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Annotation of prex-old/boot/avr32/ngw100/bootinfo.c, Revision 1.2

1.1       nbrk        1: /*
                      2:  * $Id$
                      3:  */
                      4: /*-
                      5:  * Copyright (c) 2005, Kohsuke Ohtani
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. Neither the name of the author nor the names of any co-contributors
                     17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  */
                     32:
                     33: #include <boot.h>
                     34: #include <platform.h>
1.2     ! nbrk       35: #include <uboot.h>
1.1       nbrk       36:
                     37: /*
                     38:  * Setup boot information.
                     39:  */
                     40: void
                     41: setup_bootinfo(struct boot_info **bpp)
                     42: {
                     43:        struct boot_info *bp;
                     44:        struct uboot_cframe *ucfp;
                     45:
                     46:        bp = (struct boot_info *)BOOT_INFO;
                     47:        memset(bp, 0, BOOT_INFO_SIZE);
                     48:
                     49:        bp->archive = (u_long)ARCHIVE_START;
                     50:
                     51:        /* video? huh. */
                     52:        bp->video.text_x = 0;
                     53:        bp->video.text_y = 0;
                     54:
1.2     ! nbrk       55:        /*
        !            56:         * Try to ask first stage bootloader about physical memory.
        !            57:         */
        !            58:        printk("setup_bootinfo: fetching boot_params @0x%x", BOOT_PARAMS);
        !            59:        ucfp = uboot_map(BOOT_PARAMS);
        !            60:        if (ucfp != NULL) {
        !            61:                bp->main_mem.start = ucfp->ucf_memstart;
        !            62:                bp->main_mem.size = ucfp->ucf_memsize;
        !            63:        } else {
        !            64:                /* use defaults */
        !            65:                bp->main_mem.start = 0x10000000;
        !            66:                bp->main_mem.size  = 0x02000000;        /* 32MB */
        !            67:        }
        !            68:
        !            69:        printk("setup_bootinfo: main memory start=%x size=%x (using %s values)\n",
        !            70:               (int)boot_info->main_mem.start,
        !            71:               (int)boot_info->main_mem.size,
        !            72:                        ucfp == NULL ? "default" : "u-boot");
1.1       nbrk       73:
                     74:        *bpp = bp;
                     75: }