diff options
Diffstat (limited to 'arch/sparc64/prom')
| -rw-r--r-- | arch/sparc64/prom/Makefile | 10 | ||||
| -rw-r--r-- | arch/sparc64/prom/bootstr.c | 40 | ||||
| -rw-r--r-- | arch/sparc64/prom/cif.S | 48 | ||||
| -rw-r--r-- | arch/sparc64/prom/console.c | 160 | ||||
| -rw-r--r-- | arch/sparc64/prom/devops.c | 41 | ||||
| -rw-r--r-- | arch/sparc64/prom/init.c | 54 | ||||
| -rw-r--r-- | arch/sparc64/prom/misc.c | 328 | ||||
| -rw-r--r-- | arch/sparc64/prom/p1275.c | 150 | ||||
| -rw-r--r-- | arch/sparc64/prom/printf.c | 47 | ||||
| -rw-r--r-- | arch/sparc64/prom/tree.c | 297 |
10 files changed, 0 insertions, 1175 deletions
diff --git a/arch/sparc64/prom/Makefile b/arch/sparc64/prom/Makefile deleted file mode 100644 index 3d33ed27bc2..00000000000 --- a/arch/sparc64/prom/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -# $Id: Makefile,v 1.7 2000/12/14 22:57:25 davem Exp $ -# Makefile for the Sun Boot PROM interface library under -# Linux. -# - -EXTRA_AFLAGS := -ansi -EXTRA_CFLAGS := -Werror - -lib-y := bootstr.o devops.o init.o misc.o \ - tree.o console.o printf.o p1275.o cif.o diff --git a/arch/sparc64/prom/bootstr.c b/arch/sparc64/prom/bootstr.c deleted file mode 100644 index a7278614e99..00000000000 --- a/arch/sparc64/prom/bootstr.c +++ /dev/null @@ -1,40 +0,0 @@ -/* $Id: bootstr.c,v 1.6 1999/08/31 06:55:01 davem Exp $ - * bootstr.c: Boot string/argument acquisition from the PROM. - * - * Copyright(C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright(C) 1996,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#include <linux/string.h> -#include <linux/init.h> -#include <asm/oplib.h> - -/* WARNING: The boot loader knows that these next three variables come one right - * after another in the .data section. Do not move this stuff into - * the .bss section or it will break things. - */ - -#define BARG_LEN 256 -struct { - int bootstr_len; - int bootstr_valid; - char bootstr_buf[BARG_LEN]; -} bootstr_info = { - .bootstr_len = BARG_LEN, -#ifdef CONFIG_CMDLINE - .bootstr_valid = 1, - .bootstr_buf = CONFIG_CMDLINE, -#endif -}; - -char * __init -prom_getbootargs(void) -{ - /* This check saves us from a panic when bootfd patches args. */ - if (bootstr_info.bootstr_valid) - return bootstr_info.bootstr_buf; - prom_getstring(prom_chosen_node, "bootargs", - bootstr_info.bootstr_buf, BARG_LEN); - bootstr_info.bootstr_valid = 1; - return bootstr_info.bootstr_buf; -} diff --git a/arch/sparc64/prom/cif.S b/arch/sparc64/prom/cif.S deleted file mode 100644 index 5f27ad779c0..00000000000 --- a/arch/sparc64/prom/cif.S +++ /dev/null @@ -1,48 +0,0 @@ -/* cif.S: PROM entry/exit assembler trampolines. - * - * Copyright (C) 1996, 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - * Copyright (C) 2005, 2006 David S. Miller <davem@davemloft.net> - */ - -#include <asm/pstate.h> -#include <asm/cpudata.h> -#include <asm/thread_info.h> - - .text - .globl prom_cif_interface -prom_cif_interface: - sethi %hi(p1275buf), %o0 - or %o0, %lo(p1275buf), %o0 - ldx [%o0 + 0x010], %o1 ! prom_cif_stack - save %o1, -192, %sp - ldx [%i0 + 0x008], %l2 ! prom_cif_handler - mov %g4, %l0 - mov %g5, %l1 - mov %g6, %l3 - call %l2 - add %i0, 0x018, %o0 ! prom_args - mov %l0, %g4 - mov %l1, %g5 - mov %l3, %g6 - ret - restore - - .globl prom_cif_callback -prom_cif_callback: - sethi %hi(p1275buf), %o1 - or %o1, %lo(p1275buf), %o1 - save %sp, -192, %sp - TRAP_LOAD_THREAD_REG(%g6, %g1) - LOAD_PER_CPU_BASE(%g5, %g6, %g4, %g3, %o0) - ldx [%g6 + TI_TASK], %g4 - call prom_world - mov 0, %o0 - ldx [%i1 + 0x000], %l2 - call %l2 - mov %i0, %o0 - mov %o0, %l1 - call prom_world - mov 1, %o0 - ret - restore %l1, 0, %o0 - diff --git a/arch/sparc64/prom/console.c b/arch/sparc64/prom/console.c deleted file mode 100644 index 7c25c54cefd..00000000000 --- a/arch/sparc64/prom/console.c +++ /dev/null @@ -1,160 +0,0 @@ -/* $Id: console.c,v 1.9 1997/10/29 07:41:43 ecd Exp $ - * console.c: Routines that deal with sending and receiving IO - * to/from the current console device using the PROM. