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make spiram work

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Du Ya Yuan 2020-01-09 10:33:40 +08:00 committed by morris
parent 30a525aeb1
commit 0ad7602efe
3 changed files with 32 additions and 85 deletions
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5
components/esp32s2beta/cpu_start.c
View File

@ -139,11 +139,6 @@ void IRAM_ATTR call_start_cpu0(void)
extern void esp_config_instruction_cache_mode(void);
esp_config_instruction_cache_mode();
/* copy MMU table from ICache to DCache, so we can use DCache to access rodata later. */
#if CONFIG_ESP32S2_RODATA_USE_DATA_CACHE
MMU_Drom0_I2D_Copy();
#endif
/* 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. */

103
components/esp32s2beta/spiram.c
View File

@ -33,6 +33,8 @@ we add more types of external RAM memory, this can be made into a more intellige
#include "soc/soc_memory_layout.h"
#include "soc/dport_reg.h"
#include "esp32s2beta/rom/cache.h"
#include "soc/cache_memory.h"
#include "soc/extmem_reg.h"
#define PSRAM_MODE PSRAM_VADDR_MODE_NORMAL
@ -122,45 +124,39 @@ void IRAM_ATTR esp_spiram_init_cache(void)
Cache_Suspend_DCache();
/* map the address from SPIRAM end to the start, map the address in order: DRAM1, DRAM1, DPORT, DBUS3 */
#if CONFIG_SPIRAM_SIZE <= DRAM0_ONLY_CACHE_SIZE
/* cache size <= 3MB + 576 KB, only map DRAM0 bus */
Cache_Dbus_MMU_Set(DPORT_MMU_ACCESS_SPIRAM, SPIRAM_SMALL_SIZE_MAP_VADDR, SPIRAM_SMALL_SIZE_MAP_PADDR, 64, SPIRAM_SMALL_SIZE_MAP_SIZE >> 16, 0);
REG_SET_BIT(DPORT_CACHE_SOURCE_1_REG, DPORT_PRO_CACHE_D_SOURCE_PRO_DRAM0);
REG_CLR_BIT(DPORT_PRO_DCACHE_CTRL1_REG, DPORT_PRO_DCACHE_MASK_DRAM0);
/* cache size <= 3MB + 512 KB, only map DRAM0 bus */
Cache_Dbus_MMU_Set(MMU_ACCESS_SPIRAM, SPIRAM_SMALL_SIZE_MAP_VADDR, SPIRAM_SMALL_SIZE_MAP_PADDR, 64, SPIRAM_SMALL_SIZE_MAP_SIZE >> 16, 0);
REG_CLR_BIT(EXTMEM_PRO_DCACHE_CTRL1_REG, EXTMEM_PRO_DCACHE_MASK_DRAM0);
#elif CONFIG_SPIRAM_SIZE <= DRAM0_DRAM1_CACHE_SIZE
/* cache size <= 7MB + 576KB, only map DRAM0 and DRAM1 bus */
Cache_Dbus_MMU_Set(DPORT_MMU_ACCESS_SPIRAM, SPIRAM_SMALL_SIZE_MAP_VADDR, SPIRAM_SMALL_SIZE_MAP_PADDR, 64, SPIRAM_SMALL_SIZE_MAP_SIZE >> 16, 0);
REG_SET_BIT(DPORT_CACHE_SOURCE_1_REG, DPORT_PRO_CACHE_D_SOURCE_PRO_DRAM0);
REG_CLR_BIT(DPORT_PRO_DCACHE_CTRL1_REG, DPORT_PRO_DCACHE_MASK_DRAM1 | DPORT_PRO_DCACHE_MASK_DRAM0);
/* cache size <= 7MB + 512KB, only map DRAM0 and DRAM1 bus */
Cache_Dbus_MMU_Set(MMU_ACCESS_SPIRAM, SPIRAM_SMALL_SIZE_MAP_VADDR, SPIRAM_SMALL_SIZE_MAP_PADDR, 64, SPIRAM_SMALL_SIZE_MAP_SIZE >> 16, 0);
REG_CLR_BIT(EXTMEM_PRO_DCACHE_CTRL1_REG, EXTMEM_PRO_DCACHE_MASK_DRAM1 | EXTMEM_PRO_DCACHE_MASK_DRAM0);
#elif CONFIG_SPIRAM_SIZE <= DRAM0_DRAM1_DPORT_CACHE_SIZE
