Skip to content

Commit

Permalink
Integrate Memory Island into chimera (#41)
Browse files Browse the repository at this point in the history
Hw: - Add memory island domain wrapper
    - chimera_cfg_t struct & typedef for AXI signals
    - New Memory island address mappin
Sw: Add support to build chehsire bootrom for mem island integration
  • Loading branch information
Lore0599 authored and sermazz committed Oct 22, 2024
1 parent a003d4b commit 6bf79c6
Show file tree
Hide file tree
Showing 15 changed files with 525 additions and 190 deletions.
3 changes: 1 addition & 2 deletions Bender.lock
Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,7 @@ packages:
- common_cells
- register_interface
cheshire:
revision: f28e91b4d2172c3c98ec8672a9c9225c0b45363c
revision: f9b9a1066143b8319c427bd790ab4729321b9f20
version: null
source:
Git: https://github.com/pulp-platform/cheshire.git
Expand All @@ -87,7 +87,6 @@ packages:
- cva6
- idma
- irq_router
- memory_island
- opentitan_peripherals
- register_interface
- riscv-dbg
Expand Down
8 changes: 7 additions & 1 deletion Bender.yml
Original file line number Diff line number Diff line change
Expand Up @@ -6,16 +6,21 @@ package:
name: chimera
authors:
- "Moritz Scherer <scheremo@iis.ee.ethz.ch>"
- "Lorenzo Leone <lleone@iis.ee.ethz.ch>"

dependencies:
register_interface: { git: "https://github.com/pulp-platform/register_interface.git", version: 0.4.3 }
axi: { git: "https://github.com/pulp-platform/axi.git", version: 0.39.2 }
cheshire: { git: "https://github.com/pulp-platform/cheshire.git", rev: f28e91b4d2172c3c98ec8672a9c9225c0b45363c}
cheshire: { git: "https://github.com/pulp-platform/cheshire.git", rev: f9b9a1066143b8319c427bd790ab4729321b9f20}
snitch_cluster: { git: "https://github.com/pulp-platform/snitch_cluster.git", rev: c12ce9b2af1ac8edf3d4feb18939e1ad20c42225}
common_cells: { git: "https://github.com/pulp-platform/common_cells.git", version: 1.31.1}
idma: { git: "https://github.com/pulp-platform/iDMA.git", rev: 9edf489f57389dce5e71252c79e337f527d3aded}
memory_island: { git: "https://github.com/pulp-platform/memory_island.git", rev: 64828cb7a9ccc1f1656ec92d06129072f445c319 } # main branch
apb: { git: "https://github.com/pulp-platform/apb.git", version: 0.2.4 }

export_include_dirs:
- hw/include

workspace:
package_links:
cheshire: cheshire
Expand All @@ -30,6 +35,7 @@ sources:
- hw/chimera_cluster_adapter.sv
- hw/chimera_cluster.sv
- hw/chimera_clu_domain.sv
- hw/chimera_memisland_domain.sv
- hw/chimera_top_wrapper.sv

- target: any(simulation, test)
Expand Down
20 changes: 15 additions & 5 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -35,16 +35,26 @@ bender checkout
make chs-hw-init
make snitch-hw-init
make chs-sim-all
```

To build files for modelsim:
To regenerate software tests and libraries:

`make chim-sim`
`make chim-sw`

To regenerate software tests:
This step must be executed before building the hardware to ensure the correct generation of the bootrom.

To build the host device bootrom:

`make chim-bootrom-init`

To build Chehsire simulation files for ModelSim:

`make chs-sim-all`

To build Chimera simulation files for ModelSim:

`make chim-sim`

`make chim-sw`

## Making Register modifications

Expand Down
12 changes: 9 additions & 3 deletions chimera.mk
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
#
# Moritz Scherer <scheremo@iis.ee.ethz.ch>


CLINTCORES = 46
PLICCORES = 92
PLIC_NUM_INTRS = 92
Expand All @@ -17,9 +18,11 @@ update_plic: $(CHS_ROOT)/hw/rv_plic.cfg.hjson
gen_idma_hw:
make -C $(IDMA_ROOT) idma_hw_all

CHS_SW_LD_DIR = $(CHIM_ROOT)/sw/link

.PHONY: chs-hw-init
chs-hw-init: update_plic gen_idma_hw
make -B chs-hw-all CHS_XLEN=$(CHS_XLEN)
chs-hw-init: update_plic gen_idma_hw $(CHIM_SW_LIB)
make -B chs-hw-all CHS_XLEN=$(CHS_XLEN) CHS_SW_LD_DIR=$(CHS_SW_LD_DIR)

.PHONY: snitch-hw-init
snitch-hw-init:
Expand Down Expand Up @@ -73,8 +76,11 @@ chim-nonfree-init:

-include $(CHIM_ROOT)/bender.mk

