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occomp.vhd
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------------------------------------------------------------------------------
-- This file is a part of the GRLIB VHDL IP LIBRARY
-- Copyright (C) 2003 - 2008, Gaisler Research
-- Copyright (C) 2008 - 2010, Aeroflex Gaisler
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
library ieee;
use ieee.std_logic_1164.all;
package occomp is
component ac97_top
port(
clk_i : in std_logic;
rst_i : in std_logic;
wb_data_i : in std_logic_vector(31 downto 0);
wb_data_o : out std_logic_vector(31 downto 0);
wb_addr_i : in std_logic_vector(31 downto 0);
wb_sel_i : in std_logic_vector(3 downto 0);
wb_we_i : in std_logic;
wb_cyc_i : in std_logic;
wb_stb_i : in std_logic;
wb_ack_o : out std_logic;
wb_err_o : out std_logic;
int_o : out std_logic;
dma_req_o : out std_logic_vector(8 downto 0);
dma_ack_i : in std_logic_vector(8 downto 0);
suspended_o : out std_logic;
bit_clk_pad_i : in std_logic;
sync_pad_o : out std_logic;
sdata_pad_o : out std_logic;
sdata_pad_i : in std_logic;
ac97_resetn_pad_o : out std_logic
);
end component;
component simple_spi_top
port (
prdata_o : out std_logic_vector(7 downto 0);
pirq_o : out std_logic;
sck_o : out std_logic;
mosi_o : out std_logic;
ssn_o : out std_logic_vector(7 downto 0);
pclk_i : in std_logic;
prst_i : in std_logic;
psel_i : in std_logic;
penable_i : in std_logic;
paddr_i : in std_logic_vector(2 downto 0);
pwrite_i : in std_logic;
pwdata_i : in std_logic_vector(7 downto 0);
miso_i : in std_logic);
end component;
component ocidec2_controller
generic(
TWIDTH : natural := 8; -- counter width
-- PIO mode 0 settings (@100MHz clock)
PIO_mode0_T1 : natural := 6; -- 70ns
PIO_mode0_T2 : natural := 28; -- 290ns
PIO_mode0_T4 : natural := 2; -- 30ns
PIO_mode0_Teoc : natural := 23 -- 240ns ==> T0 - T1 - T2 = 600 - 70 - 290 = 240
);
port(
clk : in std_logic; -- master clock in
nReset : in std_logic := '1'; -- asynchronous active low reset
rst : in std_logic := '0'; -- synchronous active high reset
irq : out std_logic; -- interrupt request signal
-- control / registers
IDEctrl_rst,
IDEctrl_IDEen,
IDEctrl_FATR0,
IDEctrl_FATR1 : in std_logic;
-- PIO registers
cmdport_T1,
cmdport_T2,
cmdport_T4,
cmdport_Teoc : in std_logic_vector(7 downto 0);
cmdport_IORDYen : in std_logic; -- PIO command port / non-fast timing
dport0_T1,
dport0_T2,
dport0_T4,
dport0_Teoc : in std_logic_vector(7 downto 0);
dport0_IORDYen : in std_logic; -- PIO mode data-port / fast timing device 0
dport1_T1,
dport1_T2,
dport1_T4,
dport1_Teoc : in std_logic_vector(7 downto 0);
dport1_IORDYen : in std_logic; -- PIO mode data-port / fast timing device 1
PIOreq : in std_logic; -- PIO transfer request
PIOack : out std_logic; -- PIO transfer ended
PIOa : in std_logic_vector(3 downto 0); -- PIO address
PIOd : in std_logic_vector(15 downto 0); -- PIO data in
PIOq : out std_logic_vector(15 downto 0); -- PIO data out
PIOwe : in std_logic; -- PIO direction bit '1'=write, '0'=read
-- ATA signals
RESETn : out std_logic;
DDi : in std_logic_vector(15 downto 0);
DDo : out std_logic_vector(15 downto 0);
DDoe : out std_logic;
DA : out std_logic_vector(2 downto 0);
CS0n : out std_logic;
CS1n : out std_logic;
DIORn : out std_logic;
DIOWn : out std_logic;
IORDY : in std_logic;
INTRQ : in std_logic
);
end component ocidec2_controller;
component atahost_controller
generic(
tech : integer := 0; -- fifo mem technology
fdepth : integer := 8; -- DMA fifo depth
TWIDTH : natural := 8; -- counter width
-- PIO mode 0 settings (@100MHz clock)
PIO_mode0_T1 : natural := 6; -- 70ns
