1 /* SPDX-License-Identifier: GPL-2.0 */
2 #include <linux/interrupt.h>
3 #include <linux/io.h>
4
5 /* Prototypes of functions used across modules here in this directory. */
6
7 #define vucp volatile unsigned char *
8 #define vusp volatile unsigned short *
9 #define vip volatile int *
10 #define vuip volatile unsigned int *
11 #define vulp volatile unsigned long *
12
13 struct pt_regs;
14 struct task_struct;
15 struct pci_dev;
16 struct pci_controller;
17
18 /* core_apecs.c */
19 extern struct pci_ops apecs_pci_ops;
20 extern void apecs_init_arch(void);
21 extern void apecs_pci_clr_err(void);
22 extern void apecs_machine_check(unsigned long vector, unsigned long la_ptr);
23 extern void apecs_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
24
25 /* core_cia.c */
26 extern struct pci_ops cia_pci_ops;
27 extern void cia_init_pci(void);
28 extern void cia_init_arch(void);
29 extern void pyxis_init_arch(void);
30 extern void cia_kill_arch(int);
31 extern void cia_machine_check(unsigned long vector, unsigned long la_ptr);
32 extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
33
34 /* core_irongate.c */
35 extern struct pci_ops irongate_pci_ops;
36 extern int irongate_pci_clr_err(void);
37 extern void irongate_init_arch(void);
38 #define irongate_pci_tbi ((void *)0)
39
40 /* core_lca.c */
41 extern struct pci_ops lca_pci_ops;
42 extern void lca_init_arch(void);
43 extern void lca_machine_check(unsigned long vector, unsigned long la_ptr);
44 extern void lca_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
45
46 /* core_marvel.c */
47 extern struct pci_ops marvel_pci_ops;
48 extern void marvel_init_arch(void);
49 extern void marvel_kill_arch(int);
50 extern void marvel_machine_check(unsigned long, unsigned long);
51 extern void marvel_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
52 extern int marvel_pa_to_nid(unsigned long);
53 extern int marvel_cpuid_to_nid(int);
54 extern unsigned long marvel_node_mem_start(int);
55 extern unsigned long marvel_node_mem_size(int);
56 extern struct _alpha_agp_info *marvel_agp_info(void);
57 struct io7 *marvel_find_io7(int pe);
58 struct io7 *marvel_next_io7(struct io7 *prev);
59 void io7_clear_errors(struct io7 *io7);
60
61 /* core_mcpcia.c */
62 extern struct pci_ops mcpcia_pci_ops;
63 extern void mcpcia_init_arch(void);
64 extern void mcpcia_init_hoses(void);
65 extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr);
66 extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
67
68 /* core_polaris.c */
69 extern struct pci_ops polaris_pci_ops;
70 extern int polaris_read_config_dword(struct pci_dev *, int, u32 *);
71 extern int polaris_write_config_dword(struct pci_dev *, int, u32);
72 extern void polaris_init_arch(void);
73 extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr);
74 #define polaris_pci_tbi ((void *)0)
75
76 /* core_t2.c */
77 extern struct pci_ops t2_pci_ops;
78 extern void t2_init_arch(void);
79 extern void t2_kill_arch(int);
80 extern void t2_machine_check(unsigned long vector, unsigned long la_ptr);
81 extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
82
83 /* core_titan.c */
84 extern struct pci_ops titan_pci_ops;
85 extern void titan_init_arch(void);
86 extern void titan_kill_arch(int);
87 extern void titan_machine_check(unsigned long, unsigned long);
88 extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
89 extern struct _alpha_agp_info *titan_agp_info(void);
90
91 /* core_tsunami.c */
92 extern struct pci_ops tsunami_pci_ops;
93 extern void tsunami_init_arch(void);
94 extern void tsunami_kill_arch(int);
95 extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr);
96 extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
97
98 /* core_wildfire.c */
99 extern struct pci_ops wildfire_pci_ops;
100 extern void wildfire_init_arch(void);
101 extern void wildfire_kill_arch(int);
102 extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr);
