alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-10 04:43:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(psram): config SPI psram pins based on efuse value

Browse Source
This commit is contained in:
chenjianqiang
2019-05-07 16:36:37 +08:00
parent e8ade3c68d
commit db138ae19b
6 changed files with 232 additions and 151 deletions
Download Patch File Download Diff File Expand all files Collapse all files

256
components/esp32/spiram_psram.c
View File

@@ -28,6 +28,7 @@
#include "esp32/rom/spi_flash.h"
#include "esp32/rom/gpio.h"
#include "esp32/rom/cache.h"
#include "esp32/rom/efuse.h"
#include "soc/io_mux_reg.h"
#include "soc/dport_reg.h"
#include "soc/gpio_sig_map.h"
@@ -35,6 +36,7 @@
#include "driver/gpio.h"
#include "driver/spi_common.h"
#include "driver/periph_ctrl.h"
#include "bootloader_common.h"
#if CONFIG_ESP32_SPIRAM_SUPPORT
#include "soc/rtc.h"
@@ -94,43 +96,36 @@ typedef enum {
// WARNING: PSRAM shares all but the CS and CLK pins with the flash, so these defines
// hardcode the flash pins as well, making this code incompatible with either a setup
// that has the flash on non-standard pins or ESP32s with built-in flash.
#define FLASH_CLK_IO 6
#define FLASH_CLK_IO 6
#define FLASH_CS_IO 11
#define FLASH_SPIQ_SD0_IO 7
#define FLASH_SPID_SD1_IO 8
#define FLASH_SPIWP_SD3_IO 10
#define FLASH_SPIHD_SD2_IO 9
#define PSRAM_CLK_IO 17
#define PSRAM_CS_IO 16
#define PSRAM_SPIQ_SD0_IO 7
#define PSRAM_SPID_SD1_IO 8
#define PSRAM_SPIQ_SD0_IO 7
#define PSRAM_SPID_SD1_IO 8
#define PSRAM_SPIWP_SD3_IO 10
#define PSRAM_SPIHD_SD2_IO 9
#define PSRAM_SPIHD_SD2_IO 9
// IO-pins of ESP32-PICO-D4 for PSRAM. PSRAM share clock with flash.
// The CS IO can be overwrite via menuconfig.
#define PICO_FLASH_CLK_IO 6
#define PICO_FLASH_CS_IO 16
#define PICO_FLASH_SPIQ_SD0_IO 17
#define PICO_FLASH_SPID_SD1_IO 8
#define PICO_FLASH_SPIWP_SD3_IO 7
#define PICO_FLASH_SPIHD_SD2_IO 11
#define FLASH_HSPI_CLK_IO 14
#define FLASH_HSPI_CS_IO 15
#define PSRAM_HSPI_SPIQ_SD0_IO 12
#define PSRAM_HSPI_SPID_SD1_IO 13
#define PSRAM_HSPI_SPIWP_SD3_IO 2
#define PSRAM_HSPI_SPIHD_SD2_IO 4
#define PICO_PSRAM_CLK_IO 6
#define PICO_PSRAM_CS_IO CONFIG_SPIRAM_PICO_PSRAM_CS_IO
#define PICO_PSRAM_SPIQ_SD0_IO 17
#define PICO_PSRAM_SPID_SD1_IO 8
#define PICO_PSRAM_SPIWP_SD3_IO 7
#define PICO_PSRAM_SPIHD_SD2_IO 11
// PSRAM clock and cs IO should be configured based on hardware design.
// For ESP32-WROVER or ESP32-WROVER-B module, the clock IO is IO17, the cs IO is IO16,
// they are the default value for these two configs.
#define D0WD_PSRAM_CLK_IO CONFIG_D0WD_PSRAM_CLK_IO // Default value is 17
#define D0WD_PSRAM_CS_IO CONFIG_D0WD_PSRAM_CS_IO // Default value is 16
#define D2WD_PSRAM_CLK_IO CONFIG_D2WD_PSRAM_CLK_IO // Default value is 9
#define D2WD_PSRAM_CS_IO CONFIG_D2WD_PSRAM_CS_IO // Default value is 10
// For ESP32-PICO chip, the psram share clock with flash. The flash clock pin is fixed, which is IO6.
