The existing values don't provide for decompressing an arm64 boot-image. Add those values and move things apart a bit so that a 50MB kernel can be accommodated.
Signed-off-by: Simon Glass sjg@chromium.org ---
(no changes since v3)
Changes in v3: - Update the comment block with the new values, including compression
board/raspberrypi/rpi/rpi.env | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-)
diff --git a/board/raspberrypi/rpi/rpi.env b/board/raspberrypi/rpi/rpi.env index 9b9fad82828..9ac9d6768ca 100644 --- a/board/raspberrypi/rpi/rpi.env +++ b/board/raspberrypi/rpi/rpi.env @@ -48,28 +48,33 @@ dfu_alt_info+=zImage fat 0 1 * * scriptaddr and pxefile_addr_r can be pretty much anywhere that doesn't * conflict with something else. Reserving 1M for each of them at - * 0x02400000-0x02500000 and 0x02500000-0x02600000 should be plenty. + * 0x05400000-0x05500000 and 0x05500000-0x05600000 should be plenty. * * On ARM, both the DTB and any possible initrd must be loaded such that they * fit inside the lowmem mapping in Linux. In practice, this usually means not * more than ~700M away from the start of the kernel image but this number can * be larger OR smaller depending on e.g. the 'vmalloc=xxxM' command line * parameter given to the kernel. So reserving memory from low to high - * satisfies this constraint again. Reserving 1M at 0x02600000-0x02700000 for - * the DTB leaves rest of the free RAM to the initrd starting at 0x02700000. - * Even with the smallest possible CPU-GPU memory split of the CPU getting - * only 64M, the remaining 25M starting at 0x02700000 should allow quite - * large initrds before they start colliding with U-Boot. + * satisfies this constraint again. Reserving 1M at 0x05600000-0x05700000 for + * the DTB leaves rest of the free RAM to the initrd starting at 0x05700000. + * This means that the board must have at least 128MB of RAM available to + * U-Boot, more if the initrd is large. * - * Limit bootm_size to 512MB so that all boot images stay within the bottom + * For compressed kernels, the maximum size is just under 32MB, with an area for + * decompression at 0x02000000 with space for 52MB, which is plenty for current + * kernels. + * + * limit bootm_size to 512MB so that all boot images stay within the bottom * 512MB of memory */ bootm_size=0x20000000
kernel_addr_r=0x00080000 -scriptaddr=0x02400000 -pxefile_addr_r=0x02500000 -fdt_addr_r=0x02600000 -ramdisk_addr_r=0x02700000 +kernel_comp_addr_r=0x02000000 +kernel_comp_size=0x03400000 +scriptaddr=0x05400000 +pxefile_addr_r=0x05500000 +fdt_addr_r=0x05600000 +ramdisk_addr_r=0x05700000
boot_targets=mmc usb pxe dhcp