1/*	$NetBSD: ifpgareg.h,v 1.6 2015/01/26 08:55:41 skrll 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#define IFPGA_MMC_CLK			14745600 /* MMC_5 freq */
38#define IFPGA_MMC_SIZE			0x1000
39
40/*
41 * IFPGA registers
42 */
43
44/* Core module */
45#define IFPGA_CM_ID			0x00000000	/* ID register */
46#define IFPGA_CM_PROC			0x00000004	/* Processor Reg */
47#define IFPGA_CM_OSC			0x00000008	/* Oscillator ctrl */
48#define IFPGA_CM_CTRL			0x0000000c	/* Control Reg */
49#define IFPGA_CM_STAT			0x00000010	/* Status Reg */
50#define IFPGA_CM_LOCK			0x00000014	/* Lock */
51#define IFPGA_CM_SDRAM			0x00000020	/* SDRAM stat/ctrl */
52#define IFPGA_CM_IRQ_STAT		0x00000040	/* IRQ Status */
53#define IFPGA_CM_IRQ_RSTAT		0x00000044	/* IRQ Raw status */
54#define IFPGA_CM_IRQ_ENSET		0x00000048	/* IRQ Enable set */
55#define IFPGA_CM_IRQ_ENCLR		0x0000004c	/* IRQ Enable clr */
56#define IFPGA_CM_SOFT_INTSET		0x00000050	/* S/W Int set */
57#define IFPGA_CM_SOFT_INTCLR		0x00000054	/* S/W Int clr */
58#define IFPGA_CM_FIQ_STAT		0x00000060	/* FIQ Status */
59#define IFPGA_CM_FIQ_RSTAT		0x00000064	/* FIQ Raw Status */
60#define IFPGA_CM_FIQ_ENSET		0x00000068	/* FIQ Enable set */
61#define IFPGA_CM_FIQ_ENCLR		0x0000006c	/* FIQ Enable clr */
62#define IFPGA_CM_SPD			0x00000100	/* SDRAM SPD memory */
63
64	/* CM-ARM10200 module only */
65#define IFPGA_CM_LMBUSCNT		0x00000018	/* LMBUS counter */
66#define IFPGA_CM_AUXOSC			0x0000001c	/* Aux Oscillator */
67#define IFPGA_CM_INIT			0x00000024	/* Initialization */
68#define IFPGA_CM_REFCNT			0x00000028	/* 24MHz counter */
69#define IFPGA_CM_FLAGS			0x00000030	/* Flags reg ? */
70#define IFPGA_CM_FLAGSS			0x00000030	/* Flags set */
71#define IFPGA_CM_FLAGSC			0x00000034	/* Flags clr */
72#define IFPGA_CM_NVFLAGS		0x00000038	/* NVFlags reg ? */
73#define IFPGA_CM_NVFLAGSS		0x00000038	/* NVFlags set */
74#define IFPGA_CM_NVFLAGSC		0x0000003c	/* NVFlags clr */
75
76/* CM_ID reg */
77#define IFPGA_CM_ID_MAN_MASK		0xff000000	/* Manufacturer ID */
78#define IFPGA_CM_ID_MAN_ARM		0x41000000	/* ARM Ltd */
79#define IFPGA_CM_ID_ARCH_MASK		0x00ff0000	/* Architecture */
80#define IFPGA_CM_ID_ARCH_ASBLE		0x00000000	/* ASB Little-endian */
81#define IFPGA_CM_ID_ARCH_AHBLE		0x00010000	/* AHB Little-endian */
82#define IFPGA_CM_ID_FPGA_MASK		0x0000f000	/* FPGA type */
83#define IFPGA_CM_ID_FPGA_XC4036		0x00000000	/* XC4036 */
84#define IFPGA_CM_ID_FPGA_XCV600		0x00003000	/* XCV600 */
85#define IFPGA_CM_ID_BUILD_MASK		0x00000ff0	/* Build number */
