SDRAM SPD memory */
60
61	/* CM-ARM10200 module only */
62#define IFPGA_CM_LMBUSCNT		0x00000018	/* LMBUS counter */
63#define IFPGA_CM_AUXOSC			0x0000001c	/* Aux Oscillator */
64#define IFPGA_CM_INIT			0x00000024	/* Initialization */
65#define IFPGA_CM_REFCNT			0x00000028	/* 24MHz counter */
66#define IFPGA_CM_FLAGS			0x00000030	/* Flags reg ? */
67#define IFPGA_CM_FLAGSS			0x00000030	/* Flags set */
68#define IFPGA_CM_FLAGSC			0x00000034	/* Flags clr */
69#define IFPGA_CM_NVFLAGS		0x00000038	/* NVFlags reg ? */
70#define IFPGA_CM_NVFLAGSS		0x00000038	/* NVFlags set */
71#define IFPGA_CM_NVFLAGSC		0x0000003c	/* NVFlags clr */
72
73/* CM_ID reg */
74#define IFPGA_CM_ID_MAN_MASK		0xff000000	/* Manufacturer ID */
75#define IFPGA_CM_ID_MAN_ARM		0x41000000	/* ARM Ltd */
76#define IFPGA_CM_ID_ARCH_MASK		0x00ff0000	/* Architecture */
77#define IFPGA_CM_ID_ARCH_ASBLE		0x00000000	/* ASB Little-endian */
78#define IFPGA_CM_ID_ARCH_AHBLE		0x00010000	/* AHB Little-endian */
79#define IFPGA_CM_ID_FPGA_MASK		0x0000f000	/* FPGA type */
80#define IFPGA_CM_ID_FPGA_XC4036		0x00000000	/* XC4036 */
81#define IFPGA_CM_ID_FPGA_XCV600		0x00003000	/* XCV600 */
82#define IFPGA_CM_ID_BUILD_MASK		0x00000ff0	/* Build number */
83#define IFPGA_CM_ID_BUILD_SHIFT		4
84#define IFPGA_CM_ID_REV_MASK		0x0000000f	/* Revision number */
85#define IFPGA_CM_ID_REV_A		0x00000000	/* Revision A */
86#define IFPGA_CM_ID_REV_B		0x00000001	/* Revision B */
87
88/* System controller */
89#define IFPGA_SC_ID			0x00000000	/* ID register */
90#define IFPGA_SC_OSC			0x00000004	/* Oscillator ctrl */
91#define IFPGA_SC_CTRLS			0x00000008	/* Ctrl Regs Set */
92#define IFPGA_SC_CTRLC			0x0000000c	/* Ctrl Regs Clr */
93#define IFPGA_SC_DEC			0x00000010	/* Decoder status */
94#define IFPGA_SC_ARB			0x00000014	/* Arbiter time-out */
95#define IFPGA_SC_PCI			0x00000018	/* PIC Ctrl */
96#define IFPGA_SC_LOCK			0x0000001c	/* Lock */
97#define IFPGA_SC_LBFADDR		0x00000020	/* PCI Lbus flt addr */
98#define IFPGA_SC_LBFCODE		0x00000024	/* PCI Lbus flt code */
99
100/* SC_ID reg */
101#define IFPGA_SC_ID_MAN_MASK		0xff000000	/* Manufacturer ID */
102#define IFPGA_SC_ID_MAN_ARM		0x41000000	/* ARM Ltd */
103#define IFPGA_SC_ID_ARCH_MASK		0x00ff0000	/* Architecture */
104#define IFPGA_SC_ID_ARCH_ASBLE		0x00000000	/* ASB Little-endian */
105#define IFPGA_SC_ID_ARCH_AHBLE		0x00010000	/* AHB Little-endian */
106#define IFPGA_SC_ID_FPGA_MASK		0x0000f000	/* FPGA type */
107#define IFPGA_SC_ID_FPGA_XC4062		0x00001000	/* XC4062 */
108#define IFPGA_SC_ID_FPGA_XC4085		0x00002000	/* XC4085 */
109#define IFPGA_SC_ID_BUILD_MASK		0x00000ff0	/* Build number */
110#define IFPGA_SC_ID_BUILD_SHIFT		4
111#define IFPGA_SC_ID_REV_MASK		0x0000000f	/* Revision number */
112#define IFPGA_SC_ID_REV_A		0x00000000	/* Revision A */
113#define IFPGA_SC_ID_REV_B		0x00000001	/* Revision B */
