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White Rabbit core collection
Commit 3151840a authored by Tomasz Wlostowski's avatar Tomasz Wlostowski
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wr_core: added onewire master

parent 11666a38
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Showing with 121 additions and 63 deletions
modules/wrc_core/wr_core.vhd
View file @ 3151840a
......@@ -6,7 +6,7 @@
-- Author : Grzegorz Daniluk
-- Company : Elproma
-- Created : 2011-02-02
-- Last update: 2011-10-30
-- Last update: 2011-11-09
-- Platform : FPGA-generics
-- Standard : VHDL
-------------------------------------------------------------------------------
......@@ -153,24 +153,27 @@ entity wr_core is
-- DAC Control
tm_dac_value_o: out std_logic_vector(23 downto 0);
tm_dac_wr_o: out std_logic;
tm_dac_value_o : out std_logic_vector(23 downto 0);
tm_dac_wr_o : out std_logic;
-- Aux clock lock enable
tm_clk_aux_lock_en_i: in std_logic;
tm_clk_aux_lock_en_i : in std_logic;
-- Aux clock locked flag
tm_clk_aux_locked_o: out std_logic;
tm_clk_aux_locked_o : out std_logic;
-- Timecode output
tm_time_valid_o: out std_logic;
tm_utc_o: out std_logic_vector(39 downto 0);
tm_cycles_o: out std_logic_vector(27 downto 0);
tm_time_valid_o : out std_logic;
tm_utc_o : out std_logic_vector(39 downto 0);
tm_cycles_o : out std_logic_vector(27 downto 0);
rst_aux_n_o: out std_logic;
rst_aux_n_o : out std_logic;
dio_o : out std_logic_vector(3 downto 0)
dio_o : out std_logic_vector(3 downto 0);
owr_en_o : out std_logic;
owr_i : in std_logic
);
end wr_core;
......@@ -643,14 +646,16 @@ begin
rst_net_n_o => rst_net_n_wb,
rst_cpu_n_o => rst_cpu_n_wb,
wb_addr_i => periph_wb_i.addr(11 downto 0),
wb_addr_i => periph_wb_i.addr(12 downto 0),
wb_data_i => periph_wb_i.data,
wb_data_o => periph_wb_o.data,
wb_sel_i => periph_wb_i.sel,
wb_stb_i => periph_wb_i.stb,
wb_cyc_i => periph_wb_i.cyc,
wb_we_i => periph_wb_i.we,
wb_ack_o => periph_wb_o.ack
wb_ack_o => periph_wb_o.ack,
owr_i => owr_i,
owr_en_o => owr_en_o
);
-- gpio_o <= gpio_b;
......
modules/wrc_core/wrc_periph.vhd
View file @ 3151840a
......@@ -6,7 +6,7 @@
-- Author : Grzegorz Daniluk
-- Company : Elproma
-- Created : 2011-04-04
-- Last update: 2011-10-29
-- Last update: 2011-11-09
-- Platform : FPGA-generics
-- Standard : VHDL
-------------------------------------------------------------------------------
......@@ -59,7 +59,10 @@ entity wrc_periph is
rst_cpu_n_o: out std_logic;
rst_net_n_o: out std_logic;
wb_addr_i : in std_logic_vector(11 downto 0);
owr_en_o: out std_logic;
owr_i: in std_logic;
wb_addr_i : in std_logic_vector(12 downto 0);
wb_data_i : in std_logic_vector(31 downto 0);
wb_data_o : out std_logic_vector(31 downto 0);
wb_sel_i : in std_logic_vector(3 downto 0);
......@@ -90,11 +93,36 @@ architecture struct of wrc_periph is
);
end component;
type t_wbdata is array(3 downto 0) of std_logic_vector(31 downto 0);
component wb_onewire_master
generic (
g_interface_mode : t_wishbone_interface_mode;
g_address_granularity : t_wishbone_address_granularity;
g_num_ports : integer;
g_ow_btp_normal : string;
g_ow_btp_overdrive : string);
port (
clk_sys_i : in std_logic;
rst_n_i : in std_logic;
wb_cyc_i : in std_logic;
wb_sel_i : in std_logic_vector(c_wishbone_data_width/8-1 downto 0);
wb_stb_i : in std_logic;
wb_we_i : in std_logic;
wb_adr_i : in std_logic_vector(2 downto 0);
