diff options
Diffstat (limited to 'arch/mips/fw/arc')
| -rw-r--r-- | arch/mips/fw/arc/Makefile | 7 | ||||
| -rw-r--r-- | arch/mips/fw/arc/arc_con.c | 6 | ||||
| -rw-r--r-- | arch/mips/fw/arc/cmdline.c | 38 | ||||
| -rw-r--r-- | arch/mips/fw/arc/env.c | 6 | ||||
| -rw-r--r-- | arch/mips/fw/arc/file.c | 50 | ||||
| -rw-r--r-- | arch/mips/fw/arc/identify.c | 15 | ||||
| -rw-r--r-- | arch/mips/fw/arc/init.c | 20 | ||||
| -rw-r--r-- | arch/mips/fw/arc/memory.c | 72 | ||||
| -rw-r--r-- | arch/mips/fw/arc/misc.c | 59 | ||||
| -rw-r--r-- | arch/mips/fw/arc/promlib.c | 26 | ||||
| -rw-r--r-- | arch/mips/fw/arc/salone.c | 24 | ||||
| -rw-r--r-- | arch/mips/fw/arc/time.c | 25 | ||||
| -rw-r--r-- | arch/mips/fw/arc/tree.c | 127 |
13 files changed, 123 insertions, 352 deletions
diff --git a/arch/mips/fw/arc/Makefile b/arch/mips/fw/arc/Makefile index 4f349ec1ea2d..64d685efcc77 100644 --- a/arch/mips/fw/arc/Makefile +++ b/arch/mips/fw/arc/Makefile @@ -1,9 +1,14 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the ARC prom monitor library routines under Linux. # +ifdef CONFIG_ARC_CMDLINE_ONLY +lib-y += cmdline.o +else lib-y += cmdline.o env.o file.o identify.o init.o \ - misc.o salone.o time.o tree.o + misc.o +endif lib-$(CONFIG_ARC_MEMORY) += memory.o lib-$(CONFIG_ARC_CONSOLE) += arc_con.o diff --git a/arch/mips/fw/arc/arc_con.c b/arch/mips/fw/arc/arc_con.c index bc32fe64f42a..7fdce236b298 100644 --- a/arch/mips/fw/arc/arc_con.c +++ b/arch/mips/fw/arc/arc_con.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wrap-around code for a console using the * ARC io-routines. @@ -11,6 +12,7 @@ #include <linux/init.h> #include <linux/console.h> #include <linux/fs.h> +#include <asm/setup.h> #include <asm/sgialib.h> static void prom_console_write(struct console *co, const char *s, @@ -26,7 +28,9 @@ static void prom_console_write(struct console *co, const char *s, static int prom_console_setup(struct console *co, char *options) { - return !(prom_flags & PROM_FLAG_USE_AS_CONSOLE); + if (prom_flags & PROM_FLAG_USE_AS_CONSOLE) + return 0; + return -ENODEV; } static struct console arc_cons = { diff --git a/arch/mips/fw/arc/cmdline.c b/arch/mips/fw/arc/cmdline.c index c0122a1dc587..86b0e377b713 100644 --- a/arch/mips/fw/arc/cmdline.c +++ b/arch/mips/fw/arc/cmdline.c @@ -17,6 +17,12 @@ #undef DEBUG_CMDLINE +/* + * A 32-bit ARC PROM pass arguments and environment as 32-bit pointer. + * These macro take care of sign extension. + */ +#define prom_argv(index) ((char *) (long)argv[(index)]) + static char *ignored[] = { "ConsoleIn=", "ConsoleOut=", @@ -32,16 +38,17 @@ static char *used_arc[][2] = { { "OSLoadOptions=", "" } }; -static char * __init move_firmware_args(char* cp) +static char __init *move_firmware_args(int argc, LONG *argv, char *cp) { char *s; int actr, i; + size_t len; actr = 1; /* Always ignore argv[0] */ - while (actr < prom_argc) { - for(i = 0; i < ARRAY_SIZE(used_arc); i++) { - int len = strlen(used_arc[i][0]); + while (actr < argc) { + for (i = 0; i < ARRAY_SIZE(used_arc); i++) { + len = strlen(used_arc[i][0]); if (!strncmp(prom_argv(actr), used_arc[i][0], len)) { /* Ok, we want it. First append the replacement... */ @@ -51,8 +58,9 @@ static char * __init move_firmware_args(char* cp) s = strchr(prom_argv(actr), '='); if (s) { s++; - strcpy(cp, s); - cp += strlen(s); + len = strlen(s); + memcpy(cp, s, len + 1); + cp += len; } *cp++ = ' '; break; @@ -64,10 +72,11 @@ static char * __init move_firmware_args(char* cp) return cp; } -void __init prom_init_cmdline(void) +void __init prom_init_cmdline(int argc, LONG *argv) { char *cp; int actr, i; + size_t len; actr = 1; /* Always ignore argv[0] */ @@ -76,18 +85,19 @@ void __init prom_init_cmdline(void) * Move ARC variables to the beginning to make sure they can be * overridden by later arguments. */ - cp = move_firmware_args(cp); + cp = move_firmware_args(argc, argv, cp); - while (actr < prom_argc) { + while (actr < argc) { for (i = 0; i < ARRAY_SIZE(ignored); i++) { - int len = strlen(ignored[i]); - + len = strlen(ignored[i]); if (!strncmp(prom_argv(actr), ignored[i], len)) goto pic_cont; } + /* Ok, we want it. */ - strcpy(cp, prom_argv(actr)); - cp += strlen(prom_argv(actr)); + len = strlen(prom_argv(actr)); + memcpy(cp, prom_argv(actr), len + 1); + cp += len; *cp++ = ' '; pic_cont: @@ -99,6 +109,6 @@ void __init prom_init_cmdline(void) *cp = '\0'; #ifdef DEBUG_CMDLINE - printk(KERN_DEBUG "prom cmdline: %s\n", arcs_cmdline); + pr_debug("prom cmdline: %s\n", arcs_cmdline); #endif } diff --git a/arch/mips/fw/arc/env.c b/arch/mips/fw/arc/env.c index 1118a26b32ee..02407a7bb38e 100644 --- a/arch/mips/fw/arc/env.c +++ b/arch/mips/fw/arc/env.c @@ -19,9 +19,3 @@ ArcGetEnvironmentVariable(CHAR *name) { return (CHAR *) ARC_CALL1(get_evar, name); } - -LONG __init -ArcSetEnvironmentVariable(PCHAR name, PCHAR value) -{ - return ARC_CALL2(set_evar, name, value); -} diff --git a/arch/mips/fw/arc/file.c b/arch/mips/fw/arc/file.c index a8b08032348f..b0d8535c80cc 100644 --- a/arch/mips/fw/arc/file.c +++ b/arch/mips/fw/arc/file.c @@ -8,68 +8,18 @@ * Copyright (C) 1994, 1995, 1996, 1999 Ralf Baechle * Copyright (C) 1999 Silicon Graphics, Inc. */ -#include <linux/init.h> #include <asm/fw/arc/types.h> #include <asm/sgialib.h> LONG -ArcGetDirectoryEntry(ULONG FileID, struct linux_vdirent *Buffer, - ULONG N, ULONG *Count) -{ - return ARC_CALL4(get_vdirent, FileID, Buffer, N, Count); -} - -LONG -ArcOpen(CHAR *Path, enum linux_omode OpenMode, ULONG *FileID) -{ - return ARC_CALL3(open, Path, OpenMode, FileID); -} - -LONG -ArcClose(ULONG FileID) -{ - return ARC_CALL1(close, FileID); -} - -LONG ArcRead(ULONG FileID, VOID *Buffer, ULONG N, ULONG *Count) { return ARC_CALL4(read, FileID, Buffer, N, Count); } LONG -ArcGetReadStatus(ULONG FileID) -{ - return ARC_CALL1(get_rstatus, FileID); -} - -LONG ArcWrite(ULONG FileID, PVOID Buffer, ULONG N, PULONG Count) { return ARC_CALL4(write, FileID, Buffer, N, Count); } - -LONG -ArcSeek(ULONG FileID, struct linux_bigint *Position, enum linux_seekmode SeekMode) -{ - return ARC_CALL3(seek, FileID, Position, SeekMode); -} - -LONG -ArcMount(char *name, enum linux_mountops op) -{ - return ARC_CALL2(mount, name, op); -} - -LONG -ArcGetFileInformation(ULONG FileID, struct linux_finfo *Information) -{ - return ARC_CALL2(get_finfo, FileID, Information); -} - -LONG ArcSetFileInformation(ULONG FileID, ULONG AttributeFlags, - ULONG AttributeMask) -{ - return ARC_CALL3(set_finfo, FileID, AttributeFlags, AttributeMask); -} diff --git a/arch/mips/fw/arc/identify.c b/arch/mips/fw/arc/identify.c index f90266c02c9d..5527e0f54079 100644 --- a/arch/mips/fw/arc/identify.c +++ b/arch/mips/fw/arc/identify.c @@ -32,10 +32,6 @@ static struct smatch mach_table[] = { .liname = "SGI Indy", .flags = PROM_FLAG_ARCS, }, { - .arcname = "SGI-IP27", - .liname = "SGI Origin", - .flags = PROM_FLAG_ARCS, - }, { .arcname = "SGI-IP28", .liname = "SGI IP28", .flags = PROM_FLAG_ARCS, @@ -87,6 +83,11 @@ const char *get_system_type(void) return system_type; } +static pcomponent * __init ArcGetChild(pcomponent *Current) +{ + return (pcomponent *) ARC_CALL1(child_component, Current); +} + void __init prom_identify_arch(void) { pcomponent *p; @@ -98,13 +99,7 @@ void __init prom_identify_arch(void) */ p = ArcGetChild(PROM_NULL_COMPONENT); if (p == NULL) { -#ifdef CONFIG_SGI_IP27 - /* IP27 PROM misbehaves, seems to not implement ARC - GetChild(). So we just assume it's an IP27. */ - iname = "SGI-IP27"; -#else iname = "Unknown"; -#endif } else iname = (char *) (long) p->iname; diff --git a/arch/mips/fw/arc/init.c b/arch/mips/fw/arc/init.c index 629b24db0d3a..f9d1dea9b2ca 100644 --- a/arch/mips/fw/arc/init.c +++ b/arch/mips/fw/arc/init.c @@ -18,8 +18,11 @@ /* Master romvec interface. */ struct linux_romvec *romvec; -int prom_argc; -LONG *_prom_argv, *_prom_envp; + +#if defined(CONFIG_64BIT) && defined(CONFIG_FW_ARC32) +/* stack for calling 32bit ARC prom */ +u64 o32_stk[4096]; +#endif void __init prom_init(void) { @@ -27,10 +30,6 @@ void __init prom_init(void) romvec = ROMVECTOR; - prom_argc = fw_arg0; - _prom_argv = (LONG *) fw_arg1; - _prom_envp = (LONG *) fw_arg2; - if (pb->magic != 0x53435241) { printk(KERN_CRIT "Aieee, bad prom vector magic %08lx\n", (unsigned long) pb->magic); @@ -38,7 +37,7 @@ void __init prom_init(void) ; } - prom_init_cmdline(); + prom_init_cmdline(fw_arg0, (LONG *)fw_arg1); prom_identify_arch(); printk(KERN_INFO "PROMLIB: ARC firmware Version %d Revision %d\n", pb->ver, pb->rev); @@ -49,11 +48,4 @@ void __init prom_init(void) ArcRead(0, &c, 1, &cnt); ArcEnterInteractiveMode(); #endif -#ifdef CONFIG_SGI_IP27 - { - extern struct plat_smp_ops ip27_smp_ops; - - register_smp_ops(&ip27_smp_ops); - } -#endif } diff --git a/arch/mips/fw/arc/memory.c b/arch/mips/fw/arc/memory.c index 5537b94572b2..fb78e6fd5de4 100644 --- a/arch/mips/fw/arc/memory.c +++ b/arch/mips/fw/arc/memory.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * memory.c: PROM library functions for acquiring/using memory descriptors * given to us from the ARCS firmware. @@ -9,30 +10,34 @@ * PROM library functions for acquiring/using memory descriptors given to us * from the ARCS firmware. This is only used when CONFIG_ARC_MEMORY is set * because on some machines like SGI IP27 the ARC memory configuration data - * completly bogus and alternate easier to use mechanisms are available. + * completely bogus and alternate easier to use mechanisms are available. */ #include <linux/init.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/sched.h> #include <linux/mm.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/swap.h> #include <asm/sgialib.h> #include <asm/page.h> -#include <asm/pgtable.h> #include <asm/bootinfo.h> #undef DEBUG +#define MAX_PROM_MEM 5 +static phys_addr_t prom_mem_base[MAX_PROM_MEM] __initdata; +static phys_addr_t prom_mem_size[MAX_PROM_MEM] __initdata; +static unsigned int nr_prom_mem __initdata; + /* - * For ARC firmware memory functions the unit of meassuring memory is always + * For ARC firmware memory functions the unit of measuring memory is always * a 4k page of memory */ #define ARC_PAGE_SHIFT 12 -struct linux_mdesc * __init ArcGetMemoryDescriptor(struct linux_mdesc *Current) +static