introduce "struct platform", and remove "cputype" variable.
This commit is contained in:
soda
parent
fb93db6893
commit
22b59feda9
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@ -1,4 +1,4 @@
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/* $NetBSD: machdep.c,v 1.61 2001/06/02 18:09:09 chs Exp $ */
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/* $NetBSD: machdep.c,v 1.62 2001/06/13 15:39:13 soda Exp $ */
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/* $OpenBSD: machdep.c,v 1.36 1999/05/22 21:22:19 weingart Exp $ */
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/*
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@ -83,6 +83,7 @@
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#include <machine/bus.h>
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#include <machine/trap.h>
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#include <machine/autoconf.h>
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#include <machine/platform.h>
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#include <mips/pte.h>
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#include <mips/locore.h>
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#include <mips/cpuregs.h>
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@ -97,70 +98,22 @@
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#include <dev/ic/i8042reg.h>
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#include <dev/isa/isareg.h>
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#include <arc/arc/arctype.h>
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#include <arc/arc/arcbios.h>
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#include <arc/arc/wired_map.h>
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#include <arc/jazz/pica.h>
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#include <arc/jazz/rd94.h>
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#include <arc/jazz/pckbc_jazzioreg.h>
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#include <arc/dti/desktech.h>
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#include <arc/algor/algor.h>
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#include "rasdisplay_jazzio.h"
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#if NRASDISPLAY_JAZZIO > 0
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#include <arc/jazz/rasdisplay_jazziovar.h>
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#endif
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#include "tga.h"
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#if NTGA > 0
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#include <dev/pci/pcivar.h>
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#include <dev/pci/tgavar.h>
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#include <arc/pci/necpbvar.h>
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#endif
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#include "pc.h"
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#if NPC > 0
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#include <machine/pccons.h>
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#endif
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#include "vga_jazzio.h"
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#if NVGA_JAZZIO > 0
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#include <arc/jazz/vga_jazziovar.h>
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#endif
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#include "vga_isa.h"
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#if NVGA_ISA > 0
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#include <dev/ic/mc6845reg.h>
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#include <dev/ic/pcdisplayvar.h>
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#include <dev/isa/vga_isavar.h>
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#endif
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#include "pckbc_jazzio.h"
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#include "pckbc.h"
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#if NPCKBC > 0
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#include <dev/ic/pckbcvar.h>
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#endif
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#include "com.h"
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#if NCOM > 0
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#include <sys/termios.h>
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#include <dev/ic/comreg.h>
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#include <dev/ic/comvar.h>
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#endif
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#ifndef COMCONSOLE
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#define COMCONSOLE 0
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#endif
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#if NCOM > 0
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#ifndef COM_FREQ_MAGNUM
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#if 0
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#define COM_FREQ_MAGNUM 4233600 /* 4.2336MHz - ARC? */
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#else
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#define COM_FREQ_MAGNUM 8192000 /* 8.192 MHz - NEC RISCstation M402 */
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#ifndef CONADDR
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#define CONADDR 0 /* use default address if CONADDR isn't configured */
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#endif
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#endif /* COM_FREQ_MAGNUM */
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#ifndef CONSPEED
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#define CONSPEED TTYDEF_SPEED
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@ -173,7 +126,7 @@
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/* the following is used externally (sysctl_hw) */
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char machine[] = MACHINE; /* from <machine/param.h> */
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char machine_arch[] = MACHINE_ARCH; /* from <machine/param.h> */
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char cpu_model[30];
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char cpu_model[80];
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/* Our exported CPU info; we can have only one. */
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struct cpu_info cpu_info_store;
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@ -185,39 +138,37 @@ struct vm_map *phys_map = NULL;
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int maxmem; /* max memory per process */
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int physmem; /* max supported memory, changes to actual */
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int cputype; /* Mother board type */
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int ncpu = 1; /* At least one cpu in the system */
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int cpuspeed = 150; /* approx CPU clock [MHz] */
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vaddr_t kseg2iobufsize = 0; /* to reserve PTEs for KSEG2 I/O space */
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struct arc_bus_space arc_bus_io;/* Bus tag for bus.h macros */
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struct arc_bus_space arc_bus_mem;/* Bus tag for bus.h macros */
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struct arc_bus_space pica_bus; /* picabus for com.c/com_lbus.c */
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#if NCOM > 0
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int com_freq = COM_FREQ; /* unusual clock frequency of dev/ic/com.c */
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int com_console_address; /* Well, ain't it just plain stupid... */
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bus_space_tag_t comconstag = &arc_bus_io; /* com console bus */
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struct arc_bus_space *arc_bus_com = &arc_bus_io; /* com bus */
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#endif
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int com_console = COMCONSOLE;
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char **environment; /* On some arches, pointer to environment */
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char eth_hw_addr[6]; /* HW ether addr not stored elsewhere */
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int com_console_address = CONADDR;
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int com_console_speed = CONSPEED;
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int com_console_mode = CONMODE;
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#else
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#ifndef COMCONSOLE
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#error COMCONSOLE is defined without com driver configured.