# Include subdir Makefiles
# Necessary to build libchimera.a for bootrom.elf
# TODO: Here the make chim-sw cannot work properly FIND SOLUTION !!!!!
-include $(CHIM_ROOT)/sw/sw.mk

# Include subdir Makefiles
-include $(CHIM_ROOT)/utils/utils.mk
# Include target makefiles
-include $(CHIM_ROOT)/target/sim/sim.mk
96 changes: 48 additions & 48 deletions hw/chimera_clu_domain.sv
Original file line number Diff line number Diff line change
Expand Up @@ -15,62 +15,62 @@ module chimera_clu_domain
import chimera_pkg::*;
import cheshire_pkg::*;
#(
parameter cheshire_cfg_t Cfg = '0,
parameter type narrow_in_req_t = logic,
parameter type narrow_in_resp_t = logic,
parameter type narrow_out_req_t = logic,
parameter type narrow_out_resp_t = logic,
parameter type wide_out_req_t = logic,
parameter type wide_out_resp_t = logic
parameter chimera_cfg_t Cfg = '0,
parameter type narrow_in_req_t = logic,
parameter type narrow_in_resp_t = logic,
parameter type narrow_out_req_t = logic,
parameter type narrow_out_resp_t = logic,
parameter type wide_out_req_t = logic,
parameter type wide_out_resp_t = logic
) (
input logic soc_clk_i,
input logic [ ExtClusters-1:0] clu_clk_i,
input logic [ ExtClusters-1:0] rst_sync_ni,
input logic [ ExtClusters-1:0] widemem_bypass_i,
input logic soc_clk_i,
input logic [ ExtClusters-1:0] clu_clk_i,
input logic [ ExtClusters-1:0] rst_sync_ni,
input logic [ ExtClusters-1:0] widemem_bypass_i,
//-----------------------------
// Interrupt ports
//-----------------------------
input logic [iomsb(NumIrqCtxts*Cfg.NumExtIrqHarts):0] xeip_i,
input logic [ iomsb(Cfg.NumExtIrqHarts):0] mtip_i,
input logic [ iomsb(Cfg.NumExtIrqHarts):0] msip_i,
input logic [ iomsb(Cfg.NumExtDbgHarts):0] debug_req_i,
input logic [iomsb(NumIrqCtxts*Cfg.ChsCfg.NumExtIrqHarts):0] xeip_i,
input logic [ iomsb(Cfg.ChsCfg.NumExtIrqHarts):0] mtip_i,
input logic [ iomsb(Cfg.ChsCfg.NumExtIrqHarts):0] msip_i,
input logic [ iomsb(Cfg.ChsCfg.NumExtDbgHarts):0] debug_req_i,
//-----------------------------
// Narrow AXI ports
//-----------------------------
input narrow_in_req_t [ iomsb(Cfg.AxiExtNumSlv):0] narrow_in_req_i,
output narrow_in_resp_t [ iomsb(Cfg.AxiExtNumSlv):0] narrow_in_resp_o,
output narrow_out_req_t [ iomsb(Cfg.AxiExtNumMst):0] narrow_out_req_o,
input narrow_out_resp_t [ iomsb(Cfg.AxiExtNumMst):0] narrow_out_resp_i,
input narrow_in_req_t [ ExtClusters-1:0] narrow_in_req_i,
output narrow_in_resp_t [ ExtClusters-1:0] narrow_in_resp_o,
output narrow_out_req_t [ iomsb(Cfg.ChsCfg.AxiExtNumMst):0] narrow_out_req_o,
input narrow_out_resp_t [ iomsb(Cfg.ChsCfg.AxiExtNumMst):0] narrow_out_resp_i,
//-----------------------------
// Wide AXI ports
//-----------------------------
output wide_out_req_t [ iomsb(Cfg.AxiExtNumWideMst):0] wide_out_req_o,
input wide_out_resp_t [ iomsb(Cfg.AxiExtNumWideMst):0] wide_out_resp_i,
output wide_out_req_t [ iomsb(Cfg.ChsCfg.AxiExtNumWideMst):0] wide_out_req_o,
