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