/*      $NetBSD: machdep.c,v 1.55 2024/05/13 00:08:06 msaitoh Exp $     */
/*      $OpenBSD: zaurus_machdep.c,v 1.25 2006/06/20 18:24:04 todd Exp $        */

/*
 * Copyright (c) 2002, 2003  Genetec Corporation.  All rights reserved.
 * Written by Hiroyuki Bessho for Genetec Corporation.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of Genetec Corporation may not be used to endorse or
 *    promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * Machine dependent functions for kernel setup for
 * Intel DBPXA250 evaluation board (a.k.a. Lubbock).
 * Based on iq80310_machhdep.c
 */

/*
 * Copyright (c) 2001 Wasabi Systems, Inc.
 * All rights reserved.
 *
 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed for the NetBSD Project by
 *      Wasabi Systems, Inc.
 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
 *    or promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * Copyright (c) 1997,1998 Mark Brinicombe.
 * Copyright (c) 1997,1998 Causality Limited.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Mark Brinicombe
 *      for the NetBSD Project.
 * 4. The name of the company nor the name of the author may be used to
 *    endorse or promote products derived from this software without specific
 *    prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * Machine dependent functions for kernel setup for Intel IQ80310 evaluation
 * boards using RedBoot firmware.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.55 2024/05/13 00:08:06 msaitoh Exp $");

#include "opt_ddb.h"
#include "opt_kgdb.h"
#include "opt_modular.h"
#include "opt_md.h"
#include "opt_com.h"
#include "ksyms.h"

#include "opt_kloader.h"
#ifndef KLOADER_KERNEL_PATH
#define KLOADER_KERNEL_PATH     "/netbsd"
#endif

#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/exec.h>
#include <sys/proc.h>
#include <sys/msgbuf.h>
#include <sys/reboot.h>
#include <sys/termios.h>
#include <sys/boot_flag.h>
#include <sys/cpu.h>
#include <sys/conf.h>
#include <sys/queue.h>
#include <sys/bus.h>

#include <uvm/uvm_extern.h>

#include <dev/cons.h>

#include <dev/ic/comreg.h>

#include <machine/db_machdep.h>
#include <ddb/db_sym.h>
#include <ddb/db_extern.h>
#ifdef KGDB
#include <sys/kgdb.h>
#endif

#include <machine/bootconfig.h>
#include <machine/bootinfo.h>
#ifdef KLOADER
#include <machine/kloader.h>
#endif

#include <arm/locore.h>
#include <arm/undefined.h>
#include <arm/arm32/machdep.h>

#include <arm/xscale/pxa2x0cpu.h>
#include <arm/xscale/pxa2x0reg.h>
#include <arm/xscale/pxa2x0var.h>
#include <arm/xscale/pxa2x0_gpio.h>

#include <arm/sa11x0/sa11x0_ostvar.h>

#include <arch/zaurus/zaurus/zaurus_reg.h>
#include <arch/zaurus/zaurus/zaurus_var.h>

#include <zaurus/dev/scoopreg.h>
#include <zaurus/dev/zlcdvar.h>
#include <zaurus/dev/w100lcdvar.h>

#if 0   /* XXX */
#include "apm.h"
#endif  /* XXX */
#if NAPM > 0
#include <zaurus/dev/zapmvar.h>
#endif

/* Kernel text starts 2MB in from the bottom of the kernel address space. */
#define KERNEL_TEXT_BASE        ((vaddr_t)&KERNEL_BASE_virt)
#ifndef KERNEL_VM_BASE
#define KERNEL_VM_BASE          (KERNEL_BASE + 0x01000000)
#endif

/*
 * The range 0xc4000000 - 0xcfffffff is available for kernel VM space
 * Core-logic registers and I/O mappings occupy 0xfd000000 - 0xffffffff
 */
#define KERNEL_VM_SIZE          0x0c000000

int zaurusmod;                  /* Zaurus model */

BootConfig bootconfig;          /* Boot config storage */
char *boot_file = NULL;
char *boot_args = NULL;

paddr_t physical_start;
paddr_t physical_freestart;
paddr_t physical_freeend;
paddr_t physical_end;
u_int free_pages;

#ifndef PMAP_STATIC_L1S
int max_processes = 64;                 /* Default number */
#endif  /* !PMAP_STATIC_L1S */

/* Physical and virtual addresses for some global pages */
pv_addr_t minidataclean;

paddr_t msgbufphys;

#define KERNEL_PT_SYS           0       /* Page table for mapping proc0 zero page */
#define KERNEL_PT_KERNEL        1       /* Page table for mapping kernel */
#define KERNEL_PT_KERNEL_NUM    ((KERNEL_VM_BASE - KERNEL_BASE) >> 22)
#define KERNEL_PT_VMDATA        (KERNEL_PT_KERNEL + KERNEL_PT_KERNEL_NUM)
                                        /* Page tables for mapping kernel VM */
#define KERNEL_PT_VMDATA_NUM    4       /* start with 16MB of KVM */
#define NUM_KERNEL_PTS          (KERNEL_PT_VMDATA + KERNEL_PT_VMDATA_NUM)

pv_addr_t kernel_pt_table[NUM_KERNEL_PTS];

const char *console =
#ifdef FFUARTCONSOLE
        "ffuart";
#else
        "glass";
#endif
int glass_console = 0;

#ifdef KLOADER
pv_addr_t bootinfo_pt;
pv_addr_t bootinfo_pg;
struct kloader_bootinfo kbootinfo;
int kloader_howto = 0;
#else
struct bootinfo _bootinfo;
#endif
struct bootinfo *bootinfo;
struct btinfo_howto *bi_howto;

extern char etext[], end[];
extern void *esym;
#if NKSYMS || defined(DDB) || defined(MODULAR)
#include <sys/exec_elf.h>
#endif

