root/sys/arch/evbarm/gumstix/gumstix_machdep.c
/*      $NetBSD: gumstix_machdep.c,v 1.75 2023/10/12 11:33:37 skrll Exp $ */
/*
 * Copyright (C) 2005, 2006, 2007  WIDE Project and SOUM Corporation.
 * All rights reserved.
 *
 * Written by Takashi Kiyohara and Susumu Miki for WIDE Project and SOUM
 * 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. Neither the name of the project nor the name of SOUM Corporation
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT and SOUM 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 THE PROJECT AND SOUM 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.
 */
/*
 * Copyright (c) 2002, 2003, 2004, 2005  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 Genetec G4250EBX
 * evaluation board.
 *
 * 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 "opt_arm_debug.h"
#include "opt_com.h"
#include "opt_console.h"
#include "opt_cputypes.h"
#include "opt_evbarm_boardtype.h"
#include "opt_gumstix.h"
#include "opt_kgdb.h"

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

#include <prop/proplib.h>

#include <uvm/uvm_extern.h>

#include <arm/mainbus/mainbus.h>        /* don't reorder */

#include <machine/autoconf.h>           /* don't reorder */
#include <machine/bootconfig.h>
#include <arm/locore.h>

#include <arm/arm32/machdep.h>

#include <arm/xscale/pxa2x0reg.h>
#include <arm/xscale/pxa2x0var.h>
#include <arm/xscale/pxa2x0_gpio.h>
#include <evbarm/gumstix/gumstixreg.h>
#include <evbarm/gumstix/gumstixvar.h>

#include <dev/cons.h>

#ifdef KGDB
#include <sys/kgdb.h>
#endif

#ifdef VERBOSE_INIT_ARM
#define VPRINTF(...)    printf(__VA_ARGS__)
#else
#define VPRINTF(...)    __nothing
#endif

/*
 * The range 0xc1000000 - 0xfd000000 is available for kernel VM space
 * Core-logic registers and I/O mappings occupy
 *
 *    0xfd000000 - 0xfd800000   on gumstix
 */
#ifndef KERNEL_VM_BASE
#define KERNEL_VM_BASE          0xc8000000
#endif
#define KERNEL_VM_SIZE          0x35000000

BootConfig bootconfig;          /* Boot config storage */
static char bootargs[MAX_BOOT_STRING];
const size_t bootargs_len = sizeof(bootargs) - 1;       /* without nul */
char *boot_args = NULL;

uint32_t system_serial_high;
uint32_t system_serial_low;

/* Prototypes */
#if defined(GUMSTIX)
static void     read_system_serial(void);
#endif
static void     process_kernel_args(int, char *[]);
static void     process_kernel_args_liner(char *);
#ifdef KGDB
static void     kgdb_port_init(void);
#endif
static void     gumstix_device_register(device_t, void *);

bs_protos(bs_notimpl);

#include "com.h"
#if NCOM > 0
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#endif

#if defined(CPU_XSCALE)
#include "lcd.h"
#endif

#ifndef CONSPEED
#define CONSPEED B115200        /* It's a setting of the default of u-boot */
#endif
#ifndef CONMODE
#define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
#endif

int comcnspeed = CONSPEED;
int comcnmode = CONMODE;

#ifdef GUMSTIX_NETBSD_ARGS_CONSOLE
static char console[16];
#endif

const struct tifb_panel_info *tifb_panel_info = NULL;
/* Use TPS65217 White LED Driver */
bool use_tps65217_wled = false;

extern void gxio_config(void);
extern void gxio_config_expansion(char *);