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <asm/openprom.h> -#include <asm/oplib.h> -#include <asm/system.h> -#include <linux/string.h> - -extern int prom_stdin, prom_stdout; - -/* Non blocking get character from console input device, returns -1 - * if no input was taken. This can be used for polling. - */ -__inline__ int -prom_nbgetchar(void) -{ - char inc; - - if (p1275_cmd("read", P1275_ARG(1,P1275_ARG_OUT_BUF)| - P1275_INOUT(3,1), - prom_stdin, &inc, P1275_SIZE(1)) == 1) - return inc; - else - return -1; -} - -/* Non blocking put character to console device, returns -1 if - * unsuccessful. - */ -__inline__ int -prom_nbputchar(char c) -{ - char outc; - - outc = c; - if (p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)| - P1275_INOUT(3,1), - prom_stdout, &outc, P1275_SIZE(1)) == 1) - return 0; - else - return -1; -} - -/* Blocking version of get character routine above. */ -char -prom_getchar(void) -{ - int character; - while((character = prom_nbgetchar()) == -1) ; - return (char) character; -} - -/* Blocking version of put character routine above. */ -void -prom_putchar(char c) -{ - prom_nbputchar(c); - return; -} - -void -prom_puts(const char *s, int len) -{ - p1275_cmd("write", P1275_ARG(1,P1275_ARG_IN_BUF)| - P1275_INOUT(3,1), - prom_stdout, s, P1275_SIZE(len)); -} - -/* Query for input device type */ -enum prom_input_device -prom_query_input_device(void) -{ - int st_p; - char propb[64]; - - st_p = prom_inst2pkg(prom_stdin); - if(prom_node_has_property(st_p, "keyboard")) - return PROMDEV_IKBD; - prom_getproperty(st_p, "device_type", propb, sizeof(propb)); - if(strncmp(propb, "serial", 6)) - return PROMDEV_I_UNK; - /* FIXME: Is there any better way how to find out? */ - memset(propb, 0, sizeof(propb)); - st_p = prom_finddevice ("/options"); - prom_getproperty(st_p, "input-device", propb, sizeof(propb)); - - /* - * If we get here with propb == 'keyboard', we are on ttya, as - * the PROM defaulted to this due to 'no input device'. - */ - if (!strncmp(propb, "keyboard", 8)) - return PROMDEV_ITTYA; - - if (!strncmp (propb, "rsc", 3)) - return PROMDEV_IRSC; - - if (!strncmp (propb, "virtual-console", 3)) - return PROMDEV_IVCONS; - - if (strncmp (propb, "tty", 3) || !propb[3]) - return PROMDEV_I_UNK; - - switch (propb[3]) { - case 'a': return PROMDEV_ITTYA; - case 'b': return PROMDEV_ITTYB; - default: return PROMDEV_I_UNK; - } -} - -/* Query for output device type */ - -enum prom_output_device -prom_query_output_device(void) -{ - int st_p; - char propb[64]; - int propl; - - st_p = prom_inst2pkg(prom_stdout); - propl = prom_getproperty(st_p, "device_type", propb, sizeof(propb)); - if (propl >= 0 && propl == sizeof("display") && - strncmp("display", propb, sizeof("display")) == 0) - return PROMDEV_OSCREEN; - if(strncmp("serial", propb, 6)) - return PROMDEV_O_UNK; - /* FIXME: Is there any better way how to find out? */ - memset(propb, 0, sizeof(propb)); - st_p = prom_finddevice ("/options"); - prom_getproperty(st_p, "output-device", propb, sizeof(propb)); - - /* - * If we get here with propb == 'screen', we are on ttya, as - * the PROM defaulted to this due to 'no input device'. - */ - if (!strncmp(propb, "screen", 6)) - return PROMDEV_OTTYA; - - if (!strncmp (propb, "rsc", 3)) - return PROMDEV_ORSC; - - if (!strncmp (propb, "virtual-console", 3)) - return PROMDEV_OVCONS; - - if (strncmp (propb, "tty", 3) || !propb[3]) - return PROMDEV_O_UNK; - - switch (propb[3]) { - case 'a': return PROMDEV_OTTYA; - case 'b': return PROMDEV_OTTYB; - default: return PROMDEV_O_UNK; - } -} diff --git a/arch/sparc64/prom/devops.c b/arch/sparc64/prom/devops.c deleted file mode 100644 index 4641839eb39..00000000000 --- a/arch/sparc64/prom/devops.c +++ /dev/null @@ -1,41 +0,0 @@ -/* $Id: devops.c,v 1.3 1997/10/29 07:43:28 ecd Exp $ - * devops.c: Device operations using the PROM. