added support for P25Q16H flash chip for xiao-ble target;

flash/devices.go

@@ -46,6 +46,8 @@ var DefaultDeviceIdentifier = DeviceIdentifierFunc(func(id JedecID) Attrs {
 		return GD25Q16C()
 	case 0xC84017:
 		return GD25Q64C()
+	case 0x856015:
+		return P25Q16H()
 	case 0xEF4014:
 		return W25Q80DV()
 	case 0xEF4015:
@@ -241,6 +243,24 @@ func GD25Q64C() Attrs {
 	}
 }
 
+// Settings for the Puya P25Q16H 2MiB SPI flash.
+// Datasheet: https://files.seeedstudio.com/wiki/github_weiruanexample/Flash_P25Q16H-UXH-IR_Datasheet.pdf
+func P25Q16H() Attrs {
+	return Attrs{
+		TotalSize:           1 << 21, // 2 MiB
+		StartUp:             5000 * time.Microsecond,
+		JedecID:             JedecID{0x85, 0x60, 0x15},
+		MaxClockSpeedMHz:    55,
+		QuadEnableBitMask:   0x02,
+		HasSectorProtection: true,
+		SupportsFastRead:    true,
+		SupportsQSPI:        true,
+		SupportsQSPIWrites:  true,
+		WriteStatusSplit:    true,
+		SingleStatusByte:    false,
+	}
+}
+
 // Settings for the Winbond W25Q16JV-IQ 2MiB SPI flash. Note that JV-IM has a
 // different .memory_type (0x70) Datasheet:
 // https://www.winbond.com/resource-files/w25q16jv%20spi%20revf%2005092017.pdf