esp-idf/components/spi_flash/cache_utils.c
wanglei 653d8b5bdd update cache and spiram related files and bug fixes
1. remove speed dependency of SPIRAM
2. support wrap mode of cache, flash and SPIRAM
3. fix some bugs on cache modes support
2019-09-05 14:14:49 +08:00

609 lines
22 KiB
C

// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <stdio.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <freertos/semphr.h>
#if CONFIG_IDF_TARGET_ESP32
#include <esp32/rom/spi_flash.h>
#include <esp32/rom/cache.h>
#elif CONFIG_IDF_TARGET_ESP32S2BETA
#include "esp32s2beta/rom/spi_flash.h"
#include "esp32s2beta/rom/cache.h"
#endif
#include <soc/soc.h>
#include <soc/dport_reg.h>
#include "sdkconfig.h"
#include "esp_ipc.h"
#include "esp_attr.h"
#include "esp_intr_alloc.h"
#include "esp_spi_flash.h"
#include "esp_log.h"
static __attribute__((unused)) const char* TAG = "spiflash";
static void IRAM_ATTR spi_flash_disable_cache(uint32_t cpuid, uint32_t* saved_state);
static void IRAM_ATTR spi_flash_restore_cache(uint32_t cpuid, uint32_t saved_state);
static uint32_t s_flash_op_cache_state[2];
#ifndef CONFIG_FREERTOS_UNICORE
static SemaphoreHandle_t s_flash_op_mutex;
static volatile bool s_flash_op_can_start = false;
static volatile bool s_flash_op_complete = false;
#ifndef NDEBUG
static volatile int s_flash_op_cpu = -1;
#endif
void spi_flash_init_lock(void)
{
s_flash_op_mutex = xSemaphoreCreateRecursiveMutex();
assert(s_flash_op_mutex != NULL);
}
void spi_flash_op_lock(void)
{
xSemaphoreTakeRecursive(s_flash_op_mutex, portMAX_DELAY);
}
void spi_flash_op_unlock(void)
{
xSemaphoreGiveRecursive(s_flash_op_mutex);
}
/*
If you're going to modify this, keep in mind that while the flash caches of the pro and app
cpu are separate, the psram cache is *not*. If one of the CPUs returns from a flash routine
with its cache enabled but the other CPUs cache is not enabled yet, you will have problems
when accessing psram from the former CPU.
*/
void IRAM_ATTR spi_flash_op_block_func(void* arg)
{
// Disable scheduler on this CPU
vTaskSuspendAll();
// Restore interrupts that aren't located in IRAM
esp_intr_noniram_disable();
uint32_t cpuid = (uint32_t) arg;
// s_flash_op_complete flag is cleared on *this* CPU, otherwise the other
// CPU may reset the flag back to false before IPC task has a chance to check it
// (if it is preempted by an ISR taking non-trivial amount of time)
s_flash_op_complete = false;
s_flash_op_can_start = true;
while (!s_flash_op_complete) {
// busy loop here and wait for the other CPU to finish flash operation
}
// Flash operation is complete, re-enable cache
spi_flash_restore_cache(cpuid, s_flash_op_cache_state[cpuid]);
// Restore interrupts that aren't located in IRAM
esp_intr_noniram_enable();
// Re-enable scheduler
xTaskResumeAll();
}
void IRAM_ATTR spi_flash_disable_interrupts_caches_and_other_cpu(void)
{
spi_flash_op_lock();
const uint32_t cpuid = xPortGetCoreID();
const uint32_t other_cpuid = (cpuid == 0) ? 1 : 0;
#ifndef NDEBUG
// For sanity check later: record the CPU which has started doing flash operation
assert(s_flash_op_cpu == -1);
s_flash_op_cpu = cpuid;
#endif
if (xTaskGetSchedulerState() == taskSCHEDULER_NOT_STARTED) {
// Scheduler hasn't been started yet, it means that spi_flash API is being
// called from the 2nd stage bootloader or from user_start_cpu0, i.e. from
// PRO CPU. APP CPU is either in reset or spinning inside user_start_cpu1,
// which is in IRAM. So it is safe to disable cache for the other_cpuid here.