/* cache size <= 10MB + 576KB, map DRAM0, DRAM1, DPORT bus */
Cache_Dbus_MMU_Set(DPORT_MMU_ACCESS_SPIRAM, SPIRAM_SMALL_SIZE_MAP_VADDR, SPIRAM_SMALL_SIZE_MAP_PADDR, 64, SPIRAM_SMALL_SIZE_MAP_SIZE >> 16, 0);
REG_SET_BIT(DPORT_CACHE_SOURCE_1_REG, DPORT_PRO_CACHE_D_SOURCE_PRO_DPORT | DPORT_PRO_CACHE_D_SOURCE_PRO_DRAM0);
REG_CLR_BIT(DPORT_PRO_DCACHE_CTRL1_REG, DPORT_PRO_DCACHE_MASK_DRAM1 | DPORT_PRO_DCACHE_MASK_DRAM0 | DPORT_PRO_DCACHE_MASK_DPORT);
/* cache size <= 10MB + 512KB, map DRAM0, DRAM1, DPORT bus */
Cache_Dbus_MMU_Set(MMU_ACCESS_SPIRAM, SPIRAM_SMALL_SIZE_MAP_VADDR, SPIRAM_SMALL_SIZE_MAP_PADDR, 64, SPIRAM_SMALL_SIZE_MAP_SIZE >> 16, 0);
REG_CLR_BIT(EXTMEM_PRO_DCACHE_CTRL1_REG, EXTMEM_PRO_DCACHE_MASK_DRAM1 | EXTMEM_PRO_DCACHE_MASK_DRAM0 | EXTMEM_PRO_DCACHE_MASK_DPORT);
#else
#if CONFIG_SPIRAM_USE_AHB_DBUS3
#if CONFIG_SPIRAM_USE_AHB_DBUS3// TODO Ready to remove this macro esp32s2 no AHB bus access cache
#if CONFIG_SPIRAM_SIZE <= DRAM0_DRAM1_DPORT_DBUS3_CACHE_SIZE
/* cache size <= 14MB + 576KB, map DRAM0, DRAM1, DPORT bus, as well as data bus3 */
Cache_Dbus_MMU_Set(DPORT_MMU_ACCESS_SPIRAM, SPIRAM_MID_SIZE_MAP_VADDR, SPIRAM_MID_SIZE_MAP_PADDR, 64, SPIRAM_MID_SIZE_MAP_SIZE >> 16, 0);
/* cache size <= 14MB + 512KB, map DRAM0, DRAM1, DPORT bus, as well as data bus3 */
Cache_Dbus_MMU_Set(MMU_ACCESS_SPIRAM, SPIRAM_MID_SIZE_MAP_VADDR, SPIRAM_MID_SIZE_MAP_PADDR, 64, SPIRAM_MID_SIZE_MAP_SIZE >> 16, 0);
#else
/* cache size > 14MB + 576KB, map DRAM0, DRAM1, DPORT bus, as well as data bus3 */
Cache_Dbus_MMU_Set(DPORT_MMU_ACCESS_SPIRAM, SPIRAM_BIG_SIZE_MAP_VADDR, SPIRAM_BIG_SIZE_MAP_PADDR, 64, SPIRAM_BIG_SIZE_MAP_SIZE >> 16, 0);
/* cache size > 14MB + 512KB, map DRAM0, DRAM1, DPORT bus, as well as data bus3 */
Cache_Dbus_MMU_Set(MMU_ACCESS_SPIRAM, SPIRAM_BIG_SIZE_MAP_VADDR, SPIRAM_BIG_SIZE_MAP_PADDR, 64, SPIRAM_BIG_SIZE_MAP_SIZE >> 16, 0);
#endif
Cache_Dbus_MMU_Set(DPORT_MMU_ACCESS_SPIRAM, SPIRAM_MID_BIG_SIZE_MAP_VADDR, SPIRAM_MID_BIG_SIZE_MAP_PADDR, 64, SPIRAM_MID_BIG_SIZE_MAP_SIZE >> 16, 0);
REG_SET_BIT(DPORT_CACHE_SOURCE_1_REG, DPORT_PRO_CACHE_D_SOURCE_PRO_DPORT | DPORT_PRO_CACHE_D_SOURCE_PRO_DRAM0);
REG_CLR_BIT(DPORT_CACHE_SOURCE_1_REG, DPORT_PRO_CACHE_D_SOURCE_PRO_DROM0);
REG_CLR_BIT(DPORT_PRO_DCACHE_CTRL1_REG, DPORT_PRO_DCACHE_MASK_DRAM1 | DPORT_PRO_DCACHE_MASK_DRAM0 | DPORT_PRO_DCACHE_MASK_DPORT | DPORT_PRO_DCACHE_MASK_BUS3);
Cache_Dbus_MMU_Set(MMU_ACCESS_SPIRAM, SPIRAM_MID_BIG_SIZE_MAP_VADDR, SPIRAM_MID_BIG_SIZE_MAP_PADDR, 64, SPIRAM_MID_BIG_SIZE_MAP_SIZE >> 16, 0);
REG_CLR_BIT(EXTMEM_PRO_DCACHE_CTRL1_REG, EXTMEM_PRO_DCACHE_MASK_DRAM1 | EXTMEM_PRO_DCACHE_MASK_DRAM0 | EXTMEM_PRO_DCACHE_MASK_DPORT | EXTMEM_PRO_DCACHE_MASK_BUS3);
#else
/* cache size > 10MB + 576KB, map DRAM0, DRAM1, DPORT bus , only remap 0x3f500000 ~ 0x3ff90000*/
