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bugfix(psram): fix psram driver

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1. remove use EID to distinguish psram voltage
2. 1V8 64Mbit psram and 3V3 64Mbit psram use the same psram driver(standard spi interface)
3. set cs hold time register as 1
This commit is contained in:
chenjianqiang 2018-09-27 17:00:48 +08:00
parent 6d253b4394
commit 8cfb0b207a
4 changed files with 13 additions and 74 deletions
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14
components/esp32/include/esp_spiram.h
View file

@ -21,26 +21,12 @@
#include <stdbool.h>
#include "esp_err.h"
typedef enum {
ESP_SPIRAM_VOLT_3V3 = 0, /*!< SPI RAM voltage is 3.3v */
ESP_SPIRAM_VOLT_1V8 = 1, /*!< SPI RAM voltage is 1.8v */
ESP_SPIRAM_VOLT_INVALID, /*!< SPI RAM voltage is invalid*/
} esp_spiram_volt_t;
typedef enum {
ESP_SPIRAM_SIZE_32MBITS = 0, /*!< SPI RAM size is 32 MBits */
ESP_SPIRAM_SIZE_64MBITS = 1, /*!< SPI RAM size is 64 MBits */
ESP_SPIRAM_SIZE_INVALID, /*!< SPI RAM size is invalid */
} esp_spiram_size_t;
/**
* @brief get SPI RAM voltage
* @return
* - ESP_SPIRAM_VOLT_INVALID if SPI RAM not enabled or not valid.
* - SPI RAM voltage
*/
esp_spiram_volt_t esp_spiram_get_chip_volt();
/**
* @brief get SPI RAM size
* @return

17
components/esp32/spiram.c
View file

@ -103,23 +103,6 @@ void IRAM_ATTR esp_spiram_init_cache()
#endif
}
esp_spiram_volt_t esp_spiram_get_chip_volt()
{
if (!spiram_inited) {
ESP_LOGE(TAG, "SPI RAM not initialized");
return ESP_SPIRAM_VOLT_INVALID;
}
psram_volt_t volt = psram_get_volt();
switch (volt) {
case PSRAM_VOLT_1V8:
return ESP_SPIRAM_VOLT_1V8;
case PSRAM_VOLT_3V3:
return ESP_SPIRAM_VOLT_3V3;
default:
return ESP_SPIRAM_VOLT_INVALID;
}
}
esp_spiram_size_t esp_spiram_get_chip_size()
{
if (!spiram_inited) {

