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 12extern 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 */ 18extern unsigned char boot_cpu_id; 19 20extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]; 21 22extern int serial_console; 23static inline int con_is_present(void) 24{ 25 return serial_console ? 0 : 1; 26} 27 28/* from irq_32.c */ 29extern volatile unsigned char *fdc_status; 30extern char *pdma_vaddr; 31extern unsigned long pdma_size; 32extern volatile int doing_pdma; 33 34/* This is software state */ 35extern char *pdma_base; 36extern unsigned long pdma_areasize; 37 38int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler); 39 40/* setup_32.c */ 41extern unsigned long cmdline_memory_size; 42 43/* devices.c */ 44void __init device_scan(void); 45 46/* unaligned_32.c */ 47unsigned long safe_compute_effective_address(struct pt_regs *, unsigned int); 48 49#endif 50 51#ifdef CONFIG_SPARC64 52void __init start_early_boot(void); 53 54/* unaligned_64.c */ 55int handle_ldf_stq(u32 insn, struct pt_regs *regs); 56void handle_ld_nf(u32 insn, struct pt_regs *regs); 57 58/* init_64.c */ 59extern atomic_t dcpage_flushes; 60extern atomic_t dcpage_flushes_xcall; 61 62extern int sysctl_tsb_ratio; 63 64#ifdef CONFIG_SERIAL_SUNHV 65void sunhv_migrate_hvcons_irq(int cpu); 66#endif 67#endif 68void sun_do_break(void); 69extern int stop_a_enabled; 70extern int scons_pwroff; 71 72#endif /* _SPARC_SETUP_H */ 73