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Date:	Wed, 4 Nov 2015 09:24:50 +0000
From:	Huan Wang <alison.wang@...escale.com>
To:	Riku Voipio <riku.voipio@...aro.org>
CC:	"shawnguo@...nel.org" <shawnguo@...nel.org>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"festevam@...il.com" <festevam@...il.com>,
	"Arnd Bergmann" <arnd@...db.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Jin Jason <Jason.Jin@...escale.com>,
	Christoffer Dall <christoffer.dall@...aro.org>
Subject: RE: [PATCH] ARM: add v7 LPAE multi-platform defconfig

> On 27 October 2015 at 16:35, Alison Wang <b18965@...escale.com> wrote:
> > v7 LPAE multi-platform defconfig is based on v7 multi-platform
> > defconfig and adds LPAE support.
> >
> > This defconfig is verified on LS1021A which enables GIANFAR, I2C,
> > WATCHDOG, AUDIO, EDMA and DSPI drivers, etc.
> >
> > Signed-off-by: Alison Wang <alison.wang@...escale.com>
> > ---
> >  arch/arm/configs/multi_v7_lpae_defconfig | 168
> > +++++++++++++++++++++++++++++++
> >  1 file changed, 168 insertions(+)
> >  create mode 100644 arch/arm/configs/multi_v7_lpae_defconfig
> >
> > diff --git a/arch/arm/configs/multi_v7_lpae_defconfig
> > b/arch/arm/configs/multi_v7_lpae_defconfig
> > new file mode 100644
> > index 0000000..65876d0
> > --- /dev/null
> > +++ b/arch/arm/configs/multi_v7_lpae_defconfig
> > @@ -0,0 +1,168 @@
> > +CONFIG_SYSVIPC=y
> > +CONFIG_FHANDLE=y
> > +CONFIG_IRQ_DOMAIN_DEBUG=y
> > +CONFIG_NO_HZ=y
> > +CONFIG_HIGH_RES_TIMERS=y
> > +CONFIG_CGROUPS=y
> > +CONFIG_BLK_DEV_INITRD=y
> > +CONFIG_EMBEDDED=y
> > +CONFIG_PERF_EVENTS=y
> > +CONFIG_MODULES=y
> > +CONFIG_MODULE_UNLOAD=y
> > +CONFIG_PARTITION_ADVANCED=y
> > +CONFIG_CMDLINE_PARTITION=y
> > +CONFIG_ARCH_MXC=y
> > +CONFIG_SOC_LS1021A=y
> 
> Only one platform supported in "multi_v7" config?
> 
> looking at at kernelci boots with CONFIG_LPAE=y:
> 
> http://kernelci.org/build/mainline/kernel/v4.3/defconfig/multi_v7_defcon
> fig+CONFIG_ARM_LPAE=y/?_id=5636b71c59b5145a2d3af14a
> 
> At least MVEBU, EXYNOS5, HISI, OMAP5, SUNXI, TEGRA and VEXPRESS need to
> be enabled. Also all drivers needed to boot these platforms.
> Perhaps the better approach would be to start with multi_v7_defconfig
> and remove each ARCH/MACH that doesn't have an LPAE capable CPU in th
> family.
[Alison Wang] I thought to do as your idea before, but I am not sure which
ARCH/MACH doesn't have an LPAE capable CPU in the family. That is the problem
confused me.
