[Buildroot] [PATCH 2/6 v2] configs/raspberrypi: update the DT-enabled config

Yann E. MORIN yann.morin.1998 at free.fr
Mon Jun 29 22:07:42 UTC 2015


Update to the latest stable kernel version; build an in-tree DTB; use
a in-tree defconfig; enable C++ (to match what we have in the non-DT
variant); do not install DTB overlays (this minimalist config does not
make use of them).

Generate the DTBs for both the "original" variant (A and B) and the
"Plus" variant (A+ and B+).

Drop our custom linux defconfig file now we use an in-tree one.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Cc: Floris Bos <bos at je-eigen-domein.nl>
Cc: Pascal de Bruijn <pmjdebruijn at pcode.nl>
Cc: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>

---
Changes v1 -> v2:
  - use a singled defconfig for a/B and A+/B+  (Thomas)
  - further bump the kernel version
---
 board/raspberrypi/linux-3.18-rpi-dt.defconfig | 204 --------------------------
 configs/raspberrypi_dt_defconfig              |  21 ++-
 2 files changed, 14 insertions(+), 211 deletions(-)
 delete mode 100644 board/raspberrypi/linux-3.18-rpi-dt.defconfig

diff --git a/board/raspberrypi/linux-3.18-rpi-dt.defconfig b/board/raspberrypi/linux-3.18-rpi-dt.defconfig
deleted file mode 100644
index 69c0fa3..0000000
--- a/board/raspberrypi/linux-3.18-rpi-dt.defconfig
+++ /dev/null
@@ -1,204 +0,0 @@
-# CONFIG_LOCALVERSION_AUTO is not set
-CONFIG_KERNEL_XZ=y
-# CONFIG_SWAP is not set
-CONFIG_SYSVIPC=y
-CONFIG_POSIX_MQUEUE=y
-CONFIG_FHANDLE=y
-CONFIG_NO_HZ_IDLE=y
-CONFIG_HIGH_RES_TIMERS=y
-CONFIG_IKCONFIG=m
-CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=21
-# CONFIG_UTS_NS is not set
-# CONFIG_IPC_NS is not set
-# CONFIG_PID_NS is not set
-# CONFIG_NET_NS is not set
-CONFIG_RELAY=y
-# CONFIG_COMPAT_BRK is not set
-CONFIG_JUMP_LABEL=y
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-# CONFIG_BLK_DEV_BSG is not set
-# CONFIG_IOSCHED_DEADLINE is not set
-# CONFIG_IOSCHED_CFQ is not set
-CONFIG_ARCH_BCM2708=y
-CONFIG_BCM2708_DT=y
-CONFIG_PREEMPT=y
-CONFIG_AEABI=y
-CONFIG_KSM=y
-CONFIG_UACCESS_WITH_MEMCPY=y
-# CONFIG_ATAGS is not set
-CONFIG_KEXEC=y
-CONFIG_AUTO_ZRELADDR=y
-CONFIG_CPU_FREQ=y
-CONFIG_CPU_FREQ_STAT=m
-CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE=y
-CONFIG_CPU_FREQ_GOV_POWERSAVE=m
-CONFIG_CPU_FREQ_GOV_USERSPACE=m
-CONFIG_CPU_FREQ_GOV_ONDEMAND=m
-CONFIG_VFP=y
-CONFIG_BINFMT_MISC=m
-# CONFIG_SUSPEND is not set
-CONFIG_NET=y
-CONFIG_PACKET=y
-CONFIG_PACKET_DIAG=m
-CONFIG_UNIX=y
-CONFIG_UNIX_DIAG=m
-CONFIG_INET=y
-CONFIG_SYN_COOKIES=y
-# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
-# CONFIG_INET_XFRM_MODE_TUNNEL is not set
-# CONFIG_INET_XFRM_MODE_BEET is not set
-# CONFIG_INET_LRO is not set
-CONFIG_INET_DIAG=m
-CONFIG_INET_UDP_DIAG=m
-# CONFIG_IPV6 is not set
-CONFIG_NETLINK_DIAG=y
-CONFIG_BPF_JIT=y
-# CONFIG_WIRELESS is not set
-CONFIG_DEVTMPFS=y
-CONFIG_DEVTMPFS_MOUNT=y
-# CONFIG_FIRMWARE_IN_KERNEL is not set
-CONFIG_CONNECTOR=y
-CONFIG_BLK_DEV_LOOP=m
-CONFIG_BLK_DEV_RAM=m
-CONFIG_SCSI=m
-# CONFIG_SCSI_PROC_FS is not set
-CONFIG_BLK_DEV_SD=m
-# CONFIG_SCSI_LOWLEVEL is not set
-CONFIG_NETDEVICES=y
-CONFIG_DUMMY=m
-# CONFIG_ETHERNET is not set
-CONFIG_USB_USBNET=m
-# CONFIG_USB_NET_AX8817X is not set
-# CONFIG_USB_NET_AX88179_178A is not set
-# CONFIG_USB_NET_CDCETHER is not set
-# CONFIG_USB_NET_CDC_NCM is not set
-CONFIG_USB_NET_SMSC95XX=m
-# CONFIG_USB_NET_NET1080 is not set
-# CONFIG_USB_NET_CDC_SUBSET is not set
-# CONFIG_USB_NET_ZAURUS is not set
