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psram: fix 16mbit psram id read error

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This commit is contained in:
chenjianqiang 2020-06-05 21:06:21 +08:00 committed by bot
parent 91e435d662
commit cbf4d51ddb
2 changed files with 14 additions and 1 deletions
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6
components/esp32/spiram_psram.c
View File

@ -900,8 +900,14 @@ esp_err_t IRAM_ATTR psram_enable(psram_cache_mode_t mode, psram_vaddr_mode_t vad
bootloader_common_vddsdio_configure();
// GPIO related settings
psram_gpio_config(&psram_io, mode);
/* 16Mbit psram ID read error
* workaround: Issue a pre-condition of dummy read id, then Read ID command
*/
psram_read_id(&s_psram_id);
psram_read_id(&s_psram_id);
if (!PSRAM_IS_VALID(s_psram_id)) {
ESP_EARLY_LOGE(TAG, "PSRAM ID read error: 0x%08x", (uint32_t)s_psram_id);
return ESP_FAIL;
}

9
components/esp32s2beta/spiram_psram.c
View File

@ -40,6 +40,8 @@
#if CONFIG_SPIRAM
#include "soc/rtc.h"
static const char* TAG = "psram";
//Commands for PSRAM chip
#define PSRAM_READ 0x03
#define PSRAM_FAST_READ 0x0B
@ -99,7 +101,6 @@ typedef enum {
#define _SPI_40M_CLK_DIV 2
#define _SPI_20M_CLK_DIV 4
static const char* TAG = "psram";
typedef enum {
PSRAM_SPI_1 = 0x1,
PSRAM_SPI_2,
@ -752,8 +753,14 @@ esp_err_t IRAM_ATTR psram_enable(psram_cache_mode_t mode, psram_vaddr_mode_t vad
CLEAR_PERI_REG_MASK(SPI_MEM_USER_REG(PSRAM_SPI_1), SPI_MEM_CS_SETUP_M);
psram_gpio_config(mode);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[PSRAM_CS_IO], PIN_FUNC_GPIO);
/* 16Mbit psram ID read error
* workaround: Issue a pre-condition of dummy read id, then Read ID command
*/
psram_read_id(&s_psram_id);
psram_read_id(&s_psram_id);
if (!PSRAM_IS_VALID(s_psram_id)) {
ESP_EARLY_LOGE(TAG, "PSRAM ID read error: 0x%08x", s_psram_id);
return ESP_FAIL;
}
uint32_t flash_id = g_rom_flashchip.device_id;