> 
> > +CONFIG_ARM_LPAE=y
> > +CONFIG_PCI=y
> > +CONFIG_PCI_MSI=y
> > +CONFIG_PCI_HOST_GENERIC=y
> > +CONFIG_PCI_LAYERSCAPE=y
> > +CONFIG_PCIEPORTBUS=y
> > +CONFIG_SMP=y
> > +CONFIG_NR_CPUS=16
> > +CONFIG_ARM_PSCI=y
> > +CONFIG_AEABI=y
> > +CONFIG_HIGHMEM=y
> > +CONFIG_CMA=y
> > +CONFIG_ARM_APPENDED_DTB=y
> > +CONFIG_ARM_ATAG_DTB_COMPAT=y
> > +CONFIG_KEXEC=y
> > +CONFIG_CPU_FREQ=y
> > +CONFIG_CPU_FREQ_STAT_DETAILS=y
> > +CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y
> > +CONFIG_CPUFREQ_DT=y
> > +CONFIG_CPU_IDLE=y
> > +CONFIG_ARM_CPUIDLE=y
> > +CONFIG_VFP=y
> > +CONFIG_NEON=y
> > +CONFIG_KERNEL_MODE_NEON=y
> > +CONFIG_NET=y
> > +CONFIG_PACKET=y
> > +CONFIG_UNIX=y
> > +CONFIG_INET=y
> > +CONFIG_IP_PNP=y
> > +CONFIG_IP_PNP_DHCP=y
> > +CONFIG_IP_PNP_BOOTP=y
> > +CONFIG_IP_PNP_RARP=y
> > +CONFIG_IPV6_ROUTER_PREF=y
> > +CONFIG_IPV6_OPTIMISTIC_DAD=y
> > +CONFIG_INET6_AH=m
> > +CONFIG_INET6_ESP=m
> > +CONFIG_INET6_IPCOMP=m
> > +CONFIG_IPV6_MIP6=m
> > +CONFIG_IPV6_TUNNEL=m
> > +CONFIG_IPV6_MULTIPLE_TABLES=y
> > +CONFIG_CAN=y
> > +CONFIG_CAN_FLEXCAN=y
> > +CONFIG_DEVTMPFS=y
> > +CONFIG_DEVTMPFS_MOUNT=y
> > +CONFIG_MTD=y
> > +CONFIG_MTD_CMDLINE_PARTS=y
> > +CONFIG_MTD_BLOCK=y
> > +CONFIG_MTD_CFI=y
> > +CONFIG_MTD_CFI_ADV_OPTIONS=y
> > +CONFIG_MTD_CFI_BE_BYTE_SWAP=y
> > +CONFIG_MTD_CFI_GEOMETRY=y
> > +CONFIG_MTD_CFI_INTELEXT=y
> > +CONFIG_MTD_CFI_AMDSTD=y
> > +CONFIG_MTD_CFI_STAA=y
> > +CONFIG_MTD_PHYSMAP_OF=y
> > +CONFIG_MTD_DATAFLASH=y
> > +CONFIG_MTD_M25P80=y
> > +CONFIG_MTD_SST25L=y
> > +CONFIG_MTD_NAND=y
> > +CONFIG_MTD_SPI_NOR=y
> > +CONFIG_SPI_FSL_QUADSPI=y
> > +CONFIG_BLK_DEV_LOOP=y
> > +CONFIG_BLK_DEV_RAM=y
> > +CONFIG_BLK_DEV_RAM_SIZE=256000
> > +CONFIG_BLK_DEV_SD=y
> > +CONFIG_BLK_DEV_SR=y
> > +CONFIG_ATA=y
> > +CONFIG_SATA_AHCI=y
> > +CONFIG_SATA_AHCI_PLATFORM=y
> > +CONFIG_SATA_SIL24=y
> > +CONFIG_NETDEVICES=y
> > +CONFIG_MACB=y
> > +CONFIG_GIANFAR=y
> > +CONFIG_E1000E=y
> > +CONFIG_AT803X_PHY=y
> > +CONFIG_MARVELL_PHY=y
> > +CONFIG_VITESSE_PHY=y
> > +CONFIG_SMSC_PHY=y
> > +CONFIG_BROADCOM_PHY=y
> > +CONFIG_REALTEK_PHY=y
> > +CONFIG_NATIONAL_PHY=y
> > +CONFIG_MICREL_PHY=y
> > +CONFIG_FIXED_PHY=y