86#define IFPGA_CM_ID_BUILD_SHIFT		4
87#define IFPGA_CM_ID_REV_MASK		0x0000000f	/* Revision number */
88#define IFPGA_CM_ID_REV_A		0x00000000	/* Revision A */
89#define IFPGA_CM_ID_REV_B		0x00000001	/* Revision B */
90
91/* System controller */
92#define IFPGA_SC_ID			0x00000000	/* ID register */
93#define IFPGA_SC_OSC			0x00000004	/* Oscillator ctrl */
94#define IFPGA_SC_CTRLS			0x00000008	/* Ctrl Regs Set */
95#define IFPGA_SC_CTRLC			0x0000000c	/* Ctrl Regs Clr */
96#define IFPGA_SC_DEC			0x00000010	/* Decoder status */
97#define IFPGA_SC_ARB			0x00000014	/* Arbiter time-out */
98#define IFPGA_SC_PCI			0x00000018	/* PIC Ctrl */
99#define IFPGA_SC_LOCK			0x0000001c	/* Lock */
100#define IFPGA_SC_LBFADDR		0x00000020	/* PCI Lbus flt addr */
101#define IFPGA_SC_LBFCODE		0x00000024	/* PCI Lbus flt code */
102
103/* SC_ID reg */
104#define IFPGA_SC_ID_MAN_MASK		0xff000000	/* Manufacturer ID */
105#define IFPGA_SC_ID_MAN_ARM		0x41000000	/* ARM Ltd */
106#define IFPGA_SC_ID_ARCH_MASK		0x00ff0000	/* Architecture */
107#define IFPGA_SC_ID_ARCH_ASBLE		0x00000000	/* ASB Little-endian */
108#define IFPGA_SC_ID_ARCH_AHBLE		0x00010000	/* AHB Little-endian */
109#define IFPGA_SC_ID_FPGA_MASK		0x0000f000	/* FPGA type */
110#define IFPGA_SC_ID_FPGA_XC4062		0x00001000	/* XC4062 */
111#define IFPGA_SC_ID_FPGA_XC4085		0x00002000	/* XC4085 */
112#define IFPGA_SC_ID_BUILD_MASK		0x00000ff0	/* Build number */
113#define IFPGA_SC_ID_BUILD_SHIFT		4
114#define IFPGA_SC_ID_REV_MASK		0x0000000f	/* Revision number */
115#define IFPGA_SC_ID_REV_A		0x00000000	/* Revision A */
116#define IFPGA_SC_ID_REV_B		0x00000001	/* Revision B */
117
118/* SC_OSC reg */
119#define IFPGA_SC_OSC_DIV_X_Y		0x80
120#define IFPGA_SC_OSC_S_VDW		0x7f
121
122/* SC_CTRLS & SC_CTRLC regs */
123#define IFPGA_SC_CTRL_UART0RTS		0x80		/* Active low */
124#define IFPGA_SC_CTRL_UART0DTR		0x40		/* Active low */
125#define IFPGA_SC_CTRL_UART1RTS		0x20		/* Active low */
126#define IFPGA_SC_CTRL_UART1DTR		0x10		/* Active low */
127#define IFPGA_SC_CTRL_FLASHWP		0x04		/* W/P Flash */
128#define IFPGA_SC_CTRL_FLASHVPP		0x02		/* Flash VPP enable */
129#define IFPGA_SC_CTRL_SOFTRESET		0x01		/* Board reset */
130
131/* SC_DEC reg (read-only) */
132#define IFPGA_SC_DEC_EXP_MASK		0xf0		/* EXP connector */
133#define IFPGA_SC_DEC_EXP_SHIFT		4
134#define IFPGA_SC_DEC_HDR_MASK		0x0f		/* HDR connector */
135#define IFPGA_SC_DEC_HDR_SHIFT		0
136
137/* SC_ARB reg */
