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; con_is_present(void)23static 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 */ 73