[PATCH] x86_64: Add a guard page at the end of the 47bit address space
[linux-2.6] / include / asm-alpha / core_wildfire.h
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)addr;
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__ */