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Annotation of prex-old/boot/arm/cats/bootinfo.c, Revision 1.4

1.1       nbrk        1: /*-
                      2:  * Copyright (c) 2005, Kohsuke Ohtani
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. Neither the name of the author nor the names of any co-contributors
                     14:  *    may be used to endorse or promote products derived from this software
                     15:  *    without specific prior written permission.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     27:  * SUCH DAMAGE.
                     28:  */
                     29:
                     30: #include <boot.h>
                     31: #include <platform.h>
1.2       nbrk       32: #include "cyclone_boot.h"
                     33:
                     34: extern uint32_t        ebsabootaddr;
1.1       nbrk       35:
                     36: /*
                     37:  * Setup boot information.
                     38:  */
                     39: void
                     40: setup_bootinfo(struct boot_info **bpp)
                     41: {
                     42:        struct boot_info *bp;
1.2       nbrk       43:        struct ebsaboot *ebp;
1.1       nbrk       44:
                     45:        bp = (struct boot_info *)BOOT_INFO;
                     46:        memset(bp, 0, BOOT_INFO_SIZE);
                     47:
                     48:        bp->archive = (u_long)ARCHIVE_START;
                     49:
                     50:        bp->video.text_x = 30;
                     51:        bp->video.text_y = 20;
                     52:
1.2       nbrk       53:        ebp = (struct ebsaboot *)ebsabootaddr;
                     54:        if (ebp->bt_magic != BT_MAGIC_NUMBER_CATS &&
                     55:                ebp->bt_magic != BT_MAGIC_NUMBER_EBSA) {
                     56:                panic("Incorrect firmware signature");
                     57:        }
                     58:
1.4     ! nbrk       59:        bp->main_mem.start = ebp->bt_memstart + 0x00100000;
        !            60:        bp->main_mem.size  = ebp->bt_memend - bp->main_mem.start;
1.2       nbrk       61:
1.3       nbrk       62:        printk("%s%u firmware: physical memory @0x%x->0x%x (%u KB); bootarg \"%s\"; fclk: %uMHz, pciclk %uMHz;\n",
                     63:                        ebp->bt_magic == BT_MAGIC_NUMBER_CATS ? "CATS" : "EBSA", ebp->bt_vers,
                     64:                        ebp->bt_memstart, ebp->bt_memend, bp->main_mem.size / 1024,
                     65:                        (char *)ebp->bt_args, ebp->bt_fclk / 1000000, ebp->bt_pciclk / 1000000);
1.1       nbrk       66:
                     67:        *bpp = bp;
                     68: }