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1/* SPDX-License-Identifier: GPL-2.0 */
2#include <linux/interrupt.h>
3#include <linux/screen_info.h>
4#include <linux/io.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
14struct pt_regs;
15struct task_struct;
16struct pci_dev;
17struct pci_controller;
18struct pci_bus;
19
20/* core_cia.c */
21extern struct pci_ops cia_pci_ops;
22extern void cia_init_pci(void);
23extern void cia_init_arch(void);
24extern void pyxis_init_arch(void);
25extern void cia_kill_arch(int);
26extern void cia_machine_check(unsigned long vector, unsigned long la_ptr);
27extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
28
29/* core_irongate.c */
30extern struct pci_ops irongate_pci_ops;
31extern int irongate_pci_clr_err(void);
32extern void irongate_init_arch(void);
33#define irongate_pci_tbi ((void *)0)
34
35/* core_marvel.c */
36extern struct pci_ops marvel_pci_ops;
37extern void marvel_init_arch(void);
38extern void marvel_kill_arch(int);
39extern void marvel_machine_check(unsigned long, unsigned long);
40extern void marvel_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
41extern struct _alpha_agp_info *marvel_agp_info(void);
42struct io7 *marvel_find_io7(int pe);
43struct io7 *marvel_next_io7(struct io7 *prev);
44void io7_clear_errors(struct io7 *io7);
45
46/* core_mcpcia.c */
47extern struct pci_ops mcpcia_pci_ops;
48extern void mcpcia_init_arch(void);
49extern void mcpcia_init_hoses(void);
50extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr);
51extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
52
53/* core_polaris.c */
54extern struct pci_ops polaris_pci_ops;
55extern int polaris_read_config_dword(struct pci_dev *, int, u32 *);
56extern int polaris_write_config_dword(struct pci_dev *, int, u32);
57extern void polaris_init_arch(void);
58extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr);
59#define polaris_pci_tbi ((void *)0)
60
61/* core_t2.c */
62extern struct pci_ops t2_pci_ops;
63extern void t2_init_arch(void);
64extern void t2_kill_arch(int);
65extern void t2_machine_check(unsigned long vector, unsigned long la_ptr);
66extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
67
68/* core_titan.c */
69extern struct pci_ops titan_pci_ops;
70extern void titan_init_arch(void);
71extern void titan_kill_arch(int);
72extern void titan_machine_check(unsigned long, unsigned long);
73extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
74extern struct _alpha_agp_info *titan_agp_info(void);
75
76/* core_tsunami.c */
77extern struct pci_ops tsunami_pci_ops;
78extern void tsunami_init_arch(void);
79extern void tsunami_kill_arch(int);
80extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr);
81extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
82
83/* core_wildfire.c */
84extern struct pci_ops wildfire_pci_ops;
85extern void wildfire_init_arch(void);
86extern void wildfire_kill_arch(int);
87extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr);
88extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
89
90/* console.c */
91#ifdef CONFIG_VGA_HOSE
92extern void find_console_vga_hose(void);
93extern void locate_and_init_vga(void *(*)(void *, void *));
94#else
95static inline void find_console_vga_hose(void) { }
96static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { }
97#endif
98
99/* setup.c */
100extern unsigned long srm_hae;
101extern int boot_cpuid;
102#ifdef CONFIG_VERBOSE_MCHECK
103extern unsigned long alpha_verbose_mcheck;
104#endif
105#ifdef CONFIG_BLK_DEV_INITRD
106extern void * __init move_initrd(unsigned long);
107#endif
108extern struct screen_info vgacon_screen_info;
109
110/* srmcons.c */
111#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM)
112extern void register_srm_console(void);
113extern void unregister_srm_console(void);
114#else
115#define register_srm_console()
116#define unregister_srm_console()
117#endif
118
119/* smp.c */
120extern void setup_smp(void);
121extern void handle_ipi(struct pt_regs *);
122extern void __init smp_callin(void);
123
124/* bios32.c */
125/* extern void reset_for_srm(void); */
126
127/* time.c */
128extern irqreturn_t rtc_timer_interrupt(int irq, void *dev);
129extern void init_clockevent(void);
130extern void common_init_rtc(void);
131extern unsigned long est_cycle_freq;
132
133/* smc37c93x.c */
134extern int __init SMC93x_Init(void);
135
136/* smc37c669.c */
137extern void __init SMC669_Init(int);
138
139/* es1888.c */
140extern void __init es1888_init(void);
141
142/* ../lib/fpreg.c */
143extern void alpha_write_fp_reg (unsigned long reg, unsigned long val);
144extern unsigned long alpha_read_fp_reg (unsigned long reg);
145
146/* head.S */
147extern void wrmces(unsigned long mces);
148extern void cserve_ena(unsigned long);
149extern void cserve_dis(unsigned long);
150extern void __smp_callin(unsigned long);
151
152/* entry.S */