input wide_out_resp_t [ iomsb(Cfg.ChsCfg.AxiExtNumWideMst):0] wide_out_resp_i,
//-----------------------------
// Isolation control ports
//-----------------------------
input logic [ ExtClusters-1:0] isolate_i,
output logic [ ExtClusters-1:0] isolate_o
input logic [ ExtClusters-1:0] isolate_i,
output logic [ ExtClusters-1:0] isolate_o
);

// Axi parameters
localparam int unsigned AxiWideDataWidth = Cfg.AxiDataWidth * Cfg.MemIslNarrowToWideFactor;
localparam int unsigned AxiWideDataWidth = Cfg.ChsCfg.AxiDataWidth * Cfg.MemIslNarrowToWideFactor;
localparam int unsigned AxiWideSlvIdWidth = Cfg.MemIslAxiMstIdWidth + $clog2(Cfg.MemIslWidePorts);
localparam int unsigned AxiSlvIdWidth = Cfg.AxiMstIdWidth + $clog2(
localparam int unsigned AxiSlvIdWidth = Cfg.ChsCfg.AxiMstIdWidth + $clog2(
cheshire_pkg::gen_axi_in(Cfg).num_in
);

// Isolated AXI signals
narrow_in_req_t [ iomsb(Cfg.AxiExtNumSlv):0] narrow_in_isolated_req;
narrow_in_resp_t [ iomsb(Cfg.AxiExtNumSlv):0] narrow_in_isolated_resp;
narrow_out_req_t [ iomsb(Cfg.AxiExtNumMst):0] narrow_out_isolated_req;
narrow_out_resp_t [ iomsb(Cfg.AxiExtNumMst):0] narrow_out_isolated_resp;
wide_out_req_t [iomsb(Cfg.AxiExtNumWideMst):0] wide_out_isolated_req;
wide_out_resp_t [iomsb(Cfg.AxiExtNumWideMst):0] wide_out_isolated_resp;
narrow_in_req_t [ iomsb(Cfg.ChsCfg.AxiExtNumSlv):0] narrow_in_isolated_req;
narrow_in_resp_t [ iomsb(Cfg.ChsCfg.AxiExtNumSlv):0] narrow_in_isolated_resp;
narrow_out_req_t [ iomsb(Cfg.ChsCfg.AxiExtNumMst):0] narrow_out_isolated_req;
narrow_out_resp_t [ iomsb(Cfg.ChsCfg.AxiExtNumMst):0] narrow_out_isolated_resp;
wide_out_req_t [iomsb(Cfg.ChsCfg.AxiExtNumWideMst):0] wide_out_isolated_req;
wide_out_resp_t [iomsb(Cfg.ChsCfg.AxiExtNumWideMst):0] wide_out_isolated_resp;

logic [ iomsb(Cfg.AxiExtNumSlv):0] isolated_narrow_in;
logic [ iomsb(Cfg.AxiExtNumMst):0] isolated_narrow_out;
logic [iomsb(Cfg.AxiExtNumWideMst):0] isolated_wide_out;
logic [ iomsb(Cfg.ChsCfg.AxiExtNumSlv):0] isolated_narrow_in;
logic [ iomsb(Cfg.ChsCfg.AxiExtNumMst):0] isolated_narrow_out;
logic [iomsb(Cfg.ChsCfg.AxiExtNumWideMst):0] isolated_wide_out;



Expand All @@ -79,13 +79,13 @@ module chimera_clu_domain
if (IsolateClusters == 1) begin : gen_cluster_iso
// Add AXI isolation at the Narrow Input Interface
axi_isolate #(
.NumPending (Cfg.AxiMaxSlvTrans),
.NumPending (Cfg.ChsCfg.AxiMaxSlvTrans),
.TerminateTransaction(0),
.AtopSupport (1),
.AxiAddrWidth (Cfg.AddrWidth),
.AxiDataWidth (Cfg.AxiDataWidth),
.AxiAddrWidth (Cfg.ChsCfg.AddrWidth),
.AxiDataWidth (Cfg.ChsCfg.AxiDataWidth),
.AxiIdWidth (AxiSlvIdWidth),
.AxiUserWidth (Cfg.AxiUserWidth),
.AxiUserWidth (Cfg.ChsCfg.AxiUserWidth),
.axi_req_t (narrow_in_req_t),
.axi_resp_t (narrow_in_resp_t)
) i_iso_narrow_in_cluster (
Expand All @@ -107,13 +107,13 @@ module chimera_clu_domain
narrowOutIdx++
) begin : gen_iso_narrow_out
axi_isolate #(
.NumPending (Cfg.AxiMaxSlvTrans),
