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 
14 extern unsigned char wildfire_hard_qbb_map[WILDFIRE_MAX_QBB];
15 extern unsigned char wildfire_soft_qbb_map[WILDFIRE_MAX_QBB];
16 #define QBB_MAP_EMPTY	0xff
17 
18 extern unsigned long wildfire_hard_qbb_mask;
19 extern unsigned long wildfire_soft_qbb_mask;
20 extern unsigned long wildfire_gp_mask;
21 extern unsigned long wildfire_hs_mask;
22 extern unsigned long wildfire_iop_mask;
23 extern unsigned long wildfire_ior_mask;
24 extern unsigned long wildfire_pca_mask;
25 extern unsigned long wildfire_cpu_mask;
26 extern 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 
35 typedef struct {
36 	volatile unsigned long csr __attribute__((aligned(64)));
37 } wildfire_64;
38 
39 typedef struct {
40 	volatile unsigned long csr __attribute__((aligned(256)));
41 } wildfire_256;
42 
43 typedef struct {
44 	volatile unsigned long csr __attribute__((aligned(2048)));
45 } wildfire_2k;
46 
47 typedef 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 
67 typedef 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 
78 typedef 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 
106 typedef 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 
148 typedef 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 
160 typedef 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 
182 typedef struct {
183 	wildfire_64	ne_what_am_i;
184 	/* not complete */
185 } wildfire_ne;
186 
187 typedef struct {
188 	wildfire_64	fe_what_am_i;
189 	/* not complete */
190 } wildfire_fe;
191 
192 typedef 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 extern inline
273 #define __IO_EXTERN_INLINE
274 #endif
275 
276 /*
277  * Memory functions.  all accesses are done through linear space.
278  */
279 
280 __EXTERN_INLINE void __iomem *wildfire_ioportmap(unsigned long addr)
281 {
282 	return (void __iomem *)(addr + WILDFIRE_IO_BIAS);
283 }
284 
285 __EXTERN_INLINE void __iomem *wildfire_ioremap(unsigned long addr,
286 					       unsigned long size)
287 {
288 	return (void __iomem *)(addr + WILDFIRE_MEM_BIAS);
289 }
290 
291 __EXTERN_INLINE int wildfire_is_ioaddr(unsigned long addr)
292 {
293 	return addr >= WILDFIRE_BASE;
294 }
295 
296 __EXTERN_INLINE int wildfire_is_mmio(const volatile void __iomem *xaddr)
297 {
298 	unsigned long addr = (unsigned long)xaddr;
299 	return (addr & 0x100000000UL) == 0;
300 }
301 
302 #undef __IO_PREFIX
303 #define __IO_PREFIX			wildfire
304 #define wildfire_trivial_rw_bw		1
305 #define wildfire_trivial_rw_lq		1
306 #define wildfire_trivial_io_bw		1
307 #define wildfire_trivial_io_lq		1
308 #define wildfire_trivial_iounmap	1
309 #include <asm/io_trivial.h>
310 
311 #ifdef __IO_EXTERN_INLINE
312 #undef __EXTERN_INLINE
313 #undef __IO_EXTERN_INLINE
314 #endif
315 
316 #endif /* __KERNEL__ */
317 
318 #endif /* __ALPHA_WILDFIRE__H__ */
319