openwrt/target/linux/ipq806x/patches-4.0
Felix Fietkau bdcba36442 ipq806x: fix boot freeze on zImage kernel
ARCH_QCOM is using the ARCH_MULTIPLATFORM option, as now recommended
on most ARM architectures. This automatically calculate ZRELADDR by
masking PHYS_OFFSET with 0xf8000000.

On IPQ806x though, the first ~20MB of RAM is reserved for the hardware.
In newer bootloader, when DT is used, this is not a problem, we just
reserve this memory in the device tree. But if the bootloader doesn't
have DT support, then ATAGS have to be used. In this case, the ARM
decompressor will position the kernel in this low mem, which will not be
in the RAM section mapped by the bootloader, which means the kernel will
freeze in the middle of the boot process trying to map the memory.

As a work around, this patch allows disabling AUTO_ZRELADDR when
ARCH_QCOM is selected. It makes the zImage usage possible on bootloaders
which don't support device-tree, which is the case on certain early
IPQ806x based designs.

Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>

SVN-Revision: 45661
2015-05-10 11:46:56 +00:00
..
001-spi-qup-Add-DMA-capabilities.patch
002-v3-spi-qup-Fix-incorrect-block-transfers.patch
003-spi-qup-Ensure-done-detection.patch
011-watchdog-qcom-use-timer-devicetree-binding.patch
012-ARM-qcom-add-description-of-KPSS-WDT-for-IPQ8064.patch
013-ARM-msm-add-watchdog-entries-to-DT-timer-binding-doc.patch
020-add-ap148-bootargs.patch
021-add-ap148-partitions.patch
022-add-db149-dts.patch ipq806x: add db149 dts files 2015-04-21 07:15:37 +00:00
300-arch-arm-force-ZRELADDR-on-arch-qcom.patch ipq806x: fix boot freeze on zImage kernel 2015-05-10 11:46:56 +00:00
700-add-gmac-dts-suport.patch