Define enable_caches function for the qemu-riscv board which probes for the cbom-block-size dt property when RISCV_ISA_ZICBOM is enabled. Also add flush_dcache_range and invalidate_dcache_range functions which use the corresponding CBO ops.
Signed-off-by: Mayuresh Chitale mchitale@ventanamicro.com --- board/emulation/qemu-riscv/qemu-riscv.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/board/emulation/qemu-riscv/qemu-riscv.c b/board/emulation/qemu-riscv/qemu-riscv.c index e5193e31e3..1795d2f831 100644 --- a/board/emulation/qemu-riscv/qemu-riscv.c +++ b/board/emulation/qemu-riscv/qemu-riscv.c @@ -14,6 +14,7 @@ #include <usb.h> #include <virtio_types.h> #include <virtio.h> +#include <asm/cache.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -70,3 +71,18 @@ void *board_fdt_blob_setup(int *err) /* Stored the DTB address there during our init */ return (void *)(ulong)gd->arch.firmware_fdt_addr; } + +void enable_caches(void) +{ + riscv_zicbom_init(); +} + +void flush_dcache_range(unsigned long start, unsigned long end) +{ + cbo_flush(start, end); +} + +void invalidate_dcache_range(unsigned long start, unsigned long end) +{ + cbo_inval(start, end); +}