| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Support for Intel Camera Imaging ISP subsystem. |
| * Copyright (c) 2015, Intel Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| */ |
| |
| #include "ia_css_mmu.h" |
| #include "ia_css_mmu_private.h" |
| #include <ia_css_debug.h> |
| #include "sh_css_sp.h" |
| #include "sh_css_firmware.h" |
| #include "sp.h" |
| #include "mmu_device.h" |
| |
| void |
| ia_css_mmu_invalidate_cache(void) |
| { |
| const struct ia_css_fw_info *fw = &sh_css_sp_fw; |
| unsigned int HIVE_ADDR_ia_css_dmaproxy_sp_invalidate_tlb; |
| |
| ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, |
| "ia_css_mmu_invalidate_cache() enter\n"); |
| |
| /* if the SP is not running we should not access its dmem */ |
| if (sh_css_sp_is_running()) { |
| HIVE_ADDR_ia_css_dmaproxy_sp_invalidate_tlb = fw->info.sp.invalidate_tlb; |
| |
| (void)HIVE_ADDR_ia_css_dmaproxy_sp_invalidate_tlb; /* Suppres warnings in CRUN */ |
| |
| sp_dmem_store_uint32(SP0_ID, |
| (unsigned int)sp_address_of(ia_css_dmaproxy_sp_invalidate_tlb), |
| true); |
| } |
| ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, |
| "ia_css_mmu_invalidate_cache() leave\n"); |
| } |
| |
| void |
| sh_css_mmu_set_page_table_base_index(hrt_data base_index) |
| { |
| int i; |
| |
| IA_CSS_ENTER_PRIVATE("base_index=0x%08x\n", base_index); |
| for (i = 0; i < N_MMU_ID; i++) { |
| mmu_ID_t mmu_id = i; |
| |
| mmu_set_page_table_base_index(mmu_id, base_index); |
| mmu_invalidate_cache(mmu_id); |
| } |
| IA_CSS_LEAVE_PRIVATE(""); |
| } |