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- added 'page_mode_en' for async_port

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git-svn-id: http://moon:8086/svn/vhdl/trunk@551 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2009-10-28 22:45:36 +00:00
parent 9ea208eaf0
commit a3d54edf64
3 changed files with 452 additions and 435 deletions
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projects/mips_sys/src/mips_sys_sim.vhd
+5
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@@ -213,6 +213,7 @@ ARCHITECTURE behavior OF mips_sys IS
ADDR_I : in unsigned(31 downto 0);
DAT_I : in unsigned(31 downto 0);
DAT_O : out unsigned(31 downto 0);
page_mode_en : in STD_LOGIC;
async_a : out unsigned(addr_width-1 downto 0);
async_d : inout unsigned(data_width-1 downto 0);
async_cs : out std_logic;
@@ -382,6 +383,7 @@ ARCHITECTURE behavior OF mips_sys IS
signal flash_we_n : std_logic;
signal flash_d_drv : std_logic;
signal flash_bsy : std_logic;
signal flash_page_mode_en : std_logic;
-- Arbiter
constant ARB_MAX_MASTER : natural := 2;
@@ -599,8 +601,10 @@ mem_mux:
process(ADDR_O)
begin
mem_area <= mem_dead;
flash_page_mode_en <= '0';
if ADDR_O(31 downto 28) = X"0" then
mem_area <= mem_flash;
flash_page_mode_en <= '1';
elsif ADDR_O(31 downto 28) = X"A" then
if ADDR_O(27 downto 26) = "00" then
if ADDR_O(18 downto 16) = "000" then
@@ -834,6 +838,7 @@ inst_usb_port : async_port_wb
ADDR_I => ADDR_I_usb,
DAT_I => MDAT_O,
DAT_O => SDAT_O_usb,
page_mode_en => '0',
async_a => sys_usb_a,
async_d => sys_usb_d,
async_cs => sys_usb_csn,