#define KERNEL_BASE_PHYS        ((paddr_t)&KERNEL_BASE_phys)
#define BOOTINFO_PAGE           (KERNEL_BASE_PHYS - PAGE_SIZE)

/* Prototypes */
void    consinit(void);
void    dumpsys(void);
#ifdef KGDB
void    kgdb_port_init(void);
#endif
#ifdef KLOADER
static int parseboot(char *arg, char **filename, int *howto);
static char *gettrailer(char *arg);
static int parseopts(const char *opts, int *howto);
#endif

#if defined(CPU_XSCALE_PXA250)
static struct pxa2x0_gpioconf pxa25x_boarddep_gpioconf[] = {
        {  34, GPIO_ALT_FN_1_IN },      /* FFRXD */
        {  35, GPIO_ALT_FN_1_IN },      /* FFCTS */
        {  39, GPIO_ALT_FN_2_OUT },     /* FFTXD */
        {  40, GPIO_ALT_FN_2_OUT },     /* FFDTR */
        {  41, GPIO_ALT_FN_2_OUT },     /* FFRTS */

        {  44, GPIO_ALT_FN_1_IN },      /* BTCST */
        {  45, GPIO_ALT_FN_2_OUT },     /* BTRST */

        { -1 }
};
static struct pxa2x0_gpioconf *pxa25x_zaurus_gpioconf[] = {
        pxa25x_com_btuart_gpioconf,
        pxa25x_com_ffuart_gpioconf,
        pxa25x_com_stuart_gpioconf,
        pxa25x_boarddep_gpioconf,
        NULL
};
#else
static struct pxa2x0_gpioconf *pxa25x_zaurus_gpioconf[] = {
        NULL
};
#endif
#if defined(CPU_XSCALE_PXA270)
static struct pxa2x0_gpioconf pxa27x_boarddep_gpioconf[] = {
        {  34, GPIO_ALT_FN_1_IN },      /* FFRXD */
        {  35, GPIO_ALT_FN_1_IN },      /* FFCTS */
        {  39, GPIO_ALT_FN_2_OUT },     /* FFTXD */
        {  40, GPIO_ALT_FN_2_OUT },     /* FFDTR */
        {  41, GPIO_ALT_FN_2_OUT },     /* FFRTS */

        {  44, GPIO_ALT_FN_1_IN },      /* BTCST */
        {  45, GPIO_ALT_FN_2_OUT },     /* BTRST */

        { 104, GPIO_ALT_FN_1_OUT },     /* pSKTSEL */

        { -1 }
};
static struct pxa2x0_gpioconf *pxa27x_zaurus_gpioconf[] = {
        pxa27x_com_btuart_gpioconf,
        pxa27x_com_ffuart_gpioconf,
        pxa27x_com_stuart_gpioconf,
        pxa27x_i2c_gpioconf,
        pxa27x_i2s_gpioconf,
        pxa27x_pxamci_gpioconf,
        pxa27x_boarddep_gpioconf,
        NULL
};
#else
static struct pxa2x0_gpioconf *pxa27x_zaurus_gpioconf[] = {
        NULL
};
#endif

/*
 * void cpu_reboot(int howto, char *bootstr)
 *
 * Reboots the system
 *
 * Deal with any syncing, unmounting, dumping and shutdown hooks,
 * then reset the CPU.
 */
void
cpu_reboot(int howto, char *bootstr)
{
        /*
         * If we are still cold then hit the air brakes
         * and crash to earth fast
         */
        if (cold) {
                howto |= RB_HALT;
                goto haltsys;
        }

        boothowto = howto;

#ifdef KLOADER
        if ((howto & RB_HALT) == 0 && panicstr == NULL) {
                char *filename = NULL;

                if ((howto & RB_STRING) && (bootstr != NULL)) {
                        if (parseboot(bootstr, &filename, &kloader_howto) == 0){
                                filename = NULL;
                                kloader_howto = 0;
                        }
                }
                if (kloader_howto != 0) {
                        printf("howto: 0x%x\n", kloader_howto);
                }
                if (filename != NULL) {
                        kloader_reboot_setup(filename);
                } else {
                        kloader_reboot_setup(KLOADER_KERNEL_PATH);
                }
        }
#endif

        /*
         * If RB_NOSYNC was not specified sync the discs.
         * Note: Unless cold is set to 1 here, syslogd will die during the
         * unmount.  It looks like syslogd is getting woken up only to find
         * that it cannot page part of the binary in as the filesystem has
         * been unmounted.
         */
        if (!(howto & RB_NOSYNC)) {
                bootsync();
        }

        /* Wait 3s */
        delay(3 * 1000 * 1000);

        /* Say NO to interrupts */
        splhigh();

        /* Do a dump if requested. */
        if ((howto & (RB_DUMP | RB_HALT)) == RB_DUMP)
                dumpsys();

haltsys:
        /* Run any shutdown hooks */
        doshutdownhooks();

        pmf_system_shutdown(boothowto);

        /* Make sure IRQ's are disabled */
        IRQdisable;

        if (howto & RB_HALT) {
#if NAPM > 0
                if (howto & RB_POWERDOWN) {
                        printf("\nAttempting to power down...\n");
                        zapm_poweroff();
                }
#endif
                printf("The operating system has halted.\n");
                printf("Please press any key to reboot.\n\n");
                cngetc();
        }
#ifdef KLOADER
        else if (panicstr == NULL) {
                delay(1 * 1000 * 1000);
                kloader_reboot();
                printf("\n");
                printf("Failed to load a new kernel.\n");
                printf("Please press any key to reboot.\n\n");
                cngetc();
        }
#endif

        printf("rebooting...\n");
        delay(1 * 1000 * 1000);
        zaurus_restart();

        printf("REBOOT FAILED!!!\n");
        for (;;)
                continue;
        /*NOTREACHED*/
}

