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