60 lines
2.4 KiB
Diff
60 lines
2.4 KiB
Diff
From patchwork Wed May 4 21:15:32 2016
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Subject: [U-Boot,4/6] arm64: sunxi: adjust default load addresses
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From: Andre Przywara <andre.przywara@arm.com>
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X-Patchwork-Id: 618679
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Message-Id: <1462396534-32390-5-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 22:15:32 +0100
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As arm64 has slightly different expectations about load addresses, lets
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use a different set of default addresses for things like the kernel.
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As arm64 kernels don't come with a decompressor right now, reserve some
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more space for really big uncompressed kernels.
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Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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---
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include/configs/sunxi-common.h | 18 ++++++++++++++++++
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1 file changed, 18 insertions(+)
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diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
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index 2406115..16f1a2c 100644
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--- a/include/configs/sunxi-common.h
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+++ b/include/configs/sunxi-common.h
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@@ -390,6 +390,23 @@ extern int soft_i2c_gpio_scl;
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#define CONFIG_PRE_CONSOLE_BUFFER
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#define CONFIG_PRE_CON_BUF_SZ 4096 /* Aprox 2 80*25 screens */
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+#ifdef CONFIG_ARM64
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+/*
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+ * Boards seem to come with at least 512MB of DRAM.
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+ * The kernel should go at 512K, which is the default text offset (that will
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+ * be adjusted at runtime if needed).
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+ * There is no compression for arm64 kernels (yet), so leave some space
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+ * for really big kernels, say 256MB for now.
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+ * Scripts, PXE and DTBs should go afterwards, leaving the rest for the initrd.
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+ * Align the initrd to a 2MB page.
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+ */
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+#define KERNEL_ADDR_R __stringify(SDRAM_OFFSET(0080000))
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+#define FDT_ADDR_R __stringify(SDRAM_OFFSET(FA00000))
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+#define SCRIPT_ADDR_R __stringify(SDRAM_OFFSET(FC00000))
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+#define PXEFILE_ADDR_R __stringify(SDRAM_OFFSET(FD00000))
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+#define RAMDISK_ADDR_R __stringify(SDRAM_OFFSET(FE00000))
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+
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+#else
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/*
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* 160M RAM (256M minimum minus 64MB heap + 32MB for u-boot, stack, fb, etc.
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* 32M uncompressed kernel, 16M compressed kernel, 1M fdt,
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@@ -401,6 +418,7 @@ extern int soft_i2c_gpio_scl;
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#define SCRIPT_ADDR_R __stringify(SDRAM_OFFSET(3100000))
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#define PXEFILE_ADDR_R __stringify(SDRAM_OFFSET(3200000))
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#define RAMDISK_ADDR_R __stringify(SDRAM_OFFSET(3300000))
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+#endif
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#define MEM_LAYOUT_ENV_SETTINGS \
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"bootm_size=0xa000000\0" \
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