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White Rabbit Switch - Gateware
Commit fbf88efd authored by Grzegorz Daniluk's avatar Grzegorz Daniluk
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swcore: move some constants to swcore_pkg, add shared arrays for ll pages

parent 3c083b1a
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Showing with 11 additions and 2 deletions
modules/wrsw_swcore/swc_swcore_pkg.vhd
View file @ fbf88efd
......@@ -54,6 +54,11 @@ use work.swc_wbgen2_pkg.all;
package swc_swcore_pkg is
-- Constants that configure the SwCore
constant c_ll_addr_width : integer := 10; -- calculated for mem size 64kB and page size 64 words (128B)
constant c_ll_data_width : integer := 15; -- calculated for addr_width=10; oobsize=2, +3
----------------------------------------
type t_swcore_gen_parameters is record
num_ports: integer;
mem_pages: integer;
......@@ -65,6 +70,10 @@ package swc_swcore_pkg is
type t_classes_array is array(integer range <>) of std_logic_vector(7 downto 0);
type t_ports_masks is array(integer range <>) of std_logic_vector(c_RTU_MAX_PORTS+1-1 downto 0);
type t_lladr_array is array(integer range <>) of std_logic_vector(c_ll_addr_width-1 downto 0);
type t_lldat_array is array(integer range <>) of std_logic_vector(c_ll_data_width-1 downto 0);
component swc_prio_encoder
generic (
g_num_inputs : integer range 2 to 80;
......
modules/wrsw_swcore/xswc_core.vhd
View file @ fbf88efd
......@@ -157,8 +157,8 @@ architecture rtl of xswc_core is
constant c_mpm_partial_sel_width : integer := integer(g_wb_sel_width-1);
constant c_mpm_page_size_width : integer := integer(CEIL(LOG2(real(g_mpm_page_size-1))));
constant c_ll_addr_width : integer := c_mpm_page_addr_width;
constant c_ll_data_width : integer := c_mpm_page_addr_width + c_max_oob_size_width + 3;
--constant c_ll_addr_width : integer := c_mpm_page_addr_width;
--constant c_ll_data_width : integer := c_mpm_page_addr_width + c_max_oob_size_width + 3;
-- resource management -----------------------
constant c_res_mmu_max_pck_size : integer := 759; -- in 16 bit words (1518 [octets])/(2 [octets])
......
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