assert(other_cpuid == 1);
spi_flash_disable_cache(other_cpuid, &s_flash_op_cache_state[other_cpuid]);
} else {
// Temporarily raise current task priority to prevent a deadlock while
// waiting for IPC task to start on the other CPU
int old_prio = uxTaskPriorityGet(NULL);
vTaskPrioritySet(NULL, configMAX_PRIORITIES - 1);
// Signal to the spi_flash_op_block_task on the other CPU that we need it to
// disable cache there and block other tasks from executing.
s_flash_op_can_start = false;
esp_err_t ret = esp_ipc_call(other_cpuid, &spi_flash_op_block_func, (void*) other_cpuid);
assert(ret == ESP_OK);
while (!s_flash_op_can_start) {
// Busy loop and wait for spi_flash_op_block_func to disable cache
// on the other CPU
}
// Disable scheduler on the current CPU
vTaskSuspendAll();
// Can now set the priority back to the normal one
vTaskPrioritySet(NULL, old_prio);
// This is guaranteed to run on CPU <cpuid> because the other CPU is now
// occupied by highest priority task
assert(xPortGetCoreID() == cpuid);
}
// Kill interrupts that aren't located in IRAM
esp_intr_noniram_disable();
// This CPU executes this routine, with non-IRAM interrupts and the scheduler
// disabled. The other CPU is spinning in the spi_flash_op_block_func task, also
// with non-iram interrupts and the scheduler disabled. None of these CPUs will
// touch external RAM or flash this way, so we can safely disable caches.
spi_flash_disable_cache(cpuid, &s_flash_op_cache_state[cpuid]);
spi_flash_disable_cache(other_cpuid, &s_flash_op_cache_state[other_cpuid]);
}
void IRAM_ATTR spi_flash_enable_interrupts_caches_and_other_cpu(void)
{
const uint32_t cpuid = xPortGetCoreID();
const uint32_t other_cpuid = (cpuid == 0) ? 1 : 0;
#ifndef NDEBUG
// Sanity check: flash operation ends on the same CPU as it has started
assert(cpuid == s_flash_op_cpu);
// More sanity check: if scheduler isn't started, only CPU0 can call this.
assert(!(xTaskGetSchedulerState() == taskSCHEDULER_NOT_STARTED && cpuid != 0));
s_flash_op_cpu = -1;
#endif
// Re-enable cache on both CPUs. After this, cache (flash and external RAM) should work again.
spi_flash_restore_cache(cpuid, s_flash_op_cache_state[cpuid]);
spi_flash_restore_cache(other_cpuid, s_flash_op_cache_state[other_cpuid]);
if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED) {
// Signal to spi_flash_op_block_task that flash operation is complete
s_flash_op_complete = true;
}
// Re-enable non-iram interrupts
esp_intr_noniram_enable();
// Resume tasks on the current CPU, if the scheduler has started.
// NOTE: enabling non-IRAM interrupts has to happen before this,
// because once the scheduler has started, due to preemption the
// current task can end up being moved to the other CPU.
