derek/gem5
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

stdlib: Added LupioRNG to LupVBoard

Browse Source 
This adds the LupioRNG device to our LupVBoard, adding
random number generation capability to this RISC-V
based system.

Change-Id: I89c78c119a46cc7b056005d8abef16b1816ee4c4
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/53030
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
This commit is contained in:
Melissa Jost
2021-10-22 14:52:34 -07:00
committed by melissa jost
parent f432498c00
commit be0a75ecb3
1 changed files with 25 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/python/gem5/components/boards/lupv_board.py
View File

@@ -48,6 +48,7 @@ from m5.objects import (
Plic,
Uart8250,
Terminal,
LupioRNG,
LupioRTC,
LupV,
AddrRange,
@@ -97,7 +98,7 @@ class LupvBoard(SimpleBoard):
# Initialize all the devices that we want to use on this board
# Interrupt IDS for PIC Device
self._int_ids = { 'UART': 1, 'DISK': 2}
self._int_ids = { 'UART': 1, 'DISK': 2, 'RNG': 3}
# CLINT
self.clint = Clint(pio_addr=0x2000000)
@@ -111,6 +112,13 @@ class LupvBoard(SimpleBoard):
uart_int_id = self._int_ids['UART']
)
# LUPIO RNG
self.lupio_rng = LupioRNG(
pio_addr=0x20005000,
platform = self.lupv,
int_id = self._int_ids['RNG']
)
# LUPIO RTC
self.lupio_rtc = LupioRTC(pio_addr=0x20004000)
@@ -128,7 +136,8 @@ class LupvBoard(SimpleBoard):
pic_srcs = [
self._int_ids['UART'],
self._int_ids['DISK']
self._int_ids['DISK'],
self._int_ids['RNG']
]
self.pic.n_contexts = self.processor.get_num_cores() * 2
self.pic.n_src = max(pic_srcs) + 1
@@ -150,6 +159,7 @@ class LupvBoard(SimpleBoard):
self._off_chip_devices = [
self.uart,
self.disk,
self.lupio_rng,
self.lupio_rtc
]
@@ -383,6 +393,19 @@ class LupvBoard(SimpleBoard):
disk_node.appendCompatible(["virtio,mmio"])
soc_node.append(disk_node)
# LupioRNG Device
lupio_rng = self.lupio_rng
lupio_rng_node = lupio_rng.generateBasicPioDeviceNode(soc_state,
"lupio-rng", lupio_rng.pio_addr,lupio_rng.pio_size)
lupio_rng_node.appendCompatible(["lupio,rng"])
lupio_rng_node.append(
FdtPropertyWords("interrupts",
[self.lupio_rng.int_id]))
lupio_rng_node.append(
FdtPropertyWords("interrupt-parent",
state.phandle(self.pic)))
soc_node.append(lupio_rng_node)
# LupioRTC Device
lupio_rtc = self.lupio_rtc
lupio_rtc_node = lupio_rtc.generateBasicPioDeviceNode(