| Line 1... |
Line 1... |
-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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--
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--
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-- SD/MMC Bootloader
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-- SD/MMC Bootloader
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-- Chip toplevel design with SD feature set
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-- Chip toplevel design with SD feature set
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--
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--
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-- $Id: chip-sd-a.vhd,v 1.3 2005-02-18 06:42:14 arniml Exp $
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-- $Id: chip-sd-a.vhd,v 1.4 2005-03-08 22:07:12 arniml Exp $
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--
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--
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-- Copyright (c) 2005, Arnim Laeuger (arniml@opencores.org)
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-- Copyright (c) 2005, Arnim Laeuger (arniml@opencores.org)
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--
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--
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-- All rights reserved, see COPYING.
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-- All rights reserved, see COPYING.
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--
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--
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architecture sd of chip is
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architecture sd of chip is
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|
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component spi_boot
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component spi_boot
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generic (
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generic (
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width_set_sel_g : integer := 4;
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width_bit_cnt_g : integer := 6;
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width_bit_cnt_g : integer := 6;
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width_img_cnt_g : integer := 2;
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width_img_cnt_g : integer := 2;
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num_bits_per_img_g : integer := 18;
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num_bits_per_img_g : integer := 18;
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sd_init_g : integer := 0;
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sd_init_g : integer := 0;
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mmc_compat_clk_div_g : integer := 0;
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mmc_compat_clk_div_g : integer := 0;
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| Line 61... |
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reset_level_g : integer := 0
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reset_level_g : integer := 0
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);
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);
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port (
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port (
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clk_i : in std_logic;
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clk_i : in std_logic;
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reset_i : in std_logic;
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reset_i : in std_logic;
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set_sel_n_i : in std_logic_vector(width_set_sel_g-1 downto 0);
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spi_clk_o : out std_logic;
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spi_clk_o : out std_logic;
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spi_cs_n_o : out std_logic;
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spi_cs_n_o : out std_logic;
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spi_data_in_i : in std_logic;
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spi_data_in_i : in std_logic;
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spi_data_out_o : out std_logic;
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spi_data_out_o : out std_logic;
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spi_en_outs_o : out std_logic;
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spi_en_outs_o : out std_logic;
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| Line 86... |
Line 88... |
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begin
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begin
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spi_boot_b : spi_boot
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spi_boot_b : spi_boot
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generic map (
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generic map (
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width_set_sel_g => 4, -- 16 sets
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width_bit_cnt_g => 12, -- 512 bytes per block
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width_bit_cnt_g => 12, -- 512 bytes per block
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width_img_cnt_g => 2, -- 4 images
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width_img_cnt_g => 2, -- 4 images
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num_bits_per_img_g => 18, -- 256 kByte per image
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num_bits_per_img_g => 18, -- 256 kByte per image
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sd_init_g => 1, -- SD specific initialization
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sd_init_g => 1, -- SD specific initialization
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mmc_compat_clk_div_g => 0, -- no MMC compatibility
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mmc_compat_clk_div_g => 0, -- no MMC compatibility
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width_mmc_clk_div_g => 0 -- no MMC compatibility
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width_mmc_clk_div_g => 0 -- no MMC compatibility
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)
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)
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port map (
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port map (
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clk_i => clk_i,
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clk_i => clk_i,
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reset_i => reset_i,
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reset_i => reset_i,
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set_sel_n_i => set_sel_n_i,
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spi_clk_o => spi_clk_s,
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spi_clk_o => spi_clk_s,
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spi_cs_n_o => spi_cs_n_s,
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spi_cs_n_o => spi_cs_n_s,
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spi_data_in_i => spi_data_in_i,
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spi_data_in_i => spi_data_in_i,
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spi_data_out_o => spi_data_out_s,
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spi_data_out_o => spi_data_out_s,
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spi_en_outs_o => spi_en_outs_s,
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spi_en_outs_o => spi_en_outs_s,
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| Line 131... |
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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-- File History:
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-- File History:
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--
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--
|
-- $Log: not supported by cvs2svn $
|
-- $Log: not supported by cvs2svn $
|
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-- Revision 1.3 2005/02/18 06:42:14 arniml
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-- clarify wording for images
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--
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-- Revision 1.2 2005/02/16 18:54:39 arniml
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-- Revision 1.2 2005/02/16 18:54:39 arniml
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-- added tri-state drivers for spi outputs
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-- added tri-state drivers for spi outputs
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--
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--
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-- Revision 1.1 2005/02/08 20:41:32 arniml
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-- Revision 1.1 2005/02/08 20:41:32 arniml
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-- initial check-in
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-- initial check-in
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