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#endif
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int com_console = 0;
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#endif /* NCOM */
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char **environment; /* On some arches, pointer to environment */
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int mem_reserved[VM_PHYSSEG_MAX]; /* the cluster is reserved, i.e. not free */
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phys_ram_seg_t mem_clusters[VM_PHYSSEG_MAX];
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int mem_cluster_cnt;
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/* initialize bss, etc. from kernel start, before main() is called. */
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extern void mach_init __P((int argc, char *argv[], char *envv[]));
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extern void mach_init __P((int, char **argv, char **));
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void machine_ConfigCache __P((void));
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static void tlb_init_pica __P((void));
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static void tlb_init_nec_eisa __P((void));
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static void tlb_init_nec_pci __P((void));
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static void tlb_init_tyne __P((void));
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static int get_simm_size __P((int *, int));
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static char *getenv __P((char *env));
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static void arc_sysreset __P((bus_addr_t, bus_size_t));
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static void get_eth_hw_addr __P((char *));
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static int atoi __P((const char *, int));
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char *firmware_getenv __P((char *env));
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void arc_sysreset __P((bus_addr_t, bus_size_t));
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/*
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* safepri is a safe priority for sleep to set for a spin-wait
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@ -263,267 +214,37 @@ mach_init(argc, argv, envv)
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environment = &argv[1];
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/* Initialize the CPU type */
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cputype = bios_ident();
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if (cputype >= 0) { /* ARC BIOS present */
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if (bios_ident()) { /* ARC BIOS present */
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bios_init_console();
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bios_save_info();
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physmem = bios_configure_memory(mem_reserved, mem_clusters,
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&mem_cluster_cnt);
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}
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/*
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* Get config register now as mapped from BIOS since we are
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* going to demap these addresses later. We want as may TLB
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* entries as possible to do something useful :-).
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*/
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switch (cputype) {
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case ACER_PICA_61: /* ALI PICA 61 and MAGNUM is almost the */
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case MAGNUM: /* Same kind of hardware. NEC goes here too */
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switch (cputype) {
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case ACER_PICA_61:
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strcpy(cpu_model, "Acer Pica-61");
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break;
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case MAGNUM:
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strcpy(cpu_model, "MIPS Magnum");
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#if NCOM > 0
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com_freq = COM_FREQ_MAGNUM;
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#endif
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break;
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}
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arc_bus_space_init(&pica_bus, "picabus",
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R4030_P_LOCAL_IO_BASE, R4030_V_LOCAL_IO_BASE,
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R4030_V_LOCAL_IO_BASE, R4030_S_LOCAL_IO_BASE);
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arc_bus_space_init(&arc_bus_io, "picaisaio",
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PICA_P_ISA_IO, PICA_V_ISA_IO, 0, PICA_S_ISA_IO);
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arc_bus_space_init(&arc_bus_mem, "picaisamem",
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PICA_P_ISA_MEM, PICA_V_ISA_MEM, 0, PICA_S_ISA_MEM);
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#if NCOM > 0
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arc_bus_com = &pica_bus;
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comconstag = &pica_bus;
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com_console_address = PICA_SYS_COM1;
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#endif
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/*
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* Set up interrupt handling and I/O addresses.
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*/
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splvec.splnet = MIPS_INT_MASK_SPL3;
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splvec.splbio = MIPS_INT_MASK_SPL3;
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splvec.splvm = MIPS_INT_MASK_SPL3;
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splvec.spltty = MIPS_INT_MASK_SPL3;
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splvec.splclock = MIPS_INT_MASK_SPL5;
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splvec.splstatclock = MIPS_INT_MASK_SPL5;
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break;
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case NEC_R94:
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case NEC_RAx94:
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case NEC_RD94:
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case NEC_R96:
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case NEC_JC94:
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switch (cputype) {
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case NEC_R94:
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strcpy(cpu_model, "NEC-R94");
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break;
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case NEC_RAx94:
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strcpy(cpu_model, "NEC-RA'94");
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break;
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case NEC_RD94:
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strcpy(cpu_model, "NEC-RD94");
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break;
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case NEC_R96:
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strcpy(cpu_model, "NEC-R96");
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break;
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case NEC_JC94:
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strcpy(cpu_model, "NEC-JC94");
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break;
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}
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arc_bus_space_init(&pica_bus, "picabus",
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RD94_P_LOCAL_IO_BASE, RD94_V_LOCAL_IO_BASE,
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RD94_V_LOCAL_IO_BASE, RD94_S_LOCAL_IO_BASE);
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switch (cputype) {
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/* EISA machines */
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case NEC_R94:
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case NEC_R96:
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/* XXX - not really confirmed */
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arc_bus_space_init(&arc_bus_io, "rd94pciio",
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RD94_P_PCI_IO, RD94_V_PCI_IO, 0, RD94_S_PCI_IO);
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arc_bus_space_init(&arc_bus_mem, "rd94pcimem",
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RD94_P_PCI_MEM, RD94_V_PCI_MEM, 0, RD94_S_PCI_MEM);
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break;
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/* PCI machines */
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case NEC_RAx94: /* XXX - not really confirmed */
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case NEC_RD94:
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case NEC_JC94:
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arc_bus_space_init(&arc_bus_io, "rd94pciio",
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RD94_P_PCI_IO, RD94_V_PCI_IO, 0, RD94_S_PCI_IO);
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arc_bus_space_init(&arc_bus_mem, "rd94pcimem",
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RD94_P_PCI_MEM, RD94_V_PCI_MEM, 0, RD94_S_PCI_MEM);
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/*
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* By default, reserve 32MB in KSEG2 for PCI memory space.
