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 14struct pt_regs; 15struct task_struct; 16struct pci_dev; 17struct pci_controller; 18 19/* core_apecs.c */ 20extern struct pci_ops apecs_pci_ops; 21extern void apecs_init_arch(void); 22extern void apecs_pci_clr_err(void); 23extern void apecs_machine_check(unsigned long vector, unsigned long la_ptr); 24extern void apecs_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 25 26/* core_cia.c */ 27extern struct pci_ops cia_pci_ops; 28extern void cia_init_pci(void); 29extern void cia_init_arch(void); 30extern void pyxis_init_arch(void); 31extern void cia_kill_arch(int); 32extern void cia_machine_check(unsigned long vector, unsigned long la_ptr); 33extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 34 35/* core_irongate.c */ 36extern struct pci_ops irongate_pci_ops; 37extern int irongate_pci_clr_err(void); 38extern void irongate_init_arch(void); 39#define irongate_pci_tbi ((void *)0) 40 41/* core_lca.c */ 42extern struct pci_ops lca_pci_ops; 43extern void lca_init_arch(void); 44extern void lca_machine_check(unsigned long vector, unsigned long la_ptr); 45extern void lca_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 46 47/* core_marvel.c */ 48extern struct pci_ops marvel_pci_ops; 49extern void marvel_init_arch(void); 50extern void marvel_kill_arch(int); 51extern void marvel_machine_check(unsigned long, unsigned long); 52extern void marvel_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 53extern struct _alpha_agp_info *marvel_agp_info(void); 54struct io7 *marvel_find_io7(int pe); 55struct io7 *marvel_next_io7(struct io7 *prev); 56void io7_clear_errors(struct io7 *io7); 57 58/* core_mcpcia.c */ 59extern struct pci_ops mcpcia_pci_ops; 60extern void mcpcia_init_arch(void); 61extern void mcpcia_init_hoses(void); 62extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr); 63extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 64 65/* core_polaris.c */ 66extern struct pci_ops polaris_pci_ops; 67extern int polaris_read_config_dword(struct pci_dev *, int, u32 *); 68extern int polaris_write_config_dword(struct pci_dev *, int, u32); 69extern void polaris_init_arch(void); 70extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr); 71#define polaris_pci_tbi ((void *)0) 72 73/* core_t2.c */ 74extern struct pci_ops t2_pci_ops; 75extern void t2_init_arch(void); 76extern void t2_kill_arch(int); 77extern void t2_machine_check(unsigned long vector, unsigned long la_ptr); 78extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 79 80/* core_titan.c */ 81extern struct pci_ops titan_pci_ops; 82extern void titan_init_arch(void); 83extern void titan_kill_arch(int); 84extern void titan_machine_check(unsigned long, unsigned long); 85extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 86extern struct _alpha_agp_info *titan_agp_info(void); 87 88/* core_tsunami.c */ 89extern struct pci_ops tsunami_pci_ops; 90extern void tsunami_init_arch(void); 91extern void tsunami_kill_arch(int); 92extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr); 93extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 94 95/* core_wildfire.c */ 96extern struct pci_ops wildfire_pci_ops; 97extern void wildfire_init_arch(void); 98extern void wildfire_kill_arch(int); 99extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr); 100extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); 101 102/* console.c */ 103#ifdef CONFIG_VGA_HOSE 104extern void find_console_vga_hose(void); 105extern void locate_and_init_vga(void *(*)(void *, void *)); 106#else 107static inline void find_console_vga_hose(void) { } 108static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { } 109#endif 110 111/* setup.c */ 112extern unsigned long srm_hae; 113extern int boot_cpuid; 114#ifdef CONFIG_VERBOSE_MCHECK 115extern unsigned long alpha_verbose_mcheck; 116#endif 117extern struct screen_info vgacon_screen_info; 118 119/* srmcons.c */ 120#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM) 121extern void register_srm_console(void); 122extern void unregister_srm_console(void); 123#else 124#define register_srm_console() 125#define unregister_srm_console() 126#endif 127 128/* smp.c */ 129extern void setup_smp(void); 130extern void handle_ipi(struct pt_regs *); 131 132/* bios32.c */ 133/* extern void reset_for_srm(void); */ 134 135/* time.c */ 136extern irqreturn_t rtc_timer_interrupt(int irq, void *dev); 137extern void init_clockevent(void); 138extern void common_init_rtc(void); 139extern unsigned long est_cycle_freq; 140 141/* smc37c93x.c */ 142extern void SMC93x_Init(void); 143 144/* smc37c669.c */ 145extern void SMC669_Init(int); 146 147/* es1888.c */ 148extern void es1888_init(void); 149 150/* ../lib/fpreg.c */ 151extern void alpha_write_fp_reg (unsigned long reg, unsigned long val); 152extern unsigned long alpha_read_fp_reg (unsigned long reg); 153 154/* head.S */ 155extern void wrmces(unsigned long mces); 156extern void cserve_ena(unsigned long); 157extern void cserve_dis(unsigned long); 158extern void __smp_callin(unsigned long); 159 160/* entry.S */ 161extern void entArith(void); 162extern void entIF(void); 163extern void entInt(void); 164extern void entMM(void); 165extern void entSys(void); 166extern void entUna(void); 167extern void entDbg(void); 168 169/* ptrace.c */ 170extern int ptrace_set_bpt (struct task_struct *child); 171extern int ptrace_cancel_bpt (struct task_struct *child); 172 173/* traps.c */ 174extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15); 175extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *); 176 177/* sys_titan.c */ 178extern void titan_dispatch_irqs(u64); 179 180/* ../mm/init.c */ 181extern void switch_to_system_map(void); 182extern void srm_paging_stop(void); 183 184static 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 202extern 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 214extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr, 215 const char *machine, int expected); 216