1 #include <linux/interrupt.h>
2 #include <linux/io.h>
3
4 #include <asm/pgtable.h>
5
6 /* Prototypes of functions used across modules here in this directory. */
7
8 #define vucp volatile unsigned char *
9 #define vusp volatile unsigned short *
10 #define vip volatile int *
11 #define vuip volatile unsigned int *
12 #define vulp volatile unsigned long *
13
14 struct pt_regs;
15 struct task_struct;
16 struct pci_dev;
17 struct pci_controller;
18
19 /* core_apecs.c */
20 extern struct pci_ops apecs_pci_ops;
21 extern void apecs_init_arch(void);
22 extern void apecs_pci_clr_err(void);
23 extern void apecs_machine_check(unsigned long vector, unsigned long la_ptr);
24 extern void apecs_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
25
26 /* core_cia.c */
27 extern struct pci_ops cia_pci_ops;
28 extern void cia_init_pci(void);
29 extern void cia_init_arch(void);
30 extern void pyxis_init_arch(void);
31 extern void cia_kill_arch(int);
32 extern void cia_machine_check(unsigned long vector, unsigned long la_ptr);
33 extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
34
35 /* core_irongate.c */
36 extern struct pci_ops irongate_pci_ops;
37 extern int irongate_pci_clr_err(void);
38 extern void irongate_init_arch(void);
39 #define irongate_pci_tbi ((void *)0)
40
41 /* core_lca.c */
42 extern struct pci_ops lca_pci_ops;
43 extern void lca_init_arch(void);
44 extern void lca_machine_check(unsigned long vector, unsigned long la_ptr);
45 extern void lca_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
46
47 /* core_marvel.c */
48 extern struct pci_ops marvel_pci_ops;
49 extern void marvel_init_arch(void);
50 extern void marvel_kill_arch(int);
51 extern void marvel_machine_check(unsigned long, unsigned long);
52 extern void marvel_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
53 extern int marvel_pa_to_nid(unsigned long);
54 extern int marvel_cpuid_to_nid(int);
55 extern unsigned long marvel_node_mem_start(int);
56 extern unsigned long marvel_node_mem_size(int);
57 extern struct _alpha_agp_info *marvel_agp_info(void);
58 struct io7 *marvel_find_io7(int pe);
59 struct io7 *marvel_next_io7(struct io7 *prev);
60 void io7_clear_errors(struct io7 *io7);
61
62 /* core_mcpcia.c */
63 extern struct pci_ops mcpcia_pci_ops;
64 extern void mcpcia_init_arch(void);
65 extern void mcpcia_init_hoses(void);
66 extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr);
67 extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
68
69 /* core_polaris.c */
70 extern struct pci_ops polaris_pci_ops;
71 extern int polaris_read_config_dword(struct pci_dev *, int, u32 *);
72 extern int polaris_write_config_dword(struct pci_dev *, int, u32);
73 extern void polaris_init_arch(void);
74 extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr);
75 #define polaris_pci_tbi ((void *)0)
76
77 /* core_t2.c */
78 extern struct pci_ops t2_pci_ops;
79 extern void t2_init_arch(void);
80 extern void t2_kill_arch(int);
81 extern void t2_machine_check(unsigned long vector, unsigned long la_ptr);
82 extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
83
84 /* core_titan.c */
85 extern struct pci_ops titan_pci_ops;
86 extern void titan_init_arch(void);
87 extern void titan_kill_arch(int);
88 extern void titan_machine_check(unsigned long, unsigned long);
89 extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
90 extern struct _alpha_agp_info *titan_agp_info(void);
91
92 /* core_tsunami.c */
93 extern struct pci_ops tsunami_pci_ops;
94 extern void tsunami_init_arch(void);
95 extern void tsunami_kill_arch(int);
96 extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr);
97 extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
98
99 /* core_wildfire.c */
100 extern struct pci_ops wildfire_pci_ops;
101 extern void wildfire_init_arch(void);
102 extern void wildfire_kill_arch(int);
103 extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr);
104 extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
