/* openprom.h: Prom structures and defines for access to the OPENBOOT * prom routines and data areas. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
/* Empirical constants... */ #ifdef CONFIG_SUN3 #define KADB_DEBUGGER_BEGVM 0x0fee0000 /* There is no kadb yet but...*/ #define LINUX_OPPROM_BEGVM 0x0fef0000 #define LINUX_OPPROM_ENDVM 0x0ff10000 /* I think this is right - tm */ #else #define KADB_DEBUGGER_BEGVM 0xffc00000 /* Where kern debugger is in virt-mem */ #define LINUX_OPPROM_BEGVM 0xffd00000 #define LINUX_OPPROM_ENDVM 0xfff00000 #define LINUX_OPPROM_MAGIC 0x10010407 #endif
#ifndef __ASSEMBLER__ /* V0 prom device operations. */ struct linux_dev_v0_funcs { int (*v0_devopen)(char *device_str); int (*v0_devclose)(int dev_desc); int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); int (*v0_seekdev)(int dev_desc, long logical_offst, int from);
};
/* V2 and later prom device operations. */ struct linux_dev_v2_funcs { int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); void (*v2_dumb_mem_free)(char *va, unsigned sz);
/* To map devices into virtual I/O space. */ char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); void (*v2_dumb_munmap)(char *virta, unsigned size);
int (*v2_dev_open)(char *devpath); void (*v2_dev_close)(int d); int (*v2_dev_read)(int d, char *buf, int nbytes); int (*v2_dev_write)(int d, char *buf, int nbytes); int (*v2_dev_seek)(int d, int hi, int lo);
struct linux_mem_v0 { struct linux_mlist_v0 **v0_totphys; struct linux_mlist_v0 **v0_prommap; struct linux_mlist_v0 **v0_available; /* What we can use */
};
/* Arguments sent to the kernel from the boot prompt. */ struct linux_arguments_v0 { char *argv[8]; char args[100]; char boot_dev[2]; int boot_dev_ctrl; int boot_dev_unit; int dev_partition; char *kernel_file_name; void *aieee1; /* XXX */
};
/* V2 and up boot things. */ struct linux_bootargs_v2 { char **bootpath; char **bootargs; int *fd_stdin; int *fd_stdout;
};
#ifdefined(CONFIG_SUN3) || defined(CONFIG_SUN3X) struct linux_romvec { char *pv_initsp; int (*pv_startmon)(void);
unsignedchar (*pv_getchar)(void); int (*pv_putchar)(int ch); int (*pv_nbgetchar)(void); int (*pv_nbputchar)(int ch); unsignedchar *pv_echo; unsignedchar *pv_insource; unsignedchar *pv_outsink;
int (*pv_getkey)(void); int (*pv_initgetkey)(void); unsignedint *pv_translation; unsignedchar *pv_keybid; int *pv_screen_x; int *pv_screen_y; struct keybuf *pv_keybuf;
char *pv_monid;
/* * Frame buffer output and terminal emulation
*/
int (*pv_fbwritechar)(char); int *pv_fbaddr; char **pv_font; int (*pv_fbwritestr)(char);
void (*pv_reboot)(char *bootstr);
/* * Line input and parsing
*/
unsignedchar *pv_linebuf; unsignedchar **pv_lineptr; int *pv_linesize; int (*pv_getline)(void); unsignedchar (*pv_getnextchar)(void); unsignedchar (*pv_peeknextchar)(void); int *pv_fbthere; int (*pv_getnum)(void);
void (*pv_printf)(constchar *fmt, ...); int (*pv_printhex)(void);
unsignedchar *pv_leds; int (*pv_setleds)(void);
/* * Non-maskable interrupt (nmi) information
*/
int (*pv_nmiaddr)(void); int (*pv_abortentry)(void); int *pv_nmiclock;
/* Evaluate a forth string, not different proto for V0 and V2->up. */ union { void (*v0_eval)(int len, char *str); void (*v2_eval)(char *str);
} pv_fortheval;
struct linux_arguments_v0 **pv_v0bootargs;
/* Get ether address. */ unsignedint (*pv_enaddr)(int d, char *enaddr);
/* This one is sun4c/sun4 only. */ void (*pv_setctxt)(int ctxt, char *va, int pmeg);
/* Prom version 3 Multiprocessor routines. This stuff is crazy. * No joke. Calling these when there is only one cpu probably * crashes the machine, have to test this. :-)
*/
/* v3_cpustart() will start the cpu 'whichcpu' in mmu-context * 'thiscontext' executing at address 'prog_counter'
*/ int (*v3_cpustart)(unsignedint whichcpu, int ctxtbl_ptr, int thiscontext, char *prog_counter);
/* v3_cpustop() will cause cpu 'whichcpu' to stop executing * until a resume cpu call is made.
*/ int (*v3_cpustop)(unsignedint whichcpu);
/* v3_cpuidle() will idle cpu 'whichcpu' until a stop or * resume cpu call is made.
*/ int (*v3_cpuidle)(unsignedint whichcpu);
/* v3_cpuresume() will resume processor 'whichcpu' executing * starting with whatever 'pc' and 'npc' were left at the * last 'idle' or 'stop' call.
*/ int (*v3_cpuresume)(unsignedint whichcpu);
}; #endif
/* Routines for traversing the prom device tree. */ struct linux_nodeops { int (*no_nextnode)(int node); int (*no_child)(int node); int (*no_proplen)(int node, char *name); int (*no_getprop)(int node, char *name, char *val); int (*no_setprop)(int node, char *name, char *val, int len); char * (*no_nextprop)(int node, char *name);
};
/* More fun PROM structures for device probing. */ #define PROMREG_MAX 16 #define PROMVADDR_MAX 16 #define PROMINTR_MAX 15
struct linux_prom_registers { int which_io; /* is this in OBIO space? */ char *phys_addr; /* The physical address of this register */ int reg_size; /* How many bytes does this register take up? */
};
struct linux_prom_irqs { int pri; /* IRQ priority */ int vector; /* This is foobar, what does it do? */
};
/* Element of the "ranges" vector */ struct linux_prom_ranges { unsignedint ot_child_space; unsignedint ot_child_base; /* Bus feels this */ unsignedint ot_parent_space; unsignedint ot_parent_base; /* CPU looks from here */ unsignedint or_size;
};
#endif/* !(__ASSEMBLER__) */
#endif/* !(__SPARC_OPENPROM_H) */
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