arch/sparc/include/asm/setup.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  *      Just a place holder.
   4  */
   5 #ifndef _SPARC_SETUP_H
   6 #define _SPARC_SETUP_H
   7
   8 #include <linux/interrupt.h>
   9
  10 #include <uapi/asm/setup.h>
  11
  12 extern char reboot_command[];
  13
  14 #ifdef CONFIG_SPARC32
  15 /* The CPU that was used for booting
  16  * Only sun4d + leon may have boot_cpu_id != 0
  17  */
  18 extern unsigned char boot_cpu_id;
  19
  20 extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
  21
  22 extern int serial_console;
  23 static inline int con_is_present(void)
  24 {
  25         return serial_console ? 0 : 1;
  26 }
  27
  28 /* from irq_32.c */
  29 extern volatile unsigned char *fdc_status;
  30 extern char *pdma_vaddr;
  31 extern unsigned long pdma_size;
  32 extern volatile int doing_pdma;
  33
  34 /* This is software state */
  35 extern char *pdma_base;
  36 extern unsigned long pdma_areasize;
  37
  38 int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler);
  39
  40 /* setup_32.c */
  41 extern unsigned long cmdline_memory_size;
  42
  43 /* devices.c */
  44 void __init device_scan(void);
  45
  46 /* unaligned_32.c */
  47 unsigned long safe_compute_effective_address(struct pt_regs *, unsigned int);
  48
  49 #endif
  50
  51 #ifdef CONFIG_SPARC64
  52 void __init start_early_boot(void);
  53
  54 /* unaligned_64.c */
  55 int handle_ldf_stq(u32 insn, struct pt_regs *regs);
  56 void handle_ld_nf(u32 insn, struct pt_regs *regs);
  57
  58 /* init_64.c */
  59 extern atomic_t dcpage_flushes;
  60 extern atomic_t dcpage_flushes_xcall;
  61
  62 extern int sysctl_tsb_ratio;
  63
  64 #ifdef CONFIG_SERIAL_SUNHV
  65 void sunhv_migrate_hvcons_irq(int cpu);
  66 #endif
  67 #endif
  68 void sun_do_break(void);
  69 extern int stop_a_enabled;
  70 extern int scons_pwroff;
  71
  72 #endif /* _SPARC_SETUP_H */