/*
 * Do a GPIO reset, immediately causing the processor to begin the normal
 * boot sequence.  See 2.7 Reset in the PXA27x Developer's Manual for the
 * summary of effects of this kind of reset.
 */
void
zaurus_restart(void)
{
        uint32_t rv;

        if (ZAURUS_ISC1000 || ZAURUS_ISC3000) {
                rv = pxa2x0_memctl_read(MEMCTL_MSC0);
                if ((rv & 0xffff0000) == 0x7ff00000) {
                        pxa2x0_memctl_write(MEMCTL_MSC0,
                            (rv & 0xffff) | 0x7ee00000);
                }

                /* External reset circuit presumably asserts nRESET_GPIO. */
                pxa2x0_gpio_set_function(89, GPIO_OUT | GPIO_SET);
        } else {
                /* SL-C7x0/SL-C860 */
                /* Clear all reset status */
                ioreg_write(ZAURUS_POWMAN_VBASE + POWMAN_RCSR,
                    POWMAN_HWR|POWMAN_WDR|POWMAN_SMR|POWMAN_GPR);

                /* watchdog reset */
                saost_reset();
        }
        delay(1 * 1000 * 1000); /* wait 1s */
}

static inline pd_entry_t *
read_ttb(void)
{
        u_long ttb;

        __asm volatile("mrc p15, 0, %0, c2, c0, 0" : "=r" (ttb));

        return (pd_entry_t *)(ttb & ~((1 << 14) - 1));
}

/*
 * Static device mappings. These peripheral registers are mapped at
 * fixed virtual addresses very early in initarm() so that we can use
 * them while booting the kernel, and stay at the same address
 * throughout whole kernel's life time.
 *
 * We use this table twice; once with bootstrap page table, and once
 * with kernel's page table which we build up in initarm().
 *
 * Since we map these registers into the bootstrap page table using
 * pmap_devmap_bootstrap() which calls pmap_map_chunk(), we map
 * registers segment-aligned and segment-rounded in order to avoid
 * using the 2nd page tables.
 */
static const struct pmap_devmap zaurus_devmap[] = {
    DEVMAP_ENTRY(
            ZAURUS_GPIO_VBASE,
            PXA2X0_GPIO_BASE,
            PXA2X0_GPIO_SIZE
    ),
    DEVMAP_ENTRY(
            ZAURUS_CLKMAN_VBASE,
            PXA2X0_CLKMAN_BASE,
            PXA2X0_CLKMAN_SIZE
    ),
    DEVMAP_ENTRY(
            ZAURUS_INTCTL_VBASE,
            PXA2X0_INTCTL_BASE,
            PXA2X0_INTCTL_SIZE
    ),
    DEVMAP_ENTRY(
            ZAURUS_MEMCTL_VBASE,
            PXA2X0_MEMCTL_BASE,
            PXA2X0_MEMCTL_SIZE
    ),
    DEVMAP_ENTRY(
            ZAURUS_SCOOP0_VBASE,
            C3000_SCOOP0_BASE,
            SCOOP_SIZE
    ),
    DEVMAP_ENTRY(
            ZAURUS_SCOOP1_VBASE,
            C3000_SCOOP1_BASE,
            SCOOP_SIZE
    ),
    DEVMAP_ENTRY(
            ZAURUS_FFUART_VBASE,
            PXA2X0_FFUART_BASE,
            4 * COM_NPORTS
    ),
    DEVMAP_ENTRY(
            ZAURUS_BTUART_VBASE,
            PXA2X0_BTUART_BASE,
            4 * COM_NPORTS
    ),
    DEVMAP_ENTRY(
            ZAURUS_STUART_VBASE,
            PXA2X0_STUART_BASE,
            4 * COM_NPORTS
    ),
    DEVMAP_ENTRY(
            ZAURUS_POWMAN_VBASE,
            PXA2X0_POWMAN_BASE,
            PXA2X0_POWMAN_SIZE
    ),

    DEVMAP_ENTRY_END
};

void green_on(int virt);
void
green_on(int virt)
{
        /* clobber green led p */
        volatile uint16_t *p;

        if (virt) {
                p = (volatile uint16_t *)(ZAURUS_SCOOP0_VBASE + SCOOP_GPWR);
        } else {
                p = (volatile uint16_t *)(C3000_SCOOP0_BASE + SCOOP_GPWR);
        }

        *p |= (1 << SCOOP0_LED_GREEN);
}

void irda_on(int virt);
void
irda_on(int virt)
{
        /* clobber IrDA led p */
        volatile uint16_t *p;

        if (virt) {
                /* XXX scoop1 registers are not page-aligned! */
                int o = C3000_SCOOP1_BASE - trunc_page(C3000_SCOOP1_BASE);
                p = (volatile uint16_t *)(ZAURUS_SCOOP1_VBASE + o + SCOOP_GPWR);
        } else {
                p = (volatile uint16_t *)(C3000_SCOOP1_BASE + SCOOP_GPWR);
        }