// But esp_intr_noniram_enable has to be called on the same CPU which
// called esp_intr_noniram_disable
if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED) {
xTaskResumeAll();
}
// Release API lock
spi_flash_op_unlock();
}
void IRAM_ATTR spi_flash_disable_interrupts_caches_and_other_cpu_no_os(void)
{
const uint32_t cpuid = xPortGetCoreID();
const uint32_t other_cpuid = (cpuid == 0) ? 1 : 0;
// do not care about other CPU, it was halted upon entering panic handler
spi_flash_disable_cache(other_cpuid, &s_flash_op_cache_state[other_cpuid]);
// Kill interrupts that aren't located in IRAM
esp_intr_noniram_disable();
// Disable cache on this CPU as well
spi_flash_disable_cache(cpuid, &s_flash_op_cache_state[cpuid]);
}
void IRAM_ATTR spi_flash_enable_interrupts_caches_no_os(void)
{
const uint32_t cpuid = xPortGetCoreID();
// Re-enable cache on this CPU
spi_flash_restore_cache(cpuid, s_flash_op_cache_state[cpuid]);
// Re-enable non-iram interrupts
esp_intr_noniram_enable();
}
#else // CONFIG_FREERTOS_UNICORE
void spi_flash_init_lock(void)
{
}
void spi_flash_op_lock(void)
{
vTaskSuspendAll();
}
void spi_flash_op_unlock(void)
{
xTaskResumeAll();
}
void IRAM_ATTR spi_flash_disable_interrupts_caches_and_other_cpu(void)
{
spi_flash_op_lock();
esp_intr_noniram_disable();
spi_flash_disable_cache(0, &s_flash_op_cache_state[0]);
}
void IRAM_ATTR spi_flash_enable_interrupts_caches_and_other_cpu(void)
{
spi_flash_restore_cache(0, s_flash_op_cache_state[0]);
esp_intr_noniram_enable();
spi_flash_op_unlock();
}
void IRAM_ATTR spi_flash_disable_interrupts_caches_and_other_cpu_no_os(void)
{
// Kill interrupts that aren't located in IRAM
esp_intr_noniram_disable();
// Disable cache on this CPU as well
spi_flash_disable_cache(0, &s_flash_op_cache_state[0]);
}
void IRAM_ATTR spi_flash_enable_interrupts_caches_no_os(void)
{
// Re-enable cache on this CPU
spi_flash_restore_cache(0, s_flash_op_cache_state[0]);
// Re-enable non-iram interrupts
esp_intr_noniram_enable();
}
#endif // CONFIG_FREERTOS_UNICORE
/**
* The following two functions are replacements for Cache_Read_Disable and Cache_Read_Enable
* function in ROM. They are used to work around a bug where Cache_Read_Disable requires a call to
* Cache_Flush before Cache_Read_Enable, even if cached data was not modified.
*/
#if CONFIG_IDF_TARGET_ESP32
static const uint32_t cache_mask = DPORT_APP_CACHE_MASK_OPSDRAM | DPORT_APP_CACHE_MASK_DROM0 |
DPORT_APP_CACHE_MASK_DRAM1 | DPORT_APP_CACHE_MASK_IROM0 |
DPORT_APP_CACHE_MASK_IRAM1 | DPORT_APP_CACHE_MASK_IRAM0;
#elif CONFIG_IDF_TARGET_ESP32S2BETA
// static const uint32_t icache_mask = DPORT_PRO_ICACHE_MASK_DROM0 |DPORT_PRO_ICACHE_MASK_IROM0 |
// DPORT_PRO_ICACHE_MASK_IRAM1 | DPORT_PRO_ICACHE_MASK_IRAM0;
