diff options
Diffstat (limited to 'package/boot/uboot-kirkwood/patches/001-ARM-kirkwood-disable-dcache-for-Kirkwood-boards.patch')
-rw-r--r-- | package/boot/uboot-kirkwood/patches/001-ARM-kirkwood-disable-dcache-for-Kirkwood-boards.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/package/boot/uboot-kirkwood/patches/001-ARM-kirkwood-disable-dcache-for-Kirkwood-boards.patch b/package/boot/uboot-kirkwood/patches/001-ARM-kirkwood-disable-dcache-for-Kirkwood-boards.patch new file mode 100644 index 0000000000..731f083a98 --- /dev/null +++ b/package/boot/uboot-kirkwood/patches/001-ARM-kirkwood-disable-dcache-for-Kirkwood-boards.patch @@ -0,0 +1,38 @@ +From 599f7aa541bb5a658cbfd2af73bd9d2f6e828d43 Mon Sep 17 00:00:00 2001 +From: Chris Packham <judge.packham@gmail.com> +Date: Mon, 18 Mar 2019 20:51:58 +1300 +Subject: [PATCH] ARM: kirkwood: disable dcache for Kirkwood boards + +Prior to commit 93b283d49f93 ("ARM: CPU: arm926ejs: Consolidate cache +routines to common file") the kirkwood boards didn't have and dcache +support. The network and usb drivers rely on this. Set +CONFIG_SYS_DCACHE_OFF in the Kirkwood specific config.h. + +Reported-by: Leigh Brown <leigh@solinno.co.uk> +Signed-off-by: Chris Packham <judge.packham@gmail.com> +Reviewed-by: Stefan Roese <sr@denx.de> +Signed-off-by: Stefan Roese <sr@denx.de> +--- + arch/arm/mach-kirkwood/include/mach/config.h | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/arch/arm/mach-kirkwood/include/mach/config.h b/arch/arm/mach-kirkwood/include/mach/config.h +index fcd903887b..aea60688c2 100644 +--- a/arch/arm/mach-kirkwood/include/mach/config.h ++++ b/arch/arm/mach-kirkwood/include/mach/config.h +@@ -26,6 +26,12 @@ + #define CONFIG_KIRKWOOD_EGIGA_INIT /* Enable GbePort0/1 for kernel */ + #define CONFIG_KIRKWOOD_RGMII_PAD_1V8 /* Set RGMII Pad voltage to 1.8V */ + #define CONFIG_KIRKWOOD_PCIE_INIT /* Enable PCIE Port0 for kernel */ ++/* ++ * Disable the dcache. Currently the network driver (mvgbe.c) and USB ++ * EHCI driver (ehci-marvell.c) and possibly others rely on the data ++ * cache being disabled. ++ */ ++#define CONFIG_SYS_DCACHE_OFF + + /* + * By default kwbimage.cfg from board specific folder is used +-- +2.20.1 + |