138#define IFPGA_SC_ARB_CCOUNT_MASK	0xffffff00	/* Cycle counter */
139#define IFPGA_SC_ARB_CCOUNT_SHIFT	8
140#define IFPGA_SC_ARB_TCOUNT_MASK	0xffffff00	/* Transaction cntr */
141#define IFPGA_SC_ARB_TCOUNT_SHIFT	0
142
143/* SC_PCI reg */
144#define IFPGA_SC_PCI_PCIEN		0x02		/* PCI Enable */
145#define IFPGA_SC_PCI_LBINT_CLR		0x01		/* LB interrupt clr */
146
147/* SC_LOCK reg */
148#define IFPGA_SC_LOCK_LCK		0x00010000	/* Is locked */
149#define IFPGA_SC_LOCK_MASK		0x0000ffff	/* Key */
150#define IFPGA_SC_LOCK_KEY		0x0000a05f	/* Key */
151
152/* SC_LBFADDR reg */
153
154/* SC_LBFCODE reg */
155#define IFPGA_SC_LBFCODE_BEN3		0x80		/* Byte enable 3 */
156#define IFPGA_SC_LBFCODE_BEN2		0x40		/* Byte enable 2 */
157#define IFPGA_SC_LBFCODE_BEN1		0x20		/* Byte enable 1 */
158#define IFPGA_SC_LBFCODE_BEN0		0x10		/* Byte enable 0 */
159#define IFPGA_SC_LBFCODE_LBURST		0x08		/* Burst */
160#define IFPGA_SC_LBFCODE_LREAD		0x04		/* Read */
161#define IFPGA_SC_LBFCODE_MASTER		0x02		/* Master */
162#define IFPGA_SC_LBFCODE_RLBFINT	0x01		/* Raw LBNT */
163
164/* Counter/Timer registers */
165
166#define TIMERx_LOAD			0x00	/* Load register */
167#define TIMERx_VALUE			0x04	/* Current value */
168#define TIMERx_CTRL			0x08	/* Control */
169#define TIMERx_CLR			0x0c	/* Clear */
170
171#define TIMERx_MAX			0xffff	/* Max count value */
172
173#define TIMERx_CTRL_ENABLE		0x80	/* Timer enable */
174#define TIMERx_CTRL_RAISE_IRQ		0x20	/* Raise IRQ on tick */
175#define TIMERx_CTRL_MODE_ONCE		0x00	/* Single shot */
176#define TIMERx_CTRL_MODE_PERIODIC	0x40	/* Single shot */
177#define TIMERx_CTRL_PRESCALE_DIV1	0x00	/* CLK / 1 */
178#define TIMERx_CTRL_PRESCALE_DIV16	0x04	/* CLK / 16 */
179#define TIMERx_CTRL_PRESCALE_DIV256	0x08	/* CLK / 256 */
180
181/* Interrupt registers */
182/* Bit positions...  */
183#define IFPGA_INTR_bit31		0x80000000
184#define IFPGA_INTR_bit30		0x40000000
185#define IFPGA_INTR_bit29		0x20000000
186#define IFPGA_INTR_bit28		0x10000000
187#define IFPGA_INTR_bit27		0x08000000
188#define IFPGA_INTR_bit26		0x04000000
189#define IFPGA_INTR_bit25		0x02000000
190#define IFPGA_INTR_bit24		0x01000000
191#define IFPGA_INTR_bit23		0x00800000
192#define IFPGA_INTR_bit22		0x00400000
193
194#define IFPGA_INTR_APCINT		0x00200000
195#define IFPGA_INTR_PCILBINT		0x00100000
196#define IFPGA_INTR_ENUMINT		0x00080000
197#define IFPGA_INTR_DEGINT		0x00040000
198#define IFPGA_INTR_LINT			0x00020000
199#define IFPGA_INTR_PCIINT3		0x00010000
200#define IFPGA_INTR_PCIINT2		0x00008000
