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 int serial_console; 21 static inline int con_is_present(void) 22 { 23 return serial_console ? 0 : 1; 24 } 25 26 /* from irq_32.c */ 27 extern volatile unsigned char *fdc_status; 28 extern char *pdma_vaddr; 29 extern unsigned long pdma_size; 30 extern volatile int doing_pdma; 31 32 /* This is software state */ 33 extern char *pdma_base; 34 extern unsigned long pdma_areasize; 35 36 int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler); 37 38 /* setup_32.c */ 39 extern unsigned long cmdline_memory_size; 40 41 /* devices.c */ 42 void __init device_scan(void); 43 44 /* unaligned_32.c */ 45 unsigned long safe_compute_effective_address(struct pt_regs *, unsigned int); 46 47 #endif 48 49 #ifdef CONFIG_SPARC64 50 void __init start_early_boot(void); 51 52 /* unaligned_64.c */ 53 int handle_ldf_stq(u32 insn, struct pt_regs *regs); 54 void handle_ld_nf(u32 insn, struct pt_regs *regs); 55 56 /* init_64.c */ 57 extern atomic_t dcpage_flushes; 58 extern atomic_t dcpage_flushes_xcall; 59 60 extern int sysctl_tsb_ratio; 61 62 #ifdef CONFIG_SERIAL_SUNHV 63 void sunhv_migrate_hvcons_irq(int cpu); 64 #endif 65 #endif 66 void sun_do_break(void); 67 extern int stop_a_enabled; 68 extern int scons_pwroff; 69 70 #endif /* _SPARC_SETUP_H */ 71