153extern void entArith(void);
154extern void entIF(void);
155extern void entInt(void);
156extern void entMM(void);
157extern void entSys(void);
158extern void entUna(void);
159extern void entDbg(void);
160
161/* pci.c */
162extern void pcibios_claim_one_bus(struct pci_bus *);
163
164/* ptrace.c */
165extern int ptrace_set_bpt (struct task_struct *child);
166extern int ptrace_cancel_bpt (struct task_struct *child);
167extern void syscall_trace_leave(void);
168extern unsigned long syscall_trace_enter(void);
169
170/* signal.c */
171struct sigcontext;
172extern void do_sigreturn(struct sigcontext __user *);
173struct rt_sigframe;
174extern void do_rt_sigreturn(struct rt_sigframe __user *);
175extern void do_work_pending(struct pt_regs *, unsigned long, unsigned long, unsigned long);
176
177/* traps.c */
178extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15);
179extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *);
180extern void do_entInt(unsigned long, unsigned long, unsigned long, struct pt_regs *);
181extern void do_entArith(unsigned long, unsigned long, struct pt_regs *);
182extern void do_entIF(unsigned long, struct pt_regs *);
183extern void do_entDbg(struct pt_regs *);
184struct allregs;
185extern void do_entUna(void *, unsigned long, unsigned long, struct allregs *);
186extern void do_entUnaUser(void __user *, unsigned long, unsigned long, struct pt_regs *);
187
188/* sys_titan.c */
189extern void titan_dispatch_irqs(u64);
190
191/* ../mm/init.c */
192extern void srm_paging_stop(void);
193
194static inline int
195__alpha_remap_area_pages(unsigned long address, unsigned long phys_addr,
196 unsigned long size, unsigned long flags)
197{
198 pgprot_t prot;
199
200 prot = __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE
201 | _PAGE_KWE | flags);
202 return ioremap_page_range(address, address + size, phys_addr, prot);
203}
204
205/* irq.c */
206
207#ifdef CONFIG_SMP
208#define mcheck_expected(cpu) (cpu_data[cpu].mcheck_expected)
209#define mcheck_taken(cpu) (cpu_data[cpu].mcheck_taken)
210#define mcheck_extra(cpu) (cpu_data[cpu].mcheck_extra)
211#else
212extern struct mcheck_info
213{
214 unsigned char expected __attribute__((aligned(8)));
215 unsigned char taken;
216 unsigned char extra;
217} __mcheck_info;
218
219#define mcheck_expected(cpu) (*((void)(cpu), &__mcheck_info.expected))
220#define mcheck_taken(cpu) (*((void)(cpu), &__mcheck_info.taken))
221#define mcheck_extra(cpu) (*((void)(cpu), &__mcheck_info.extra))
222#endif
223
224extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr,
225 const char *machine, int expected);
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
14struct pt_regs;
15struct task_struct;
16struct pci_dev;
17struct pci_controller;
18
19/* core_apecs.c */
20extern struct pci_ops apecs_pci_ops;
21extern void apecs_init_arch(void);
22extern void apecs_pci_clr_err(void);
23extern void apecs_machine_check(unsigned long vector, unsigned long la_ptr);
24extern void apecs_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
25
26/* core_cia.c */
27extern struct pci_ops cia_pci_ops;
28extern void cia_init_pci(void);
29extern void cia_init_arch(void);
30extern void pyxis_init_arch(void);
31extern void cia_kill_arch(int);
32extern void cia_machine_check(unsigned long vector, unsigned long la_ptr);
33extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
34
35/* core_irongate.c */
36extern struct pci_ops irongate_pci_ops;
37extern int irongate_pci_clr_err(void);
38extern void irongate_init_arch(void);
39#define irongate_pci_tbi ((void *)0)
40
41/* core_lca.c */
42extern struct pci_ops lca_pci_ops;
43extern void lca_init_arch(void);
44extern void lca_machine_check(unsigned long vector, unsigned long la_ptr);
45extern void lca_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
46
47/* core_marvel.c */
48extern struct pci_ops marvel_pci_ops;
49extern void marvel_init_arch(void);
50extern void marvel_kill_arch(int);
51extern void marvel_machine_check(unsigned long, unsigned long);
52extern void marvel_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
53extern int marvel_pa_to_nid(unsigned long);
54extern int marvel_cpuid_to_nid(int);
55extern unsigned long marvel_node_mem_start(int);
56extern unsigned long marvel_node_mem_size(int);
57extern struct _alpha_agp_info *marvel_agp_info(void);
58struct io7 *marvel_find_io7(int pe);
59struct io7 *marvel_next_io7(struct io7 *prev);
60void io7_clear_errors(struct io7 *io7);
61
62/* core_mcpcia.c */
63extern struct pci_ops mcpcia_pci_ops;
64extern void mcpcia_init_arch(void);
65extern void mcpcia_init_hoses(void);
66extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr);
67extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
68
69/* core_polaris.c */
70extern struct pci_ops polaris_pci_ops;
71extern int polaris_read_config_dword(struct pci_dev *, int, u32 *);
