Visible to Intel only — GUID: sfo1410067745277
Ixiasoft
Visible to Intel only — GUID: sfo1410067745277
Ixiasoft
4.1.3. Module Reset Signals
The following tables list the module reset signals. The module reset signals are organized in groups for the MPU, peripherals, bridges.
In the following tables, columns marked for Cold Reset, Warm Reset, and Debug Reset denote reset signals asserted by each type of reset. For example, writing a 1 to the swwarmrstreq bit in the ctrl register resets all the modules that have a checkmark in the Warm Reset column.
The column marked for Software Deassert denotes reset signals that are left asserted by the reset manager.
Module Reset Signal |
Description |
Reset Domain |
Cold Reset |
Warm Reset |
Debug Reset |
Software Deassert |
---|---|---|---|---|---|---|
mpu_cpu_rst_n[0] | Resets each processor in the MPU | System | X | X | ||
mpu_cpu_rst_n[1] | Resets each processor in the MPU |
System |
X | X | X | |
mpu_wd_rst_n | Resets both per-processor watchdogs in the MPU |
System |
X | X | ||
mpu_scu_periph_rst_n | Resets Snoop Control Unit (SCU) and peripherals |
System |
X | X | ||
mpu_l2_rst_n | Level 2 (L2) cache reset |
System |
X | X |
Module Reset Signal |
Description |
Reset Domain |
Cold Reset |
Warm Reset |
Debug Reset |
Software Deassert |
---|---|---|---|---|---|---|
emac_rst_n[1:0] | Resets each EMAC |
System |
X |
X |
X | |
usb_rst_n[1:0] | Resets each USB |
System |
X |
X |
X | |
nand_flash_rst_n | Resets NAND flash controller |
System |
X |
X |
X | |
qspi_flash_rst_n | Resets quad SPI flash controller |
System |
X |
X |
X | |
watchdog_rst_n[1:0] | Resets each system watchdog timer |
System |
X |
X |
X | |
osc1_timer_rst_n[1:0] | Resets each OSC1 timer |
System |
X |
X |
X | |
sp_timer_rst_n[1:0] | Resets each SP timer |
System |
X |
X |
X | |
i2c_rst_n[3:0] | Resets each I2C controller |
System |
X |
X |
X | |
uart_rst_n[1:0] | Resets each UART |
System |
X |
X |
X | |
spim_rst_n[1:0] | Resets SPI master controller |
System |
X |
X |
X | |
spis_rst_n[1:0] | Resets SPI slave controller |
System |
X |
X |
X | |
sdmmc_rst_n | Resets SD/MMC controller |
System |
X |
X |
X | |
gpio_rst_n[2:0] | Resets each GPIO interface |
System |
X |
X |
X | |
dma_rst_n | Resets DMA controller |
System |
X |
X |
X | |
sdram_rst_n | Resets SDRAM subsystem (resets logic associated with cold or warm reset) |
System |
X |
X |
X |
Module Reset Signal | Description | Reset Domain | Cold Reset | Warm Reset | Debug Reset | Software Deassert |
---|---|---|---|---|---|---|
dma_periph_if_rst_n[7:0] | DMA controller request interface from FPGA fabric to DMA controller | System | X | X | X |
Module Reset Signal | Description | Reset Domain | Cold Reset | Warm Reset | Debug Reset | Software Deassert |
---|---|---|---|---|---|---|
hps2fpga_bridge_rst_n | Resets HPS-to-FPGA AMBA* Advanced eXtensible Interface ( AXI* ) bridge | System | X | X | X | |
fpga2hps_bridge_rst_n | Resets FPGA-to-HPS AXI* bridge | System | X | X | X | |
lwhps2fpga_bridge_rst_n | Resets lightweight HPS-to-FPGA AXI* bridge | System | X | X | X |
Module Reset Signal | Description | Reset Domain | Cold Reset | Warm Reset | Debug Reset | Software Deassert |
---|---|---|---|---|---|---|
boot_rom_rst_n | Resets boot ROM | System | X | X | ||
onchip_ram_rst_n | Resets on-chip RAM | System | X | X | ||
sys_manager_rst_n | Resets system manager (resets logic associated with cold or warm reset) | System | X | X | ||
sys_manager_cold_rst_n | Resets system manager (resets logic associated with cold reset only) | System | X | |||
fpga_manager_rst_n | Resets FPGA manager | System | X | X | ||
acp_id_mapper_rst_n | Resets ACP ID mapper | System | X | X | ||
h2f_rst_n | Resets user logic in FPGA fabric (resets logic associated with cold or warm reset) | System | X | X | ||
h2f_cold_rst_n | Resets user logic in FPGA fabric (resets logic associated with cold reset only) | System | X | |||
rst_pin_rst_n | Pulls nRST pin low | System | X | |||
timestamp_cold_rst_n | Resets debug timestamp to 0x0 | System | X | |||
clk_manager_cold_rst_n | Resets clock manager (resets logic associated with cold reset only) | System | X | |||
scan_manager_rst_n | Resets scan manager | System | X | X | ||
frz_ctrl_cold_rst_n | Resets freeze controller (resets logic associated with cold reset only) | System | X | |||
sys_dbg_rst_n | Resets debug masters and slaves connected to L3 interconnect and level 4 (L4) buses | System | X | X | ||
dbg_rst_n | Resets debug components including DAP, trace, MPU debug logic, and any user debug logic in the FPGA fabric | Debug | X | X | ||
tap_cold_rst_n | Resets portion of TAP controller in the DAP that must be reset on a cold reset | TAP | X | |||
sdram_cold_rst_n | Resets SDRAM subsystem (resets logic associated with cold reset only) | System | X |
Module Reset Signal | Description | Reset Domain | Cold Reset | Warm Reset | Debug Reset | Software Deassert |
---|---|---|---|---|---|---|
l3_rst_n | Resets L3 interconnect and L4 buses | System | X | X |