1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Support for Intel Camera Imaging ISP subsystem. 4 * Copyright (c) 2015, Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 */ 15 16 #include "ia_css_mmu.h" 17 #include "ia_css_mmu_private.h" 18 #include <ia_css_debug.h> 19 #include "sh_css_sp.h" 20 #include "sh_css_firmware.h" 21 #include "sp.h" 22 #include "mmu_device.h" 23 24 void 25 ia_css_mmu_invalidate_cache(void) 26 { 27 const struct ia_css_fw_info *fw = &sh_css_sp_fw; 28 unsigned int HIVE_ADDR_ia_css_dmaproxy_sp_invalidate_tlb; 29 30 ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, 31 "ia_css_mmu_invalidate_cache() enter\n"); 32 33 /* if the SP is not running we should not access its dmem */ 34 if (sh_css_sp_is_running()) { 35 HIVE_ADDR_ia_css_dmaproxy_sp_invalidate_tlb = fw->info.sp.invalidate_tlb; 36 37 (void)HIVE_ADDR_ia_css_dmaproxy_sp_invalidate_tlb; /* Suppres warnings in CRUN */ 38 39 sp_dmem_store_uint32(SP0_ID, 40 (unsigned int)sp_address_of(ia_css_dmaproxy_sp_invalidate_tlb), 41 true); 42 } 43 ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, 44 "ia_css_mmu_invalidate_cache() leave\n"); 45 } 46 47 void 48 sh_css_mmu_set_page_table_base_index(hrt_data base_index) 49 { 50 int i; 51 52 IA_CSS_ENTER_PRIVATE("base_index=0x%08x\n", base_index); 53 for (i = 0; i < N_MMU_ID; i++) { 54 mmu_ID_t mmu_id = i; 55 56 mmu_set_page_table_base_index(mmu_id, base_index); 57 mmu_invalidate_cache(mmu_id); 58 } 59 IA_CSS_LEAVE_PRIVATE(""); 60 } 61