From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Fri, 23 Feb 2018 09:57:30 -0500 Subject: [U-Boot] Support of kernels > 16 MiB on Raspberry Pi In-Reply-To: References: <1519329516.23822.16.camel@kurtz.be> Message-ID: <20180223145730.GK4311@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Fri, Feb 23, 2018 at 04:47:06PM +0900, Jaehoon Chung wrote: > On 02/23/2018 04:58 AM, Alexander Kurtz wrote: > > Hi! > > > > I am using U-Boot to boot Debian Buster arm64 (standard kernel with a > > dracut-based initramfs) via an extlinux.conf on my Raspberry Pi 3. > > > > Recently, the Debian kernel grew beyond 16 MiB: > > > > 4.13: /boot/vmlinuz-4.13.0-1-arm64 == 16448000 bytes (< 16 MiB) [0] > > 4.14: /boot/vmlinuz-4.14.0-3-arm64 == 17539584 bytes (> 16 MiB) [1] > > 4.15: /boot/vmlinuz-4.15.0-1-arm64 == 17867264 bytes (> 16 MiB) [2] > > > > https://github.com/u-boot/u-boot/blob/master/include/configs/rpi.h#L129 says: > > > > #define ENV_MEM_LAYOUT_SETTINGS \ > > "fdt_high=ffffffff\0" \ > > "initrd_high=ffffffff\0" \ > > "fdt_addr_r=0x00000100\0" \ > > "pxefile_addr_r=0x00100000\0" \ > > "kernel_addr_r=0x01000000\0" \ > > "scriptaddr=0x02000000\0" \ > > "ramdisk_addr_r=0x02100000\0" \ > > > > Am I correct in assuming that this default configuration will break > > with kernels > 16 MiB? The Readme [3] seems to confirm this, but I > > wanted to ask for explicit confirmation here. > > Especially, this is occurred about arm64 kernel. > Because it wil be overlapped with other image address, if kernel image is over than 16MB. > > In my case, i'm using the private boot.scr.img for booting script. > I had just added the kernel_addr_r=0x02d000000. > > Just Refer to below: > https://review.tizen.org/git/?p=platform/kernel/u-boot.git;a=commit;h=8fdfbbeb8a4b2f8c8e66824709e48d9abdb23534 I would strongly recommend setting the values here based on what linux/Documentation/arm/Booting and linux/Documentation/arm64/boot.txt describe as the maximum limits for each of these locations. And take a peek at include/configs/ti_armv7_common.h in U-Boot on how I set these for the various TI platforms. -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: not available URL: