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firmware: Add relocatable FW_PAYLOAD_FDT_ADDR

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The fw_payload.bin has the same issue as described in previous patch.
But only FW_PAYLOAD_FDT_ADDR is affected.

Add FW_PAYLOAD_FDT_OFFSET to identify relocatable payload fdt address.

Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Inochi Amaoto 2024-02-23 16:18:13 +08:00 • committed by Anup Patel
parent 7227cddcb4
commit f056939d8a
2 changed files with 7 additions and 0 deletions
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4
firmware/fw_payload.S
View file

@ -46,6 +46,10 @@ fw_save_info:
fw_next_arg1:
#ifdef FW_PAYLOAD_FDT_ADDR
li a0, FW_PAYLOAD_FDT_ADDR
#elif defined(FW_PAYLOAD_FDT_OFFSET)
lla a0, _fw_start
li a1, FW_PAYLOAD_FDT_OFFSET
add a0, a0, a1
#else
add a0, a1, zero
#endif

3
firmware/objects.mk
View file

@ -65,6 +65,9 @@ ifdef FW_PAYLOAD_ALIGN
firmware-genflags-$(FW_PAYLOAD) += -DFW_PAYLOAD_ALIGN=$(FW_PAYLOAD_ALIGN)
endif
ifdef FW_PAYLOAD_FDT_OFFSET
firmware-genflags-$(FW_PAYLOAD) += -DFW_PAYLOAD_FDT_OFFSET=$(FW_PAYLOAD_FDT_OFFSET)
endif
ifdef FW_PAYLOAD_FDT_ADDR
firmware-genflags-$(FW_PAYLOAD) += -DFW_PAYLOAD_FDT_ADDR=$(FW_PAYLOAD_FDT_ADDR)
endif