Hi,
Thanks to help from Jean, Michal and Takashi I was able to fix the build
of 3.16 kernels in Kernel:HEAD.
I tested armv7hl kernel-default on the Cubietruck. It required
INITRD_MODULES="ahci_sunxi" in /etc/sysconfig/kernel for my SATA based
rootfs; like in early RCs there is no serial console output (both with
packaged and latest u-boot-sunxi), but at some point ssh is possible.
# boot.scr
setenv bootargs console=ttyS0,115200 root=/dev/sda1 rootfstype=btrfs rw
rootwait
ext2load mmc 0:1 0x46000000 boot/zImage
ext2load mmc 0:1 0x49000000 boot/dtb/sun7i-a20-cubietruck.dtb
ext2load mmc 0:1 0x4a000000 boot/initrd
bootz 0x46000000 0x4a000000:0x${filesize} 0x49000000
kernel-lpae did not allow ssh, here's a quick SUNxI diff:
$ diff -u /boot/config-3.16.0-5.g07174c1-default
/boot/config-3.16.0-5.g07174c1-lpae | grep SUN.I
CONFIG_ARCH_SUNXI=y
-CONFIG_MACH_SUN4I=y
-CONFIG_MACH_SUN5I=y
+# CONFIG_MACH_SUN4I is not set
+# CONFIG_MACH_SUN5I is not set
CONFIG_MACH_SUN6I=y
CONFIG_MACH_SUN7I=y
CONFIG_AHCI_SUNXI=m
-CONFIG_SUN4I_EMAC=m
+# CONFIG_SUN4I_EMAC is not set
-CONFIG_DWMAC_SUNXI=y
-CONFIG_MDIO_SUN4I=m
+# CONFIG_MDIO_SUN4I is not set
CONFIG_I2C_SUN6I_P2WI=m
-CONFIG_SPI_SUN4I=m
+# CONFIG_SPI_SUN4I is not set
CONFIG_SPI_SUN6I=m
CONFIG_PINCTRL_SUNXI=y
CONFIG_PINCTRL_SUNXI_COMMON=y
CONFIG_PINCTRL_SUN4I_A10=y
CONFIG_PINCTRL_SUN6I_A31=y
CONFIG_PINCTRL_SUN6I_A31_R=y
CONFIG_PINCTRL_SUN7I_A20=y
CONFIG_POWER_RESET_SUN6I=y
CONFIG_SUNXI_WATCHDOG=m
CONFIG_MMC_SUNXI=m
-CONFIG_RTC_DRV_SUNXI=m
+CONFIG_RTC_DRV_SUNXI=y
CONFIG_SUN4I_TIMER=y
CONFIG_SUN5I_HSTIMER=y
CONFIG_PHY_SUN4I_USB=m
DWMAC_SUNXI is the network driver needed, so I added it to the lpae
config and will need to re-test.
As for RTC_DRV_* we seem to be inconsistent - should they all be y or m?
On the Raspberry Pi the armv6hl kernel-default boots to the login
prompt, but USB and network do not seem to be working (regression from
3.15 Kernel:HEAD). The only obviously missing option seemed to be
DMA_BCM2835 - will re-test once we have a new kernel with that.
# boot.scr
setenv bootargs 'console=ttyAMA0,115200 console=tty1 root=/dev/mmcblk0p3
rootfstype=ext4 rw rootwait dwc_otg.lpm_enable=0'
ext2load mmc 0:2 ${kernel_addr_r} zImage
ext2load mmc 0:2 ${fdt_addr_r} dtb/bcm2835-rpi-b.dtb
ext2load mmc 0:2 ${ramdisk_addr_r} initrd
bootz ${kernel_addr_r} ${ramdisk_addr_r}:0x${filesize} ${fdt_addr_r}
As always, help with testing appreciated. Maybe 3.16.1 will help, too.
Cheers,
Andreas
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