        *p &= ~(1 << SCOOP1_IR_ON);
}

static int
hw_isc1000(void)
{
        /* XXX scoop1 registers are not page-aligned! */
        const u_long baseaddr = ZAURUS_SCOOP1_VBASE +
            (C3000_SCOOP1_BASE - trunc_page(C3000_SCOOP1_BASE));
        uint16_t mcr, cdr, csr, cpr, ccr, irr, irm, imr, isr;
        uint16_t gpcr, gpwr, gprr;

        mcr = ioreg16_read(baseaddr + SCOOP_MCR);
        cdr = ioreg16_read(baseaddr + SCOOP_CDR);
        csr = ioreg16_read(baseaddr + SCOOP_CSR);
        cpr = ioreg16_read(baseaddr + SCOOP_CPR);
        ccr = ioreg16_read(baseaddr + SCOOP_CCR);
        irr = ioreg16_read(baseaddr + SCOOP_IRR);
        irm = ioreg16_read(baseaddr + SCOOP_IRM);
        imr = ioreg16_read(baseaddr + SCOOP_IMR);
        isr = ioreg16_read(baseaddr + SCOOP_ISR);
        gpcr = ioreg16_read(baseaddr + SCOOP_GPCR);
        gpwr = ioreg16_read(baseaddr + SCOOP_GPWR);
        gprr = ioreg16_read(baseaddr + SCOOP_GPRR);

        if (mcr == 0 && cdr == 0 && csr == 0 && cpr == 0 && ccr == 0 &&
            irr == 0 && irm == 0 && imr == 0 && isr == 0 &&
            gpcr == 0 && gpwr == 0 && gprr == 0) {
            /* scoop1 isn't found: hardware is SL-C1000 */
            return 1;
        }
        return 0;
}

/*
 * vaddr_t initarm(...)
 *
 * Initial entry point on startup. This gets called before main() is
 * entered.
 * It should be responsible for setting up everything that must be
 * in place when main is called.
 * This includes
 *   Taking a copy of the boot configuration structure.
 *   Initialising the physical console so characters can be printed.
 *   Setting up page tables for the kernel
 *   Relocating the kernel to the bottom of physical memory
 */
vaddr_t
initarm(void *arg)
{
        extern char KERNEL_BASE_phys[], KERNEL_BASE_virt[];
        int loop;
        int loop1;
        u_int l1pagetable;
        paddr_t memstart;
        psize_t memsize;
        struct pxa2x0_gpioconf **zaurus_gpioconf;
        u_int *magicaddr;
#if NKSYMS || defined(DDB) || defined(MODULAR)
        u_int symbolsize;
#endif

        /* Get ready for zaurus_restart() */
        pxa2x0_memctl_bootstrap(PXA2X0_MEMCTL_BASE);

        /*
         * Heads up ... Setup the CPU / MMU / TLB functions
         */
        if (set_cpufuncs())
                panic("cpu not recognized!");

        /* Get ready for splfoo() */
        pxa2x0_intr_bootstrap(PXA2X0_INTCTL_BASE);

        /* map some peripheral registers at static I/O area */
        pmap_devmap_bootstrap((vaddr_t)read_ttb(), zaurus_devmap);

        /* set new memctl register address so that zaurus_restart() doesn't
           touch illegal address. */
        pxa2x0_memctl_bootstrap(ZAURUS_MEMCTL_VBASE);

        /* set new intc register address so that splfoo() doesn't
           touch illegal address.  */
        pxa2x0_intr_bootstrap(ZAURUS_INTCTL_VBASE);

        /*
         * Examine the boot args string for options we need to know about
         * now.
         */
        magicaddr = (u_int *)(KERNEL_BASE_PHYS - BOOTARGS_BUFSIZ);
        if (*magicaddr == BOOTARGS_MAGIC) {
#ifdef KLOADER
                bootinfo = &kbootinfo.bootinfo;
#else
                bootinfo = &_bootinfo;
#endif
                memcpy(bootinfo, (void *)(KERNEL_BASE_PHYS - BOOTINFO_MAXSIZE),
                    BOOTINFO_MAXSIZE);
                bi_howto = lookup_bootinfo(BTINFO_HOWTO);
                boothowto = (bi_howto != NULL) ? bi_howto->howto : RB_AUTOBOOT;
        } else {
                boothowto = RB_AUTOBOOT;
        }
        *magicaddr = 0xdeadbeef;
        if (boothowto & RB_MD1) {
                /* serial console */
                console = "ffuart";
        }

        memstart = PXA2X0_SDRAM0_START;
        memsize =  0x04000000; /* 64MB */

        /*
         * This test will work for now but has to be revised when support
         * for other models is added.
         */
        if ((cputype & ~CPU_ID_XSCALE_COREREV_MASK) == CPU_ID_PXA27X) {
                if (hw_isc1000())
                        zaurusmod = ZAURUS_C1000;       /* SL-C1000 */
                else
                        zaurusmod = ZAURUS_C3000;       /* SL-C3x00 */
                zaurus_gpioconf = pxa27x_zaurus_gpioconf;
        } else {
                zaurusmod = ZAURUS_C860;                /* SL-C7x0/860 */
                if (cputype == CPU_ID_PXA250B) {
                        /* SL-C700 */
                        memsize =  0x02000000;          /* 32MB */
                }
                zaurus_gpioconf = pxa25x_zaurus_gpioconf;
        }

        /* setup a serial console for very early boot */
        pxa2x0_gpio_bootstrap(ZAURUS_GPIO_VBASE);
        pxa2x0_gpio_config(zaurus_gpioconf);
        pxa2x0_clkman_bootstrap(ZAURUS_CLKMAN_VBASE);
        if (strcmp(console, "glass") != 0)
                consinit();
#ifdef KGDB
        kgdb_port_init();
#endif

#ifdef VERBOSE_INIT_ARM
        /* Talk to the user */
        printf("\nNetBSD/zaurus booting ...\n");
#endif

#ifdef KLOADER
        /* copy boot parameter for kloader */
        kloader_bootinfo_set(&kbootinfo, 0, NULL, NULL, true);
#endif

#ifdef VERBOSE_INIT_ARM
        printf("initarm: Configuring system ...\n");
#endif

