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From: cvs at opencores.org<cvs@o...>
Date: Mon Feb 25 10:13:57 CET 2008
Subject: [cvs-checkins] MODIFIED: usb_dongle_fpga ...
Date: 00/08/02 25:10:13

Modified: usb_dongle_fpga/src/design_top design_top_thincandbg.vhd
Log:
changed version code to 04 and added spy mode by puting jumpers on header and also implemented LPC Firmware Hub read to enable this booting mode (selectable by header jumper see documentation)


Revision Changes Path
1.3 usb_dongle_fpga/src/design_top/design_top_thincandbg.vhd

http://www.opencores.org/cvsweb.shtml/usb_dongle_fpga/src/design_top/design_top_thincandbg.vhd.diff?r1=1.2&r2=1.3

(In the diff below, changes in quantity of whitespace are not shown.)

Index: design_top_thincandbg.vhd
===================================================================
RCS file: /cvsroot/nuubik/usb_dongle_fpga/src/design_top/design_top_thincandbg.vhd,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -b -r1.2 -r1.3
--- design_top_thincandbg.vhd 20 Jun 2007 09:53:40 -0000 1.2
+++ design_top_thincandbg.vhd 25 Feb 2008 09:13:57 -0000 1.3
@@ -63,8 +63,8 @@
--system signals
sys_clk : in std_logic; --25 MHz clk
resetn : in std_logic;
- hdr : out std_logic_vector(10 downto 0);
- --alt_clk : out std_logic; --alternative clock from extention header
+ hdr : inout std_logic_vector(10 downto 0);
+ --alt_clk : out std_logic;
mode : in std_logic_vector(1 downto 0); --sel upper addr bits
--lpc slave interf
lad : inout std_logic_vector(3 downto 0);
@@ -119,6 +119,8 @@
--system signals
lreset_n : in std_logic;
lclk : in std_logic;
+ lena_mem_r : in std_logic; --enable full adress range covering memory read block
+ lena_reads : in std_logic; --enable read capabilities
--LPC bus from host
lad_i : in std_logic_vector(3 downto 0);
lad_o : out std_logic_vector(3 downto 0);
@@ -199,7 +201,8 @@
signal lpc_wr : std_logic; --shared write not read
signal lpc_ack : std_logic;
signal lpc_val : std_logic;
-
+signal lena_mem_r : std_logic; --enable full adress range covering memory read block
+signal lena_reads : std_logic; --enable/disables all read capabilty to make the device post code capturer

signal c25_lpc_val : std_logic;
signal c25_lpc_wr : std_logic; --shared write not read
@@ -236,7 +239,14 @@

begin

+--GPIO PINS START
+
+hdr(2) <= '0'; --create low pin for jumper pair 5-6 (this pin is 6 on J1 header)
+hdr(0) <= 'Z';
+lena_mem_r <= not hdr(0); -- disabled if jumper is not on header pins 1-2
+lena_reads <= hdr(3); -- disabled if jumper is on (jumper makes it a postcode only device)

+--GPIO PINS END

--LED SUBSYSTEM START

@@ -252,7 +262,8 @@
msn_hib => "01111111",--8 --Most signif. of hi byte
lsn_hib => "01111101",--6 --Least signif. of hi byte
msn_lob => "10111111",--0 --Most signif. of hi byte This is version code
- lsn_lob => "01001111" --3 --Least signif. of hi byte This is version code
+ --lsn_lob => "01001111" --3 --Least signif. of hi byte This is version code
+ lsn_lob => "01100110" --4 --Least signif. of hi byte This is version code
)
port map(
clk => sys_clk , -- in std_logic;
@@ -278,6 +289,8 @@
--system signals
lreset_n => lreset_n, -- in std_logic;
lclk => lclk, -- in std_logic;
+ lena_mem_r => lena_mem_r,--: in std_logic; --enable full adress range covering memory read block
+ lena_reads => lena_reads, -- : in std_logic; --enable read capabilities, : in std_logic; --enable read capabilities
--LPC bus from host
lad_i => lad_i, -- in std_logic_vector(3 downto 0);
lad_o => lad_o, -- out std_logic_vector(3 downto 0);
@@ -395,31 +408,6 @@
mem_ack => mem_ack -- out std_logic
);

---hdr(7 downto 0) <= umem_do(7 downto 0) when umem_ack='0' and umem_wr='1' else
--- umem_do(15 downto 8) when umem_ack='1' and umem_wr='1' else
--- mem_do(7 downto 0) when umem_wr='0' else
--- mem_do(15 downto 8);
---hdr(8)<= umem_wr;
---hdr(9)<= umem_val;
---hdr(10)<= umem_ack;
--- usb_rd_n : out std_logic; -- enables out data if low (next byte detected by edge / in usb chip)
--- usb_wr : out std_logic; -- write performed on edge \ of signal
--- usb_txe_n : in std_logic; -- transmit enable (redy for new data if low)
--- usb_rxf_n : in std_logic; -- rx fifo has data if low
-
-hdr(3 downto 0) <= lad_o when lad_oe='1' else - lad; -hdr(4)<= lframe_n; -hdr(5)<= lreset_n; -hdr(6)<= lclk; -hdr(7)<= lpc_ack; - ---hdr(7 downto 0) <= lpc_data_o(7 downto 0); - -hdr(8)<= lpc_val; -hdr(9)<= '1' when lpc_wr='1' and lpc_addr(7 downto 0)=x"88" else - '0'; -hdr(10)<= resetn; USB: usb2mem