1#ifndef __ALPHA_WILDFIRE__H__
2#define __ALPHA_WILDFIRE__H__
3
4#include <linux/types.h>
5#include <asm/compiler.h>
6
7#define WILDFIRE_MAX_QBB	8	/* more than 8 requires other mods */
8#define WILDFIRE_PCA_PER_QBB	4
9#define WILDFIRE_IRQ_PER_PCA	64
10
11#define WILDFIRE_NR_IRQS \
12  (WILDFIRE_MAX_QBB * WILDFIRE_PCA_PER_QBB * WILDFIRE_IRQ_PER_PCA)
13
14extern unsigned char wildfire_hard_qbb_map[WILDFIRE_MAX_QBB];
15extern unsigned char wildfire_soft_qbb_map[WILDFIRE_MAX_QBB];
16#define QBB_MAP_EMPTY	0xff
17
18extern unsigned long wildfire_hard_qbb_mask;
19extern unsigned long wildfire_soft_qbb_mask;
20extern unsigned long wildfire_gp_mask;
21extern unsigned long wildfire_hs_mask;
22extern unsigned long wildfire_iop_mask;
23extern unsigned long wildfire_ior_mask;
24extern unsigned long wildfire_pca_mask;
25extern unsigned long wildfire_cpu_mask;
26extern unsigned long wildfire_mem_mask;
27
28#define WILDFIRE_QBB_EXISTS(qbbno) (wildfire_soft_qbb_mask & (1 << (qbbno)))
29
30#define WILDFIRE_MEM_EXISTS(qbbno) (wildfire_mem_mask & (0xf << ((qbbno) << 2)))
31
32#define WILDFIRE_PCA_EXISTS(qbbno, pcano) \
33		(wildfire_pca_mask & (1 << (((qbbno) << 2) + (pcano))))
34
35typedef struct {
36	volatile unsigned long csr __attribute__((aligned(64)));
37} wildfire_64;
38
39typedef struct {
40	volatile unsigned long csr __attribute__((aligned(256)));
41} wildfire_256;
42
43typedef struct {
44	volatile unsigned long csr __attribute__((aligned(2048)));
45} wildfire_2k;
46
47typedef struct {
48	wildfire_64	qsd_whami;
49	wildfire_64	qsd_rev;
50	wildfire_64	qsd_port_present;
51	wildfire_64	qsd_port_active;
52	wildfire_64	qsd_fault_ena;
53	wildfire_64	qsd_cpu_int_ena;
54	wildfire_64	qsd_mem_config;
55	wildfire_64	qsd_err_sum;
56	wildfire_64	ce_sum[4];
57	wildfire_64	dev_init[4];
58	wildfire_64	it_int[4];
59	wildfire_64	ip_int[4];
60	wildfire_64	uce_sum[4];
61	wildfire_64	se_sum__non_dev_int[4];
62	wildfire_64	scratch[4];
63	wildfire_64	qsd_timer;
64	wildfire_64	qsd_diag;
65} wildfire_qsd;
66
67typedef struct {
68	wildfire_256	qsd_whami;
69	wildfire_256	__pad1;
70	wildfire_256	ce_sum;
71	wildfire_256	dev_init;
72	wildfire_256	it_int;
73	wildfire_256	ip_int;
74	wildfire_256	uce_sum;
75	wildfire_256	se_sum;
76} wildfire_fast_qsd;
77
78typedef struct {
79	wildfire_2k	qsa_qbb_id;
80	wildfire_2k	__pad1;
81	wildfire_2k	qsa_port_ena;
82	wildfire_2k	qsa_scratch;
83	wildfire_2k	qsa_config[5];
84	wildfire_2k	qsa_ref_int;