static inline pd_entry_t *
read_ttb(void)
{
        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 gumstix_devmap[] = {
#if defined(GUMSTIX)
        DEVMAP_ENTRY(
                GUMSTIX_GPIO_VBASE,
                PXA2X0_GPIO_BASE,
                PXA250_GPIO_SIZE
        ),
        DEVMAP_ENTRY(
                GUMSTIX_CLKMAN_VBASE,
                PXA2X0_CLKMAN_BASE,
                PXA2X0_CLKMAN_SIZE
        ),
        DEVMAP_ENTRY(
                GUMSTIX_INTCTL_VBASE,
                PXA2X0_INTCTL_BASE,
                PXA2X0_INTCTL_SIZE
        ),
        DEVMAP_ENTRY(
                GUMSTIX_FFUART_VBASE,
                PXA2X0_FFUART_BASE,
                4 * COM_NPORTS
        ),
        DEVMAP_ENTRY(
                GUMSTIX_STUART_VBASE,
                PXA2X0_STUART_BASE,
                4 * COM_NPORTS
        ),
        DEVMAP_ENTRY(
                GUMSTIX_BTUART_VBASE,
                PXA2X0_BTUART_BASE,
                4 * COM_NPORTS
        ),
        DEVMAP_ENTRY(
                GUMSTIX_HWUART_VBASE,
                PXA2X0_HWUART_BASE,
                4 * COM_NPORTS
        ),
        DEVMAP_ENTRY(
                GUMSTIX_LCDC_VBASE,
                PXA2X0_LCDC_BASE,
                4 * COM_NPORTS
        ),
#endif
        DEVMAP_ENTRY_END
};

extern uint32_t *uboot_args;

/*
 * 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[];
        uint32_t ram_size = 0x400000;
        enum { r0 = 0, r1 = 1, r2 = 2, r3 = 3 }; /* args from u-boot */

#if defined(CPU_XSCALE)

        /*
         * We mapped PA == VA in gumstix_start.S.
         * Also mapped SDRAM to KERNEL_BASE first 64Mbyte only with cachable.
         *
         * Gumstix (basix, connex, verdex, verdex-pro):
         * Physical Address Range     Description
         * -----------------------    ----------------------------------
         * 0x00000000 - 0x00ffffff    flash Memory   (16MB or 4MB)
         * 0x40000000 - 0x480fffff    Processor Registers
         * 0xa0000000 - 0xa3ffffff    SDRAM Bank 0 (64MB or 128MB)
         * 0xc0000000 - 0xc3ffffff    KERNEL_BASE
         */
        xscale_cache_clean_addr = 0xff000000U;

        cpu_reset_address = NULL;
#endif

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

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

#if defined(CPU_XSCALE)
        /* start 32.768kHz OSC */
        ioreg_write(GUMSTIX_CLKMAN_VBASE + CLKMAN_OSCC, OSCC_OON);

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

        /* setup GPIO for {FF,ST,HW}UART. */
        pxa2x0_gpio_bootstrap(GUMSTIX_GPIO_VBASE);

        pxa2x0_clkman_bootstrap(GUMSTIX_CLKMAN_VBASE);
#endif

        cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT);

        /* configure MUX, GPIO and CLK. */
        gxio_config();

#ifndef GUMSTIX_NETBSD_ARGS_CONSOLE
        consinit();
#endif
#ifdef KGDB
        kgdb_port_init();
#endif

        /*
         * Examine the boot args string for options we need to know about
         * now.
         */
#if defined(GUMSTIX)
#define SDRAM_START     0xa0000000UL
#endif
        if (uboot_args[r0] < SDRAM_START ||
            uboot_args[r0] >= SDRAM_START + ram_size)
                /* Maybe r0 is 'argc'.  We are booted by command 'go'. */
                process_kernel_args(uboot_args[r0], (char **)uboot_args[r1]);
        else
                /*
                 * Maybe r3 is 'boot args string' of 'bootm'.  This string is
                 * linely.
                 */
                process_kernel_args_liner((char *)uboot_args[r3]);
#ifdef GUMSTIX_NETBSD_ARGS_CONSOLE
        consinit();
#endif

        /* Talk to the user */
#define BDSTR(s)        _BDSTR(s)
#define _BDSTR(s)       #s
        printf("\nNetBSD/evbarm (" BDSTR(EVBARM_BOARDTYPE) ") booting ...\n");

        /* Read system serial */
#if defined(GUMSTIX)
        read_system_serial();
#endif

        VPRINTF("initarm: Configuring system ...\n");

        /* 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 = SDRAM_START;
        bootconfig.dram[0].pages = ram_size / PAGE_SIZE;

