On 2/12/19 9:03 AM, Jon Hunter wrote:
From: Jonathan Hunter <[email protected]>
Booting recently Linux -next kernels on 32-bit Tegra devices has been
failing when using the 'multi_v7_defconfig' kenrel configuration because
the size of has grown such that it is overwriting the FDT blob.
Current Linux -next kernels built with the 'multi_v7_defconfig' have a
total size of ~19.5MB (where .text is ~12.5MB, .data is ~6.5MB and .bss
is ~0.5MB). Therefore, increase the memory location reserved for the
Linux kernel to 32MB from 16MB for 32-bit Tegra devices.
This change has been boot tested on Tegra20 Ventana, Tegra30 Cardhu and
Tegra124 Jetson TK1 with the Linux next tree (20190212).
Reviewed-by: Stephen Warren <[email protected]>
Just in case anyone else puzzles over this:
It took me too long to realize/remember why the following wasn't a
problem since the stack will overlap the initrd location:
-#define CONFIG_STACKBASE 0x82800000 /* 40MB */
+#define CONFIG_STACKBASE 0x83800000 /* 56MB */
...
+ "ramdisk_addr_r=0x83100000\0"
... which of course is because the stackbase variable is only used
during early boot, which is long before that location is used to store
the initrd the U-Boot loads.
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