Cache_Dbus_MMU_Set(DPORT_MMU_ACCESS_SPIRAM, SPIRAM_MID_BIG_SIZE_MAP_VADDR, SPIRAM_MID_BIG_SIZE_MAP_PADDR, 64, SPIRAM_MID_BIG_SIZE_MAP_SIZE >> 16, 0);
REG_SET_BIT(DPORT_CACHE_SOURCE_1_REG, DPORT_PRO_CACHE_D_SOURCE_PRO_DPORT | DPORT_PRO_CACHE_D_SOURCE_PRO_DRAM0);
REG_CLR_BIT(DPORT_PRO_DCACHE_CTRL1_REG, DPORT_PRO_DCACHE_MASK_DRAM1 | DPORT_PRO_DCACHE_MASK_DRAM0 | DPORT_PRO_DCACHE_MASK_DPORT);
/* cache size > 10MB + 512KB, map DRAM0, DRAM1, DPORT bus , only remap 0x3f500000 ~ 0x3ff90000*/
Cache_Dbus_MMU_Set(MMU_ACCESS_SPIRAM, SPIRAM_MID_BIG_SIZE_MAP_VADDR, SPIRAM_MID_BIG_SIZE_MAP_PADDR, 64, SPIRAM_MID_BIG_SIZE_MAP_SIZE >> 16, 0);
REG_CLR_BIT(EXTMEM_PRO_DCACHE_CTRL1_REG, EXTMEM_PRO_DCACHE_MASK_DRAM1 | EXTMEM_PRO_DCACHE_MASK_DRAM0 | EXTMEM_PRO_DCACHE_MASK_DPORT);
#endif
#endif
}
static uint32_t pages_for_flash = 0;
static uint32_t page0_mapped = 0;
static uint32_t page0_page = 0xffff;
static uint32_t page0_page = INVALID_PHY_PAGE;
static uint32_t instrcution_in_spiram = 0;
static uint32_t rodata_in_spiram = 0;
@ -179,7 +175,6 @@ esp_err_t esp_spiram_enable_instruction_access(void)
uint32_t pages_in_flash = 0;
pages_in_flash += Cache_Count_Flash_Pages(PRO_CACHE_IBUS0, &page0_mapped);
pages_in_flash += Cache_Count_Flash_Pages(PRO_CACHE_IBUS1, &page0_mapped);
pages_in_flash += Cache_Count_Flash_Pages(PRO_CACHE_IBUS2, &page0_mapped);
if ((pages_in_flash + pages_for_flash) > (CONFIG_SPIRAM_SIZE >> 16)) {
ESP_EARLY_LOGE(TAG, "SPI RAM space not enough for the instructions, has %d pages, need %d pages.", (CONFIG_SPIRAM_SIZE >> 16), (pages_in_flash + pages_for_flash));
return ESP_FAIL;
@ -187,7 +182,6 @@ esp_err_t esp_spiram_enable_instruction_access(void)
ESP_EARLY_LOGI(TAG, "Instructions copied and mapped to SPIRAM");
pages_for_flash = Cache_Flash_To_SPIRAM_Copy(PRO_CACHE_IBUS0, IRAM0_ADDRESS_LOW, pages_for_flash, &page0_page);
pages_for_flash = Cache_Flash_To_SPIRAM_Copy(PRO_CACHE_IBUS1, IRAM1_ADDRESS_LOW, pages_for_flash, &page0_page);
pages_for_flash = Cache_Flash_To_SPIRAM_Copy(PRO_CACHE_IBUS2, IROM0_ADDRESS_LOW, pages_for_flash, &page0_page);
instrcution_in_spiram = 1;
return ESP_OK;
}
@ -195,11 +189,7 @@ esp_err_t esp_spiram_enable_instruction_access(void)
esp_err_t esp_spiram_enable_rodata_access(void)
{
uint32_t pages_in_flash = 0;
if (Cache_Drom0_Using_ICache()) {
pages_in_flash += Cache_Count_Flash_Pages(PRO_CACHE_IBUS3, &page0_mapped);
} else {
pages_in_flash += Cache_Count_Flash_Pages(PRO_CACHE_DBUS3, &page0_mapped);
}
pages_in_flash += Cache_Count_Flash_Pages(PRO_CACHE_IBUS2, &page0_mapped);
pages_in_flash += Cache_Count_Flash_Pages(PRO_CACHE_DBUS0, &page0_mapped);
pages_in_flash += Cache_Count_Flash_Pages(PRO_CACHE_DBUS1, &page0_mapped);
pages_in_flash += Cache_Count_Flash_Pages(PRO_CACHE_DBUS2, &page0_mapped);