wb_dat_i : in std_logic_vector(c_wishbone_data_width-1 downto 0);
wb_dat_o : out std_logic_vector(c_wishbone_data_width-1 downto 0);
wb_ack_o : out std_logic;
wb_int_o : out std_logic;
wb_stall_o : out std_logic;
owr_pwren_o : out std_logic_vector(g_num_ports -1 downto 0);
owr_en_o : out std_logic_vector(g_num_ports -1 downto 0);
owr_i : in std_logic_vector(g_num_ports -1 downto 0));
end component;
type t_wbdata is array(4 downto 0) of std_logic_vector(31 downto 0);
signal wb_cycs_i : std_logic_vector(3 downto 0);
signal wb_stbs_i : std_logic_vector(3 downto 0);
signal wb_acks_o : std_logic_vector(3 downto 0);
signal wb_cycs_i : std_logic_vector(4 downto 0);
signal wb_stbs_i : std_logic_vector(4 downto 0);
signal wb_acks_o : std_logic_vector(4 downto 0);
signal wb_dats_o : t_wbdata;
signal wb_ack_int : std_logic;
......@@ -106,21 +134,23 @@ begin
GENWB:
for I in 0 to 3 generate
for I in 0 to 4 generate
wb_cycs_i(I) <= wb_cyc_i and wb_addr_i(8+I);
wb_stbs_i(I) <= wb_stb_i and wb_addr_i(8+I);
end generate;
wb_ack_int <= wb_acks_o(0) when (wb_addr_i(11 downto 8)="0001") else
wb_acks_o(1) when (wb_addr_i(11 downto 8)="0010") else
wb_acks_o(2) when (wb_addr_i(11 downto 8)="0100") else
wb_acks_o(3) when (wb_addr_i(11 downto 8)="1000") else
wb_ack_int <= wb_acks_o(0) when (wb_addr_i(12 downto 8)="00001") else
wb_acks_o(1) when (wb_addr_i(12 downto 8)="00010") else
wb_acks_o(2) when (wb_addr_i(12 downto 8)="00100") else
wb_acks_o(3) when (wb_addr_i(12 downto 8)="01000") else
wb_acks_o(4) when (wb_addr_i(12 downto 8)="10000") else
'0';
wb_data_o <= wb_dats_o(0) when (wb_addr_i(11 downto 8)="0001") else
wb_dats_o(1) when (wb_addr_i(11 downto 8)="0010") else
wb_dats_o(2) when (wb_addr_i(11 downto 8)="0100") else
wb_dats_o(3) when (wb_addr_i(11 downto 8)="1000") else
wb_data_o <= wb_dats_o(0) when (wb_addr_i(12 downto 8)="00001") else
wb_dats_o(1) when (wb_addr_i(12 downto 8)="00010") else
wb_dats_o(2) when (wb_addr_i(12 downto 8)="00100") else
wb_dats_o(3) when (wb_addr_i(12 downto 8)="01000") else
wb_dats_o(4) when (wb_addr_i(12 downto 8)="10000") else
(others=>'0');
GPIO: wb_gpio_port
......@@ -200,6 +230,27 @@ begin
wb_ack_o => wb_acks_o(3)
);
U_OW: wb_onewire_master
generic map (
g_interface_mode => CLASSIC,
g_address_granularity => WORD,
g_num_ports => 1,
g_ow_btp_normal => "5.0",
g_ow_btp_overdrive => "1.0")
port map (
clk_sys_i => clk_sys_i,
rst_n_i => rst_n_i,
wb_cyc_i => wb_cycs_i(4),
wb_sel_i => "1111",
wb_stb_i => wb_stbs_i(4),
wb_we_i => wb_we_i,
wb_adr_i => wb_addr_i(2 downto 0),
wb_dat_i => wb_data_i,
wb_dat_o => wb_dats_o(4),
wb_ack_o => wb_acks_o(4),
owr_en_o(0) => owr_en_o,
owr_i(0) => owr_i);
wb_ack_o <= wb_ack_int;
end struct;
modules/wrc_core/wrcore_pkg.vhd
View file @ 3151840a
......@@ -68,14 +68,16 @@ package wrcore_pkg is
uart_txd_o : out std_logic;
rst_cpu_n_o : out std_logic;
rst_net_n_o : out std_logic;
wb_addr_i : in std_logic_vector(11 downto 0);
wb_addr_i : in std_logic_vector(12 downto 0);
wb_data_i : in std_logic_vector(31 downto 0);
wb_data_o : out std_logic_vector(31 downto 0);
wb_sel_i : in std_logic_vector(3 downto 0);
wb_stb_i : in std_logic;
wb_cyc_i : in std_logic;
wb_we_i : in std_logic;
wb_ack_o : out std_logic);
wb_ack_o : out std_logic;
owr_i: in std_logic;
owr_en_o: out std_logic);
end component;
component wb_reset
......
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