xref: /netbsd/sys/arch/evbarm/ifpga/ifpgareg.h (revision ec70b4f5)
1 /*	$NetBSD: ifpgareg.h,v 1.7 2015/01/27 16:34:34 jmcneill 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