@ -210,11 +200,7 @@ esp_err_t esp_spiram_enable_rodata_access(void)
}
ESP_EARLY_LOGI(TAG, "Read only data copied and mapped to SPIRAM");
if (Cache_Drom0_Using_ICache()) {
pages_for_flash = Cache_Flash_To_SPIRAM_Copy(PRO_CACHE_IBUS3, DROM0_ADDRESS_LOW, pages_for_flash, &page0_page);
} else {
pages_for_flash = Cache_Flash_To_SPIRAM_Copy(PRO_CACHE_DBUS3, DROM0_ADDRESS_LOW, pages_for_flash, &page0_page);
}
pages_for_flash = Cache_Flash_To_SPIRAM_Copy(PRO_CACHE_IBUS2, DROM0_ADDRESS_LOW, pages_for_flash, &page0_page);
pages_for_flash = Cache_Flash_To_SPIRAM_Copy(PRO_CACHE_DBUS0, DRAM0_ADDRESS_LOW, pages_for_flash, &page0_page);
pages_for_flash = Cache_Flash_To_SPIRAM_Copy(PRO_CACHE_DBUS1, DRAM1_ADDRESS_LOW, pages_for_flash, &page0_page);
pages_for_flash = Cache_Flash_To_SPIRAM_Copy(PRO_CACHE_DBUS2, DPORT_ADDRESS_LOW, pages_for_flash, &page0_page);
@ -252,12 +238,12 @@ esp_err_t esp_spiram_add_to_heapalloc(void)
//no need to explicitly specify them.
#if CONFIG_SPIRAM_SIZE <= DRAM0_DRAM1_DPORT_CACHE_SIZE
/* cache size <= 10MB + 576KB, map DRAM0, DRAM1, DPORT bus */
/* cache size <= 10MB + 512KB, map DRAM0, DRAM1, DPORT bus */
return heap_caps_add_region((intptr_t)SPIRAM_SMALL_SIZE_MAP_VADDR + size_for_flash, (intptr_t)SPIRAM_SMALL_SIZE_MAP_VADDR + SPIRAM_SMALL_SIZE_MAP_SIZE -1);
#else
#if CONFIG_SPIRAM_USE_AHB_DBUS3
#if CONFIG_SPIRAM_USE_AHB_DBUS3 //TODO
#if CONFIG_SPIRAM_SIZE <= DRAM0_DRAM1_DPORT_DBUS3_CACHE_SIZE
/* cache size <= 14MB + 576KB, map DRAM0, DRAM1, DPORT bus, as well as data bus3 */
/* cache size <= 14MB + 512KB, map DRAM0, DRAM1, DPORT bus, as well as data bus3 */
if (size_for_flash <= SPIRAM_MID_SIZE_MAP_SIZE) {
esp_err_t err = heap_caps_add_region((intptr_t)SPIRAM_MID_SIZE_MAP_VADDR + size_for_flash, (intptr_t)SPIRAM_MID_SIZE_MAP_VADDR + SPIRAM_MID_SIZE_MAP_SIZE -1);
if (err) {
@ -285,7 +271,7 @@ esp_err_t esp_spiram_add_to_heapalloc(void)
}
#endif
#else
Cache_Dbus_MMU_Set(DPORT_MMU_ACCESS_SPIRAM, SPIRAM_MID_BIG_SIZE_MAP_VADDR, SPIRAM_MID_BIG_SIZE_MAP_PADDR, 64, SPIRAM_MID_BIG_SIZE_MAP_SIZE >> 16, 0);
Cache_Dbus_MMU_Set(MMU_ACCESS_SPIRAM, SPIRAM_MID_BIG_SIZE_MAP_VADDR, SPIRAM_MID_BIG_SIZE_MAP_PADDR, 64, SPIRAM_MID_BIG_SIZE_MAP_SIZE >> 16, 0);
if (size_for_flash <= SPIRAM_SIZE_EXC_DRAM0_DRAM1_DPORT) {
return heap_caps_add_region((intptr_t)SPIRAM_MID_BIG_SIZE_MAP_VADDR, (intptr_t)SPIRAM_MID_BIG_SIZE_MAP_VADDR + SPIRAM_MID_BIG_SIZE_MAP_SIZE -1);
} else {
@ -319,38 +305,9 @@ size_t esp_spiram_get_size(void)
void IRAM_ATTR esp_spiram_writeback_cache(void)
{
extern void Cache_WriteBack_All(void);
int cache_was_disabled=0;
if (!spiram_inited) return;
//We need cache enabled for this to work. Re-enable it if needed; make sure we
//disable it again on exit as well.
