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White Rabbit Switch - Gateware
Commit e683378c authored by Grzegorz Daniluk's avatar Grzegorz Daniluk
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[switch-optimization]: multiplex 3 i2c interfaces to single i2c master

parent e44d45dc
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Showing with 15 additions and 43 deletions
general-cores @ 6720a737
Subproject commit 0ec5f930ebab450f86d1be4edbbae56d751bd5ad
Subproject commit 6720a737d477224da42ea21d1d9565d4c2eac963
top/bare_top/scb_top_bare.vhd
View file @ e683378c
......@@ -916,56 +916,28 @@ begin
gpio_o(0) <= gpio_out(0);
gpio_in(0) <= gpio_i(0);
U_MiniBackplane_I2C0 : xwb_i2c_master
U_MiniBackplane_I2C : xwb_i2c_master
generic map (
g_interface_mode => PIPELINED,
g_address_granularity => BYTE)
g_address_granularity => BYTE,
g_num_interfaces => 3)
port map (
clk_sys_i => clk_sys,
rst_n_i => rst_n_periph,
slave_i => cnx_master_out(c_SLAVE_MBL_I2C0),
slave_o => cnx_master_in(c_SLAVE_MBL_I2C0),
desc_o => open,
scl_pad_i => i2c_scl_i(0),
scl_pad_o => i2c_scl_o(0),
scl_padoen_o => i2c_scl_oen_o(0),
sda_pad_i => i2c_sda_i(0),
sda_pad_o => i2c_sda_o(0),
sda_padoen_o => i2c_sda_oen_o(0));
U_MiniBackplane_I2C1 : xwb_i2c_master
generic map (
g_interface_mode => PIPELINED,
g_address_granularity => BYTE)
port map (
clk_sys_i => clk_sys,
rst_n_i => rst_n_periph,
slave_i => cnx_master_out(c_SLAVE_MBL_I2C1),
slave_o => cnx_master_in(c_SLAVE_MBL_I2C1),
desc_o => open,
scl_pad_i => i2c_scl_i(1),
scl_pad_o => i2c_scl_o(1),
scl_padoen_o => i2c_scl_oen_o(1),
sda_pad_i => i2c_sda_i(1),
sda_pad_o => i2c_sda_o(1),
sda_padoen_o => i2c_sda_oen_o(1));
U_Sensors_I2C : xwb_i2c_master
generic map (
g_interface_mode => PIPELINED,
g_address_granularity => BYTE)
port map (
clk_sys_i => clk_sys,
rst_n_i => rst_n_periph,
slave_i => cnx_master_out(c_SLAVE_SENSOR_I2C),
slave_o => cnx_master_in(c_SLAVE_SENSOR_I2C),
desc_o => open,
scl_pad_i => i2c_scl_i(2),
scl_pad_o => i2c_scl_o(2),
scl_padoen_o => i2c_scl_oen_o(2),
sda_pad_i => i2c_sda_i(2),
sda_pad_o => i2c_sda_o(2),
sda_padoen_o => i2c_sda_oen_o(2));
scl_pad_i => i2c_scl_i,
scl_pad_o => i2c_scl_o,
scl_padoen_o => i2c_scl_oen_o,
sda_pad_i => i2c_sda_i,
sda_pad_o => i2c_sda_o,
sda_padoen_o => i2c_sda_oen_o);
cnx_master_in(c_SLAVE_MBL_I2C1).ack <= '1';
cnx_master_in(c_SLAVE_MBL_I2C1).int <= '0';
cnx_master_in(c_SLAVE_SENSOR_I2C).ack <= '1';
cnx_master_in(c_SLAVE_SENSOR_I2C).int <= '0';
--=====================================--
-- PSTATS --
......
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