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* Since kseg2iobufsize/NBPG*4 bytes are used for Sysmap,
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* this consumes 32KB physical memory.
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*
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* If a kernel with "options DIAGNOSTIC" panics with
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* the message "pmap_enter: kva too big", you have to
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* increase this value by a option like below:
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* options KSEG2IOBUFSIZE=0x1b000000 # 432MB consumes 432KB
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* If you met this symptom, please report it to
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* port-arc-maintainer@netbsd.org.
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*
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* kseg2iobufsize will be refered from pmap_bootstrap().
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*/
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kseg2iobufsize = 0x02000000;
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/* 32MB: consumes 32KB for PTEs */
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break;
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}
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#if NCOM > 0
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arc_bus_com = &pica_bus;
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comconstag = &pica_bus;
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com_console_address = RD94_SYS_COM1;
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#endif
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/*
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* Set up interrupt handling and I/O addresses.
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*/
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splvec.splnet = MIPS_INT_MASK_SPL2;
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splvec.splbio = MIPS_INT_MASK_SPL2;
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splvec.splvm = MIPS_INT_MASK_SPL2;
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splvec.spltty = MIPS_INT_MASK_SPL2;
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splvec.splclock = MIPS_INT_MASK_SPL5;
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splvec.splstatclock = MIPS_INT_MASK_SPL5;
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break;
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case DESKSTATION_RPC44:
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strcpy(cpu_model, "Deskstation rPC44");
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arc_bus_space_init(&arc_bus_io, "rpc44isaio",
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RPC44_P_ISA_IO, RPC44_V_ISA_IO, 0, RPC44_S_ISA_IO);
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arc_bus_space_init(&arc_bus_mem, "rpc44isamem",
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RPC44_P_ISA_MEM, RPC44_V_ISA_MEM, 0, RPC44_S_ISA_MEM);
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#if NCOM > 0
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com_console_address = 0; /* Don't screew the mouse... */
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#endif
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/*
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* XXX
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* - rewrite spl handling to allow ISA clock > bio|tty|net
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* or
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* - use MIP3_INTERNAL_TIMER_INTERRUPT for clock
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*/
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break;
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case DESKSTATION_TYNE:
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strcpy(cpu_model, "Deskstation Tyne");
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arc_bus_space_init(&arc_bus_io, "tyneisaio",
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TYNE_P_ISA_IO, TYNE_V_ISA_IO, 0, TYNE_S_ISA_IO);
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arc_bus_space_init(&arc_bus_mem, "tyneisamem",
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TYNE_P_ISA_MEM, TYNE_V_ISA_MEM, 0, TYNE_S_ISA_MEM);
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#if NCOM > 0
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com_console_address = 0; /* Don't screew the mouse... */
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#endif
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/*
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* XXX
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* - rewrite spl handling to allow ISA clock > bio|tty|net
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* or
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* - use MIP3_INTERNAL_TIMER_INTERRUPT for clock
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*/
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break;
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case SNI_RM200:
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strcpy(cpu_model, "Siemens Nixdorf RM200");
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#if 0
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arc_bus_space_init(&arc_bus_io, "rm200isaio",
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RM200_P_ISA_IO, RM200_V_ISA_IO, 0, RM200_S_ISA_IO);
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arc_bus_space_init(&arc_bus_mem, "rm200isamem",
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RM200_P_ISA_MEM, RM200_V_ISA_MEM, 0, RM200_S_ISA_MEM);
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#endif
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#if NCOM > 0
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com_console_address = 0; /* Don't screew the mouse... */
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#endif
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break;
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case -1: /* Not identified as an ARC system. We have a couple */
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/* of other options. Systems not having an ARC Bios */
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/* Make this more fancy when more comes in here */
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environment = envv;
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#if 0
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cputype = ALGOR_P4032;
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strcpy(cpu_model, "Algorithmics P-4032");
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arc_bus_space_init(&arc_bus_io, "p4032bus",
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0LL, MIPS_KSEG1_START,
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MIPS_KSEG1_START, MIPS_KSEG2_START - MIPS_KSEG1_START);
