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 int marvel_pa_to_nid(unsigned long); 53 extern int marvel_cpuid_to_nid(int); 54 extern unsigned long marvel_node_mem_start(int); 55 extern unsigned long marvel_node_mem_size(int); 56 extern struct _alpha_agp_info *marvel_agp_info(void); 57 struct io7 *marvel_find_io7(int pe); 58 struct io7 *marvel_next_io7(struct io7 *prev); 59 void io7_clear_errors(struct io7 *io7); 60 61 /* core_mcpcia.c */ 62 extern struct pci_ops mcpcia_pci_ops; 63 extern void mcpcia_init_arch(void); 64 extern void mcpcia_init_hoses(void); 65 extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr); 66 extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 67 68 /* core_polaris.c */ 69 extern struct pci_ops polaris_pci_ops; 70 extern int polaris_read_config_dword(struct pci_dev *, int, u32 *); 71 extern int polaris_write_config_dword(struct pci_dev *, int, u32); 72 extern void polaris_init_arch(void); 73 extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr); 74 #define polaris_pci_tbi ((void *)0) 75 76 /* core_t2.c */ 77 extern struct pci_ops t2_pci_ops; 78 extern void t2_init_arch(void); 79 extern void t2_kill_arch(int); 80 extern void t2_machine_check(unsigned long vector, unsigned long la_ptr); 81 extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 82 83 /* core_titan.c */ 84 extern struct pci_ops titan_pci_ops; 85 extern void titan_init_arch(void); 86 extern void titan_kill_arch(int); 87 extern void titan_machine_check(unsigned long, unsigned long); 88 extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 89 extern struct _alpha_agp_info *titan_agp_info(void); 90 91 /* core_tsunami.c */ 92 extern struct pci_ops tsunami_pci_ops; 93 extern void tsunami_init_arch(void); 94 extern void tsunami_kill_arch(int); 95 extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr); 96 extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 97 98 /* core_wildfire.c */ 99 extern struct pci_ops wildfire_pci_ops; 100 extern void wildfire_init_arch(void); 101 extern void wildfire_kill_arch(int); 102 extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr); 103 extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 104 extern int wildfire_pa_to_nid(unsigned long); 105 extern int wildfire_cpuid_to_nid(int); 106 extern unsigned long wildfire_node_mem_start(int); 107 extern unsigned long wildfire_node_mem_size(int); 108 109 /* console.c */ 110 #ifdef CONFIG_VGA_HOSE 111 extern void find_console_vga_hose(void); 112 extern void locate_and_init_vga(void *(*)(void *, void *)); 113 #else 114 static inline void find_console_vga_hose(void) { } 115 static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { } 116 #endif 117 118 /* setup.c */ 119 extern unsigned long srm_hae; 120 extern int boot_cpuid; 121 #ifdef CONFIG_VERBOSE_MCHECK 122 extern unsigned long alpha_verbose_mcheck; 123 #endif 124 125 /* srmcons.c */ 126 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM) 127 extern void register_srm_console(void); 128 extern void unregister_srm_console(void); 129 #else 130 #define register_srm_console() 131 #define unregister_srm_console() 132 #endif 133 134 /* smp.c */ 135 extern void setup_smp(void); 136 extern void handle_ipi(struct pt_regs *); 137 138 /* bios32.c */ 139 /* extern void reset_for_srm(void); */ 140 141 /* time.c */ 142 extern irqreturn_t rtc_timer_interrupt(int irq, void *dev); 143 extern void init_clockevent(void); 144 extern void common_init_rtc(void); 145 extern unsigned long est_cycle_freq; 146 147 /* smc37c93x.c */ 148 extern void SMC93x_Init(void); 149 150 /* smc37c669.c */ 151 extern void SMC669_Init(int); 152 153 /* es1888.c */ 154 extern void es1888_init(void); 155 156 /* ../lib/fpreg.c */ 157 extern void alpha_write_fp_reg (unsigned long reg, unsigned long val); 158 extern unsigned long alpha_read_fp_reg (unsigned long reg); 159 160 /* head.S */ 161 extern void wrmces(unsigned long mces); 162 extern void cserve_ena(unsigned long); 163 extern void cserve_dis(unsigned long); 164 extern void __smp_callin(unsigned long); 165 166 /* entry.S */ 167 extern void entArith(void); 168 extern void entIF(void); 169 extern void entInt(void); 170 extern void entMM(void); 171 extern void entSys(void); 172 extern void entUna(void); 173 extern void entDbg(void); 174 175 /* ptrace.c */ 176 extern int ptrace_set_bpt (struct task_struct *child); 177 extern int ptrace_cancel_bpt (struct task_struct *child); 178 179 /* traps.c */ 180 extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15); 181 extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *); 182 183 /* sys_titan.c */ 184 extern void titan_dispatch_irqs(u64); 185 186 /* ../mm/init.c */ 187 extern void switch_to_system_map(void); 188 extern void srm_paging_stop(void); 189 190 static inline int 191 __alpha_remap_area_pages(unsigned long address, unsigned long phys_addr, 192 unsigned long size, unsigned long flags) 193 { 194 pgprot_t prot; 195 196 prot = __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE 197 | _PAGE_KWE | flags); 198 return ioremap_page_range(address, address + size, phys_addr, prot); 199 } 200 201 /* irq.c */ 202 203 #ifdef CONFIG_SMP 204 #define mcheck_expected(cpu) (cpu_data[cpu].mcheck_expected) 205 #define mcheck_taken(cpu) (cpu_data[cpu].mcheck_taken) 206 #define mcheck_extra(cpu) (cpu_data[cpu].mcheck_extra) 207 #else 208 extern struct mcheck_info 209 { 210 unsigned char expected __attribute__((aligned(8))); 211 unsigned char taken; 212 unsigned char extra; 213 } __mcheck_info; 214 215 #define mcheck_expected(cpu) (*((void)(cpu), &__mcheck_info.expected)) 216 #define mcheck_taken(cpu) (*((void)(cpu), &__mcheck_info.taken)) 217 #define mcheck_extra(cpu) (*((void)(cpu), &__mcheck_info.extra)) 218 #endif 219 220 extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr, 221 const char *machine, int expected); 222