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