        KASSERT(ram_size <= KERNEL_VM_BASE - KERNEL_BASE);

        arm32_bootmem_init(bootconfig.dram[0].address, ram_size,
            (uintptr_t) KERNEL_BASE_phys);
        arm32_kernel_vm_init(KERNEL_VM_BASE,
#if defined(CPU_XSCALE)
            ARM_VECTORS_LOW,
#endif
            0, gumstix_devmap, true);

        evbarm_device_register = gumstix_device_register;

        return initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE, NULL, 0);
}

#if defined(GUMSTIX)
static void
read_system_serial(void)
{
#define GUMSTIX_SYSTEM_SERIAL_ADDR      0
#define GUMSTIX_SYSTEM_SERIAL_SIZE      8
#define FLASH_OFFSET_INTEL_PROTECTION   0x81
#define FLASH_OFFSET_USER_PROTECTION    0x85
#define FLASH_CMD_READ_ID               0x90
#define FLASH_CMD_RESET                 0xff
        int i;
        char system_serial[GUMSTIX_SYSTEM_SERIAL_SIZE], *src;
        char x;

/*
 * XXXGCC12.
 * This accesses beyond what "char *src" is known to supply.
 */
#pragma GCC push_options
#pragma GCC diagnostic ignored "-Warray-bounds"

        src = (char *)(FLASH_OFFSET_USER_PROTECTION * 2 /*word*/);
        *(volatile uint16_t *)0 = FLASH_CMD_READ_ID;
        memcpy(system_serial,
            src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial));
        *(volatile uint16_t *)0 = FLASH_CMD_RESET;

        for (i = 1, x = system_serial[0]; i < sizeof (system_serial); i++)
                x &= system_serial[i];
        if (x == 0xff) {
                src = (char *)(FLASH_OFFSET_INTEL_PROTECTION * 2 /*word*/);
                *(volatile uint16_t *)0 = FLASH_CMD_READ_ID;
                memcpy(system_serial,
                    src + GUMSTIX_SYSTEM_SERIAL_ADDR, sizeof (system_serial));
                *(volatile uint16_t *)0 = FLASH_CMD_RESET;

                /*
                 * XXXX: Don't need ???
                 * gumstix_serial_hash(system_serial);
                 */
        }
#pragma GCC pop_options
        system_serial_high = system_serial[0] << 24 | system_serial[1] << 16 |
            system_serial[2] << 8 | system_serial[3];
        system_serial_low = system_serial[4] << 24 | system_serial[5] << 16 |
            system_serial[6] << 8 | system_serial[7];

        printf("system serial: 0x");
        for (i = 0; i < sizeof (system_serial); i++)
                printf("%02x", system_serial[i]);
        printf("\n");
}
#endif

#ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER
static const char busheader_name[] = "busheader=";
#endif
#if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \
    defined(GUMSTIX_NETBSD_ARGS_EXPANSION)
static const char expansion_name[] = "expansion=";
#endif
#ifdef GUMSTIX_NETBSD_ARGS_CONSOLE
static const char console_name[] = "console=";
#endif
static void
process_kernel_args(int argc, char *argv[])
{
        int gxio_configured = 0, i, j;

        boothowto = 0;

        for (i = 1, j = 0; i < argc; i++) {
#ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER
                if (!strncmp(argv[i], busheader_name, strlen(busheader_name))) {
                        /* Configure for GPIOs of busheader side */
                        gxio_config_expansion(argv[i] + strlen(busheader_name));
                        gxio_configured = 1;
                        continue;
                }
#endif
#if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \
    defined(GUMSTIX_NETBSD_ARGS_EXPANSION)
                if (!strncmp(argv[i], expansion_name, strlen(expansion_name))) {
                        /* Configure expansion */
                        gxio_config_expansion(argv[i] + strlen(expansion_name));
                        gxio_configured = 1;
                        continue;
                }
#endif
#ifdef GUMSTIX_NETBSD_ARGS_CONSOLE
                if (!strncmp(argv[i], console_name, strlen(console_name))) {
                        strncpy(console, argv[i] + strlen(console_name),
                            sizeof(console));
                        consinit();
                }
#endif
                if (j == bootargs_len) {
                        *(bootargs + j) = '\0';
                        continue;
                }
                if (j != 0)
                        *(bootargs + j++) = ' ';
                strncpy(bootargs + j, argv[i], bootargs_len - j);
                bootargs[bootargs_len] = '\0';
                j += strlen(argv[i]);
        }
        boot_args = bootargs;

