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 15 struct pt_regs; 16 struct task_struct; 17 struct pci_dev; 18 struct pci_controller; 19 struct pci_bus; 20 21 /* core_cia.c */ 22 extern struct pci_ops cia_pci_ops; 23 extern void cia_init_pci(void); 24 extern void cia_init_arch(void); 25 extern void pyxis_init_arch(void); 26 extern void cia_kill_arch(int); 27 extern void cia_machine_check(unsigned long vector, unsigned long la_ptr); 28 extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 29 30 /* core_irongate.c */ 31 extern struct pci_ops irongate_pci_ops; 32 extern int irongate_pci_clr_err(void); 33 extern void irongate_init_arch(void); 34 #define irongate_pci_tbi ((void *)0) 35 36 /* core_marvel.c */ 37 extern struct pci_ops marvel_pci_ops; 38 extern void marvel_init_arch(void); 39 extern void marvel_kill_arch(int); 40 extern void marvel_machine_check(unsigned long, unsigned long); 41 extern void marvel_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 42 extern struct _alpha_agp_info *marvel_agp_info(void); 43 struct io7 *marvel_find_io7(int pe); 44 struct io7 *marvel_next_io7(struct io7 *prev); 45 void io7_clear_errors(struct io7 *io7); 46 47 /* core_mcpcia.c */ 48 extern struct pci_ops mcpcia_pci_ops; 49 extern void mcpcia_init_arch(void); 50 extern void mcpcia_init_hoses(void); 51 extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr); 52 extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 53 54 /* core_polaris.c */ 55 extern struct pci_ops polaris_pci_ops; 56 extern int polaris_read_config_dword(struct pci_dev *, int, u32 *); 57 extern int polaris_write_config_dword(struct pci_dev *, int, u32); 58 extern void polaris_init_arch(void); 59 extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr); 60 #define polaris_pci_tbi ((void *)0) 61 62 /* core_t2.c */ 63 extern struct pci_ops t2_pci_ops; 64 extern void t2_init_arch(void); 65 extern void t2_kill_arch(int); 66 extern void t2_machine_check(unsigned long vector, unsigned long la_ptr); 67 extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 68 69 /* core_titan.c */ 70 extern struct pci_ops titan_pci_ops; 71 extern void titan_init_arch(void); 72 extern void titan_kill_arch(int); 73 extern void titan_machine_check(unsigned long, unsigned long); 74 extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 75 extern struct _alpha_agp_info *titan_agp_info(void); 76 77 /* core_tsunami.c */ 78 extern struct pci_ops tsunami_pci_ops; 79 extern void tsunami_init_arch(void); 80 extern void tsunami_kill_arch(int); 81 extern void tsunami_check_console_data_log(void); 82 extern void clipper_machine_check(unsigned long vector, unsigned long la_ptr); 83 extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr); 84 extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 85 86 /* core_wildfire.c */ 87 extern struct pci_ops wildfire_pci_ops; 88 extern void wildfire_init_arch(void); 89 extern void wildfire_kill_arch(int); 90 extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr); 91 extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 92 93 /* console.c */ 94 #ifdef CONFIG_VGA_HOSE 95 extern void find_console_vga_hose(void); 96 extern void locate_and_init_vga(void *(*)(void *, void *)); 97 #else 98 static inline void find_console_vga_hose(void) { } 99 static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { } 100 #endif 101 102 /* setup.c */ 103 extern unsigned long srm_hae; 104 extern int boot_cpuid; 105 #ifdef CONFIG_VERBOSE_MCHECK 106 extern unsigned long alpha_verbose_mcheck; 107 #endif 108 #ifdef CONFIG_BLK_DEV_INITRD 109 extern void * __init move_initrd(unsigned long); 110 #endif 111 extern struct screen_info vgacon_screen_info; 112 113 /* srmcons.c */ 114 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM) 115 extern void register_srm_console(void); 116 extern void unregister_srm_console(void); 117 #else 118 #define register_srm_console() 119 #define unregister_srm_console() 120 #endif 121 122 /* smp.c */ 123 extern void setup_smp(void); 124 extern void handle_ipi(struct pt_regs *); 125 extern void __init smp_callin(void); 126 127 /* bios32.c */ 128 /* extern void reset_for_srm(void); */ 129 130 /* time.c */ 131 extern irqreturn_t rtc_timer_interrupt(int irq, void *dev); 132 extern void init_clockevent(void); 133 extern void common_init_rtc(void); 134 extern unsigned long est_cycle_freq; 135 136 /* smc37c93x.c */ 137 extern int __init SMC93x_Init(void); 138 139 /* smc37c669.c */ 140 extern void __init SMC669_Init(int); 141 142 /* es1888.c */ 143 extern void __init es1888_init(void); 144 145 /* ../lib/fpreg.c */ 146 extern void alpha_write_fp_reg (unsigned long reg, unsigned long val); 147 extern unsigned long alpha_read_fp_reg (unsigned long reg); 148 149 /* head.S */ 150 extern void wrmces(unsigned long mces); 151 extern void cserve_ena(unsigned long); 152 extern void cserve_dis(unsigned long); 153 extern void __smp_callin(unsigned long); 154 155 /* entry.S */ 156 extern void entArith(void); 157 extern void entIF(void); 158 extern void entInt(void); 159 extern void entMM(void); 160 extern void entSys(void); 161 extern void entUna(void); 162 extern void entDbg(void); 163 164 /* pci.c */ 165 extern void pcibios_claim_one_bus(struct pci_bus *); 166 167 /* ptrace.c */ 168 extern int ptrace_set_bpt (struct task_struct *child); 169 extern int ptrace_cancel_bpt (struct task_struct *child); 170 171 /* signal.c */ 172 struct sigcontext; 173 extern void do_sigreturn(struct sigcontext __user *); 174 struct rt_sigframe; 175 extern void do_rt_sigreturn(struct rt_sigframe __user *); 176 extern void alpha_schedule_user_work(void); 177 extern void do_signal(struct pt_regs *regs, unsigned long r0, unsigned long r19); 178 extern void alpha_syscall_exit_to_user_mode(struct pt_regs *regs); 179 extern void alpha_exit_to_user_mode(struct pt_regs *regs); 180 extern void alpha_finish_syscall_to_user_mode(struct pt_regs *regs, long ret); 181 extern unsigned long alpha_syscall_enter_select(struct pt_regs *regs, long syscall); 182 183 /* traps.c */ 184 extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15); 185 extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *); 186 extern void do_entInt(unsigned long, unsigned long, unsigned long, struct pt_regs *); 187 extern void do_entArith(unsigned long, unsigned long, struct pt_regs *); 188 extern void do_entIF(unsigned long, struct pt_regs *); 189 extern void do_entDbg(struct pt_regs *); 190 struct allregs; 191 extern void do_entUna(void *, unsigned long, unsigned long, struct allregs *); 192 extern void do_entUnaUser(void __user *, unsigned long, unsigned long, struct pt_regs *); 193 194 /* irq_alpha.c */ 195 extern void notrace lockdep_on_restore(unsigned long ps, unsigned long ip); 196 197 /* sys_titan.c */ 198 extern void titan_dispatch_irqs(u64); 199 200 /* ../mm/init.c */ 201 extern void srm_paging_stop(void); 202 203 static 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 221 extern 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 232 233 extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr, 234 const char *machine, int expected); 235