LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
+Library UNISIM;
+use UNISIM.vcomponents.all;
entity ethernet is
PORT(
MD_PAD_IO : INOUT std_logic;
MDC_PAD_O : OUT std_logic;
+ PHY_CLOCK : OUT std_logic;
+
LED_2 : OUT std_logic
);
end ethernet;
);
end component;
+component phydcm is
+port ( CLKIN_IN : in std_logic;
+ RST_IN : in std_logic;
+ CLKFX_OUT : out std_logic;
+ CLK0_OUT : out std_logic;
+ LOCKED_OUT : out std_logic);
+end component;
+
+signal pci_rst_i : std_logic;
signal pci_rst_o : std_logic;
signal pci_rst_oe_o : std_logic;
+signal pci_inta_i : std_logic;
signal pci_inta_o : std_logic;
signal pci_inta_oe_o : std_logic;
signal pci_req_o : std_logic;
signal pci_req_oe_o : std_logic;
+signal pci_frame_i : std_logic;
signal pci_frame_o : std_logic;
signal pci_frame_oe_o : std_logic;
+signal pci_irdy_i : std_logic;
signal pci_irdy_o : std_logic;
signal pci_irdy_oe_o : std_logic;
+signal pci_devsel_i : std_logic;
signal pci_devsel_o : std_logic;
signal pci_devsel_oe_o : std_logic;
+signal pci_trdy_i : std_logic;
signal pci_trdy_o : std_logic;
signal pci_trdy_oe_o : std_logic;
+signal pci_stop_i : std_logic;
signal pci_stop_o : std_logic;
signal pci_stop_oe_o : std_logic;
+signal pci_par_i : std_logic;
signal pci_par_o : std_logic;
signal pci_par_oe_o : std_logic;
+signal pci_perr_i : std_logic;
signal pci_perr_o : std_logic;
signal pci_perr_oe_o : std_logic;
+signal pci_serr_i : std_logic;
signal pci_serr_o : std_logic;
signal pci_serr_oe_o : std_logic;
signal pci_ad_oe_o : std_logic_vector(31 downto 0);
signal pci_cbe_oe_o : std_logic_vector(3 downto 0);
+signal pci_ad_i : std_logic_vector (31 downto 0);
signal pci_ad_o : std_logic_vector (31 downto 0);
+signal pci_cbe_i : std_logic_vector (3 downto 0);
signal pci_cbe_o : std_logic_vector (3 downto 0);
signal wb_clk_i : std_logic;
signal m_wb_stb_o : std_logic;
signal m_wb_ack_i : std_logic;
signal m_wb_err_i : std_logic;
+signal md_pad_i : std_logic;
signal md_pad_o : std_logic;
signal md_padoe_o : std_logic;
signal int_o : std_logic;
signal wbm_adr_o : std_logic_vector(31 downto 0);
+signal mdc_pad_o_watch : std_logic;
signal m_wb_cti_o : std_logic_vector(2 downto 0);
signal m_wb_bte_o : std_logic_vector(1 downto 0);
BEGIN
-PCI_RSTn <= pci_rst_o when (pci_rst_oe_o = '1') else 'Z';
-PCI_INTAn <= pci_inta_o when (pci_inta_oe_o = '1') else 'Z';
-PCI_REQn <= pci_req_o when (pci_req_oe_o = '1') else 'Z';
