diff options
Diffstat (limited to 'opencores/spi_boot/rtl/vhdl/chip-e.vhd')
| -rw-r--r-- | opencores/spi_boot/rtl/vhdl/chip-e.vhd | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/opencores/spi_boot/rtl/vhdl/chip-e.vhd b/opencores/spi_boot/rtl/vhdl/chip-e.vhd new file mode 100644 index 000000000..0bdd05aff --- /dev/null +++ b/opencores/spi_boot/rtl/vhdl/chip-e.vhd @@ -0,0 +1,91 @@ +------------------------------------------------------------------------------- +-- +-- SD/MMC Bootloader +-- Chip toplevel +-- +-- $Id: chip-e.vhd,v 1.3 2005/04/07 20:44:23 arniml Exp $ +-- +-- Copyright (c) 2005, Arnim Laeuger (arniml@opencores.org) +-- +-- All rights reserved, see COPYING. +-- +-- Redistribution and use in source and synthezised forms, with or without +-- modification, are permitted provided that the following conditions are met: +-- +-- Redistributions of source code must retain the above copyright notice, +-- this list of conditions and the following disclaimer. +-- +-- Redistributions in synthesized 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. +-- +-- Neither the name of the author nor the names of other contributors may +-- be used to endorse or promote products derived from this software without +-- specific prior written permission. +-- +-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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. +-- +-- Please report bugs to the author, but before you do so, please +-- make sure that this is not a derivative work and that +-- you have the latest version of this file. +-- +-- The latest version of this file can be found at: +-- http://www.opencores.org/projects.cgi/web/spi_boot/overview +-- +------------------------------------------------------------------------------- + +library ieee; +use ieee.std_logic_1164.all; + + +entity chip is + + port ( + -- System Interface ------------------------------------------------------- + clk_i : in std_logic; + reset_i : in std_logic; + set_sel_n_i : in std_logic_vector(3 downto 0); + -- SD Card Interface ------------------------------------------------------ + spi_clk_o : out std_logic; + spi_cs_n_o : out std_logic; + spi_data_in_i : in std_logic; + spi_data_out_o : out std_logic; + -- FPGA Configuration Interface ------------------------------------------- + start_i : in std_logic; + mode_i : in std_logic; + config_n_o : out std_logic; + detached_o : out std_logic; + cfg_init_n_i : in std_logic; + cfg_done_i : in std_logic; + dat_done_i : in std_logic; + cfg_clk_o : out std_logic; + cfg_dat_o : out std_logic + ); + +end chip; + + +------------------------------------------------------------------------------- +-- File History: +-- +-- $Log: chip-e.vhd,v $ +-- Revision 1.3 2005/04/07 20:44:23 arniml +-- add new port detached_o +-- +-- Revision 1.2 2005/03/08 22:07:11 arniml +-- added set selection +-- +-- Revision 1.1 2005/02/08 20:41:30 arniml +-- initial check-in +-- +------------------------------------------------------------------------------- |