| Message ID | 20200707100711.7446-4-ardb@kernel.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Fixes for running U-boot under QEMU/KVM | expand |
On 07.07.20 12:07, Ard Biesheuvel wrote: > Add an override for enable_caches to enable the I and D caches, along > with the cached 1:1 mapping of all of DRAM. This is needed for running > U-Boot under virtualization with QEMU/kvm. > > Signed-off-by: Ard Biesheuvel <ardb at kernel.org> Reviewed-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
On 07/07/2020 11:07, Ard Biesheuvel wrote: > Add an override for enable_caches to enable the I and D caches, along > with the cached 1:1 mapping of all of DRAM. This is needed for running > U-Boot under virtualization with QEMU/kvm. > > Signed-off-by: Ard Biesheuvel <ardb at kernel.org> > --- > board/emulation/qemu-arm/qemu-arm.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/board/emulation/qemu-arm/qemu-arm.c b/board/emulation/qemu-arm/qemu-arm.c > index 69e8ef46f1f5..1b0d543b93c1 100644 > --- a/board/emulation/qemu-arm/qemu-arm.c > +++ b/board/emulation/qemu-arm/qemu-arm.c > @@ -4,6 +4,7 @@ > */ > > #include <common.h> > +#include <cpu_func.h> > #include <dm.h> > #include <fdtdec.h> > #include <init.h> > @@ -94,6 +95,12 @@ void *board_fdt_blob_setup(void) > return (void *)CONFIG_SYS_SDRAM_BASE; > } > > +void enable_caches(void) > +{ > + icache_enable(); > + dcache_enable(); It looks like there is a stray space after the tab, but regardless: Reviewed-by: Andre Przywara <andre.przywara at arm.com> Cheers, Andre > +} > + > #if defined(CONFIG_EFI_RNG_PROTOCOL) > #include <efi_loader.h> > #include <efi_rng.h> >
On Tue, Jul 07, 2020 at 12:07:09PM +0200, Ard Biesheuvel wrote: > Add an override for enable_caches to enable the I and D caches, along > with the cached 1:1 mapping of all of DRAM. This is needed for running > U-Boot under virtualization with QEMU/kvm. > > Signed-off-by: Ard Biesheuvel <ardb@kernel.org> > Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de> > Reviewed-by: Andre Przywara <andre.przywara@arm.com> Applied to u-boot/master, thanks! -- Tom
diff --git a/board/emulation/qemu-arm/qemu-arm.c b/board/emulation/qemu-arm/qemu-arm.c index 69e8ef46f1f5..1b0d543b93c1 100644 --- a/board/emulation/qemu-arm/qemu-arm.c +++ b/board/emulation/qemu-arm/qemu-arm.c @@ -4,6 +4,7 @@ */ #include <common.h> +#include <cpu_func.h> #include <dm.h> #include <fdtdec.h> #include <init.h> @@ -94,6 +95,12 @@ void *board_fdt_blob_setup(void) return (void *)CONFIG_SYS_SDRAM_BASE; } +void enable_caches(void) +{ + icache_enable(); + dcache_enable(); +} + #if defined(CONFIG_EFI_RNG_PROTOCOL) #include <efi_loader.h> #include <efi_rng.h>
Add an override for enable_caches to enable the I and D caches, along with the cached 1:1 mapping of all of DRAM. This is needed for running U-Boot under virtualization with QEMU/kvm. Signed-off-by: Ard Biesheuvel <ardb at kernel.org> --- board/emulation/qemu-arm/qemu-arm.c | 7 +++++++ 1 file changed, 7 insertions(+)