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/* stride: (1 << 2) == 4 byte alignment */
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arc_bus_space_set_aligned_stride(&arc_bus_io, 2);
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#if NCOM > 0
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com_console_address = P4032_COM1;
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#endif
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/* Initialize the CPU type */
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ident_platform();
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if (platform == NULL) {
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/* This is probably the best we can do... */
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printf("kernel not configured for this system:\n");
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printf("ID [%s] Vendor [%8.8s] Product [%02x",
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arc_id, arc_vendor_id, arc_product_id[0]);
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for (i = 1; i < sizeof(arc_product_id); i++)
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printf(":%02x", arc_product_id[i]);
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printf("]\n");
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printf("DisplayController [%s]\n", arc_displayc_id);
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#if 1
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for (;;)
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;
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#else
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cputype = ALGOR_P5064;
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strcpy(cpu_model, "Algorithmics P-5064");
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arc_bus_space_init(&arc_bus_io, "p5064bus",
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0LL, MIPS_KSEG1_START,
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MIPS_KSEG1_START, MIPS_KSEG2_START - MIPS_KSEG1_START);
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#if NCOM > 0
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com_console_address = P5064_COM1;
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#endif
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#endif
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mem_clusters[0].start = 0;
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mem_clusters[0].size =
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mips_trunc_page(MIPS_KSEG0_TO_PHYS(kernel_text));
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mem_clusters[1].start = MIPS_KSEG0_TO_PHYS((int)kernend);
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if (getenv("memsize") != 0) {
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i = atoi(getenv("memsize"), 10);
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i = 1024 * 1024 * i;
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mem_clusters[1].size =
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i - (int)(MIPS_KSEG0_TO_PHYS(kernend));
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mem_cluster_cnt = 2;
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physmem = i;
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} else {
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i = get_simm_size((int *)0, 128*1024*1024);
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mem_clusters[1].size =
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i - (int)(MIPS_KSEG0_TO_PHYS(kernend));
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physmem = i;
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/*XXX Ouch!!! */
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mem_clusters[2].start = i;
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mem_clusters[2].size = get_simm_size((int *)(i), 0);
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physmem += mem_clusters[2].size;
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mem_clusters[3].start = i+i/2;
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mem_clusters[3].size = get_simm_size((int *)(i+i/2), 0);
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mem_cluster_cnt = 4;
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physmem += mem_clusters[3].size;
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}
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/*XXX*/
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argv[0] = getenv("bootdev");
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if(argv[0] == 0)
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argv[0] = "unknown";
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break;
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|
||||
default: /* This is probably the best we can do... */
|
||||
printf("kernel not configured for this system\n");
|
||||
cpu_reboot(RB_HALT | RB_NOSYNC, NULL);
|
||||
#endif
|
||||
}
|
||||
|
||||
physmem = btoc(physmem);
|
||||
|
||||
/* look at argv[0] and compute bootdev for autoconfig setup */
|
||||
makebootdev(argv[0]);
|
||||
/* compute bootdev for autoconfig setup */
|
||||
cp = firmware_getenv("OSLOADPARTITION");
|
||||
makebootdev(cp != NULL ? cp : argv[0]);
|
||||
|
||||
/*
|
||||
* Look at arguments passed to us and compute boothowto.
|
||||
|
|
@ -538,10 +259,10 @@ mach_init(argc, argv, envv)
|
|||
#ifdef KADB
|
||||
boothowto |= RB_KDB;
|
||||
#endif
|
||||
get_eth_hw_addr(getenv("ethaddr"));
|
||||
cp = getenv("osloadoptions");
|
||||
if(cp) {
|
||||
while(*cp) {
|
||||
|
||||
cp = firmware_getenv("OSLOADOPTIONS");
|
||||
if (cp) {
|
||||
while (*cp) {
|
||||
switch (*cp++) {
|
||||
case 'a': /* autoboot */
|
||||
boothowto &= ~RB_SINGLE;
|
||||
|
|
@ -607,38 +328,10 @@ mach_init(argc, argv, envv)
|
|||
|
||||
arc_init_wired_map();
|
||||
|
||||
switch (cputype) {
|
||||
case ACER_PICA_61:
|
||||
case MAGNUM:
|
||||
tlb_init_pica();
|
||||
break;
|
||||
|
||||
case NEC_R94:
|
||||
case NEC_R96:
|
||||
tlb_init_nec_eisa();
|
||||
break;
|
||||
|
||||
case NEC_RAx94:
|
||||
case NEC_RD94:
|
||||
case NEC_JC94:
|
||||
tlb_init_nec_pci();
|
||||
break;
|
||||
|
||||
case DESKSTATION_TYNE:
|
||||
tlb_init_tyne();
|
||||
break;
|
||||
|
||||
case DESKSTATION_RPC44:
|
||||
break;
|
||||
|
||||
case ALGOR_P4032:
|
||||
case ALGOR_P5064:
|
||||
break;
|
||||
|
||||
case SNI_RM200:
|
||||
/*XXX*/
|
||||
break;
|
||||
}
|
||||
(*platform->init)();
|
||||
cpuspeed = platform->clock;
|
||||
sprintf(cpu_model, "%s %s%s",
|
||||
platform->vendor, platform->model, platform->variant);
|
||||
|
||||
#ifdef MFS
|
||||
/*
|
||||
|
|
@ -755,195 +448,27 @@ mach_init(argc, argv, envv)
|
|||
void
|
||||
machine_ConfigCache()
|
||||
{
|
||||
switch (cputype) {
|
||||
case ACER_PICA_61:
|
||||
#if 0 /* doesn't work */
|
||||
mips_L2CachePresent = 1;
|
||||
mips_L2CacheSize = 128 * 1024;
|
||||
#endif
|
||||
/*
|
||||
* if page zero in the idle loop is enabled,
|
||||
* commands dump core due to incoherent cache.