201#define IFPGA_INTR_PCIINT1		0x00004000
202#define IFPGA_INTR_PCIINT0		0x00002000
203#define IFPGA_INTR_EXPINT3		0x00001000
204#define IFPGA_INTR_EXPINT2		0x00000800
205#define IFPGA_INTR_EXPINT1		0x00000400
206#define IFPGA_INTR_EXPINT0		0x00000200
207#define IFPGA_INTR_RTCINT		0x00000100
208#define IFPGA_INTR_TIMERINT2		0x00000080
209#define IFPGA_INTR_TIMERINT1		0x00000040
210#define IFPGA_INTR_TIMERINT0		0x00000020
211#define IFPGA_INTR_MOUSEINT		0x00000010
212#define IFPGA_INTR_KBDINT		0x00000008
213#define IFPGA_INTR_UARTINT1		0x00000004
214#define IFPGA_INTR_UARTINT0		0x00000002
215#define IFPGA_INTR_SOFTINT		0x00000001
216
217#if defined(INTEGRATOR_CP)
218#define IFPGA_INTR_HWMASK		0x08bfffff
219#else
220#define IFPGA_INTR_HWMASK		0x003fffff
221#endif
222
223/* ... and the corresponding numbers.  */
224#define IFPGA_INTRNUM_APCINT		21
225#define IFPGA_INTRNUM_PCILBINT		20
226#define IFPGA_INTRNUM_ENUMINT		19
227#define IFPGA_INTRNUM_DEGINT		18
228#define IFPGA_INTRNUM_LINT		17
229#define IFPGA_INTRNUM_PCIINT3		16
230#define IFPGA_INTRNUM_PCIINT2		15
231#define IFPGA_INTRNUM_PCIINT1		14
232#define IFPGA_INTRNUM_PCIINT0		13
233#define IFPGA_INTRNUM_EXPINT3		12
234#define IFPGA_INTRNUM_EXPINT2		11
235#define IFPGA_INTRNUM_EXPINT1		10
236#define IFPGA_INTRNUM_EXPINT0		9
237#define IFPGA_INTRNUM_RTCINT		8
238#define IFPGA_INTRNUM_TIMERINT2		7
239#define IFPGA_INTRNUM_TIMERINT1		6
240#define IFPGA_INTRNUM_TIMERINT0		5
241#define IFPGA_INTRNUM_MOUSEINT		4
242#define IFPGA_INTRNUM_KBDINT		3
243#define IFPGA_INTRNUM_UARTINT1		2
244#define IFPGA_INTRNUM_UARTINT0		1
245#define IFPGA_INTRNUM_SOFTINT		0
246
247#define IFPGA_INTR_STATUS		0x0	/* Offset to status reg */
248#define IFPGA_INTR_RAWSTAT		0x4	/* Offset to raw reg */
249#define IFPGA_INTR_ENABLESET		0x8	/* Offset to Enable-Set */
250#define IFPGA_INTR_ENABLECLR		0xc	/* Offset to Enable-Clear */
251
252#define IFPGA_IRQ0			0x00
253#define IFPGA_IRQ1			0x40
254#define IFPGA_IRQ2			0x80
255#define IFPGA_IRQ3			0xc0
256#define IFPGA_FIQ0			0x20
257#define IFPGA_FIQ1			0x60
258#define IFPGA_FIQ2			0xa0
259#define IFPGA_FIQ3			0xe0
260
261/* Peripheral registers */
262
263/* Real time clock */
264
265#define IFPGA_RTC_DR			0x00
266#define IFPGA_RTC_MR			0x04
267#define IFPGA_RTC_STAT			0x08
268#define IFPGA_RTC_EOI			0x08
269#define IFPGA_RTC_LR			0x0c
270#define IFPGA_RTC_CR			0x10
271
272#define IFPGA_RTC_STAT_INT		1
273
274#define IFPGA_RTC_CR_MIE		1	/* Match interrupt enable */
275
276