// static const uint32_t dcache_mask = DPORT_PRO_DCACHE_MASK_DRAM1 | DPORT_PRO_DCACHE_MASK_DRAM0 |
// DPORT_PRO_DCACHE_MASK_DPORT | DPORT_PRO_DCACHE_MASK_DROM0;
#endif
static void IRAM_ATTR spi_flash_disable_cache(uint32_t cpuid, uint32_t* saved_state)
{
#if CONFIG_IDF_TARGET_ESP32
uint32_t ret = 0;
if (cpuid == 0) {
ret |= DPORT_GET_PERI_REG_BITS2(DPORT_PRO_CACHE_CTRL1_REG, cache_mask, 0);
while (DPORT_GET_PERI_REG_BITS2(DPORT_PRO_DCACHE_DBUG0_REG, DPORT_PRO_CACHE_STATE, DPORT_PRO_CACHE_STATE_S) != 1) {
;
}
DPORT_SET_PERI_REG_BITS(DPORT_PRO_CACHE_CTRL_REG, 1, 0, DPORT_PRO_CACHE_ENABLE_S);
}
#if !CONFIG_FREERTOS_UNICORE
else {
ret |= DPORT_GET_PERI_REG_BITS2(DPORT_APP_CACHE_CTRL1_REG, cache_mask, 0);
while (DPORT_GET_PERI_REG_BITS2(DPORT_APP_DCACHE_DBUG0_REG, DPORT_APP_CACHE_STATE, DPORT_APP_CACHE_STATE_S) != 1) {
;
}
DPORT_SET_PERI_REG_BITS(DPORT_APP_CACHE_CTRL_REG, 1, 0, DPORT_APP_CACHE_ENABLE_S);
}
#endif
*saved_state = ret;
#elif CONFIG_IDF_TARGET_ESP32S2BETA
*saved_state = Cache_Suspend_ICache();
if (!Cache_Drom0_Using_ICache()) {
*(saved_state + 1) = Cache_Suspend_DCache();
}
#endif
}
static void IRAM_ATTR spi_flash_restore_cache(uint32_t cpuid, uint32_t saved_state)
{
#if CONFIG_IDF_TARGET_ESP32
if (cpuid == 0) {
DPORT_SET_PERI_REG_BITS(DPORT_PRO_CACHE_CTRL_REG, 1, 1, DPORT_PRO_CACHE_ENABLE_S);
DPORT_SET_PERI_REG_BITS(DPORT_PRO_CACHE_CTRL1_REG, cache_mask, saved_state, 0);
}
#if !CONFIG_FREERTOS_UNICORE
else {
DPORT_SET_PERI_REG_BITS(DPORT_APP_CACHE_CTRL_REG, 1, 1, DPORT_APP_CACHE_ENABLE_S);
DPORT_SET_PERI_REG_BITS(DPORT_APP_CACHE_CTRL1_REG, cache_mask, saved_state, 0);
}
#endif
#elif CONFIG_IDF_TARGET_ESP32S2BETA
Cache_Resume_ICache(saved_state);
if (!Cache_Drom0_Using_ICache()) {
Cache_Resume_DCache(s_flash_op_cache_state[1]);
}
#endif
}
IRAM_ATTR bool spi_flash_cache_enabled(void)
{
#if CONFIG_IDF_TARGET_ESP32
bool result = (DPORT_REG_GET_BIT(DPORT_PRO_CACHE_CTRL_REG, DPORT_PRO_CACHE_ENABLE) != 0);
#elif CONFIG_IDF_TARGET_ESP32S2BETA
bool result = (DPORT_REG_GET_BIT(DPORT_PRO_ICACHE_CTRL_REG, DPORT_PRO_ICACHE_ENABLE) != 0);
if (!Cache_Drom0_Using_ICache()) {
result = result && (DPORT_REG_GET_BIT(DPORT_PRO_DCACHE_CTRL_REG, DPORT_PRO_DCACHE_ENABLE) != 0);
}
#endif
#if portNUM_PROCESSORS == 2
result = result && (DPORT_REG_GET_BIT(DPORT_APP_CACHE_CTRL_REG, DPORT_APP_CACHE_ENABLE) != 0);
#endif
return result;
}
#if CONFIG_IDF_TARGET_ESP32S2BETA
IRAM_ATTR void esp_config_instruction_cache_mode(void)
{
cache_size_t cache_size;
cache_ways_t cache_ways;
cache_line_size_t cache_line_size;
#if CONFIG_ESP32S2_INSTRUCTION_CACHE_8KB
Cache_Allocate_SRAM(CACHE_MEMORY_ICACHE_LOW, CACHE_MEMORY_INVALID, CACHE_MEMORY_INVALID, CACHE_MEMORY_INVALID);
cache_size = CACHE_SIZE_8KB;
#else
