/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include #include #include #include #include #include static void enable_cache(void) { mmu_init(); /* Whole space is uncached. */ mmu_config_range(0, 4096, DCACHE_OFF); /* SRAM is cached. MMU code will round size up to page size. */ mmu_config_range((uintptr_t)_sram/MiB, DIV_ROUND_UP(REGION_SIZE(sram), MiB), DCACHE_WRITEBACK); mmu_disable_range(0, 1); dcache_mmu_enable(); } void verstage_mainboard_init(void) { /* Do the minimum to run vboot at full speed */ configure_l2_cache(); enable_cache(); early_mainboard_init(); } void stage_entry(uintptr_t unused) { asm volatile ("bl arm_init_caches" : : : "r0", "r1", "r2", "r3", "r4", "r5", "ip"); main(); }