> > +CONFIG_SERIAL_8250=y
> > +CONFIG_SERIAL_8250_CONSOLE=y
> > +CONFIG_SERIAL_OF_PLATFORM=y
> > +CONFIG_SERIAL_FSL_LPUART=y
> > +CONFIG_SERIAL_FSL_LPUART_CONSOLE=y
> > +CONFIG_I2C_IMX=y
> > +CONFIG_SPI=y
> > +CONFIG_SPI_FSL_DSPI=y
> > +CONFIG_WATCHDOG=y
> > +CONFIG_IMX2_WDT=y
> > +CONFIG_REGULATOR=y
> > +CONFIG_REGULATOR_FIXED_VOLTAGE=y
> > +CONFIG_DRM=y
> > +CONFIG_DRM_FSL_DCU=y
> > +CONFIG_DRM_PANEL_SIMPLE=y
> > +CONFIG_FRAMEBUFFER_CONSOLE=y
> > +CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
> > +CONFIG_LOGO=y
> > +CONFIG_SOUND=y
> > +CONFIG_SND=y
> > +CONFIG_SND_DYNAMIC_MINORS=y
> > +CONFIG_SND_SOC=y
> > +CONFIG_SND_SOC_FSL_SAI=y
> > +CONFIG_SND_SOC_SGTL5000=y
> > +CONFIG_SND_SIMPLE_CARD=y
> > +CONFIG_USB=y
> > +CONFIG_USB_XHCI_HCD=y
> > +CONFIG_USB_STORAGE=y
> > +CONFIG_USB_DWC3=y
> > +CONFIG_MMC=y
> > +CONFIG_MMC_SDHCI=y
> > +CONFIG_MMC_SDHCI_PLTFM=y
> > +CONFIG_MMC_SDHCI_OF_ESDHC=y
> > +CONFIG_RTC_CLASS=y
> > +CONFIG_DMADEVICES=y
> > +CONFIG_FSL_EDMA=y
> > +CONFIG_CLK_QORIQ=y
> > +CONFIG_MEMORY=y
> > +CONFIG_PWM=y
> > +CONFIG_PWM_FSL_FTM=y
> > +CONFIG_GENERIC_PHY=y
> > +CONFIG_EXT4_FS=y
> > +CONFIG_AUTOFS4_FS=y
> > +CONFIG_MSDOS_FS=y
> > +CONFIG_VFAT_FS=y
> > +CONFIG_NTFS_FS=y
> > +CONFIG_TMPFS=y
> > +CONFIG_TMPFS_POSIX_ACL=y
> > +CONFIG_SQUASHFS=y
> > +CONFIG_SQUASHFS_LZO=y
> > +CONFIG_SQUASHFS_XZ=y
> > +CONFIG_NFS_FS=y
> > +CONFIG_NFS_V3_ACL=y
> > +CONFIG_NFS_V4=y
> > +CONFIG_ROOT_NFS=y
> > +CONFIG_NLS_CODEPAGE_437=y
> > +CONFIG_NLS_ISO8859_1=y
> > +CONFIG_NLS_UTF8=y
> > +CONFIG_PRINTK_TIME=y
> > +CONFIG_DEBUG_FS=y
> > +CONFIG_MAGIC_SYSRQ=y
> > +CONFIG_LOCKUP_DETECTOR=y
> > +CONFIG_ARM_CRYPTO=y
> > +CONFIG_CRYPTO_SHA1_ARM_NEON=m
> > +CONFIG_CRYPTO_SHA1_ARM_CE=m
> > +CONFIG_CRYPTO_SHA2_ARM_CE=m
> > +CONFIG_CRYPTO_SHA512_ARM=m
> > +CONFIG_CRYPTO_AES_ARM_BS=m
> > +CONFIG_CRYPTO_AES_ARM_CE=m
> > +CONFIG_CRYPTO_GHASH_ARM_CE=m
> > --
> > 2.1.0.27.g96db324
> >
> >
> > _______________________________________________
> > linux-arm-kernel mailing list
> > linux-arm-kernel@...ts.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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