-# CONFIG_WLAN is not set
-CONFIG_INPUT_SPARSEKMAP=m
-CONFIG_INPUT_EVDEV=m
-# CONFIG_INPUT_KEYBOARD is not set
-# CONFIG_INPUT_MOUSE is not set
-# CONFIG_SERIO is not set
-# CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVKMEM is not set
-CONFIG_SERIAL_AMBA_PL011=y
-CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
-CONFIG_HW_RANDOM_BCM2708=m
-CONFIG_I2C=m
-CONFIG_I2C_CHARDEV=m
-CONFIG_I2C_BCM2835=m
-CONFIG_I2C_BCM2708=m
-CONFIG_SPI=y
-CONFIG_SPI_BCM2835=m
-CONFIG_SPI_BCM2708=m
-CONFIG_SPI_BITBANG=m
-CONFIG_GPIO_SYSFS=y
-CONFIG_GPIO_GENERIC_PLATFORM=y
-# CONFIG_HWMON is not set
-CONFIG_THERMAL=y
-CONFIG_THERMAL_BCM2835=y
-CONFIG_WATCHDOG=y
-CONFIG_SOFT_WATCHDOG=m
-CONFIG_BCM2708_WDT=m
-CONFIG_REGULATOR=y
-CONFIG_REGULATOR_FIXED_VOLTAGE=m
-CONFIG_REGULATOR_USERSPACE_CONSUMER=m
-CONFIG_FB=y
-CONFIG_FIRMWARE_EDID=y
-CONFIG_FB_MODE_HELPERS=y
-CONFIG_FB_BCM2708=y
-CONFIG_FRAMEBUFFER_CONSOLE=y
-CONFIG_LOGO=y
-# CONFIG_LOGO_LINUX_MONO is not set
-# CONFIG_LOGO_LINUX_VGA16 is not set
-CONFIG_SOUND=m
-CONFIG_SND=m
-CONFIG_SND_SEQUENCER=m
-CONFIG_SND_SEQ_DUMMY=m
-CONFIG_SND_MIXER_OSS=m
-CONFIG_SND_PCM_OSS=m
-CONFIG_SND_SEQUENCER_OSS=y
-CONFIG_SND_HRTIMER=m
-# CONFIG_SND_SUPPORT_OLD_API is not set
-CONFIG_SND_DUMMY=m
-CONFIG_SND_BCM2835=m
-# CONFIG_SND_SPI is not set
-CONFIG_SND_USB_AUDIO=m
-CONFIG_HIDRAW=y
-CONFIG_UHID=y
-CONFIG_HID_PID=y
-CONFIG_USB_HIDDEV=y
-CONFIG_USB=y
-CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
-CONFIG_USB_DYNAMIC_MINORS=y
-CONFIG_USB_DWCOTG=y
-CONFIG_USB_STORAGE=m
-CONFIG_USB_STORAGE_REALTEK=m
-CONFIG_USB_STORAGE_DATAFAB=m
-CONFIG_USB_STORAGE_FREECOM=m
-CONFIG_USB_STORAGE_ISD200=m
-CONFIG_USB_STORAGE_USBAT=m
-CONFIG_USB_STORAGE_SDDR09=m
-CONFIG_USB_STORAGE_SDDR55=m
-CONFIG_USB_STORAGE_JUMPSHOT=m
-CONFIG_USB_STORAGE_ALAUDA=m
-CONFIG_USB_STORAGE_ONETOUCH=m
-CONFIG_USB_STORAGE_KARMA=m
-CONFIG_USB_STORAGE_CYPRESS_ATACB=m
-CONFIG_USB_STORAGE_ENE_UB6250=m
-CONFIG_MMC=y
-CONFIG_MMC_SDHCI=y
-CONFIG_MMC_SDHCI_PLTFM=y
-CONFIG_MMC_BCM2835=y
-CONFIG_MMC_BCM2835_DMA=y
-CONFIG_NEW_LEDS=y
-CONFIG_LEDS_CLASS=y
-CONFIG_LEDS_GPIO=m
-CONFIG_LEDS_TRIGGERS=y
-CONFIG_LEDS_TRIGGER_TIMER=m
-CONFIG_LEDS_TRIGGER_ONESHOT=m
-CONFIG_LEDS_TRIGGER_HEARTBEAT=m
-CONFIG_LEDS_TRIGGER_BACKLIGHT=m
-CONFIG_LEDS_TRIGGER_CPU=y
-CONFIG_LEDS_TRIGGER_GPIO=m
-CONFIG_LEDS_TRIGGER_DEFAULT_ON=m
-CONFIG_LEDS_TRIGGER_TRANSIENT=m
-CONFIG_LEDS_TRIGGER_CAMERA=m
-# CONFIG_IOMMU_SUPPORT is not set
-CONFIG_EXT2_FS=m
-CONFIG_EXT3_FS=m
-# CONFIG_EXT3_FS_XATTR is not set
-CONFIG_EXT4_FS=y
-CONFIG_FANOTIFY=y
-CONFIG_MSDOS_FS=m
-CONFIG_VFAT_FS=m
-CONFIG_FAT_DEFAULT_CODEPAGE=850
-CONFIG_FAT_DEFAULT_IOCHARSET="utf8"
-CONFIG_TMPFS=y
-CONFIG_TMPFS_POSIX_ACL=y
-CONFIG_CONFIGFS_FS=m
-# CONFIG_MISC_FILESYSTEMS is not set
-# CONFIG_NETWORK_FILESYSTEMS is not set
-CONFIG_NLS_DEFAULT="utf8"
-CONFIG_NLS_CODEPAGE_437=m
-CONFIG_NLS_CODEPAGE_850=m
-CONFIG_NLS_ASCII=m
-CONFIG_NLS_ISO8859_1=m
-CONFIG_NLS_ISO8859_15=m
-CONFIG_NLS_UTF8=m
-CONFIG_PRINTK_TIME=y
-CONFIG_STRIP_ASM_SYMS=y
-CONFIG_PANIC_ON_OOPS=y
-# CONFIG_RCU_CPU_STALL_VERBOSE is not set
-CONFIG_STRICT_DEVMEM=y
-CONFIG_DEBUG_USER=y
-CONFIG_CRYPTO_MANAGER=m
-# CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
-CONFIG_CRYPTO_NULL=m
-# CONFIG_CRYPTO_ANSI_CPRNG is not set
-# CONFIG_CRYPTO_HW is not set
diff --git a/configs/raspberrypi_dt_defconfig b/configs/raspberrypi_dt_defconfig
index 991460e..61487a4 100644
--- a/configs/raspberrypi_dt_defconfig
+++ b/configs/raspberrypi_dt_defconfig
@@ -3,18 +3,25 @@ BR2_arm1176jzf_s=y
 
