/* * * Common functions for OMAP4/5 based boards * * (C) Copyright 2010 * Texas Instruments, * * Author : * Aneesh V * Steve Sakoman * * SPDX-License-Identifier: GPL-2.0+ */ #include #include DECLARE_GLOBAL_DATA_PTR; #define ARMV7_DCACHE_WRITEBACK 0xe #define ARMV7_DOMAIN_CLIENT 1 #define ARMV7_DOMAIN_MASK (0x3 << 0) void enable_caches(void) { /* Enable D-cache. I-cache is already enabled in start.S */ dcache_enable(); } void dram_bank_mmu_setup(int bank) { bd_t *bd = gd->bd; int i; u32 start = bd->bi_dram[bank].start >> 20; u32 size = bd->bi_dram[bank].size >> 20; u32 end = start + size; debug("%s: bank: %d\n", __func__, bank); for (i = start; i < end; i++) set_section_dcache(i, ARMV7_DCACHE_WRITEBACK); } void arm_init_domains(void) { u32 reg; reg = get_dacr(); /* * Set DOMAIN to client access so that all permissions * set in pagetables are validated by the mmu. */ reg &= ~ARMV7_DOMAIN_MASK; reg |= ARMV7_DOMAIN_CLIENT; set_dacr(reg); }