85	wildfire_2k	qsa_qbb_pop[2];
86	wildfire_2k	qsa_dtag_fc;
87	wildfire_2k	__pad2[3];
88	wildfire_2k	qsa_diag;
89	wildfire_2k	qsa_diag_lock[4];
90	wildfire_2k	__pad3[11];
91	wildfire_2k	qsa_cpu_err_sum;
92	wildfire_2k	qsa_misc_err_sum;
93	wildfire_2k	qsa_tmo_err_sum;
94	wildfire_2k	qsa_err_ena;
95	wildfire_2k	qsa_tmo_config;
96	wildfire_2k	qsa_ill_cmd_err_sum;
97	wildfire_2k	__pad4[26];
98	wildfire_2k	qsa_busy_mask;
99	wildfire_2k	qsa_arr_valid;
100	wildfire_2k	__pad5[2];
101	wildfire_2k	qsa_port_map[4];
102	wildfire_2k	qsa_arr_addr[8];
103	wildfire_2k	qsa_arr_mask[8];
104} wildfire_qsa;
105
106typedef struct {
107	wildfire_64	ioa_config;
108	wildfire_64	iod_config;
109	wildfire_64	iop_switch_credits;
110	wildfire_64	__pad1;
111	wildfire_64	iop_hose_credits;
112	wildfire_64	__pad2[11];
113	struct {
114		wildfire_64	__pad3;
115		wildfire_64	init;
116	} iop_hose[4];
117	wildfire_64	ioa_hose_0_ctrl;
118	wildfire_64	iod_hose_0_ctrl;
119	wildfire_64	ioa_hose_1_ctrl;
120	wildfire_64	iod_hose_1_ctrl;
121	wildfire_64	ioa_hose_2_ctrl;
122	wildfire_64	iod_hose_2_ctrl;
123	wildfire_64	ioa_hose_3_ctrl;
124	wildfire_64	iod_hose_3_ctrl;
125	struct {
126		wildfire_64	target;
127		wildfire_64	__pad4;
128	} iop_dev_int[4];
129
130	wildfire_64	iop_err_int_target;
131	wildfire_64	__pad5[7];
132	wildfire_64	iop_qbb_err_sum;
133	wildfire_64	__pad6;
134	wildfire_64	iop_qbb_se_sum;
135	wildfire_64	__pad7;
136	wildfire_64	ioa_err_sum;
137	wildfire_64	iod_err_sum;
138	wildfire_64	__pad8[4];
139	wildfire_64	ioa_diag_force_err;
140	wildfire_64	iod_diag_force_err;
141	wildfire_64	__pad9[4];
142	wildfire_64	iop_diag_send_err_int;
143	wildfire_64	__pad10[15];
144	wildfire_64	ioa_scratch;
145	wildfire_64	iod_scratch;
146} wildfire_iop;
147
148typedef struct {
149	wildfire_2k	gpa_qbb_map[4];
150	wildfire_2k	gpa_mem_pop_map;
151	wildfire_2k	gpa_scratch;
152	wildfire_2k	gpa_diag;
153	wildfire_2k	gpa_config_0;
154	wildfire_2k	__pad1;
155	wildfire_2k	gpa_init_id;
156	wildfire_2k	gpa_config_2;
157	/* not complete */
158} wildfire_gp;
159
160typedef struct {
161	wildfire_64	pca_what_am_i;
162	wildfire_64	pca_err_sum;
163	wildfire_64	pca_diag_force_err;
164	wildfire_64	pca_diag_send_err_int;
165	wildfire_64	pca_hose_credits;
166	wildfire_64	pca_scratch;
167	wildfire_64	pca_micro_addr;
168	wildfire_64	pca_micro_data;
169	wildfire_64	pca_pend_int;
170	wildfire_64	pca_sent_int;
171	wildfire_64	__pad1;