|
||||
*/
|
||||
vm_page_zero_enable = FALSE; /* XXX - should be enabled */
|
||||
break;
|
||||
case DESKSTATION_RPC44:
|
||||
case DESKSTATION_TYNE:
|
||||
case SNI_RM200:
|
||||
case ALGOR_P4032:
|
||||
case ALGOR_P5064:
|
||||
/* XXX - use safe default, since those are not tested. */
|
||||
vm_page_zero_enable = FALSE; /* XXX - should be enabled */
|
||||
break;
|
||||
case NEC_R94:
|
||||
mips_L2CacheSize = 512 * 1024;
|
||||
break;
|
||||
case NEC_RAx94:
|
||||
case NEC_RD94:
|
||||
case NEC_JC94:
|
||||
mips_L2CacheSize = 1024 * 1024;
|
||||
break;
|
||||
case NEC_R96:
|
||||
#if 0
|
||||
mips_L2CacheSize = 1 * 1024 * 1024;
|
||||
#else /* bigger is safer - XXX use arc bios to get the size */
|
||||
mips_L2CacheSize = 2 * 1024 * 1024;
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
tlb_init_pica()
|
||||
{
|
||||
arc_enter_wired(R4030_V_LOCAL_IO_BASE, R4030_P_LOCAL_IO_BASE,
|
||||
PICA_P_INT_SOURCE, MIPS3_PG_SIZE_256K);
|
||||
arc_enter_wired(PICA_V_LOCAL_VIDEO_CTRL, PICA_P_LOCAL_VIDEO_CTRL,
|
||||
PICA_P_LOCAL_VIDEO_CTRL + PICA_S_LOCAL_VIDEO_CTRL/2,
|
||||
MIPS3_PG_SIZE_1M);
|
||||
arc_enter_wired(PICA_V_EXTND_VIDEO_CTRL, PICA_P_EXTND_VIDEO_CTRL,
|
||||
PICA_P_EXTND_VIDEO_CTRL + PICA_S_EXTND_VIDEO_CTRL/2,
|
||||
MIPS3_PG_SIZE_1M);
|
||||
arc_enter_wired(PICA_V_LOCAL_VIDEO, PICA_P_LOCAL_VIDEO,
|
||||
PICA_P_LOCAL_VIDEO + PICA_S_LOCAL_VIDEO/2, MIPS3_PG_SIZE_4M);
|
||||
arc_enter_wired(PICA_V_ISA_IO, PICA_P_ISA_IO, PICA_P_ISA_MEM,
|
||||
MIPS3_PG_SIZE_16M);
|
||||
}
|
||||
|
||||
void
|
||||
tlb_init_nec_eisa()
|
||||
{
|
||||
arc_enter_wired(RD94_V_LOCAL_IO_BASE, RD94_P_LOCAL_IO_BASE, 0,
|
||||
MIPS3_PG_SIZE_256K);
|
||||
arc_enter_wired(PICA_V_LOCAL_VIDEO_CTRL, PICA_P_LOCAL_VIDEO_CTRL,
|
||||
PICA_P_LOCAL_VIDEO_CTRL + PICA_S_LOCAL_VIDEO_CTRL/2,
|
||||
MIPS3_PG_SIZE_1M);
|
||||
arc_enter_wired(PICA_V_EXTND_VIDEO_CTRL, PICA_P_EXTND_VIDEO_CTRL,
|
||||
PICA_P_EXTND_VIDEO_CTRL + PICA_S_EXTND_VIDEO_CTRL/2,
|
||||
MIPS3_PG_SIZE_1M);
|
||||
arc_enter_wired(PICA_V_LOCAL_VIDEO, PICA_P_LOCAL_VIDEO,
|
||||
PICA_P_LOCAL_VIDEO + PICA_S_LOCAL_VIDEO/2, MIPS3_PG_SIZE_4M);
|
||||
arc_enter_wired(RD94_V_PCI_IO, RD94_P_PCI_IO, RD94_P_PCI_MEM,
|
||||
MIPS3_PG_SIZE_16M);
|
||||
}
|
||||
|
||||
void
|
||||
tlb_init_nec_pci()
|
||||
{
|
||||
arc_enter_wired(RD94_V_LOCAL_IO_BASE, RD94_P_LOCAL_IO_BASE, 0,
|
||||
MIPS3_PG_SIZE_256K);
|
||||
arc_enter_wired(RD94_V_PCI_IO, RD94_P_PCI_IO, RD94_P_PCI_MEM,
|
||||
MIPS3_PG_SIZE_16M);
|
||||
}
|
||||
|
||||
void
|
||||
tlb_init_tyne()
|
||||
{
|
||||
arc_enter_wired(TYNE_V_BOUNCE, TYNE_P_BOUNCE, 0, MIPS3_PG_SIZE_256K);
|
||||
arc_enter_wired(TYNE_V_ISA_IO, TYNE_P_ISA_IO, 0, MIPS3_PG_SIZE_1M);
|
||||
arc_enter_wired(TYNE_V_ISA_MEM, TYNE_P_ISA_MEM, 0, MIPS3_PG_SIZE_1M);
|
||||
arc_enter_wired(0xe3000000, 0xfff00000, 0, MIPS3_PG_SIZE_4K);
|
||||
}
|
||||
|
||||
/*
|
||||
* Simple routine to figure out SIMM module size.