105 extern int wildfire_pa_to_nid(unsigned long);
106 extern int wildfire_cpuid_to_nid(int);
107 extern unsigned long wildfire_node_mem_start(int);
108 extern unsigned long wildfire_node_mem_size(int);
109
110 /* console.c */
111 #ifdef CONFIG_VGA_HOSE
112 extern void find_console_vga_hose(void);
113 extern void locate_and_init_vga(void *(*)(void *, void *));
114 #else
find_console_vga_hose(void)115 static inline void find_console_vga_hose(void) { }
locate_and_init_vga(void * (* sel_func)(void *,void *))116 static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { }
117 #endif
118
119 /* setup.c */
120 extern unsigned long srm_hae;
121 extern int boot_cpuid;
122 #ifdef CONFIG_VERBOSE_MCHECK
123 extern unsigned long alpha_verbose_mcheck;
124 #endif
125
126 /* srmcons.c */
127 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM)
128 extern void register_srm_console(void);
129 extern void unregister_srm_console(void);
130 #else
131 #define register_srm_console()
132 #define unregister_srm_console()
133 #endif
134
135 /* smp.c */
136 extern void setup_smp(void);
137 extern void handle_ipi(struct pt_regs *);
138 extern void smp_percpu_timer_interrupt(struct pt_regs *);
139
140 /* bios32.c */
141 /* extern void reset_for_srm(void); */
142
143 /* time.c */
144 extern irqreturn_t timer_interrupt(int irq, void *dev);
145 extern void common_init_rtc(void);
146 extern unsigned long est_cycle_freq;
147 extern unsigned int common_get_rtc_time(struct rtc_time *time);
148 extern int common_set_rtc_time(struct rtc_time *time);
149
150 /* smc37c93x.c */
151 extern void SMC93x_Init(void);
152
153 /* smc37c669.c */
154 extern void SMC669_Init(int);
155
156 /* es1888.c */
157 extern void es1888_init(void);
158
159 /* ../lib/fpreg.c */
160 extern void alpha_write_fp_reg (unsigned long reg, unsigned long val);
161 extern unsigned long alpha_read_fp_reg (unsigned long reg);
162
163 /* head.S */
164 extern void wrmces(unsigned long mces);
165 extern void cserve_ena(unsigned long);
166 extern void cserve_dis(unsigned long);
167 extern void __smp_callin(unsigned long);
168
169 /* entry.S */
170 extern void entArith(void);
171 extern void entIF(void);
172 extern void entInt(void);
173 extern void entMM(void);
174 extern void entSys(void);
175 extern void entUna(void);
176 extern void entDbg(void);
177
178 /* ptrace.c */
179 extern int ptrace_set_bpt (struct task_struct *child);
180 extern int ptrace_cancel_bpt (struct task_struct *child);
181
182 /* traps.c */
183 extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15);
184 extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *);
185
186 /* sys_titan.c */
187 extern void titan_dispatch_irqs(u64);
188
189 /* ../mm/init.c */
190 extern void switch_to_system_map(void);
191 extern void srm_paging_stop(void);
192
193 static inline int
__alpha_remap_area_pages(unsigned long address,unsigned long phys_addr,unsigned long size,unsigned long flags)194 __alpha_remap_area_pages(unsigned long address, unsigned long phys_addr,
195 unsigned long size, unsigned long flags)
196 {
197 pgprot_t prot;
198
199 prot = __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE
200 | _PAGE_KWE | flags);
201 return ioremap_page_range(address, address + size, phys_addr, prot);
202 }
203
204 /* irq.c */
205
206 #ifdef CONFIG_SMP
207 #define mcheck_expected(cpu) (cpu_data[cpu].mcheck_expected)
208 #define mcheck_taken(cpu) (cpu_data[cpu].mcheck_taken)
209 #define mcheck_extra(cpu) (cpu_data[cpu].mcheck_extra)
210 #else
211 extern struct mcheck_info
212 {
213 unsigned char expected __attribute__((aligned(8)));
214 unsigned char taken;
215 unsigned char extra;
216 } __mcheck_info;
217
218 #define mcheck_expected(cpu) (*((void)(cpu), &__mcheck_info.expected))
219 #define mcheck_taken(cpu) (*((void)(cpu), &__mcheck_info.taken))
220 #define mcheck_extra(cpu) (*((void)(cpu), &__mcheck_info.extra))
221 #endif
222
223 extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr,
224 const char *machine, int expected);
225