172	wildfire_64	pca_stdio_edge_level;
173	wildfire_64	__pad2[52];
174	struct {
175		wildfire_64	target;
176		wildfire_64	enable;
177	} pca_int[4];
178	wildfire_64	__pad3[56];
179	wildfire_64	pca_alt_sent_int[32];
180} wildfire_pca;
181
182typedef struct {
183	wildfire_64	ne_what_am_i;
184	/* not complete */
185} wildfire_ne;
186
187typedef struct {
188	wildfire_64	fe_what_am_i;
189	/* not complete */
190} wildfire_fe;
191
192typedef struct {
193	wildfire_64	pci_io_addr_ext;
194	wildfire_64	pci_ctrl;
195	wildfire_64	pci_err_sum;
196	wildfire_64	pci_err_addr;
197	wildfire_64	pci_stall_cnt;
198	wildfire_64	pci_iack_special;
199	wildfire_64	__pad1[2];
200	wildfire_64	pci_pend_int;
201	wildfire_64	pci_sent_int;
202	wildfire_64	__pad2[54];
203	struct {
204		wildfire_64	wbase;
205		wildfire_64	wmask;
206		wildfire_64	tbase;
207	} pci_window[4];
208	wildfire_64	pci_flush_tlb;
209	wildfire_64	pci_perf_mon;
210} wildfire_pci;
211
212#define WILDFIRE_ENTITY_SHIFT		18
213
214#define WILDFIRE_GP_ENTITY		(0x10UL << WILDFIRE_ENTITY_SHIFT)
215#define WILDFIRE_IOP_ENTITY		(0x08UL << WILDFIRE_ENTITY_SHIFT)
216#define WILDFIRE_QSA_ENTITY		(0x04UL << WILDFIRE_ENTITY_SHIFT)
217#define WILDFIRE_QSD_ENTITY_SLOW	(0x05UL << WILDFIRE_ENTITY_SHIFT)
218#define WILDFIRE_QSD_ENTITY_FAST	(0x01UL << WILDFIRE_ENTITY_SHIFT)
219
220#define WILDFIRE_PCA_ENTITY(pca)	((0xc|(pca))<<WILDFIRE_ENTITY_SHIFT)
221
222#define WILDFIRE_BASE		(IDENT_ADDR | (1UL << 40))
223
224#define WILDFIRE_QBB_MASK	0x0fUL	/* for now, only 4 bits/16 QBBs */
225
226#define WILDFIRE_QBB(q)		((~((long)(q)) & WILDFIRE_QBB_MASK) << 36)
227#define WILDFIRE_HOSE(h)	((long)(h) << 33)
228
229#define WILDFIRE_QBB_IO(q)	(WILDFIRE_BASE | WILDFIRE_QBB(q))
230#define WILDFIRE_QBB_HOSE(q,h)	(WILDFIRE_QBB_IO(q) | WILDFIRE_HOSE(h))
231
232#define WILDFIRE_MEM(q,h)	(WILDFIRE_QBB_HOSE(q,h) | 0x000000000UL)
233#define WILDFIRE_CONF(q,h)	(WILDFIRE_QBB_HOSE(q,h) | 0x1FE000000UL)
234#define WILDFIRE_IO(q,h)	(WILDFIRE_QBB_HOSE(q,h) | 0x1FF000000UL)
235
236#define WILDFIRE_qsd(q) \
237 ((wildfire_qsd *)(WILDFIRE_QBB_IO(q)|WILDFIRE_QSD_ENTITY_SLOW|(((1UL<<13)-1)<<23)))
238
239#define WILDFIRE_fast_qsd() \
240 ((wildfire_fast_qsd *)(WILDFIRE_QBB_IO(0)|WILDFIRE_QSD_ENTITY_FAST|(((1UL<<13)-1)<<23)))
241
242#define WILDFIRE_qsa(q) \
243 ((wildfire_qsa *)(WILDFIRE_QBB_IO(q)|WILDFIRE_QSA_ENTITY|(((1UL<<13)-1)<<23)))
244
245#define WILDFIRE_iop(q) \
