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12#ifndef __ALPHA_MARVEL__H__
13#define __ALPHA_MARVEL__H__
14
15#include <linux/types.h>
16#include <linux/spinlock.h>
17
18#include <asm/compiler.h>
19
20#define MARVEL_MAX_PIDS 32
21#define MARVEL_IRQ_VEC_PE_SHIFT (10)
22#define MARVEL_IRQ_VEC_IRQ_MASK ((1 << MARVEL_IRQ_VEC_PE_SHIFT) - 1)
23#define MARVEL_NR_IRQS \
24 (16 + (MARVEL_MAX_PIDS * (1 << MARVEL_IRQ_VEC_PE_SHIFT)))
25
26
27
28
29typedef struct {
30 volatile unsigned long csr __attribute__((aligned(16)));
31} ev7_csr;
32
33typedef struct {
34 ev7_csr RBOX_CFG;
35 ev7_csr RBOX_NSVC;
36 ev7_csr RBOX_EWVC;
37 ev7_csr RBOX_WHAMI;
38 ev7_csr RBOX_TCTL;
39 ev7_csr RBOX_INT;
40 ev7_csr RBOX_IMASK;
41 ev7_csr RBOX_IREQ;
42 ev7_csr RBOX_INTQ;
43 ev7_csr RBOX_INTA;
44 ev7_csr RBOX_IT;
45 ev7_csr RBOX_SCRATCH1;
46 ev7_csr RBOX_SCRATCH2;
47 ev7_csr RBOX_L_ERR;
48} ev7_csrs;
49
50
51
52
53#define EV7_MASK40(addr) ((addr) & ((1UL << 41) - 1))
54#define EV7_KERN_ADDR(addr) ((void *)(IDENT_ADDR | EV7_MASK40(addr)))
55
56#define EV7_PE_MASK 0x1ffUL
57#define EV7_IPE(pe) ((~((long)(pe)) & EV7_PE_MASK) << 35)
58
59#define EV7_CSR_PHYS(pe, off) (EV7_IPE(pe) | (0x7FFCUL << 20) | (off))
60#define EV7_CSRS_PHYS(pe) (EV7_CSR_PHYS(pe, 0UL))
61
62#define EV7_CSR_KERN(pe, off) (EV7_KERN_ADDR(EV7_CSR_PHYS(pe, off)))
63#define EV7_CSRS_KERN(pe) (EV7_KERN_ADDR(EV7_CSRS_PHYS(pe)))
64
65#define EV7_CSR_OFFSET(name) ((unsigned long)&((ev7_csrs *)NULL)->name.csr)
66
67
68
69
70typedef struct {
71 volatile unsigned long csr __attribute__((aligned(64)));
72} io7_csr;
73
74typedef struct {
75
76 io7_csr POx_CTRL;
77 io7_csr POx_CACHE_CTL;
78 io7_csr POx_TIMER;
79 io7_csr POx_IO_ADR_EXT;
80 io7_csr POx_MEM_ADR_EXT;
81 io7_csr POx_XCAL_CTRL;
82 io7_csr rsvd1[2];
83 io7_csr POx_DM_SOURCE;
84 io7_csr POx_DM_DEST;
85 io7_csr POx_DM_SIZE;
86 io7_csr POx_DM_CTRL;
87 io7_csr rsvd2[4];
88
89
90 io7_csr AGP_CAP_ID;
91 io7_csr AGP_STAT;
92 io7_csr AGP_CMD;
93 io7_csr rsvd3;
94
95
96 io7_csr POx_MONCTL;
97 io7_csr POx_CTRA;
98 io7_csr POx_CTRB;
99 io7_csr POx_CTR56;
100 io7_csr POx_SCRATCH;
101 io7_csr POx_XTRA_A;
102 io7_csr POx_XTRA_TS;
103 io7_csr POx_XTRA_Z;
104 io7_csr rsvd4;
105 io7_csr POx_THRESHA;
106 io7_csr POx_THRESHB;
107 io7_csr rsvd5[33];
108
109
110
111 io7_csr POx_WBASE[4];
112 io7_csr POx_WMASK[4];
113 io7_csr POx_TBASE[4];
114 io7_csr POx_SG_TBIA;
115 io7_csr POx_MSI_WBASE;
116 io7_csr rsvd6[50];
117
118
119 io7_csr POx_ERR_SUM;
120 io7_csr POx_FIRST_ERR;
121 io7_csr POx_MSK_HEI;
122 io7_csr POx_TLB_ERR;
123 io7_csr POx_SPL_COMPLT;
124 io7_csr POx_TRANS_SUM;
125 io7_csr POx_FRC_PCI_ERR;
126 io7_csr POx_MULT_ERR;
127 io7_csr rsvd7[8];
128
129
130 io7_csr EOI_DAT;
131 io7_csr rsvd8[7];
132 io7_csr POx_IACK_SPECIAL;
133 io7_csr rsvd9[103];
134} io7_ioport_csrs;
135