        /* Fake bootconfig structure for the benefit of pmap.c */
        /* XXX must make the memory description h/w independent */
        bootconfig.dramblocks = 1;
        bootconfig.dram[0].address = memstart;
        bootconfig.dram[0].pages = memsize / PAGE_SIZE;

        /*
         * Set up the variables that define the availability of
         * physical memory.  For now, we're going to set
         * physical_freestart to 0xa0200000 (where the kernel
         * was loaded), and allocate the memory we need downwards.
         * If we get too close to the page tables that RedBoot
         * set up, we will panic.  We will update physical_freestart
         * and physical_freeend later to reflect what pmap_bootstrap()
         * wants to see.
         *
         * XXX pmap_bootstrap() needs an enema.
         */
        physical_start = bootconfig.dram[0].address;
        physical_end = physical_start + (bootconfig.dram[0].pages * PAGE_SIZE);

        physical_freestart = PXA2X0_SDRAM0_START + 0x9000;
        physical_freeend = BOOTINFO_PAGE;

        physmem = (physical_end - physical_start) / PAGE_SIZE;

#ifdef VERBOSE_INIT_ARM
        /* Tell the user about the memory */
        printf("physmemory: %lu pages at 0x%08lx -> 0x%08lx\n", physmem,
            physical_start, physical_end - 1);
#endif

        /*
         * Okay, the kernel starts 2MB in from the bottom of physical
         * memory.  We are going to allocate our bootstrap pages downwards
         * from there.
         *
         * We need to allocate some fixed page tables to get the kernel
         * going.  We allocate one page directory and a number of page
         * tables and store the physical addresses in the kernel_pt_table
         * array.
         *
         * The kernel page directory must be on a 16K boundary.  The page
         * tables must be on 4K boundaries.  What we do is allocate the
         * page directory on the first 16K boundary that we encounter, and
         * the page tables on 4K boundaries otherwise.  Since we allocate
         * at least 3 L2 page tables, we are guaranteed to encounter at
         * least one 16K aligned region.
         */

#ifdef VERBOSE_INIT_ARM
        printf("Allocating page tables\n");
#endif

        free_pages = (physical_freeend - physical_freestart) / PAGE_SIZE;

#ifdef VERBOSE_INIT_ARM
        printf("freestart = 0x%08lx, free_pages = %d (0x%08x)\n",
               physical_freestart, free_pages, free_pages);
#endif

        /* Define a macro to simplify memory allocation */
#define valloc_pages(var, np)                           \
        alloc_pages((var).pv_pa, (np));                 \
        (var).pv_va = KERNEL_BASE + (var).pv_pa - physical_start;

#define alloc_pages(var, np)                            \
        physical_freeend -= ((np) * PAGE_SIZE);         \
        if (physical_freeend < physical_freestart)      \
                panic("initarm: out of memory");        \
        (var) = physical_freeend;                       \
        free_pages -= (np);                             \
        memset((char *)(var), 0, ((np) * PAGE_SIZE));

        loop1 = 0;
        for (loop = 0; loop <= NUM_KERNEL_PTS; ++loop) {
                /* Are we 16KB aligned for an L1 ? */
                if (((physical_freeend - L1_TABLE_SIZE) & (L1_TABLE_SIZE - 1)) == 0
                    && kernel_l1pt.pv_pa == 0) {
                        valloc_pages(kernel_l1pt, L1_TABLE_SIZE / PAGE_SIZE);
                } else {
                        valloc_pages(kernel_pt_table[loop1],
                            L2_TABLE_SIZE / PAGE_SIZE);
                        ++loop1;
                }
        }
#ifdef KLOADER
        valloc_pages(bootinfo_pt, L2_TABLE_SIZE / PAGE_SIZE);
#endif

        /* This should never be able to happen but better confirm that. */
        if (!kernel_l1pt.pv_pa || (kernel_l1pt.pv_pa & (L1_TABLE_SIZE-1)) != 0)
                panic("initarm: Failed to align the kernel page directory");

        /*
         * Allocate a page for the system page mapped to V0x00000000
         * This page will just contain the system vectors and can be
         * shared by all processes.
         */
        alloc_pages(systempage.pv_pa, 1);

        /* Allocate stacks for all modes */
        valloc_pages(irqstack, IRQ_STACK_SIZE);
        valloc_pages(abtstack, ABT_STACK_SIZE);
        valloc_pages(undstack, UND_STACK_SIZE);
        valloc_pages(kernelstack, UPAGES);

        /* Allocate enough pages for cleaning the Mini-Data cache. */
#ifdef DIAGNOSTIC
        KASSERT(xscale_minidata_clean_size <= PAGE_SIZE);
#endif
        valloc_pages(minidataclean, 1);

#ifdef KLOADER
        bootinfo_pg.pv_pa = BOOTINFO_PAGE;
        bootinfo_pg.pv_va = KERNEL_BASE + bootinfo_pg.pv_pa - physical_start;
#endif

#ifdef VERBOSE_INIT_ARM
        printf("IRQ stack: p0x%08lx v0x%08lx\n", irqstack.pv_pa,
            irqstack.pv_va);
        printf("ABT stack: p0x%08lx v0x%08lx\n", abtstack.pv_pa,
            abtstack.pv_va);
        printf("UND stack: p0x%08lx v0x%08lx\n", undstack.pv_pa,
            undstack.pv_va);
        printf("SVC stack: p0x%08lx v0x%08lx\n", kernelstack.pv_pa,
            kernelstack.pv_va);
        printf("minidataclean: p0x%08lx v0x%08lx, size = %ld\n",
            minidataclean.pv_pa, minidataclean.pv_va,
            xscale_minidata_clean_size);
#ifdef KLOADER
        printf("bootinfo_pg: p0x%08lx v0x%08lx\n", bootinfo_pg.pv_pa,
            bootinfo_pg.pv_va);
#endif
#endif