103 extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
104 extern int wildfire_pa_to_nid(unsigned long);
105 extern int wildfire_cpuid_to_nid(int);
106 extern unsigned long wildfire_node_mem_start(int);
107 extern unsigned long wildfire_node_mem_size(int);
108
109 /* console.c */
110 #ifdef CONFIG_VGA_HOSE
111 extern void find_console_vga_hose(void);
112 extern void locate_and_init_vga(void *(*)(void *, void *));
113 #else
find_console_vga_hose(void)114 static inline void find_console_vga_hose(void) { }
locate_and_init_vga(void * (* sel_func)(void *,void *))115 static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { }
116 #endif
117
118 /* setup.c */
119 extern unsigned long srm_hae;
120 extern int boot_cpuid;
121 #ifdef CONFIG_VERBOSE_MCHECK
122 extern unsigned long alpha_verbose_mcheck;
123 #endif
124
125 /* srmcons.c */
126 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM)
127 extern void register_srm_console(void);
128 extern void unregister_srm_console(void);
129 #else
130 #define register_srm_console()
131 #define unregister_srm_console()
132 #endif
133
134 /* smp.c */
135 extern void setup_smp(void);
136 extern void handle_ipi(struct pt_regs *);
137
138 /* bios32.c */
139 /* extern void reset_for_srm(void); */
140
141 /* time.c */
142 extern irqreturn_t rtc_timer_interrupt(int irq, void *dev);
143 extern void init_clockevent(void);
144 extern void common_init_rtc(void);
145 extern unsigned long est_cycle_freq;
146
147 /* smc37c93x.c */
148 extern void SMC93x_Init(void);
149
150 /* smc37c669.c */
151 extern void SMC669_Init(int);
152
153 /* es1888.c */
154 extern void es1888_init(void);
155
156 /* ../lib/fpreg.c */
157 extern void alpha_write_fp_reg (unsigned long reg, unsigned long val);
158 extern unsigned long alpha_read_fp_reg (unsigned long reg);
159
160 /* head.S */
161 extern void wrmces(unsigned long mces);
162 extern void cserve_ena(unsigned long);
163 extern void cserve_dis(unsigned long);
164 extern void __smp_callin(unsigned long);
165
166 /* entry.S */
167 extern void entArith(void);
168 extern void entIF(void);
169 extern void entInt(void);
170 extern void entMM(void);
171 extern void entSys(void);
172 extern void entUna(void);
173 extern void entDbg(void);
174
175 /* ptrace.c */
176 extern int ptrace_set_bpt (struct task_struct *child);
177 extern int ptrace_cancel_bpt (struct task_struct *child);
178
179 /* traps.c */
180 extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15);
181 extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *);
182
183 /* sys_titan.c */
184 extern void titan_dispatch_irqs(u64);
185
186 /* ../mm/init.c */
187 extern void switch_to_system_map(void);
188 extern void srm_paging_stop(void);
189
190 static inline int
__alpha_remap_area_pages(unsigned long address,unsigned long phys_addr,unsigned long size,unsigned long flags)191 __alpha_remap_area_pages(unsigned long address, unsigned long phys_addr,
192 unsigned long size, unsigned long flags)
193 {
194 pgprot_t prot;
195
196 prot = __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE
197 | _PAGE_KWE | flags);
198 return ioremap_page_range(address, address + size, phys_addr, prot);
199 }
200
201 /* irq.c */
202
203 #ifdef CONFIG_SMP
204 #define mcheck_expected(cpu) (cpu_data[cpu].mcheck_expected)
205 #define mcheck_taken(cpu) (cpu_data[cpu].mcheck_taken)
206 #define mcheck_extra(cpu) (cpu_data[cpu].mcheck_extra)
207 #else
208 extern struct mcheck_info
209 {
210 unsigned char expected __attribute__((aligned(8)));
211 unsigned char taken;
212 unsigned char extra;
213 } __mcheck_info;
214
215 #define mcheck_expected(cpu) (*((void)(cpu), &__mcheck_info.expected))
216 #define mcheck_taken(cpu) (*((void)(cpu), &__mcheck_info.taken))
217 #define mcheck_extra(cpu) (*((void)(cpu), &__mcheck_info.extra))
218 #endif
219
220 extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr,
221 const char *machine, int expected);
222