136typedef struct {
137 io7_csr IO_ASIC_REV;
138 io7_csr IO_SYS_REV;
139 io7_csr SER_CHAIN3;
140 io7_csr PO7_RST1;
141 io7_csr PO7_RST2;
142 io7_csr POx_RST[4];
143 io7_csr IO7_DWNH;
144 io7_csr IO7_MAF;
145 io7_csr IO7_MAF_TO;
146 io7_csr IO7_ACC_CLUMP;
147 io7_csr IO7_PMASK;
148 io7_csr IO7_IOMASK;
149 io7_csr IO7_UPH;
150 io7_csr IO7_UPH_TO;
151 io7_csr RBX_IREQ_OFF;
152 io7_csr RBX_INTA_OFF;
153 io7_csr INT_RTY;
154 io7_csr PO7_MONCTL;
155 io7_csr PO7_CTRA;
156 io7_csr PO7_CTRB;
157 io7_csr PO7_CTR56;
158 io7_csr PO7_SCRATCH;
159 io7_csr PO7_XTRA_A;
160 io7_csr PO7_XTRA_TS;
161 io7_csr PO7_XTRA_Z;
162 io7_csr PO7_PMASK;
163 io7_csr PO7_THRESHA;
164 io7_csr PO7_THRESHB;
165 io7_csr rsvd1[97];
166 io7_csr PO7_ERROR_SUM;
167 io7_csr PO7_BHOLE_MASK;
168 io7_csr PO7_HEI_MSK;
169 io7_csr PO7_CRD_MSK;
170 io7_csr PO7_UNCRR_SYM;
171 io7_csr PO7_CRRCT_SYM;
172 io7_csr PO7_ERR_PKT[2];
173 io7_csr PO7_UGBGE_SYM;
174 io7_csr rsbv2[887];
175 io7_csr PO7_LSI_CTL[128];
176 io7_csr rsvd3[123];
177 io7_csr HLT_CTL;
178 io7_csr HPI_CTL;
179 io7_csr CRD_CTL;
180 io7_csr STV_CTL;
181 io7_csr HEI_CTL;
182 io7_csr PO7_MSI_CTL[16];
183 io7_csr rsvd4[240];
184
185
186
187
188 struct {
189 io7_csr INT_PND;
190 io7_csr INT_CLR;
191 io7_csr INT_EOI;
192 io7_csr rsvd[29];
193 } INT_DIAG[4];
194 io7_csr rsvd5[125];
195 io7_csr MISC_PND;
196 io7_csr rsvd6[31];
197 io7_csr MSI_PND[16];
198 io7_csr rsvd7[16];
199 io7_csr MSI_CLR[16];
200} io7_port7_csrs;
201
202
203
204
205#define wbase_m_ena 0x1
206#define wbase_m_sg 0x2
207#define wbase_m_dac 0x4
208#define wbase_m_addr 0xFFF00000
209union IO7_POx_WBASE {
210 struct {
211 unsigned ena : 1;
212 unsigned sg : 1;
213 unsigned dac : 1;
214 unsigned rsvd1 : 17;
215 unsigned addr : 12;
216 unsigned rsvd2 : 32;
217 } bits;
218 unsigned as_long[2];
219 unsigned as_quad;
220};
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228
229
230union IO7_IID {
231 struct {
232 unsigned int_num : 9;
233 unsigned tpu_mask : 4;
234 unsigned msi : 1;
235 unsigned ipe : 10;
236 unsigned long rsvd : 40;
237 } bits;
238 unsigned int as_long[2];
239 unsigned long as_quad;
240};
241
242
243
244
245#define IO7_KERN_ADDR(addr) (EV7_KERN_ADDR(addr))
246
247#define IO7_PORT_MASK 0x07UL
248
249#define IO7_IPE(pe) (EV7_IPE(pe))
250#define IO7_IPORT(port) ((~((long)(port)) & IO7_PORT_MASK) << 32)
251
252#define IO7_HOSE(pe, port) (IO7_IPE(pe) | IO7_IPORT(port))
253
254#define IO7_MEM_PHYS(pe, port) (IO7_HOSE(pe, port) | 0x00000000UL)
255#define IO7_CONF_PHYS(pe, port) (IO7_HOSE(pe, port) | 0xFE000000UL)
256#define IO7_IO_PHYS(pe, port) (IO7_HOSE(pe, port) | 0xFF000000UL)
257#define IO7_CSR_PHYS(pe, port, off) \
258 (IO7_HOSE(pe, port) | 0xFF800000UL | (off))
259#define IO7_CSRS_PHYS(pe, port) (IO7_CSR_PHYS(pe, port, 0UL))
260#define IO7_PORT7_CSRS_PHYS(pe) (IO7_CSR_PHYS(pe, 7, 0x300000UL))
