diff --git a/components/bootloader_support/bootloader_flash/src/bootloader_flash.c b/components/bootloader_support/bootloader_flash/src/bootloader_flash.c
index 3dbaa03f38..280d40d0c6 100644
--- a/components/bootloader_support/bootloader_flash/src/bootloader_flash.c
+++ b/components/bootloader_support/bootloader_flash/src/bootloader_flash.c
@@ -685,7 +685,8 @@ void bootloader_spi_flash_reset(void)
  ******************************************************************************/
 
 #define XMC_SUPPORT CONFIG_BOOTLOADER_FLASH_XMC_SUPPORT
-#define XMC_VENDOR_ID 0x20
+#define XMC_VENDOR_ID_1 0x20
+#define XMC_VENDOR_ID_2 0x46
 
 #if BOOTLOADER_BUILD
 #define BOOTLOADER_FLASH_LOG(level, ...)    ESP_EARLY_LOG##level(TAG, ##__VA_ARGS__)
@@ -702,7 +703,7 @@ static IRAM_ATTR bool is_xmc_chip_strict(uint32_t rdid)
     uint32_t mfid = BYTESHIFT(rdid, 1);
     uint32_t cpid = BYTESHIFT(rdid, 0);
 
-    if (vendor_id != XMC_VENDOR_ID) {
+    if (vendor_id != XMC_VENDOR_ID_1 && vendor_id != XMC_VENDOR_ID_2) {
         return false;
     }
 
@@ -735,7 +736,7 @@ esp_err_t IRAM_ATTR bootloader_flash_xmc_startup(void)
     // Check the Manufacturer ID in SFDP registers (JEDEC standard). If not XMC chip, no need to run the flow
     const int sfdp_mfid_addr = 0x10;
     uint8_t mf_id = (bootloader_flash_read_sfdp(sfdp_mfid_addr, 1) & 0xff);
-    if (mf_id != XMC_VENDOR_ID) {
+    if ((mf_id != XMC_VENDOR_ID_1) && (mf_id != XMC_VENDOR_ID_2)) {
         BOOTLOADER_FLASH_LOG(D, "non-XMC chip detected by SFDP Read (%02X), skip.", mf_id);
         return ESP_OK;
     }
@@ -767,7 +768,7 @@ esp_err_t IRAM_ATTR bootloader_flash_xmc_startup(void)
 static IRAM_ATTR bool is_xmc_chip(uint32_t rdid)
 {
     uint32_t vendor_id = (rdid >> 16) & 0xFF;
-    return (vendor_id == XMC_VENDOR_ID);
+    return ((vendor_id == XMC_VENDOR_ID_1) || (vendor_id == XMC_VENDOR_ID_2));
 }
 
 esp_err_t IRAM_ATTR bootloader_flash_xmc_startup(void)
diff --git a/components/spi_flash/flash_brownout_hook.c b/components/spi_flash/flash_brownout_hook.c
index 7d070c0b19..762b54028d 100644
--- a/components/spi_flash/flash_brownout_hook.c
+++ b/components/spi_flash/flash_brownout_hook.c
@@ -20,7 +20,7 @@ void spi_flash_needs_reset_check(void)
 {
     // Currently only XMC is suggested to reset when brownout
 #if CONFIG_SPI_FLASH_BROWNOUT_RESET_XMC
-    if ((g_rom_flashchip.device_id >> 16) == 0x20) {
+    if ((g_rom_flashchip.device_id >> 16) == 0x20 || (g_rom_flashchip.device_id >> 16) == 0x46) {
         flash_brownout_needs_reset = true;
     }
 #endif
diff --git a/components/spi_flash/spi_flash_hpm_enable.c b/components/spi_flash/spi_flash_hpm_enable.c
index 19c5daad59..36df967f5c 100644
--- a/components/spi_flash/spi_flash_hpm_enable.c
+++ b/components/spi_flash/spi_flash_hpm_enable.c
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2020-2024 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -115,7 +115,7 @@ static void spi_flash_enable_high_performance_send_cmd(void)
 {
     uint32_t dummy = 24;
     bootloader_flash_execute_command_common(CMD_HPMEN, 0, 0, dummy, 0, 0, 0);
-    // Delay for T(HPM) refering to datasheet.
+    // Delay for T(HPM) referring to datasheet.
     esp_rom_delay_us(20);
 }
 
@@ -150,6 +150,8 @@ static esp_err_t spi_flash_hpm_probe_chip_with_dummy(uint32_t flash_id)
     // XMC chips.
     case 0x204017:
     case 0x204018:
+    case 0x464017:
+    case 0x464018:
         break;
     // GD chips.
     case 0xC84017:
@@ -431,7 +433,7 @@ bool spi_flash_hpm_dummy_adjust(void)
 //-----------------------generic functions-------------------------------------//
 
 /**
- * @brief Default dummy for almost all flash chips. If your flash does't need to reconfigure dummy,
+ * @brief Default dummy for almost all flash chips. If your flash doesn't need to reconfigure dummy,
  *        just call this function.
  */
 void __attribute__((weak)) spi_flash_hpm_get_dummy_generic(spi_flash_hpm_dummy_conf_t *dummy_conf)