|
||||
* This code is a real hack and can surely be improved on... :-)
|
||||
*/
|
||||
static int
|
||||
get_simm_size(fadr, max)
|
||||
int *fadr;
|
||||
int max;
|
||||
{
|
||||
int msave;
|
||||
int msize;
|
||||
int ssize;
|
||||
static int a1 = 0, a2 = 0;
|
||||
static int s1 = 0, s2 = 0;
|
||||
|
||||
if(!max) {
|
||||
if(a1 == (int)fadr)
|
||||
return(s1);
|
||||
else if(a2 == (int)fadr)
|
||||
return(s2);
|
||||
else
|
||||
return(0);
|
||||
}
|
||||
fadr = (int *)MIPS_PHYS_TO_KSEG1(MIPS_KSEG0_TO_PHYS((int)fadr));
|
||||
|
||||
msize = max - 0x400000;
|
||||
ssize = msize - 0x400000;
|
||||
|
||||
/* Find bank size of last module */
|
||||
while(ssize >= 0) {
|
||||
msave = fadr[ssize / 4];
|
||||
fadr[ssize / 4] = 0xC0DEB00F;
|
||||
if(fadr[msize /4 ] == 0xC0DEB00F) {
|
||||
fadr[ssize / 4] = msave;
|
||||
if(fadr[msize/4] == msave) {
|
||||
break; /* Wrap around */
|
||||
}
|
||||
}
|
||||
fadr[ssize / 4] = msave;
|
||||
ssize -= 0x400000;
|
||||
}
|
||||
msize = msize - ssize;
|
||||
if(msize == max)
|
||||
return(msize); /* well it never wrapped... */
|
||||
|
||||
msave = fadr[0];
|
||||
fadr[0] = 0xC0DEB00F;
|
||||
if(fadr[msize / 4] == 0xC0DEB00F) {
|
||||
fadr[0] = msave;
|
||||
if(fadr[msize / 4] == msave)
|
||||
return(msize); /* First module wrap = size */
|
||||
}
|
||||
|
||||
/* Ooops! Two not equal modules. Find size of first + second */
|
||||
s1 = s2 = msize;
|
||||
ssize = 0;
|
||||
while(ssize < max) {
|
||||
msave = fadr[ssize / 4];
|
||||
fadr[ssize / 4] = 0xC0DEB00F;
|
||||
if(fadr[msize /4 ] == 0xC0DEB00F) {
|
||||
fadr[ssize / 4] = msave;
|
||||
if(fadr[msize/4] == msave) {
|
||||
break; /* Found end of module 1 */
|
||||
}
|
||||
}
|
||||
fadr[ssize / 4] = msave;
|
||||
ssize += s2;
|
||||
msize += s2;
|
||||
}
|
||||
|
||||
/* Is second bank dual sided? */
|
||||
fadr[(ssize+ssize/2)/4] = ~fadr[ssize];
|
||||
if(fadr[(ssize+ssize/2)/4] != fadr[ssize]) {
|
||||
a2 = ssize+ssize/2;
|
||||
}
|
||||
a1 = ssize;
|
||||
|
||||
return(ssize);
|
||||
mips_L2CacheSize = arc_cpu_l2cache_size;
|
||||
}
|
||||
|
||||
/*
|
||||
* Return a pointer to the given environment variable.
