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update cache config

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This commit is contained in:
duyi 2020-01-07 16:58:14 +08:00 committed by morris
parent a8d31b0385
commit 30a525aeb1
4 changed files with 29 additions and 80 deletions
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36
components/esp32s2beta/Kconfig
View file

@ -65,18 +65,6 @@ menu "ESP32S2-specific"
bool "16KB"
endchoice
choice ESP32S2_INSTRUCTION_CACHE_WAYS
prompt "Instruction cache associated ways"
default ESP32S2_INSTRUCTION_CACHE_8WAYS
help
Instruction cache associated ways to be set on application startup.
config ESP32S2_INSTRUCTION_CACHE_4WAYS
bool "4 ways"
config ESP32S2_INSTRUCTION_CACHE_8WAYS
bool "8 ways"
endchoice
choice ESP32S2_INSTRUCTION_CACHE_LINE_SIZE
prompt "Instruction cache line size"
default ESP32S2_INSTRUCTION_CACHE_LINE_32B
@ -87,8 +75,6 @@ menu "ESP32S2-specific"
bool "16 Bytes"
config ESP32S2_INSTRUCTION_CACHE_LINE_32B
bool "32 Bytes"
config ESP32S2_INSTRUCTION_CACHE_LINE_64B
bool "64 Bytes"
endchoice
choice ESP32S2_DATA_CACHE_SIZE
@ -107,18 +93,6 @@ menu "ESP32S2-specific"
bool "16KB"
endchoice
choice ESP32S2_DATA_CACHE_ASSOCIATED_WAYS
prompt "Data cache associated ways"
default ESP32S2_DATA_CACHE_8WAYS
help
Data cache associated ways to be set on application startup.
config ESP32S2_DATA_CACHE_4WAYS
bool "4 ways"
config ESP32S2_DATA_CACHE_8WAYS
bool "8 ways"
endchoice
choice ESP32S2_DATA_CACHE_LINE_SIZE
prompt "Data cache line size"
default ESP32S2_DATA_CACHE_LINE_32B
@ -129,18 +103,8 @@ menu "ESP32S2-specific"
bool "16 Bytes"
config ESP32S2_DATA_CACHE_LINE_32B
bool "32 Bytes"
config ESP32S2_DATA_CACHE_LINE_64B
bool "64 Bytes"
endchoice
config ESP32S2_RODATA_USE_DATA_CACHE
depends on ESP32S2_DATA_CACHE_8KB || ESP32S2_DATA_CACHE_16KB
bool "Use data cache rather than instruction cache to access read only data"
default "n"
help
If enabled, CPU will access rodata through data cache, which will reduce the overload
of instruction cache, however will increase the overload of data cache.
config ESP32S2_INSTRUCTION_CACHE_WRAP
bool "Enable instruction cache wrap"
default "n"

8
components/esp32s2beta/cpu_start.c
View file

@ -147,7 +147,7 @@ void IRAM_ATTR call_start_cpu0(void)
/* If we need use SPIRAM, we should use data cache, or if we want to access rodata, we also should use data cache.
Configure the mode of data : cache size, cache associated ways, cache line size.
Enable data cache, so if we don't use SPIRAM, it just works. */
#if CONFIG_SPIRAM_BOOT_INIT || CONFIG_ESP32S2_RODATA_USE_DATA_CACHE
#if CONFIG_SPIRAM_BOOT_INIT
extern void esp_config_data_cache_mode(void);
esp_config_data_cache_mode();
Cache_Enable_DCache(0);
@ -169,12 +169,6 @@ void IRAM_ATTR call_start_cpu0(void)
}
#endif
/* Start to use data cache to access rodata. */
#if CONFIG_ESP32S2_RODATA_USE_DATA_CACHE
extern void esp_switch_rodata_to_dcache(void);
esp_switch_rodata_to_dcache();
#endif
ESP_EARLY_LOGI(TAG, "Pro cpu up.");
ESP_EARLY_LOGI(TAG, "Single core mode");

