diff --git a/payloads/libpayload/include/coreboot_tables.h b/payloads/libpayload/include/coreboot_tables.h
index 5b19ca8422..b43a558b49 100644
--- a/payloads/libpayload/include/coreboot_tables.h
+++ b/payloads/libpayload/include/coreboot_tables.h
@@ -306,7 +306,15 @@ struct cb_spi_flash {
 	uint32_t size;
 	uint32_t flash_size;
 	uint32_t sector_size;
-	uint32_t erase_cmd;
+	/*
+	 * Note: `erase_cmd` was previously a uint32_t. It's now uint8_t because only
+	 * the lowest byte was used, ensuring backward compatibility with older coreboot
+	 * tables and allowing reuse of the remaining bytes.
+	 */
+	uint8_t erase_cmd;
+#define CB_SPI_FLASH_FLAG_IN_4BYTE_ADDR_MODE    (1 << 0)
+	uint8_t flags;
+	uint16_t reserved;
 	/*
 	 * Number of mmap windows used by the platform to decode addresses between SPI flash
 	 * space and host address space. This determines the number of entries in mmap_table.
diff --git a/payloads/libpayload/include/sysinfo.h b/payloads/libpayload/include/sysinfo.h
index 2eb0da32dd..2db306eba9 100644
--- a/payloads/libpayload/include/sysinfo.h
+++ b/payloads/libpayload/include/sysinfo.h
@@ -135,7 +135,14 @@ struct sysinfo_t {
 	struct {
 		uint32_t size;
 		uint32_t sector_size;
-		uint32_t erase_cmd;
+		/*
+		 * Note: `erase_cmd` was previously a uint32_t. It's now uint8_t because only
+		 * the lowest byte was used, ensuring backward compatibility with older coreboot
+		 * tables and allowing reuse of the remaining bytes.
+		 */
+		uint8_t erase_cmd;
+		uint8_t flags;
+		uint16_t reserved;
 		uint32_t mmap_window_count;
 		struct flash_mmap_window mmap_table[SYSINFO_MAX_MMAP_WINDOWS];
 	} spi_flash;
diff --git a/payloads/libpayload/libc/coreboot.c b/payloads/libpayload/libc/coreboot.c
index 7a9f997054..2788f870be 100644
--- a/payloads/libpayload/libc/coreboot.c
+++ b/payloads/libpayload/libc/coreboot.c
@@ -177,6 +177,7 @@ static void cb_parse_spi_flash(void *ptr, struct sysinfo_t *info)
 	info->spi_flash.size = flash->flash_size;
 	info->spi_flash.sector_size = flash->sector_size;
 	info->spi_flash.erase_cmd = flash->erase_cmd;
+	info->spi_flash.flags = flash->flags;
 
 	if (flash->mmap_count == 0)
 		return;