Cache_Allocate_SRAM(CACHE_MEMORY_ICACHE_LOW, CACHE_MEMORY_ICACHE_HIGH, CACHE_MEMORY_INVALID, CACHE_MEMORY_INVALID);
cache_size = CACHE_SIZE_16KB;
#endif
#if CONFIG_ESP32S2_INSTRUCTION_CACHE_4WAYS
cache_ways = CACHE_4WAYS_ASSOC;
#else
cache_ways = CACHE_8WAYS_ASSOC;
#endif
#if CONFIG_ESP32S2_INSTRUCTION_CACHE_LINE_16B
cache_line_size = CACHE_LINE_SIZE_16B;
#elif CONFIG_ESP32S2_INSTRUCTION_CACHE_LINE_32B
cache_line_size = CACHE_LINE_SIZE_32B;
#else
cache_line_size = CACHE_LINE_SIZE_64B;
#endif
ESP_EARLY_LOGI(TAG, "Instruction cache \t: size %dKB, %dWays, cache line size %dByte", cache_size == CACHE_SIZE_8KB ? 8 : 16,cache_ways == CACHE_4WAYS_ASSOC ? 4: 8, cache_line_size == CACHE_LINE_SIZE_16B ? 16 : (cache_line_size == CACHE_LINE_SIZE_32B ? 32 : 64));
Cache_Suspend_ICache();
Cache_Set_ICache_Mode(cache_size, cache_ways, cache_line_size);
Cache_Invalidate_ICache_All();
Cache_Resume_ICache(0);
}
IRAM_ATTR void esp_config_data_cache_mode(void)
{
cache_size_t cache_size;
cache_ways_t cache_ways;
cache_line_size_t cache_line_size;
#if CONFIG_ESP32S2_INSTRUCTION_CACHE_8KB
#if CONFIG_ESP32S2_DATA_CACHE_8KB
Cache_Allocate_SRAM(CACHE_MEMORY_ICACHE_LOW, CACHE_MEMORY_DCACHE_LOW, CACHE_MEMORY_INVALID, CACHE_MEMORY_INVALID);
cache_size = CACHE_SIZE_8KB;
#else
Cache_Allocate_SRAM(CACHE_MEMORY_ICACHE_LOW, CACHE_MEMORY_DCACHE_LOW, CACHE_MEMORY_DCACHE_HIGH, CACHE_MEMORY_INVALID);
cache_size = CACHE_SIZE_16KB;
#endif
#else
#if CONFIG_ESP32S2_DATA_CACHE_8KB
Cache_Allocate_SRAM(CACHE_MEMORY_ICACHE_LOW, CACHE_MEMORY_ICACHE_HIGH, CACHE_MEMORY_DCACHE_LOW, CACHE_MEMORY_INVALID);
cache_size = CACHE_SIZE_8KB;
#else
Cache_Allocate_SRAM(CACHE_MEMORY_ICACHE_LOW, CACHE_MEMORY_ICACHE_HIGH, CACHE_MEMORY_DCACHE_LOW, CACHE_MEMORY_DCACHE_HIGH);
cache_size = CACHE_SIZE_16KB;
#endif
#endif
#if CONFIG_ESP32S2_DATA_CACHE_4WAYS
cache_ways = CACHE_4WAYS_ASSOC;
#else
cache_ways = CACHE_8WAYS_ASSOC;
#endif
#if CONFIG_ESP32S2_DATA_CACHE_LINE_16B
cache_line_size = CACHE_LINE_SIZE_16B;
#elif CONFIG_ESP32S2_DATA_CACHE_LINE_32B
cache_line_size = CACHE_LINE_SIZE_32B;
#else
cache_line_size = CACHE_LINE_SIZE_64B;
#endif
ESP_EARLY_LOGI(TAG, "Data cache \t\t: size %dKB, %dWays, cache line size %dByte", cache_size == CACHE_SIZE_8KB ? 8 : 16, cache_ways == CACHE_4WAYS_ASSOC ? 4: 8, cache_line_size == CACHE_LINE_SIZE_16B ? 16 : (cache_line_size == CACHE_LINE_SIZE_32B ? 32 : 64));
Cache_Set_DCache_Mode(cache_size, cache_ways, cache_line_size);
Cache_Invalidate_DCache_All();
}
void esp_switch_rodata_to_dcache(void)
{
REG_CLR_BIT(DPORT_PRO_DCACHE_CTRL1_REG, DPORT_PRO_DCACHE_MASK_DROM0);
Cache_Drom0_Source_DCache();
MMU_Drom_ICache_Unmap();
REG_SET_BIT(DPORT_PRO_ICACHE_CTRL1_REG, DPORT_PRO_ICACHE_MASK_DROM0);
ESP_EARLY_LOGI(TAG, "Switch rodata load path to data cache.");
