diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c
index 9e99107b42..0b94af3653 100644
--- a/hw/block/m25p80.c
+++ b/hw/block/m25p80.c
@@ -357,6 +357,9 @@ static const FlashPartInfo known_devices[] = {
       .sfdp_read = m25p80_sfdp_w25q512jv },
     { INFO("w25q01jvq",   0xef4021,      0,  64 << 10, 2048, ER_4K),
       .sfdp_read = m25p80_sfdp_w25q01jvq },
+
+    /* Microchip */
+    { INFO("25csm04",      0x29cc00,      0x100,  64 << 10,  8, 0) },
 };
 
 typedef enum {