|
||||
*/
|
||||
static char *
|
||||
getenv(envname)
|
||||
char *
|
||||
firmware_getenv(envname)
|
||||
char *envname;
|
||||
{
|
||||
char **env = environment;
|
||||
int i;
|
||||
char **env;
|
||||
int l;
|
||||
|
||||
i = strlen(envname);
|
||||
l = strlen(envname);
|
||||
|
||||
while(*env) {
|
||||
if(strncasecmp(envname, *env, i) == 0 && (*env)[i] == '=') {
|
||||
return(&(*env)[i+1]);
|
||||
for (env = environment; env[0]; env++) {
|
||||
if (strncasecmp(envname, env[0], l) == 0 && env[0][l] == '=') {
|
||||
return (&env[0][l + 1]);
|
||||
}
|
||||
env++;
|
||||
}
|
||||
return(NULL);
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -960,125 +485,7 @@ consinit()
|
|||
return;
|
||||
initted = 1;
|
||||
|
||||
if (!com_console) {
|
||||
switch (cputype) {
|
||||
case ACER_PICA_61:
|
||||
#if NPC_JAZZIO > 0
|
||||
pccnattach();
|
||||
return;
|
||||
#endif
|
||||
#if NVGA_JAZZIO > 0
|
||||
if (vga_jazzio_cnattach() == 0) {
|
||||
#if NPCKBC_JAZZIO > 0
|
||||
pckbc_cnattach(&pica_bus, PICA_SYS_KBD,
|
||||
JAZZIO_KBCMDP, PCKBC_KBD_SLOT);
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
break;
|
||||
|
||||
case MAGNUM:
|
||||
case NEC_R94:
|
||||
#if NRASDISPLAY_JAZZIO > 0
|
||||
if (rasdisplay_jazzio_cnattach()) {
|
||||
#if NPCKBC_JAZZIO > 0
|
||||
pckbc_cnattach(&pica_bus, PICA_SYS_KBD,
|
||||
JAZZIO_KBCMDP, PCKBC_KBD_SLOT);
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
break;
|
||||
|
||||
case NEC_RAx94:
|
||||
#if 0 /* XXX - physical address unknown */
|
||||
#if NPC_JAZZIO > 0
|
||||
pccnattach();
|
||||
return;
|
||||
#endif
|
||||
#endif
|
||||
break;
|
||||
|
||||
case NEC_RD94:
|
||||
case NEC_JC94:
|
||||
#if NTGA > 0
|
||||
necpb_init(&necpb_configuration);
|
||||
/* XXX device number is hardcoded */
|
||||
if (tga_cnattach(&necpb_configuration.nc_iot,
|
||||
&necpb_configuration.nc_memt,
|
||||
&necpb_configuration.nc_pc, 0, 3, 0) == 0) {
|
||||
#if NPCKBC_JAZZIO > 0
|
||||
pckbc_cnattach(&pica_bus, PICA_SYS_KBD,
|
||||
JAZZIO_KBCMDP, PCKBC_KBD_SLOT);
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
break;
|
||||
|
||||
case NEC_R96:
|
||||
/* XXX - some machines have jazz, and others have vga */
|
||||
#if NPC_JAZZIO > 0
|
||||
pccnattach();
|
||||
return;
|
||||
#endif
|
||||
#if NVGA_JAZZIO > 0
|
||||
if (vga_jazzio_cnattach() == 0) {
|
||||
#if NPCKBC_JAZZIO > 0
|
||||
pckbc_cnattach(&pica_bus, PICA_SYS_KBD,
|
||||
JAZZIO_KBCMDP, PCKBC_KBD_SLOT);
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
#if NRASDISPLAY_JAZZIO > 0
|
||||
if (rasdisplay_jazzio_cnattach()) {
|
||||
#if NPCKBC_JAZZIO > 0
|
||||
pckbc_cnattach(&pica_bus, PICA_SYS_KBD,
|
||||
JAZZIO_KBCMDP, PCKBC_KBD_SLOT);
|
||||
#endif
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
break;
|
||||
|
||||
case DESKSTATION_TYNE:
|
||||
case DESKSTATION_RPC44:
|
||||
#if NPC_ISA > 0
|
||||
pccnattach();
|
||||
return;
|
||||
#endif
|
||||
#if NVGA_ISA > 0
|
||||
if (vga_isa_cnattach(&arc_bus_io, &arc_bus_mem) == 0) {
|
||||
#if NPCKBC > 0
|
||||
pckbc_cnattach(&arc_bus_io, IO_KBD, KBCMDP,
|
||||
PCKBC_KBD_SLOT);
|
||||
#endif
|
||||
}
|
||||
return;
|
||||
#endif
|
||||
break;
|
||||
|
||||
case ALGOR_P4032:
|
||||
case ALGOR_P5064:
|
||||
/* XXX For now... */
|
||||
break;
|
||||
|
||||
default:
|
||||
#if NVGA > 0
|
||||
vga_localbus_console();
|
||||
return;
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
#if NCOM > 0
|
||||
if (com_console_address)
|
||||
comcnattach(arc_bus_com, com_console_address,
|
||||
CONSPEED, com_freq, CONMODE);
|
||||
#endif
|
||||
(*platform->cons_init)();
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -1186,11 +593,6 @@ cpu_startup()
|
|||
* Set up buffers, so they can be used to read disk labels.
|
||||
*/
|
||||
bufinit();
|
||||
|
||||
/*
|
||||
* Set up CPU-specific registers, cache, etc.
