Skip to content

16 hbm in 1 stack only #127

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
acastellane merged 1 commit into from
Apr 9, 2021
Merged

16 hbm in 1 stack only #127

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
25 changes: 8 additions & 17 deletions hardware/setup/create_hbm.tcl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -39,20 +39,10 @@ set bd_name hbm_top
# _______________________________________________________________________________
# In this file, we define all the logic to have independent 256MB/2Gb memories
# each with an independent AXI interfaces which will be connected to the action
# Default is hbm_axi_if_num = 12 interfaces
# TO increase/decrease the number of memory needed, just look to #CHANGE_HBM_INTERFACES_NUMBER
# param and 1) change in menu the HBM_AXI_IF_NUM with a value between 1 and 32.
# and 2) set the right params enabling AXI and MC
# -------------------------------------------------------
# If you modify the number of AXI interfaces, don't forget to modify also :
# actions/hls_hbm_memcopy/hw/hw_action_memcopy.cpp
# hardware/hdl/hls/action_wrapper.v
# hardware/hdl/core/framework_afu.v
# --> follow HBM names <--
# The number of HBM interfaces is selected by the Kconfig menu
# It needs to be in sync with the param #define HBM_AXI_IF_NB which should be
# defined in actions/hls_hbm_memcopy_1024/hw/hw_action_hbm_memcopy_1024.cpp
# _______________________________________________________________________________
#CHANGE_HBM_INTERFACES_NUMBER
#set HBM_MEM_NUM 12
##This number is now taken from the Kmenu => hbm_axi_if_num

# Create HBM project
create_project $prj_name $root_dir/ip/hbm -part $fpga_part -force >> $log_file
Expand Down Expand Up @@ -127,8 +117,8 @@ set_property -dict [list \
CONFIG.USER_XSDB_INTF_EN {FALSE} \
] $cell >> $log_file


if { $hbm_axi_if_num < 16 } {
# if less or equal than 16 HBM then 1 stack used
if { $hbm_axi_if_num <= 16 } {
set_property -dict [list \
CONFIG.USER_HBM_DENSITY {4GB} \
CONFIG.USER_HBM_STACK {1} \
Expand All @@ -143,6 +133,7 @@ if { $hbm_axi_if_num < 16 } {
CONFIG.USER_SINGLE_STACK_SELECTION {LEFT} \
] $cell >> $log_file
}
# 2 stacks
} else {
set_property -dict [list \
CONFIG.USER_SINGLE_STACK_SELECTION {LEFT} \
Expand Down Expand Up @@ -277,7 +268,7 @@ connect_bd_net [get_bd_pins constant_1_zero/dout] [get_bd_pins hbm/APB_0_PWRITE]
connect_bd_net [get_bd_pins refclk_bufg_apb_clk/BUFGCE_O] [get_bd_pins hbm/APB_0_PCLK]
connect_bd_net [get_bd_pins ARESETN] [get_bd_pins hbm/APB_0_PRESET_N]

if { $hbm_axi_if_num > 15 } {
if { $hbm_axi_if_num > 16 } {
connect_bd_net [get_bd_pins constant_1_zero/dout] [get_bd_pins hbm/APB_1_PENABLE] >> $log_file
connect_bd_net [get_bd_pins constant_22_zero/dout] [get_bd_pins hbm/APB_1_PADDR] >> $log_file
connect_bd_net [get_bd_pins constant_1_zero/dout] [get_bd_pins hbm/APB_1_PSEL] >> $log_file
Expand Down Expand Up @@ -364,7 +355,7 @@ for {set i 0} {$i < $hbm_axi_if_num} {incr i} {
#This line need to be added after the loop since the S_AXI_p0_HBM_ACLK is not defined before
connect_bd_net [get_bd_pins hbm/HBM_REF_CLK_0] [get_bd_pins S_AXI_p0_HBM_ACLK]
connect_bd_net [get_bd_ports S_AXI_p0_HBM_ACLK] [get_bd_pins refclk_bufg_apb_clk/BUFGCE_I]
if { $hbm_axi_if_num > 15 } {
if { $hbm_axi_if_num > 16 } {
connect_bd_net [get_bd_pins hbm/HBM_REF_CLK_1] [get_bd_pins S_AXI_p0_HBM_ACLK]
}

Expand Down
17 changes: 4 additions & 13 deletions hardware/setup/create_hbm_for_simu.tcl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ set hbm_axi_if_num $::env(HBM_AXI_IF_NUM)

# user can set a specific value for the Action clock lower than the 250MHz nominal clock
# as of now, only 3 clock frequencies are enabled in this file: 200MHz, 225MHz and 250MHz
# At this time, only AXI Action clock which can be used is the 200MHz nominal clock
set action_clock_freq "200MHz"
#overide default value if variable exist
#set action_clock_freq $::env(FPGA_ACTION_CLK)
Expand All @@ -37,20 +38,10 @@ set bd_name hbm_top
# _______________________________________________________________________________
# In this file, we define all the logic to have independent 256MB/2Gb memories
# each with an independent AXI interfaces which will be connected to the action
# Default is hbm_axi_if_num = 12 interfaces
# TO increase/decrease the number of memory needed, just look to #CHANGE_HBM_INTERFACES_NUMBER
# param and 1) change HBM_AXI_IF_NUM value n Kconfig menu with a value between 1 and 32
# and 2) set the right params enabling AXI and MC
# -------------------------------------------------------
# If you modify the number of AXI interfaces, don't forget to modify also :
# actions/hls_hbm_memcopy/hw/hw_action_memcopy.cpp
# hardware/hdl/hls/action_wrapper.v
# hardware/hdl/core/framework_afu.v
# --> follow HBM names <--
# The number of HBM interfaces is selected by the Kconfig menu
# It needs to be in sync with the param #define HBM_AXI_IF_NB which should be
# defined in actions/hls_hbm_memcopy_1024/hw/hw_action_hbm_memcopy_1024.cpp
# _______________________________________________________________________________
#CHANGE_HBM_INTERFACES_NUMBER
#set HBM_MEM_NUM 12
#this parameter is taken from Kmenu => set hbm_axi_if_num

# Create HBM project
create_project $prj_name $root_dir/ip/hbm -part $fpga_part -force >> $log_file
Expand Down
2 changes: 1 addition & 1 deletion scripts/Kconfig
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -757,7 +757,7 @@ config ACTION_USER_CLOCK
config HLS_CLOCK_PERIOD_CONSTRAINT
prompt "The HLS clock period constraint used when C code (only used for hls action)"
string
default "4ns"
default "5ns"
range "1ns" "20ns"
help
The HLS clock period constraint in "ns" used when C code is compiled to rtl,
Expand Down