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 struct _alpha_agp_info *marvel_agp_info(void); 53 struct io7 *marvel_find_io7(int pe); 54 struct io7 *marvel_next_io7(struct io7 *prev); 55 void io7_clear_errors(struct io7 *io7); 56 57 /* core_mcpcia.c */ 58 extern struct pci_ops mcpcia_pci_ops; 59 extern void mcpcia_init_arch(void); 60 extern void mcpcia_init_hoses(void); 61 extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr); 62 extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 63 64 /* core_polaris.c */ 65 extern struct pci_ops polaris_pci_ops; 66 extern int polaris_read_config_dword(struct pci_dev *, int, u32 *); 67 extern int polaris_write_config_dword(struct pci_dev *, int, u32); 68 extern void polaris_init_arch(void); 69 extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr); 70 #define polaris_pci_tbi ((void *)0) 71 72 /* core_t2.c */ 73 extern struct pci_ops t2_pci_ops; 74 extern void t2_init_arch(void); 75 extern void t2_kill_arch(int); 76 extern void t2_machine_check(unsigned long vector, unsigned long la_ptr); 77 extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 78 79 /* core_titan.c */ 80 extern struct pci_ops titan_pci_ops; 81 extern void titan_init_arch(void); 82 extern void titan_kill_arch(int); 83 extern void titan_machine_check(unsigned long, unsigned long); 84 extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 85 extern struct _alpha_agp_info *titan_agp_info(void); 86 87 /* core_tsunami.c */ 88 extern struct pci_ops tsunami_pci_ops; 89 extern void tsunami_init_arch(void); 90 extern void tsunami_kill_arch(int); 91 extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr); 92 extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 93 94 /* core_wildfire.c */ 95 extern struct pci_ops wildfire_pci_ops; 96 extern void wildfire_init_arch(void); 97 extern void wildfire_kill_arch(int); 98 extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr); 99 extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 100 101 /* console.c */ 102 #ifdef CONFIG_VGA_HOSE 103 extern void find_console_vga_hose(void); 104 extern void locate_and_init_vga(void *(*)(void *, void *)); 105 #else 106 static inline void find_console_vga_hose(void) { } 107 static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { } 108 #endif 109 110 /* setup.c */ 111 extern unsigned long srm_hae; 112 extern int boot_cpuid; 113 #ifdef CONFIG_VERBOSE_MCHECK 114 extern unsigned long alpha_verbose_mcheck; 115 #endif 116 117 /* srmcons.c */ 118 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM) 119 extern void register_srm_console(void); 120 extern void unregister_srm_console(void); 121 #else 122 #define register_srm_console() 123 #define unregister_srm_console() 124 #endif 125 126 /* smp.c */ 127 extern void setup_smp(void); 128 extern void handle_ipi(struct pt_regs *); 129 130 /* bios32.c */ 131 /* extern void reset_for_srm(void); */ 132 133 /* time.c */ 134 extern irqreturn_t rtc_timer_interrupt(int irq, void *dev); 135 extern void init_clockevent(void); 136 extern void common_init_rtc(void); 137 extern unsigned long est_cycle_freq; 138 139 /* smc37c93x.c */ 140 extern void SMC93x_Init(void); 141 142 /* smc37c669.c */ 143 extern void SMC669_Init(int); 144 145 /* es1888.c */ 146 extern void es1888_init(void); 147 148 /* ../lib/fpreg.c */ 149 extern void alpha_write_fp_reg (unsigned long reg, unsigned long val); 150 extern unsigned long alpha_read_fp_reg (unsigned long reg); 151 152 /* head.S */ 153 extern void wrmces(unsigned long mces); 154 extern void cserve_ena(unsigned long); 155 extern void cserve_dis(unsigned long); 156 extern void __smp_callin(unsigned long); 157 158 /* entry.S */ 159 extern void entArith(void); 160 extern void entIF(void); 161 extern void entInt(void); 162 extern void entMM(void); 163 extern void entSys(void); 164 extern void entUna(void); 165 extern void entDbg(void); 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 /* traps.c */ 172 extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15); 173 extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *); 174 175 /* sys_titan.c */ 176 extern void titan_dispatch_irqs(u64); 177 178 /* ../mm/init.c */ 179 extern void switch_to_system_map(void); 180 extern void srm_paging_stop(void); 181 182 static inline int 183 __alpha_remap_area_pages(unsigned long address, unsigned long phys_addr, 184 unsigned long size, unsigned long flags) 185 { 186 pgprot_t prot; 187 188 prot = __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE 189 | _PAGE_KWE | flags); 190 return ioremap_page_range(address, address + size, phys_addr, prot); 191 } 192 193 /* irq.c */ 194 195 #ifdef CONFIG_SMP 196 #define mcheck_expected(cpu) (cpu_data[cpu].mcheck_expected) 197 #define mcheck_taken(cpu) (cpu_data[cpu].mcheck_taken) 198 #define mcheck_extra(cpu) (cpu_data[cpu].mcheck_extra) 199 #else 200 extern struct mcheck_info 201 { 202 unsigned char expected __attribute__((aligned(8))); 203 unsigned char taken; 204 unsigned char extra; 205 } __mcheck_info; 206 207 #define mcheck_expected(cpu) (*((void)(cpu), &__mcheck_info.expected)) 208 #define mcheck_taken(cpu) (*((void)(cpu), &__mcheck_info.taken)) 209 #define mcheck_extra(cpu) (*((void)(cpu), &__mcheck_info.extra)) 210 #endif 211 212 extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr, 213 const char *machine, int expected); 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