struct linux_mdesc * __init ArcGetMemoryDescriptor(struct linux_mdesc *Current) { return (struct linux_mdesc *) ARC_CALL1(get_mdesc, Current); } @@ -63,20 +68,24 @@ static char *arc_mtypes[8] = { : arc_mtypes[a.arc] #endif +enum { + mem_free, mem_prom_used, mem_reserved +}; + static inline int memtype_classify_arcs(union linux_memtypes type) { switch (type.arcs) { case arcs_fcontig: case arcs_free: - return BOOT_MEM_RAM; + return mem_free; case arcs_atmp: - return BOOT_MEM_ROM_DATA; + return mem_prom_used; case arcs_eblock: case arcs_rvpage: case arcs_bmem: case arcs_prog: case arcs_aperm: - return BOOT_MEM_RESERVED; + return mem_reserved; default: BUG(); } @@ -88,15 +97,15 @@ static inline int memtype_classify_arc(union linux_memtypes type) switch (type.arc) { case arc_free: case arc_fcontig: - return BOOT_MEM_RAM; + return mem_free; case arc_atmp: - return BOOT_MEM_ROM_DATA; + return mem_prom_used; case arc_eblock: case arc_rvpage: case arc_bmem: case arc_prog: case arc_aperm: - return BOOT_MEM_RESERVED; + return mem_reserved; default: BUG(); } @@ -111,7 +120,7 @@ static int __init prom_memtype_classify(union linux_memtypes type) return memtype_classify_arc(type); } -void __init prom_meminit(void) +void __weak __init prom_meminit(void) { struct linux_mdesc *p; @@ -128,6 +137,7 @@ void __init prom_meminit(void) } #endif + nr_prom_mem = 0; p = PROM_NULL_MDESC; while ((p = ArcGetMemoryDescriptor(p))) { unsigned long base, size; @@ -137,24 +147,46 @@ void __init prom_meminit(void) size = p->pages << ARC_PAGE_SHIFT; type = prom_memtype_classify(p->type); - add_memory_region(base, size, type); + /* ignore mirrored RAM on IP28/IP30 */ + if (base < PHYS_OFFSET) + continue; + + memblock_add(base, size); + + if (type == mem_reserved) + memblock_reserve(base, size); + + if (type == mem_prom_used) { + memblock_reserve(base, size); + if (nr_prom_mem >= 5) { + pr_err("Too many ROM DATA regions"); + continue; + } + prom_mem_base[nr_prom_mem] = base; + prom_mem_size[nr_prom_mem] = size; + nr_prom_mem++; + } } } +void __weak __init prom_cleanup(void) +{ +} + void __init prom_free_prom_memory(void) { - unsigned long addr; int i; if (prom_flags & PROM_FLAG_DONT_FREE_TEMP) return; - for (i = 0; i < boot_mem_map.nr_map; i++) { - if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA) - continue; - - addr = boot_mem_map.map[i].addr; + for (i = 0; i < nr_prom_mem; i++) { free_init_pages("prom memory", - addr, addr + boot_mem_map.map[i].size); + prom_mem_base[i], prom_mem_base[i] + prom_mem_size[i]); } + /* + * at this point it isn't safe to call PROM functions + * give platforms a way to do PROM cleanups + */ + prom_cleanup(); } diff --git a/arch/mips/fw/arc/misc.c b/arch/mips/fw/arc/misc.c index f9f5307434c2..d5b2d5901324 100644 --- a/arch/mips/fw/arc/misc.c +++ b/arch/mips/fw/arc/misc.c @@ -9,6 +9,7 @@ * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org) * Copyright (C) 1999 Silicon Graphics, Inc. */ +#include <linux/compiler.