2021-11-01 17:26:00 +00:00
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From 02794d97426245146aaec889583e3eea11e80c02 Mon Sep 17 00:00:00 2001
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2021-06-08 21:36:42 +00:00
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From: Samuel Holland <samuel@sholland.org>
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Date: Sun, 20 Jun 2021 14:24:29 -0500
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2021-11-01 17:26:00 +00:00
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Subject: [PATCH 04/10] sunxi: Support building a SPL as a TOC0 image
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2021-06-08 21:36:42 +00:00
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Now that mkimage can generate TOC0 images, and the SPL can interpret
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them, hook up the build infrastructure so the user can choose which
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image type to build.
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Signed-off-by: Samuel Holland <samuel@sholland.org>
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---
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arch/arm/mach-sunxi/Kconfig | 2 ++
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board/sunxi/Kconfig | 24 ++++++++++++++++++++++++
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scripts/Makefile.spl | 3 ++-
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3 files changed, 28 insertions(+), 1 deletion(-)
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create mode 100644 board/sunxi/Kconfig
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diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
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index 49f94f095c..b0191d0080 100644
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--- a/arch/arm/mach-sunxi/Kconfig
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+++ b/arch/arm/mach-sunxi/Kconfig
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@@ -1091,6 +1091,8 @@ config BLUETOOTH_DT_DEVICE_FIXUP
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The used address is "bdaddr" if set, and "ethaddr" with the LSB
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flipped elsewise.
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+source "board/sunxi/Kconfig"
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+
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endif
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config CHIP_DIP_SCAN
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diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
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new file mode 100644
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index 0000000000..c5c0929db5
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--- /dev/null
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+++ b/board/sunxi/Kconfig
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@@ -0,0 +1,24 @@
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+choice
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+ prompt "SPL Image Type"
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+ default SUNXI_SPL_IMAGE_EGON
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+
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+config SUNXI_SPL_IMAGE_EGON
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+ bool "eGON (non-secure)"
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+ help
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+ Select this option to embed the SPL binary in an eGON.BT0 image,
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+ which is compatible with the non-secure boot ROM (NBROM).
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+
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+ This is usually the correct option to choose.
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+
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+config SUNXI_SPL_IMAGE_TOC0
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+ bool "TOC0 (secure)"
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+ help
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+ Select this option to embed the SPL binary in a TOC0 image,
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+ which is compatible with the secure boot ROM (SBROM).
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+
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+endchoice
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+
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+config SUNXI_SPL_IMAGE_TYPE
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+ string
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+ default "sunxi_egon" if SUNXI_SPL_IMAGE_EGON
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+ default "sunxi_toc0" if SUNXI_SPL_IMAGE_TOC0
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diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl
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index 25a3e7fa52..52ead28487 100644
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--- a/scripts/Makefile.spl
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+++ b/scripts/Makefile.spl
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@@ -414,7 +414,8 @@ endif
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$(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
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$(call if_changed,mkimage)
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-MKIMAGEFLAGS_sunxi-spl.bin = -T sunxi_egon \
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+MKIMAGEFLAGS_sunxi-spl.bin = -T $(CONFIG_SUNXI_SPL_IMAGE_TYPE) \
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+ -a $(CONFIG_SPL_TEXT_BASE) \
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-n $(CONFIG_DEFAULT_DEVICE_TREE)
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OBJCOPYFLAGS_u-boot-spl-dtb.hex := -I binary -O ihex --change-address=$(CONFIG_SPL_TEXT_BASE)
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--
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2.31.1
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