112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
// Copyright 2015-2021 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "esp32-hal.h"
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#if CONFIG_SPIRAM_SUPPORT
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#include "esp_spiram.h"
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#include "soc/efuse_reg.h"
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#include "esp_heap_caps.h"
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static volatile bool spiramDetected = false;
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static volatile bool spiramFailed = false;
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bool psramInit(){
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if (spiramDetected) {
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return true;
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}
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#ifndef CONFIG_SPIRAM_BOOT_INIT
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if (spiramFailed) {
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return false;
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}
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uint32_t chip_ver = REG_GET_FIELD(EFUSE_BLK0_RDATA3_REG, EFUSE_RD_CHIP_VER_PKG);
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uint32_t pkg_ver = chip_ver & 0x7;
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if (pkg_ver == EFUSE_RD_CHIP_VER_PKG_ESP32D2WDQ5 || pkg_ver == EFUSE_RD_CHIP_VER_PKG_ESP32PICOD2) {
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spiramFailed = true;
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log_w("PSRAM not supported!");
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return false;
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}
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esp_spiram_init_cache();
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if (esp_spiram_init() != ESP_OK) {
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spiramFailed = true;
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log_w("PSRAM init failed!");
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pinMatrixOutDetach(16, false, false);
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pinMatrixOutDetach(17, false, false);
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return false;
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}
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if (!esp_spiram_test()) {
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spiramFailed = true;
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log_e("PSRAM test failed!");
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return false;
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}
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if (esp_spiram_add_to_heapalloc() != ESP_OK) {
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spiramFailed = true;
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log_e("PSRAM could not be added to the heap!");
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return false;
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}
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#endif
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spiramDetected = true;
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log_d("PSRAM enabled");
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return true;
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}
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bool IRAM_ATTR psramFound(){
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return spiramDetected;
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}
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void IRAM_ATTR *ps_malloc(size_t size){
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if(!spiramDetected){
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return NULL;
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}
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return heap_caps_malloc(size, MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
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}
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void IRAM_ATTR *ps_calloc(size_t n, size_t size){
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if(!spiramDetected){
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return NULL;
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}
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return heap_caps_calloc(n, size, MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
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}
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void IRAM_ATTR *ps_realloc(void *ptr, size_t size){
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if(!spiramDetected){
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return NULL;
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}
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return heap_caps_realloc(ptr, size, MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
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}
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#else
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bool psramInit(){
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return false;
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}
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bool IRAM_ATTR psramFound(){
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return false;
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}
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void IRAM_ATTR *ps_malloc(size_t size){
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return NULL;
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}
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void IRAM_ATTR *ps_calloc(size_t n, size_t size){
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return NULL;
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}
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void IRAM_ATTR *ps_realloc(void *ptr, size_t size){
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return NULL;
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}
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#endif
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