}
static IRAM_ATTR void esp_enable_cache_flash_wrap(bool icache, bool dcache)
{
uint32_t i_autoload, d_autoload;
if (icache) {
i_autoload = Cache_Suspend_ICache();
}
if (dcache) {
d_autoload = Cache_Suspend_DCache();
}
REG_SET_BIT(DPORT_PRO_CACHE_WRAP_AROUND_CTRL_REG, DPORT_PRO_CACHE_FLASH_WRAP_AROUND);
if (icache) {
Cache_Resume_ICache(i_autoload);
}
if (dcache) {
Cache_Resume_DCache(d_autoload);
}
}
#if CONFIG_ESP32S2_SPIRAM_SUPPORT
static IRAM_ATTR void esp_enable_cache_spiram_wrap(bool icache, bool dcache)
{
uint32_t i_autoload, d_autoload;
if (icache) {
i_autoload = Cache_Suspend_ICache();
}
if (dcache) {
d_autoload = Cache_Suspend_DCache();
}
REG_SET_BIT(DPORT_PRO_CACHE_WRAP_AROUND_CTRL_REG, DPORT_PRO_CACHE_SRAM_RD_WRAP_AROUND);
if (icache) {
Cache_Resume_ICache(i_autoload);
}
if (dcache) {
Cache_Resume_DCache(d_autoload);
}
}
#endif
esp_err_t esp_enable_cache_wrap(bool icache_wrap_enable, bool dcache_wrap_enable)
{
int icache_wrap_size = 0, dcache_wrap_size = 0;
int flash_wrap_sizes[2]={-1, -1}, spiram_wrap_sizes[2]={-1, -1};
int flash_wrap_size = 0, spiram_wrap_size = 0;
int flash_count = 0, spiram_count = 0;
int i;
bool flash_spiram_wrap_together, flash_support_wrap = true, spiram_support_wrap = true;
if (icache_wrap_enable) {
#if CONFIG_ESP32S2_INSTRUCTION_CACHE_LINE_16B
icache_wrap_size = 16;
#elif CONFIG_ESP32S2_INSTRUCTION_CACHE_LINE_32B
icache_wrap_size = 32;
#else
icache_wrap_size = 64;
#endif
}
if (dcache_wrap_enable) {
#if CONFIG_ESP32S2_DATA_CACHE_LINE_16B
dcache_wrap_size = 16;
#elif CONFIG_ESP32S2_DATA_CACHE_LINE_32B
dcache_wrap_size = 32;
#else
dcache_wrap_size = 64;
#endif
}
uint32_t instruction_use_spiram = 0;
uint32_t rodata_use_spiram = 0;
#if CONFIG_SPIRAM_FETCH_INSTRUCTIONS
extern uint32_t esp_spiram_instruction_access_enabled();
instruction_use_spiram = esp_spiram_instruction_access_enabled();
#endif
#if CONFIG_SPIRAM_RODATA
extern uint32_t esp_spiram_rodata_access_enabled();
rodata_use_spiram = esp_spiram_rodata_access_enabled();
#endif
if (instruction_use_spiram) {
spiram_wrap_sizes[0] = icache_wrap_size;
} else {
flash_wrap_sizes[0] = icache_wrap_size;
}
if (rodata_use_spiram) {
if (Cache_Drom0_Using_ICache()) {
spiram_wrap_sizes[0] = icache_wrap_size;
} else {
spiram_wrap_sizes[1] = dcache_wrap_size;
}
#ifdef CONFIG_EXT_RODATA_SUPPORT
spiram_wrap_sizes[1] = dcache_wrap_size;
#endif
} else {
if (Cache_Drom0_Using_ICache()) {
flash_wrap_sizes[0] = icache_wrap_size;
} else {
flash_wrap_sizes[1] = dcache_wrap_size;
}
#ifdef CONFIG_EXT_RODATA_SUPPORT
flash_wrap_sizes[1] = dcache_wrap_size;
#endif
}
#ifdef CONFIG_ESP32S2_SPIRAM_SUPPORT
spiram_wrap_sizes[1] = dcache_wrap_size;
#endif
for (i = 0; i < 2; i++) {
if (flash_wrap_sizes[i] != -1) {