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> - -#include <asm/openprom.h> -#include <asm/oplib.h> - -/* Open the device described by the string 'dstr'. Returns the handle - * to that device used for subsequent operations on that device. - * Returns 0 on failure. - */ -int -prom_devopen(const char *dstr) -{ - return p1275_cmd ("open", P1275_ARG(0,P1275_ARG_IN_STRING)| - P1275_INOUT(1,1), - dstr); -} - -/* Close the device described by device handle 'dhandle'. */ -int -prom_devclose(int dhandle) -{ - p1275_cmd ("close", P1275_INOUT(1,0), dhandle); - return 0; -} - -/* Seek to specified location described by 'seekhi' and 'seeklo' - * for device 'dhandle'. - */ -void -prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo) -{ - p1275_cmd ("seek", P1275_INOUT(3,1), dhandle, seekhi, seeklo); -} diff --git a/arch/sparc64/prom/init.c b/arch/sparc64/prom/init.c deleted file mode 100644 index 1c0db842a6f..00000000000 --- a/arch/sparc64/prom/init.c +++ /dev/null @@ -1,54 +0,0 @@ -/* $Id: init.c,v 1.10 1999/09/21 14:35:59 davem Exp $ - * init.c: Initialize internal variables used by the PROM - * library functions. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/string.h> -#include <linux/ctype.h> - -#include <asm/openprom.h> -#include <asm/oplib.h> - -/* OBP version string. */ -char prom_version[80]; - -/* The root node of the prom device tree. */ -int prom_stdin, prom_stdout; -int prom_chosen_node; - -/* You must call prom_init() before you attempt to use any of the - * routines in the prom library. It returns 0 on success, 1 on - * failure. It gets passed the pointer to the PROM vector. - */ - -extern void prom_cif_init(void *, void *); - -void __init prom_init(void *cif_handler, void *cif_stack) -{ - int node; - - prom_cif_init(cif_handler, cif_stack); - - prom_chosen_node = prom_finddevice(prom_chosen_path); - if (!prom_chosen_node || prom_chosen_node == -1) - prom_halt(); - - prom_stdin = prom_getint(prom_chosen_node, "stdin"); - prom_stdout = prom_getint(prom_chosen_node, "stdout"); - - node = prom_finddevice("/openprom"); - if (!node || node == -1) - prom_halt(); - - prom_getstring(node, "version", prom_version, sizeof(prom_version)); - - prom_printf("\n"); - - printk("PROMLIB: Sun IEEE Boot Prom '%s'\n", prom_version); - printk("PROMLIB: Root node compatible: %s\n", prom_root_compatible); -} diff --git a/arch/sparc64/prom/misc.c b/arch/sparc64/prom/misc.c deleted file mode 100644 index 0b4213720d4..00000000000 --- a/arch/sparc64/prom/misc.c +++ /dev/null @@ -1,328 +0,0 @@ -/* $Id: misc.c,v 1.20 2001/09/21 03:17:07 kanoj Exp $ - * misc.c: Miscellaneous prom functions that don't belong - * anywhere else. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <asm/openprom.h> -#include <asm/oplib.h> -#include <asm/system.h> - -/* Reset and reboot the machine with the command 'bcommand'. */ -void prom_reboot(const char *bcommand) -{ - p1275_cmd("boot", P1275_ARG(0, P1275_ARG_IN_STRING) | - P1275_INOUT(1, 0), bcommand); -} - -/* Forth evaluate the expression contained in 'fstring'. */ -void prom_feval(const char *fstring) -{ - if (!fstring || fstring[0] == 0) - return; - p1275_cmd("interpret", P1275_ARG(0, P1275_ARG_IN_STRING) | - P1275_INOUT(1, 