        parse_mi_bootargs(boot_args);

        if (!gxio_configured)
                gxio_config_expansion(NULL);
}

static void
process_kernel_args_liner(char *args)
{
        int i = 0;
        char *p = NULL;

        boothowto = 0;

        strncpy(bootargs, args, sizeof(bootargs));
#if defined(GUMSTIX_NETBSD_ARGS_BUSHEADER) || \
    defined(GUMSTIX_NETBSD_ARGS_EXPANSION)
        {
                char *q;

                if ((p = strstr(bootargs, expansion_name)))
                        q = p + strlen(expansion_name);
#ifdef GUMSTIX_NETBSD_ARGS_BUSHEADER
                else if ((p = strstr(bootargs, busheader_name)))
                        q = p + strlen(busheader_name);
#endif
                if (p) {
                        char expansion[256], c;

                        i = 0;
                        do {
                                c = *(q + i);
                                if (c == ' ')
                                        c = '\0';
                                expansion[i++] = c;
                        } while (c != '\0' && i < sizeof(expansion));
                        gxio_config_expansion(expansion);
                        strcpy(p, q + i);
                }
        }
#endif
        if (p == NULL)
                gxio_config_expansion(NULL);
#ifdef GUMSTIX_NETBSD_ARGS_CONSOLE
        p = strstr(bootargs, console_name);
        if (p != NULL) {
                char c;

                i = 0;
                do {
                        c = *(p + strlen(console_name) + i);
                        if (c == ' ')
                                c = '\0';
                        console[i++] = c;
                } while (c != '\0' && i < sizeof(console));
                consinit();
                strcpy(p, p + strlen(console_name) + i);
        }
#endif
        boot_args = bootargs;

        parse_mi_bootargs(boot_args);
}

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

#ifndef KGDB_DEVRATE
#define KGDB_DEVRATE    CONSPEED
#endif
int kgdb_devrate = KGDB_DEVRATE;

#if (NCOM > 0)
#ifndef KGDB_DEVMODE
#define KGDB_DEVMODE    CONMODE
#endif
int comkgdbmode = KGDB_DEVMODE;
#endif /* NCOM */

#endif /* KGDB */


void
consinit(void)
{
        static int consinit_called = 0;

        if (consinit_called != 0)
                return;

        consinit_called = 1;

#if NCOM > 0

#ifdef GUMSTIX_NETBSD_ARGS_CONSOLE
        /* Maybe passed Linux's bootargs 'console=ttyS?,<speed>...' */
        if (strncmp(console, "ttyS", 4) == 0 && console[5] == ',') {
                int i;

                comcnspeed = 0;
                for (i = 6; i < strlen(console) && isdigit(console[i]); i++)
                        comcnspeed = comcnspeed * 10 + (console[i] - '0');
        }
#endif

#if defined(GUMSTIX)

#ifdef FFUARTCONSOLE
#ifdef KGDB
        if (strcmp(kgdb_devname, "ffuart") == 0){
                /* port is reserved for kgdb */
        } else
#endif
#if defined(GUMSTIX_NETBSD_ARGS_CONSOLE)
        if (console[0] == '\0' || strcasecmp(console, "ffuart") == 0 ||
            strncmp(console, "ttyS0,", 6) == 0)
#endif
        {
                int rv;

                rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_FFUART_BASE,
                    comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode);
                if (rv == 0) {
                        pxa2x0_clkman_config(CKEN_FFUART, 1);
                        return;
                }
        }
#endif /* FFUARTCONSOLE */