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/irqflags.h> @@ -19,68 +20,14 @@ #include <asm/sgialib.h> #include <asm/bootinfo.h> -VOID -ArcHalt(VOID) -{ - bc_disable(); - local_irq_disable(); - ARC_CALL0(halt); -never: goto never; -} - -VOID -ArcPowerDown(VOID) -{ - bc_disable(); - local_irq_disable(); - ARC_CALL0(pdown); -never: goto never; -} - -/* XXX is this a soft reset basically? XXX */ -VOID -ArcRestart(VOID) -{ - bc_disable(); - local_irq_disable(); - ARC_CALL0(restart); -never: goto never; -} - -VOID -ArcReboot(VOID) -{ - bc_disable(); - local_irq_disable(); - ARC_CALL0(reboot); -never: goto never; -} - -VOID +VOID __noreturn ArcEnterInteractiveMode(VOID) { bc_disable(); local_irq_disable(); ARC_CALL0(imode); -never: goto never; -} -LONG -ArcSaveConfiguration(VOID) -{ - return ARC_CALL0(cfg_save); -} - -struct linux_sysid * -ArcGetSystemId(VOID) -{ - return (struct linux_sysid *) ARC_CALL0(get_sysid); -} - -VOID __init -ArcFlushAllCaches(VOID) -{ - ARC_CALL0(cache_flush); + unreachable(); } DISPLAY_STATUS * __init ArcGetDisplayStatus(ULONG FileID) diff --git a/arch/mips/fw/arc/promlib.c b/arch/mips/fw/arc/promlib.c index 7e8ba5ce95be..93e1e70393ee 100644 --- a/arch/mips/fw/arc/promlib.c +++ b/arch/mips/fw/arc/promlib.c @@ -9,6 +9,22 @@ #include <linux/kernel.h> #include <asm/sgialib.h> #include <asm/bcache.h> +#include <asm/setup.h> + +#if defined(CONFIG_64BIT) && defined(CONFIG_FW_ARC32) +/* + * For 64bit kernels working with a 32bit ARC PROM pointer arguments + * for ARC calls need to reside in CKEG0/1. But as soon as the kernel + * switches to its first kernel thread stack is set to an address in + * XKPHYS, so anything on stack can't be used anymore. This is solved + * by using a * static declaration variables are put into BSS, which is + * linked to a CKSEG0 address. Since this is only used on UP platforms + * there is no spinlock needed + */ +#define O32_STATIC static +#else +#define O32_STATIC +#endif /* * IP22 boardcache is not compatible with board caches. Thus we disable it @@ -22,8 +38,10 @@ void prom_putchar(char c) { - ULONG cnt; - CHAR it = c; + O32_STATIC ULONG cnt; + O32_STATIC CHAR it; + + it = c; bc_disable(); ArcWrite(1, &it, 1, &cnt); @@ -32,8 +50,8 @@ void prom_putchar(char c) char prom_getchar(void) { - ULONG cnt; - CHAR c; + O32_STATIC ULONG cnt; + O32_STATIC CHAR c; bc_disable(); ArcRead(0, &c, 1, &cnt); diff --git a/arch/mips/fw/arc/salone.c b/arch/mips/fw/arc/salone.c deleted file mode 100644 index 9b568950d1fd..000000000000 --- a/arch/mips/fw/arc/salone.c +++ /dev/null @@ -1,24 +0,0 @@ -/* - * Routines to load into memory and execute stand-along program images using - * ARCS PROM firmware. - * - * Copyright (C) 1996 David S. Miller (davem@davemloft.net) - */ -#include <linux/init.h> -#include <asm/sgialib.h> - -LONG __init ArcLoad(CHAR *Path, ULONG TopAddr, ULONG *ExecAddr, ULONG *LowAddr) -{ - return ARC_CALL4(load, Path, TopAddr, ExecAddr, LowAddr); -} - -LONG __init ArcInvoke(ULONG ExecAddr, ULONG StackAddr, ULONG Argc, CHAR *Argv[], - CHAR *Envp[]) -{ - return ARC_CALL5(invoke, ExecAddr, StackAddr, Argc, Argv, Envp); -} - -LONG __init ArcExecute(CHAR *Path, LONG Argc, CHAR *Argv[], CHAR *Envp[]) -{ - return ARC_CALL4(exec, Path, Argc, Argv, Envp); -} diff --git a/arch/mips/fw/arc/time.c b/arch/mips/fw/arc/time.c deleted file mode 100644 index 190cdb50b895..000000000000 --- a/arch/mips/fw/arc/time.c +++ /dev/null @@ -1,25 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Extracting time information from ARCS prom. - * - * Copyright (C) 1996 David S. Miller (davem@davemloft.net) - */ -#include <linux/init.h> - -#include <asm/fw/arc/types.h> -#include <asm/sgialib.h> - -struct linux_tinfo * __init -ArcGetTime(VOID) -{ - return (struct linux_tinfo *) ARC_CALL0(get_tinfo); -} - -ULONG __init -ArcGetRelativeTime(VOID) -{ - return ARC_CALL0(get_rtime); -} diff --git a/arch/mips/fw/arc/tree.c b/arch/mips/fw/arc/tree.c deleted file mode 100644 index 924a37dc2569..000000000000 --- a/arch/mips/fw/arc/tree.