1), fstring); -} - -/* We want to do this more nicely some day. */ -extern void (*prom_palette)(int); - -#ifdef CONFIG_SMP -extern void smp_capture(void); -extern void smp_release(void); -#endif - -/* Drop into the prom, with the chance to continue with the 'go' - * prom command. - */ -void prom_cmdline(void) -{ - unsigned long flags; - - local_irq_save(flags); - - if (!serial_console && prom_palette) - prom_palette(1); - -#ifdef CONFIG_SMP - smp_capture(); -#endif - - p1275_cmd("enter", P1275_INOUT(0, 0)); - -#ifdef CONFIG_SMP - smp_release(); -#endif - - if (!serial_console && prom_palette) - prom_palette(0); - - local_irq_restore(flags); -} - -/* Drop into the prom, but completely terminate the program. - * No chance of continuing. - */ -void prom_halt(void) -{ -again: - p1275_cmd("exit", P1275_INOUT(0, 0)); - goto again; /* PROM is out to get me -DaveM */ -} - -void prom_halt_power_off(void) -{ - p1275_cmd("SUNW,power-off", P1275_INOUT(0, 0)); - - /* if nothing else helps, we just halt */ - prom_halt(); -} - -/* Set prom sync handler to call function 'funcp'. */ -void prom_setcallback(callback_func_t funcp) -{ - if (!funcp) - return; - p1275_cmd("set-callback", P1275_ARG(0, P1275_ARG_IN_FUNCTION) | - P1275_INOUT(1, 1), funcp); -} - -/* Get the idprom and stuff it into buffer 'idbuf'. Returns the - * format type. 'num_bytes' is the number of bytes that your idbuf - * has space for. Returns 0xff on error. - */ -unsigned char prom_get_idprom(char *idbuf, int num_bytes) -{ - int len; - - len = prom_getproplen(prom_root_node, "idprom"); - if ((len >num_bytes) || (len == -1)) - return 0xff; - if (!prom_getproperty(prom_root_node, "idprom", idbuf, num_bytes)) - return idbuf[0]; - - return 0xff; -} - -/* Install Linux trap table so PROM uses that instead of its own. */ -void prom_set_trap_table(unsigned long tba) -{ - p1275_cmd("SUNW,set-trap-table", - (P1275_ARG(0, P1275_ARG_IN_64B) | - P1275_INOUT(1, 0)), tba); -} - -void prom_set_trap_table_sun4v(unsigned long tba, unsigned long mmfsa) -{ - p1275_cmd("SUNW,set-trap-table", - (P1275_ARG(0, P1275_ARG_IN_64B) | - P1275_ARG(1, P1275_ARG_IN_64B) | - P1275_INOUT(2, 0)), tba, mmfsa); -} - -int prom_get_mmu_ihandle(void) -{ - int node, ret; - - if (prom_mmu_ihandle_cache != 0) - return prom_mmu_ihandle_cache; - - node = prom_finddevice(prom_chosen_path); - ret = prom_getint(node, prom_mmu_name); - if (ret == -1 || ret == 0) - prom_mmu_ihandle_cache = -1; - else - prom_mmu_ihandle_cache = ret; - - return ret; -} - -static int prom_get_memory_ihandle(void) -{ - static int memory_ihandle_cache; - int node, ret; - - if (memory_ihandle_cache != 0) - return memory_ihandle_cache; - - node = prom_finddevice("/chosen"); - ret = prom_getint(node, "memory"); - if (ret == -1 || ret == 0) - memory_ihandle_cache = -1; - else - memory_ihandle_cache = ret; - - return ret; -} - -/* Load explicit I/D TLB entries. */ -long prom_itlb_load(unsigned long index, - unsigned long tte_data, - unsigned long vaddr) -{ - return p1275_cmd(prom_callmethod_name, - (P1275_ARG(0, P1275_ARG_IN_STRING) | - P1275_ARG(2, P1275_ARG_IN_64B) | - P1275_ARG(3, P1275_ARG_IN_64B) | - P1275_INOUT(5, 1)), - "SUNW,itlb-load", - prom_get_mmu_ihandle(), - /* And then our actual args are pushed backwards. */ - vaddr, - tte_data, - index); -} - -long prom_dtlb_load(unsigned long index, - unsigned long tte_data, - unsigned long vaddr) -{ - return p1275_cmd(prom_callmethod_name, - (P1275_ARG(0, P1275_ARG_IN_STRING) | - P1275_ARG(2, P1275_ARG_IN_64B) | - P1275_ARG(3, P1275_ARG_IN_64B) | - P1275_INOUT(5, 1)), - "SUNW,dtlb-load", - prom_get_mmu_ihandle(), - /* And then our actual args are pushed backwards. */ - vaddr, - tte_data, - index); -} - -int