^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * This file is subject to the terms and conditions of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * License. See the file "COPYING" in the main directory of this archive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * identify.c: identify machine by looking up system identifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright (C) 1998 Thomas Bogendoerfer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * This code is based on arch/mips/sgi/kernel/system.c, which is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/bug.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <asm/sgialib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <asm/bootinfo.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct smatch {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) char *arcname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) char *liname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) int flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static struct smatch mach_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) .arcname = "SGI-IP22",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) .liname = "SGI Indy",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) .flags = PROM_FLAG_ARCS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) .arcname = "SGI-IP28",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) .liname = "SGI IP28",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) .flags = PROM_FLAG_ARCS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) .arcname = "SGI-IP30",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) .liname = "SGI Octane",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) .flags = PROM_FLAG_ARCS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) .arcname = "SGI-IP32",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) .liname = "SGI O2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) .flags = PROM_FLAG_ARCS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .arcname = "Microsoft-Jazz",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .liname = "Jazz MIPS_Magnum_4000",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .flags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .arcname = "PICA-61",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .liname = "Jazz Acer_PICA_61",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .flags = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) .arcname = "RM200PCI",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .liname = "SNI RM200_PCI",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .flags = PROM_FLAG_DONT_FREE_TEMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .arcname = "RM200PCI-R5K",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .liname = "SNI RM200_PCI-R5K",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .flags = PROM_FLAG_DONT_FREE_TEMP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) int prom_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static struct smatch * __init string_to_mach(const char *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) for (i = 0; i < ARRAY_SIZE(mach_table); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if (!strcmp(s, mach_table[i].arcname))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) return &mach_table[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) panic("Yeee, could not determine architecture type <%s>", s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) char *system_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) const char *get_system_type(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) return system_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static pcomponent * __init ArcGetChild(pcomponent *Current)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return (pcomponent *) ARC_CALL1(child_component, Current);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) void __init prom_identify_arch(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) pcomponent *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct smatch *mach;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) const char *iname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) * The root component tells us what machine architecture we have here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) p = ArcGetChild(PROM_NULL_COMPONENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) if (p == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) iname = "Unknown";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) iname = (char *) (long) p->iname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) printk("ARCH: %s\n", iname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) mach = string_to_mach(iname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) system_type = mach->liname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) prom_flags = mach->flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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