PIO_mode0_T2 : natural := 28; -- 290ns
PIO_mode0_T4 : natural := 2; -- 30ns
PIO_mode0_Teoc : natural := 23; -- 240ns ==> T0 - T1 - T2 = 600 - 70 - 290 = 240
-- Multiword DMA mode 0 settings (@100MHz clock)
DMA_mode0_Tm : natural := 4; -- 50ns
DMA_mode0_Td : natural := 21; -- 215ns
DMA_mode0_Teoc : natural := 21 -- 215ns ==> T0 - Td - Tm = 480 - 50 - 215 = 215
);
port(
clk : in std_logic; -- master clock in
nReset : in std_logic := '1'; -- asynchronous active low reset
rst : in std_logic := '0'; -- synchronous active high reset
irq : out std_logic; -- interrupt request signal
-- control / registers
IDEctrl_IDEen,
IDEctrl_rst,
IDEctrl_ppen,
IDEctrl_FATR0,
IDEctrl_FATR1 : in std_logic; -- control register settings
a : in std_logic_vector(3 downto 0); -- address input
d : in std_logic_vector(31 downto 0); -- data input
we : in std_logic; -- write enable input '1'=write, '0'=read
-- PIO registers
PIO_cmdport_T1,
PIO_cmdport_T2,
PIO_cmdport_T4,
PIO_cmdport_Teoc : in std_logic_vector(7 downto 0);
PIO_cmdport_IORDYen : in std_logic; -- PIO compatible timing settings
PIO_dport0_T1,
PIO_dport0_T2,
PIO_dport0_T4,
PIO_dport0_Teoc : in std_logic_vector(7 downto 0);
PIO_dport0_IORDYen : in std_logic; -- PIO data-port device0 timing settings
PIO_dport1_T1,
PIO_dport1_T2,
PIO_dport1_T4,
PIO_dport1_Teoc : in std_logic_vector(7 downto 0);
PIO_dport1_IORDYen : in std_logic; -- PIO data-port device1 timing settings
PIOsel : in std_logic; -- PIO controller select
PIOack : out std_logic; -- PIO controller acknowledge
PIOq : out std_logic_vector(15 downto 0); -- PIO data out
PIOtip : out std_logic :='0'; -- PIO transfer in progress
PIOpp_full : out std_logic; -- PIO Write PingPong full
-- DMA registers
DMA_dev0_Td,
DMA_dev0_Tm,
DMA_dev0_Teoc : in std_logic_vector(7 downto 0); -- DMA timing settings for device0
DMA_dev1_Td,
DMA_dev1_Tm,
DMA_dev1_Teoc : in std_logic_vector(7 downto 0); -- DMA timing settings for device1
DMActrl_DMAen,
DMActrl_dir,
DMActrl_Bytesw, --Jagre 2006-12-04 byte swap ATA data
DMActrl_BeLeC0,
DMActrl_BeLeC1 : in std_logic; -- DMA settings
DMAsel : in std_logic; -- DMA controller select
DMAack : out std_logic; -- DMA controller acknowledge
DMAq : out std_logic_vector(31 downto 0); -- DMA data out
DMAtip_out : out std_logic; -- DMA transfer in progress --Erik Jagre 2006-11-15
DMA_dmarq : out std_logic; -- Synchronized ATA DMARQ line
force_rdy : in std_logic; -- DMA transmit fifo filled up partly --Erik Jagre 2006-10-31
fifo_rdy : out std_logic; -- DMA transmit fifo filled up --Erik Jagre 2006-10-30
DMARxEmpty : out std_logic; -- DMA receive buffer empty
DMARxFull : out std_logic; -- DMA receive fifo full Erik Jagre 2006-10-31
DMA_req : out std_logic; -- DMA request to external DMA engine
DMA_ack : in std_logic; -- DMA acknowledge from external DMA engine
BM_en : in std_logic; -- Bus mater enabled, for DMA reset Erik Jagre 2006-10-24
-- ATA signals
RESETn : out std_logic;
DDi : in std_logic_vector(15 downto 0);
DDo : out std_logic_vector(15 downto 0);
DDoe : out std_logic;
DA : out std_logic_vector(2 downto 0) := "000";
CS0n : out std_logic;
CS1n : out std_logic;
DMARQ : in std_logic;
DMACKn : out std_logic;
DIORn : out std_logic;
DIOWn : out std_logic;
IORDY : in std_logic;
INTRQ : in std_logic
);
end component;
component ata_device_oc is
port(
ata_rst_n : in std_logic;
ata_data : inout std_logic_vector(15 downto 0);
ata_da : in std_logic_vector(2 downto 0);
ata_cs0 : in std_logic;
ata_cs1 : in std_logic;
ata_dior_n : in std_logic;
ata_diow_n : in std_logic;
ata_iordy : out std_logic;
ata_intrq : out std_logic
);
end component;
end;