#define PICO_PSRAM_CLK_IO 6
#define PICO_PSRAM_CS_IO CONFIG_PICO_PSRAM_CS_IO // Default value is 10
typedef struct {
uint8_t flash_clk_io;
uint8_t flash_cs_io;
uint8_t flash_spiq_sd0_io;
uint8_t flash_spid_sd1_io;
uint8_t flash_spiwp_sd3_io;
uint8_t flash_spihd_sd2_io;
uint8_t psram_clk_io;
uint8_t psram_cs_io;
uint8_t psram_spiq_sd0_io;
@@ -491,7 +486,6 @@ void psram_set_cs_timing(psram_spi_num_t spi_num, psram_clk_mode_t clk_mode)
void IRAM_ATTR psram_spi_init(psram_spi_num_t spi_num, psram_cache_mode_t mode)
{
CLEAR_PERI_REG_MASK(SPI_SLAVE_REG(spi_num), SPI_TRANS_DONE << 5);
SET_PERI_REG_MASK(SPI_USER_REG(spi_num), SPI_CS_SETUP);
// SPI_CPOL & SPI_CPHA
CLEAR_PERI_REG_MASK(SPI_PIN_REG(spi_num), SPI_CK_IDLE_EDGE);
CLEAR_PERI_REG_MASK(SPI_USER_REG(spi_num), SPI_CK_OUT_EDGE);
@@ -508,11 +502,8 @@ void IRAM_ATTR psram_spi_init(psram_spi_num_t spi_num, psram_cache_mode_t mode)
psram_set_cs_timing(spi_num, s_clk_mode);
}
/*
* Psram mode init will overwrite original flash speed mode, so that it is possible to change psram and flash speed after OTA.
* Flash read mode(QIO/QOUT/DIO/DOUT) will not be changed in app bin. It is decided by bootloader, OTA can not change this mode.
*/
static void IRAM_ATTR psram_gpio_config(psram_io_t psram_io, psram_cache_mode_t mode)
//psram gpio init , different working frequency we have different solutions
static void IRAM_ATTR psram_gpio_config(psram_io_t *psram_io, psram_cache_mode_t mode)
{
int spi_cache_dummy = 0;
uint32_t rd_mode_reg = READ_PERI_REG(SPI_CTRL_REG(0));
@@ -523,17 +514,6 @@ static void IRAM_ATTR psram_gpio_config(psram_io_t psram_io, psram_cache_mode_t
} else {
spi_cache_dummy = SPI0_R_FAST_DUMMY_CYCLELEN;
}
// In bootloader, all the signals are already configured,
// We keep the following code in case the bootloader is some older version.
gpio_matrix_out(psram_io.flash_cs_io, SPICS0_OUT_IDX, 0, 0);
gpio_matrix_out(psram_io.psram_spiq_sd0_io, SPIQ_OUT_IDX, 0, 0);
gpio_matrix_in(psram_io.psram_spiq_sd0_io, SPIQ_IN_IDX, 0);
gpio_matrix_out(psram_io.psram_spid_sd1_io, SPID_OUT_IDX, 0, 0);
gpio_matrix_in(psram_io.psram_spid_sd1_io, SPID_IN_IDX, 0);
gpio_matrix_out(psram_io.psram_spiwp_sd3_io, SPIWP_OUT_IDX, 0, 0);
gpio_matrix_in(psram_io.psram_spiwp_sd3_io, SPIWP_IN_IDX, 0);
gpio_matrix_out(psram_io.psram_spihd_sd2_io, SPIHD_OUT_IDX, 0, 0);
gpio_matrix_in(psram_io.psram_spihd_sd2_io, SPIHD_IN_IDX, 0);
switch (mode) {
case PSRAM_CACHE_F80M_S40M:
@@ -544,8 +524,8 @@ static void IRAM_ATTR psram_gpio_config(psram_io_t psram_io, psram_cache_mode_t
esp_rom_spiflash_config_clk(_SPI_80M_CLK_DIV, _SPI_CACHE_PORT);
esp_rom_spiflash_config_clk(_SPI_40M_CLK_DIV, _SPI_FLASH_PORT);
//set drive ability for clock
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.flash_clk_io], FUN_DRV, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.psram_clk_io], FUN_DRV, 2, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->flash_clk_io], FUN_DRV, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->psram_clk_io], FUN_DRV, 2, FUN_DRV_S);
break;
case PSRAM_CACHE_F80M_S80M:
extra_dummy = PSRAM_IO_MATRIX_DUMMY_80M;
@@ -555,8 +535,8 @@ static void IRAM_ATTR psram_gpio_config(psram_io_t psram_io, psram_cache_mode_t
esp_rom_spiflash_config_clk(_SPI_80M_CLK_DIV, _SPI_CACHE_PORT);
esp_rom_spiflash_config_clk(_SPI_80M_CLK_DIV, _SPI_FLASH_PORT);
//set drive ability for clock
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.flash_clk_io], FUN_DRV, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.psram_clk_io], FUN_DRV, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->flash_clk_io], FUN_DRV, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->psram_clk_io], FUN_DRV, 3, FUN_DRV_S);
