43 lines
1.4 KiB
Diff
43 lines
1.4 KiB
Diff
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From patchwork Wed May 4 21:15:31 2016
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: [U-Boot,3/6] arm64: sunxi: reserve space for boot0 header
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From: Andre Przywara <andre.przywara@arm.com>
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X-Patchwork-Id: 618678
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Message-Id: <1462396534-32390-4-git-send-email-andre.przywara@arm.com>
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To: Hans de Goede <hdegoede@redhat.com>,
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Ian Campbell <ijc@hellion.org.uk>
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Cc: Andre Przywara <andre.przywara@arm.com>, u-boot@lists.denx.de
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Date: Wed, 4 May 2016 22:15:31 +0100
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The Allwinner provided boot0 boot loader requires a header before the
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U-Boot binary to both check its validity and to find other blobs to
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load. There is a tool called boot0img which fills the header
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appropriately.
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Reserve some space at the beginning of the binary to later hold the
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header if needed.
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Please note that the header is jumped over already by U-Boot anyway,
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so filling the header is optional and can be skipped if for instance
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boot0 is not used.
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Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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---
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arch/arm/cpu/armv8/start.S | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S
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index deb44a8..b4c4867 100644
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--- a/arch/arm/cpu/armv8/start.S
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+++ b/arch/arm/cpu/armv8/start.S
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@@ -21,6 +21,9 @@
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_start:
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b reset
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+#ifdef CONFIG_ARCH_SUNXI
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+ .space 0x5fc /* can be filled with a boot0 header if needed */
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+#endif
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.align 3
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.globl _TEXT_BASE
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