-PCI_FRAMEn <= pci_frame_o when (pci_frame_oe_o = '1') else 'Z';
-PCI_IRDYn <= pci_irdy_o when (pci_irdy_oe_o = '1') else 'Z';
-PCI_DEVSELn <= pci_devsel_o when (pci_devsel_oe_o = '1') else 'Z';
-PCI_TRDYn <= pci_trdy_o when (pci_trdy_oe_o = '1') else 'Z';
-PCI_STOPn <= pci_stop_o when (pci_stop_oe_o = '1') else 'Z';
-PCI_PAR <= pci_par_o when (pci_par_oe_o = '1') else 'Z';
-PCI_PERRn <= pci_perr_o when (pci_perr_oe_o = '1') else 'Z';
-PCI_SERRn <= pci_serr_o when (pci_serr_oe_o = '1') else 'Z';
-MD_PAD_IO <= md_pad_o when (md_padoe_o = '1') else 'Z';
+IOBUF_PCI_RSTn: IOBUF
+port map (
+ IO => PCI_RSTn,
+ T => pci_rst_oe_o,
+ I => pci_rst_o,
+ O => pci_rst_i
+);
+IOBUF_PCI_INTAn: IOBUF
+port map (
+ IO => PCI_INTAn,
+ T => pci_inta_oe_o,
+ I => pci_inta_o,
+ O => pci_inta_i
+);
+OBUFT_PCI_REQn: OBUFT
+port map (
+ O => PCI_REQn,
+ T => pci_req_oe_o,
+ I => pci_req_o
+);
+IOBUF_PCI_FRAMEn: IOBUF
+port map (
+ IO => PCI_FRAMEn,
+ T => pci_frame_oe_o,
+ I => pci_frame_o,
+ O => pci_frame_i
+);
+IOBUF_PCI_IRDYn: IOBUF
+port map (
+ IO => PCI_IRDYn,
+ T => pci_irdy_oe_o,
+ I => pci_irdy_o,
+ O => pci_irdy_i
+);
+IOBUF_PCI_DEVSELn: IOBUF
+port map (
+ IO => PCI_DEVSELn,
+ T => pci_devsel_oe_o,
+ I => pci_devsel_o,
+ O => pci_devsel_i
+);
+IOBUF_PCI_TRDYn: IOBUF
+port map (
+ IO => PCI_TRDYn,
+ T => pci_trdy_oe_o,
+ I => pci_trdy_o,
+ O => pci_trdy_i
+);
+IOBUF_PCI_STOPn: IOBUF
+port map (
+ IO => PCI_STOPn,
+ T => pci_stop_oe_o,
+ I => pci_stop_o,
+ O => pci_stop_i
+);
+IOBUF_PCI_PAR: IOBUF
+port map (
+ IO => PCI_PAR,
+ T => pci_par_oe_o,
+ I => pci_par_o,
+ O => pci_par_i
+);
+IOBUF_PCI_PERRn: IOBUF
+port map (
+ IO => PCI_PERRn,
+ T => pci_perr_oe_o,
+ I => pci_perr_o,
+ O => pci_perr_i
+);
+IOBUF_PCI_SERRn: IOBUF
+port map (
+ IO => PCI_SERRn,
+ T => pci_serr_oe_o,
+ I => pci_serr_o,
+ O => pci_serr_i
+);
+IOBUF_MD_PAD_IO: IOBUF
+port map (
+ IO => MD_PAD_IO,
+ T => md_padoe_o,
+ I => md_pad_o,
+ O => md_pad_i
+);
BLA1: FOR i in 31 downto 0 generate
-PCI_AD(i) <= pci_ad_o(i) when (pci_ad_oe_o(i) = '1') else 'Z';
+IOBUF_PCI_AD: IOBUF
+port map (
+ IO => PCI_AD(i),
+ T => pci_ad_oe_o(i),
+ I => pci_ad_o(i),
+ O => pci_ad_i(i)
+);
end generate;
BLA2: FOR i in 3 downto 0 generate
-PCI_CBEn(i) <= pci_cbe_o(i) when (pci_cbe_oe_o(i) = '1') else 'Z';
+IOBUF_PCI_CBEn: IOBUF
+port map (
+ IO => PCI_CBEn(i),
+ T => pci_cbe_oe_o(i),
+ I => pci_cbe_o(i),
+ O => pci_cbe_i(i)
+);