break;
case PSRAM_CACHE_F40M_S40M:
extra_dummy = PSRAM_IO_MATRIX_DUMMY_40M;
@@ -566,36 +546,54 @@ static void IRAM_ATTR psram_gpio_config(psram_io_t psram_io, psram_cache_mode_t
esp_rom_spiflash_config_clk(_SPI_40M_CLK_DIV, _SPI_CACHE_PORT);
esp_rom_spiflash_config_clk(_SPI_40M_CLK_DIV, _SPI_FLASH_PORT);
//set drive ability for clock
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.flash_clk_io], FUN_DRV, 2, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.psram_clk_io], FUN_DRV, 2, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->flash_clk_io], FUN_DRV, 2, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->psram_clk_io], FUN_DRV, 2, FUN_DRV_S);
break;
default:
break;
}
SET_PERI_REG_MASK(SPI_USER_REG(0), SPI_USR_DUMMY); // dummy en
SET_PERI_REG_MASK(SPI_USER_REG(0), SPI_USR_DUMMY); // dummy enable
// In bootloader, all the signals are already configured,
// We keep the following code in case the bootloader is some older version.
gpio_matrix_out(psram_io->flash_cs_io, SPICS0_OUT_IDX, 0, 0);
gpio_matrix_out(psram_io->psram_cs_io, SPICS1_OUT_IDX, 0, 0);
gpio_matrix_out(psram_io->psram_spiq_sd0_io, SPIQ_OUT_IDX, 0, 0);
gpio_matrix_in(psram_io->psram_spiq_sd0_io, SPIQ_IN_IDX, 0);
gpio_matrix_out(psram_io->psram_spid_sd1_io, SPID_OUT_IDX, 0, 0);
gpio_matrix_in(psram_io->psram_spid_sd1_io, SPID_IN_IDX, 0);
gpio_matrix_out(psram_io->psram_spiwp_sd3_io, SPIWP_OUT_IDX, 0, 0);
gpio_matrix_in(psram_io->psram_spiwp_sd3_io, SPIWP_IN_IDX, 0);
gpio_matrix_out(psram_io->psram_spihd_sd2_io, SPIHD_OUT_IDX, 0, 0);
gpio_matrix_in(psram_io->psram_spihd_sd2_io, SPIHD_IN_IDX, 0);
//select pin function gpio
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io.flash_spiq_sd0_io], PIN_FUNC_GPIO);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io.flash_spid_sd1_io], PIN_FUNC_GPIO);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io.flash_spihd_sd2_io], PIN_FUNC_GPIO);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io.flash_spiwp_sd3_io], PIN_FUNC_GPIO);
//flash clock signal should come from IO MUX.
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io.flash_clk_io], FUNC_SD_CLK_SPICLK);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io.flash_cs_io], PIN_FUNC_GPIO);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io.psram_cs_io], PIN_FUNC_GPIO);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io.psram_clk_io], PIN_FUNC_GPIO);
if ((psram_io->flash_clk_io == FLASH_CLK_IO) && (psram_io->flash_clk_io != psram_io->psram_clk_io)) {
//flash clock signal should come from IO MUX.
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io->flash_clk_io], FUNC_SD_CLK_SPICLK);
} else {
//flash clock signal should come from GPIO matrix.
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io->flash_clk_io], PIN_FUNC_GPIO);
}
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io->flash_cs_io], PIN_FUNC_GPIO);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io->psram_cs_io], PIN_FUNC_GPIO);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io->psram_clk_io], PIN_FUNC_GPIO);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io->psram_spiq_sd0_io], PIN_FUNC_GPIO);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io->psram_spid_sd1_io], PIN_FUNC_GPIO);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io->psram_spihd_sd2_io], PIN_FUNC_GPIO);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[psram_io->psram_spiwp_sd3_io], PIN_FUNC_GPIO);
uint32_t flash_id = g_rom_flashchip.device_id;
if (flash_id == FLASH_ID_GD25LQ32C) {
// Set drive ability for 1.8v flash in 80Mhz.
