// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2008 - 2013 Tensilica Inc. * (C) Copyright 2014 - 2016 Cadence Design Systems Inc. */ #include #include #include /* * We currently run always with caches enabled when running from memory. * Xtensa version D or later will support changing cache behavior, so * we could implement it if necessary. */ int dcache_status(void) { return 1; } void dcache_enable(void) { } void dcache_disable(void) { } void flush_cache(ulong start_addr, ulong size) { __flush_invalidate_dcache_range(start_addr, size); __invalidate_icache_range(start_addr, size); } void flush_dcache_all(void) { __flush_dcache_all(); __invalidate_icache_all(); } void flush_dcache_range(ulong start_addr, ulong end_addr) { __flush_invalidate_dcache_range(start_addr, end_addr - start_addr); } void invalidate_dcache_range(ulong start, ulong stop) { __invalidate_dcache_range(start, stop - start); } void invalidate_dcache_all(void) { __invalidate_dcache_all(); } void invalidate_icache_all(void) { __invalidate_icache_all(); }