        /*
         * XXX Defer this to later so that we can reclaim the memory
         * XXX used by the RedBoot page tables.
         */
        alloc_pages(msgbufphys, round_page(MSGBUFSIZE) / PAGE_SIZE);

        /*
         * Ok we have allocated physical pages for the primary kernel
         * page tables
         */

#ifdef VERBOSE_INIT_ARM
        printf("Creating L1 page table at 0x%08lx\n", kernel_l1pt.pv_pa);
#endif

        /*
         * Now we start construction of the L1 page table
         * We start by mapping the L2 page tables into the L1.
         * This means that we can replace L1 mappings later on if necessary
         */
        l1pagetable = kernel_l1pt.pv_pa;

        /* Map the L2 pages tables in the L1 page table */
        pmap_link_l2pt(l1pagetable, 0x00000000,
            &kernel_pt_table[KERNEL_PT_SYS]);
        for (loop = 0; loop < KERNEL_PT_KERNEL_NUM; loop++)
                pmap_link_l2pt(l1pagetable, KERNEL_BASE + loop * 0x00400000,
                    &kernel_pt_table[KERNEL_PT_KERNEL + loop]);
        for (loop = 0; loop < KERNEL_PT_VMDATA_NUM; loop++)
                pmap_link_l2pt(l1pagetable, KERNEL_VM_BASE + loop * 0x00400000,
                    &kernel_pt_table[KERNEL_PT_VMDATA + loop]);
#ifdef KLOADER
        pmap_link_l2pt(l1pagetable, PXA2X0_SDRAM0_START, &bootinfo_pt);
#endif

        /* update the top of the kernel VM */
        pmap_curmaxkvaddr =
            KERNEL_VM_BASE + (KERNEL_PT_VMDATA_NUM * 0x00400000);

        /* check symbol table loaded by bootloader (zbsdmod.o) */
        esym = end;
#if NKSYMS || defined(DDB) || defined(MODULAR)
        symbolsize = 0;
        Elf_Ehdr *eh = (Elf_Ehdr *)end;
#ifdef VERBOSE_INIT_ARM
        printf("Checking ELF MAGIC at end: %02x %02x %02x %02x\n",
            end[0], end[1], end[2], end[3]);
#endif
        if (memcmp(eh->e_ident, ELFMAG, SELFMAG) == 0) {
                Elf_Shdr *sh;
#ifdef VERBOSE_INIT_ARM
                printf("ELF header found at end\n");
#endif
                sh = (Elf_Shdr *)((char *)end + eh->e_shoff);
                for (loop = 0; loop < eh->e_shnum; loop++, sh++) {
#ifdef VERBOSE_INIT_ARM
                        printf("Checking ELF header %d\n", loop);
#endif
                        if (sh->sh_type != SHT_SYMTAB &&
                            sh->sh_type != SHT_STRTAB) {
                                continue;
                        }
#ifdef VERBOSE_INIT_ARM
                        printf("Section[%2d]: offset = %d, size = %d\n",
                            loop, sh->sh_offset, sh->sh_size);
#endif
                        if (sh->sh_offset > 0 &&
                            (sh->sh_offset + sh->sh_size) > symbolsize) {
                                symbolsize = sh->sh_offset + sh->sh_size;
                        }
#ifdef VERBOSE_INIT_ARM
                        printf("Updating symbolsize = %d\n", symbolsize);
#endif
                }
                esym = (char *)esym + symbolsize;
        }
#ifdef VERBOSE_INIT_ARM
        printf("symbolsize = %d\n", symbolsize);
#endif
#endif /* NKSYMS || defined(DDB) || defined(MODULAR) */

#ifdef VERBOSE_INIT_ARM
        printf("Mapping kernel\n");
#endif

        /* Now we fill in the L2 pagetable for the kernel static code/data
         * and the symbol table. */
        {

                size_t textsize = (uintptr_t) etext - KERNEL_TEXT_BASE;
                size_t totalsize = (uintptr_t) esym - KERNEL_TEXT_BASE;
                u_int logical;

                textsize = (textsize + PGOFSET) & ~PGOFSET;
                totalsize = (totalsize + PGOFSET) & ~PGOFSET;

                /* offset of kernel in RAM */
                logical = KERNEL_TEXT_BASE - KERNEL_BASE;

                logical += pmap_map_chunk(l1pagetable, KERNEL_BASE + logical,
                    physical_start + logical, textsize,
                    VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE);
                pmap_map_chunk(l1pagetable, KERNEL_BASE + logical,
                    physical_start + logical, totalsize - textsize,
                    VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE);
        }

#ifdef VERBOSE_INIT_ARM
        printf("Constructing L2 page tables\n");
#endif

        /* Map the stack pages */
        pmap_map_chunk(l1pagetable, irqstack.pv_va, irqstack.pv_pa,
            IRQ_STACK_SIZE * PAGE_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE);
        pmap_map_chunk(l1pagetable, abtstack.pv_va, abtstack.pv_pa,
            ABT_STACK_SIZE * PAGE_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE);
        pmap_map_chunk(l1pagetable, undstack.pv_va, undstack.pv_pa,
            UND_STACK_SIZE * PAGE_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE);
        pmap_map_chunk(l1pagetable, kernelstack.pv_va, kernelstack.pv_pa,
            UPAGES * PAGE_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE);

        pmap_map_chunk(l1pagetable, kernel_l1pt.pv_va, kernel_l1pt.pv_pa,
            L1_TABLE_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_PAGETABLE);

        for (loop = 0; loop < NUM_KERNEL_PTS; ++loop) {
                pmap_map_chunk(l1pagetable, kernel_pt_table[loop].pv_va,
                    kernel_pt_table[loop].pv_pa, L2_TABLE_SIZE,
                    VM_PROT_READ|VM_PROT_WRITE, PTE_PAGETABLE);
        }