246 ((wildfire_iop *)(WILDFIRE_QBB_IO(q)|WILDFIRE_IOP_ENTITY|(((1UL<<13)-1)<<23)))
247
248#define WILDFIRE_gp(q) \
249 ((wildfire_gp *)(WILDFIRE_QBB_IO(q)|WILDFIRE_GP_ENTITY|(((1UL<<13)-1)<<23)))
250
251#define WILDFIRE_pca(q,pca) \
252 ((wildfire_pca *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(pca)|(((1UL<<13)-1)<<23)))
253
254#define WILDFIRE_ne(q,pca) \
255 ((wildfire_ne *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(pca)|(((1UL<<13)-1)<<23)|(1UL<<16)))
256
257#define WILDFIRE_fe(q,pca) \
258 ((wildfire_fe *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(pca)|(((1UL<<13)-1)<<23)|(3UL<<15)))
259
260#define WILDFIRE_pci(q,h) \
261 ((wildfire_pci *)(WILDFIRE_QBB_IO(q)|WILDFIRE_PCA_ENTITY(((h)&6)>>1)|((((h)&1)|2)<<16)|(((1UL<<13)-1)<<23)))
262
263#define WILDFIRE_IO_BIAS        WILDFIRE_IO(0,0)
264#define WILDFIRE_MEM_BIAS       WILDFIRE_MEM(0,0) /* ??? */
265
266/* The IO address space is larger than 0xffff */
267#define WILDFIRE_IO_SPACE	(8UL*1024*1024)
268
269#ifdef __KERNEL__
270
271#ifndef __EXTERN_INLINE
272#define __EXTERN_INLINE static inline
273#define __IO_EXTERN_INLINE
274#endif
275
276#define vucp	volatile unsigned char *
277#define vusp	volatile unsigned short *
278#define vuip	volatile unsigned int *
279#define vulp	volatile unsigned long *
280
281__EXTERN_INLINE u8 wildfire_inb(unsigned long addr)
282{
283	/* ??? I wish I could get rid of this.  But there's no ioremap
284	   equivalent for I/O space.  PCI I/O can be forced into the
285	   correct hose's I/O region, but that doesn't take care of
286	   legacy ISA crap.  */
287
288	addr += WILDFIRE_IO_BIAS;
289	return __kernel_ldbu(*(vucp)addr);
290}
291
292__EXTERN_INLINE void wildfire_outb(u8 b, unsigned long addr)
293{
294	addr += WILDFIRE_IO_BIAS;
295	__kernel_stb(b, *(vucp)addr);
296	mb();
297}
298
299__EXTERN_INLINE u16 wildfire_inw(unsigned long addr)
300{
301	addr += WILDFIRE_IO_BIAS;
302	return __kernel_ldwu(*(vusp)addr);
303}
304
305__EXTERN_INLINE void wildfire_outw(u16 b, unsigned long addr)
306{
307	addr += WILDFIRE_IO_BIAS;
308	__kernel_stw(b, *(vusp)addr);
309	mb();
310}
311
312__EXTERN_INLINE u32 wildfire_inl(unsigned long addr)
313{
314	addr += WILDFIRE_IO_BIAS;
315	return *(vuip)addr;
316}
317
318__EXTERN_INLINE void wildfire_outl(u32 b, unsigned long addr)
319{
320	addr += WILDFIRE_IO_BIAS;
321	*(vuip)addr = b;
322	mb();
323}
324
325/*
326 * Memory functions.  all accesses are done through linear space.