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.flash_spiq_sd0_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.flash_spid_sd1_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.flash_spihd_sd2_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.flash_spiwp_sd3_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.flash_cs_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.flash_clk_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.psram_cs_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io.psram_clk_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->flash_cs_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->flash_clk_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->psram_cs_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->psram_clk_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->psram_spiq_sd0_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->psram_spid_sd1_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->psram_spihd_sd2_io], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[psram_io->psram_spiwp_sd3_io], FUN_DRV_V, 3, FUN_DRV_S);
}
}
@@ -612,15 +610,24 @@ psram_size_t psram_get_size()
}
}
//psram gpio init , different working frequency we have different solutions
/*
* Psram mode init will overwrite original flash speed mode, so that it is possible to change psram and flash speed after OTA.
* Flash read mode(QIO/QOUT/DIO/DOUT) will not be changed in app bin. It is decided by bootloader, OTA can not change this mode.
*/
esp_err_t IRAM_ATTR psram_enable(psram_cache_mode_t mode, psram_vaddr_mode_t vaddrmode) //psram init
{
psram_io_t psram_io;
uint32_t chip_ver = REG_GET_FIELD(EFUSE_BLK0_RDATA3_REG, EFUSE_RD_CHIP_VER_PKG);
uint32_t pkg_ver = chip_ver & 0x7;
if (pkg_ver == EFUSE_RD_CHIP_VER_PKG_ESP32D2WDQ5) {
ESP_EARLY_LOGE(TAG, "ESP32D2WD do not support psram yet");
return ESP_FAIL;
ESP_EARLY_LOGI(TAG, "This chip is ESP32-D2WD");
rtc_vddsdio_config_t cfg = rtc_vddsdio_get_config();
if (cfg.tieh != RTC_VDDSDIO_TIEH_1_8V) {
ESP_EARLY_LOGE(TAG, "VDDSDIO is not 1.8V");
return ESP_FAIL;
}
psram_io.psram_clk_io = D2WD_PSRAM_CLK_IO;
psram_io.psram_cs_io = D2WD_PSRAM_CS_IO;
} else if ((pkg_ver == EFUSE_RD_CHIP_VER_PKG_ESP32PICOD2) || (pkg_ver == EFUSE_RD_CHIP_VER_PKG_ESP32PICOD4)) {
ESP_EARLY_LOGI(TAG, "This chip is ESP32-PICO");
rtc_vddsdio_config_t cfg = rtc_vddsdio_get_config();
@@ -628,36 +635,46 @@ esp_err_t IRAM_ATTR psram_enable(psram_cache_mode_t mode, psram_vaddr_mode_t vad
ESP_EARLY_LOGE(TAG, "VDDSDIO is not 3.3V");
return ESP_FAIL;
}
psram_io.flash_clk_io = PICO_FLASH_CLK_IO;
psram_io.flash_cs_io = PICO_FLASH_CS_IO;
psram_io.flash_spiq_sd0_io = PICO_FLASH_SPIQ_SD0_IO;
psram_io.flash_spid_sd1_io = PICO_FLASH_SPID_SD1_IO;
psram_io.flash_spiwp_sd3_io = PICO_FLASH_SPIWP_SD3_IO;
psram_io.flash_spihd_sd2_io = PICO_FLASH_SPIHD_SD2_IO;
psram_io.psram_clk_io = PICO_PSRAM_CLK_IO;
psram_io.psram_cs_io = PICO_PSRAM_CS_IO;
psram_io.psram_spiq_sd0_io = PICO_PSRAM_SPIQ_SD0_IO;