261
262#define IO7_MEM_KERN(pe, port) (IO7_KERN_ADDR(IO7_MEM_PHYS(pe, port)))
263#define IO7_CONF_KERN(pe, port) (IO7_KERN_ADDR(IO7_CONF_PHYS(pe, port)))
264#define IO7_IO_KERN(pe, port) (IO7_KERN_ADDR(IO7_IO_PHYS(pe, port)))
265#define IO7_CSR_KERN(pe, port, off) (IO7_KERN_ADDR(IO7_CSR_PHYS(pe,port,off)))
266#define IO7_CSRS_KERN(pe, port) (IO7_KERN_ADDR(IO7_CSRS_PHYS(pe, port)))
267#define IO7_PORT7_CSRS_KERN(pe) (IO7_KERN_ADDR(IO7_PORT7_CSRS_PHYS(pe)))
268
269#define IO7_PLL_RNGA(pll) (((pll) >> 3) & 0x7)
270#define IO7_PLL_RNGB(pll) (((pll) >> 6) & 0x7)
271
272#define IO7_MEM_SPACE (2UL * 1024 * 1024 * 1024)
273#define IO7_IO_SPACE (8UL * 1024 * 1024)
274
275
276
277
278
279#define IO7_DAC_OFFSET (1UL << 49)
280
281
282
283
284#define MARVEL_IACK_SC \
285 ((unsigned long) \
286 (&(((io7_ioport_csrs *)IO7_CSRS_KERN(0, 0))->POx_IACK_SPECIAL)))
287
288#ifdef __KERNEL__
289
290
291
292
293#define IO7_NUM_PORTS 4
294#define IO7_AGP_PORT 3
295
296struct io7_port {
297 struct io7 *io7;
298 struct pci_controller *hose;
299
300 int enabled;
301 unsigned int port;
302 io7_ioport_csrs *csrs;
303
304 unsigned long saved_wbase[4];
305 unsigned long saved_wmask[4];
306 unsigned long saved_tbase[4];
307};
308
309struct io7 {
310 struct io7 *next;
311
312 unsigned int pe;
313 io7_port7_csrs *csrs;
314 struct io7_port ports[IO7_NUM_PORTS];
315
316 raw_spinlock_t irq_lock;
317};
318
319#ifndef __EXTERN_INLINE
320# define __EXTERN_INLINE extern inline
321# define __IO_EXTERN_INLINE
322#endif
323
324
325
326
327
328
329
330
331
332#define vucp volatile unsigned char __force *
333#define vusp volatile unsigned short __force *
334
335extern unsigned int marvel_ioread8(void __iomem *);
336extern void marvel_iowrite8(u8 b, void __iomem *);
337
338__EXTERN_INLINE unsigned int marvel_ioread16(void __iomem *addr)
339{
340 return __kernel_ldwu(*(vusp)addr);
341}
342
343__EXTERN_INLINE void marvel_iowrite16(u16 b, void __iomem *addr)
344{
345 __kernel_stw(b, *(vusp)addr);
346}
347
348extern void __iomem *marvel_ioremap(unsigned long addr, unsigned long size);
349extern void marvel_iounmap(volatile void __iomem *addr);
350extern void __iomem *marvel_ioportmap (unsigned long addr);
351
352__EXTERN_INLINE int marvel_is_ioaddr(unsigned long addr)
353{
354 return (addr >> 40) & 1;
355}
356
357extern int marvel_is_mmio(const volatile void __iomem *);
358
359#undef vucp
360#undef vusp
361
362#undef __IO_PREFIX
363#define __IO_PREFIX marvel
364#define marvel_trivial_rw_bw 1
365#define marvel_trivial_rw_lq 1
366#define marvel_trivial_io_bw 0
367#define marvel_trivial_io_lq 1
368#define marvel_trivial_iounmap 0
369#include <asm/io_trivial.h>
370
371#ifdef __IO_EXTERN_INLINE
372# undef __EXTERN_INLINE
373# undef __IO_EXTERN_INLINE
374#endif
375
376#endif
377
378#endif
379