[PATCH v3 3/5] arm: qemu: implement enable_caches()
André Przywara
andre.przywara at arm.com
Tue Jul 7 14:58:44 CEST 2020
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>
>
More information about the U-Boot
mailing list