N1 board
N1 SoC
IOFPGA
HDLCD
TIMER
microSD
System
registers
SCC
UART
RTC
WDOG
GPIO
eMMC
QSPI
I
2
S
I
3
C
DDR4
I
2
C
NIC-400
PCIe
GIC-400
IRQ[12]
IRQ[3:0]
IRQ[15]
IRQ[7:6]
IRQ[18]
IRQ[9:8]
IRQ[5]
IRQ[4]
IRQ[11:10]
IRQ[16]
IRQ[26]
IRQ[27]
IRQ[28]
IRQ[29]
IRQ[17]
IRQ[32]
IRQ[33]
DDR4
IRQ[31:30]
PCC
MCC
P2F_AP_EXTINT
P2F_SCP_EXTINT
P2F_MCP_EXTINT
M2F_AP_EXTINT
M2F_SCP_EXTINT
M2F_MCP_EXTINT
F2MCC_INT
F2PCC_INT
AP
SCP
MCP
nIRQCPU0
AP_EXTINT
nIRQCPU1
SCP_EXTINT
IRQ[19]
MSCP_SS_RSTREQ
nIRQCPU2
MCP_EXTINT
IRQ[34]
IRQ[20]
IRQ[21]
IRQ[22]
nIRQCPU3
IRQ[23]
IRQ[24]
IRQ[25]
nIRQCPU4
AP_EXTAUXINT
Figure 2-7 IOFPGA interrupt routing
The following table shows the input interrupts to the GIC-400.
Table 2-6 IOFPGA GIC-400 interrupt sources
Interrupt ID IRQ level Source
Comment
IRQ[0]
1
Timer 0
-
IRQ[1]
1
Timer 1
-
IRQ[2]
1
Timer 2
-
2 Hardware description
2.6 IOFPGA
101489_0000_02_en
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