cfi: add EN29LV800BB support

Posted by telekatz@gmx.de in the bettyhacks forum for openocd
0.4.0 and integrated into 0.5.0 by Gunnar Henne.

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>

src/flash/nor/cfi.c

@@ -72,6 +72,7 @@ static const struct cfi_fixup cfi_0002_fixups[] = {
 	{CFI_MFR_FUJITSU, 0x226b, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
 	{CFI_MFR_AMIC, 0xb31a, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_555_2AA]},
 	{CFI_MFR_MX, 0x225b, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_555_2AA]},
+	{CFI_MFR_EON, 0x225b, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_555_2AA]},
 	{CFI_MFR_AMD, 0x225b, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_555_2AA]},
 	{CFI_MFR_ANY, CFI_ID_ANY, cfi_fixup_0002_erase_regions, NULL},
 	{CFI_MFR_ST, 0x227E, cfi_fixup_0002_write_buffer, NULL}, /* M29W128G */

src/flash/nor/cfi.h

@@ -161,6 +161,7 @@ struct cfi_fixup
 #define CFI_MFR_AMIC	0x0037
 #define CFI_MFR_SST		0x00BF
 #define CFI_MFR_MX		0x00C2
+#define CFI_MFR_EON		0x007F
 
 #define CFI_MFR_ANY		0xffff
 #define CFI_ID_ANY		0xffff

src/flash/nor/non_cfi.c

@@ -411,6 +411,23 @@ static struct non_cfi non_cfi_flashes[] = {
 			ERASE_REGION(1, 16*KB)
 		}
 	},
+	{
+		.mfr = CFI_MFR_EON,
+		.id = 0x225b,				/* EN29LV800BB */
+		.pri_id = 0x02,
+		.dev_size = 1*MB,
+		.interface_desc = 0x2,		/* x8 or x16 device with nBYTE */
+		.max_buf_write_size = 0x0,
+		.status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
+		.num_erase_regions = 4,
+		.erase_region_info =
+		{
+			ERASE_REGION(1, 16*KB),
+			ERASE_REGION(2,  8*KB),
+			ERASE_REGION(1, 32*KB),
+			ERASE_REGION(15, 64*KB)
+		}
+	},
 	{
 		.mfr = CFI_MFR_ATMEL,
 		.id = 0x00c0,				/* Atmel 49BV1614 */