Add support for Sanyo LE25FW406A

No datasheet available. Tested read, write and all erasers separately by
The Raven. He did also provide the patch but refused to sign it off.

Corresponding to flashrom svn r1796.
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>

flashchips.c

@@ -9038,6 +9038,37 @@ const struct flashchip flashchips[] = {
 		.voltage	= {3000, 3600},
 	},
 
+	{
+		.vendor		= "Sanyo",
+		.name		= "LE25FW406A",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= SANYO_ID,
+		.model_id	= SANYO_LE25FW406A,
+		.total_size	= 512,
+		.page_size	= 256,
+		.feature_bits	= FEATURE_WRSR_WREN,
+		.tested		= TEST_OK_PREW,
+		.probe		= probe_spi_res2,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {4 * 1024, 128} },
+				.block_erase = spi_block_erase_d7,
+			}, {
+				.eraseblocks = { {64 * 1024, 8} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { {512 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+				}
+			},
+		.printlock	= spi_prettyprint_status_register_plain,
+		.unlock		= spi_disable_blockprotect,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {2700, 3600},
+	},
+
 	{
 		.vendor		= "Sanyo",
 		.name		= "LE25FU406B",

flashchips.h

@@ -532,11 +532,12 @@
  * second byte is the device code,
  * third byte is a dummy byte.
  */
-#define SANYO_ID		0x62
+#define SANYO_ID		0x62    /* Sanyo */
 #define SANYO_LE25FW203A	0x1600
 #define SANYO_LE25FW403A	0x1100
 #define SANYO_LE25FW406		0x07	/* RES2 */
 #define SANYO_LE25FW418A	0x10	/* RES2 and some weird 1 byte RDID variant */
+#define SANYO_LE25FW406A	0x1A	/* RES2, no datasheet */
 #define SANYO_LE25FU406B	0x1E	/* LE25FW418A without HD_READ mode option variant */
 #define SANYO_LE25FW806		0x26	/* RES2 and some weird 1 byte RDID variant */
 #define SANYO_LE25FW808		0x20	/* RES2 and some weird 1 byte RDID variant */