The address of the enviroment is stored in register $a2.
config MIPS_BOOT_FDT
- bool "Hand over a flattened device tree to Linux kernel (INCOMPLETE)"
+ bool "Hand over a flattened device tree to Linux kernel"
default n
help
Enable this option if you want U-Boot to hand over a flattened
- device tree to the kernel.
-
- Note: the final hand over to the kernel is not yet implemented. After
- the community agreed on the MIPS boot interface for device trees,
- the corresponding code will be added.
+ device tree to the kernel. According to UHI register $a0 will be set
+ to -2 and the FDT address is stored in $a1.
endmenu
bootstage_report();
#endif
- kernel(linux_argc, (ulong)linux_argv, (ulong)linux_env, linux_extra);
+ if (images->ft_len)
+ kernel(-2, (ulong)images->ft_addr, 0, 0);
+ else
+ kernel(linux_argc, (ulong)linux_argv, (ulong)linux_env,
+ linux_extra);
}
int do_bootm_linux(int flag, int argc, char * const argv[],