prom_map(int mode, unsigned long size, - unsigned long vaddr, unsigned long paddr) -{ - int ret = p1275_cmd(prom_callmethod_name, - (P1275_ARG(0, P1275_ARG_IN_STRING) | - P1275_ARG(3, P1275_ARG_IN_64B) | - P1275_ARG(4, P1275_ARG_IN_64B) | - P1275_ARG(6, P1275_ARG_IN_64B) | - P1275_INOUT(7, 1)), - prom_map_name, - prom_get_mmu_ihandle(), - mode, - size, - vaddr, - 0, - paddr); - - if (ret == 0) - ret = -1; - return ret; -} - -void prom_unmap(unsigned long size, unsigned long vaddr) -{ - p1275_cmd(prom_callmethod_name, - (P1275_ARG(0, P1275_ARG_IN_STRING) | - P1275_ARG(2, P1275_ARG_IN_64B) | - P1275_ARG(3, P1275_ARG_IN_64B) | - P1275_INOUT(4, 0)), - prom_unmap_name, - prom_get_mmu_ihandle(), - size, - vaddr); -} - -/* Set aside physical memory which is not touched or modified - * across soft resets. - */ -unsigned long prom_retain(const char *name, - unsigned long pa_low, unsigned long pa_high, - long size, long align) -{ - /* XXX I don't think we return multiple values correctly. - * XXX OBP supposedly returns pa_low/pa_high here, how does - * XXX it work? - */ - - /* If align is zero, the pa_low/pa_high args are passed, - * else they are not. - */ - if (align == 0) - return p1275_cmd("SUNW,retain", - (P1275_ARG(0, P1275_ARG_IN_BUF) | P1275_INOUT(5, 2)), - name, pa_low, pa_high, size, align); - else - return p1275_cmd("SUNW,retain", - (P1275_ARG(0, P1275_ARG_IN_BUF) | P1275_INOUT(3, 2)), - name, size, align); -} - -/* Get "Unumber" string for the SIMM at the given - * memory address. Usually this will be of the form - * "Uxxxx" where xxxx is a decimal number which is - * etched into the motherboard next to the SIMM slot - * in question. - */ -int prom_getunumber(int syndrome_code, - unsigned long phys_addr, - char *buf, int buflen) -{ - return p1275_cmd(prom_callmethod_name, - (P1275_ARG(0, P1275_ARG_IN_STRING) | - P1275_ARG(3, P1275_ARG_OUT_BUF) | - P1275_ARG(6, P1275_ARG_IN_64B) | - P1275_INOUT(8, 2)), - "SUNW,get-unumber", prom_get_memory_ihandle(), - buflen, buf, P1275_SIZE(buflen), - 0, phys_addr, syndrome_code); -} - -/* Power management extensions. */ -void prom_sleepself(void) -{ - p1275_cmd("SUNW,sleep-self", P1275_INOUT(0, 0)); -} - -int prom_sleepsystem(void) -{ - return p1275_cmd("SUNW,sleep-system", P1275_INOUT(0, 1)); -} - -int prom_wakeupsystem(void) -{ - return p1275_cmd("SUNW,wakeup-system", P1275_INOUT(0, 1)); -} - -#ifdef CONFIG_SMP -void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg) -{ - p1275_cmd("SUNW,start-cpu", P1275_INOUT(3, 0), cpunode, pc, arg); -} - -void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg) -{ - p1275_cmd("SUNW,start-cpu-by-cpuid", P1275_INOUT(3, 0), - cpuid, pc, arg); -} - -void prom_stopcpu_cpuid(int cpuid) -{ - p1275_cmd("SUNW,stop-cpu-by-cpuid", P1275_INOUT(1, 0), - cpuid); -} - -void prom_stopself(void) -{ - p1275_cmd("SUNW,stop-self", P1275_INOUT(0, 0)); -} - -void prom_idleself(void) -{ - p1275_cmd("SUNW,idle-self", P1275_INOUT(0, 0)); -} - -void prom_resumecpu(int cpunode) -{ - p1275_cmd("SUNW,resume-cpu", P1275_INOUT(1, 0), cpunode); -} -#endif diff --git a/arch/sparc64/prom/p1275.c b/arch/sparc64/prom/p1275.c deleted file mode 100644 index 2b32c489860..00000000000 --- a/arch/sparc64/prom/p1275.c +++ /dev/null @@ -1,150 +0,0 @@ -/* $Id: p1275.c,v 1.22 2001/10/18 09:40:00 davem Exp $ - * p1275.c: Sun IEEE 1275 PROM low level interface routines - * - * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/smp.h> -#include <linux/string.h> -#include <linux/spinlock.h> - -#include <asm/openprom.h> -#include <asm/oplib.h> -#include <asm/system.h> -#include <asm/spitfire.h> -#include <asm/pstate.h> - -struct { - long prom_callback; /* 0x00 */ - void (*prom_cif_handler)(long *); /* 0x08 */ - unsigned long prom_cif_stack; /* 0x10 */ - unsigned long prom_args [23]; /* 0x18 */ - char prom_buffer [3000]; -} p1275buf; - -extern void prom_world(int); - -extern void prom_cif_interface(void); -extern void prom_cif_callback(void); - -/* - * This provides SMP safety on the p1275buf. prom_callback() drops this lock - * to allow recursuve acquisition. - */ -DEFINE_SPINLOCK(prom_entry_lock); - -long p1275_cmd(const char *service, long fmt, ...) -{ - char *p, *q; - unsigned long flags; - int nargs, nrets, i; - va_list list; - long attrs, x; - - p = p1275buf.prom_buffer; - - spin_lock_irqsave(&prom_entry_lock, flags); - - p1275buf.prom_args[0] = (unsigned long)p; /* service */ - strcpy (p, service); - p = (char *)(((long)(strchr (p, 0) + 8)) & ~7); - p1275buf.prom_args[1] = nargs = (fmt & 0x0f); /* nargs */ - p1275buf.prom_args[2] = nrets = ((fmt & 0xf0) >> 4); /* nrets */ - attrs = fmt >> 8; - va_start(list, fmt); - for (i = 0; i < nargs; i++, attrs >>= 3) { - switch (attrs & 0x7) { - case P1275_ARG_NUMBER: - p1275buf.prom_args[i + 3] = - (unsigned)va_arg(list, long); - break; - case P1275_ARG_IN_64B: - p1275buf.prom_args[i + 3] = - va_arg(list, unsigned long); - break; - case P1275_ARG_IN_STRING: - strcpy (p, va_arg(list, char *)); - p1275buf.prom_args[i + 3] = (unsigned long)p; - p = (char *)(((long)(strchr (p, 0) + 8)) & ~7); - break; - case P1275_ARG_OUT_BUF: - (void) va_arg(list, char *); - p1275buf.prom_args[i + 3] = (unsigned long)p; - x = va_arg(list, long); - i++; attrs >>= 3; - p = (char *)(((long)(p + (int)x + 7)) & ~7); - p1275buf.prom_args[i + 3] = x; - break; - case P1275_ARG_IN_BUF: - q = va_arg(list, char *); - p1275buf.prom_args[i + 3] = (unsigned long)p; - x = va_arg(list, long); - i++; attrs >>= 3; - memcpy (p, q, (int)x); - p = (char *)(((long)(p + (int)x + 7)) & ~7); - p1275buf.prom_args[i + 3] = x; - break; - case P1275_ARG_OUT_32B: - (void) va_arg(list, char *); - p1275buf.prom_args[i + 3] = (unsigned long)p; - p += 32; - break; - case P1275_ARG_IN_FUNCTION: - p1275buf.prom_args[i + 3] = - (unsigned long)prom_cif_callback; - p1275buf.prom_callback = va_arg(list, long); - break; - } - } - va_end(list); - - prom_world(1); - prom_cif_interface(); - prom_world(0); - - attrs = fmt >> 8; - va_start(list, fmt); - for (i = 0; i < nargs; i++, attrs >>= 3) { - switch (attrs & 0x7) { - case P1275_ARG_NUMBER: - (void) va_arg(list, long); - break; - case P1275_ARG_IN_STRING: - (void) va_arg(list, char *); - break; - case P1275_ARG_IN_FUNCTION: - (void) va_arg(list, long); - break; - case P1275_ARG_IN_BUF: - (void) va_arg(list, char *); - (void) va_arg(list, long); - i++; attrs >>= 3; - break; - case P1275_ARG_OUT_BUF: - p = va_arg(list, char *); - x = va_arg(list, long); - memcpy (p, (char *)(p1275buf.prom_args[i + 3]), (int)x); - i++; attrs >>= 3; - break; - case P1275_ARG_OUT_32B: - p = va_arg(list, char *); - memcpy (p, (char *)(p1275buf.prom_args[i + 3]), 32); - break; - } - } - va_end(list); - x = p1275buf.prom_args [nargs + 3]; - - spin_unlock_irqrestore(&prom_entry_lock, flags); - - return x; -} - -void prom_cif_init(void *cif_handler, void *cif_stack) -{ - p1275buf.prom_cif_handler = (void (*)(long *))cif_handler; - p1275buf.prom_cif_stack = (unsigned long)cif_stack; -} diff --git a/arch/sparc64/prom/printf.c b/arch/sparc64/prom/printf.c deleted file mode 100644 index 660943ee4c2..00000000000 --- a/arch/sparc64/prom/printf.c +++ /dev/null @@ -1,47 +0,0 @@ -/* - * printf.c: Internal prom library printf facility. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - * Copyright (c) 2002 Pete Zaitcev (zaitcev@yahoo.com) - * - * We used to warn all over the code: DO NOT USE prom_printf(), - * and yet people do. Anton's banking code was outputting banks - * with prom_printf for most of the 2.4 lifetime. Since an effective - * stick is not available, we deployed a carrot: an early printk - * through PROM by means of -p boot option. This ought to fix it. - * USE printk; if you need, deploy -p. - */ - -#include <linux/kernel.h> - -#include <asm/openprom.h> -#include <asm/oplib.h> - -static char ppbuf[1024]; - -void -prom_write(const char *buf, unsigned int n) -{ - char ch; - - while (n != 0) { - --n; - if ((ch = *buf++) == '\n') - prom_putchar('\r'); - prom_putchar(ch); - } -} - -void -prom_printf(const char *fmt, ...) -{ - va_list args; - int i; - - va_start(args, fmt); - i = vscnprintf(ppbuf, sizeof(ppbuf), fmt, args); - va_end(args); - - prom_write(ppbuf, i); -} diff --git a/arch/sparc64/prom/tree.c b/arch/sparc64/prom/tree.c deleted file mode 100644 index 500f05e2cfc..00000000000 --- a/arch/sparc64/prom/tree.c +++ /dev/null @@ -1,297 +0,0 @@ -/* $Id: tree.c,v 1.10 1998/01/10 22:39:00 ecd Exp $ - * tree.c: Basic device tree traversal/scanning for the Linux - * prom library. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#include <linux/string.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> - -#include <asm/openprom.h> -#include <asm/oplib.h> - -/* Return the child of node 'node' or zero if no this node has no - * direct descendent. - */ -__inline__ int -__prom_getchild(int node) -{ - return p1275_cmd ("child", P1275_INOUT(1, 1), node); -} - -__inline__ int -prom_getchild(int node) -{ - int cnode; - - if(node == -1) return 0; - cnode = __prom_getchild(node); - if(cnode == -1) return 0; - return (int)cnode; -} - -__inline__ int -prom_getparent(int node) -{ - int cnode; - - if(node == -1) return 0; - cnode = p1275_cmd ("parent", P1275_INOUT(1, 1), node); - if(cnode == -1) return 0; - return (int)cnode; -} - -/* Return the next sibling of node 'node' or zero if no more siblings - * at this level of depth in the tree. - */ -__inline__ int -__prom_getsibling(int node) -{ - return p1275_cmd(prom_peer_name, P1275_INOUT(1, 1), node); -} - -__inline__ int -prom_getsibling(int node) -{ - int sibnode; - - if (node == -1) - return 0; - sibnode = __prom_getsibling(node); - if (sibnode == -1) - return 0; - - return sibnode; -} - -/* Return the length in bytes of property 'prop' at node 'node'. - * Return -1 on error. - */ -__inline__ int -prom_getproplen(int node, const char *prop) -{ - if((!node) || (!prop)) return -1; - return p1275_cmd ("getproplen", - P1275_ARG(1,P1275_ARG_IN_STRING)| - P1275_INOUT(2, 1), - node, prop); -} - -/* Acquire a property 'prop' at node 'node' and place it in - * 'buffer' which has a size of 'bufsize'. If the acquisition - * was successful the length will be returned, else -1 is returned. - */ -__inline__ int -prom_getproperty(int node, const char *prop, char *buffer, int bufsize) -{ - int plen; - - plen = prom_getproplen(node, prop); - if ((plen > bufsize) || (plen == 0) || (plen == -1)) { - return -1; - } else { - /* Ok, things seem all right. */ - return p1275_cmd(prom_getprop_name, - P1275_ARG(1,P1275_ARG_IN_STRING)| - P1275_ARG(2,P1275_ARG_OUT_BUF)| - P1275_INOUT(4, 1), - node, prop, buffer, P1275_SIZE(plen)); - } -} - -/* Acquire an integer property and return its value. Returns -1 - * on failure. - */ -__inline__ int -prom_getint(int node, const char *prop) -{ - int intprop; - - if(prom_getproperty(node, prop, (char *) &intprop, sizeof(int)) != -1) - return intprop; - - return -1; -} - -/* Acquire an integer property, upon error return the passed default - * integer. - */ - -int -prom_getintdefault(int node, const char *property, int deflt) -{ - int