xref: /freebsd/sys/arm64/conf/NOTES (revision b3d0562dd84540be2fd98e6a457cdcb232e9f915)
1#
2# NOTES -- Lines that can be cut/pasted into kernel and hints configs.
3#
4# This file contains machine dependent kernel configuration notes.  For
5# machine independent notes, look in /sys/conf/NOTES.
6#
7#
8
9#
10# We want LINT to cover profiling as well.
11# Except it's broken.
12#profile         2
13
14#
15# Enable the kernel DTrace hooks which are required to load the DTrace
16# kernel modules.
17#
18options 	KDTRACE_HOOKS
19options 	KDTRACE_MIB_SDT
20
21#
22# Most of the following is copied from ARM64 GENERIC.
23cpu		ARM64
24
25makeoptions	DEBUG=-g		# Build kernel with gdb(1) debug symbols
26makeoptions	WITH_CTF=1		# Run ctfconvert(1) for DTrace support
27
28options 	PRINTF_BUFR_SIZE=128	# Prevent printf output being interspersed.
29options 	KDTRACE_FRAME		# Ensure frames are compiled in
30options 	VFP			# Floating-point support
31options 	RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
32
33# SoC support
34options 	SOC_ALLWINNER_A64
35options 	SOC_ALLWINNER_H5
36options 	SOC_ALLWINNER_H6
37options 	SOC_BRCM_BCM2837
38options 	SOC_BRCM_BCM2838
39options 	SOC_BRCM_NS2
40options 	SOC_CAVM_THUNDERX
41options 	SOC_FREESCALE_IMX8
42options 	SOC_HISI_HI6220
43options 	SOC_INTEL_STRATIX10
44options 	SOC_MARVELL_8K
45options 	SOC_NVIDIA_TEGRA210
46options 	SOC_NXP_LS
47options 	SOC_ROCKCHIP
48options 	SOC_ROCKCHIP_RK3328
49options 	SOC_ROCKCHIP_RK3399
50options 	SOC_ROCKCHIP_RK3568
51options 	SOC_XILINX_ZYNQ
52
53# Timer drivers
54device		aw_timer
55
56# Annapurna Alpine drivers
57device		al_ccu			# Alpine Cache Coherency Unit
58device		al_nb_service		# Alpine North Bridge Service
59device		al_iofic		# I/O Fabric Interrupt Controller
60device		al_serdes		# Serializer/Deserializer
61device		al_udma			# Universal DMA
62
63# Qualcomm Snapdragon drivers
64device		qcom_gcc		# Global Clock Controller
65
66# Google Virtual NIC
67device		gve		# Google Virtual NIC (gVNIC) driver
68
69# Microsoft Hyper-V
70device		hyperv
71
72# CPU frequency control
73device		cpufreq
74
75# Accelerated software crypto
76device		armv8crypto		# ARMv8 OpenCrypto module
77device		ossl			# OpenSSL OpenCrypto module
78
79# Bus drivers
80device		al_pci		# Annapurna Alpine PCI-E
81options 	PCI_HP			# PCI-Express native HotPlug
82options 	PCI_IOV		# PCI SR-IOV support
83
84# Ethernet NICs
85device		mdio
86device		awg		# Allwinner EMAC Gigabit Ethernet
87device		axa		# AMD Opteron A1100 integrated NIC
88device		neta		# Marvell Armada 370/38x/XP/3700 NIC
89device  	smc		# SMSC LAN91C111
90device		vnic		# Cavium ThunderX NIC
91device		al_eth		# Annapurna Alpine Ethernet NIC
92device  	dwc		# Synopsys Designware GMAC Ethernet
93device		dwc_rk		# Rockchip Designware
94device		dwc_socfpga	# Altera SOCFPGA Ethernet MAC
95device		ice		# Intel 800 Series Physical Function
96device		ice_ddp		# Intel 800 Series DDP Package
97
98# Etherswitch devices
99device		e6000sw		# Marvell mv88e6085 based switches
100
101# Storage
102# Broadcom MPT Fusion, version 4, is 64-bit only
103device		mpi3mr			# LSI-Logic MPT-Fusion 4
104
105# MMC/SD/SDIO Card slot support
106device		sdhci_xenon		# Marvell Xenon SD/MMC controller
107device		aw_mmc			# Allwinner SD/MMC controller
108device		dwmmc
109device		dwmmc_altera
110device		rk_emmcphy
111
112# Serial (COM) ports
113device		uart_msm	# Qualcomm MSM UART driver
114device		uart_mu		# RPI3 aux port
115device		uart_mvebu	# Armada 3700 UART driver
116device		uart_ns8250	# ns8250-type UART driver
117device		uart_snps
118device		pl011
119
120# Early printf using the pl011 uart under the Arm FVP
121options 	SOCDEV_PA=0x1c090000
122options 	EARLY_PRINTF=pl011
123
124# USB support
125device		aw_usbphy		# Allwinner USB PHY
126device		dwcotg			# DWC OTG controller