flash_count++;
flash_wrap_size = flash_wrap_sizes[i];
}
}
for (i = 0; i < 2; i++) {
if (spiram_wrap_sizes[i] != -1) {
spiram_count++;
spiram_wrap_size = spiram_wrap_sizes[i];
}
}
if (flash_count + spiram_count <= 2) {
flash_spiram_wrap_together = false;
} else {
flash_spiram_wrap_together = true;
}
ESP_EARLY_LOGI(TAG, "flash_count=%d, size=%d, spiram_count=%d, size=%d,together=%d", flash_count, flash_wrap_size, spiram_count, spiram_wrap_size, flash_spiram_wrap_together);
if (flash_count > 1 && flash_wrap_sizes[0] != flash_wrap_sizes[1]) {
ESP_EARLY_LOGW(TAG, "Flash wrap with different length %d and %d, abort wrap.", flash_wrap_sizes[0], flash_wrap_sizes[1]);
if (spiram_wrap_size == 0) {
return ESP_FAIL;
}
if (flash_spiram_wrap_together) {
ESP_EARLY_LOGE(TAG, "Abort spiram wrap because flash wrap length not fixed.");
return ESP_FAIL;
}
}
if (spiram_count > 1 && spiram_wrap_sizes[0] != spiram_wrap_sizes[1]) {
ESP_EARLY_LOGW(TAG, "SPIRAM wrap with different length %d and %d, abort wrap.", spiram_wrap_sizes[0], spiram_wrap_sizes[1]);
if (flash_wrap_size == 0) {
return ESP_FAIL;
}
if (flash_spiram_wrap_together) {
ESP_EARLY_LOGW(TAG, "Abort flash wrap because spiram wrap length not fixed.");
return ESP_FAIL;
}
}
if (flash_spiram_wrap_together && flash_wrap_size != spiram_wrap_size) {
ESP_EARLY_LOGW(TAG, "SPIRAM has different wrap length with flash, %d and %d, abort wrap.", spiram_wrap_size, flash_wrap_size);
return ESP_FAIL;
}
extern bool spi_flash_support_wrap_size(uint32_t wrap_size);
if (!spi_flash_support_wrap_size(flash_wrap_size)) {
flash_support_wrap = false;
ESP_EARLY_LOGW(TAG, "Flash do not support wrap size %d.", flash_wrap_size);
}
#ifdef CONFIG_ESP32S2_SPIRAM_SUPPORT
extern bool psram_support_wrap_size(uint32_t wrap_size);
if (!psram_support_wrap_size(spiram_wrap_size)) {
spiram_support_wrap = false;
ESP_EARLY_LOGW(TAG, "SPIRAM do not support wrap size %d.", spiram_wrap_size);
}
#endif
if (flash_spiram_wrap_together && !(flash_support_wrap && spiram_support_wrap)) {
ESP_EARLY_LOGW(TAG, "Flash and SPIRAM should support wrap together.");
return ESP_FAIL;
}
extern esp_err_t spi_flash_enable_wrap(uint32_t wrap_size);
if (flash_support_wrap && flash_wrap_size > 0) {
ESP_EARLY_LOGI(TAG, "Flash wrap enabled.");
spi_flash_enable_wrap(flash_wrap_size);
esp_enable_cache_flash_wrap((flash_wrap_sizes[0] > 0), (flash_wrap_sizes[1] > 0));
}
#if CONFIG_ESP32S2_SPIRAM_SUPPORT
extern esp_err_t psram_enable_wrap(uint32_t wrap_size);
if (spiram_support_wrap && spiram_wrap_size > 0) {
ESP_EARLY_LOGI(TAG, "SPIRAM wrap enabled.");
psram_enable_wrap(spiram_wrap_size);
esp_enable_cache_spiram_wrap((spiram_wrap_sizes[0] > 0), (spiram_wrap_sizes[1] > 0));
}
#endif
return ESP_OK;
}
#endif