327 */
328
329__EXTERN_INLINE unsigned long wildfire_ioremap(unsigned long addr,
330					       unsigned long size
331					       __attribute__((unused)))
332{
333	return addr + WILDFIRE_MEM_BIAS;
334}
335
336__EXTERN_INLINE void wildfire_iounmap(unsigned long addr)
337{
338	return;
339}
340
341__EXTERN_INLINE int wildfire_is_ioaddr(unsigned long addr)
342{
343	return addr >= WILDFIRE_BASE;
344}
345
346__EXTERN_INLINE u8 wildfire_readb(unsigned long addr)
347{
348	return __kernel_ldbu(*(vucp)addr);
349}
350
351__EXTERN_INLINE u16 wildfire_readw(unsigned long addr)
352{
353	return __kernel_ldwu(*(vusp)addr);
354}
355
356__EXTERN_INLINE u32 wildfire_readl(unsigned long addr)
357{
358	return (*(vuip)addr) & 0xffffffff;
359}
360
361__EXTERN_INLINE u64 wildfire_readq(unsigned long addr)
362{
363	return *(vulp)addr;
364}
365
366__EXTERN_INLINE void wildfire_writeb(u8 b, unsigned long addr)
367{
368	__kernel_stb(b, *(vucp)addr);
369}
370
371__EXTERN_INLINE void wildfire_writew(u16 b, unsigned long addr)
372{
373	__kernel_stw(b, *(vusp)addr);
374}
375
376__EXTERN_INLINE void wildfire_writel(u32 b, unsigned long addr)
377{
378	*(vuip)addr = b;
379}
380
381__EXTERN_INLINE void wildfire_writeq(u64 b, unsigned long addr)
382{
383	*(vulp)addr = b;
384}
385
386#undef vucp
387#undef vusp
388#undef vuip
389#undef vulp
390
391#ifdef __WANT_IO_DEF
392
393#define __inb(p)		wildfire_inb((unsigned long)(p))
394#define __inw(p)		wildfire_inw((unsigned long)(p))
395#define __inl(p)		wildfire_inl((unsigned long)(p))
396#define __outb(x,p)		wildfire_outb((x),(unsigned long)(p))
397#define __outw(x,p)		wildfire_outw((x),(unsigned long)(p))
398#define __outl(x,p)		wildfire_outl((x),(unsigned long)(p))
399#define __readb(a)		wildfire_readb((unsigned long)(a))
400#define __readw(a)		wildfire_readw((unsigned long)(a))
401#define __readl(a)		wildfire_readl((unsigned long)(a))
402#define __readq(a)		wildfire_readq((unsigned long)(a))
403#define __writeb(x,a)		wildfire_writeb((x),(unsigned long)(a))
404#define __writew(x,a)		wildfire_writew((x),(unsigned long)(a))
405#define __writel(x,a)		wildfire_writel((x),(unsigned long)(a))
406#define __writeq(x,a)		wildfire_writeq((x),(unsigned long)(a))
407#define __ioremap(a,s)		wildfire_ioremap((unsigned long)(a),(s))
408#define __iounmap(a)		wildfire_iounmap((unsigned long)(a))
409#define __is_ioaddr(a)		wildfire_is_ioaddr((unsigned long)(a))
410
411#define inb(p)			__inb(p)
412#define inw(p)			__inw(p)
413#define inl(p)			__inl(p)
414#define outb(x,p)		__outb((x),(p))
415#define outw(x,p)		__outw((x),(p))
416#define outl(x,p)		__outl((x),(p))
417#define __raw_readb(a)		__readb(a)
418#define __raw_readw(a)		__readw(a)
419#define __raw_readl(a)		__readl(a)
420#define __raw_readq(a)		__readq(a)
421#define __raw_writeb(v,a)	__writeb((v),(a))
422#define __raw_writew(v,a)	__writew((v),(a))
423#define __raw_writel(v,a)	__writel((v),(a))
424#define __raw_writeq(v,a)	__writeq((v),(a))
425
426#endif /* __WANT_IO_DEF */
427
428#ifdef __IO_EXTERN_INLINE
429#undef __EXTERN_INLINE
430#undef __IO_EXTERN_INLINE
431#endif
432
433#endif /* __KERNEL__ */
434
435#endif /* __ALPHA_WILDFIRE__H__ */
436