psram_io.psram_spid_sd1_io = PICO_PSRAM_SPID_SD1_IO;
psram_io.psram_spiwp_sd3_io = PICO_PSRAM_SPIWP_SD3_IO;
psram_io.psram_spihd_sd2_io = PICO_PSRAM_SPIHD_SD2_IO;
s_clk_mode = PSRAM_CLK_MODE_NORM;
} else {
psram_io.psram_clk_io = PICO_PSRAM_CLK_IO;
psram_io.psram_cs_io = PICO_PSRAM_CS_IO;
} else if ((pkg_ver == EFUSE_RD_CHIP_VER_PKG_ESP32D0WDQ6) || (pkg_ver == EFUSE_RD_CHIP_VER_PKG_ESP32D0WDQ5)){
ESP_EARLY_LOGI(TAG, "This chip is ESP32-D0WD");
psram_io.psram_clk_io = D0WD_PSRAM_CLK_IO;
psram_io.psram_cs_io = D0WD_PSRAM_CS_IO;
}
const uint32_t spiconfig = ets_efuse_get_spiconfig();
if (spiconfig == EFUSE_SPICONFIG_SPI_DEFAULTS) {
psram_io.flash_clk_io = FLASH_CLK_IO;
psram_io.flash_cs_io = FLASH_CS_IO;
psram_io.flash_spiq_sd0_io = FLASH_SPIQ_SD0_IO;
psram_io.flash_spid_sd1_io = FLASH_SPID_SD1_IO;
psram_io.flash_spiwp_sd3_io = FLASH_SPIWP_SD3_IO;
psram_io.flash_spihd_sd2_io = FLASH_SPIHD_SD2_IO;
psram_io.psram_clk_io = PSRAM_CLK_IO;
psram_io.psram_cs_io = PSRAM_CS_IO;
psram_io.psram_spiq_sd0_io = PSRAM_SPIQ_SD0_IO;
psram_io.psram_spid_sd1_io = PSRAM_SPID_SD1_IO;
psram_io.psram_spiwp_sd3_io = PSRAM_SPIWP_SD3_IO;
psram_io.psram_spihd_sd2_io = PSRAM_SPIHD_SD2_IO;
} else if (spiconfig == EFUSE_SPICONFIG_HSPI_DEFAULTS) {
psram_io.flash_clk_io = FLASH_HSPI_CLK_IO;
psram_io.flash_cs_io = FLASH_HSPI_CS_IO;
psram_io.psram_spiq_sd0_io = PSRAM_HSPI_SPIQ_SD0_IO;
psram_io.psram_spid_sd1_io = PSRAM_HSPI_SPID_SD1_IO;
psram_io.psram_spiwp_sd3_io = PSRAM_HSPI_SPIWP_SD3_IO;
psram_io.psram_spihd_sd2_io = PSRAM_HSPI_SPIHD_SD2_IO;
} else {
psram_io.flash_clk_io = EFUSE_SPICONFIG_RET_SPICLK(spiconfig);
psram_io.flash_cs_io = EFUSE_SPICONFIG_RET_SPICS0(spiconfig);
psram_io.psram_spiq_sd0_io = EFUSE_SPICONFIG_RET_SPIQ(spiconfig);
psram_io.psram_spid_sd1_io = EFUSE_SPICONFIG_RET_SPID(spiconfig);
psram_io.psram_spihd_sd2_io = EFUSE_SPICONFIG_RET_SPIHD(spiconfig);
// If flash mode is set to QIO or QOUT, the WP pin is equal the value configured in bootloader.
// If flash mode is set to DIO or DOUT, the WP pin should config it via menuconfig.
#if CONFIG_FLASHMODE_QIO || CONFIG_FLASHMODE_QOUT
psram_io.psram_spiwp_sd3_io = CONFIG_BOOTLOADER_SPI_WP_PIN;
#else
psram_io.psram_spiwp_sd3_io = CONFIG_SPIRAM_SPIWP_SD3_PIN;
#endif
}
WRITE_PERI_REG(GPIO_ENABLE_W1TC_REG, BIT(psram_io.psram_clk_io) | BIT(psram_io.psram_cs_io)); //DISABLE OUPUT FOR IO16/17
assert(mode < PSRAM_CACHE_MAX && "we don't support any other mode for now.");
s_psram_mode = mode;
@@ -666,7 +683,6 @@ esp_err_t IRAM_ATTR psram_enable(psram_cache_mode_t mode, psram_vaddr_mode_t vad
psram_spi_init(PSRAM_SPI_1, mode);
gpio_matrix_out(psram_io.psram_cs_io, SPICS1_OUT_IDX, 0, 0);
switch (mode) {
case PSRAM_CACHE_F80M_S80M:
gpio_matrix_out(psram_io.psram_clk_io, SPICLK_OUT_IDX, 0, 0);
@@ -691,25 +707,16 @@ esp_err_t IRAM_ATTR psram_enable(psram_cache_mode_t mode, psram_vaddr_mode_t vad
}
break;
}
#if CONFIG_BOOTLOADER_VDDSDIO_BOOST_1_9V
// For flash 80Mhz, we must update ldo voltage in case older version of bootloader didn't do this.
