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feat(psram): support fallback to use default driver pattern when id isn't match

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This commit is contained in:
armando
2025-06-20 09:38:43 +08:00
parent 0810436ff2
commit ef0699722c
1 changed files with 48 additions and 4 deletions
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52
components/esp_psram/esp32s3/esp_psram_impl_octal.c
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@@ -45,6 +45,7 @@
#define OCT_PSRAM_PAGE_SIZE 2 //2 for 1024B
#define OCT_PSRAM_ECC_ENABLE_MASK BIT(8)
#define OCT_PSRAM_REF_DATA 0x5a6b7c8d
typedef struct {
union {
@@ -223,6 +224,44 @@ static void s_get_psram_mode_reg(int spi_num, opi_psram_mode_reg_t *out_reg)
false);
}
/**
* Check if PSRAM is connected by write and read
*/
static esp_err_t s_check_psram_connected(int spi_num)
{
esp_rom_spiflash_read_mode_t mode = ESP_ROM_SPIFLASH_OPI_DTR_MODE;
int cmd_len = OCT_PSRAM_WR_CMD_BITLEN;
uint32_t addr = 0x0;
int addr_bit_len = OCT_PSRAM_ADDR_BITLEN;
uint32_t ref_data = OCT_PSRAM_REF_DATA;
uint32_t exp_data = 0;
int data_bit_len = 32;
//write
esp_rom_opiflash_exec_cmd(spi_num, mode,
OPI_PSRAM_SYNC_WRITE, cmd_len,
addr, addr_bit_len,
OCT_PSRAM_WR_DUMMY_BITLEN,
(uint8_t *)&ref_data, data_bit_len,
NULL, 0,
BIT(1),
false);
//read
esp_rom_opiflash_exec_cmd(spi_num, mode,
OPI_PSRAM_SYNC_READ, cmd_len,
addr, addr_bit_len,
OCT_PSRAM_RD_DUMMY_BITLEN,
NULL, 0,
(uint8_t *)&exp_data, data_bit_len,
BIT(1),
false);
ESP_EARLY_LOGD(TAG, "exp_data: 0x%08x", exp_data);
ESP_EARLY_LOGD(TAG, "ref_data: 0x%08x", ref_data);
return (exp_data == ref_data ? ESP_OK : ESP_FAIL);
}
static void s_print_psram_info(opi_psram_mode_reg_t *reg_val)
{
ESP_EARLY_LOGI(TAG, "vendor id : 0x%02x (%s)", reg_val->mr1.vendor_id, reg_val->mr1.vendor_id == 0x0d ? "AP" : (reg_val->mr1.vendor_id == 0x1a ? "UnilC" : "UNKNOWN"));
@@ -317,12 +356,17 @@ esp_err_t esp_psram_impl_enable(psram_vaddr_mode_t vaddrmode)
mode_reg.mr8.bl = 3;
mode_reg.mr8.bt = 0;
s_init_psram_mode_reg(1, &mode_reg);
//Print PSRAM info
s_get_psram_mode_reg(1, &mode_reg);
if (mode_reg.mr1.vendor_id != OCT_PSRAM_VENDOR_ID_AP && mode_reg.mr1.vendor_id != OCT_PSRAM_VENDOR_ID_UNILC) {
ESP_EARLY_LOGE(TAG, "PSRAM ID read error: 0x%08x, PSRAM chip not found or not supported, or wrong PSRAM line mode", mode_reg.mr1.vendor_id);
if (s_check_psram_connected(1) != ESP_OK) {
ESP_EARLY_LOGE(TAG, "PSRAM chip is not connected, or wrong PSRAM line mode");
return ESP_ERR_NOT_SUPPORTED;
}
s_get_psram_mode_reg(1, &mode_reg);
if (mode_reg.mr1.vendor_id != OCT_PSRAM_VENDOR_ID_AP && mode_reg.mr1.vendor_id != OCT_PSRAM_VENDOR_ID_UNILC) {
ESP_EARLY_LOGW(TAG, "PSRAM ID read error: 0x%08x, fallback to use default driver pattern", mode_reg.mr1.vendor_id);
}
s_print_psram_info(&mode_reg);
s_psram_size = mode_reg.mr2.density == 0x1 ? PSRAM_SIZE_4MB :
mode_reg.mr2.density == 0X3 ? PSRAM_SIZE_8MB :