Convert the following chips to use struct eraseblock

AMIC_A29002B
AMIC_A29002T
EN_29F002B
EN_29F002T
MBM29F004BC
MBM29F004TC
MBM29F400BC
MBM29F400TC
MX_25L3205
MX_25L6405
MX_29F002B
MX_29F002T

Add block erasers for m29f400bt and mx29f002.
Change programmer delays from 2 seconds to 10us in mx29f002 and am29f040b.

Corresponding to flashrom svn r819.

Signed-off-by: Sean Nelson <audiohacked@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
diff --git a/mx29f002.c b/mx29f002.c
index 7838c3d..411e539 100644
--- a/mx29f002.c
+++ b/mx29f002.c
@@ -43,6 +43,39 @@
 	return 0;
 }
 
+int erase_sector_29f002(struct flashchip *flash, unsigned int address, unsigned int blocklen)
+{
+	chipaddr bios = flash->virtual_memory;
+
+	chip_writeb(0xAA, bios + 0x555);
+	chip_writeb(0x55, bios + 0x2AA);
+	chip_writeb(0x80, bios + 0x555);
+	chip_writeb(0xAA, bios + 0x555);
+	chip_writeb(0x55, bios + 0x2AA);
+	chip_writeb(0x30, bios + address);
+
+	programmer_delay(10);
+
+	/* wait for Toggle bit ready         */
+	toggle_ready_jedec(bios + address);
+
+	if (check_erased_range(flash, address, blocklen)) {
+		fprintf(stderr, "ERASE FAILED!\n");
+		return -1;
+	}
+	return 0;
+}
+
+int erase_chip_29f002(struct flashchip *flash, unsigned int addr, unsigned int blocklen)
+{
+	if ((addr != 0) || (blocklen != flash->total_size * 1024)) {
+		fprintf(stderr, "%s called with incorrect arguments\n",
+			__func__);
+		return -1;
+	}
+	return erase_29f002(flash);
+}
+
 /* FIXME: Use erase_chip_jedec?
  * erase_29f002 uses shorter addresses, sends F0 (exit ID mode) and
  * and has a bigger delay before polling the toggle bit */