114
115/* SC_OSC reg */
116#define IFPGA_SC_OSC_DIV_X_Y		0x80
117#define IFPGA_SC_OSC_S_VDW		0x7f
118
119/* SC_CTRLS & SC_CTRLC regs */
120#define IFPGA_SC_CTRL_UART0RTS		0x80		/* Active low */
121#define IFPGA_SC_CTRL_UART0DTR		0x40		/* Active low */
122#define IFPGA_SC_CTRL_UART1RTS		0x20		/* Active low */
123#define IFPGA_SC_CTRL_UART1DTR		0x10		/* Active low */
124#define IFPGA_SC_CTRL_FLASHWP		0x04		/* W/P Flash */
125#define IFPGA_SC_CTRL_FLASHVPP		0x02		/* Flash VPP enable */
126#define IFPGA_SC_CTRL_SOFTRESET		0x01		/* Board reset */
127
128/* SC_DEC reg (read-only) */
129#define IFPGA_SC_DEC_EXP_MASK		0xf0		/* EXP connector */
130#define IFPGA_SC_DEC_EXP_SHIFT		4
131#define IFPGA_SC_DEC_HDR_MASK		0x0f		/* HDR connector */
132#define IFPGA_SC_DEC_HDR_SHIFT		0
133
134/* SC_ARB reg */
135#define IFPGA_SC_ARB_CCOUNT_MASK	0xffffff00	/* Cycle counter */
136#define IFPGA_SC_ARB_CCOUNT_SHIFT	8
137#define IFPGA_SC_ARB_TCOUNT_MASK	0xffffff00	/* Transaction cntr */
138#define IFPGA_SC_ARB_TCOUNT_SHIFT	0
139
140/* SC_PCI reg */
141#define IFPGA_SC_PCI_PCIEN		0x02		/* PCI Enable */
142#define IFPGA_SC_PCI_LBINT_CLR		0x01		/* LB interrupt clr */
143
144/* SC_LOCK reg */
145#define IFPGA_SC_LOCK_LCK		0x00010000	/* Is locked */
146#define IFPGA_SC_LOCK_MASK		0x0000ffff	/* Key */
147#define IFPGA_SC_LOCK_KEY		0x0000a05f	/* Key */
148
149/* SC_LBFADDR reg */
150
151/* SC_LBFCODE reg */
152#define IFPGA_SC_LBFCODE_BEN3		0x80		/* Byte enable 3 */
153#define IFPGA_SC_LBFCODE_BEN2		0x40		/* Byte enable 2 */
154#define IFPGA_SC_LBFCODE_BEN1		0x20		/* Byte enable 1 */
155#define IFPGA_SC_LBFCODE_BEN0		0x10		/* Byte enable 0 */
156#define IFPGA_SC_LBFCODE_LBURST		0x08		/* Burst */
157#define IFPGA_SC_LBFCODE_LREAD		0x04		/* Read */
158#define IFPGA_SC_LBFCODE_MASTER		0x02		/* Master */
159#define IFPGA_SC_LBFCODE_RLBFINT	0x01		/* Raw LBNT */
160
161/* Counter/Timer registers */
162
163#define TIMERx_LOAD			0x00	/* Load register */
164#define TIMERx_VALUE			0x04	/* Current value */
165#define TIMERx_CTRL			0x08	/* Control */
166#define TIMERx_CLR			0x0c	/* Clear */
167
168#define TIMERx_MAX			0xffff	/* Max count value */
169
170#define TIMERx_CTRL_ENABLE		0x80	/* Timer enable */
171#define TIMERx_CTRL_MODE_ONCE		0x00	/* Single shot */
172#define TIMERx_CTRL_MODE_PERIODIC	0x40	/* Single shot */
173#define TIMERx_CTRL_PRESCALE_DIV1	0x00	/* CLK / 1 */
174#define TIMERx_CTRL_PRESCALE_DIV16	0x04	/* CLK / 16 */
175#define TIMERx_CTRL_PRESCALE_DIV256	0x08	/* CLK / 256 */
176
177/* Interrupt registers */
178/* Bit positions...  */
179#define IFPGA_INTR_bit31		0x80000000
180#define IFPGA_INTR_bit30		0x40000000
181#define IFPGA_INTR_bit29		0x20000000
182#define IFPGA_INTR_bit28		0x10000000
183#define IFPGA_INTR_bit27		0x08000000
184#define IFPGA_INTR_bit26		0x04000000