127device		ehci_mv			# Marvell EHCI USB interface
128
129# USB ethernet support
130device		muge
131device		smsc
132
133# Sound support
134device a10_codec
135
136# DMA controller
137device		a31_dmac
138
139# GPIO / PINCTRL
140device		a37x0_gpio	# Marvell Armada 37x0 GPIO controller
141device		aw_gpio		# Allwinner GPIO controller
142device		fdt_pinctrl
143device		mv_gpio		# Marvell GPIO controller
144device		mvebu_pinctrl	# Marvell Pinmux Controller
145device		rk_gpio		# RockChip GPIO Controller
146device		rk_pinctrl	# RockChip Pinmux Controller
147
148# I2C
149device		aw_rsb		# Allwinner Reduced Serial Bus
150device		bcm2835_bsc	# Broadcom BCM283x I2C bus
151device		twsi		# Allwinner I2C controller
152device		rk_i2c		# RockChip I2C controller
153
154# Clock and reset controllers
155device		aw_ccu		# Allwinner clock controller
156
157# Interrupt controllers
158device		aw_nmi		# Allwinner NMI support
159device		mv_cp110_icu	# Marvell CP110 ICU
160device		mv_ap806_gicp	# Marvell AP806 GICP
161
162# Real-time clock support
163device		aw_rtc		# Allwinner Real-time Clock
164device		mv_rtc		# Marvell Real-time Clock
165
166# Watchdog controllers
167device		aw_wdog		# Allwinner Watchdog
168
169# Power management controllers
170device		axp81x		# X-Powers AXP81x PMIC
171device		rk8xx		# RockChip RK8XX base support
172device		rk805		# RockChip RK805 PMIC
173device		rk808		# RockChip RK808 PMIC
174device		rk817		# RockChip RK817 PMIC
175
176# EFUSE
177device		aw_sid		# Allwinner Secure ID EFUSE
178
179# Thermal sensors
180device		aw_thermal	# Allwinner Thermal Sensor Controller
181device		mv_thermal	# Marvell Thermal Sensor Controller
182
183# SPI
184device		bcm2835_spi	# Broadcom BCM283x SPI bus
185
186# PWM
187device		pwm
188device		aw_pwm
189
190device		vt_efifb
191device		vt_simplefb
192
193# EVDEV support
194options 	EVDEV_SUPPORT		# evdev support in legacy drivers
195device		aw_cir
196
197# Pseudo devices.
198device		clk
199device		efidev		# EFI pseudo-device
200device		efirtc		# EFI RTC
201device		phy
202device		hwreset
203device		nvmem
204device		regulator
205device		syscon
206device		aw_syscon
207
208# Backlight subsystem
209device		backlight
210
211# Misc devices.
212device		pl330		# ARM PL330 dma controller
213device		xdma		# xDMA framework for SoC on-chip dma controllers
214
215# Chip-specific errata
216options 	THUNDERX_PASS_1_1_ERRATA
217
218options 	EFIRT		# EFI Runtime Services
219options 	FDT
220device		acpi
221
222# DTBs
223makeoptions	MODULES_EXTRA="dtb/allwinner dtb/rockchip dtb/rpi"
224
225# Add CAMDEBUG stuff
226options 	CAMDEBUG
227options 	CAM_DEBUG_FLAGS=(CAM_DEBUG_INFO|CAM_DEBUG_PROBE|CAM_DEBUG_PERIPH)
228
229# bring in camified MMC too
230options 	MMCCAM
231
232# arm64 doesn't support inb/outb, so disable chipset probing which needs it
233nooptions 	PPC_PROBE_CHIPSET
234
235# These cause weird issues, not sure why
236nooptions 	DEBUG
237
238# Makes assumptions about bus tags that aren't true on arm64
239nodevice	snd_cmi
240
241# arm64 didn't exist for these releases, so doesn't have the required compat
242# support. Just disable them because they are meaningless.
243nooptions 	COMPAT_FREEBSD4
244nooptions 	COMPAT_FREEBSD5
245nooptions 	COMPAT_FREEBSD6
246nooptions 	COMPAT_FREEBSD7
247nooptions 	COMPAT_FREEBSD9
248nooptions 	COMPAT_FREEBSD10
249
250# arm64 supports 32-bit FreeBSD/arm binaries (armv[67] ABIs)
251options 	COMPAT_FREEBSD32	# Compatible with FreeBSD/arm
252
253options		IOMMU # ARM64 SMMU/IOMMU
254
255#####################################################################
256# ZFS support
257
258options 	ZFS
259
260#
261# HID-over-I2C support
262#
263device		iichid		# HID-over-I2C support
264options 	IICHID_DEBUG	# Enable HID-over-I2C debug messages
265options 	IICHID_SAMPLING	# Workaround missing GPIO INTR support
266