if (DPORT_REG_GET_BIT(DPORT_PRO_DCACHE_CTRL_REG, DPORT_PRO_DCACHE_ENABLE)==0) {
cache_was_disabled|=(1<<0);
DPORT_SET_PERI_REG_BITS(DPORT_PRO_DCACHE_CTRL_REG, 1, 1, DPORT_PRO_DCACHE_ENABLE_S);
}
#ifndef CONFIG_FREERTOS_UNICORE
if (DPORT_REG_GET_BIT(DPORT_APP_CACHE_CTRL_REG, DPORT_APP_CACHE_ENABLE)==0) {
cache_was_disabled|=(1<<1);
DPORT_SET_PERI_REG_BITS(DPORT_APP_CACHE_CTRL_REG, 1, 1, DPORT_APP_CACHE_ENABLE_S);
}
#endif
Cache_WriteBack_All();
if (cache_was_disabled&(1<<0)) {
#ifdef DPORT_CODE_COMPLETE
while (DPORT_GET_PERI_REG_BITS2(DPORT_PRO_DCACHE_DBUG2_REG, DPORT_PRO_CACHE_STATE, DPORT_PRO_CACHE_STATE_S) != 1) ;
#endif
DPORT_SET_PERI_REG_BITS(DPORT_PRO_DCACHE_CTRL_REG, 1, 0, DPORT_PRO_DCACHE_ENABLE_S);
}
#ifndef CONFIG_FREERTOS_UNICORE
if (cache_was_disabled&(1<<1)) {
while (DPORT_GET_PERI_REG_BITS2(DPORT_APP_DCACHE_DBUG2_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
}
#endif

9
components/esp32s2beta/spiram_psram.c
View File

@ -630,13 +630,6 @@ static void IRAM_ATTR psram_gpio_config(psram_cache_mode_t mode)
switch (mode) {
case PSRAM_CACHE_S40M:
extra_dummy = PSRAM_IO_MATRIX_DUMMY_40M;
#if CONFIG_ESPTOOLPY_FLASHFREQ_80M
g_rom_spiflash_dummy_len_plus[_SPI_CACHE_PORT] = PSRAM_IO_MATRIX_DUMMY_80M;
g_rom_spiflash_dummy_len_plus[_SPI_FLASH_PORT] = PSRAM_IO_MATRIX_DUMMY_40M;
SET_PERI_REG_BITS(SPI_MEM_USER1_REG(_SPI_CACHE_PORT), SPI_MEM_USR_DUMMY_CYCLELEN_V, spi_cache_dummy + PSRAM_IO_MATRIX_DUMMY_80M, SPI_MEM_USR_DUMMY_CYCLELEN_S); //DUMMY
esp_rom_spiflash_config_clk(_SPI_80M_CLK_DIV, _SPI_CACHE_PORT);
esp_rom_spiflash_config_clk(_SPI_40M_CLK_DIV, _SPI_FLASH_PORT);
#endif
break;
case PSRAM_CACHE_S80M:
extra_dummy = PSRAM_IO_MATRIX_DUMMY_80M;
@ -884,6 +877,8 @@ static void IRAM_ATTR psram_cache_init(psram_cache_mode_t psram_cache_mode, psra
SET_PERI_REG_MASK(SPI_MEM_USER_REG(0), SPI_MEM_CS_HOLD);
// Set cs time.
SET_PERI_REG_BITS(SPI_MEM_CTRL2_REG(0), SPI_MEM_CS_HOLD_TIME_V, 1, SPI_MEM_CS_HOLD_TIME_S);
} else {
CLEAR_PERI_REG_MASK(SPI_MEM_USER_REG(0), SPI_MEM_CS_HOLD | SPI_MEM_CS_SETUP);
}
}
#endif // CONFIG_SPIRAM