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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#include <asm/ptrace.h>
6
7/* Prototypes of functions used across modules here in this directory. */
8
9#define vucp volatile unsigned char *
10#define vusp volatile unsigned short *
11#define vip volatile int *
12#define vuip volatile unsigned int *
13#define vulp volatile unsigned long *
14
15struct pt_regs;
16struct task_struct;
17struct pci_dev;
18struct pci_controller;
19struct pci_bus;
20
21/* core_cia.c */
22extern struct pci_ops cia_pci_ops;
23extern void cia_init_pci(void);
24extern void cia_init_arch(void);
25extern void pyxis_init_arch(void);
26extern void cia_kill_arch(int);
27extern void cia_machine_check(unsigned long vector, unsigned long la_ptr);
28extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
29
30/* core_irongate.c */
31extern struct pci_ops irongate_pci_ops;
32extern int irongate_pci_clr_err(void);
33extern void irongate_init_arch(void);
34#define irongate_pci_tbi ((void *)0)
35
36/* core_marvel.c */
37extern struct pci_ops marvel_pci_ops;
38extern void marvel_init_arch(void);
39extern void marvel_kill_arch(int);
40extern void marvel_machine_check(unsigned long, unsigned long);
41extern void marvel_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
42extern struct _alpha_agp_info *marvel_agp_info(void);
43struct io7 *marvel_find_io7(int pe);
44struct io7 *marvel_next_io7(struct io7 *prev);
45void io7_clear_errors(struct io7 *io7);
46
47/* core_mcpcia.c */
48extern struct pci_ops mcpcia_pci_ops;
49extern void mcpcia_init_arch(void);
50extern void mcpcia_init_hoses(void);
51extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr);
52extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
53
54/* core_polaris.c */
55extern struct pci_ops polaris_pci_ops;
56extern int polaris_read_config_dword(struct pci_dev *, int, u32 *);
57extern int polaris_write_config_dword(struct pci_dev *, int, u32);
58extern void polaris_init_arch(void);
59extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr);
60#define polaris_pci_tbi ((void *)0)
61
62/* core_t2.c */
63extern struct pci_ops t2_pci_ops;
64extern void t2_init_arch(void);
65extern void t2_kill_arch(int);
66extern void t2_machine_check(unsigned long vector, unsigned long la_ptr);
67extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
68
69/* core_titan.c */
70extern struct pci_ops titan_pci_ops;
71extern void titan_init_arch(void);
72extern void titan_kill_arch(int);
73extern void titan_machine_check(unsigned long, unsigned long);
74extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
75extern struct _alpha_agp_info *titan_agp_info(void);
76
77/* core_tsunami.c */
78extern struct pci_ops tsunami_pci_ops;
79extern void tsunami_init_arch(void);
80extern void tsunami_kill_arch(int);
81extern void tsunami_check_console_data_log(void);
82extern void clipper_machine_check(unsigned long vector, unsigned long la_ptr);
83extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr);
84extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
85
86/* core_wildfire.c */
87extern struct pci_ops wildfire_pci_ops;
88extern void wildfire_init_arch(void);
89extern void wildfire_kill_arch(int);
90extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr);
91extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
92
93/* console.c */
94#ifdef CONFIG_VGA_HOSE
95extern void find_console_vga_hose(void);
96extern void locate_and_init_vga(void *(*)(void *, void *));
97#else
98static inline void find_console_vga_hose(void) { }
99static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { }
100#endif
101
102/* setup.c */
103extern unsigned long srm_hae;
104extern int boot_cpuid;
105#ifdef CONFIG_VERBOSE_MCHECK
106extern unsigned long alpha_verbose_mcheck;
107#endif
108#ifdef CONFIG_BLK_DEV_INITRD
109extern void * __init move_initrd(unsigned long);
110#endif
111extern struct screen_info vgacon_screen_info;
112
113/* srmcons.c */
114#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM)
115extern void register_srm_console(void);
