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