From 599f7aa541bb5a658cbfd2af73bd9d2f6e828d43 Mon Sep 17 00:00:00 2001 From: Chris Packham 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 Signed-off-by: Chris Packham Reviewed-by: Stefan Roese Signed-off-by: Stefan Roese --- 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