1 //==========================================================================
3 // plf_redboot_linux_boot.c
5 // Platform support for RedBoot command to boot Linux
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
12 // Copyright (C) 2002, 2003 Gary Thomas
14 // eCos is free software; you can redistribute it and/or modify it under
15 // the terms of the GNU General Public License as published by the Free
16 // Software Foundation; either version 2 or (at your option) any later version.
18 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
19 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
23 // You should have received a copy of the GNU General Public License along
24 // with eCos; if not, write to the Free Software Foundation, Inc.,
25 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
27 // As a special exception, if other files instantiate templates or use macros
28 // or inline functions from this file, or you compile this file and link it
29 // with other works to produce a work based on this file, this file does not
30 // by itself cause the resulting work to be covered by the GNU General Public
31 // License. However the source code for this file must still be made available
32 // in accordance with section (3) of the GNU General Public License.
34 // This exception does not invalidate any other reasons why a work based on
35 // this file might be covered by the GNU General Public License.
37 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
38 // at http://sources.redhat.com/ecos/ecos-license/
39 // -------------------------------------------
40 //####ECOSGPLCOPYRIGHTEND####
41 //==========================================================================
42 //#####DESCRIPTIONBEGIN####
50 // This code is part of RedBoot (tm).
52 //####DESCRIPTIONEND####
54 //==========================================================================
56 #include <cyg/hal/hal_arch.h>
57 #include <cyg/hal/hal_if.h>
58 #include <cyg/hal/hal_intr.h>
59 #include <cyg/hal/hal_cache.h>
60 #include <cyg/hal/ppc_regs.h>
61 #include <cyg/hal/redboot_linux_exec.h>
64 // Export system configuration - used when booting a Linux kernel
65 // Note: this function is expected to set up the fields which are
66 // platform/variant dependent. It may also override any of the
67 // architecture common fields (like memory layout, etc) as appropriate
70 plf_redboot_linux_exec(bd_t *board_info)
72 board_info->bi_intfreq = CYGHWR_HAL_POWERPC_BOARD_SPEED*1000000;
73 board_info->bi_busfreq = 66*1000000;
74 board_info->bi_flashbase = 0xFE000000;
75 board_info->bi_flashsize = 0x00800000;
76 board_info->bi_flashwidth = 16;
79 //=========================================================================
80 // EOF plf_redboot_linux_exec.c