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Init phy data to default if invalid in flash partition to avoid bootloops

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Signed-off-by: ronghulin <ronghulin@espressif.com>

Merges https://github.com/espressif/esp-idf/pull/6610
This commit is contained in:
0xFEEDC0DE64
2021-02-25 14:30:23 +01:00
committed by Jack
parent a70b8e0fb8
commit c846ed9a58
2 changed files with 37 additions and 2 deletions
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10
components/esp_wifi/Kconfig
View File

@@ -357,6 +357,16 @@ menu "PHY"
If unsure, choose 'n'.
config ESP32_PHY_DEFAULT_INIT_IF_INVALID
bool "Reset default PHY init data if invalid"
default n
depends on ESP32_PHY_INIT_DATA_IN_PARTITION
help
If enabled, PHY init data will be restored to default if
it cannot be verified successfully to avoid endless bootloops.
If unsure, choose 'n'.
if ESP32_PHY_INIT_DATA_IN_PARTITION
config ESP32_SUPPORT_MULTIPLE_PHY_INIT_DATA_BIN
bool "Support multiple PHY init data bin"

25
components/esp_wifi/src/phy_init.c
View File

@@ -421,6 +421,7 @@ const esp_phy_init_data_t* esp_phy_get_init_data(void)
ESP_LOGE(TAG, "failed to allocate memory for PHY init data");
return NULL;
}
// read phy data from flash
esp_err_t err = esp_partition_read(partition, 0, init_data_store, init_data_store_length);
if (err != ESP_OK) {
ESP_LOGE(TAG, "failed to read PHY data partition (0x%x)", err);
@@ -428,12 +429,36 @@ const esp_phy_init_data_t* esp_phy_get_init_data(void)
return NULL;
}
#endif
// verify data
if (memcmp(init_data_store, PHY_INIT_MAGIC, sizeof(phy_init_magic_pre)) != 0 ||
memcmp(init_data_store + init_data_store_length - sizeof(phy_init_magic_post),
PHY_INIT_MAGIC, sizeof(phy_init_magic_post)) != 0) {
#ifndef CONFIG_ESP32_PHY_DEFAULT_INIT_IF_INVALID
ESP_LOGE(TAG, "failed to validate PHY data partition");
free(init_data_store);
return NULL;
#else
ESP_LOGE(TAG, "failed to validate PHY data partition, restoring default data into flash...");
memcpy(init_data_store,
PHY_INIT_MAGIC, sizeof(phy_init_magic_pre));
memcpy(init_data_store + sizeof(phy_init_magic_pre),
&phy_init_data, sizeof(phy_init_data));
memcpy(init_data_store + sizeof(phy_init_magic_pre) + sizeof(phy_init_data),
PHY_INIT_MAGIC, sizeof(phy_init_magic_post));
assert(memcmp(init_data_store, PHY_INIT_MAGIC, sizeof(phy_init_magic_pre)) == 0);
assert(memcmp(init_data_store + init_data_store_length - sizeof(phy_init_magic_post),
PHY_INIT_MAGIC, sizeof(phy_init_magic_post)) == 0);
// write default data
err = esp_partition_write(partition, 0, init_data_store, init_data_store_length);
if (err != ESP_OK) {
ESP_LOGE(TAG, "failed to write default PHY data partition (0x%x)", err);
free(init_data_store);
return NULL;
}
#endif // CONFIG_ESP32_PHY_DEFAULT_INIT_IF_INVALID
}
#if CONFIG_ESP32_SUPPORT_MULTIPLE_PHY_INIT_DATA_BIN
if ((*(init_data_store + (sizeof(phy_init_magic_pre) + PHY_SUPPORT_MULTIPLE_BIN_OFFSET)))) {