package/freescale-imx/firmware-imx: custom padding
Some derivatives (such as Variscite imx8mm) expect the (LP)DDR4 training data to be padded to a different length. eg: https://github.com/varigit/uboot-imx/commit/5f8d814f This patch makes the padding length configurable. Signed-off-by: Tibault Damman <tibault.damman@basalte.be> Signed-off-by: Pieter De Gendt <pieter.degendt@basalte.be> Reviewed-by: Gary Bisson <gary.bisson@boundarydevices.com> Tested-by: Stephane Viau <stephane.viau@oss.nxp.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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@ -69,6 +69,18 @@ config BR2_PACKAGE_FIRMWARE_IMX_DDR4
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endchoice # DDR training FW
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config BR2_PACKAGE_FIRMWARE_IMX_IMEM_LEN
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hex "(LP)DDR IMEM padding length"
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default 0x8000
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help
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The IMEM firmware will be padded to this length
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config BR2_PACKAGE_FIRMWARE_IMX_DMEM_LEN
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hex "(LP)DDR DMEM padding length"
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default 0x4000
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help
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The DMEM firmware will be padded to this length
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endif # BR2_PACKAGE_FIRMWARE_IMX_NEEDS_DDR_FW
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endif # BR2_PACKAGE_FIRMWARE_IMX
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@ -23,10 +23,12 @@ endef
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#
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define FIRMWARE_IMX_PREPARE_DDR_FW
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$(TARGET_OBJCOPY) -I binary -O binary --pad-to 0x8000 --gap-fill=0x0 \
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$(TARGET_OBJCOPY) -I binary -O binary \
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--pad-to $(BR2_PACKAGE_FIRMWARE_IMX_IMEM_LEN) --gap-fill=0x0 \
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$(FIRMWARE_IMX_DDRFW_DIR)/$(strip $(1)).bin \
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$(FIRMWARE_IMX_DDRFW_DIR)/$(strip $(1))_pad.bin
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$(TARGET_OBJCOPY) -I binary -O binary --pad-to 0x4000 --gap-fill=0x0 \
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$(TARGET_OBJCOPY) -I binary -O binary \
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--pad-to $(BR2_PACKAGE_FIRMWARE_IMX_DMEM_LEN) --gap-fill=0x0 \
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$(FIRMWARE_IMX_DDRFW_DIR)/$(strip $(2)).bin \
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$(FIRMWARE_IMX_DDRFW_DIR)/$(strip $(2))_pad.bin
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cat $(FIRMWARE_IMX_DDRFW_DIR)/$(strip $(1))_pad.bin \
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