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39 lines
1.5 KiB
Diff
39 lines
1.5 KiB
Diff
From 599f7aa541bb5a658cbfd2af73bd9d2f6e828d43 Mon Sep 17 00:00:00 2001
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From: Chris Packham <judge.packham@gmail.com>
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Date: Mon, 18 Mar 2019 20:51:58 +1300
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Subject: [PATCH] ARM: kirkwood: disable dcache for Kirkwood boards
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Prior to commit 93b283d49f93 ("ARM: CPU: arm926ejs: Consolidate cache
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routines to common file") the kirkwood boards didn't have and dcache
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support. The network and usb drivers rely on this. Set
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CONFIG_SYS_DCACHE_OFF in the Kirkwood specific config.h.
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Reported-by: Leigh Brown <leigh@solinno.co.uk>
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Signed-off-by: Chris Packham <judge.packham@gmail.com>
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Reviewed-by: Stefan Roese <sr@denx.de>
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Signed-off-by: Stefan Roese <sr@denx.de>
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---
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arch/arm/mach-kirkwood/include/mach/config.h | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/arch/arm/mach-kirkwood/include/mach/config.h b/arch/arm/mach-kirkwood/include/mach/config.h
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index fcd903887b..aea60688c2 100644
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--- a/arch/arm/mach-kirkwood/include/mach/config.h
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+++ b/arch/arm/mach-kirkwood/include/mach/config.h
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@@ -26,6 +26,12 @@
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#define CONFIG_KIRKWOOD_EGIGA_INIT /* Enable GbePort0/1 for kernel */
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#define CONFIG_KIRKWOOD_RGMII_PAD_1V8 /* Set RGMII Pad voltage to 1.8V */
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#define CONFIG_KIRKWOOD_PCIE_INIT /* Enable PCIE Port0 for kernel */
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+/*
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+ * Disable the dcache. Currently the network driver (mvgbe.c) and USB
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+ * EHCI driver (ehci-marvell.c) and possibly others rely on the data
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+ * cache being disabled.
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+ */
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+#define CONFIG_SYS_DCACHE_OFF
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/*
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* By default kwbimage.cfg from board specific folder is used
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--
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2.20.1
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