end generate;
wb_adr_i(11 downto 8) <= (others => '0');
wb_clk_i <= PCI_CLOCK;
data(31 downto 0) <= wbm_adr_o;
-data(40 downto 33) <= wbm_adr_o (7 downto 0);
-data(63 downto 41) <= (others => '0');
+data(39 downto 32) <= wbm_adr_o (7 downto 0);
+data(40) <= md_pad_i;
+data(41) <= md_pad_o;
+data(42) <= md_padoe_o;
+data(43) <= mdc_pad_o_watch;
+data(44) <= pci_inta_o;
+data(63 downto 45) <= (others => '0');
+
+MDC_PAD_O <= mdc_pad_o_watch;
trig0(31 downto 0) <= (
0 => wb_stb_i,
+ 1 => md_pad_i,
+ 2 => md_pad_o,
+ 3 => md_padoe_o,
others => '0'
);
wbm_rty_i => '0',
wbm_err_i => wb_err_o,
pci_clk_i => PCI_CLOCK,
- pci_rst_i => PCI_RSTn,
+ pci_rst_i => pci_rst_i,
pci_rst_o => pci_rst_o ,
pci_rst_oe_o => pci_rst_oe_o,
- pci_inta_i => PCI_INTAn,
+ pci_inta_i => pci_inta_i,
pci_inta_o => pci_inta_o,
pci_inta_oe_o => pci_inta_oe_o,
pci_req_o => pci_req_o,
pci_req_oe_o => pci_req_oe_o,
pci_gnt_i => PCI_GNTn,
- pci_frame_i => PCI_FRAMEn,
+ pci_frame_i => pci_frame_i,
pci_frame_o => pci_frame_o,
pci_frame_oe_o => pci_frame_oe_o,
pci_irdy_oe_o => pci_irdy_oe_o,
pci_stop_oe_o => pci_stop_oe_o,
pci_ad_oe_o => pci_ad_oe_o,
pci_cbe_oe_o => pci_cbe_oe_o,
- pci_irdy_i => PCI_IRDYn,
+ pci_irdy_i => pci_irdy_i,
pci_irdy_o => pci_irdy_o,
pci_idsel_i => PCI_IDSEL,
- pci_devsel_i => PCI_DEVSELn,
+ pci_devsel_i => pci_devsel_i,
pci_devsel_o => pci_devsel_o,
- pci_trdy_i => PCI_TRDYn,
+ pci_trdy_i => pci_trdy_i,
pci_trdy_o => pci_trdy_o,
- pci_stop_i => PCI_STOPn,
+ pci_stop_i => pci_stop_i,
pci_stop_o => pci_stop_o,
- pci_ad_i => PCI_AD,
+ pci_ad_i => pci_ad_i,
pci_ad_o => pci_ad_o,
- pci_cbe_i => PCI_CBEn,
+ pci_cbe_i => pci_cbe_i,
pci_cbe_o => pci_cbe_o,
- pci_par_i => PCI_PAR,
+ pci_par_i => pci_par_i,
pci_par_o => pci_par_o,
pci_par_oe_o => pci_par_oe_o,
- pci_perr_i => PCI_PERRn,
+ pci_perr_i => pci_perr_i,
pci_perr_o => pci_perr_o,
pci_perr_oe_o => pci_perr_oe_o,
pci_serr_o => pci_serr_o,
mrxerr_pad_i => MRXERR_PAD_I,
mcoll_pad_i => MCOLL_PAD_I,
mcrs_pad_i => MCRS_PAD_I,
- mdc_pad_o => MDC_PAD_O,
- md_pad_i => MD_PAD_IO,
+ mdc_pad_o => mdc_pad_o_watch,
+ md_pad_i => md_pad_i,
md_pad_o => md_pad_o,
md_padoe_o => md_padoe_o,
m_wb_cti_o => m_wb_cti_o,
trig0 => trig0
);
+eth_dcm : phydcm
+port map (
+ CLKIN_IN => PCI_CLOCK,
+ RST_IN => not pci_rst_i,
+ CLKFX_OUT => PHY_CLOCK,
+ CLK0_OUT => open,
+ LOCKED_OUT => open
+ );
+
end architecture ethernet_arch;
projects / raggedstone / blobdiff