42
components/esp32/spiram_psram.c
View file

@ -53,12 +53,6 @@
#define PSRAM_SET_BURST_LEN 0xC0
#define PSRAM_DEVICE_ID 0x9F
typedef enum {
PSRAM_EID_32MBIT_1V8 = 0x20, /*!< psram EID for 32MBit 1.8V */
PSRAM_EID_64MBIT_1V8 = 0x26, /*!< psram EID for 64MBit 1.8V */
PSRAM_EID_64MBIT_3V3 = 0x46, /*!< psram EID for 64MBit 3.3V */
} psram_type_t;
typedef enum {
PSRAM_CLK_MODE_NORM = 0, /*!< Normal SPI mode */
PSRAM_CLK_MODE_DCLK = 1, /*!< Two extra clock cycles after CS is set high level */
@ -73,10 +67,11 @@ typedef enum {
#define PSRAM_KGD(id) (((id) >> PSRAM_ID_KGD_S) & PSRAM_ID_KGD_M)
#define PSRAM_EID(id) (((id) >> PSRAM_ID_EID_S) & PSRAM_ID_EID_M)
#define PSRAM_IS_VALID(id) (PSRAM_KGD(id) == PSRAM_ID_KGD)
#define PSRAM_IS_1V8(id) ((PSRAM_EID(id) == PSRAM_EID_32MBIT_1V8) || (PSRAM_EID(id) == PSRAM_EID_64MBIT_1V8))
#define PSRAM_IS_3V3(id) (PSRAM_EID(id) == PSRAM_EID_64MBIT_3V3)
#define PSRAM_IS_64MBIT(id) ((PSRAM_EID(id) == PSRAM_EID_64MBIT_3V3) || (PSRAM_EID(id) == PSRAM_EID_64MBIT_1V8))
#define PSRAM_IS_32MBIT(id) (PSRAM_EID(id) == PSRAM_EID_32MBIT_1V8)
// PSRAM_EID = 0x26 or 0x4x ----> 64MBit psram
// PSRAM_EID = 0x20 ------------> 32MBit psram
#define PSRAM_IS_64MBIT(id) ((PSRAM_EID(id) == 0x26) || ((PSRAM_EID(id) & 0xf0) == 0x40))
#define PSRAM_IS_32MBIT_VER0(id) (PSRAM_EID(id) == 0x20)
// IO-pins for PSRAM. These need to be in the VDD_SIO power domain because all chips we
// currently support are 1.8V parts.
@ -503,20 +498,9 @@ static void IRAM_ATTR psram_gpio_config(psram_cache_mode_t mode)
PIN_FUNC_SELECT(PERIPHS_IO_MUX_SD_CLK_U, FUNC_SD_CLK_SPICLK);
}
psram_volt_t psram_get_volt()
{
if (PSRAM_IS_1V8(s_psram_id)) {
return PSRAM_VOLT_1V8;
} else if (PSRAM_IS_3V3(s_psram_id)) {
return PSRAM_VOLT_3V3;
} else {
return PSRAM_VOLT_MAX;
}
}
psram_size_t psram_get_size()
{
if (PSRAM_IS_32MBIT(s_psram_id)) {
if (PSRAM_IS_32MBIT_VER0(s_psram_id)) {
return PSRAM_SIZE_32MBITS;
} else if (PSRAM_IS_64MBIT(s_psram_id)) {
return PSRAM_SIZE_64MBITS;
@ -587,7 +571,7 @@ esp_err_t IRAM_ATTR psram_enable(psram_cache_mode_t mode, psram_vaddr_mode_t vad
return ESP_FAIL;
}
uint32_t flash_id = g_rom_flashchip.device_id;
if (flash_id == FLASH_ID_GD25LQ32C && PSRAM_IS_1V8(s_psram_id)) {
if (flash_id == FLASH_ID_GD25LQ32C) {
// Set drive ability for 1.8v flash in 80Mhz.
SET_PERI_REG_BITS(PERIPHS_IO_MUX_SD_DATA0_U, FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(PERIPHS_IO_MUX_SD_DATA1_U, FUN_DRV_V, 3, FUN_DRV_S);
@ -598,19 +582,19 @@ esp_err_t IRAM_ATTR psram_enable(psram_cache_mode_t mode, psram_vaddr_mode_t vad
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[PSRAM_CS_IO], FUN_DRV_V, 3, FUN_DRV_S);
SET_PERI_REG_BITS(GPIO_PIN_MUX_REG[PSRAM_CLK_IO], FUN_DRV_V, 3, FUN_DRV_S);
}
if (PSRAM_EID(s_psram_id) == PSRAM_EID_64MBIT_1V8) {
if (PSRAM_IS_64MBIT(s_psram_id)) {
// For this psram, we don't need any extra clock cycles after cs get back to high level
s_clk_mode = PSRAM_CLK_MODE_NORM;
gpio_matrix_out(PSRAM_INTERNAL_IO_28, SIG_GPIO_OUT_IDX, 0, 0);
gpio_matrix_out(PSRAM_INTERNAL_IO_29, SIG_GPIO_OUT_IDX, 0, 0);
gpio_matrix_out(PSRAM_CLK_IO, SPICLK_OUT_IDX, 0, 0);
} else if (PSRAM_EID(s_psram_id) == PSRAM_EID_32MBIT_1V8 || PSRAM_EID(s_psram_id) == PSRAM_EID_64MBIT_3V3) {
} else if (PSRAM_IS_32MBIT_VER0(s_psram_id)) {
s_clk_mode = PSRAM_CLK_MODE_DCLK;
if (mode == PSRAM_CACHE_F80M_S80M) {
/* note: If the third mode(80Mhz+80Mhz) is enabled for 32MBit 1V8 psram and 64MBit 3.3v psram,
VSPI port will be occupied by the system.
/* note: If the third mode(80Mhz+80Mhz) is enabled for 32MBit 1V8 psram, VSPI port will be
occupied by the system.
Application code should never touch VSPI hardware in this case. We try to stop applications
from doing this using the drivers by claiming the port for ourselves*/
from doing this using the drivers by claiming the port for ourselves */
periph_module_enable(PERIPH_VSPI_MODULE);
bool r=spicommon_periph_claim(VSPI_HOST);
if (!r) {
@ -725,7 +709,7 @@ static void IRAM_ATTR psram_cache_init(psram_cache_mode_t psram_cache_mode, psra
if (s_clk_mode == PSRAM_CLK_MODE_NORM) { //different
SET_PERI_REG_MASK(SPI_USER_REG(0), SPI_CS_HOLD);
// Set cs time.
SET_PERI_REG_BITS(SPI_CTRL2_REG(0), SPI_SETUP_TIME_V, 1, SPI_SETUP_TIME_S);
SET_PERI_REG_BITS(SPI_CTRL2_REG(0), SPI_HOLD_TIME_V, 1, SPI_HOLD_TIME_S);
}
}

14
components/esp32/spiram_psram.h
View file

@ -26,12 +26,6 @@ typedef enum {
PSRAM_CACHE_MAX,
} psram_cache_mode_t;
typedef enum {
PSRAM_VOLT_3V3 = 0,
PSRAM_VOLT_1V8 = 1,
PSRAM_VOLT_MAX,
} psram_volt_t;
typedef enum {
PSRAM_SIZE_32MBITS = 0,
PSRAM_SIZE_64MBITS = 1,
@ -52,14 +46,6 @@ typedef enum {
PSRAM_VADDR_MODE_EVENODD, ///< App and pro CPU share external RAM caches: pro CPU does even 32yte ranges, app does odd ones.
} psram_vaddr_mode_t;
/**
* @brief get psram voltage
* @return
* - PSRAM_VOLT_MAX if psram not enabled or not valid.
* - PSRAM voltage
*/
psram_volt_t psram_get_volt();
/**
* @brief get psram size
* @return