51
components/spi_flash/cache_utils.c
View file

@ -326,11 +326,11 @@ 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 = (REG_GET_BIT(EXTMEM_PRO_ICACHE_CTRL_REG, EXTMEM_PRO_ICACHE_ENABLE) != 0);
#endif
#if portNUM_PROCESSORS == 2
result = result && (DPORT_REG_GET_BIT(DPORT_APP_CACHE_CTRL_REG, DPORT_APP_CACHE_ENABLE) != 0);
#endif
#elif CONFIG_IDF_TARGET_ESP32S2BETA
bool result = (REG_GET_BIT(EXTMEM_PRO_ICACHE_CTRL_REG, EXTMEM_PRO_ICACHE_ENABLE) != 0);
#endif
return result;
}
@ -352,12 +352,10 @@ IRAM_ATTR void esp_config_instruction_cache_mode(void)
cache_ways = CACHE_4WAYS_ASSOC;
#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;
cache_line_size = CACHE_LINE_SIZE_32B;
#endif
ESP_EARLY_LOGI(TAG, "Instruction cache: 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));
ESP_EARLY_LOGI(TAG, "Instruction cache \t: size %dKB, %dWays, cache line size %dByte", cache_size == CACHE_SIZE_8KB ? 8 : 16, 4, cache_line_size == CACHE_LINE_SIZE_16B ? 16 : 32);
Cache_Suspend_ICache();
Cache_Set_ICache_Mode(cache_size, cache_ways, cache_line_size);
Cache_Invalidate_ICache_All();
@ -391,21 +389,14 @@ IRAM_ATTR void esp_config_data_cache_mode(void)
cache_ways = CACHE_4WAYS_ASSOC;
#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;
cache_line_size = CACHE_LINE_SIZE_32B;
#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));
ESP_EARLY_LOGI(TAG, "Data cache \t\t: size %dKB, %dWays, cache line size %dByte", cache_size == CACHE_SIZE_8KB ? 8 : 16, 4, cache_line_size == CACHE_LINE_SIZE_16B ? 16 : 32);
Cache_Set_DCache_Mode(cache_size, cache_ways, cache_line_size);
Cache_Invalidate_DCache_All();
}
void esp_switch_rodata_to_dcache(void)
{
}
static IRAM_ATTR void esp_enable_cache_flash_wrap(bool icache, bool dcache)
{
uint32_t i_autoload, d_autoload;
@ -415,11 +406,7 @@ static IRAM_ATTR void esp_enable_cache_flash_wrap(bool icache, bool dcache)
if (dcache) {
d_autoload = Cache_Suspend_DCache();
}
#if CONFIG_IDF_TARGET_ESP32S2BETA
REG_SET_BIT(EXTMEM_PRO_CACHE_WRAP_AROUND_CTRL_REG, EXTMEM_PRO_CACHE_FLASH_WRAP_AROUND);
#else
REG_SET_BIT(DPORT_PRO_CACHE_WRAP_AROUND_CTRL_REG, DPORT_PRO_CACHE_FLASH_WRAP_AROUND);
#endif
if (icache) {
Cache_Resume_ICache(i_autoload);
}
@ -438,7 +425,7 @@ static IRAM_ATTR void esp_enable_cache_spiram_wrap(bool icache, bool dcache)
if (dcache) {
d_autoload = Cache_Suspend_DCache();
}
REG_SET_BIT(DPORT_PRO_CACHE_WRAP_AROUND_CTRL_REG, DPORT_PRO_CACHE_SRAM_RD_WRAP_AROUND);
REG_SET_BIT(EXTMEM_PRO_CACHE_WRAP_AROUND_CTRL_REG, EXTMEM_PRO_CACHE_SRAM_RD_WRAP_AROUND);
if (icache) {
Cache_Resume_ICache(i_autoload);
}
@ -456,27 +443,20 @@ esp_err_t esp_enable_cache_wrap(bool icache_wrap_enable, bool dcache_wrap_enable
int flash_count = 0, spiram_count = 0;
int i;
bool flash_spiram_wrap_together, flash_support_wrap = true, spiram_support_wrap = true;
#if CONFIG_IDF_TARGET_ESP32S2BETA
uint32_t drom0_in_icache = 1;//always 1 in esp32s2
#else
uint32_t drom0_in_icache = Cache_Drom0_Using_ICache();
#endif
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;
icache_wrap_size = 32;
#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;
dcache_wrap_size = 32;
#endif
}
@ -563,11 +543,16 @@ esp_err_t esp_enable_cache_wrap(bool icache_wrap_enable, bool dcache_wrap_enable
return ESP_FAIL;
}
#ifdef CONFIG_FLASHMODE_QIO
flash_support_wrap = true;
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);
}
#else
ESP_EARLY_LOGW(TAG, "Flash is not in QIO mode, do not support wrap.");
#endif
#ifdef CONFIG_ESP32S2_SPIRAM_SUPPORT
extern bool psram_support_wrap_size(uint32_t wrap_size);
@ -584,14 +569,14 @@ esp_err_t esp_enable_cache_wrap(bool icache_wrap_enable, bool dcache_wrap_enable
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.");
ESP_EARLY_LOGI(TAG, "Flash wrap enabled, size = %d.", flash_wrap_size);
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.");
ESP_EARLY_LOGI(TAG, "SPIRAM wrap enabled, size = %d.", spiram_wrap_size);
psram_enable_wrap(spiram_wrap_size);
esp_enable_cache_spiram_wrap((spiram_wrap_sizes[0] > 0), (spiram_wrap_sizes[1] > 0));
}

12
components/spi_flash/cache_utils.h
View file

@ -50,17 +50,23 @@ void spi_flash_disable_interrupts_caches_and_other_cpu_no_os(void);
// This function is implied to be called when other CPU is not running or running code from IRAM.
void spi_flash_enable_interrupts_caches_no_os(void);
// Flushes cache if address range has corresponding valid cache mappings
// Recommended to use post flash program operation (erase or write)
// Mark the pages containing a flash region as having been
// erased or written to. This means the flash cache needs
// to be evicted before these pages can be flash_mmap()ed again,
// as they may contain stale data
//
// Only call this while holding spi_flash_op_lock()
// Returns true if cache was flushed, false otherwise
bool spi_flash_check_and_flush_cache(uint32_t start_addr, uint32_t length);
//config cache mode
#ifdef CONFIG_IDF_TARGET_ESP32S2BETA
//config instrcutin cache size and cache block size by menuconfig
void esp_config_instruction_cache_mode(void);
//config data cache size and cache block size by menuconfig
void esp_config_data_cache_mode(void);
void esp_switch_rodata_to_dcache(void);
//enable cache wrap mode for instruction cache and data cache
esp_err_t esp_enable_cache_wrap(bool icache_wrap_enable, bool dcache_wrap_enable);
#endif