| 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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-- Generic testbench element for a specific feature set
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-- Generic testbench element for a specific feature set
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--
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--
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-- $Id: tb_elem.vhd,v 1.3 2005-02-16 19:34:56 arniml Exp $
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-- $Id: tb_elem.vhd,v 1.4 2005-02-17 18:59:23 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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| Line 236... |
Line 236... |
rise_clk(1);
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rise_clk(1);
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cfg_init_n_s <= '0';
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cfg_init_n_s <= '0';
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rise_clk(3);
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rise_clk(3);
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cfg_init_n_s <= '1';
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cfg_init_n_s <= '1';
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|
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-- and receive 32 bytes from set 0
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-- and receive 32 bytes from image 0
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for i in 1 to 32 loop
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for i in 1 to 32 loop
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temp_v := addr_v(0) & calc_crc(addr_v);
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temp_v := addr_v(0) & calc_crc(addr_v);
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read_check_byte(temp_v);
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read_check_byte(temp_v);
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addr_v := addr_v + 1;
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addr_v := addr_v + 1;
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end loop;
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end loop;
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start_s <= '0';
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start_s <= '0';
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cfg_done_s <= '1';
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cfg_done_s <= '1';
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|
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rise_clk(10);
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rise_clk(10);
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-- request next set
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-- request next image
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mode_s <= '0';
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mode_s <= '0';
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start_s <= '1';
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start_s <= '1';
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addr_v := (others => '0');
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addr_v := (others => '0');
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addr_v(19 downto 18) := "01"; -- must match num_bits_per_set_g in chip-*-a.vhd
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addr_v(19 downto 18) := "01"; -- must match num_bits_per_img_g in chip-*-a.vhd
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dat_done_s <= '0';
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dat_done_s <= '0';
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|
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-- receive another 32 bytes from set 1
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-- receive another 32 bytes from image 1
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for i in 1 to 32 loop
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for i in 1 to 32 loop
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temp_v := addr_v(0) & calc_crc(addr_v);
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temp_v := addr_v(0) & calc_crc(addr_v);
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read_check_byte(temp_v);
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read_check_byte(temp_v);
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addr_v := addr_v + 1;
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addr_v := addr_v + 1;
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end loop;
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end loop;
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| Line 266... |
Line 266... |
dat_done_s <= '1';
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dat_done_s <= '1';
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|
|
|
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rise_clk(10);
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rise_clk(10);
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|
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-- request next set
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-- request next image
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mode_s <= '1';
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mode_s <= '1';
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start_s <= '1';
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start_s <= '1';
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addr_v := (others => '0');
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addr_v := (others => '0');
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addr_v(19 downto 18) := "10"; -- must match num_bits_per_set_g in chip-*-a.vhd
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addr_v(19 downto 18) := "10"; -- must match num_bits_per_img_g in chip-*-a.vhd
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|
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wait until config_n_s = '0';
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wait until config_n_s = '0';
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-- run through configuration sequence
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-- run through configuration sequence
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rise_clk(1);
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rise_clk(1);
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cfg_done_s <= '0';
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cfg_done_s <= '0';
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cfg_init_n_s <= '0';
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cfg_init_n_s <= '0';
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rise_clk(3);
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rise_clk(3);
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cfg_init_n_s <= '1';
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cfg_init_n_s <= '1';
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|
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-- receive another 32 bytes from set 2
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-- receive another 32 bytes from image 2
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for i in 1 to 32 loop
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for i in 1 to 32 loop
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temp_v := addr_v(0) & calc_crc(addr_v);
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temp_v := addr_v(0) & calc_crc(addr_v);
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read_check_byte(temp_v);
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read_check_byte(temp_v);
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addr_v := addr_v + 1;
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addr_v := addr_v + 1;
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end loop;
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end loop;
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| Line 305... |
Line 305... |
|
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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-- File History:
|
-- File History:
|
--
|
--
|
-- $Log: not supported by cvs2svn $
|
-- $Log: not supported by cvs2svn $
|
|
-- Revision 1.3 2005/02/16 19:34:56 arniml
|
|
-- add weak pull-ups for SPI lines
|
|
--
|
-- Revision 1.2 2005/02/13 17:14:03 arniml
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-- Revision 1.2 2005/02/13 17:14:03 arniml
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-- change dat_done handling
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-- change dat_done handling
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--
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--
|
-- Revision 1.1 2005/02/08 21:09:20 arniml
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-- Revision 1.1 2005/02/08 21:09:20 arniml
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-- initial check-in
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-- initial check-in
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