uboot-mediatek: bpi-r3: prepare for larger FIT structures

Instead of reading only a single 4kiB page, read the first 128kiB to
determine the size of an uImage.FIT using 'imsz' or 'imszb'.
This will be needed once we add more Device Tree Overlays, which may
happen for the BPi-R3 mini.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3c2f7bb555c2cd5c4be8aed11b9d31b48cc0bcf8)

diff --git a/package/boot/uboot-mediatek/patches/430-add-bpi-r3.patch b/package/boot/uboot-mediatek/patches/430-add-bpi-r3.patch
index 98010a330477bc359101e0a28cb753c867b83323..146a93f4f3763b806143fc7888412444e09ba281 100644 (file)
--- a/package/boot/uboot-mediatek/patches/430-add-bpi-r3.patch
+++ b/package/boot/uboot-mediatek/patches/430-add-bpi-r3.patch
@@ -840,7 +840,7 @@
 +boot_tftp_recovery=run boot_update_conf ; tftpboot $loadaddr $bootfile && env exists replacevol && iminfo $loadaddr && run sdmmc_write_recovery ; if env exists noboot ; then else bootm $loadaddr#$bootconf ; fi
 +boot_tftp=run boot_update_conf ; tftpboot $loadaddr $bootfile && bootm $loadaddr#$bootconf
 +mmc_write_vol=imszb $loadaddr image_size && test 0x$image_size -le 0x$part_size && mmc erase 0x$part_addr 0x$image_size && mmc write $loadaddr 0x$part_addr 0x$image_size
-+mmc_read_vol=mmc read $loadaddr $part_addr 0x8 && imszb $loadaddr image_size && test 0x$image_size -le 0x$part_size && mmc read $loadaddr 0x$part_addr 0x$image_size && setexpr filesize $image_size * 0x200
++mmc_read_vol=mmc read $loadaddr $part_addr 0x100 && imszb $loadaddr image_size && test 0x$image_size -le 0x$part_size && mmc read $loadaddr 0x$part_addr 0x$image_size && setexpr filesize $image_size * 0x200
 +part_default=production
 +part_recovery=recovery
 +reset_factory=eraseenv && reset
@@ -931,8 +931,8 @@
 +boot_write_fip=mtd erase fip && mtd write fip $loadaddr
 +boot_write_preloader=mtd erase bl2 && mtd write bl2 $loadaddr
 +reset_factory=mtd erase u-boot-env
-+nor_read_production=mtd read fit $loadaddr 0x0 0x1000 && imsz $loadaddr image_size && mtd read fit $loadaddr 0x0 $image_size
-+nor_read_recovery=mtd read recovery $loadaddr 0x0 0x1000 && imsz $loadaddr image_size && mtd read recovery $loadaddr 0x0 $image_size
++nor_read_production=mtd read fit $loadaddr 0x0 0x20000 && imsz $loadaddr image_size && mtd read fit $loadaddr 0x0 $image_size
++nor_read_recovery=mtd read recovery $loadaddr 0x0 0x20000 && imsz $loadaddr image_size && mtd read recovery $loadaddr 0x0 $image_size
 +nor_pad_size=imsz $loadaddr image_size ; setexpr image_eb 0x$image_size / 0x10000 ; setexpr tmp1 0x$image_size % 0x10000 ; test 0x$tmp1 -gt 0 && setexpr image_eb 0x$image_eb + 1 ; setexpr image_eb $image_eb * 0x10000
 +nor_write_production=run nor_pad_size ; test 0x$image_eb -le 0x3000000 && mtd erase fit && mtd write fit $loadaddr 0x0 $image_eb
 +nor_write_recovery=run nor_pad_size ; test 0x$image_eb -le 0x900000 && mtd erase recovery 0x0 0x$image_eb && mtd write recovery $loadaddr 0x0 $image_eb
@@ -1067,7 +1067,7 @@
 +boot_tftp=run boot_update_conf ; tftpboot $loadaddr $bootfile && bootm $loadaddr#$bootconf
 +boot_update_conf=if nand info ; then setenv bootconf $bootconf_base#$bootconf_emmc#$bootconf_nand ; else setenv bootconf $bootconf_base#$bootconf_emmc#$bootconf_nor ; fi
 +mmc_write_vol=imszb $loadaddr image_size && test 0x$image_size -le 0x$part_size && mmc erase 0x$part_addr 0x$image_size && mmc write $loadaddr 0x$part_addr 0x$image_size
-+mmc_read_vol=mmc read $loadaddr $part_addr 0x8 && imszb $loadaddr image_size && test 0x$image_size -le 0x$part_size && mmc read $loadaddr 0x$part_addr 0x$image_size && setexpr filesize $image_size * 0x200
++mmc_read_vol=mmc read $loadaddr $part_addr 0x100 && imszb $loadaddr image_size && test 0x$image_size -le 0x$part_size && mmc read $loadaddr 0x$part_addr 0x$image_size && setexpr filesize $image_size * 0x200
 +part_default=production
 +part_recovery=recovery
 +reset_factory=eraseenv && reset