#ifdef KLOADER
        pmap_map_chunk(l1pagetable, bootinfo_pt.pv_va, bootinfo_pt.pv_pa,
            L2_TABLE_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_PAGETABLE);
        pmap_map_chunk(l1pagetable, bootinfo_pg.pv_va, bootinfo_pg.pv_pa,
            PAGE_SIZE, VM_PROT_ALL, PTE_CACHE);
#endif

        /* Map the Mini-Data cache clean area. */
        xscale_setup_minidata(l1pagetable, minidataclean.pv_va,
            minidataclean.pv_pa);

        /* Map the vector page. */
#if 0
        /* MULTI-ICE requires that page 0 is NC/NB so that it can download the
         * cache-clean code there.  */
        pmap_map_entry(l1pagetable, vector_page, systempage.pv_pa,
            VM_PROT_READ|VM_PROT_WRITE, PTE_NOCACHE);
#else
        pmap_map_entry(l1pagetable, vector_page, systempage.pv_pa,
            VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE);
#endif

        /*
         * map integrated peripherals at same address in l1pagetable
         * so that we can continue to use console.
         */
        pmap_devmap_bootstrap(l1pagetable, zaurus_devmap);

        /*
         * Give the XScale global cache clean code an appropriately
         * sized chunk of unmapped VA space starting at 0xff000000
         * (our device mappings end before this address).
         */
        xscale_cache_clean_addr = 0xff000000U;

        /*
         * Now we have the real page tables in place so we can switch to them.
         * Once this is done we will be running with the REAL kernel page
         * tables.
         */

        /*
         * Update the physical_freestart/physical_freeend/free_pages
         * variables.
         */
        {

                physical_freestart = physical_start +
                    ((((uintptr_t) esym + PGOFSET) & ~PGOFSET) - KERNEL_BASE);
                physical_freeend = physical_end;
                free_pages =
                    (physical_freeend - physical_freestart) / PAGE_SIZE;
        }

        /* Switch tables */
#ifdef VERBOSE_INIT_ARM
        printf("freestart = 0x%08lx, free_pages = %d (0x%x)\n",
               physical_freestart, free_pages, free_pages);
        printf("switching to new L1 page table  @%#lx...", kernel_l1pt.pv_pa);
#endif

        cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT);
        cpu_setttb(kernel_l1pt.pv_pa, true);
        cpu_tlb_flushID();
        cpu_domains(DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2));

        /*
         * Moved from cpu_startup() as data_abort_handler() references
         * this during uvm init
         */
        uvm_lwp_setuarea(&lwp0, kernelstack.pv_va);

#ifdef VERBOSE_INIT_ARM
        printf("bootstrap done.\n");
#endif

        arm32_vector_init(ARM_VECTORS_LOW, ARM_VEC_ALL);

        /*
         * Pages were allocated during the secondary bootstrap for the
         * stacks for different CPU modes.
         * We must now set the r13 registers in the different CPU modes to
         * point to these stacks.
         * Since the ARM stacks use STMFD etc. we must set r13 to the top end
         * of the stack memory.
         */
#ifdef VERBOSE_INIT_ARM
        printf("init subsystems: stacks ");
#endif

        set_stackptr(PSR_IRQ32_MODE,
            irqstack.pv_va + IRQ_STACK_SIZE * PAGE_SIZE);
        set_stackptr(PSR_ABT32_MODE,
            abtstack.pv_va + ABT_STACK_SIZE * PAGE_SIZE);
        set_stackptr(PSR_UND32_MODE,
            undstack.pv_va + UND_STACK_SIZE * PAGE_SIZE);

        /*
         * Well we should set a data abort handler.
         * Once things get going this will change as we will need a proper
         * handler.
         * Until then we will use a handler that just panics but tells us
         * why.
         * Initialisation of the vectors will just panic on a data abort.
         * This just fills in a slightly better one.
         */
#ifdef VERBOSE_INIT_ARM
        printf("vectors ");
#endif
        data_abort_handler_address = (u_int)data_abort_handler;
        prefetch_abort_handler_address = (u_int)prefetch_abort_handler;
        undefined_handler_address = (u_int)undefinedinstruction_bounce;

        /* Initialise the undefined instruction handlers */
#ifdef VERBOSE_INIT_ARM
        printf("undefined ");
#endif
        undefined_init();

        /* Load memory into UVM. */
#ifdef VERBOSE_INIT_ARM
        printf("page ");
#endif
        uvm_md_init();
        uvm_page_physload(atop(physical_freestart), atop(physical_freeend),
            atop(physical_freestart), atop(physical_freeend),
            VM_FREELIST_DEFAULT);

        /* Boot strap pmap telling it where managed kernel virtual memory is */
#ifdef VERBOSE_INIT_ARM
        printf("pmap ");
#endif
        pmap_bootstrap(KERNEL_VM_BASE, KERNEL_VM_BASE + KERNEL_VM_SIZE);

#ifdef VERBOSE_INIT_ARM
        printf("\n");
#endif

#ifdef __HAVE_MEMORY_DISK__
        md_root_setconf(memory_disk, sizeof memory_disk);
#endif

#if NKSYMS || defined(DDB) || defined(MODULAR)
        if (symbolsize > 0)
                ksyms_addsyms_elf(symbolsize, &end, esym);
#endif

#ifdef KGDB
        if (boothowto & RB_KDB) {
                kgdb_debug_init = 1;
                kgdb_connect(1);
        }
#endif

#ifdef DDB
        db_machine_init();
        if (boothowto & RB_KDB)
                Debugger();
#endif

        /* We return the new stack pointer address */
        return kernelstack.pv_va + USPACE_SVC_STACK_TOP;
}

void *
lookup_bootinfo(int type)
{
        struct btinfo_common *help;
        int n;

        if (bootinfo == NULL)
                return (NULL);

        n = bootinfo->nentries;
        help = (struct btinfo_common *)(bootinfo->info);
        while (n--) {
                if (help->type == type)
                        return (help);
                help = (struct btinfo_common *)((char *)help + help->len);
        }
        return (NULL);
}

#ifdef KLOADER
static int
parseboot(char *arg, char **filename, int *howto)
{
        char *opts = NULL;

        *filename = NULL;
        *howto = 0;

        /* if there were no arguments */
        if (arg == NULL || *arg == '\0')
                return 1;

        /* format is... */
        /* [[xxNx:]filename] [-adqsv] */

        /* check for just args */
        if (arg[0] == '-') {
                opts = arg;
        } else {
                /* there's a file name */
                *filename = arg;

                opts = gettrailer(arg);
                if (opts == NULL || *opts == '\0') {
                        opts = NULL;
                } else if (*opts != '-') {
                        printf("invalid arguments\n");
                        return 0;
                }
        }

        /* at this point, we have dealt with filenames. */

        /* now, deal with options */
        if (opts) {
                if (parseopts(opts, howto) == 0) {
                        return 0;
                }
        }
        return 1;
}

static char *
gettrailer(char *arg)
{
        static char nullstr[] = "";
        char *options;

        if ((options = strchr(arg, ' ')) == NULL)
                return nullstr;
        else
                *options++ = '\0';

        /* trim leading blanks */
        while (*options == ' ')
                options++;

        return options;
}

static int
parseopts(const char *opts, int *howto)
{
        int r, tmpopt = *howto;

        opts++;         /* skip - */
        while (*opts && *opts != ' ') {
                r = 0;
                BOOT_FLAG(*opts, r);
                if (r == 0) {
                        printf("-%c: unknown flag\n", *opts);
                        return 0;
                }
                tmpopt |= r;
                opts++;
        }

        *howto = tmpopt;
        return 1;
}
#endif

/*
 * Console
 */
#include "com.h"
#if (NCOM > 0)
#include <dev/ic/comvar.h>
#endif

#include "lcd.h"
#include "w100lcd.h"
#include "wsdisplay.h"

#ifndef CONSPEED
#define CONSPEED B9600
#endif
#ifndef CONMODE
#define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
#endif

int comcnspeed = CONSPEED;
int comcnmode = CONMODE;

#ifdef KGDB
#ifndef KGDB_DEVNAME
#define KGDB_DEVNAME    "ffuart"
#endif
const char kgdb_devname[] = KGDB_DEVNAME;

#if (NCOM > 0)
#ifndef KGDB_DEVMODE
#define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
#endif
int comkgdbmode = KGDB_DEVMODE;
#endif /* NCOM */
#endif /* KGDB */

void
consinit(void)
{
        static int consinit_called = 0;
#if (NCOM > 0) && defined(COM_PXA2X0)
        paddr_t paddr;
        u_int cken = 0;
#endif

        if (consinit_called)
                return;
        consinit_called = 1;

#if (NCOM > 0) && defined(COM_PXA2X0)
#ifdef KGDB
        if (strcmp(kgdb_devname, console) == 0) {
                /* port is reserved for kgdb */
        } else
#endif
        if (strcmp(console, "ffuart") == 0) {
                paddr = PXA2X0_FFUART_BASE;
                cken = CKEN_FFUART;
        } else if (strcmp(console, "btuart") == 0) {
                paddr = PXA2X0_BTUART_BASE;
                cken = CKEN_BTUART;
        } else if (strcmp(console, "stuart") == 0) {
                paddr = PXA2X0_STUART_BASE;
                cken = CKEN_STUART;
                irda_on(0);
        } else
#endif
        if (strcmp(console, "glass") == 0) {
#if ((NLCD > 0) || (NW100LCD > 0)) && (NWSDISPLAY > 0)
                glass_console = 1;
#if NLCD > 0
                if (ZAURUS_ISC1000 || ZAURUS_ISC3000)
                        lcd_cnattach();
#endif
#if NW100LCD > 0
                if (ZAURUS_ISC860)
                        w100lcd_cnattach();
#endif
#endif
        }

#if (NCOM > 0) && defined(COM_PXA2X0)
        if (cken != 0 && comcnattach(&pxa2x0_a4x_bs_tag, paddr, comcnspeed,
            PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode) == 0) {
                pxa2x0_clkman_config(cken, 1);
        }
#endif
}

#ifdef KGDB
void
kgdb_port_init(void)
{
#if (NCOM > 0) && defined(COM_PXA2X0)
        paddr_t paddr;
        u_int cken;

        if (strcmp(kgdb_devname, "ffuart") == 0) {
                paddr = PXA2X0_FFUART_BASE;
                cken = CKEN_FFUART;
        } else if (strcmp(kgdb_devname, "btuart") == 0) {
                paddr = PXA2X0_BTUART_BASE;
                cken = CKEN_BTUART;
        } else if (strcmp(kgdb_devname, "stuart") == 0) {
                paddr = PXA2X0_STUART_BASE;
                cken = CKEN_STUART;
                irda_on(0);
        } else
                return;

        if (com_kgdb_attach(&pxa2x0_a4x_bs_tag, paddr,
            kgdb_rate, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comkgdbmode) == 0) {
                pxa2x0_clkman_config(cken, 1);
        }
#endif
}
#endif