 BR2_TARGET_GENERIC_GETTY_PORT="tty1"
 
-# Lock to 3.18 headers as the RPi kernel with
-# DT support is based off the 3.18 branch
+# Lock to 4.0 headers as the RPi kernel stable tree is
+# based off the 4.0 branch
 BR2_KERNEL_HEADERS_VERSION=y
-BR2_DEFAULT_KERNEL_VERSION="3.18"
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_18=y
+BR2_DEFAULT_KERNEL_VERSION="4.0.6"
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_0=y
+
+BR2_TOOLCHAIN_BUILDROOT_CXX=y
 
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_GIT=y
 BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/raspberrypi/linux.git"
-BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="2747cc0bde4ca441691260fae1e34c9ef954ccae"
-BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
-BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/raspberrypi/linux-3.18-rpi-dt.defconfig"
+BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="f90f981770e3ac8506dc84c9cd01471faaa0b0c2"
+BR2_LINUX_KERNEL_USE_DEFCONFIG=y
+BR2_LINUX_KERNEL_DEFCONFIG="bcmrpi"
 BR2_LINUX_KERNEL_ZIMAGE=y
 
+# Build the DTBs for A/B and A+/B+ from the kernel sources
+BR2_LINUX_KERNEL_DTS_SUPPORT=y
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="bcm2708-rpi-b bcm2708-rpi-b-plus"
+
 BR2_PACKAGE_RPI_FIRMWARE=y
+# BR2_PACKAGE_RPI_FIRMWARE_INSTALL_DTB_OVERLAYS is not set
-- 
1.9.1



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