185#define IFPGA_INTR_bit25		0x02000000
186#define IFPGA_INTR_bit24		0x01000000
187#define IFPGA_INTR_bit23		0x00800000
188#define IFPGA_INTR_bit22		0x00400000
189
190#define IFPGA_INTR_APCINT		0x00200000
191#define IFPGA_INTR_PCILBINT		0x00100000
192#define IFPGA_INTR_ENUMINT		0x00080000
193#define IFPGA_INTR_DEGINT		0x00040000
194#define IFPGA_INTR_LINT			0x00020000
195#define IFPGA_INTR_PCIINT3		0x00010000
196#define IFPGA_INTR_PCIINT2		0x00008000
197#define IFPGA_INTR_PCIINT1		0x00004000
198#define IFPGA_INTR_PCIINT0		0x00002000
199#define IFPGA_INTR_EXPINT3		0x00001000
200#define IFPGA_INTR_EXPINT2		0x00000800
201#define IFPGA_INTR_EXPINT1		0x00000400
202#define IFPGA_INTR_EXPINT0		0x00000200
203#define IFPGA_INTR_RTCINT		0x00000100
204#define IFPGA_INTR_TIMERINT2		0x00000080
205#define IFPGA_INTR_TIMERINT1		0x00000040
206#define IFPGA_INTR_TIMERINT0		0x00000020
207#define IFPGA_INTR_MOUSEINT		0x00000010
208#define IFPGA_INTR_KBDINT		0x00000008
209#define IFPGA_INTR_UARTINT1		0x00000004
210#define IFPGA_INTR_UARTINT0		0x00000002
211#define IFPGA_INTR_SOFTINT		0x00000001
212
213#define IFPGA_INTR_HWMASK		0x003fffff
214
215/* ... and the corresponding numbers.  */
216#define IFPGA_INTRNUM_APCINT		21
217#define IFPGA_INTRNUM_PCILBINT		20
218#define IFPGA_INTRNUM_ENUMINT		19
219#define IFPGA_INTRNUM_DEGINT		18
220#define IFPGA_INTRNUM_LINT		17
221#define IFPGA_INTRNUM_PCIINT3		16
222#define IFPGA_INTRNUM_PCIINT2		15
223#define IFPGA_INTRNUM_PCIINT1		14
224#define IFPGA_INTRNUM_PCIINT0		13
225#define IFPGA_INTRNUM_EXPINT3		12
226#define IFPGA_INTRNUM_EXPINT2		11
227#define IFPGA_INTRNUM_EXPINT1		10
228#define IFPGA_INTRNUM_EXPINT0		9
229#define IFPGA_INTRNUM_RTCINT		8
230#define IFPGA_INTRNUM_TIMERINT2		7
231#define IFPGA_INTRNUM_TIMERINT1		6
232#define IFPGA_INTRNUM_TIMERINT0		5
233#define IFPGA_INTRNUM_MOUSEINT		4
234#define IFPGA_INTRNUM_KBDINT		3
235#define IFPGA_INTRNUM_UARTINT1		2
236#define IFPGA_INTRNUM_UARTINT0		1
237#define IFPGA_INTRNUM_SOFTINT		0
238
239#define IFPGA_INTR_STATUS		0x0	/* Offset to status reg */
240#define IFPGA_INTR_RAWSTAT		0x4	/* Offset to raw reg */
241#define IFPGA_INTR_ENABLESET		0x8	/* Offset to Enable-Set */
242#define IFPGA_INTR_ENABLECLR		0xc	/* Offset to Enable-Clear */
243
244#define IFPGA_IRQ0			0x00
245#define IFPGA_IRQ1			0x40
246#define IFPGA_IRQ2			0x80
247#define IFPGA_IRQ3			0xc0
248#define IFPGA_FIQ0			0x20
249#define IFPGA_FIQ1			0x60
250#define IFPGA_FIQ2			0xa0
251#define IFPGA_FIQ3			0xe0
252
253/* Peripheral registers */
254
255/* Real time clock */
256
257#define IFPGA_RTC_DR			0x00
258#define IFPGA_RTC_MR			0x04
259#define IFPGA_RTC_STAT			0x08
260#define IFPGA_RTC_EOI			0x08
261#define IFPGA_RTC_LR			0x0c
262#define IFPGA_RTC_CR			0x10
263
264#define IFPGA_RTC_STAT_INT		1
265
266#define IFPGA_RTC_CR_MIE		1	/* Match interrupt enable */
267
268