diff options
Diffstat (limited to 'plat/marvell/a8k/common/aarch64/plat_arch_config.c')
-rw-r--r-- | plat/marvell/a8k/common/aarch64/plat_arch_config.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/plat/marvell/a8k/common/aarch64/plat_arch_config.c b/plat/marvell/a8k/common/aarch64/plat_arch_config.c new file mode 100644 index 00000000..f3840a0a --- /dev/null +++ b/plat/marvell/a8k/common/aarch64/plat_arch_config.c @@ -0,0 +1,73 @@ +/* + * *************************************************************************** + * Copyright (C) 2016 Marvell International Ltd. + * *************************************************************************** + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * Neither the name of Marvell nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + *************************************************************************** + */ + +#include <platform.h> +#include <arch_helpers.h> +#include <mmio.h> +#include <debug.h> +#include <cache_llc.h> + + +#define CCU_HTC_ASET (MVEBU_CCU_BASE + 0x264) +#define MVEBU_IO_AFFINITY (0xF00) + + +void plat_enable_affinity(void) +{ + int cluster_id; + int affinity; + + /* set CPU Affinity */ + cluster_id = plat_my_core_pos() / PLAT_MARVELL_CLUSTER_CORE_COUNT; + affinity = (MVEBU_IO_AFFINITY | (1 << cluster_id)); + mmio_write_32(CCU_HTC_ASET, affinity); + + /* set barier */ + __asm__ volatile("isb"); +} + +void psci_arch_init(void) +{ +#if !LLC_DISABLE + /* check if LLC is in exclusive mode + * as L2 is configured to UniqueClean eviction + * (in a8k reset handler) + */ + if (llc_is_exclusive() == 0) + ERROR("LLC should be configured to exclusice mode\n"); +#endif + + /* Enable Affinity */ + plat_enable_affinity(); +} |