72extern int polaris_write_config_dword(struct pci_dev *, int, u32);
73extern void polaris_init_arch(void);
74extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr);
75#define polaris_pci_tbi ((void *)0)
76
77/* core_t2.c */
78extern struct pci_ops t2_pci_ops;
79extern void t2_init_arch(void);
80extern void t2_kill_arch(int);
81extern void t2_machine_check(unsigned long vector, unsigned long la_ptr);
82extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
83
84/* core_titan.c */
85extern struct pci_ops titan_pci_ops;
86extern void titan_init_arch(void);
87extern void titan_kill_arch(int);
88extern void titan_machine_check(unsigned long, unsigned long);
89extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
90extern struct _alpha_agp_info *titan_agp_info(void);
91
92/* core_tsunami.c */
93extern struct pci_ops tsunami_pci_ops;
94extern void tsunami_init_arch(void);
95extern void tsunami_kill_arch(int);
96extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr);
97extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
98
99/* core_wildfire.c */
100extern struct pci_ops wildfire_pci_ops;
101extern void wildfire_init_arch(void);
102extern void wildfire_kill_arch(int);
103extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr);
104extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
105extern int wildfire_pa_to_nid(unsigned long);
106extern int wildfire_cpuid_to_nid(int);
107extern unsigned long wildfire_node_mem_start(int);
108extern unsigned long wildfire_node_mem_size(int);
109
110/* console.c */
111#ifdef CONFIG_VGA_HOSE
112extern void find_console_vga_hose(void);
113extern void locate_and_init_vga(void *(*)(void *, void *));
114#else
115static inline void find_console_vga_hose(void) { }
116static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { }
117#endif
118
119/* setup.c */
120extern unsigned long srm_hae;
121extern int boot_cpuid;
122#ifdef CONFIG_VERBOSE_MCHECK
123extern unsigned long alpha_verbose_mcheck;
124#endif
125
126/* srmcons.c */
127#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM)
128extern void register_srm_console(void);
129extern void unregister_srm_console(void);
130#else
131#define register_srm_console()
132#define unregister_srm_console()
133#endif
134
135/* smp.c */
136extern void setup_smp(void);
137extern void handle_ipi(struct pt_regs *);
138
139/* bios32.c */
140/* extern void reset_for_srm(void); */
141
142/* time.c */
143extern irqreturn_t rtc_timer_interrupt(int irq, void *dev);
144extern void init_clockevent(void);
145extern void common_init_rtc(void);
146extern unsigned long est_cycle_freq;
147
148/* smc37c93x.c */
149extern void SMC93x_Init(void);
150
151/* smc37c669.c */
152extern void SMC669_Init(int);
153
154/* es1888.c */
155extern void es1888_init(void);
156
157/* ../lib/fpreg.c */
158extern void alpha_write_fp_reg (unsigned long reg, unsigned long val);
159extern unsigned long alpha_read_fp_reg (unsigned long reg);
160
161/* head.S */
162extern void wrmces(unsigned long mces);
163extern void cserve_ena(unsigned long);
164extern void cserve_dis(unsigned long);
165extern void __smp_callin(unsigned long);
166
167/* entry.S */
168extern void entArith(void);
169extern void entIF(void);
170extern void entInt(void);
171extern void entMM(void);
172extern void entSys(void);
173extern void entUna(void);
174extern void entDbg(void);
175
176/* ptrace.c */
177extern int ptrace_set_bpt (struct task_struct *child);
178extern int ptrace_cancel_bpt (struct task_struct *child);
179
180/* traps.c */
181extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15);
182extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *);
183
184/* sys_titan.c */
185extern void titan_dispatch_irqs(u64);
186
187/* ../mm/init.c */
188extern void switch_to_system_map(void);
189extern void srm_paging_stop(void);
190
191static inline int
192__alpha_remap_area_pages(unsigned long address, unsigned long phys_addr,
193 unsigned long size, unsigned long flags)
194{
195 pgprot_t prot;
196
197 prot = __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE
198 | _PAGE_KWE | flags);
199 return ioremap_page_range(address, address + size, phys_addr, prot);
200}
201
202/* irq.c */
203
204#ifdef CONFIG_SMP
205#define mcheck_expected(cpu) (cpu_data[cpu].mcheck_expected)
206#define mcheck_taken(cpu) (cpu_data[cpu].mcheck_taken)
207#define mcheck_extra(cpu) (cpu_data[cpu].mcheck_extra)
208#else
209extern struct mcheck_info
210{
211 unsigned char expected __attribute__((aligned(8)));
212 unsigned char taken;
213 unsigned char extra;
214} __mcheck_info;
215
216#define mcheck_expected(cpu) (*((void)(cpu), &__mcheck_info.expected))
217#define mcheck_taken(cpu) (*((void)(cpu), &__mcheck_info.taken))
218#define mcheck_extra(cpu) (*((void)(cpu), &__mcheck_info.extra))
219#endif
220
221extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr,
222 const char *machine, int expected);