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[top] add dual-core configuration generic

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stnolting 2024-12-30 13:22:34 +01:00
parent f37444c47a
commit ff135fafa8
2 changed files with 10 additions and 9 deletions
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4
rtl/core/neorv32_package.vhd
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@ -721,7 +721,9 @@ package neorv32_package is
generic (
-- Processor Clocking --
CLOCK_FREQUENCY : natural := 0;
-- Identification --
-- Dual-Core Configuration --
DUAL_CORE_EN : boolean := false;
-- Core Identification --
JEDEC_ID : std_ulogic_vector(10 downto 0) := "00000000000";
-- Boot Configuration --
BOOT_MODE_SELECT : natural range 0 to 2 := 0;

15
rtl/core/neorv32_top.vhd
View file

@ -24,6 +24,9 @@ entity neorv32_top is
-- Processor Clocking --
CLOCK_FREQUENCY : natural := 0; -- clock frequency of clk_i in Hz
-- Dual-Core Configuration --
DUAL_CORE_EN : boolean := false; -- enable dual-core homogeneous SMP
-- Core Identification --
JEDEC_ID : std_ulogic_vector(10 downto 0) := "00000000000"; -- JEDEC ID: continuation codes + vendor ID
@ -257,10 +260,6 @@ end neorv32_top;
architecture neorv32_top_rtl of neorv32_top is
-- FIXME / TODO --
constant DUAL_CORE_EN : boolean := false;
-- FIXME / TODO --
-- ----------------------------------------------------------
-- Boot Configuration (BOOT_MODE_SELECT)
-- ----------------------------------------------------------
@ -365,7 +364,7 @@ begin
-- show SoC configuration --
assert false report
"[NEORV32] Processor Configuration: CPU " & -- cpu core is always enabled
cond_sel_string_f(DUAL_CORE_EN, "(dual-core) ", "(single-core) ") &
cond_sel_string_f(DUAL_CORE_EN, "(dual-core-smp) ", "(single-core) ") &
cond_sel_string_f(MEM_INT_IMEM_EN, cond_sel_string_f(imem_as_rom_c, "IMEM-ROM ", "IMEM "), "") &
cond_sel_string_f(MEM_INT_DMEM_EN, "DMEM ", "") &
cond_sel_string_f(bootrom_en_c, "BOOTROM ", "") &
@ -632,7 +631,7 @@ begin
port map (
clk_i => clk_i,
rstn_i => rstn_sys,
a_lock_i => '0', -- no exclusive accesses
a_lock_i => '0', -- no exclusive accesses
a_req_i => dcache_req(i), -- prioritized
a_rsp_o => dcache_rsp(i),
b_req_i => icache_req(i),
@ -658,8 +657,8 @@ begin
clk_i => clk_i,
rstn_i => rstn_sys,
a_lock_i => '0',
a_req_i => core_req(0),
a_rsp_o => core_rsp(0),
a_req_i => core_req(core_req'left),
a_rsp_o => core_rsp(core_req'left),
b_req_i => core_req(core_req'right), -- [hack] core_req(1) does not exist if single core
b_rsp_o => core_rsp(core_req'right),
x_req_o => complex_req,