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Fix FDT relocation

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Or rather, disable it if FW_PAYLOAD_FDT_ADDR is not defined. This
correspond to cases where the underlying FW that loaded and started
opensbi did not provide any FDT. In such case, the platform code will
need to prepare one.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
This commit is contained in:
Damien Le Moal
2018-12-21 10:03:56 +09:00
parent aa68f0252f
commit 513474cd1b
1 changed files with 2 additions and 0 deletions
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2
firmware/fw_common.S
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@@ -41,6 +41,7 @@ _bss_zero:
add a1, t1, zero
_prev_arg1_override_done:
#ifdef FW_PAYLOAD_FDT_ADDR
/*
* Relocate Flatened Device Tree (FDT)
* source FDT address = previous arg1
@@ -99,6 +100,7 @@ _fdt_reloc_again:
add t1, t1, __SIZEOF_POINTER__
blt t1, t2, _fdt_reloc_again
_fdt_reloc_done:
#endif
/* Update boot hart flag */
la a4, _boot_hart_done