116extern void unregister_srm_console(void);
117#else
118#define register_srm_console()
119#define unregister_srm_console()
120#endif
121
122/* smp.c */
123extern void setup_smp(void);
124extern void handle_ipi(struct pt_regs *);
125extern void __init smp_callin(void);
126
127/* bios32.c */
128/* extern void reset_for_srm(void); */
129
130/* time.c */
131extern irqreturn_t rtc_timer_interrupt(int irq, void *dev);
132extern void init_clockevent(void);
133extern void common_init_rtc(void);
134extern unsigned long est_cycle_freq;
135
136/* smc37c93x.c */
137extern int __init SMC93x_Init(void);
138
139/* smc37c669.c */
140extern void __init SMC669_Init(int);
141
142/* es1888.c */
143extern void __init es1888_init(void);
144
145/* ../lib/fpreg.c */
146extern void alpha_write_fp_reg (unsigned long reg, unsigned long val);
147extern unsigned long alpha_read_fp_reg (unsigned long reg);
148
149/* head.S */
150extern void wrmces(unsigned long mces);
151extern void cserve_ena(unsigned long);
152extern void cserve_dis(unsigned long);
153extern void __smp_callin(unsigned long);
154
155/* entry.S */
156extern void entArith(void);
157extern void entIF(void);
158extern void entInt(void);
159extern void entMM(void);
160extern void entSys(void);
161extern void entUna(void);
162extern void entDbg(void);
163
164/* pci.c */
165extern void pcibios_claim_one_bus(struct pci_bus *);
166
167/* ptrace.c */
168extern int ptrace_set_bpt (struct task_struct *child);
169extern int ptrace_cancel_bpt (struct task_struct *child);
170
171/* signal.c */
172struct sigcontext;
173extern void do_sigreturn(struct sigcontext __user *);
174struct rt_sigframe;
175extern void do_rt_sigreturn(struct rt_sigframe __user *);
176extern void alpha_schedule_user_work(void);
177extern void do_signal(struct pt_regs *regs, unsigned long r0, unsigned long r19);
178extern void alpha_syscall_exit_to_user_mode(struct pt_regs *regs);
179extern void alpha_exit_to_user_mode(struct pt_regs *regs);
180extern void alpha_finish_syscall_to_user_mode(struct pt_regs *regs, long ret);
181extern unsigned long alpha_syscall_enter_select(struct pt_regs *regs, long syscall);
182
183/* traps.c */
184extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15);
185extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *);
186extern void do_entInt(unsigned long, unsigned long, unsigned long, struct pt_regs *);
187extern void do_entArith(unsigned long, unsigned long, struct pt_regs *);
188extern void do_entIF(unsigned long, struct pt_regs *);
189extern void do_entDbg(struct pt_regs *);
190struct allregs;
191extern void do_entUna(void *, unsigned long, unsigned long, struct allregs *);
192extern void do_entUnaUser(void __user *, unsigned long, unsigned long, struct pt_regs *);
193
194/* irq_alpha.c */
195extern void notrace lockdep_on_restore(unsigned long ps, unsigned long ip);
196
197/* sys_titan.c */
198extern void titan_dispatch_irqs(u64);
199
200/* ../mm/init.c */
201extern void srm_paging_stop(void);
202
203static inline int
204__alpha_remap_area_pages(unsigned long address, unsigned long phys_addr,
205 unsigned long size, unsigned long flags)
206{
207 pgprot_t prot;
208
209 prot = __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE
210 | _PAGE_KWE | flags);
211 return ioremap_page_range(address, address + size, phys_addr, prot);
212}
213
214/* irq.c */
215
216#ifdef CONFIG_SMP
217#define mcheck_expected(cpu) (cpu_data[cpu].mcheck_expected)
218#define mcheck_taken(cpu) (cpu_data[cpu].mcheck_taken)
219#define mcheck_extra(cpu) (cpu_data[cpu].mcheck_extra)
220#else
221extern struct mcheck_info
222{
223 unsigned char expected __attribute__((aligned(8)));
224 unsigned char taken;
225 unsigned char extra;
226} __mcheck_info;
227
228#define mcheck_expected(cpu) (*((void)(cpu), &__mcheck_info.expected))
229#define mcheck_taken(cpu) (*((void)(cpu), &__mcheck_info.taken))
230#define mcheck_extra(cpu) (*((void)(cpu), &__mcheck_info.extra))
231#endif
232
233extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr,
234 const char *machine, int expected);