rtc_vddsdio_config_t cfg = rtc_vddsdio_get_config();
if (cfg.enable == 1 && cfg.tieh == RTC_VDDSDIO_TIEH_1_8V) { // VDDSDIO regulator is enabled @ 1.8V
cfg.drefh = 3;
cfg.drefm = 3;
cfg.drefl = 3;
cfg.force = 1;
rtc_vddsdio_set_config(cfg);
ets_delay_us(10); // wait for regulator to become stable
}
#endif
// Rise VDDSIO for 1.8V psram.
bootloader_common_vddsdio_configure();
// GPIO related settings
psram_gpio_config(psram_io, mode);
psram_gpio_config(&psram_io, mode);
psram_read_id(&s_psram_id);
if (!PSRAM_IS_VALID(s_psram_id)) {
return ESP_FAIL;
}
if (PSRAM_IS_32MBIT_VER0(s_psram_id)) {
s_clk_mode = PSRAM_CLK_MODE_DCLK;
if (mode == PSRAM_CACHE_F80M_S80M) {
@@ -776,42 +783,43 @@ static void IRAM_ATTR psram_cache_init(psram_cache_mode_t psram_cache_mode, psra
CLEAR_PERI_REG_MASK(SPI_DATE_REG(0), BIT(30)); //pre clk div
break;
}
SET_PERI_REG_MASK(SPI_CACHE_SCTRL_REG(0), SPI_CACHE_SRAM_USR_WCMD_M); // cache write command enable
SET_PERI_REG_BITS(SPI_CACHE_SCTRL_REG(0), SPI_SRAM_ADDR_BITLEN_V, 23, SPI_SRAM_ADDR_BITLEN_S); //write address for cache command.
SET_PERI_REG_MASK(SPI_CACHE_SCTRL_REG(0), SPI_USR_SRAM_QIO_M); //enable qio mode for cache command
CLEAR_PERI_REG_MASK(SPI_CACHE_SCTRL_REG(0), SPI_USR_SRAM_DIO_M); //disable dio mode for cache command
SET_PERI_REG_MASK(SPI_CACHE_SCTRL_REG(0), SPI_USR_RD_SRAM_DUMMY_M); //enable cache read dummy
SET_PERI_REG_MASK(SPI_CACHE_SCTRL_REG(0), SPI_CACHE_SRAM_USR_RCMD_M); //enable user mode for cache read command
CLEAR_PERI_REG_MASK(SPI_CACHE_SCTRL_REG(0), SPI_USR_SRAM_DIO_M); //disable dio mode for cache command
SET_PERI_REG_MASK(SPI_CACHE_SCTRL_REG(0), SPI_USR_SRAM_QIO_M); //enable qio mode for cache command
SET_PERI_REG_MASK(SPI_CACHE_SCTRL_REG(0), SPI_CACHE_SRAM_USR_RCMD_M); //enable cache read command
SET_PERI_REG_MASK(SPI_CACHE_SCTRL_REG(0), SPI_CACHE_SRAM_USR_WCMD_M); //enable cache write command
SET_PERI_REG_BITS(SPI_CACHE_SCTRL_REG(0), SPI_SRAM_ADDR_BITLEN_V, 23, SPI_SRAM_ADDR_BITLEN_S); //write address for cache command.