retval; - - retval = prom_getint(node, property); - if(retval == -1) return deflt; - - return retval; -} - -/* Acquire a boolean property, 1=TRUE 0=FALSE. */ -int -prom_getbool(int node, const char *prop) -{ - int retval; - - retval = prom_getproplen(node, prop); - if(retval == -1) return 0; - return 1; -} - -/* Acquire a property whose value is a string, returns a null - * string on error. The char pointer is the user supplied string - * buffer. - */ -void -prom_getstring(int node, const char *prop, char *user_buf, int ubuf_size) -{ - int len; - - len = prom_getproperty(node, prop, user_buf, ubuf_size); - if(len != -1) return; - user_buf[0] = 0; - return; -} - - -/* Does the device at node 'node' have name 'name'? - * YES = 1 NO = 0 - */ -int -prom_nodematch(int node, const char *name) -{ - char namebuf[128]; - prom_getproperty(node, "name", namebuf, sizeof(namebuf)); - if(strcmp(namebuf, name) == 0) return 1; - return 0; -} - -/* Search siblings at 'node_start' for a node with name - * 'nodename'. Return node if successful, zero if not. - */ -int -prom_searchsiblings(int node_start, const char *nodename) -{ - - int thisnode, error; - char promlib_buf[128]; - - for(thisnode = node_start; thisnode; - thisnode=prom_getsibling(thisnode)) { - error = prom_getproperty(thisnode, "name", promlib_buf, - sizeof(promlib_buf)); - /* Should this ever happen? */ - if(error == -1) continue; - if(strcmp(nodename, promlib_buf)==0) return thisnode; - } - - return 0; -} - -/* Return the first property type for node 'node'. - * buffer should be at least 32B in length - */ -__inline__ char * -prom_firstprop(int node, char *buffer) -{ - *buffer = 0; - if(node == -1) return buffer; - p1275_cmd ("nextprop", P1275_ARG(2,P1275_ARG_OUT_32B)| - P1275_INOUT(3, 0), - node, (char *) 0x0, buffer); - return buffer; -} - -/* Return the property type string after property type 'oprop' - * at node 'node' . Returns NULL string if no more - * property types for this node. - */ -__inline__ char * -prom_nextprop(int node, const char *oprop, char *buffer) -{ - char buf[32]; - - if(node == -1) { - *buffer = 0; - return buffer; - } - if (oprop == buffer) { - strcpy (buf, oprop); - oprop = buf; - } - p1275_cmd ("nextprop", P1275_ARG(1,P1275_ARG_IN_STRING)| - P1275_ARG(2,P1275_ARG_OUT_32B)| - P1275_INOUT(3, 0), - node, oprop, buffer); - return buffer; -} - -int -prom_finddevice(const char *name) -{ - if (!name) - return 0; - return p1275_cmd(prom_finddev_name, - P1275_ARG(0,P1275_ARG_IN_STRING)| - P1275_INOUT(1, 1), - name); -} - -int prom_node_has_property(int node, const char *prop) -{ - char buf [32]; - - *buf = 0; - do { - prom_nextprop(node, buf, buf); - if(!strcmp(buf, prop)) - return 1; - } while (*buf); - return 0; -} - -/* Set property 'pname' at node 'node' to value 'value' which has a length - * of 'size' bytes. Return the number of bytes the prom accepted. - */ -int -prom_setprop(int node, const char *pname, char *value, int size) -{ - if(size == 0) return 0; - if((pname == 0) || (value == 0)) return 0; - - return p1275_cmd ("setprop", P1275_ARG(1,P1275_ARG_IN_STRING)| - P1275_ARG(2,P1275_ARG_IN_BUF)| - P1275_INOUT(4, 1), - node, pname, value, P1275_SIZE(size)); -} - -__inline__ int -prom_inst2pkg(int inst) -{ - int node; - - node = p1275_cmd ("instance-to-package", P1275_INOUT(1, 1), inst); - if (node == -1) return 0; - return node; -} - -/* Return 'node' assigned to a particular prom 'path' - * FIXME: Should work for v0 as well - */ -int -prom_pathtoinode(const char *path) -{ - int node, inst; - - inst = prom_devopen (path); - if (inst == 0) return 0; - node = prom_inst2pkg (inst); - prom_devclose (inst); - if (node == -1) return 0; - return node; -} |