.NumPending (Cfg.ChsCfg.AxiMaxSlvTrans),
.TerminateTransaction(0),
.AtopSupport (1),
.AxiAddrWidth (Cfg.AddrWidth),
.AxiDataWidth (Cfg.AxiDataWidth),
.AxiIdWidth (Cfg.AxiMstIdWidth),
.AxiUserWidth (Cfg.AxiUserWidth),
.AxiAddrWidth (Cfg.ChsCfg.AddrWidth),
.AxiDataWidth (Cfg.ChsCfg.AxiDataWidth),
.AxiIdWidth (Cfg.ChsCfg.AxiMstIdWidth),
.AxiUserWidth (Cfg.ChsCfg.AxiUserWidth),
.axi_req_t (narrow_out_req_t),
.axi_resp_t (narrow_out_resp_t)
) i_iso_narrow_out_cluster (
Expand All @@ -130,13 +130,13 @@ module chimera_clu_domain

// Add AXI isolation at the Wide Interface
axi_isolate #(
.NumPending (Cfg.AxiMaxSlvTrans),
.NumPending (Cfg.ChsCfg.AxiMaxSlvTrans),
.TerminateTransaction(0),
.AtopSupport (1),
.AxiAddrWidth (Cfg.AddrWidth),
.AxiAddrWidth (Cfg.ChsCfg.AddrWidth),
.AxiDataWidth (AxiWideDataWidth),
.AxiIdWidth (Cfg.MemIslAxiMstIdWidth), // To Check
.AxiUserWidth (Cfg.AxiUserWidth),
.AxiIdWidth (Cfg.MemIslAxiMstIdWidth), // To Check
.AxiUserWidth (Cfg.ChsCfg.AxiUserWidth),
.axi_req_t (wide_out_req_t),
.axi_resp_t (wide_out_resp_t)
) i_iso_wide_cluster (
Expand Down Expand Up @@ -191,7 +191,7 @@ module chimera_clu_domain
.mtip_i (mtip_i[`PREVNRCORES(extClusterIdx)+:`NRCORES(extClusterIdx)]),
.msip_i (msip_i[`PREVNRCORES(extClusterIdx)+:`NRCORES(extClusterIdx)]),
.hart_base_id_i (10'(`PREVNRCORES(extClusterIdx) + 1)),
.cluster_base_addr_i(Cfg.AxiExtRegionStart[extClusterIdx][Cfg.AddrWidth-1:0]),
.cluster_base_addr_i(Cfg.ChsCfg.AxiExtRegionStart[extClusterIdx][Cfg.ChsCfg.AddrWidth-1:0]),
.boot_addr_i (SnitchBootROMRegionStart[31:0]),

.narrow_in_req_i (narrow_in_isolated_req[extClusterIdx]),
Expand Down
55 changes: 27 additions & 28 deletions hw/chimera_cluster.sv
Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ module chimera_cluster
import chimera_pkg::*;
import cheshire_pkg::*;
#(
parameter cheshire_cfg_t Cfg = '0,
parameter chimera_cfg_t Cfg = '0,

parameter int unsigned NrCores = 9,
parameter type narrow_in_req_t = logic,
Expand All @@ -19,53 +19,52 @@ module chimera_cluster
parameter type wide_out_req_t = logic,
parameter type wide_out_resp_t = logic
) (

input logic soc_clk_i,
input logic clu_clk_i,
input logic rst_ni,
input logic widemem_bypass_i,
input logic soc_clk_i,
input logic clu_clk_i,
input logic rst_ni,
input logic widemem_bypass_i,
//-----------------------------
// Interrupt ports
//-----------------------------
input logic [ NrCores-1:0] debug_req_i,
input logic [ NrCores-1:0] meip_i,
input logic [ NrCores-1:0] mtip_i,
input logic [ NrCores-1:0] msip_i,
input logic [ NrCores-1:0] debug_req_i,
input logic [ NrCores-1:0] meip_i,
input logic [ NrCores-1:0] mtip_i,
input logic [ NrCores-1:0] msip_i,
//-----------------------------
// Cluster base addressing
//-----------------------------
input logic [ 9:0] hart_base_id_i,
input logic [Cfg.AddrWidth-1:0] cluster_base_addr_i,
input logic [ 31:0] boot_addr_i,
