| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 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 */ |