#ifdef STUARTCONSOLE
#ifdef KGDB
        if (strcmp(kgdb_devname, "stuart") == 0) {
                /* port is reserved for kgdb */
        } else
#endif
#if defined(GUMSTIX_NETBSD_ARGS_CONSOLE)
        if (console[0] == '\0' || strcasecmp(console, "stuart") == 0)
#endif
        {
                int rv;

                rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_STUART_BASE,
                    comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode);
                if (rv == 0) {
                        pxa2x0_clkman_config(CKEN_STUART, 1);
                        return;
                }
        }
#endif /* STUARTCONSOLE */

#ifdef BTUARTCONSOLE
#ifdef KGDB
        if (strcmp(kgdb_devname, "btuart") == 0) {
                /* port is reserved for kgdb */
        } else
#endif
#if defined(GUMSTIX_NETBSD_ARGS_CONSOLE)
        if (console[0] == '\0' || strcasecmp(console, "btuart") == 0)
#endif
        {
                int rv;

                rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_BTUART_BASE,
                    comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode);
                if (rv == 0) {
                        pxa2x0_clkman_config(CKEN_BTUART, 1);
                        return;
                }
        }
#endif /* BTUARTCONSOLE */

#ifdef HWUARTCONSOLE
#ifdef KGDB
        if (strcmp(kgdb_devname, "hwuart") == 0) {
                /* port is reserved for kgdb */
        } else
#endif
#if defined(GUMSTIX_NETBSD_ARGS_CONSOLE)
        if (console[0] == '\0' || strcasecmp(console, "hwuart") == 0)
#endif
        {
                rv = comcnattach(&pxa2x0_a4x_bs_tag, PXA2X0_HWUART_BASE,
                    comcnspeed, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comcnmode);
                if (rv == 0) {
                        pxa2x0_clkman_config(CKEN_HWUART, 1);
                        return;
                }
        }
#endif /* HWUARTCONSOLE */

#endif /* GUMSTIX */

#endif /* NCOM */

#if NLCD > 0
#if defined(GUMSTIX_NETBSD_ARGS_CONSOLE)
        if (console[0] == '\0' || strcasecmp(console, "lcd") == 0)
#endif
        {
                gxlcd_cnattach();
        }
#endif
}

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

        if (0 == strcmp(kgdb_devname, "ffuart")) {
                paddr = PXA2X0_FFUART_BASE;
                cken = CKEN_FFUART;
        } else if (0 == strcmp(kgdb_devname, "stuart")) {
                paddr = PXA2X0_STUART_BASE;
                cken = CKEN_STUART;
        } else if (0 == strcmp(kgdb_devname, "btuart")) {
                paddr = PXA2X0_BTUART_BASE;
                cken = CKEN_BTUART;
        } else if (0 == strcmp(kgdb_devname, "hwuart")) {
                paddr = PXA2X0_HWUART_BASE;
                cken = CKEN_HWUART;
        }

        if (paddr &&
            0 == com_kgdb_attach(&pxa2x0_a4x_bs_tag, paddr,
                kgdb_devrate, PXA2X0_COM_FREQ, COM_TYPE_PXA2x0, comkgdbmode)) {

                pxa2x0_clkman_config(cken, 1);
        }

#endif
}
#endif

static void
gumstix_device_register(device_t dev, void *aux)
{
        prop_dictionary_t dict = device_properties(dev);

        if (device_is_a(dev, "ehci")) {
                prop_dictionary_set_uint16(dict, "dpll5-m", 443);
                prop_dictionary_set_uint16(dict, "dpll5-n", 11);
                prop_dictionary_set_uint16(dict, "dpll5-m2", 4);
        }
        if (device_is_a(dev, "ohci")) {
                if (prop_dictionary_set_bool(dict,
                    "Ganged-power-mask-on-port1", 1) == false) {
                        printf("WARNING: unable to set power-mask for port1"
                            " property for %s\n", device_xname(dev));
                }
                if (prop_dictionary_set_bool(dict,
                    "Ganged-power-mask-on-port2", 1) == false) {
                        printf("WARNING: unable to set power-mask for port2"
                            " property for %s\n", device_xname(dev));
                }
                if (prop_dictionary_set_bool(dict,
                    "Ganged-power-mask-on-port3", 1) == false) {
                        printf("WARNING: unable to set power-mask for port3"
                            " property for %s\n", device_xname(dev));
                }
        }
}