input logic [ 9:0] hart_base_id_i,
input logic [Cfg.ChsCfg.AddrWidth-1:0] cluster_base_addr_i,
input logic [ 31:0] boot_addr_i,
//-----------------------------
// Narrow AXI ports
//-----------------------------
input narrow_in_req_t narrow_in_req_i,
output narrow_in_resp_t narrow_in_resp_o,
output narrow_out_req_t [ 1:0] narrow_out_req_o,
input narrow_out_resp_t [ 1:0] narrow_out_resp_i,
input narrow_in_req_t narrow_in_req_i,
output narrow_in_resp_t narrow_in_resp_o,
output narrow_out_req_t [ 1:0] narrow_out_req_o,
input narrow_out_resp_t [ 1:0] narrow_out_resp_i,
//-----------------------------
//Wide AXI ports
//-----------------------------
output wide_out_req_t wide_out_req_o,
input wide_out_resp_t wide_out_resp_i
output wide_out_req_t wide_out_req_o,
input wide_out_resp_t wide_out_resp_i
);

`include "axi/typedef.svh"

localparam int WideDataWidth = $bits(wide_out_req_o.w.data);

localparam int WideMasterIdWidth = $bits(wide_out_req_o.aw.id);
localparam int WideSlaveIdWidth = WideMasterIdWidth + $clog2(Cfg.AxiExtNumWideMst) - 1;
localparam int WideSlaveIdWidth = WideMasterIdWidth + $clog2(Cfg.ChsCfg.AxiExtNumWideMst) - 1;

localparam int NarrowSlaveIdWidth = $bits(narrow_in_req_i.aw.id);
localparam int NarrowMasterIdWidth = $bits(narrow_out_req_o[0].aw.id);

typedef logic [Cfg.AddrWidth-1:0] axi_addr_t;
typedef logic [Cfg.AxiUserWidth-1:0] axi_user_t;
typedef logic [Cfg.ChsCfg.AddrWidth-1:0] axi_addr_t;
typedef logic [Cfg.ChsCfg.AxiUserWidth-1:0] axi_user_t;

typedef logic [Cfg.AxiDataWidth-1:0] axi_soc_data_narrow_t;
typedef logic [Cfg.AxiDataWidth/8-1:0] axi_soc_strb_narrow_t;
typedef logic [Cfg.ChsCfg.AxiDataWidth-1:0] axi_soc_data_narrow_t;
typedef logic [Cfg.ChsCfg.AxiDataWidth/8-1:0] axi_soc_strb_narrow_t;

typedef logic [ClusterDataWidth-1:0] axi_cluster_data_narrow_t;
typedef logic [ClusterDataWidth/8-1:0] axi_cluster_strb_narrow_t;
Expand Down Expand Up @@ -119,7 +118,7 @@ module chimera_cluster
axi_cluster_out_wide_resp_t clu_axi_wide_mst_resp;


if (ClusterDataWidth != Cfg.AxiDataWidth) begin : gen_narrow_adapter
if (ClusterDataWidth != Cfg.ChsCfg.AxiDataWidth) begin : gen_narrow_adapter

narrow_adapter #(
.narrow_in_req_t (axi_soc_out_narrow_req_t),
Expand Down Expand Up @@ -221,13 +220,13 @@ module chimera_cluster
localparam int unsigned NumIntOutstandingMem[NrCores] = '{NrCores{32'h4}};

snitch_cluster #(
.PhysicalAddrWidth(Cfg.AddrWidth),
.PhysicalAddrWidth(Cfg.ChsCfg.AddrWidth),
.NarrowDataWidth (ClusterDataWidth), // SCHEREMO: Convolve needs this...
.WideDataWidth (WideDataWidth),
.NarrowIdWidthIn (ClusterNarrowAxiMstIdWidth),
.WideIdWidthIn (WideMasterIdWidth),
.NarrowUserWidth (Cfg.AxiUserWidth),
.WideUserWidth (Cfg.AxiUserWidth),
.NarrowUserWidth (Cfg.ChsCfg.AxiUserWidth),
.WideUserWidth (Cfg.ChsCfg.AxiUserWidth),

.BootAddr(SnitchBootROMRegionStart),

Expand Down
Loading

0 comments on commit 6bf79c6

Please sign in to comment.