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * PROM component device tree code. - * - * Copyright (C) 1996 David S. Miller (davem@davemloft.net) - * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org) - * Copyright (C) 1999 Silicon Graphics, Inc. - */ -#include <linux/init.h> -#include <asm/fw/arc/types.h> -#include <asm/sgialib.h> - -#undef DEBUG_PROM_TREE - -pcomponent * __init -ArcGetPeer(pcomponent *Current) -{ - if (Current == PROM_NULL_COMPONENT) - return PROM_NULL_COMPONENT; - - return (pcomponent *) ARC_CALL1(next_component, Current); -} - -pcomponent * __init -ArcGetChild(pcomponent *Current) -{ - return (pcomponent *) ARC_CALL1(child_component, Current); -} - -pcomponent * __init -ArcGetParent(pcomponent *Current) -{ - if (Current == PROM_NULL_COMPONENT) - return PROM_NULL_COMPONENT; - - return (pcomponent *) ARC_CALL1(parent_component, Current); -} - -LONG __init -ArcGetConfigurationData(VOID *Buffer, pcomponent *Current) -{ - return ARC_CALL2(component_data, Buffer, Current); -} - -pcomponent * __init -ArcAddChild(pcomponent *Current, pcomponent *Template, VOID *ConfigurationData) -{ - return (pcomponent *) - ARC_CALL3(child_add, Current, Template, ConfigurationData); -} - -LONG __init -ArcDeleteComponent(pcomponent *ComponentToDelete) -{ - return ARC_CALL1(comp_del, ComponentToDelete); -} - -pcomponent * __init -ArcGetComponent(CHAR *Path) -{ - return (pcomponent *)ARC_CALL1(component_by_path, Path); -} - -#ifdef DEBUG_PROM_TREE - -static char *classes[] = { - "system", "processor", "cache", "adapter", "controller", "peripheral", - "memory" -}; - -static char *types[] = { - "arc", "cpu", "fpu", "picache", "pdcache", "sicache", "sdcache", - "sccache", "memdev", "eisa adapter", "tc adapter", "scsi adapter", - "dti adapter", "multi-func adapter", "disk controller", - "tp controller", "cdrom controller", "worm controller", - "serial controller", "net controller", "display controller", - "parallel controller", "pointer controller", "keyboard controller", - "audio controller", "misc controller", "disk peripheral", - "floppy peripheral", "tp peripheral", "modem peripheral", - "monitor peripheral", "printer peripheral", "pointer peripheral", - "keyboard peripheral", "terminal peripheral", "line peripheral", - "net peripheral", "misc peripheral", "anonymous" -}; - -static char *iflags[] = { - "bogus", "read only", "removable", "console in", "console out", - "input", "output" -}; - -static void __init -dump_component(pcomponent *p) -{ - printk("[%p]:class<%s>type<%s>flags<%s>ver<%d>rev<%d>", - p, classes[p->class], types[p->type], - iflags[p->iflags], p->vers, p->rev); - printk("key<%08lx>\n\tamask<%08lx>cdsize<%d>ilen<%d>iname<%s>\n", - p->key, p->amask, (int)p->cdsize, (int)p->ilen, p->iname); -} - -static void __init -traverse(pcomponent *p, int op) -{ - dump_component(p); - if(ArcGetChild(p)) - traverse(ArcGetChild(p), 1); - if(ArcGetPeer(p) && op) - traverse(ArcGetPeer(p), 1); -} - -void __init -prom_testtree(void) -{ - pcomponent *p; - - p = ArcGetChild(PROM_NULL_COMPONENT); - dump_component(p); - p = ArcGetChild(p); - while(p) { - dump_component(p); - p = ArcGetPeer(p); - } -} - -#endif /* DEBUG_PROM_TREE */ |