SET_PERI_REG_MASK(SPI_CACHE_SCTRL_REG(0), SPI_USR_RD_SRAM_DUMMY_M); //enable cache read dummy
//config sram cache r/w command
SET_PERI_REG_BITS(SPI_SRAM_DRD_CMD_REG(0), SPI_CACHE_SRAM_USR_RD_CMD_BITLEN_V, 7,
SPI_CACHE_SRAM_USR_RD_CMD_BITLEN_S);
SET_PERI_REG_BITS(SPI_SRAM_DRD_CMD_REG(0), SPI_CACHE_SRAM_USR_RD_CMD_VALUE_V, PSRAM_FAST_READ_QUAD,
SPI_CACHE_SRAM_USR_RD_CMD_VALUE_S); //0xEB
SET_PERI_REG_BITS(SPI_SRAM_DWR_CMD_REG(0), SPI_CACHE_SRAM_USR_WR_CMD_BITLEN, 7,
SPI_CACHE_SRAM_USR_WR_CMD_BITLEN_S);
SET_PERI_REG_BITS(SPI_SRAM_DWR_CMD_REG(0), SPI_CACHE_SRAM_USR_WR_CMD_VALUE, PSRAM_QUAD_WRITE,
SPI_CACHE_SRAM_USR_WR_CMD_VALUE_S); //0x38
SET_PERI_REG_BITS(SPI_SRAM_DRD_CMD_REG(0), SPI_CACHE_SRAM_USR_RD_CMD_BITLEN_V, 7,
SPI_CACHE_SRAM_USR_RD_CMD_BITLEN_S);
SET_PERI_REG_BITS(SPI_SRAM_DRD_CMD_REG(0), SPI_CACHE_SRAM_USR_RD_CMD_VALUE_V, PSRAM_FAST_READ_QUAD,
SPI_CACHE_SRAM_USR_RD_CMD_VALUE_S); //0x0b
SET_PERI_REG_BITS(SPI_CACHE_SCTRL_REG(0), SPI_SRAM_DUMMY_CYCLELEN_V, PSRAM_FAST_READ_QUAD_DUMMY + extra_dummy,
SPI_SRAM_DUMMY_CYCLELEN_S); //dummy, psram cache : 40m--+1dummy,80m--+2dummy
SPI_SRAM_DUMMY_CYCLELEN_S); //dummy, psram cache : 40m--+1dummy; 80m--+2dummy
//config sram cache r/w command
switch (psram_cache_mode) {
case PSRAM_CACHE_F80M_S80M: //in this mode , no delay is needed
break;
case PSRAM_CACHE_F80M_S40M: //is sram is @40M, need 2 cycles of delay
case PSRAM_CACHE_F80M_S40M: //if sram is @40M, need 2 cycles of delay
case PSRAM_CACHE_F40M_S40M:
default:
if (s_clk_mode == PSRAM_CLK_MODE_DCLK) {
SET_PERI_REG_BITS(SPI_SRAM_DRD_CMD_REG(0), SPI_CACHE_SRAM_USR_RD_CMD_BITLEN_V, 15,
SPI_CACHE_SRAM_USR_RD_CMD_BITLEN_S); //read command length, 2 bytes(1byte for delay),sending in qio mode in cache
SET_PERI_REG_BITS(SPI_SRAM_DRD_CMD_REG(0), SPI_CACHE_SRAM_USR_RD_CMD_VALUE_V, ((PSRAM_FAST_READ_QUAD) << 8),
SPI_CACHE_SRAM_USR_RD_CMD_VALUE_S); //0x0b, read command value,(0x00 for delay,0x0b for cmd)
SPI_CACHE_SRAM_USR_RD_CMD_VALUE_S); //0xEB, read command value,(0x00 for delay,0xeb for cmd)
SET_PERI_REG_BITS(SPI_SRAM_DWR_CMD_REG(0), SPI_CACHE_SRAM_USR_WR_CMD_BITLEN, 15,
SPI_CACHE_SRAM_USR_WR_CMD_BITLEN_S); //write command length,2 bytes(1byte for delay,send in qio mode in cache)
SET_PERI_REG_BITS(SPI_SRAM_DWR_CMD_REG(0), SPI_CACHE_SRAM_USR_WR_CMD_VALUE, ((PSRAM_QUAD_WRITE) << 8),
SPI_CACHE_SRAM_USR_WR_CMD_VALUE_S); //0x38, write command value,(0x00 for delay)
SET_PERI_REG_BITS(SPI_CACHE_SCTRL_REG(0), SPI_SRAM_DUMMY_CYCLELEN_V, PSRAM_FAST_READ_QUAD_DUMMY + extra_dummy,
SPI_SRAM_DUMMY_CYCLELEN_S); //dummy, psram cache : 40m--+1dummy,80m--+2dummy
SPI_SRAM_DUMMY_CYCLELEN_S); //dummy, psram cache : 40m--+1dummy; 80m--+2dummy
}
break;
}