|
||||
*/
|
||||
initcpu();
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -1280,24 +682,8 @@ cpu_reboot(howto, bootstr)
|
|||
printf("rebooting...\n");
|
||||
delay(1000000);
|
||||
|
||||
switch (cputype) {
|
||||
case ACER_PICA_61:
|
||||
case MAGNUM:
|
||||
case NEC_R94:
|
||||
case NEC_R96:
|
||||
case NEC_RD94:
|
||||
case NEC_JC94:
|
||||
arc_sysreset(PICA_SYS_KBD, JAZZIO_KBCMDP);
|
||||
break;
|
||||
case DESKSTATION_TYNE:
|
||||
arc_sysreset(TYNE_V_ISA_IO + IO_KBD, KBCMDP);
|
||||
break;
|
||||
case DESKSTATION_RPC44:
|
||||
arc_sysreset(RPC44_V_ISA_IO + IO_KBD, KBCMDP);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
(*platform->reset)();
|
||||
|
||||
__asm__(" li $2, 0xbfc00000; jr $2; nop\n");
|
||||
for (;;)
|
||||
; /* Forever */
|
||||
|
|
@ -1307,7 +693,7 @@ cpu_reboot(howto, bootstr)
|
|||
/*
|
||||
* Pass system reset command to keyboard controller (8042).
|
||||
*/
|
||||
static void
|
||||
void
|
||||
arc_sysreset(addr, cmd_offset)
|
||||
bus_addr_t addr;
|
||||
bus_size_t cmd_offset;
|
||||
|
|
@ -1353,109 +739,3 @@ microtime(tvp)
|
|||
lasttime = *tvp;
|
||||
splx(s);
|
||||
}
|
||||
|
||||
void
|
||||
initcpu()
|
||||
{
|
||||
|
||||
switch(cputype) {
|
||||
case ACER_PICA_61:
|
||||
case MAGNUM:
|
||||
/*
|
||||
* Disable all interrupts. New masks will be set up
|
||||
* during system configuration
|
||||
*/
|
||||
out16(PICA_SYS_LB_IE,0x000);
|
||||
out32(R4030_SYS_EXT_IMASK, 0x00);
|
||||
break;
|
||||
|
||||
case NEC_R94:
|
||||
case NEC_RAx94:
|
||||
case NEC_RD94:
|
||||
case NEC_R96:
|
||||
case NEC_JC94:
|
||||
out16(RD94_SYS_LB_IE1, 0);
|
||||
out16(RD94_SYS_LB_IE2, 0);
|
||||
out32(RD94_SYS_EXT_IMASK, 0);
|
||||
break;
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Convert "xx:xx:xx:xx:xx:xx" string to ethernet hardware address.
|
||||
*/
|
||||
static void
|
||||
get_eth_hw_addr(s)
|
||||
char *s;
|
||||
{
|
||||
int i;
|
||||
if(s != NULL) {
|
||||
for(i = 0; i < 6; i++) {
|
||||
eth_hw_addr[i] = atoi(s, 16);
|
||||
s += 3; /* Don't get to fancy here :-) */
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Convert an ASCII string into an integer.
|
||||
*/
|
||||
static int
|
||||
atoi(s, b)
|
||||
const char *s;
|
||||
int b;
|
||||
{
|
||||
int c;
|
||||
unsigned base = b, d;
|
||||
int neg = 0, val = 0;
|
||||
|
||||
if (s == 0 || (c = *s++) == 0)
|
||||
goto out;
|
||||
|
||||
/* skip spaces if any */
|
||||
while (c == ' ' || c == '\t')
|
||||
c = *s++;
|
||||
|
||||
/* parse sign, allow more than one (compat) */
|
||||
while (c == '-') {
|
||||
neg = !neg;
|
||||
c = *s++;
|
||||
}
|
||||
|
||||
/* parse base specification, if any */
|
||||
if (c == '0') {
|
||||
c = *s++;
|
||||
switch (c) {
|
||||
case 'X':
|
||||
case 'x':
|
||||
base = 16;
|
||||
c = *s++;
|
||||
break;
|
||||
case 'B':
|
||||
case 'b':
|
||||
base = 2;
|
||||
c = *s++;
|
||||
break;
|
||||
default:
|
||||
base = 8;
|
||||
}
|
||||
}
|
||||
|
||||
/* parse number proper */
|
||||
for (;;) {
|
||||
if (c >= '0' && c <= '9')
|
||||
d = c - '0';
|
||||
else if (c >= 'a' && c <= 'z')
|
||||
d = c - 'a' + 10;
|
||||
else if (c >= 'A' && c <= 'Z')
|
||||
d = c - 'A' + 10;
|
||||
else
|
||||
break;
|
||||
val *= base;
|
||||
val += d;
|
||||
c = *s++;
|
||||
}
|
||||
if (neg)
|
||||
val = -val;
|
||||
out:
|
||||
return val;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue